First appointment fixes.

Erstkontakt.
Ansprechpartner Medizintechnik:
2026-10-21 08:31:00 +02:00 · 2026-10-20 18:19:06 +02:00 · 2026-10-20 17:50:04 +02:00 · 2026-10-20 12:42:38 +02:00 · 2026-10-20 12:02:30 +02:00 · 2026-10-20 11:11:04 +02:00
26 changed files with 924 additions and 343 deletions
@@ -2,11 +2,44 @@ Options +FollowSymLinks

 RewriteEngine on

+# Redirect duplicate homepage URLs (/main.html and /index.php) to canonical root /
+RewriteRule ^main\.html$ / [R=301,L]
+RewriteCond %{THE_REQUEST} \s/+index\.php[\s?] [NC]
+RewriteCond %{QUERY_STRING} ^$
+RewriteRule ^index\.php$ / [R=301,L]
+
+# Clean URL routing for .html pages
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{QUERY_STRING} ([a-zA-Z0-9-_.=&+%]*)
 RewriteRule ^([0-9a-zA-Z\-]+).html$ index.php?action=$1&%1 [L]

+# Custom 404 handler
+ErrorDocument 404 /index.php?action=404
+
+# Advertise HTTP/3 (h3) support via Alt-Svc header
+<IfModule mod_headers.c>
+    Header setIfEmpty Alt-Svc "h3=\":443\"; ma=86400"
+</IfModule>
+
+# Gzip / Deflate Compression for Core Web Vitals & PageSpeed
+<IfModule mod_deflate.c>
+    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css application/xml application/xhtml+xml application/rss+xml application/javascript application/x-javascript application/ld+json image/svg+xml
+</IfModule>
+
+# Browser Caching for Static Assets
+<IfModule mod_expires.c>
+    ExpiresActive On
+    ExpiresByType image/jpeg "access plus 1 month"
+    ExpiresByType image/png "access plus 1 month"
+    ExpiresByType image/gif "access plus 1 month"
+    ExpiresByType image/x-icon "access plus 1 month"
+    ExpiresByType image/svg+xml "access plus 1 month"
+    ExpiresByType text/css "access plus 1 month"
+    ExpiresByType application/javascript "access plus 1 month"
+    ExpiresByType application/pdf "access plus 7 days"
+    ExpiresByType font/ttf "access plus 1 year"
+</IfModule>
+
 <Files .htaccess>
-    order allow,deny
-    deny from all
+    Require all denied
 </Files>
@@ -4,9 +4,9 @@ FROM php:8.5-apache-trixie
 RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" \
    && printf "date.timezone = Europe/Berlin\nexpose_php = Off\nsession.cookie_httponly = 1\nsession.use_strict_mode = 1\n" > "$PHP_INI_DIR/conf.d/99-custom.ini"

-# Enable Apache modules and harden server signature
-RUN a2enmod rewrite headers expires deflate \
-    && printf "ServerTokens Prod\nServerSignature Off\n" > /etc/apache2/conf-available/security-hardening.conf \
+# Enable Apache modules (including HTTP/2) and harden server signature
+RUN a2enmod rewrite headers expires deflate http2 \
+    && printf "ServerTokens Prod\nServerSignature Off\nProtocols h2 h2c http/1.1\n" > /etc/apache2/conf-available/security-hardening.conf \
    && a2enconf security-hardening

 # Copy application code
@@ -18,7 +18,7 @@
  --primary-light: #e6f4f8;
  --primary-hover: #0e6285;
  
-  --accent: #0284c7;
+  --accent: #0277b5;
  --accent-hover: #0369a1;
  --accent-light: #e0f2fe;
  --accent-dark: #075985;
@@ -32,21 +32,21 @@
  --bg-alt: #f1f5f9;
  
  --text-main: #1e293b;
-  --text-muted: #64748b;
+  --text-muted: #475569;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  --border: #e2e8f0;
-  --border-focus: #0284c7;
+  --border-focus: #0277b5;
  
  /* State Colors */
-  --success: #16a34a;
+  --success: #166534;
  --success-bg: #dcfce7;
  --success-border: #86efac;
-  --danger: #dc2626;
+  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --danger-border: #fca5a5;
-  --warning: #d97706;
+  --warning: #b45309;
  --warning-bg: #fef3c7;
  
  /* Shadows */
@@ -113,6 +113,59 @@ a:hover {
  text-decoration: underline;
 }

+/* Accessibility: Skip Link & Screen-Reader Utility */
+.skip-link {
+  position: absolute;
+  top: -100px;
+  left: 1rem;
+  z-index: 9999;
+  background-color: var(--primary-dark);
+  color: #ffffff;
+  padding: 0.75rem 1.25rem;
+  border-radius: var(--radius-md);
+  font-weight: 700;
+  box-shadow: var(--shadow-lg);
+  border: 2px solid #ffffff;
+  text-decoration: none;
+}
+
+.skip-link:focus {
+  top: 0.75rem;
+  color: #ffffff;
+  outline: 3px solid var(--accent-light);
+  outline-offset: 2px;
+}
+
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+/* Accessibility: Keyboard Focus Visible */
+a:focus-visible,
+button:focus-visible,
+.btn:focus-visible,
+.nav-link:focus-visible,
+.nav-toggle:focus-visible,
+.gallery-item:focus-visible {
+  outline: 3px solid var(--accent);
+  outline-offset: 2px;
+}
+
+.top-bar a:focus-visible,
+.site-footer a:focus-visible,
+.hero-banner .btn:focus-visible {
+  outline: 3px solid #bae6fd;
+  outline-offset: 2px;
+}
+
 p {
  margin-bottom: 1.15rem;
 }
@@ -128,15 +181,18 @@ h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
 }

-h1 {
+h1,
+.h1-style {
  font-size: 2rem;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 0.75rem;
+  margin-top: 0;
  margin-bottom: 1.5rem;
 }

-h1::after {
+h1::after,
+.h1-style::after {
  content: '';
  position: absolute;
  bottom: 0;
@@ -975,7 +1031,8 @@ li {
  transition: var(--transition);
 }

-.gallery-item:hover .gallery-overlay {
+.gallery-item:hover .gallery-overlay,
+.gallery-item:focus-visible .gallery-overlay {
  opacity: 1;
 }

@@ -1002,7 +1059,8 @@ li {
  transition: var(--transition);
 }

-.gallery-item:hover .gallery-zoom-icon {
+.gallery-item:hover .gallery-zoom-icon,
+.gallery-item:focus-visible .gallery-zoom-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
 }
@@ -1461,7 +1519,7 @@ textarea.form-control {
 .footer-bottom {
  padding: 1.5rem 0;
  font-size: 0.85rem;
-  color: #64748b;
+  color: #94a3b8;
  display: flex;
  justify-content: space-between;
  align-items: center;
@@ -1470,7 +1528,7 @@ textarea.form-control {
 }

 .footer-bottom a {
-  color: #94a3b8;
+  color: #cbd5e1;
  margin-left: 1rem;
 }

@@ -1779,4 +1837,30 @@ h1, h2, h3, h4, p, li, .card, .location-card, .contact-detail-value, .btn {
  .form-actions .btn {
    width: 100%;
  }
+}
+
+/* ==========================================================================
+   Reduced Motion Preference (WCAG 2.3.3)
+   ========================================================================== */
+@media (prefers-reduced-motion: reduce) {
+  html {
+    scroll-behavior: auto;
+  }
+
+  *,
+  *::before,
+  *::after {
+    animation-duration: 0.01ms !important;
+    animation-iteration-count: 1 !important;
+    transition-duration: 0.01ms !important;
+    scroll-behavior: auto !important;
+  }
+
+  .gallery-item:hover img,
+  .gallery-item:hover,
+  .feature-box:hover,
+  .btn:hover,
+  .header-cta-btn:hover {
+    transform: none !important;
+  }
 }
@@ -19,8 +19,8 @@
    font-family: 'Open Sans', Arial, Helvetica, sans-serif;
    color: #1e293b;
    background: #ffffff;
-    line-height: 1.36;
-    font-size: 8.2pt;
+    line-height: 1.45;
+    font-size: 9pt;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
@@ -29,7 +29,7 @@
    width: 210mm;
    height: 297mm;
    position: relative;
-    padding: 9mm 11.5mm 8.5mm;
+    padding: 9.5mm 11.5mm 8.5mm;
    overflow: hidden;
    display: flex;
    flex-direction: column;
@@ -40,9 +40,9 @@
    display: flex;
    justify-content: space-between;
    align-items: center;
-    padding-bottom: 2.5mm;
+    padding-bottom: 3mm;
    border-bottom: 2px solid #0284c7;
-    margin-bottom: 3mm;
+    margin-bottom: 3.5mm;
  }

  .brand {
@@ -50,29 +50,54 @@
    align-items: center;
  }

+  .header-right {
+    display: flex;
+    align-items: center;
+    gap: 3.2mm;
+  }
+
  .header-contact {
    text-align: right;
-    font-size: 8pt;
+    font-size: 8.8pt;
    color: #07384d;
-    line-height: 1.35;
+    line-height: 1.42;
  }

  .header-contact strong {
    color: #07384d;
  }

-  .header-contact .email-link {
+  .header-contact .web-link {
    color: #0284c7;
    font-weight: 700;
  }

+  .header-qr-box {
+    width: 15.5mm;
+    height: 15.5mm;
+    padding: 1.1mm;
+    background: #ffffff;
+    border: 1px solid #cbd5e1;
+    border-radius: 4px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+  }
+
+  .header-qr {
+    width: 100%;
+    height: 100%;
+    display: block;
+  }
+
  /* Motto Banner */
  .motto-banner {
    background: linear-gradient(135deg, #07384d 0%, #0b4f6c 100%);
    color: #ffffff;
    border-radius: 6px;
-    padding: 2.8mm 4.2mm;
-    margin-bottom: 3mm;
+    padding: 3.2mm 4.5mm;
+    margin-bottom: 3.5mm;
    display: flex;
    justify-content: space-between;
    align-items: center;
@@ -80,7 +105,7 @@
  }

  .motto-text {
-    font-size: 9.6pt;
+    font-size: 10.2pt;
    font-weight: 700;
    font-style: italic;
    color: #f0f9ff;
@@ -88,7 +113,7 @@
  }

  .motto-sub {
-    font-size: 7.4pt;
+    font-size: 8pt;
    color: #bae6fd;
    white-space: nowrap;
    font-weight: 600;
@@ -98,8 +123,8 @@
  .physicians-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
-    gap: 3mm;
-    margin-bottom: 3.2mm;
+    gap: 3.4mm;
+    margin-bottom: 3.6mm;
  }

  .physician-card {
@@ -107,43 +132,38 @@
    border: 1px solid #e2e8f0;
    border-left: 3.5px solid #0284c7;
    border-radius: 6px;
-    padding: 2.4mm 3mm;
+    padding: 3mm 3.4mm;
  }

  .physician-name {
-    font-size: 8.8pt;
+    font-size: 9.4pt;
    font-weight: 700;
    color: #07384d;
-    line-height: 1.22;
+    line-height: 1.25;
  }

  .physician-role {
-    font-size: 7.3pt;
+    font-size: 7.2pt;
    font-weight: 600;
    color: #0284c7;
-    margin-top: 0.5mm;
-    line-height: 1.22;
-  }
-
-  .physician-meta {
-    font-size: 6.7pt;
-    color: #64748b;
    margin-top: 0.8mm;
+    line-height: 1.3;
+    white-space: nowrap;
  }

  /* Main 2-Column Content Grid */
  .content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
-    gap: 3.6mm;
+    gap: 3.8mm;
    flex: 1;
-    margin-bottom: 3.2mm;
+    margin-bottom: 3.5mm;
  }

  .col-stack {
    display: flex;
    flex-direction: column;
-    gap: 3mm;
+    gap: 3.5mm;
    height: 100%;
  }

@@ -151,7 +171,7 @@
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
-    padding: 3mm 3.6mm;
+    padding: 3.8mm 4.2mm;
  }

  .section-card.card-grow {
@@ -163,18 +183,18 @@
  .card-header {
    display: flex;
    align-items: center;
-    gap: 5px;
-    font-size: 8.8pt;
+    gap: 6px;
+    font-size: 9.6pt;
    font-weight: 700;
    color: #07384d;
-    margin-bottom: 1.8mm;
-    padding-bottom: 1.1mm;
+    margin-bottom: 2.5mm;
+    padding-bottom: 1.5mm;
    border-bottom: 1px solid #e2e8f0;
  }

  .card-header svg {
-    width: 13px;
-    height: 13px;
+    width: 14px;
+    height: 14px;
    fill: #0284c7;
    flex-shrink: 0;
  }
@@ -182,19 +202,19 @@
  /* Lists & Details */
  .check-list {
    list-style: none;
-    font-size: 7.7pt;
+    font-size: 8.8pt;
    color: #334155;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-around;
+    flex: 1;
+    gap: 2.2mm;
  }

  .check-list li {
    position: relative;
-    padding-left: 12px;
-    margin-bottom: 1.25mm;
-    line-height: 1.32;
-  }
-
-  .check-list li:last-child {
-    margin-bottom: 0;
+    padding-left: 14px;
+    line-height: 1.42;
  }

  .check-list li::before {
@@ -204,15 +224,7 @@
    top: 0;
    color: #0284c7;
    font-weight: bold;
-    font-size: 7.9pt;
-  }
-
-  .sub-note {
-    display: block;
-    font-size: 7.1pt;
-    color: #475569;
-    margin-top: 0.3mm;
-    line-height: 1.28;
+    font-size: 8.8pt;
  }

  /* Schedule rows */
@@ -227,10 +239,10 @@
    display: flex;
    justify-content: space-between;
    align-items: center;
-    font-size: 7.7pt;
-    padding: 1.4mm 0;
+    font-size: 8.5pt;
+    padding: 1.8mm 0;
    border-bottom: 1px dashed #e2e8f0;
-    line-height: 1.35;
+    line-height: 1.42;
  }

  .sched-item:last-child {
@@ -252,18 +264,18 @@
  .badge-tag {
    background: #e0f2fe;
    color: #0369a1;
-    font-size: 6.3pt;
+    font-size: 7pt;
    font-weight: 700;
-    padding: 0.5px 3.5px;
+    padding: 0.5px 4px;
    border-radius: 3px;
-    margin-right: 2px;
+    margin-right: 3px;
  }

  /* Locations */
  .loc-block {
-    margin-bottom: 2.4mm;
-    font-size: 7.7pt;
-    line-height: 1.36;
+    margin-bottom: 2.8mm;
+    font-size: 8.6pt;
+    line-height: 1.45;
  }

