diff --git a/index.html b/index.html
index e89f831..9bc9ca1 100644
--- a/index.html
+++ b/index.html
@@ -365,7 +365,7 @@ const PROJECTS = [
     {
       label: "",
       heading: "Seminararbeit",
-      text: "Das Projekt entstand im Rahmen einer begleitenden <a class=\"text-link\" href=\"pdf_viewer.html?file=Seminararbeit.pdf\">Seminararbeit</a> mit <a class=\"text-link\" href=\"pdf_viewer.html#file=\">Vortrag</a>.",
+      text: "Das Projekt entstand im Rahmen einer begleitenden <a class=\"text-link\" href=\"pdf_viewer.html?file=Seminararbeit.pdf\">Seminararbeit ↗</a> mit <a class=\"text-link\" href=\"pdf_viewer.html?file=Seminararbeit_Vortrag.pdf\">Vortrag ↗</a>.",
       image: "images/seminararbeit.png",
     }
   ]
@@ -380,7 +380,7 @@ const PROJECTS = [
     {
       label: "",
       heading: "Client",
-      text: "Der Game Client wurde mit Unity und C# entwickelt und basiert auf einem rundenbasierten Bewegungs- und Kartensystem. Sämtliche Designs wurden eigenständig erstellt. Ein Benutzer- sowie ein Entwicklerhandbuch sind im GitHub-Repository enthalten.",
+      text: "Der Game Client wurde mit Unity und C# entwickelt und basiert auf einem rundenbasierten Bewegungs- und Kartensystem. Sämtliche Designs wurden eigenständig erstellt. Ein <a class=\"text-link\" href=\"pdf_viewer.html?file=Team23_Benutzerhandbuch_BoC.pdf\">Benutzerhandbuch ↗</a> und <a class=\"text-link\" href=\"pdf_viewer.html?file=Team23_Entwicklerhandbuch_BoC.pdf\">Entwicklerhandbuch ↗</a> sind verfügbar.",
       image: "images/boardgame_demo.png",
     },
     {
diff --git a/pdf_viewer.html b/pdf_viewer.html
index d80b85c..7766df5 100644
--- a/pdf_viewer.html
+++ b/pdf_viewer.html
@@ -4,299 +4,10 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Marvins Portfolio</title>
-  <link rel="preconnect" href="https://fonts.googleapis.com" />
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
-  <link href="https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap" rel="stylesheet" />
-  <style>
-    :root {
-      --bg:#5E4C93; 
-      --bg2: #1b162a;
-      --text:#FFFFFF; 
-      --surface:#3e3261; 
-      --muted:#C5C1D1; 
-      --border:#20192a; 
-      --serif:   'Instrument Serif', Georgia, serif;
-      --sans:    'DM Sans', system-ui, sans-serif;
-      --nav-w:   230px;
-    }
-    @media (prefers-color-scheme: dark) {
-      :root { 
-        --bg:#5E4C93; 
-        --bg2: #1b162a;
-        --text:#FFFFFF; 
-        --surface:#3e3261; 
-        --muted:#C5C1D1; 
-        --border:#20192a; 
-    }
-    }
-    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
-    html { scroll-behavior: smooth; }
-    body {
-      background: linear-gradient(135deg, var(--bg), var(--bg2));
-      color: var(--text);
-      font-family: var(--sans); font-size: 15px;
-      font-weight: 300; line-height: 1.7;
-      -webkit-font-smoothing: antialiased;
-    }
-
-    /* ── SIDEBAR ─────────────────────────────────────── */
-    .sidebar {
-      position: fixed; top: 0; left: 0;
-      width: var(--nav-w); height: 100vh;
-      border-right: 1px solid var(--border);
-      display: flex; flex-direction: column;
-      z-index: 100; background: var(--bg);
-    }
-    .sidebar-top {
-      padding: 36px 32px 28px;
-      border-bottom: 1px solid var(--border);
-    }
-    .sidebar-name {
-      font-family: var(--serif); font-size: 1.1rem;
-      color: var(--text); text-decoration: none; display: block;
-      margin-bottom: 4px;
-    }
-    .sidebar-sub {
-      font-size: 0.75rem; color: var(--muted);
-    }
-    .sidebar-nav {
-      flex: 1; overflow-y: auto; padding: 20px 0;
-    }
-    .nav-group {
-      margin-bottom: 4px;
-    }
-    .nav-group-label {
-      font-size: 0.65rem; font-weight: 500;
-      letter-spacing: 0.12em; text-transform: uppercase;
-      color: var(--muted); padding: 16px 32px 6px;
-      display: block;
-    }
-    .nav-link {
-      display: flex; align-items: center; gap: 10px;
-      padding: 6px 32px; font-size: 0.84rem; font-weight: 400;
-      color: var(--muted); text-decoration: none;
-      transition: color 0.15s; position: relative;
-      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
