:root {
    --bg: #0e0d0b;
    --card: #1c1b18;
    --accent: #c3a884;
    --accent2: #8a7457;
    --macos: #d9c3a3;
    --ios: #c9b285;
    --android: #ab9374;
    --text: #f5f4f1;
    --muted: #a8a59d;
    --border: #2a2824;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
  }

  /* Header */
  header {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, #141310 0%, #222019 50%, #141310 100%); color: #f5f4f1;
    border-bottom: 1px solid var(--border);
  }
  header h1 { font-size: 2.4rem; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 8px; }
  header h1 span { color: #d9c3a3; }
  header p { color: #d9d6cf; font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

  /* Platform tabs */
  .platform-bar {
    display: flex; justify-content: center; gap: 8px; padding: 20px;
    background: var(--card); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50;
  }
  .platform-tab {
    padding: 8px 24px; border-radius: 6px; font-size: 0.9rem; font-weight: 500;
    border: 1px solid var(--border); background: transparent; color: var(--muted);
    cursor: pointer; text-decoration: none; transition: all 0.2s;
  }
  .platform-tab:hover { border-color: var(--accent); color: var(--text); }
  .platform-tab.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

  /* Platform section */
  .platform-section { display: none; }
  .platform-section.active { display: block; }
  .section-header {
    max-width: 1100px; margin: 40px auto 0; padding: 0 20px;
    font-size: 1.1rem; color: var(--muted); font-weight: 400;
  }

  /* Apps container */
  .apps {
    max-width: 1100px; margin: 20px auto 40px; padding: 0 20px;
    display: flex; flex-direction: column; gap: 40px;
  }

  /* App card */
  .app-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 16px; overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
  }
  .app-header { padding: 32px 36px 0; display: flex; align-items: flex-start; gap: 20px; }
  .app-icon {
    width: 64px; height: 64px; border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  }
  .app-icon svg { width: 32px; height: 32px; }
  .ios-card .app-icon { background: none; }
  .app-icon img { width: 100%; height: 100%; border-radius: inherit; object-fit: cover; display: block; }
  .app-meta h2 { font-size: 1.5rem; font-weight: 600; }
  .app-meta .version { color: var(--accent); font-size: 0.85rem; font-weight: 500; margin-top: 2px; }
  .app-meta p { color: var(--muted); margin-top: 8px; font-size: 0.95rem; }

  /* Features */
  .features { padding: 20px 36px; display: flex; flex-wrap: wrap; gap: 8px; }
  .feature-tag {
    background: #222019; color: var(--accent);
    padding: 4px 12px; border-radius: 20px; font-size: 0.8rem;
    border: 1px solid #2a2824;
  }
  .macos-card .feature-tag {
    background: #222019; color: var(--macos);
    border-color: #2a2824;
  }
  .android-card .feature-tag {
    background: #222019; color: var(--android);
    border-color: #2a2824;
  }
  .ios-card .feature-tag {
    background: #222019; color: var(--ios);
    border-color: #2a2824;
  }

  /* Screenshots */
  .screenshots {
    padding: 0 36px 24px; display: flex; gap: 12px;
    overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  }
  .screenshots::-webkit-scrollbar { height: 6px; }
  .screenshots::-webkit-scrollbar-track { background: transparent; }
  .screenshots::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
  .screenshots img {
    height: 280px; border-radius: 10px; border: 1px solid var(--border);
    scroll-snap-align: start; flex-shrink: 0; cursor: pointer; transition: transform 0.2s;
  }
  .screenshots img:hover { transform: scale(1.02); }
  .screenshots.tall img { height: 360px; }

  /* Download section */
  .downloads {
    padding: 20px 36px 28px; border-top: 1px solid var(--border);
    display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  }
  .downloads .label { color: var(--muted); font-size: 0.85rem; font-weight: 500; margin-right: 4px; }
  .dl-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: 8px; font-size: 0.85rem; font-weight: 500;
    text-decoration: none; transition: all 0.2s;
  }
  .dl-btn.primary { background: var(--accent); color: var(--bg); }
  .dl-btn.primary:hover { background: #d9c3a3; }
  .dl-btn.snap { background: var(--accent); color: var(--bg); }
  .dl-btn.snap:hover { background: #d9c3a3; }
  .dl-btn.secondary { background: #141310; color: var(--text); border: 1px solid var(--border); }
  .dl-btn.secondary:hover { border-color: var(--accent); color: var(--accent); background: #222019; }
  .dl-btn svg { width: 16px; height: 16px; }
  .macos-card .dl-btn.primary { background: var(--macos); color: var(--bg); }
  .macos-card .dl-btn.primary:hover { background: #e8d9c2; }
  .android-card .dl-btn.primary { background: var(--android); color: var(--bg); }
  .android-card .dl-btn.primary:hover { background: #c3a884; }

  /* SVG icons inline */
  .icon-download { width: 16px; height: 16px; }

  /* Lightbox */
  .lightbox {
    display: none; position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,0.85); align-items: center; justify-content: center; cursor: pointer;
  }
  .lightbox.active { display: flex; }
  .lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 12px; }