  .loc-block:last-child {
@@ -274,21 +286,21 @@
    display: flex;
    justify-content: space-between;
    align-items: center;
-    margin-bottom: 0.5mm;
+    margin-bottom: 0.7mm;
  }

  .loc-head {
    font-weight: 700;
    color: #07384d;
-    font-size: 8.2pt;
+    font-size: 9pt;
  }

  .loc-badge {
    background: #e0f2fe;
    color: #0369a1;
-    font-size: 6.6pt;
+    font-size: 7.2pt;
    font-weight: 700;
-    padding: 0.4mm 1.8mm;
+    padding: 0.5mm 2.2mm;
    border-radius: 99px;
  }

@@ -303,19 +315,19 @@
  /* Anfahrt & Map */
  .anfahrt-flex {
    display: flex;
-    gap: 3.2mm;
+    gap: 3.5mm;
    align-items: center;
  }

  .anfahrt-text {
    flex: 1;
-    font-size: 7.5pt;
+    font-size: 8.5pt;
    color: #475569;
-    line-height: 1.32;
+    line-height: 1.42;
  }

  .anfahrt-text p {
-    margin-bottom: 1.2mm;
+    margin-bottom: 2mm;
  }

  .anfahrt-text p:last-child {
@@ -323,8 +335,8 @@
  }

  .map-thumb {
-    width: 35mm;
-    height: 40mm;
+    width: 39mm;
+    height: 44mm;
    object-fit: contain;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
@@ -337,7 +349,7 @@
  .photo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
-    gap: 2.6mm;
+    gap: 2.8mm;
    flex: 1;
  }

@@ -347,18 +359,7 @@
    overflow: hidden;
    border: 1px solid #cbd5e1;
    height: 100%;
-    min-height: 55mm;
-  }
-
-  .photo-item img {
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    object-fit: cover;
-    object-position: center center;
-    display: block;
+    min-height: 62mm;
  }

  .photo-caption {
@@ -368,9 +369,9 @@
    right: 0;
    background: linear-gradient(to top, rgba(7, 56, 77, 0.9), rgba(7, 56, 77, 0));
    color: #ffffff;
-    font-size: 6.6pt;
+    font-size: 6.5pt;
    font-weight: 600;
-    padding: 3.5mm 2.2mm 1.2mm;
+    padding: 4mm 1.5mm 1.5mm;
    text-align: center;
    white-space: nowrap;
  }
@@ -380,34 +381,36 @@
    background: linear-gradient(135deg, #07384d 0%, #0284c7 100%);
    color: #ffffff;
    border-radius: 6px;
-    padding: 2.8mm 4.2mm;
+    padding: 3mm 4.5mm;
    display: flex;
    justify-content: space-between;
    align-items: center;
-    gap: 3mm;
+    gap: 4mm;
  }

  .callout-left {
    flex: 1;
+    min-width: 0;
  }

  .callout-title {
-    font-size: 8.6pt;
+    font-size: 9pt;
    font-weight: 700;
    margin-bottom: 0.4mm;
    white-space: nowrap;
  }

  .callout-sub {
-    font-size: 7pt;
+    font-size: 7.4pt;
    color: #e0f2fe;
    white-space: nowrap;
  }

  .callout-channels {
    display: flex;
-    gap: 4.5mm;
+    gap: 5mm;
    align-items: center;
+    flex-shrink: 0;
  }

  .callout-item {
@@ -416,7 +419,7 @@

  .callout-item small {
    display: block;
-    font-size: 5.8pt;
+    font-size: 6pt;
    font-weight: 600;
    color: #bae6fd;
    text-transform: uppercase;
@@ -424,7 +427,7 @@
  }

  .callout-item .channel-val {
-    font-size: 9pt;
+    font-size: 8.8pt;
    font-weight: 800;
    color: #ffffff;
    white-space: nowrap;
@@ -432,16 +435,16 @@

  .flyer-bottom-info {
    border-top: 1px solid #e2e8f0;
-    padding-top: 1.3mm;
-    margin-top: 1.5mm;
+    padding-top: 1.4mm;
+    margin-top: 1.6mm;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.4mm;
-    font-size: 6.4pt;
+    font-size: 6.6pt;
    color: #64748b;
-    line-height: 1.28;
+    line-height: 1.3;
  }
 </style>
 </head>
@@ -451,18 +454,23 @@
  <!-- Top Brand Header -->
  <div class="flyer-header">
    <div class="brand">
-      <img src="file:///d:/web-repo2/img/logo_dialysezentrum.png" style="height: 15mm; width: auto; object-fit: contain;" alt="Dialysezentrum Berlin-Mahlsdorf">
+      <img src="file:///d:/web-repo2/img/logo_dialysezentrum.png" style="height: 15.5mm; width: auto; object-fit: contain;" alt="Dialysezentrum Berlin-Mahlsdorf">
    </div>
-    <div class="header-contact">
-      <div>Tel. Dialyse: <strong>030 / 566 24 84</strong> &bull; Ambulanz: <strong>030 / 566 25 39</strong></div>
-      <div>E-Mail: <span class="email-link">kontakt@dialyse-berlin.net</span> &bull; Web: <strong>www.dialyse-berlin.net</strong></div>
+    <div class="header-right">
+      <div class="header-contact">
+        <div><strong>Praxis für Nephrologie &amp; Dialyse</strong></div>
+        <div>Web: <span class="web-link">www.dialyse-berlin.net</span></div>
+      </div>
+      <div class="header-qr-box">
+        <svg class="header-qr" viewBox="0 0 29 29" shape-rendering="crispEdges" aria-label="QR-Code www.dialyse-berlin.net"><path fill="#07384d" 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truncated
+      </div>
    </div>
  </div>

  <!-- Motto Banner -->
  <div class="motto-banner">
    <div class="motto-text">&bdquo;Die individuelle Dialyse im grünen Gürtel von Berlin&ldquo;</div>
-    <div class="motto-sub">Seit 1992 &bull; 2 Standorte (34 Plätze) &bull; Feriendialyse &bull; Barrierefrei</div>
+    <div class="motto-sub">2 Standorte &bull; Feriendialyse &bull; Barrierefrei</div>
  </div>

  <!-- Physicians Row -->
@@ -470,17 +478,14 @@
    <div class="physician-card">
      <div class="physician-name">Dr. med. Bianca Bischoff</div>
      <div class="physician-role">Fachärztin für Innere Medizin &amp; Nephrologie</div>
-      <div class="physician-meta">Approbation 2002 &bull; Ärztekammer Berlin</div>
    </div>
    <div class="physician-card">
      <div class="physician-name">Dr. med. Juliane Hoffzimmer</div>
      <div class="physician-role">Fachärztin für Innere Medizin &amp; Nephrologie</div>
-      <div class="physician-meta">Approbation 2009 &bull; Ärztekammer Berlin</div>
    </div>
    <div class="physician-card">
      <div class="physician-name">Dr. med. Claudia Körner</div>
      <div class="physician-role">Fachärztin für Innere Medizin</div>
-      <div class="physician-meta">Approbation 2004 &bull; Ärztekammer Berlin</div>
    </div>
  </div>

@@ -489,26 +494,16 @@
    <!-- LEFT COLUMN: Leistungen, Komfort & Behandlungszeiten -->
    <div class="col-stack">
      <!-- Leistungen -->
-      <div class="section-card">
+      <div class="section-card card-grow">
        <div class="card-header">
          <svg viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
          Leistungsspektrum &amp; Medizintechnik
        </div>
        <ul class="check-list">
-          <li><strong>Nephrologische Ambulanz:</strong> Umfassende Diagnostik &amp; Therapie von Nierenerkrankungen</li>
-          <li>Optimale <strong>Blutdruck- &amp; Blutzuckereinstellung</strong> als wesentlicher Schwerpunkt</li>
-          <li>Spezialisierte Betreuung <strong>niereninsuffizienter Diabetiker</strong></li>
-          <li><strong>Sonographie</strong> (Ultraschall Nieren/Abdomen), EKG &amp; 24-Std.-Blutdruckmessung</li>
-          <li>
-            <strong>Hämodialyse (HD) &amp; Hämodiafiltration (HDF / Online-HDF):</strong>
-            <span class="sub-note">Nikkiso DBB-07 &amp; DBB-EXA mit <strong>Haemo-Master (BV-UFC/COC)</strong> zur aktiven Blutvolumen-, Ultrafiltrations- &amp; Leitfähigkeitsregelung</span>
-          </li>
-          <li>
-            <strong>Fresenius BCM (Body Composition Monitor):</strong>
-            <span class="sub-note">Bioelektrische Präzisionsmessung zur exakten Bestimmung des Optimalgewichts</span>
-          </li>
-          <li><strong>High- &amp; Low-Flux-Dialysatoren</strong>, moderne Osmoseanlage &amp; Praxislabor</li>
-          <li><strong>Transplantationsvorbereitung</strong> &amp; Nachsorge &bull; <strong>Ernährungsberatung</strong></li>
+          <li><strong>Nephrologische Ambulanz:</strong> Diagnostik &amp; Therapie von Nierenerkrankungen, Blutdruck- und Diabeteseinstellung</li>
+          <li><strong>Funktionsdiagnostik:</strong> Sonographie (Nieren/Abdomen), EKG &amp; 24-Std.-Blutdruckmessung</li>
+          <li><strong>Dialyseverfahren (HD &amp; Online-HDF):</strong> Kreislaufschonend mit Nikkiso <strong>Haemo-Master</strong> &amp; <strong>Fresenius BCM</strong></li>
+          <li><strong>Begleitende Betreuung:</strong> Transplantationsvorbereitung, Nachsorge &amp; individuelle Ernährungsberatung</li>
        </ul>
      </div>

@@ -519,11 +514,9 @@
          Feriendialyse &amp; Patientenkomfort
        </div>
        <ul class="check-list">
-          <li><strong>Ganzjährige Feriendialysen</strong> für Berlin-Besucher und Urlauber</li>
-          <li>Vollständig <strong>barrierefreier Zugang</strong> für bewegungseingeschränkte Patienten</li>
-          <li>Erfahrenes Team aus <strong>3 Fachärztinnen und 23 Pflege- &amp; Servicekräften</strong></li>
-          <li>Wohlfühlatmosphäre mit <strong>kostenlosem WLAN, TV &amp; Imbiss- und Getränkeservice</strong></li>
-          <li>Enge Kooperation mit Haus- &amp; Fachärzten sowie umliegenden Krankenhäusern</li>
+          <li><strong>Ganzjährige Feriendialysen</strong> für Berlin-Besucher in barrierefreien Praxisräumen</li>
+          <li><strong>Persönliche Betreuung</strong> durch 3 Fachärztinnen sowie 23 Pflege- und Servicekräfte</li>
+          <li><strong>Wohlfühlatmosphäre</strong> mit kostenlosem WLAN, Patienten-TV, Imbiss &amp; Getränken</li>
        </ul>
      </div>

@@ -548,7 +541,10 @@
          </div>
          <div class="sched-item">
            <div class="sched-title">Ambulanz (Mo, Mi, Fr):</div>
-            <div class="sched-hours">08:30 &ndash; 11:30 &bull; n. Vereinb. 14:00 &ndash; 17:00</div>
+            <div class="sched-hours">
+              <div>08:30 &ndash; 11:30 Uhr</div>
+              <div>14:00 &ndash; 17:00 Uhr (n. Vereinb.)</div>
+            </div>
          </div>
          <div class="sched-item">
            <div class="sched-title">Ambulanz (Di, Do):</div>
@@ -572,20 +568,17 @@
            <span class="loc-badge">16 Plätze</span>
          </div>
          <div class="loc-body">
-            <strong>Thorner Straße 1 &bull; 12623 Berlin-Mahlsdorf</strong><br>
-            Telefon Dialyse: <strong>030 / 566 24 84</strong><br>
-            Telefon Ambulanz: <strong>030 / 566 25 39</strong><br>
-            E-Mail: <strong style="color: #0284c7;">kontakt@dialyse-berlin.net</strong>
+            <strong>Thorner Straße 1 &bull; 12623 Berlin-Mahlsdorf</strong>
          </div>
        </div>
-        <div class="loc-block" style="border-top: 1px dashed #e2e8f0; padding-top: 2mm;">
+        <div class="loc-block" style="border-top: 1px dashed #e2e8f0; padding-top: 2.4mm;">
          <div class="loc-head-row">
            <div class="loc-head">Satellitendialyse Berlin-Marzahn</div>
            <span class="loc-badge">18 Plätze</span>
          </div>
          <div class="loc-body">
            <strong>Blumberger Damm 130 &bull; 12685 Berlin</strong><br>
-            Eingang: Pritzhagener Weg 21 &bull; Tel.: <strong>030 / 566 24 84</strong>
+            Eingang: Pritzhagener Weg 21
          </div>
        </div>
      </div>
@@ -593,14 +586,14 @@
      <!-- Anfahrt & Skizze -->
      <div class="section-card">
        <div class="card-header">
-          <svg viewBox="0 0 24 24"><path d="M20.5 3l-.16.03L15 5.1 9 3 3.36 4.9c-.21.07-.36.25-.36.48V20.5c0 .28.22.5.5.5l.16-.03L9 18.9l6 2.1 5.64-1.9c.21-.07.36-.25-.36-.48V3.5c0-.28-.22-.5-.5-.5zM15 19l-6-2.11V5l6 2.11V19z"/></svg>
-          Anfahrt &amp; Parken (Thorner Straße 1)
+          <svg viewBox="0 0 24 24"><path d="M20.5 3l-.16.03L15 5.1 9 3 3.36 4.9c-.21.07-.36.25-.36.48V20.5c0 .28.22.5.5.5l.16-.03L9 18.9l6 2.1 5.64-1.9c.21-.07-.36-.25-.36-.48V3.5c0-.28-.22-.5-.5-.5zM15 19l-6-2.11V5l6 2.11V19z"/></svg>
+          Anfahrt &amp; Parken (Hauptpraxis)
        </div>
        <div class="anfahrt-flex">
          <div class="anfahrt-text">
-            <p><strong>ÖPNV:</strong> S-Bahn <strong>S5</strong> oder Regionalbahn bis <strong>S-Bhf. Berlin-Mahlsdorf</strong>, von dort wenige Minuten Fußweg oder per Bus.</p>
-            <p><strong>Pkw:</strong> Über die <strong>B1 / B5 (Alt-Mahlsdorf)</strong> in die Hönower Str., weiter über Waldowstr. und Wilhelmsmühlenweg in die Thorner Str. 1.</p>
-            <p style="color: #0284c7; font-weight: 600;">&#x2713; Gute Parkmöglichkeiten direkt vor der Praxis vorhanden.</p>
+            <p><strong>ÖPNV:</strong> S-Bahn <strong>S5</strong> oder Regionalbahn bis <strong>S-Bhf. Mahlsdorf</strong> (wenige Gehminuten).</p>
+            <p><strong>Pkw:</strong> Über <strong>B1/B5 (Alt-Mahlsdorf)</strong> &rarr; Hönower Str. &rarr; Waldowstr. &rarr; Thorner Str. 1.</p>
+            <p style="color: #0284c7; font-weight: 600;">&#x2713; Parkplätze direkt vor der Praxis.</p>
          </div>
          <img src="file:///d:/web-repo2/files/flyer_map.png" class="map-thumb" alt="Lageplan">
        </div>
@@ -616,8 +609,8 @@
          <div class="photo-item" style="background: url('file:///d:/web-repo2/img/gallery/praxis1.jpg') 92% 65% / cover no-repeat;">
            <div class="photo-caption">Praxisgebäude &bull; Thorner Str. 1</div>
          </div>
-          <div class="photo-item" style="background: url('file:///d:/web-repo2/img/gallery/leistung1.jpg') 44% 55% / cover no-repeat;">
-            <div class="photo-caption">Dialyseplatz im Grünen</div>
+          <div class="photo-item" style="background: url('file:///d:/web-repo2/img/gallery/behandlung2.jpg') center center / cover no-repeat;">
+            <div class="photo-caption">Dialyseplatz mit Nikkiso-Technik</div>
          </div>
        </div>
      </div>
@@ -627,8 +620,8 @@
  <!-- Bottom Action Callout -->
  <div class="footer-callout">
    <div class="callout-left">
-      <div class="callout-title">Haben Sie Fragen oder wünschen Sie einen Termin?</div>
-      <div class="callout-sub">Nehmen Sie direkt Kontakt auf &bull; Online-Anfrage: www.dialyse-berlin.net</div>
+      <div class="callout-title">Kontakt &amp; Terminvereinbarung</div>
+      <div class="callout-sub">Wir beraten Sie gern persönlich</div>
    </div>
    <div class="callout-channels">
      <div class="callout-item">
@@ -640,7 +633,7 @@
        <div class="channel-val">030 / 566 25 39</div>
      </div>
      <div class="callout-item">
-        <small>E-Mail-Kontakt</small>
+        <small>E-Mail</small>
        <div class="channel-val">kontakt@dialyse-berlin.net</div>
      </div>
    </div>
@@ -34,6 +34,9 @@ switch ($action) {
    case 'team':
        $content = $loadFile('view/team.php');
        break;
+    case 'ersttermin':
+        $content = $loadFile('view/first-appointment.php');
+        break;
    case 'kontakt':
        $content = $loadFile('view/contact.php');
        break;
@@ -48,6 +51,7 @@ switch ($action) {
        break;
    default:
        http_response_code(404);
+        $action = '404';
        $content = $loadFile('view/error.php');
 }

