diff --git a/gdpr_notice.html b/gdpr_notice.html
index 562e0db..ca73082 100644
--- a/gdpr_notice.html
+++ b/gdpr_notice.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf-8">
     <meta name="description" content="GDPR Notice | Veit Heller—Technologist at Large">
@@ -12,6 +12,7 @@
         src: url('charter_regular-webfont.woff') format('woff');
         font-weight: normal;
         font-style: normal;
+        font-display: swap;
       }
       html {
         box-sizing: border-box;
@@ -25,7 +26,7 @@
         width: 100vw;
         height: 100vh;
         margin: 0;
-        background-color: #fafaf3;
+        background-color: #fafaf7;
       }
       .main {
         max-width: 600px;
@@ -37,16 +38,31 @@
         font-size: 28px;
         font-weight: 400;
       }
+      .main h2 {
+        font-size: 22px;
+        font-weight: 400;
+        margin-top: 2em;
+      }
       .main a {
         color: #000;
         text-decoration: none;
         border-bottom: 2px solid #d6dde3;
       }
+      .site-link {
+        font-size: 16px;
+        color: #444;
+        margin-bottom: 0.5em;
+      }
+      .site-link a {
+        border-bottom: none;
+        color: #444;
+      }
     </style>
     <title>GDPR Notice | Veit Heller—Technologist at Large</title>
   </head>
   <body>
     <div class="main">
+      <p class="site-link"><a href="/">← Veit Heller</a></p>
       <h1>GDPR Notice</h1>
       <p>
         This is the personal website of Veit Heller. I will provide a notice that
@@ -57,25 +73,25 @@
         It collects the requesting party’s IP address and user agent from the
         HTTP request, but does not store them.
       </p>
-<h2 id="analytics">Web analytics (Plausible)</h2>
-<p>
-  This site uses <a href="https://plausible.io">Plausible Analytics</a>. Plausible works without cookies
-  and without cross-site tracking. No personal data is stored.
-</p>
-<ul>
-  <li><strong>Per pageview captured:</strong> page URL (without query params except common campaign tags),
-      referrer, and derived browser/OS/device type; city-level location is inferred from the IP.</li>
-  <li><strong>No raw identifiers stored:</strong> Plausible does not store IP addresses or full user-agents.
-      For daily unique counts it uses a hash of a rotating salt + domain + IP + UA; the salt is deleted
-      every 24 hours.</li>
-  <li><strong>Legal basis:</strong> Art. 6(1)(f) GDPR (legitimate interest) in lightweight, privacy-preserving
-      reach measurement and site improvement.</li>
-  <li><strong>Processor & hosting:</strong> Plausible Insights OÜ (Estonia, EU). Data are processed and stored
-      in the EU on servers in Germany (Hetzner). No transfers outside the EU.</li>
-  <li><strong>Retention:</strong> Only aggregated statistics are kept for as long as the site is active.
-      You can contact me if you have questions regarding this processing.</li>
-  <li><strong>Public stats:</strong> For transparency, I made the statistics publicly available <a href="https://plausible.io/veitheller.de">here</a>.</li>
-</ul>
+      <h2 id="analytics">Web analytics (Plausible)</h2>
+      <p>
+        This site uses <a href="https://plausible.io">Plausible Analytics</a>. Plausible works without cookies
+        and without cross-site tracking. No personal data is stored.
+      </p>
+      <ul>
+        <li><strong>Per pageview captured:</strong> page URL (without query params except common campaign tags),
+            referrer, and derived browser/OS/device type; city-level location is inferred from the IP.</li>
+        <li><strong>No raw identifiers stored:</strong> Plausible does not store IP addresses or full user-agents.
+            For daily unique counts it uses a hash of a rotating salt + domain + IP + UA; the salt is deleted
+            every 24 hours.</li>
+        <li><strong>Legal basis:</strong> Art. 6(1)(f) GDPR (legitimate interest) in lightweight, privacy-preserving
+            reach measurement and site improvement.</li>
+        <li><strong>Processor & hosting:</strong> Plausible Insights OÜ (Estonia, EU). Data are processed and stored
+            in the EU on servers in Germany (Hetzner). No transfers outside the EU.</li>