  /* Footer */
  footer {
    text-align: center; padding: 40px 20px 20px;
    color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--border);
  }
  footer a { color: var(--accent); text-decoration: none; }
  footer a:hover { text-decoration: underline; }
  .footer-links { margin-top: 16px; display: flex; justify-content: center; gap: 24px; font-size: 0.8rem; }
  .footer-links a { color: var(--muted); }
  .footer-links a:hover { color: var(--accent); }

  /* SHA256 checksum display */
  .sha256 {
    padding: 0 36px 20px; font-size: 0.75rem; color: var(--muted);
  }
  .sha256 details { cursor: pointer; }
  .sha256 summary {
    font-weight: 500; color: var(--muted); font-size: 0.78rem;
    user-select: none; display: inline-flex; align-items: center; gap: 6px;
  }
  .sha256 summary svg { width: 14px; height: 14px; }
  .sha256-entry {
    margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px 10px;
    align-items: baseline;
  }
  .sha256-file { font-weight: 500; color: var(--text); min-width: 180px; }
  .sha256-hash {
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    background: var(--bg); border: 1px solid var(--border);
    padding: 3px 8px; border-radius: 4px; word-break: break-all;
    font-size: 0.72rem; cursor: pointer; position: relative;
  }
  .sha256-hash:hover { border-color: var(--accent); color: var(--accent); }
  .sha256-hash.copied::after {
    content: 'Kopiert!'; position: absolute; top: -24px; left: 50%;
    transform: translateX(-50%); background: var(--accent); color: var(--bg);
    padding: 2px 8px; border-radius: 4px; font-size: 0.7rem; white-space: nowrap;
  }

  /* SHA256 verify guide */
  .sha256-guide {
    max-width: 1100px; margin: 0 auto 30px; padding: 0 20px;
  }
  .sha256-guide-box {
    background: #1c1b18; border: 1px solid #2a2824; border-radius: 12px;
    padding: 20px 24px; color: #d9d6cf; font-size: 0.85rem;
  }
  .sha256-guide-box summary {
    cursor: pointer; font-weight: 600; color: #d9c3a3; font-size: 0.9rem;
  }
  .sha256-guide-box h4 { margin: 14px 0 6px; font-size: 0.85rem; color: #f5f4f1; }
  .sha256-guide-box h4:first-of-type { margin-top: 12px; }
  .sha256-guide-box code {
    background: #141310; color: #d9c3a3; padding: 2px 8px; border-radius: 4px;
    font-size: 0.8rem; font-family: 'SF Mono', Monaco, Consolas, monospace;
  }
  .sha256-guide-box pre {
    background: #0e0d0b; color: #d9c3a3; padding: 10px 14px; border-radius: 8px;
    font-size: 0.78rem; margin: 6px 0 0; overflow-x: auto;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    border: 1px solid #2a2824;
  }
  .sha256-guide-box p { margin: 6px 0; }

  @media (max-width: 640px) {
    .sha256 { padding: 0 16px 16px; }
    .sha256-file { min-width: auto; width: 100%; }
    .sha256-hash { font-size: 0.65rem; }
  }

  /* Legal pages */
  .legal-page { display: none; max-width: 800px; margin: 0 auto; padding: 40px 20px 60px; }
  .legal-page.active { display: block; }
  .legal-page h2 { font-size: 1.4rem; margin-bottom: 20px; color: var(--accent); }
  .legal-page h3 { font-size: 1.05rem; margin: 20px 0 8px; }
  .legal-page p, .legal-page li { color: var(--muted); font-size: 0.9rem; margin-bottom: 8px; }
  .legal-page ul { padding-left: 20px; }
  .back-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--accent); text-decoration: none; font-size: 0.9rem; margin-bottom: 24px;
  }
  .back-link:hover { text-decoration: underline; }

  /* Back to main site */
  .site-back {
    position: absolute; top: 20px; left: 20px;
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; font-size: 0.78rem; font-weight: 600;
    color: rgba(255,255,255,0.75); text-decoration: none;
    border-radius: 6px; border: 1px solid rgba(255,255,255,0.3);
    transition: all 0.2s;
  }
  .site-back:hover { color: #f5f4f1; border-color: #d9c3a3; background: rgba(217,195,163,0.1); }

  /* Become a tester (header button, mirrors .site-back style) */
  .site-tester {
    position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; font-size: 0.78rem; font-weight: 600;
    color: var(--accent); text-decoration: none;
    border-radius: 6px; border: 1px solid var(--accent);
    transition: all 0.2s;
  }
  .site-tester:hover { color: #0e0d0b; background: var(--accent); border-color: var(--accent); }

  /* Footer back to main site */
  .footer-back {
    margin-bottom: 20px;
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; font-size: 0.82rem; font-weight: 600;
    color: var(--accent); text-decoration: none;
    border: 1px solid var(--border); border-radius: 6px;
    transition: all 0.2s;
  }
  .footer-back:hover { border-color: var(--accent); background: #222019; }