@@ -64,8 +64,8 @@ function showMapLocation(loc) {
        $addrText.text('Blumberger Damm 130 (Eingang Pritzhagener Weg 21), 12685 Berlin');
        $extLink.attr('href', 'https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf+LC/@52.5428128,13.5716785,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9d5111b:0xda0b4785760166c5!8m2!3d52.5428128!4d13.5716785!16s%2Fg%2F1ts_5mmj');
        
-        $btnMahlsdorf.removeClass('btn-primary').addClass('btn-outline-primary');
-        $btnSatellit.removeClass('btn-outline-primary').addClass('btn-primary');
+        $btnMahlsdorf.removeClass('btn-primary').addClass('btn-outline-primary').attr('aria-pressed', 'false');
+        $btnSatellit.removeClass('btn-outline-primary').addClass('btn-primary').attr('aria-pressed', 'true');
    } else {
        $frame.attr('src', 'https://maps.google.com/maps?q=Thorner+Stra%C3%9Fe+1,+12623+Berlin&t=&z=15&ie=UTF8&iwloc=&output=embed');
        $frame.attr('title', 'Karte Zentrumsdialyse Berlin-Mahlsdorf');
@@ -73,7 +73,7 @@ function showMapLocation(loc) {
        $addrText.text('Thorner Straße 1, 12623 Berlin');
        $extLink.attr('href', 'https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn');
        
-        $btnMahlsdorf.removeClass('btn-outline-primary').addClass('btn-primary');
-        $btnSatellit.removeClass('btn-primary').addClass('btn-outline-primary');
+        $btnMahlsdorf.removeClass('btn-outline-primary').addClass('btn-primary').attr('aria-pressed', 'true');
+        $btnSatellit.removeClass('btn-primary').addClass('btn-outline-primary').attr('aria-pressed', 'false');
    }
 }
@@ -1,4 +1,9 @@
-User-agent:EmailCollector
+User-agent: EmailCollector
 Disallow: /

-sitemap: https://www.dialyse-berlin.net/sitemap.xml.gz
+User-agent: *
+Allow: /
+Disallow: /api.php
+
+Sitemap: https://www.dialyse-berlin.net/sitemap.xml
+Sitemap: https://www.dialyse-berlin.net/sitemap.xml.gz
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+    <url>
+        <loc>https://www.dialyse-berlin.net/</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>1.0</priority>
+    </url>
+    <url>
+        <loc>https://www.dialyse-berlin.net/leistungen.html</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.9</priority>
+    </url>
+    <url>
+        <loc>https://www.dialyse-berlin.net/praxis.html</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.9</priority>
+    </url>
+    <url>
+        <loc>https://www.dialyse-berlin.net/team.html</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.8</priority>
+    </url>
+    <url>
+        <loc>https://www.dialyse-berlin.net/ersttermin.html</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.9</priority>
+    </url>
+    <url>
+        <loc>https://www.dialyse-berlin.net/kontakt.html</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.9</priority>
+    </url>
+    <url>
+        <loc>https://www.dialyse-berlin.net/files/dialyse_flyer.pdf</loc>
+        <lastmod>2026-10-20</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.6</priority>
+    </url>
+</urlset>
+
@@ -5,11 +5,11 @@ $form = $session->get('form');

 <div class="form-card">
    <?php if($session->has('alert')): ?>
-        <div class="alert <?=$session->get('alert-class')?>">
+        <div class="alert <?=$session->get('alert-class')?>" role="alert" aria-live="polite">
            <?php if($session->get('alert-class') === 'alert-success'): ?>
-                <svg style="width: 22px; height: 22px; fill: currentColor; flex-shrink: 0;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 22px; height: 22px; fill: currentColor; flex-shrink: 0;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
            <?php else: ?>
-                <svg style="width: 22px; height: 22px; fill: currentColor; flex-shrink: 0;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 22px; height: 22px; fill: currentColor; flex-shrink: 0;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>
            <?php endif; ?>
            <div><?=$session->get('alert')?></div>
        </div>
@@ -18,9 +18,9 @@ $form = $session->get('form');

    <h1>Ihre Kontaktanfrage</h1>

-    <p style="color: var(--text-muted); margin-bottom: 2rem;">
+    <p id="form-instructions" style="color: var(--text-muted); margin-bottom: 2rem;">
        Hier können Sie, unter Angabe Ihrer Kontaktdaten, eine persönliche Anfrage stellen. 
-        Die mit einem (<span style="color: var(--danger); font-weight: bold;">*</span>) gekennzeichneten Felder sind Pflichtfelder. 
+        Die mit einem (<span aria-hidden="true" style="color: var(--danger); font-weight: bold;">*</span>) gekennzeichneten Felder sind Pflichtfelder. 
        Bitte geben Sie entweder eine E-Mail-Adresse oder Ihre Telefonnummer an, damit wir Sie erreichen können.
    </p>

@@ -37,39 +37,39 @@ $form = $session->get('form');
        <div class="form-row">
            <div class="form-group">
                <label class="form-label" for="surname">Vorname</label>
-                <input type="text" class="form-control" name="surname" id="surname" placeholder="Ihr Vorname" value="<?=isset($form) ? htmlspecialchars($form['surname']) : ''?>">
+                <input type="text" class="form-control" name="surname" id="surname" autocomplete="given-name" placeholder="Ihr Vorname" value="<?=isset($form) ? htmlspecialchars($form['surname']) : ''?>">
            </div>
            <div class="form-group">
-                <label class="form-label" for="name">Nachname <span class="required">*</span></label>
-                <input type="text" class="form-control" name="name" id="name" required placeholder="Ihr Nachname" value="<?=isset($form) ? htmlspecialchars($form['name']) : ''?>">
+                <label class="form-label" for="name">Nachname <span class="required" aria-hidden="true">*</span></label>
+                <input type="text" class="form-control" name="name" id="name" autocomplete="family-name" required placeholder="Ihr Nachname" value="<?=isset($form) ? htmlspecialchars($form['name']) : ''?>">
            </div>
        </div>

        <div class="form-row">
            <div class="form-group">
-                <label class="form-label" for="email">E-Mail-Adresse <span class="required" title="Bitte E-Mail-Adresse oder Telefonnummer angeben">*</span></label>
-                <input type="email" class="form-control" name="email" id="email" required placeholder="ihre.adresse@example.de" value="<?=isset($form) ? htmlspecialchars($form['email']) : ''?>">
+                <label class="form-label" for="email">E-Mail-Adresse <span class="required" aria-hidden="true" title="Bitte E-Mail-Adresse oder Telefonnummer angeben">*</span></label>
+                <input type="email" class="form-control" name="email" id="email" autocomplete="email" aria-describedby="form-instructions" required placeholder="ihre.adresse@example.de" value="<?=isset($form) ? htmlspecialchars($form['email']) : ''?>">
            </div>
            <div class="form-group">
-                <label class="form-label" for="phone">Telefonnummer <span class="required" title="Bitte E-Mail-Adresse oder Telefonnummer angeben">*</span></label>
-                <input type="tel" class="form-control" name="phone" id="phone" required placeholder="030 12345678" value="<?=isset($form) ? htmlspecialchars($form['phone']) : ''?>">
+                <label class="form-label" for="phone">Telefonnummer <span class="required" aria-hidden="true" title="Bitte E-Mail-Adresse oder Telefonnummer angeben">*</span></label>
+                <input type="tel" class="form-control" name="phone" id="phone" autocomplete="tel" aria-describedby="form-instructions" required placeholder="030 12345678" value="<?=isset($form) ? htmlspecialchars($form['phone']) : ''?>">
            </div>
        </div>

        <div class="form-group">
-            <label class="form-label" for="message">Ihre Mitteilung <span class="required">*</span></label>
+            <label class="form-label" for="message">Ihre Mitteilung <span class="required" aria-hidden="true">*</span></label>
            <textarea class="form-control" name="message" id="message" required rows="6" placeholder="Wie können wir Ihnen weiterhelfen?"><?=isset($form) ? htmlspecialchars($form['message']) : ''?></textarea>
        </div>

        <div class="form-note">
-            <svg style="width: 16px; height: 16px; fill: currentColor; vertical-align: middle; margin-right: 4px;" viewBox="0 0 24 24"><path d="M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm0 10.99h7c-.53 4.12-3.28 7.79-7 8.94V12H5V6.3l7-3.11v8.8z"/></svg>
+            <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor; vertical-align: middle; margin-right: 4px;" viewBox="0 0 24 24"><path d="M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm0 10.99h7c-.53 4.12-3.28 7.79-7 8.94V12H5V6.3l7-3.11v8.8z"/></svg>
            Ihre persönlichen Angaben werden vertraulich behandelt, ausschließlich zur Bearbeitung Ihrer Anfrage gemäß unserer <a href="/datenschutz.html" style="text-decoration: underline;">Datenschutzerklärung</a> verarbeitet und niemals an Dritte weitergegeben.
        </div>

        <div class="form-actions">
            <button type="button" class="btn btn-outline-primary" onclick="history.back();">Abbrechen</button>
            <button type="submit" class="btn btn-primary" name="send">
-                <svg style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/></svg>
                Anfrage absenden
            </button>
        </div>
@@ -10,26 +10,26 @@
        <!-- Zentrumsdialyse Card -->
        <div class="location-card">
            <div class="location-header">
-                <div class="location-badge">
-                    <svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                <div class="location-badge" aria-hidden="true">
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                </div>
                <h2 class="location-title">Zentrumsdialyse (Hauptstandort)</h2>
            </div>
            
            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                <div class="contact-detail-label">Adresse:</div>
                <div class="contact-detail-value">
                    Thorner Straße 1<br>
                    12623 Berlin &ndash; Mahlsdorf<br>
-                    <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn" target="_blank" rel="noopener noreferrer" style="font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 0.25rem;">
-                        <span>&raquo; In Google Maps öffnen</span>
+                    <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn" target="_blank" rel="noopener noreferrer" aria-label="Zentrumsdialyse Thorner Straße 1 in Google Maps öffnen" style="font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 0.25rem;">
+                        <span aria-hidden="true">&raquo;</span> <span>In Google Maps öffnen</span>
                    </a>
                </div>
            </div>

            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                <div class="contact-detail-label">Telefon (Dialyse):</div>
                <div class="contact-detail-value">
                    <a href="tel:0305662484"><strong>030 / 566 24 84</strong></a>
@@ -37,7 +37,7 @@
            </div>

            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                <div class="contact-detail-label">Telefon (Ambulanz):</div>
                <div class="contact-detail-value">
                    <a href="tel:0305662539"><strong>030 / 566 25 39</strong></a>
@@ -46,7 +46,7 @@


            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
                <div class="contact-detail-label">E-Mail:</div>
                <div class="contact-detail-value">
                    <a href="javascript:void(0);" onclick="sending();" class="mail-obf" data-usr="kontakt" data-dom="dialyse-berlin" data-tld="net" style="display: inline-flex; align-items: center; gap: 0.35rem; color: var(--accent); font-weight: 600;">
@@ -59,27 +59,27 @@
        <!-- Satellitendialyse Card -->
        <div class="location-card">
            <div class="location-header">
-                <div class="location-badge">
-                    <svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                <div class="location-badge" aria-hidden="true">
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                </div>
                <h2 class="location-title">Satellitendialyse</h2>
            </div>
            
            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                <div class="contact-detail-label">Adresse:</div>
                <div class="contact-detail-value">
                    Blumberger Damm 130<br>
                    <small style="color: var(--text-muted);">(Eingang: Pritzhagener Weg 21)</small><br>
                    12685 Berlin &ndash; Marzahn<br>
-                    <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf+LC/@52.5428128,13.5716785,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9d5111b:0xda0b4785760166c5!8m2!3d52.5428128!4d13.5716785!16s%2Fg%2F1ts_5mmj" target="_blank" rel="noopener noreferrer" style="font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 0.25rem;">
-                        <span>&raquo; In Google Maps öffnen</span>
+                    <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf+LC/@52.5428128,13.5716785,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9d5111b:0xda0b4785760166c5!8m2!3d52.5428128!4d13.5716785!16s%2Fg%2F1ts_5mmj" target="_blank" rel="noopener noreferrer" aria-label="Satellitendialyse Blumberger Damm 130 in Google Maps öffnen" style="font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 0.25rem;">
+                        <span aria-hidden="true">&raquo;</span> <span>In Google Maps öffnen</span>
                    </a>
                </div>
            </div>