+        <li><strong>Retention:</strong> Only aggregated statistics are kept for as long as the site is active.
+            You can contact me if you have questions regarding this processing.</li>
+        <li><strong>Public stats:</strong> For transparency, I made the statistics publicly available <a href="https://plausible.io/veitheller.de">here</a>.</li>
+      </ul>
       <p>For any questions or concerns contact:<br/>
       Veit Heller<br/>
       Moltkestr. 5<br/>
@@ -83,9 +99,7 @@
       Germany
       </p>
       <p>Don't know what this is? This is a necessity dictated by European law.</p>
-      <hr/>
-      <a href="mailto:veit@veitheller.de">Shoot me an e-mail</a><br/>
-      <a href="./">Head back home</a>
+      <p>See also: <a href="./imprint.html">Imprint</a></p>
     </div>
   </body>
 </html>
diff --git a/imprint.html b/imprint.html
index 63f1165..952baac 100644
--- a/imprint.html
+++ b/imprint.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf-8">
     <meta name="description" content="Imprint | Veit Heller—Technologist at Large">
@@ -43,11 +43,21 @@
         text-decoration: none;
         border-bottom: 2px solid #d6dde3;
       }
+      .site-link {
+        font-size: 16px;
+        color: #444;
+        margin-bottom: 0.5em;
+      }
+      .site-link a {
+        border-bottom: none;
+        color: #444;
+      }
     </style>
     <title>Imprint | Veit Heller—Technologist at Large</title>
   </head>
   <body>
     <div class="main">
+      <p class="site-link"><a href="/">← Veit Heller</a></p>
       <h1>Imprint</h1>
       <p>Veit Heller<br/>
       Moltkestr. 5<br/>
@@ -55,9 +65,7 @@
       Germany
       </p>
       <p>Don't know what this is? This is a necessity dictated by German law.</p>
-      <hr/>
-      <a href="mailto:veit@veitheller.de">Shoot me an e-mail</a><br/>
-      <a href="./">Head back home</a>
+      <p>See also: <a href="./gdpr_notice.html">GDPR Notice</a></p>
     </div>
   </body>
 </html>
diff --git a/index.html b/index.html
index 277c5c1..88f6cab 100644
--- a/index.html
+++ b/index.html
@@ -135,9 +135,6 @@
         .broken-up {
           display: block;
         }
-        .broken-up li {
-          list-style: circle;
-        }
         .main h1 {
           font-size: 20px;
         }
@@ -291,7 +288,7 @@
 				<ul>
 					<li>Community events: travel-only (free if remote)</li>
 					<li>Corporate talks (45–60 min): 1,900€–2,400€</li>
-					<li>Corporate talks (75–90 min): 2,400€-2,800€</li>
+					<li>Corporate talks (75–90 min): 2,400€–2,800€</li>
 					<li>Half-day workshop (2–4h): 2,500€–3,000€</li>
 					<li>Full-day workshop (6–8h): 4,200€–4,800€</li>
 					<li>Prep and post is included</li>
diff --git a/talks.html b/talks.html
index 862ccda..64c2c3b 100644
--- a/talks.html
+++ b/talks.html
@@ -35,7 +35,6 @@
       font-family: 'charterregular', Georgia, serif;
       font-size: 18px;
       width: 100vw;
-      height: 100vh;
       margin: 0;
       background-color: #fafaf7;
     }
@@ -76,7 +75,7 @@
     }
     .main .rule {
       border-top: 1px solid #aaa;
-      width: calc(100%-6em);
+      width: calc(100% - 6em);
       margin-left: 3em;
       margin-right: 3em;
       height: 0px;
@@ -118,6 +117,25 @@
       color: #000;
       border-bottom-color: #000;
     }
+    .site-link {
+      font-size: 16px;
+      color: #444;
+      margin-bottom: 0.5em;
+    }
+    .site-link a {
+      border-bottom: none;
+      color: #444;
+    }
+    .legal {
+      margin-top: 2.5em;
+      padding-top: 1em;
+      border-top: 1px solid #d6dde3;
+      font-size: 14px;
+      color: #444;
+    }
+    .legal a {
+      margin-right: 1em;
+    }
     @media(max-width: 700px) {
       .main h1 {
         font-size: 20px;
@@ -127,6 +145,7 @@
 </head>
 <body>
   <main class="main">
+    <p class="site-link"><a href="/">← Veit Heller</a></p>
     <h1>Workshops, Talks, Publications</h1>
     <p class="description">I speak and write about systems of all shapes and
     sizes.</p>
@@ -135,21 +154,21 @@
     <input type="radio" name="tab" id="tab-talks" class="tab-input">
     <input type="radio" name="tab" id="tab-publications" class="tab-input">
 