-    }
-    .nav-link::before {
-      content: ''; position: absolute; left: 0; top: 50%;
-      transform: translateY(-50%); width: 2px; height: 0;
-      background: var(--text); border-radius: 0 2px 2px 0;
-      transition: height 0.18s;
-    }
-    .nav-link:hover { color: var(--text); }
-    .nav-link.active { color: var(--text); font-weight: 500; }
-    .nav-link.active::before { height: 14px; }
-    .nav-link .idx {
-      font-size: 0.68rem; color: var(--muted);
-      min-width: 18px; flex-shrink: 0;
-    }
-    .sidebar-bottom {
-      padding: 20px 32px;
-      border-top: 1px solid var(--border);
-      display: flex; flex-direction: column; gap: 6px;
-    }
-    .sidebar-bottom a {
-      font-size: 0.76rem; color: var(--muted);
-      text-decoration: none; transition: color 0.15s;
-    }
-    .sidebar-bottom a:hover { color: var(--text); }
-
-    /* ── MAIN ────────────────────────────────────────── */
-    .main { margin-left: var(--nav-w); }
-
-    /* ── EACH PROJECT SECTION ────────────────────────── */
-    .project-section {
-      padding: 96px 80px;
-      border-bottom: 1px solid var(--border);
-    }
-
-    /* Section header */
-    .section-head {
-      margin-bottom: 56px;
-    }
-    .section-kicker {
-      font-size: 0.7rem; font-weight: 500;
-      letter-spacing: 0.12em; text-transform: uppercase;
-      color: var(--muted); margin-bottom: 14px;
-      display: flex; align-items: center; gap: 10px;
-    }
-    .section-kicker::before {
-      content: ''; display: inline-block;
-      width: 24px; height: 1px; background: var(--muted);
-    }
-    .section-title {
-      font-family: var(--serif);
-      font-size: clamp(2rem, 3.5vw, 3rem);
-      font-weight: 400; letter-spacing: -0.02em; line-height: 1.12;
-      margin-bottom: 18px;
-    }
-    .section-desc {
-      max-width: 560px; color: var(--muted);
-      font-size: 0.94rem; line-height: 1.8;
-    }
-
-    /* Tags + meta row */
-    .meta-row {
-      display: flex; align-items: center;
-      gap: 20px; flex-wrap: wrap; margin-top: 20px;
-    }
-    .tags { display: flex; flex-wrap: wrap; gap: 6px; }
-    .tag {
-      font-size: 0.71rem; color: var(--muted);
-      background: var(--surface); border: 1px solid var(--border);
-      padding: 3px 10px; border-radius: 3px;
-    }
-    .stat {
-      font-size: 0.78rem; color: var(--muted);
-    }
-    .status-dot {
-      display: inline-block; width: 6px; height: 6px;
-      border-radius: 50%; background: currentColor;
-      vertical-align: middle; margin-right: 4px;
-    }
-    .status-dot.active  { color: #3a7d44; }
-    .status-dot.archived { color: var(--muted); opacity: .5; }
-
-    /* Content blocks (alternating) */
-    .content-blocks {
-      display: flex; flex-direction: column; gap: 0;
-    }
-
-    .content-block {
-      display: grid;
-      grid-template-columns: 1fr 1fr;
-      gap: 0;
-      border-top: 1px solid var(--border);
-    }
-    /* even blocks: flip columns */
-    .content-block.flip {
-      direction: rtl;
-    }
-    .content-block.flip > * { direction: ltr; }
-
-    .block-image {
-      aspect-ratio: 4/3;
-      background: var(--surface);
-      border-right: 1px solid var(--border);
-      display: flex; align-items: center; justify-content: center;
-      overflow: hidden; position: relative;
-    }
-    .content-block.flip .block-image {
-      border-right: none;
-      border-left: 1px solid var(--border);
-    }
-
-    /* Placeholder visuals (replace with real <img> tags) */
-    .block-image img {
-      width: 100%; height: 100%; object-fit: cover; display: block;
-    }
-    .placeholder {
-      width: 100%; height: 100%;
-      display: flex; flex-direction: column;
-      align-items: center; justify-content: center;
-      gap: 10px; color: var(--muted);
-    }
-    .placeholder-icon { font-size: 2.4rem; line-height: 1; }
-    .placeholder-label { font-size: 0.72rem; letter-spacing: 0.06em; }
-
-    .block-text {
-      padding: 44px 48px;
-      display: flex; flex-direction: column; justify-content: center;
-    }
-    .block-label {
-      font-size: 0.68rem; font-weight: 500;