            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                <div class="contact-detail-label">Telefon (Dialyse):</div>
                <div class="contact-detail-value">
                    <a href="tel:0305662484"><strong>030 / 566 24 84</strong></a>
@@ -87,7 +87,7 @@
            </div>

            <div class="contact-detail-row">
-                <svg class="contact-detail-icon" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
+                <svg class="contact-detail-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
                <div class="contact-detail-label">E-Mail:</div>
                <div class="contact-detail-value">
                    <a href="javascript:void(0);" onclick="sending();" class="mail-obf" data-usr="kontakt" data-dom="dialyse-berlin" data-tld="net" style="display: inline-flex; align-items: center; gap: 0.35rem; color: var(--accent); font-weight: 600;">
@@ -100,15 +100,19 @@
        <!-- Action Links & Download -->
        <div style="display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem;">
            <a href="javascript:void(0);" onclick="sending();" class="btn btn-secondary mail-obf" data-usr="kontakt" data-dom="dialyse-berlin" data-tld="net" style="width: 100%;">
-                <svg style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
                Direkt per E-Mail schreiben: <span class="mail-val c-rev">net.nilreb-esylaid&#64;tkatnok</span>
            </a>
            <a href="/kontakt-formular.html" class="btn btn-primary" style="width: 100%;">
-                <svg style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5 14H7v-2h7v2zm3-4H7v-2h10v2zm0-4H7V7h10v2z"/></svg>
-                Online-Kontaktformular aufrufen &raquo;
+                <svg aria-hidden="true" focusable="false" style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5 14H7v-2h7v2zm3-4H7v-2h10v2zm0-4H7V7h10v2z"/></svg>
+                Online-Kontaktformular aufrufen <span aria-hidden="true">&raquo;</span>
            </a>
-            <a href="/files/dialyse_flyer.pdf" target="_blank" class="btn btn-outline-primary" style="width: 100%;">
-                <svg style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
+            <a href="/ersttermin.html" class="btn btn-outline-primary" style="width: 100%;">
+                <svg aria-hidden="true" focusable="false" style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-9 14l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
+                Informationen &amp; Formulare zum 1. Termin <span aria-hidden="true">&raquo;</span>
+            </a>
+            <a href="/files/dialyse_flyer.pdf" target="_blank" rel="noopener" class="btn btn-outline-primary" style="width: 100%;">
+                <svg aria-hidden="true" focusable="false" style="width: 18px; height: 18px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
                Praxis-Flyer herunterladen (PDF)
            </a>
        </div>
@@ -118,10 +122,10 @@
    <div>
        <div class="map-card">
            <div class="map-header">
-                <span class="map-header-title" id="mapHeaderTitle">Standortkarte &bull; Berlin-Mahlsdorf</span>
-                <div style="display: flex; gap: 0.5rem;">
-                    <button type="button" id="btnMapMahlsdorf" class="btn btn-sm btn-primary" onclick="showMapLocation('mahlsdorf');">Zentrum</button>
-                    <button type="button" id="btnMapSatellit" class="btn btn-sm btn-outline-primary" onclick="showMapLocation('satellit');">Satellit</button>
+                <h2 class="map-header-title" id="mapHeaderTitle" style="margin: 0;">Standortkarte &bull; Berlin-Mahlsdorf</h2>
+                <div role="group" aria-label="Standort auf der Karte auswählen" style="display: flex; gap: 0.5rem;">
+                    <button type="button" id="btnMapMahlsdorf" class="btn btn-sm btn-primary" aria-pressed="true" onclick="showMapLocation('mahlsdorf');">Zentrum</button>
+                    <button type="button" id="btnMapSatellit" class="btn btn-sm btn-outline-primary" aria-pressed="false" onclick="showMapLocation('satellit');">Satellit</button>
                </div>
            </div>
            