  /* Language toggle */
  .lang-switch { position: absolute; top: 16px; right: 16px; z-index: 200; }
  .lang-switch > summary {
    list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 9px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.3);
    font-size: 1.05rem; line-height: 1; background: rgba(255,255,255,0.05);
  }
  .lang-switch > summary::-webkit-details-marker { display: none; }
  .lang-switch > summary:hover { background: rgba(255,255,255,0.15); }
  .lang-caret { font-size: 0.6rem; opacity: 0.7; }
  .lang-menu {
    position: absolute; top: 100%; right: 0; margin-top: 6px; z-index: 200;
    width: 210px; max-height: 340px; overflow-y: auto;
    background: #1c1b18; border: 1px solid rgba(255,255,255,0.18); border-radius: 8px;
    padding: 6px; box-shadow: 0 12px 32px rgba(0,0,0,0.5); display: grid; gap: 2px;
  }
  .lang-option {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 6px 8px; border: none; border-radius: 5px; cursor: pointer;
    background: transparent; color: #d9d6cf; font-size: 0.82rem; text-align: left;
  }
  .lang-option:hover { background: rgba(255,255,255,0.08); }
  .lang-option.is-active { background: rgba(217,195,163,0.18); color: #d9c3a3; }
  header { position: relative; }
  .lang-en { display: none; }

  /* Install hint box */
  .install-hint {
    max-width: 1100px; margin: 20px auto 0; padding: 0 20px;
  }
  .install-hint-box {
    background: #1c1b18; border: 1px solid #2a2824; border-radius: 12px;
    padding: 20px 24px; color: #d9d6cf; font-size: 0.88rem;
  }
  .install-hint-box strong { color: #d9c3a3; }
  .install-hint-box code {
    background: #141310; color: #d9c3a3; padding: 2px 8px; border-radius: 4px;
    font-size: 0.84rem; font-family: 'SF Mono', Monaco, Consolas, monospace;
    white-space: nowrap;
  }
  .install-hint-box .steps { margin-top: 10px; padding-left: 20px; }
  .install-hint-box .steps li { margin-bottom: 6px; }
  .install-hint-box .steps li code { display: inline; }
  .install-hint-box .hint-alt { margin-top: 12px; padding-top: 12px; border-top: 1px solid #2a2824; }

  /* Responsive */
  /* Tablet */
  @media (max-width: 900px) {
    header { padding: 40px 20px 30px; }
    header h1 { font-size: 2rem; }
    .apps { gap: 30px; }
    .app-header { padding: 24px 24px 0; }
    .features, .downloads { padding-left: 24px; padding-right: 24px; }
    .screenshots { padding-left: 24px; padding-right: 24px; }
    .screenshots img { height: 240px; }
    .legal-page { padding: 30px 20px 40px; }
  }

  /* Phone */
  @media (max-width: 640px) {
    header { padding: 32px 16px 24px; }
    header h1 { font-size: 1.5rem; }
    header p { font-size: 0.95rem; }
    .platform-bar { gap: 6px; padding: 12px 10px; }
    .platform-tab { padding: 6px 12px; font-size: 0.78rem; }
    .section-header { font-size: 0.95rem; margin-top: 24px; }
    .apps { margin-top: 12px; gap: 24px; padding: 0 12px; }
    .app-header { padding: 20px 16px 0; flex-direction: column; gap: 12px; }
    .app-icon { width: 48px; height: 48px; border-radius: 10px; }
    .app-icon svg { width: 24px; height: 24px; }
    .app-meta h2 { font-size: 1.2rem; }
    .app-meta p { font-size: 0.88rem; }
    .features { padding: 16px 16px; gap: 6px; }
    .feature-tag { font-size: 0.72rem; padding: 3px 10px; }
    .screenshots { padding: 0 16px 20px; gap: 8px; }
    .screenshots img { height: 180px; border-radius: 8px; }
    .screenshots.tall img { height: 260px; }
    .downloads { padding: 16px 16px 20px; gap: 8px; }
    .downloads .label { width: 100%; margin-bottom: 4px; }
    .dl-btn { padding: 8px 14px; font-size: 0.8rem; }
    footer { padding: 28px 16px 16px; }
    .footer-links { gap: 16px; flex-wrap: wrap; justify-content: center; }
    .legal-page { padding: 24px 16px 40px; }
    .legal-page h2 { font-size: 1.2rem; }
    .legal-page h3 { font-size: 0.95rem; }
    .legal-page p, .legal-page li { font-size: 0.85rem; }
  }

  /* Sehr kleine Phones */
  @media (max-width: 380px) {
    header h1 { font-size: 1.3rem; }
    .platform-tab { padding: 5px 8px; font-size: 0.72rem; }
    .screenshots img { height: 150px; }
    .screenshots.tall img { height: 220px; }
    .dl-btn { padding: 7px 10px; font-size: 0.75rem; gap: 4px; }
  }