-      letter-spacing: 0.1em; text-transform: uppercase;
-      color: var(--muted); margin-bottom: 16px;
-    }
-    .block-text h3 {
-      font-family: var(--serif); font-size: 1.25rem;
-      font-weight: 400; letter-spacing: -0.01em;
-      line-height: 1.3; margin-bottom: 14px;
-    }
-    .block-text p {
-      font-size: 0.88rem; color: var(--muted);
-      line-height: 1.8;
-    }
-
-    /* Links row */
-    .links-row {
-      display: flex; gap: 20px; margin-top: 40px;
-    }
-    .text-link {
-      font-size: 0.84rem; font-weight: 500; color: var(--text);
-      text-decoration: none; border-bottom: 1px solid var(--border);
-      padding-bottom: 2px; transition: border-color 0.15s;
-    }
-    .text-link:hover { border-color: var(--text); }
-    .text-link.ghost { color: var(--muted); }
-
-    /* ── HERO ────────────────────────────────────────── */
-    .hero-section {
-      padding: 100px 80px 80px;
-      border-bottom: 1px solid var(--border);
-    }
-    .hero-eyebrow {
-      font-size: 0.7rem; font-weight: 500;
-      letter-spacing: 0.12em; text-transform: uppercase;
-      color: var(--muted); margin-bottom: 24px;
-    }
-    .hero-section h1 {
-      font-family: var(--serif);
-      font-size: clamp(2.8rem, 5vw, 4.2rem);
-      font-weight: 400; letter-spacing: -0.025em;
-      line-height: 1.1; margin-bottom: 28px; max-width: 640px;
-    }
-    .hero-section h1 em { font-style: italic; color: var(--muted); }
-    .hero-desc {
-      max-width: 460px; color: var(--muted);
-      font-size: 0.94rem; line-height: 1.8; margin-bottom: 40px;
-    }
-    .hero-links { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 20px;}
-
-    /* ── MOBILE ──────────────────────────────────────── */
-    .mobile-bar {
-      display: none; position: sticky; top: 0; z-index: 100;
-      background: var(--bg); border-bottom: 1px solid var(--border);
-      padding: 14px 20px; align-items: center; justify-content: space-between;
-    }
-    .mobile-logo { font-family: var(--serif); font-size: 1rem; color: var(--text); text-decoration: none; }
-    .mobile-btn { background: none; border: none; cursor: pointer; color: var(--muted); font-family: var(--sans); font-size: 0.85rem; padding: 4px; }
-    .mobile-drawer {
-      display: none; position: fixed; inset: 0; z-index: 200;
-      background: var(--bg); overflow-y: auto;
-      padding: 24px 0; flex-direction: column;
-    }
-    .mobile-drawer.open { display: flex; }
-    .mobile-drawer-head {
-      display: flex; justify-content: space-between; align-items: center;
-      padding: 0 24px 24px; border-bottom: 1px solid var(--border); margin-bottom: 16px;
-    }
-    .mobile-drawer-head span { font-family: var(--serif); font-size: 1rem; }
-    .mobile-drawer a {
-      display: block; padding: 10px 24px;
-      font-size: 0.9rem; color: var(--muted); text-decoration: none;
-    }
-    .mobile-drawer a:hover { color: var(--text); }
-
-    @media (max-width: 900px) {
-      .sidebar { display: none; }
-      .main { margin-left: 0; }
-      .mobile-bar { display: flex; }
-      .hero-section, .project-section { padding: 56px 24px; }
-      .content-block { grid-template-columns: 1fr; }
-      .content-block.flip { direction: ltr; }
-      .block-image { aspect-ratio: 16/9; border-right: none; border-bottom: 1px solid var(--border); }
-      .content-block.flip .block-image { border-left: none; border-bottom: 1px solid var(--border); }
-      .block-text { padding: 28px 24px; }
-    }
-  </style>
 </head>
 <body>
 
-<h2>PDF Viewer</h2>
-
-<iframe id="pdfFrame" width="100%" height="600px"></iframe>
+<iframe id="pdfFrame" style="width:100vw; height:100vh; border:none;"></iframe>
 
 <script>
 // Read the filename from the URL
diff --git a/pdfs/Team23_Benutzerhandbuch_BoC.pdf b/pdfs/Team23_Benutzerhandbuch_BoC.pdf
new file mode 100644
index 0000000..e9eaff9
Binary files /dev/null and b/pdfs/Team23_Benutzerhandbuch_BoC.pdf differ
diff --git a/pdfs/Team23_Entwicklerhandbuch_BoC.pdf b/pdfs/Team23_Entwicklerhandbuch_BoC.pdf
new file mode 100644
index 0000000..64bd4bd
Binary files /dev/null and b/pdfs/Team23_Entwicklerhandbuch_BoC.pdf differ