@@ -135,7 +139,7 @@
            <div style="padding: 1rem 1.25rem; background-color: #ffffff; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--text-muted); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;">
                <span id="mapAddressText">Thorner Straße 1, 12623 Berlin</span>
                <a id="mapExternalLink" href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn" target="_blank" rel="noopener noreferrer" style="font-weight: 600;">
-                    Große Routenkarte &raquo;
+                    Große Routenkarte <span aria-hidden="true">&raquo;</span>
                </a>
            </div>
        </div>
@@ -1,6 +1,6 @@
 <div style="text-align: center; padding: 3rem 1rem;">
-    <div style="width: 72px; height: 72px; background: var(--danger-bg); color: var(--danger); border-radius: var(--radius-full); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 1.5rem;">
-        <svg style="width: 36px; height: 36px; fill: currentColor;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>
+    <div aria-hidden="true" style="width: 72px; height: 72px; background: var(--danger-bg); color: var(--danger); border-radius: var(--radius-full); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 1.5rem;">
+        <svg aria-hidden="true" focusable="false" style="width: 36px; height: 36px; fill: currentColor;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>
    </div>
    <h1 style="margin-bottom: 1rem;">Seite nicht gefunden (404)</h1>
    <p style="font-size: 1.1rem; color: var(--text-muted); max-width: 500px; margin: 0 auto 2rem;">
@@ -0,0 +1,241 @@
+<?php
+$pdfInfo = '/files/' . rawurlencode('Information zum 1 Termin ab 1-2024.pdf');
+$pdfAnamnese = '/files/' . rawurlencode('Anamnesebogen.pdf');
+$pdfDatenschutz = '/files/' . rawurlencode('Datenschutzerklärung_neu.pdf');
+$pdfAusfall = '/files/' . rawurlencode('Einverständniserklärung zur Ausfallhonorarregelung.pdf');
+$pdfPrivat = '/files/' . rawurlencode('Behandlunsvertrag Privatpatienten.pdf');
+?>
+<h1>Informationen zu Ihrem 1. Termin</h1>
+
+<p class="lead" style="font-size: 1.1rem; color: var(--text-muted); margin-bottom: 2rem;">
+    Liebe Patientin, lieber Patient, willkommen in der Nephrologie / Dialysepraxis Berlin-Mahlsdorf! 
+    Damit wir uns bei Ihrem Erstbesuch optimal auf Sie vorbereiten können, finden Sie hier die Checkliste aller benötigten Unterlagen sowie alle Formulare zum direkten <strong>Online-Ausfüllen im Browser</strong> oder zum <strong>Herunterladen</strong>.
+</p>
+
+<!-- Checkliste & Vorbefunde Grid -->
+<div class="grid-2" style="margin-bottom: 2rem;">
+    <!-- Erforderliche Unterlagen -->
+    <div class="card">
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;">
+            <svg aria-hidden="true" focusable="false" style="width: 22px; height: 22px; fill: var(--accent); flex-shrink: 0;" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-9 14l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
+            Erforderliche Unterlagen zum 1. Termin
+        </h2>
+        <p style="font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1rem;">
+            Bitte bringen Sie zu Ihrem 1. Termin bei uns folgende Unterlagen mit:
+        </p>
+        <ul style="list-style: none; padding: 0; margin: 0;">
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.75rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span><strong>Überweisung</strong> vom aktuellen oder letzten Quartal</span>
+            </li>
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.75rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span><strong>Versichertenkarte</strong> (elektronische Gesundheitskarte)</span>
+            </li>
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.75rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span>Falls vorhanden: Ihren <strong>Befreiungsausweis</strong></span>
+            </li>
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.75rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span>Die <strong>letzten 3 Laboruntersuchungen</strong></span>
+            </li>
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.75rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span>Ihren <strong>aktuellen Medikamentenplan</strong></span>
+            </li>
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.75rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span><a href="#form-anamnese" style="font-weight: 700;">Anamnesebogen</a> (ausgefüllt und unterschrieben)</span>
+            </li>
+            <li style="display: flex; align-items: flex-start; gap: 0.6rem;">
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span><a href="#form-datenschutz" style="font-weight: 700;">Patienteninformation &amp; Einwilligung zum Datenschutz</a> (ausgefüllt und unterschrieben)</span>
+            </li>
+        </ul>
+    </div>
+
+    <!-- Fachärztliche Vorbefunde -->
+    <div class="card" style="display: flex; flex-direction: column; justify-content: space-between;">
+        <div>
+            <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;">
+                <svg aria-hidden="true" focusable="false" style="width: 22px; height: 22px; fill: var(--accent); flex-shrink: 0;" viewBox="0 0 24 24"><path d="M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z"/></svg>
+                Falls vorhanden: Fachärztliche Vorbefunde
+            </h2>
+            <p style="font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1rem;">
+                Sofern bei Ihnen bereits Vorbefunde vorliegen, bringen Sie diese bitte ebenfalls zum Termin mit:
+            </p>
+            <ul style="list-style: none; padding: 0; margin: 0 0 1.5rem 0;">
+                <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.65rem;">
+                    <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                    <span><strong>Krankenhausbericht(e)</strong> der letzten 2 Jahre</span>
+                </li>
+                <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.65rem;">
+                    <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                    <span><strong>Kardiologiebefund</strong></span>
+                </li>
+                <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.65rem;">
+                    <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                    <span><strong>Urologiebefund</strong></span>
+                </li>
+                <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.65rem;">
+                    <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                    <span><strong>Gynäkologiebefund</strong></span>
+                </li>
+                <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.65rem;">
+                    <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                    <span><strong>Angiologiebefund</strong></span>
+                </li>
+                <li style="display: flex; align-items: flex-start; gap: 0.6rem;">
+                    <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                    <span><strong>MRT- / CT-Befund(e)</strong> sowie <strong>Röntgenbefund(e)</strong></span>
+                </li>
+            </ul>
+        </div>
+
+        <!-- Wichtiger Hinweis zu Originalbefunden -->
+        <div style="background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); border-left: 4px solid var(--accent); border-radius: var(--radius-md); padding: 1rem 1.15rem;">
+            <div style="font-weight: 700; color: var(--primary-dark); margin-bottom: 0.25rem; display: flex; align-items: center; gap: 0.4rem;">
+                <svg aria-hidden="true" focusable="false" style="width: 18px; height: 18px; fill: var(--accent); flex-shrink: 0;" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z"/></svg>
+                Wichtiger Hinweis zu Ihren Originalbefunden:
+            </div>
+            <p style="margin: 0; font-size: 0.92rem; color: var(--primary-dark);">
+                Bitte bringen Sie die <strong>Originalbefunde</strong> mit &ndash; wir scannen alles vor Ort ein und Sie erhalten Ihre Unterlagen am selben Tag wieder zurück.
+            </p>
+        </div>
+    </div>
+</div>
+
+<!-- Formulare zum Online-Ausfüllen & Herunterladen -->
+<div class="highlight-panel" style="margin-top: 2rem; margin-bottom: 2.5rem;">
+    <span class="highlight-badge">Interaktive PDF-Formulare</span>
+    <h2 class="highlight-panel-title" style="margin-top: 0;">
+        <svg aria-hidden="true" focusable="false" style="width: 24px; height: 24px; fill: var(--accent); flex-shrink: 0;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
+        Formulare &amp; Patientenunterlagen (Online ausfüllbar)
+    </h2>
+    <p style="margin-bottom: 1.5rem;">
+        Alle nachfolgenden Dokumente verfügen über <strong>interaktive Formularfelder</strong>. Sie können die Bögen direkt <strong>online im Browser öffnen und am Bildschirm ausfüllen</strong>, anschließend ausdrucken und unterschrieben zu Ihrem Termin mitbringen &ndash; oder als PDF-Datei auf Ihr Gerät herunterladen.
+    </p>
+
+    <div class="grid-2" style="margin-bottom: 0;">
+        <!-- 1. Anamnesebogen -->
+        <div class="card" id="form-anamnese" style="display: flex; flex-direction: column; justify-content: space-between; background: #ffffff;">
+            <div>
+                <div style="display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.5rem;">
+                    <h3 style="font-size: 1.1rem; color: var(--primary-dark); margin: 0;">1. Anamnesebogen &bull; Patientenfragebogen</h3>
+                    <span style="background: var(--primary-light); color: var(--primary-dark); font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); white-space: nowrap;">Pflichtdokument</span>
+                </div>
+                <p style="font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.25rem;">
+                    Fragebogen zu Ihren persönlichen Stammdaten, eigenen Erkrankungen, Voroperationen, Familienanamnese, Vorsorgeuntersuchungen sowie Notfallkontakt &amp; Abholvollmacht (2 Seiten).
+                </p>
+            </div>
+            <div style="display: flex; gap: 0.65rem; flex-wrap: wrap;">
+                <a href="<?=$pdfAnamnese?>" target="_blank" rel="noopener" class="btn btn-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34a.9959.9959 0 0 0-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"/></svg>
+                    Online ausfüllen &amp; öffnen
+                </a>
+                <a href="<?=$pdfAnamnese?>" download="Anamnesebogen_Dialysezentrum_Berlin-Mahlsdorf.pdf" class="btn btn-outline-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
+                    Herunterladen (PDF)
+                </a>
+            </div>
+        </div>
+
+        <!-- 2. Datenschutz & Schweigepflichtentbindung -->
+        <div class="card" id="form-datenschutz" style="display: flex; flex-direction: column; justify-content: space-between; background: #ffffff;">
+            <div>
+                <div style="display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.5rem;">
+                    <h3 style="font-size: 1.1rem; color: var(--primary-dark); margin: 0;">2. Patienteninformation &amp; Datenschutz</h3>
+                    <span style="background: var(--primary-light); color: var(--primary-dark); font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); white-space: nowrap;">Pflichtdokument</span>
+                </div>
+                <p style="font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.25rem;">
+                    Pflichtinformationen gemäß Art. 13 DSGVO sowie Einwilligungserklärung und Schweigepflichtentbindung (§ 73 Abs. 1b SGB V, § 203 StGB) für Hausärzte, mitbehandelnde Ärzte und Angehörige.
+                </p>
+            </div>
+            <div style="display: flex; gap: 0.65rem; flex-wrap: wrap;">
+                <a href="<?=$pdfDatenschutz?>" target="_blank" rel="noopener" class="btn btn-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34a.9959.9959 0 0 0-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"/></svg>
+                    Online ausfüllen &amp; öffnen
+                </a>
+                <a href="<?=$pdfDatenschutz?>" download="Datenschutz_Einwilligung_Dialysezentrum_Berlin-Mahlsdorf.pdf" class="btn btn-outline-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
+                    Herunterladen (PDF)
+                </a>
+            </div>
+        </div>
+
+        <!-- 3. Einverständniserklärung zur Ausfallhonorarregelung -->
+        <div class="card" id="form-ausfallhonorar" style="display: flex; flex-direction: column; justify-content: space-between; background: #ffffff;">
+            <div>
+                <div style="display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.5rem;">
+                    <h3 style="font-size: 1.1rem; color: var(--primary-dark); margin: 0;">3. Vereinbarung zur Terminabsage / Ausfallhonorar</h3>
+                    <span style="background: var(--primary-light); color: var(--primary-dark); font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); white-space: nowrap;">Pflichtdokument</span>
+                </div>
+                <p style="font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.25rem;">
+                    Patienteninformation und Terminvereinbarung für Neupatientinnen und Neupatienten (§ 615 BGB) zur rechtzeitigen Absage reservierter Behandlungszeitfenster (mindestens 24 Stunden vor dem Termin).
+                </p>
+            </div>
+            <div style="display: flex; gap: 0.65rem; flex-wrap: wrap;">
+                <a href="<?=$pdfAusfall?>" target="_blank" rel="noopener" class="btn btn-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34a.9959.9959 0 0 0-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"/></svg>
+                    Online ausfüllen &amp; öffnen
+                </a>
+                <a href="<?=$pdfAusfall?>" download="Ausfallhonorarregelung_Dialysezentrum_Berlin-Mahlsdorf.pdf" class="btn btn-outline-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
+                    Herunterladen (PDF)
+                </a>
+            </div>
+        </div>
+
+        <!-- 4. Behandlungsvertrag Privatpatienten / Selbstzahler -->
+        <div class="card" id="form-privat" style="display: flex; flex-direction: column; justify-content: space-between; background: #ffffff;">
+            <div>
+                <div style="display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.5rem;">
+                    <h3 style="font-size: 1.1rem; color: var(--primary-dark); margin: 0;">4. Behandlungsvertrag (Privatpatienten &amp; Selbstzahler)</h3>
+                    <span style="background: #f1f5f9; color: var(--text-muted); font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); white-space: nowrap;">Bei Bedarf</span>
+                </div>
+                <p style="font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.25rem;">
+                    Vereinbarung über die privatärztliche Behandlung (§ 630a BGB, GOÄ) sowie Selbstzahlererklärung (§ 630c Abs. 3 BGB) &ndash; nur für Privatversicherte oder Selbstzahler erforderlich.
+                </p>
+            </div>
+            <div style="display: flex; gap: 0.65rem; flex-wrap: wrap;">
+                <a href="<?=$pdfPrivat?>" target="_blank" rel="noopener" class="btn btn-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34a.9959.9959 0 0 0-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"/></svg>
+                    Online ausfüllen &amp; öffnen
+                </a>
+                <a href="<?=$pdfPrivat?>" download="Behandlungsvertrag_Privatpatienten_Dialysezentrum.pdf" class="btn btn-outline-primary btn-sm" style="flex: 1 1 auto;">
+                    <svg aria-hidden="true" focusable="false" style="width: 16px; height: 16px; fill: currentColor;" viewBox="0 0 24 24"><path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/></svg>
+                    Herunterladen (PDF)
+                </a>
+            </div>
+        </div>
+    </div>
+
+    <!-- Checkliste als PDF -->
+    <div style="margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;">
+        <div>
+            <strong style="color: var(--primary-dark);">Gesamte Checkliste zum 1. Termin als PDF-Dokument:</strong>
+            <div style="font-size: 0.9rem; color: var(--text-muted);">Übersichtsblatt aller erforderlichen Unterlagen und Vorbefunde für Sie persönlich zur Übersicht. Sie müssen das Dokument nicht mitbringen.</div>
+        </div>
+        <div style="display: flex; gap: 0.65rem; flex-wrap: wrap;">
+            <a href="<?=$pdfInfo?>" target="_blank" rel="noopener" class="btn btn-secondary btn-sm">
+                Checkliste öffnen (PDF)
+            </a>
+            <a href="<?=$pdfInfo?>" download="Information_zum_1_Termin_Dialysezentrum.pdf" class="btn btn-outline-primary btn-sm">
+                Checkliste herunterladen
+            </a>
+        </div>
+    </div>
+</div>
+
+<!-- Kontakt-Hinweis bei Rückfragen -->
+<div class="card" style="background: var(--bg-alt); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;">
+    <div>
+        <h2 style="font-size: 1.15rem; margin: 0 0 0.25rem 0; color: var(--primary-dark);">Haben Sie Fragen zu Ihrem ersten Termin oder zum Ausfüllen der Bögen?</h2>
+        <p style="margin: 0; font-size: 0.95rem; color: var(--text-muted);">
+            Unser Praxisteam hilft Ihnen gern telefonisch unter <a href="tel:0305662539"><strong>030 / 566 25 39</strong></a> (Ambulanz) oder vor Ort weiter.
+        </p>
+    </div>
+    <a href="/kontakt.html" class="btn btn-primary btn-sm">Kontakt &amp; Anfahrt <span aria-hidden="true">&raquo;</span></a>
+</div>
+
@@ -9,13 +9,149 @@ $titles = [
    'leistungen' => 'Leistungen & Schwerpunkte | Dialysezentrum Berlin-Mahlsdorf',
    'praxis' => 'Praxisausstattung & Öffnungszeiten | Dialysezentrum Berlin-Mahlsdorf',
    'team' => 'Unser Ärzteteam & Mitarbeiter | Dialysezentrum Berlin-Mahlsdorf',
+    'ersttermin' => 'Informationen zum 1. Termin & Formulare | Dialysezentrum Berlin-Mahlsdorf',
    'kontakt' => 'Kontakt & Anfahrt | Dialysezentrum Berlin-Mahlsdorf',
    'kontakt-formular' => 'Kontaktanfrage | Dialysezentrum Berlin-Mahlsdorf',
    'impressum' => 'Impressum | Dialysezentrum Berlin-Mahlsdorf',
    'datenschutz' => 'Datenschutzerklärung | Dialysezentrum Berlin-Mahlsdorf',
+    '404' => 'Seite nicht gefunden (404) | Dialysezentrum Berlin-Mahlsdorf',
 ];
-$pageTitle = isset($titles[$action]) ? $titles[$action] : 'Dialysezentrum Berlin-Mahlsdorf';
+
+$descriptions = [
+    'main' => 'Dialysezentrum Berlin-Mahlsdorf & Marzahn: Individuelle Hämodialyse, Online-HDF, nephrologische Ambulanz und ganzjährige Feriendialysen in Berlin.',
+    'leistungen' => 'Leistungen im Dialysezentrum Berlin-Mahlsdorf: Nephrologische Ambulanz, Hämodialyse, Online-HDF mit Nikkiso Haemo-Master, Fresenius BCM & Sonographie.',
+    'praxis' => 'Praxisausstattung, Dialyse-Schichten & Ambulanz-Sprechzeiten: 16 Plätze in Berlin-Mahlsdorf, 18 Plätze in Berlin-Marzahn und moderne Nikkiso-Dialysetechnik.',
+    'team' => 'Lernen Sie unser Ärzteteam kennen: Dr. med. Bianca Bischoff, Dr. med. Juliane Hoffzimmer, Dr. med. Claudia Körner und 23 engagierte Pflege- & Servicekräfte.',
+    'ersttermin' => 'Checkliste und interaktive Formulare für Ihren 1. Termin im Dialysezentrum Berlin-Mahlsdorf: Anamnesebogen, Datenschutz & Patientenunterlagen online ausfüllen.',
+    'kontakt' => 'Kontakt & Anfahrt zum Dialysezentrum Berlin-Mahlsdorf (Thorner Str. 1, 12623 Berlin) und zur Satellitendialyse Marzahn (Blumberger Damm 130, 12685 Berlin).',
+    'kontakt-formular' => 'Senden Sie uns Ihre Anfrage bequem online über das Kontaktformular des Dialysezentrums Berlin-Mahlsdorf für Termine, Feriendialysen oder allgemeine Fragen.',
+    'impressum' => 'Impressum und Pflichtangaben der Berufsausübungsgemeinschaft Dr. med. Bianca Bischoff & Dr. med. Juliane Hoffzimmer – Dialysezentrum Berlin-Mahlsdorf.',
+    'datenschutz' => 'Datenschutzerklärung und Informationen zum Schutz Ihrer personenbezogenen Daten gemäß DSGVO im Dialysezentrum Berlin-Mahlsdorf.',
+    '404' => 'Die angeforderte Seite wurde leider nicht gefunden. Zurück zur Startseite des Dialysezentrums Berlin-Mahlsdorf.',
+];
+
 $currentAction = isset($action) ? $action : 'main';
+$pageTitle = isset($titles[$currentAction]) ? $titles[$currentAction] : 'Dialysezentrum Berlin-Mahlsdorf';
+$pageDescription = isset($descriptions[$currentAction]) ? $descriptions[$currentAction] : $descriptions['main'];
+
+$baseUrl = 'https://www.dialyse-berlin.net';
+if ($currentAction === '404') {
+    $robotsMeta = 'noindex, nofollow';
+    $canonicalUrl = null;
+} elseif (in_array($currentAction, ['impressum', 'datenschutz', 'kontakt-formular'], true)) {
+    $robotsMeta = 'noindex, follow';
+    $canonicalUrl = $baseUrl . '/' . $currentAction . '.html';
+} elseif ($currentAction === 'main') {
+    $robotsMeta = 'index, follow';
+    $canonicalUrl = $baseUrl . '/';
+} else {
+    $robotsMeta = 'index, follow';
+    $canonicalUrl = $baseUrl . '/' . $currentAction . '.html';
+}
+
+$schemaGraph = [
+    [
+        '@type' => 'MedicalClinic',
+        '@id' => $baseUrl . '/#organization',
+        'name' => 'Dialysezentrum Berlin-Mahlsdorf',
+        'alternateName' => 'Zentrum für Nephrologie und Dialyse – Dr. med. Bianca Bischoff & Dr. med. Juliane Hoffzimmer',
+        'url' => $baseUrl . '/',
+        'logo' => $baseUrl . '/img/logo_dialysezentrum.png',
+        'image' => $baseUrl . '/img/gallery/praxis1.jpg',
+        'description' => $descriptions['main'],
+        'medicalSpecialty' => 'https://schema.org/Nephrology',
+        'telephone' => '+49-30-5662484',
+        'email' => 'kontakt@dialyse-berlin.net',
+        'address' => [
+            '@type' => 'PostalAddress',
+            'streetAddress' => 'Thorner Straße 1',
+            'postalCode' => '12623',
+            'addressLocality' => 'Berlin',
+            'addressRegion' => 'Berlin',
+            'addressCountry' => 'DE',
+        ],
+        'geo' => [
+            '@type' => 'GeoCoordinates',
+            'latitude' => 52.5078291,
+            'longitude' => 13.6092903,
+        ],
+        'hasMap' => 'https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn',
+        'openingHoursSpecification' => [
+            [
+                '@type' => 'OpeningHoursSpecification',
+                'dayOfWeek' => ['Monday', 'Wednesday', 'Friday'],
+                'opens' => '07:00',
+                'closes' => '20:00',
+            ],
+            [
+                '@type' => 'OpeningHoursSpecification',
+                'dayOfWeek' => ['Tuesday', 'Thursday', 'Saturday'],
+                'opens' => '07:00',
+                'closes' => '13:00',
+            ],
+        ],
+        'department' => [
+            '@type' => 'MedicalClinic',
+            'name' => 'Dialysezentrum Berlin-Mahlsdorf – Satellitendialyse Marzahn',
+            'medicalSpecialty' => 'https://schema.org/Nephrology',
+            'telephone' => '+49-30-5662484',
+            'email' => 'kontakt@dialyse-berlin.net',
+            'address' => [
+                '@type' => 'PostalAddress',
+                'streetAddress' => 'Blumberger Damm 130 (Eingang: Pritzhagener Weg 21)',
+                'postalCode' => '12685',
+                'addressLocality' => 'Berlin',
+                'addressRegion' => 'Berlin',
+                'addressCountry' => 'DE',
+            ],
+            'geo' => [
+                '@type' => 'GeoCoordinates',
+                'latitude' => 52.5428128,
+                'longitude' => 13.5716785,
+            ],
+            'hasMap' => 'https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf+LC/@52.5428128,13.5716785,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9d5111b:0xda0b4785760166c5!8m2!3d52.5428128!4d13.5716785!16s%2Fg%2F1ts_5mmj',
+        ],
+        'employee' => [
+            [
+                '@type' => 'Physician',
+                'name' => 'Dr. med. Bianca Bischoff',
+                'jobTitle' => 'Fachärztin für Innere Medizin und Nephrologie',
+                'medicalSpecialty' => 'https://schema.org/Nephrology',
+            ],
+            [
+                '@type' => 'Physician',
+                'name' => 'Dr. med. Juliane Hoffzimmer',
+                'jobTitle' => 'Fachärztin für Innere Medizin und Nephrologie',
+                'medicalSpecialty' => 'https://schema.org/Nephrology',
+            ],
+            [
+                '@type' => 'Physician',
+                'name' => 'Dr. med. Claudia Körner',
+                'jobTitle' => 'Fachärztin für Innere Medizin',
+            ],
+        ],
+    ],
+];
+
+if ($canonicalUrl && $currentAction !== 'main') {
+    $schemaGraph[] = [
+        '@type' => 'BreadcrumbList',
+        'itemListElement' => [
+            [
+                '@type' => 'ListItem',
+                'position' => 1,
+                'name' => 'Startseite',
+                'item' => $baseUrl . '/',
+            ],
+            [
+                '@type' => 'ListItem',
+                'position' => 2,
+                'name' => trim(explode('|', $pageTitle)[0]),
+                'item' => $canonicalUrl,
+            ],
+        ],
+    ];
+}
 ?>
 <!DOCTYPE html>
 <html lang="de">
@@ -24,9 +160,28 @@ $currentAction = isset($action) ? $action : 'main';
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?=htmlspecialchars($pageTitle)?></title>
    