-    <nav class="tabs">
-      <label for="tab-bookable">Bookable</label>
-      <label for="tab-talks">Talks</label>
-      <label for="tab-publications">Publications</label>
+    <nav class="tabs" role="tablist">
+      <label for="tab-bookable" id="label-bookable" role="tab" aria-controls="bookable" tabindex="0">Bookable</label>
+      <label for="tab-talks" id="label-talks" role="tab" aria-controls="talks" tabindex="0">Talks</label>
+      <label for="tab-publications" id="label-publications" role="tab" aria-controls="publications" tabindex="0">Publications</label>
     </nav>
 
-    <section id="bookable" class="panel">
+    <section id="bookable" class="panel" role="tabpanel" aria-labelledby="label-bookable">
 
     <h3>Practical threat modelling for engineering teams</h3>
     <p>Lightweight, repeatable threat modelling you can actually run in sprint cadence. We cut jargon, pick a fit-for-purpose method, and get to work quickly. <a href="https://blog.veitheller.de/Threat_Modeling_For_the_Rest_of_Us.html">Read about it here.</a></p>
     <ul>
       <li><strong>Takeaways:</strong> initial model (only for workshops), playbook, templates, 30-day plan to make it stick.</li>
-      <li><strong>Formats:</strong> 45–90min talk, ~3h half-day (guided exercise), 6–8h full-day (hands-on)</li>
+      <li><strong>Formats:</strong> 45–90min talk, ~3h half-day, 6–8h full-day (hands-on)</li>
     </ul>
-    <p><a href="mailto:veit@veitheller.de?subject=threat modelling workshop inquiry">Book this workshop</a></p>
+    <p><a href="mailto:veit@veitheller.de?subject=Threat modelling workshop inquiry">Book this workshop</a></p>
 
     <div class="rule"></div>
 
@@ -159,7 +178,7 @@
       <li><strong>Takeaways:</strong> control set, CI/CD hooks for evidence (workshop only), audit-ready checklists.</li>
       <li><strong>Formats:</strong> 45–90min talk, ~3h half-day, 6–8h full-day (hands-on)</li>
     </ul>
-    <p><a href="mailto:veit@veitheller.de?subject=isms and ssdlc workshop inquiry">Book this workshop</a></p>
+    <p><a href="mailto:veit@veitheller.de?subject=ISMS and SSDLC workshop inquiry">Book this workshop</a></p>
 