-    <meta name="language" content="de">
-    <meta name="description" content="Dialysezentrum Berlin-Mahlsdorf: Ganzjährige Feriendialysen und individuelle Betreuung im modernen Zentrum für Nephrologie und Dialyse.">
-    <meta name="robots" content="index, follow">
+    <meta name="description" content="<?=htmlspecialchars($pageDescription)?>">
+    <meta name="robots" content="<?=htmlspecialchars($robotsMeta)?>">
+    <?php if($canonicalUrl): ?>
+    <link rel="canonical" href="<?=htmlspecialchars($canonicalUrl)?>">
+    <?php endif; ?>
+
+    <!-- Open Graph / Link Preview Meta Tags -->
+    <meta property="og:type" content="website">
+    <meta property="og:locale" content="de_DE">
+    <meta property="og:site_name" content="Dialysezentrum Berlin-Mahlsdorf">
+    <meta property="og:title" content="<?=htmlspecialchars($pageTitle)?>">
+    <meta property="og:description" content="<?=htmlspecialchars($pageDescription)?>">
+    <?php if($canonicalUrl): ?>
+    <meta property="og:url" content="<?=htmlspecialchars($canonicalUrl)?>">
+    <?php endif; ?>
+    <meta property="og:image" content="<?=$baseUrl?>/img/gallery/praxis1.jpg">
+    <meta property="og:image:width" content="1024">
+    <meta property="og:image:height" content="768">
+    <meta property="og:image:alt" content="Dialysezentrum Berlin-Mahlsdorf – Praxisgebäude in der Thorner Straße 1">
+
+    <!-- Schema.org Structured Data (JSON-LD) -->
+    <script type="application/ld+json"><?=json_encode(['@context' => 'https://schema.org', '@graph' => $schemaGraph], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE)?></script>
    
    <link rel="icon" href="/img/favicon.ico?v=<?=filemtime(__DIR__ . '/../img/favicon.ico')?>" type="image/x-icon">
    <link rel="icon" href="/img/favicon.png?v=<?=filemtime(__DIR__ . '/../img/favicon.png')?>" type="image/png">
@@ -42,32 +197,33 @@ $currentAction = isset($action) ? $action : 'main';
 </head>

 <body>
+<a href="#main-content" class="skip-link">Zum Hauptinhalt springen</a>
 <div id="outer-container">

    <!-- Top Info Bar -->
    <div class="top-bar">
        <div class="container top-bar-inner">
            <div class="top-bar-left">
-                <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn" target="_blank" rel="noopener noreferrer" class="top-bar-item top-bar-addr-main" title="Zentrumsdialyse Berlin-Mahlsdorf in Google Maps öffnen">
-                    <svg class="top-bar-icon" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf/@52.5078291,13.6092903,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9c57f7f:0xad4486f559442067!8m2!3d52.5078291!4d13.6092903!16s%2Fg%2F1tdqghgn" target="_blank" rel="noopener noreferrer" class="top-bar-item top-bar-addr-main" title="Zentrumsdialyse Berlin-Mahlsdorf in Google Maps öffnen" aria-label="Zentrumsdialyse: Thorner Str. 1, 12623 Berlin (in Google Maps öffnen)">
+                    <svg class="top-bar-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                    <span>Thorner Str. 1, 12623 Berlin</span>
                </a>
-                <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf+LC/@52.5428128,13.5716785,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9d5111b:0xda0b4785760166c5!8m2!3d52.5428128!4d13.5716785!16s%2Fg%2F1ts_5mmj" target="_blank" rel="noopener noreferrer" class="top-bar-item top-bar-addr-satellite" title="Satellitendialyse Marzahn in Google Maps öffnen">
-                    <svg class="top-bar-icon" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                <a href="https://www.google.com/maps/place/Dialysezentrum+Berlin-Mahlsdorf+LC/@52.5428128,13.5716785,17z/data=!3m1!4b1!4m6!3m5!1s0x47a84991f9d5111b:0xda0b4785760166c5!8m2!3d52.5428128!4d13.5716785!16s%2Fg%2F1ts_5mmj" target="_blank" rel="noopener noreferrer" class="top-bar-item top-bar-addr-satellite" title="Satellitendialyse Marzahn in Google Maps öffnen" aria-label="Satellitendialyse: Blumberger Damm 130, 12685 Berlin (in Google Maps öffnen)">
+                    <svg class="top-bar-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                    <span>Satellit: Blumberger Damm 130, 12685 Berlin</span>
                </a>
            </div>
            <div class="top-bar-right">
                <a href="tel:0305662484" title="Telefon Dialyse">
-                    <svg class="top-bar-icon" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                    <svg class="top-bar-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                    Dialyse: 030 / 566 24 84
                </a>
                <a href="tel:0305662539" title="Telefon Ambulanz">
-                    <svg class="top-bar-icon" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                    <svg class="top-bar-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                    Ambulanz: 030 / 566 25 39
                </a>
                <a href="javascript:void(0);" class="mail-obf" data-usr="kontakt" data-dom="dialyse-berlin" data-tld="net" title="E-Mail schreiben" style="font-weight: 600;">
-                    <svg class="top-bar-icon" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
+                    <svg class="top-bar-icon" aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
                    <span class="mail-val c-rev">net.nilreb-esylaid&#64;tkatnok</span>
                </a>
            </div>
@@ -80,22 +236,23 @@ $currentAction = isset($action) ? $action : 'main';
            <a href="/" class="site-logo" title="Dialysezentrum Berlin-Mahlsdorf &ndash; Startseite">
                <img src="/img/logo_dialysezentrum.png?v=<?=filemtime(__DIR__ . '/../img/logo_dialysezentrum.png')?>" 
                     alt="Dialysezentrum Berlin-Mahlsdorf &ndash; Zentrum für Nephrologie &amp; Dialyse" 
+                     width="915" height="199"
                     class="site-logo-img">
            </a>

            <!-- Navigation Menu -->
-            <nav id="siteNav">
+            <nav id="siteNav" aria-label="Hauptnavigation">
                <?php include('view/navigation.php'); ?>
            </nav>

            <!-- Actions & Mobile Toggle -->
            <div class="header-actions">
                <a href="/kontakt.html" class="header-cta-btn">
-                    <svg viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
                    <span>Kontakt / Termin</span>
                </a>
-                <button class="nav-toggle" id="navToggle" aria-label="Menü öffnen" aria-expanded="false">
-                    <svg viewBox="0 0 24 24" id="toggleIcon"><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>
+                <button class="nav-toggle" id="navToggle" aria-label="Menü öffnen" aria-expanded="false" aria-controls="navMenu">
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24" id="toggleIcon"><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>
                </button>
            </div>
        </div>
@@ -103,14 +260,14 @@ $currentAction = isset($action) ? $action : 'main';

    <!-- Holiday / Announcement Dialog (if configured) -->
    <?php if(Helper::isHoliday($config) && $session->get('dialog') != 'dismissed'): ?>
-        <div id="holiday-wrapper" class="holiday-notice-banner">
+        <div id="holiday-wrapper" class="holiday-notice-banner" role="region" aria-label="Aktueller Praxishinweis">
            <div class="container holiday-notice-inner">
                <div class="holiday-notice-content">
-                    <svg viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>
                    <div><?=Helper::parseHolidays($config)?></div>
                </div>
                <button type="button" class="holiday-dismiss-btn" data-dismiss="dialog">
-                    <span>&#x2715; Schließen</span>
+                    <span aria-hidden="true">&#x2715;</span> <span>Schließen</span>
                </button>
            </div>
        </div>
@@ -118,11 +275,11 @@ $currentAction = isset($action) ? $action : 'main';

    <!-- Hero / Motto Banner on Homepage -->
    <?php if($currentAction === 'main'): ?>
-        <section class="hero-banner">
+        <section class="hero-banner" aria-label="Willkommensbereich">
            <div class="container">
                <div class="hero-content">
                    <div class="hero-badge">
-                        <span>&#x2714;</span> &bdquo;Die individuelle Dialyse im grünen Gürtel von Berlin&ldquo;
+                        <span aria-hidden="true">&#x2714;</span> &bdquo;Die individuelle Dialyse im grünen Gürtel von Berlin&ldquo;
                    </div>
                    <h1 class="hero-title">Dialysezentrum Berlin-Mahlsdorf</h1>
                    <div class="hero-subtitle">
@@ -135,11 +292,12 @@ $currentAction = isset($action) ? $action : 'main';
                        <a href="/leistungen.html" class="btn btn-primary">Unsere Leistungen</a>
                        <a href="/praxis.html" class="btn btn-secondary">Praxis &amp; Öffnungszeiten</a>
                        <a href="/kontakt.html" class="btn btn-outline">Kontakt aufnehmen</a>
+                        <a href="/ersttermin.html" class="btn btn-outline">Infos zum 1. Termin</a>
                    </div>
                </div>
            </div>
-            <div class="hero-wave">
-                <svg viewBox="0 0 1000 100" preserveAspectRatio="none">
+            <div class="hero-wave" aria-hidden="true">
+                <svg aria-hidden="true" focusable="false" viewBox="0 0 1000 100" preserveAspectRatio="none">
                    <path class="shape-fill" d="M421.9,6.5c22.6-2.5,51.5,0.4,75.5,5.3c23.6,4.9,70.9,23.5,100.5,35.7c75.8,32.2,133.7,44.5,192.6,49.7 c23.6,2.1,48.7,3.5,103.4-2.5c54.7-6,106.2-25.6,106.2-25.6V100H0V30.3c0,0,72,32.6,158.4,30.5c39.2-0.7,92.8-6.7,134-22.4 c21.2-8.1,52.2-18.2,79.7-24.2C399.3,7.9,411.6,7.5,421.9,6.5z"></path>
                </svg>
            </div>
@@ -148,17 +306,17 @@ $currentAction = isset($action) ? $action : 'main';
        <div class="page-banner">
            <div class="container page-banner-inner">
                <div>
-                    <div class="breadcrumb">
-                        <a href="/">Startseite</a> &rsaquo;
-                        <span><?=htmlspecialchars(explode('|', $pageTitle)[0])?></span>
-                    </div>
+                    <nav class="breadcrumb" aria-label="Brotkrumennavigation">
+                        <a href="/">Startseite</a> <span aria-hidden="true">&rsaquo;</span>
+                        <span aria-current="page"><?=htmlspecialchars(trim(explode('|', $pageTitle)[0]))?></span>
+                    </nav>
                </div>
            </div>
        </div>
    <?php endif; ?>

    <!-- Main Content Area -->
-    <main class="site-main">
+    <main id="main-content" class="site-main" tabindex="-1">
        <div class="container">
            <div class="content-card">
                <?=$content?>
@@ -178,11 +336,11 @@ $currentAction = isset($action) ? $action : 'main';
                    Individuelle nephrologische Betreuung und ganzjährige Feriendialysen mit moderner Medizintechnik.
                </p>
                <div class="footer-contact-item">
-                    <svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                    <span><strong>Zentrumsdialyse:</strong> Thorner Straße 1, 12623 Berlin</span>
                </div>
                <div class="footer-contact-item">
-                    <svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5a2.5 2.5 0 0 1 0-5 2.5 2.5 0 0 1 0 5z"/></svg>
                    <span><strong>Satellitendialyse:</strong> Blumberger Damm 130, 12685 Berlin</span>
                </div>
            </div>
@@ -191,12 +349,13 @@ $currentAction = isset($action) ? $action : 'main';
            <div>
                <div class="footer-col-title">Navigation</div>
                <ul class="footer-links">
-                    <li><a href="/">&rsaquo; Startseite</a></li>
-                    <li><a href="/leistungen.html">&rsaquo; Leistungen</a></li>
-                    <li><a href="/praxis.html">&rsaquo; Praxisausstattung</a></li>
-                    <li><a href="/team.html">&rsaquo; Unser Team</a></li>
-                    <li><a href="/kontakt.html">&rsaquo; Kontakt &amp; Anfahrt</a></li>
-                    <li><a href="/kontakt-formular.html">&rsaquo; Kontaktformular</a></li>
+                    <li><a href="/"><span aria-hidden="true">&rsaquo;</span> Startseite</a></li>
+                    <li><a href="/leistungen.html"><span aria-hidden="true">&rsaquo;</span> Leistungen</a></li>
+                    <li><a href="/praxis.html"><span aria-hidden="true">&rsaquo;</span> Praxisausstattung</a></li>
+                    <li><a href="/team.html"><span aria-hidden="true">&rsaquo;</span> Unser Team</a></li>
+                    <li><a href="/ersttermin.html"><span aria-hidden="true">&rsaquo;</span> Infos zum 1. Termin</a></li>
+                    <li><a href="/kontakt.html"><span aria-hidden="true">&rsaquo;</span> Kontakt &amp; Anfahrt</a></li>
+                    <li><a href="/kontakt-formular.html"><span aria-hidden="true">&rsaquo;</span> Kontaktformular</a></li>
                </ul>
            </div>

@@ -204,20 +363,20 @@ $currentAction = isset($action) ? $action : 'main';
            <div>
                <div class="footer-col-title">Kontakt &amp; Erreichbarkeit</div>
                <div class="footer-contact-item">
-                    <svg viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                    <span>Dialyse: <strong>030 / 566 24 84</strong></span>
                </div>
                <div class="footer-contact-item">
-                    <svg viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>
                    <span>Ambulanz: <strong>030 / 566 25 39</strong></span>
                </div>
                <div class="footer-contact-item">
-                    <svg viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>
                    <span>E-Mail: <a href="javascript:void(0);" class="mail-obf" data-usr="kontakt" data-dom="dialyse-berlin" data-tld="net" style="color: #cbd5e1; font-weight:600;"><span class="mail-val c-rev">net.nilreb-esylaid&#64;tkatnok</span></a></span>
                </div>
                <div class="footer-contact-item">
-                    <svg viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5 14H7v-2h7v2zm3-4H7v-2h10v2zm0-4H7V7h10v2z"/></svg>
-                    <span><a href="/files/dialyse_flyer.pdf" target="_blank" style="color: #38bdf8; font-weight:600;">&raquo; Praxis-Flyer herunterladen (PDF)</a></span>
+                    <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5 14H7v-2h7v2zm3-4H7v-2h10v2zm0-4H7V7h10v2z"/></svg>
+                    <span><a href="/files/dialyse_flyer.pdf" target="_blank" rel="noopener" style="color: #38bdf8; font-weight:600;"><span aria-hidden="true">&raquo;</span> Praxis-Flyer herunterladen (PDF)</a></span>
                </div>
            </div>
        </div>
@@ -281,6 +440,7 @@ $currentAction = isset($action) ? $action : 'main';
            var isOpen = $navMenu.hasClass('is-open');
            $navMenu.toggleClass('is-open');
            $navToggle.attr('aria-expanded', !isOpen);
+            $navToggle.attr('aria-label', !isOpen ? 'Menü schließen' : 'Menü öffnen');
            
            // Toggle hamburger icon to X
            if(!isOpen) {
@@ -295,7 +455,7 @@ $currentAction = isset($action) ? $action : 'main';
            if (!$(e.target).closest('#siteNav, #navToggle').length) {
                if ($navMenu.hasClass('is-open')) {
                    $navMenu.removeClass('is-open');
-                    $navToggle.attr('aria-expanded', 'false');
+                    $navToggle.attr('aria-expanded', 'false').attr('aria-label', 'Menü öffnen');
                    $('#toggleIcon').html('<path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/>');
                }
            }
@@ -305,7 +465,7 @@ $currentAction = isset($action) ? $action : 'main';
        $(document).on('keydown', function(e) {
            if (e.key === 'Escape' && $navMenu.hasClass('is-open')) {
                $navMenu.removeClass('is-open');
-                $navToggle.attr('aria-expanded', 'false');
+                $navToggle.attr('aria-expanded', 'false').attr('aria-label', 'Menü öffnen').trigger('focus');
                $('#toggleIcon').html('<path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/>');
            }
        });
@@ -3,7 +3,7 @@
 <div class="grid-2" style="margin-bottom: 2rem;">
    <!-- Praxis & Kontaktangaben -->
    <div class="card">
-        <h3 style="color: var(--primary-dark); margin-bottom: 1rem;">Angaben gemäß &sect; 5 DDG</h3>
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); margin-bottom: 1rem;">Angaben gemäß &sect; 5 DDG</h2>
        <p>
            <strong>Dialysezentrum Berlin-Mahlsdorf</strong><br>
            Zentrum für Nephrologie und Dialyse<br>
@@ -12,13 +12,13 @@
            12623 Berlin
        </p>
        
-        <h4 style="color: var(--primary-dark); margin-top: 1.25rem; margin-bottom: 0.5rem; font-size: 1rem;">Zweitstandort (Satellitendialyse)</h4>
+        <h3 style="color: var(--primary-dark); margin-top: 1.25rem; margin-bottom: 0.5rem; font-size: 1rem;">Zweitstandort (Satellitendialyse)</h3>
        <p>
            Blumberger Damm 130 (Eingang: Pritzhagener Weg 21)<br>
            12685 Berlin
        </p>

-        <h4 style="color: var(--primary-dark); margin-top: 1.25rem; margin-bottom: 0.5rem; font-size: 1rem;">Kontakt</h4>
+        <h3 style="color: var(--primary-dark); margin-top: 1.25rem; margin-bottom: 0.5rem; font-size: 1rem;">Kontakt</h3>
        <p style="margin-bottom: 0;">
            Telefon (Dialyse): <a href="tel:+49305662484">+49 30 5662484</a><br>
            Telefon (Ambulanz): <a href="tel:+49305662539">+49 30 5662539</a><br>
@@ -29,7 +29,7 @@

    <!-- Berufsbezeichnung & Kammern -->
    <div class="card">
-        <h3 style="color: var(--primary-dark); margin-bottom: 1rem;">Berufsbezeichnung &amp; Aufsicht</h3>
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); margin-bottom: 1rem;">Berufsbezeichnung &amp; Aufsicht</h2>
        <p>
            <strong>Gesetzliche Berufsbezeichnung:</strong> Ärztin / Fachärztin für Innere Medizin und Nephrologie<br>
            <em>Berufsbezeichnungen verliehen in der Bundesrepublik Deutschland</em>
@@ -50,7 +50,18 @@
 </div>

 <div class="card" style="margin-bottom: 2rem;">
-    <h3 style="color: var(--primary-dark); margin-bottom: 0.75rem;">Berufsrechtliche Regelungen</h3>
+    <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); margin-bottom: 0.75rem;">Beauftragter für Medizinproduktesicherheit (&sect; 6 MPBetreibV)</h2>
+    <p>
+        Gemäß &sect; 6 der Medizinprodukte-Betreiberverordnung (MPBetreibV) steht für Behörden, Hersteller und Vertreiber von Medizinprodukten eine zentrale Kontaktstelle für Meldungen über Risiken von Medizinprodukten sowie zur Umsetzung notwendiger Sicherheits- und Korrekturmaßnahmen zur Verfügung:
+    </p>
+    <p style="margin-bottom: 0;">
+        <strong>Ansprechpartner Medizintechnik:</strong>
+        <a href="javascript:void(0);" class="mail-obf" data-usr="medizintechnik" data-dom="dialyse-berlin" data-tld="net" style="font-weight: 600;"><span class="mail-val c-rev">net.nilreb-esylaid&#64;kinhcetnizidem</span></a>
+    </p>
+</div>
+
+<div class="card" style="margin-bottom: 2rem;">
+    <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); margin-bottom: 0.75rem;">Berufsrechtliche Regelungen</h2>
    <ul style="margin-bottom: 0.75rem;">
        <li>Berufsordnung der Ärztekammer Berlin</li>
        <li>Berliner Heilberufekammergesetz (BlnHKG)</li>
@@ -61,7 +72,7 @@
 </div>

 <div class="card">
-    <h3 style="color: var(--primary-dark); margin-bottom: 0.75rem;">Haftungshinweis &amp; Urheberrecht</h3>
+    <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); margin-bottom: 0.75rem;">Haftungshinweis &amp; Urheberrecht</h2>
    <p>
        Trotz sorgfältiger inhaltlicher Kontrolle übernehmen wir keine Haftung für die Inhalte externer Links. Für den Inhalt der verlinkten Seiten sind ausschließlich deren Betreiber verantwortlich.
    </p>
@@ -1,4 +1,4 @@
-<h1>Wir wollen, dass Sie sich bei uns wohlfühlen!</h1>
+<h2 class="h1-style">Wir wollen, dass Sie sich bei uns wohlfühlen!</h2>

 <p class="lead" style="font-size: 1.15rem; color: var(--primary-dark); font-weight: 500; margin-bottom: 2rem;">
    Unser Dialysezentrum bietet Ihnen verschiedene Dialyseverfahren unter Nutzung moderner Technik der
@@ -56,12 +56,12 @@
    </div>
    <div>
        <a href="/img/gallery/praxis1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis1.jpg')?>" data-lightbox="main" data-title="Die Praxis von außen" class="gallery-item" style="display: block;">
-            <img src="/img/gallery/praxis1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis1.jpg')?>" alt="Die Praxis von außen">
+            <img src="/img/gallery/praxis1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis1.jpg')?>" alt="Die Praxis von außen" width="1024" height="768" loading="lazy" decoding="async">
            <div class="gallery-overlay">
                <span class="gallery-caption">Die Praxis von außen &bull; Thorner Straße</span>
            </div>
-            <div class="gallery-zoom-icon">
-                <svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>
+            <div class="gallery-zoom-icon" aria-hidden="true">
+                <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>
            </div>
        </a>
    </div>
@@ -70,12 +70,12 @@
 <div class="grid-2" style="align-items: center; margin-bottom: 2.5rem;">
    <div>
        <a href="/img/gallery/startseite1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/startseite1.jpg')?>" data-lightbox="main" data-title="Sprechzimmer" class="gallery-item" style="display: block;">
-            <img src="/img/gallery/startseite1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/startseite1.jpg')?>" alt="Sprechzimmer">
+            <img src="/img/gallery/startseite1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/startseite1.jpg')?>" alt="Sprechzimmer" width="632" height="1024" loading="lazy" decoding="async">
            <div class="gallery-overlay">
                <span class="gallery-caption">Modern ausgestattetes Sprechzimmer</span>
            </div>
-            <div class="gallery-zoom-icon">
-                <svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>
+            <div class="gallery-zoom-icon" aria-hidden="true">
+                <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>
            </div>
        </a>
    </div>
@@ -88,8 +88,8 @@
            Für eine effiziente Betreuung der Patienten pflegen wir eine enge Zusammenarbeit mit den Haus- und Fachärzten und kooperieren mit den umliegenden Krankenhäusern, um Patienten auch während eines Krankenhausaufenthaltes Dialyseleistungen anbieten zu können.
        </p>
        <div style="margin-top: 1.5rem; display: flex; gap: 0.75rem; flex-wrap: wrap;">
-            <a href="/leistungen.html" class="btn btn-primary btn-sm">Mehr zu den Leistungen &raquo;</a>
-            <a href="/praxis.html" class="btn btn-secondary btn-sm">Praxisausstattung &amp; Zeiten &raquo;</a>
+            <a href="/leistungen.html" class="btn btn-primary btn-sm">Mehr zu den Leistungen <span aria-hidden="true">&raquo;</span></a>
+            <a href="/praxis.html" class="btn btn-secondary btn-sm">Praxisausstattung &amp; Zeiten <span aria-hidden="true">&raquo;</span></a>
        </div>
    </div>
 </div>
@@ -3,9 +3,9 @@
 $current = isset($action) ? $action : 'main';
 ?>
 <ul class="nav-menu" id="navMenu">
-    <li class="nav-item"><a href="/" class="nav-link <?=$current === 'main' ? 'active' : ''?>">Startseite</a></li>
-    <li class="nav-item"><a href="/leistungen.html" class="nav-link <?=$current === 'leistungen' ? 'active' : ''?>">Leistungen</a></li>
-    <li class="nav-item"><a href="/praxis.html" class="nav-link <?=$current === 'praxis' ? 'active' : ''?>">Praxis</a></li>
-    <li class="nav-item"><a href="/team.html" class="nav-link <?=$current === 'team' ? 'active' : ''?>">Team</a></li>
-    <li class="nav-item"><a href="/kontakt.html" class="nav-link <?=in_array($current, ['kontakt', 'kontakt-formular']) ? 'active' : ''?>">Kontakt</a></li>
+    <li class="nav-item"><a href="/" class="nav-link <?=$current === 'main' ? 'active' : ''?>" <?=$current === 'main' ? 'aria-current="page"' : ''?>>Startseite</a></li>
+    <li class="nav-item"><a href="/leistungen.html" class="nav-link <?=$current === 'leistungen' ? 'active' : ''?>" <?=$current === 'leistungen' ? 'aria-current="page"' : ''?>>Leistungen</a></li>
+    <li class="nav-item"><a href="/praxis.html" class="nav-link <?=$current === 'praxis' ? 'active' : ''?>" <?=$current === 'praxis' ? 'aria-current="page"' : ''?>>Praxis</a></li>
+    <li class="nav-item"><a href="/team.html" class="nav-link <?=$current === 'team' ? 'active' : ''?>" <?=$current === 'team' ? 'aria-current="page"' : ''?>>Team</a></li>
+    <li class="nav-item"><a href="/kontakt.html" class="nav-link <?=in_array($current, ['kontakt', 'kontakt-formular', 'ersttermin']) ? 'active' : ''?>" <?=in_array($current, ['kontakt', 'kontakt-formular', 'ersttermin']) ? 'aria-current="page"' : ''?>>Kontakt</a></li>
 </ul>
@@ -7,50 +7,50 @@
 <!-- Praxisausstattung Grid -->
 <div class="grid-2" style="margin-bottom: 2.5rem;">
    <div class="card">
-        <h3 style="color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem;">
-            <svg style="width: 20px; height: 20px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem;">
+            <svg aria-hidden="true" focusable="false" style="width: 20px; height: 20px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
            Diagnostik &amp; Plätze
-        </h3>
+        </h2>
        <ul style="list-style: none; padding: 0; margin: 0;">
            <li style="display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.75rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>Ambulanz:</strong> Sonographie, EKG, 24 Std. Blutdruckmessung</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.75rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>Zentrumsdialyse:</strong> 16 Behandlungsplätze</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.75rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>Satellitendialyse:</strong> 18 Behandlungsplätze</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.5rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>Osmoseaufbereitungsanlage</strong> nach neuesten Standards</span>
            </li>
        </ul>
    </div>

    <div class="card">
-        <h3 style="color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem;">
-            <svg style="width: 20px; height: 20px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 14H9V8h2v8zm4 0h-2V8h2v8z"/></svg>
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem;">
+            <svg aria-hidden="true" focusable="false" style="width: 20px; height: 20px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 14H9V8h2v8zm4 0h-2V8h2v8z"/></svg>
            Geräte &amp; Dialysetechnik
-        </h3>
+        </h2>
        <ul style="list-style: none; padding: 0; margin: 0;">
            <li style="display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.75rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>Nikkiso DBB-07 und Nikkiso DBB-EXA</strong> Dialysegeräte mit integriertem <strong>Haemo-Master (BV-UFC/COC)</strong></span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.75rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>BCM (Body Composition Monitor)</strong> von Fresenius zur bioelektrischen Messung des Flüssigkeitsstatus und Optimalgewichts</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.75rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span>Breite Palette an <strong>High- und Low-Flux Dialysatoren</strong></span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.5rem;">
-                <span style="color: var(--accent); font-weight: bold;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold;">&#x2713;</span>
                <span><strong>Laborgeräte:</strong> Säure-Basen-Messgerät und Elektrolyt-Messgerät</span>
            </li>
        </ul>
@@ -64,7 +64,7 @@
    <!-- Dialyse Schichten Card -->
    <div class="schedule-card">
        <div class="schedule-header">
-            <svg viewBox="0 0 24 24"><path d="M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm.5-13H11v6l5.25 3.15.75-1.23-4.5-2.67z"/></svg>
+            <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm.5-13H11v6l5.25 3.15.75-1.23-4.5-2.67z"/></svg>
            <h3 class="schedule-title">Dialyse-Schichten</h3>
        </div>
        <ul class="schedule-list">
@@ -94,7 +94,7 @@
    <!-- Ambulanz Zeiten Card -->
    <div class="schedule-card">
        <div class="schedule-header">
-            <svg viewBox="0 0 24 24"><path d="M19 3h-1V1h-2v2H8V1H6v2H5c-1.11 0-1.99.9-1.99 2L3 19c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V8h14v11zM7 10h5v5H7z"/></svg>
+            <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M19 3h-1V1h-2v2H8V1H6v2H5c-1.11 0-1.99.9-1.99 2L3 19c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V8h14v11zM7 10h5v5H7z"/></svg>
            <h3 class="schedule-title">Ambulanz-Sprechzeiten</h3>
        </div>
        <ul class="schedule-list">
@@ -127,33 +127,33 @@