     <div class="rule"></div>
 
@@ -167,9 +186,9 @@
     <p>What VCs, acquirers, and enterprise buyers actually check, and how to be ready to answer. Architecture narrative, risk posture, and processes that actually give you something in return. <a href="https://blog.veitheller.de/What_good_looks_like_in_a_data_room.html">Read about it here.</a></p>
     <ul>
       <li><strong>Takeaways:</strong> a DD checklist, a clean architecture one-pager, a 30-day prep plan including process refinements (workshop only).</li>
-      <li><strong>Formats:</strong> 45–90min talk, ~3h workshop, 6-8h full-day (hands on)</li>
+      <li><strong>Formats:</strong> 45–90min talk, ~3h half-day, 6–8h full-day (hands-on)</li>
     </ul>
-    <p><a href="mailto:veit@veitheller.de?subject=funding and buyer readiness workshop inquiry">Book this workshop</a></p>
+    <p><a href="mailto:veit@veitheller.de?subject=Funding and buyer readiness workshop inquiry">Book this workshop</a></p>
 
     <div class="rule"></div>
 
@@ -177,17 +196,17 @@
 
     </section>
 
-    <section id="talks" class="panel">
+    <section id="talks" class="panel" role="tabpanel" aria-labelledby="label-talks">
       <article>
         <h3><i>Upcoming:</i> Type Systems You Might Not Know (But Will Love)</h3>
         <p><em>WeAreDevelopers World Congress Europe, 2026</em><br>
-        <p>A tour through beautiful but lesser-known type systems.</p>
+        A tour through beautiful but lesser-known type systems.</p>
       </article>
 
       <article>
         <h3>Von der Cloud ins Rack – Wie Netzautomatisierung souveräne RZ-Umgebungen ermöglicht</h3>
         <p><em>Rack & Stack 2026</em><br>
-        <p>A German talk on high fidelity network automation to drive the adoption of sovereign data infrastructure.</p>
+        A German talk on high fidelity network automation to drive the adoption of sovereign data infrastructure.</p>
         <p><i>Recording pending</i></p>
       </article>
 
@@ -230,7 +249,7 @@
         <h3>Brainfuck, Carp, Macros, and Futamura Projections</h3>
         <p><em>LambdaLounge, 2021</em><br>
         A technical presentation connecting minimal languages, metaprogramming, and interpreter folding techniques.</p>
-        <p><a href="https://www.youtube.com/watch?v=G-0Vic9fQU0">Watch →</a></p>
+        <p><a href="https://www.youtube.com/watch?v=wwwa5TG70UA">Watch →</a></p>
       </article>
 
       <article>
@@ -269,7 +288,7 @@
       </article>
     </section>
 
-    <section id="publications" class="panel">
+    <section id="publications" class="panel" role="tabpanel" aria-labelledby="label-publications">
 
       <article>
         <h3>Efficient Module-Level Dynamic Analysis for Dynamic Languages with Module Recontextualization</h3>
@@ -285,6 +304,42 @@
         <p><a href="https://sigbovik.org/2019/proceedings.pdf">Read →</a></p>
       </article>
     </section>
+    <footer class="legal">
+      <a href="./imprint.html">Imprint</a>
+      <a href="./gdpr_notice.html">GDPR Notice</a>
+    </footer>
   </main>
+  <script>
+(function() {
+  var tabs = ['bookable', 'talks', 'publications'];
+  var labels = document.querySelectorAll('nav.tabs label');
+  function syncAria(active) {
+    labels.forEach(function(l) {
+      l.setAttribute('aria-selected', l.getAttribute('for') === 'tab-' + active ? 'true' : 'false');
+    });
+  }
+  var hash = location.hash.substring(1);
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+    var input = document.getElementById('tab-' + hash);
+    if (input) input.checked = true;
+    syncAria(hash);
+  } else {
+    syncAria('bookable');
+  }
+  labels.forEach(function(l) {
+    l.addEventListener('click', function() {
+      var name = l.getAttribute('for').replace('tab-', '');
+      history.replaceState(null, '', '#' + name);
+      syncAria(name);
+    });
+    l.addEventListener('keydown', function(e) {
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+        e.preventDefault();
+        l.click();
+      }
+    });
+  });
+})();
+  </script>
 </body>
 </html>