 <div class="gallery-grid">
    <a href="/img/gallery/praxis3.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis3.jpg')?>" data-lightbox="practice" data-title="Freundlicher Wartebereich &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/praxis3.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis3.jpg')?>" alt="Freundlicher Wartebereich">
+        <img src="/img/gallery/praxis3.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis3.jpg')?>" alt="Freundlicher Wartebereich" width="1024" height="768" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Freundlicher Wartebereich</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/praxis4.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis4.jpg')?>" data-lightbox="practice" data-title="Nikkiso DBB-EXA Dialysegeräte &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/praxis4.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis4.jpg')?>" alt="Moderne Nikkiso DBB-EXA Dialysegeräte">
+        <img src="/img/gallery/praxis4.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis4.jpg')?>" alt="Moderne Nikkiso DBB-EXA Dialysegeräte" width="682" height="1024" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Nikkiso DBB-EXA Dialysegeräte</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/praxis5.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis5.jpg')?>" data-lightbox="practice" data-title="Gepflegter Vorgarten &amp; Außenbereich &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/praxis5.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis5.jpg')?>" alt="Gepflegter Vorgarten und Außenbereich der Praxis">
+        <img src="/img/gallery/praxis5.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis5.jpg')?>" alt="Gepflegter Vorgarten und Außenbereich der Praxis" width="1200" height="800" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Vorgarten &amp; Außenbereich</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/praxis6.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis6.jpg')?>" data-lightbox="practice" data-title="Die Praxis von außen &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/praxis6.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis6.jpg')?>" alt="Die Praxis von außen">
+        <img src="/img/gallery/praxis6.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis6.jpg')?>" alt="Die Praxis von außen" width="1024" height="768" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Die Praxis von außen</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/praxis7.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis7.jpg')?>" data-lightbox="practice" data-title="Empfang &amp; Anmeldung &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/praxis7.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis7.jpg')?>" alt="Empfang und Anmeldung im Dialysezentrum">
+        <img src="/img/gallery/praxis7.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis7.jpg')?>" alt="Empfang und Anmeldung im Dialysezentrum" width="1024" height="560" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Empfang &amp; Anmeldung</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/praxis8.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis8.jpg')?>" data-lightbox="practice" data-title="Ärztliches Sprechzimmer &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/praxis8.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis8.jpg')?>" alt="Ärztliches Sprechzimmer und Untersuchungsraum">
+        <img src="/img/gallery/praxis8.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/praxis8.jpg')?>" alt="Ärztliches Sprechzimmer und Untersuchungsraum" width="1024" height="771" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Ärztliches Sprechzimmer</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
 </div>
@@ -7,50 +7,50 @@
 <!-- Leistungsübersicht -->
 <div class="grid-2" style="margin-bottom: 2.5rem;">
    <div class="card">
-        <h3 style="color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;">
-            <svg style="width: 22px; height: 22px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;">
+            <svg aria-hidden="true" focusable="false" style="width: 22px; height: 22px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
            Nephrologische Ambulanz
-        </h3>
+        </h2>
        <ul style="list-style: none; padding: 0; margin: 0;">
            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span>Umfassende <strong>Diagnostik und Therapie</strong> akuter und chronischer Nierenerkrankungen</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span>Optimale <strong>Blutdruck- und Blutzuckereinstellung</strong> als wesentlicher Therapieschwerpunkt</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span>Spezialisierte Betreuung <strong>niereninsuffizienter Diabetiker</strong></span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.6rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span><strong>Ultraschalldiagnostik (Sonographie)</strong> der Nieren und Bauchorgane (Abdomen)</span>
            </li>
        </ul>
    </div>

    <div class="card">
-        <h3 style="color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;">
-            <svg style="width: 22px; height: 22px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/></svg>
+        <h2 style="font-size: 1.25rem; margin-top: 0; color: var(--primary-dark); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;">
+            <svg aria-hidden="true" focusable="false" style="width: 22px; height: 22px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/></svg>
            Dialyse &amp; Betreuung
-        </h3>
+        </h2>
        <ul style="list-style: none; padding: 0; margin: 0;">
            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span><strong>Hämodialyse (HD)</strong> und <strong>Hämodiafiltration (HDF / Online-HDF)</strong> mit Nikkiso <strong>Haemo-Master</strong></span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span><strong>Bioelektrische Messung des Flüssigkeitsstatus</strong> mit dem Fresenius BCM</span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span><strong>Transplantationsvorbereitung</strong> und langfristige <strong>Nachsorge nach Nierentransplantation</strong></span>
            </li>
            <li style="display: flex; align-items: flex-start; gap: 0.6rem;">
-                <span style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
+                <span aria-hidden="true" style="color: var(--accent); font-weight: bold; font-size: 1.1rem;">&#x2713;</span>
                <span>Individuelle <strong>Ernährungsberatung</strong> für Nieren- und Dialysepatienten</span>
            </li>
        </ul>
@@ -60,8 +60,8 @@
 <!-- Highlight 1: BCM Fresenius -->
 <div class="highlight-panel">
    <span class="highlight-badge">Präzise Diagnostik</span>
-    <h2 class="highlight-panel-title">
-        <svg style="width: 24px; height: 24px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
+    <h2 class="highlight-panel-title" style="margin-top: 0;">
+        <svg aria-hidden="true" focusable="false" style="width: 24px; height: 24px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-2 10h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
        Bestimmung des Flüssigkeitsstatus mit dem BCM (Body Composition Monitor) von Fresenius
    </h2>
    <p>
@@ -74,13 +74,13 @@
    <div class="condition-grid">
        <div class="condition-card condition-warning">
            <div class="condition-title">
-                <span>&#x26A0;</span> Überwässerung (Hyperhydratation)
+                <span aria-hidden="true">&#x26A0;</span> Überwässerung (Hyperhydratation)
            </div>
            <div>Kann zu Bluthochdruck und Gewebsödemen bis hin zum lebensbedrohlichen Lungenödem führen.</div>
        </div>
        <div class="condition-card condition-info">
            <div class="condition-title">
-                <span>&#x2139;</span> Unterwässerung (Dehydratation)
+                <span aria-hidden="true">&#x2139;</span> Unterwässerung (Dehydratation)
            </div>
            <div>Kann schwere Blutdruckabfälle, schmerzhafte Muskelkrämpfe und Kopfschmerzen verursachen.</div>
        </div>
@@ -94,8 +94,8 @@
 <!-- Highlight 2: Haemo-Master Nikkiso -->
 <div class="highlight-panel">
    <span class="highlight-badge">Schonende &amp; Individuelle Dialyse</span>
-    <h2 class="highlight-panel-title">
-        <svg style="width: 24px; height: 24px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 14H9V8h2v8zm4 0h-2V8h2v8z"/></svg>
+    <h2 class="highlight-panel-title" style="margin-top: 0;">
+        <svg aria-hidden="true" focusable="false" style="width: 24px; height: 24px; fill: var(--accent);" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 14H9V8h2v8zm4 0h-2V8h2v8z"/></svg>
        Blutvolumenmonitoring &amp; Biofeedback-Regelung mit dem Haemo-Master von Nikkiso
    </h2>
    <p>
@@ -115,33 +115,33 @@

 <div class="gallery-grid">
    <a href="/img/gallery/behandlung1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/behandlung1.jpg')?>" data-lightbox="services" data-title="Individueller Dialyseplatz &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/behandlung1_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/behandlung1_thumb.jpg')?>" alt="Individueller Dialyseplatz mit Nikkiso DBB-EXA">
+        <img src="/img/gallery/behandlung1_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/behandlung1_thumb.jpg')?>" alt="Individueller Dialyseplatz mit Nikkiso DBB-EXA" width="600" height="400" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Individueller Dialyseplatz</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/behandlung2.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/behandlung2.jpg')?>" data-lightbox="services" data-title="Dialyseplatz mit Nikkiso-Technik &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/behandlung2_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/behandlung2_thumb.jpg')?>" alt="Dialyseplatz mit Nikkiso Dialysegerät">
+        <img src="/img/gallery/behandlung2_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/behandlung2_thumb.jpg')?>" alt="Dialyseplatz mit Nikkiso Dialysegerät" width="600" height="400" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Dialyseplatz mit Nikkiso-Technik</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/leistung1.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung1.jpg')?>" data-lightbox="services" data-title="Komfort-Dialyseplatz am Fenster &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/leistung1_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung1_thumb.jpg')?>" alt="Komfort-Dialyseplatz am Fenster">
+        <img src="/img/gallery/leistung1_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung1_thumb.jpg')?>" alt="Komfort-Dialyseplatz am Fenster" width="600" height="446" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Komfort-Dialyseplatz am Fenster</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/leistung2.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung2.jpg')?>" data-lightbox="services" data-title="Blick in die Behandlungsräume &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/leistung2_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung2_thumb.jpg')?>" alt="Blick vom Flur in die hellen Behandlungsräume">
+        <img src="/img/gallery/leistung2_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung2_thumb.jpg')?>" alt="Blick vom Flur in die hellen Behandlungsräume" width="600" height="427" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Blick in die Behandlungsräume</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/leistung3.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung3.jpg')?>" data-lightbox="services" data-title="Dialyseraum mit Patienten-TV &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/leistung3_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung3_thumb.jpg')?>" alt="Dialyseraum mit mehreren Behandlungsplätzen und TV">
+        <img src="/img/gallery/leistung3_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung3_thumb.jpg')?>" alt="Dialyseraum mit mehreren Behandlungsplätzen und TV" width="600" height="425" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Dialyseraum mit Patienten-TV</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
    <a href="/img/gallery/leistung4.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung4.jpg')?>" data-lightbox="services" data-title="Dialyseplätze mit Blick ins Grüne &bull; Dialysezentrum Berlin-Mahlsdorf" class="gallery-item">
-        <img src="/img/gallery/leistung4_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung4_thumb.jpg')?>" alt="Dialyseplätze am Erkerfenster mit Blick ins Grüne">
+        <img src="/img/gallery/leistung4_thumb.jpg?v=<?=filemtime(__DIR__ . '/../img/gallery/leistung4_thumb.jpg')?>" alt="Dialyseplätze am Erkerfenster mit Blick ins Grüne" width="600" height="400" loading="lazy" decoding="async">
        <div class="gallery-overlay"><span class="gallery-caption">Dialyseplätze mit Blick ins Grüne</span></div>
-        <div class="gallery-zoom-icon"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
+        <div class="gallery-zoom-icon" aria-hidden="true"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div>
    </a>
 </div>
@@ -8,17 +8,17 @@
 <div class="grid-3" style="margin-bottom: 2.5rem;">
    <!-- Dr. med. Bianca Bischoff -->
    <div class="doctor-card">
-        <div class="doctor-avatar">
-            <svg viewBox="0 0 24 24"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>
+        <div class="doctor-avatar" aria-hidden="true">
+            <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>
        </div>
        <div class="doctor-info">
-            <h3 class="doctor-name">Dr. med. Bianca Bischoff</h3>
+            <h2 class="doctor-name" style="margin-top: 0;">Dr. med. Bianca Bischoff</h2>
            <div class="doctor-title">Fachärztin für Innere Medizin &amp; Nephrologie</div>
            <div class="doctor-meta">
                <div><strong>Approbation:</strong> 2002 in Berlin</div>
            </div>
            <div class="chamber-badge">
-                <svg style="width: 14px; height: 14px; fill: currentColor;" viewBox="0 0 24 24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 14px; height: 14px; fill: currentColor;" viewBox="0 0 24 24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>
                Mitglied der Ärztekammer Berlin
            </div>
        </div>
@@ -26,17 +26,17 @@

    <!-- Dr. med. Juliane Hoffzimmer -->
    <div class="doctor-card">
-        <div class="doctor-avatar">
-            <svg viewBox="0 0 24 24"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>
+        <div class="doctor-avatar" aria-hidden="true">
+            <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>
        </div>
        <div class="doctor-info">
-            <h3 class="doctor-name">Dr. med. Juliane Hoffzimmer</h3>
+            <h2 class="doctor-name" style="margin-top: 0;">Dr. med. Juliane Hoffzimmer</h2>
            <div class="doctor-title">Fachärztin für Innere Medizin &amp; Nephrologie</div>
            <div class="doctor-meta">
                <div><strong>Approbation:</strong> 2009 in Berlin</div>
            </div>
            <div class="chamber-badge">
-                <svg style="width: 14px; height: 14px; fill: currentColor;" viewBox="0 0 24 24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 14px; height: 14px; fill: currentColor;" viewBox="0 0 24 24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>
                Mitglied der Ärztekammer Berlin
            </div>
        </div>
@@ -44,17 +44,17 @@

    <!-- Dr. med. Claudia Körner -->
    <div class="doctor-card">
-        <div class="doctor-avatar">
-            <svg viewBox="0 0 24 24"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>
+        <div class="doctor-avatar" aria-hidden="true">
+            <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>
        </div>
        <div class="doctor-info">
-            <h3 class="doctor-name">Dr. med. Claudia Körner</h3>
+            <h2 class="doctor-name" style="margin-top: 0;">Dr. med. Claudia Körner</h2>
            <div class="doctor-title">Fachärztin für Innere Medizin</div>
            <div class="doctor-meta">
                <div><strong>Approbation:</strong> 2004 in Berlin</div>
            </div>
            <div class="chamber-badge">
-                <svg style="width: 14px; height: 14px; fill: currentColor;" viewBox="0 0 24 24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>
+                <svg aria-hidden="true" focusable="false" style="width: 14px; height: 14px; fill: currentColor;" viewBox="0 0 24 24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>
                Mitglied der Ärztekammer Berlin
            </div>
        </div>
@@ -64,8 +64,8 @@
 <!-- Mitarbeiter & Pflegekräfte Card -->
 <div class="card" style="background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%); border-left: 4px solid var(--accent); padding: clamp(1.25rem, 3vw, 2rem);">
    <div style="display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap;">
-        <div style="width: 60px; height: 60px; border-radius: var(--radius-full); background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 4px 10px rgba(2, 132, 199, 0.25);">
-            <svg style="width: 32px; height: 32px; fill: currentColor;" viewBox="0 0 24 24"><path d="M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z"/></svg>
+        <div aria-hidden="true" style="width: 60px; height: 60px; border-radius: var(--radius-full); background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 4px 10px rgba(2, 132, 199, 0.25);">
+            <svg aria-hidden="true" focusable="false" style="width: 32px; height: 32px; fill: currentColor;" viewBox="0 0 24 24"><path d="M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z"/></svg>
        </div>
        <div style="flex: 1 1 200px; min-width: 0;">
            <h2 style="margin: 0 0 0.5rem 0; font-size: 1.4rem; color: var(--primary-dark);">
Author	SHA1	Message	Date
chriz	01ea3bd07a	First appointment fixes.	2026-10-21 08:31:00 +02:00
chriz	eef49d7bb3	Erstkontakt.	2026-10-20 18:19:06 +02:00
chriz	93d4d3bba3	Ansprechpartner Medizintechnik:	2026-10-20 17:50:04 +02:00
chriz	bc1c5a62fb	Flyer Optimierungen.	2026-10-20 12:42:38 +02:00
chriz	ac8468ca76	Enable HTTP/2 & HTTP/3	2026-10-20 12:02:30 +02:00
chriz	014422e0b6	Accessibility fixes.	2026-10-20 11:11:04 +02:00