:root {
      --bg: #041019;
      --bg-2: #081827;
      --panel: rgba(10, 24, 39, 0.86);
      --panel-strong: rgba(6, 15, 24, 0.96);
      --line: rgba(113, 237, 178, 0.18);
      --line-strong: rgba(113, 237, 178, 0.38);
      --text: #eff6ff;
      --muted: #9ab3c8;
      --accent: #6ae7b1;
      --accent-2: #59c9ff;
      --accent-3: #ffc35d;
      --accent-4: #d3ff78;
      --shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      font-family: "Space Grotesk", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(106, 231, 177, 0.1), transparent 28%),
        radial-gradient(circle at top right, rgba(89, 201, 255, 0.12), transparent 24%),
        linear-gradient(180deg, #07101a 0%, var(--bg) 100%);
      line-height: 1.65;
      overflow-x: hidden;
    }

    canvas {
      position: fixed;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      opacity: 0.85;
      pointer-events: none;
    }

    .shell {
      position: relative;
      z-index: 1;
      width: min(1220px, calc(100% - 28px));
      margin: 0 auto;
      padding-bottom: 56px;
    }

    header,
    section,
    footer {
      position: relative;
      z-index: 1;
    }

    header {
      margin-top: 18px;
      padding: 14px 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      background: rgba(4, 10, 18, 0.72);
      border: 1px solid var(--line);
      border-radius: 20px;
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
      color: var(--text);
    }

    .brand-mark,
    .brand-fallback {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      border: 1px solid var(--line-strong);
      background: linear-gradient(145deg, rgba(106, 231, 177, 0.12), rgba(89, 201, 255, 0.16));
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    }

    .brand-mark { object-fit: cover; display: block; }
    .brand-fallback {
      display: none;
      place-items: center;
      font-family: "Orbitron", sans-serif;
      font-weight: 800;
      color: var(--accent);
    }

    .brand h1 {
      margin: 0;
      font-family: "Orbitron", sans-serif;
      font-size: clamp(1rem, 2vw, 1.2rem);
      letter-spacing: 0.08em;
    }

    .brand p {
      margin: 2px 0 0;
      color: var(--muted);
      font-size: 0.88rem;
    }

    nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 14px;
    }

    nav a {
      color: var(--accent-2);
      text-decoration: none;
      font-weight: 600;
      font-size: 0.95rem;
    }

    .hero {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 24px;
      align-items: stretch;
      min-height: calc(100vh - 126px);
      padding: 42px 0 26px;
    }

    .hero-copy,
    .hero-grid,
    .section-card,
    .node-card,
    .ant-card,
    .power-card,
    .road-card,
    .stack-card,
    .myth-card,
    .timeline-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 24px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .hero-copy {
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.04);
      color: var(--accent);
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      width: fit-content;
    }

    .hero h2,
    .section-head h2 {
      margin: 0;
      font-family: "Orbitron", sans-serif;
      line-height: 1.04;
    }

    .hero h2 {
      font-size: clamp(2.3rem, 6.5vw, 4.7rem);
    }

    .hero h2 .accent-a { color: var(--accent); }
    .hero h2 .accent-b { color: var(--accent-2); }
    .hero h2 .accent-c { color: var(--accent-4); }

    .hero p,
    .section-copy,
    .card-copy,
    .timeline-card p,
    .hero-note,
    .stack-copy {
      color: var(--muted);
      font-size: 1rem;
    }

    .hero-actions,
    .card-links,
    .section-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn,
    .btn-secondary,
    .chip-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 999px;
      text-decoration: none;
      font-weight: 700;
      font-size: 0.96rem;
      transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
    }

    .btn {
      color: #041018;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      box-shadow: 0 12px 30px rgba(89, 201, 255, 0.22);
    }

    .btn-secondary,
    .chip-link {
      color: var(--text);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--line);
    }

    .btn:hover,
    .btn-secondary:hover,
    .chip-link:hover {
      transform: translateY(-1px);
      border-color: var(--line-strong);
    }

    .hero-note {
      padding: 14px 16px;
      border-radius: 16px;
      background: rgba(255, 195, 93, 0.08);
      border: 1px solid rgba(255, 195, 93, 0.22);
      color: #ffe0a6;
      font-weight: 600;
    }

    .hero-grid {
      padding: 18px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-content: start;
      position: relative;
      overflow: hidden;
    }

    .metric,
    .mini-map,
    .core-panel {
      background: rgba(255, 255, 255, 0.035);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 16px;
    }

    .metric h3,
    .mini-map h3,
    .core-panel h3,
    .section-label,
    .node-card h3,
    .ant-card h3,
    .power-card h3,
    .stack-card h3,
    .myth-card h3,
    .timeline-card h3 {
      margin: 0 0 10px;
      color: var(--accent-2);
      font-size: 0.86rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .metric-value {
      font-family: "Orbitron", sans-serif;
      font-size: clamp(1.15rem, 2vw, 1.5rem);
      color: var(--text);
      margin-bottom: 6px;
    }

    .metric p,
    .mini-map p,
    .core-panel p { margin: 0; color: var(--muted); font-size: 0.92rem; }

    .mini-map {
      grid-column: span 2;
      min-height: 240px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      background:
        radial-gradient(circle at 50% 50%, rgba(106, 231, 177, 0.12), transparent 34%),
        rgba(255, 255, 255, 0.03);
    }

    .mini-cell {
      border: 1px solid rgba(113, 237, 178, 0.16);
      border-radius: 16px;
      padding: 14px;
      background: rgba(5, 16, 25, 0.64);
    }

    .mini-cell strong {
      display: block;
      color: var(--text);
      margin-bottom: 6px;
    }

    .mini-cell span { color: var(--muted); font-size: 0.92rem; }

    .section {
      padding: 22px 0;
    }

    .section-card {
      padding: 24px;
    }

    .section-head {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 14px;
      align-items: end;
      margin-bottom: 20px;
    }

    .section-head h2 {
      font-size: clamp(1.55rem, 3vw, 2.3rem);
    }

    .section-label {
      display: inline-block;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .grid-3,
    .grid-4,
    .stack-grid,
    .timeline-grid {
      display: grid;
      gap: 14px;
    }

    .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .stack-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .timeline-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

    .node-card,
    .ant-card,
    .power-card,
    .road-card,
    .stack-card,
    .myth-card,
    .timeline-card {
      padding: 18px;
    }

    .node-card strong,
    .ant-card strong,
    .power-card strong,
    .road-card strong,
    .stack-card strong,
    .myth-card strong,
    .timeline-card strong {
      color: var(--text);
    }

    .road-list {
      display: grid;
      gap: 12px;
    }

    .road-card {
      border-left: 3px solid var(--accent);
      background: linear-gradient(90deg, rgba(106, 231, 177, 0.08), rgba(255,255,255,0.03));
    }

    .road-kicker {
      font-size: 0.82rem;
      color: var(--accent-3);
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .quote-box {
      padding: 22px;
      border-radius: 22px;
      border: 1px solid rgba(255, 195, 93, 0.22);
      background: rgba(255, 195, 93, 0.06);
      font-size: 1.05rem;
      color: #ffe4b0;
      font-weight: 600;
    }

    .stack-card {
      min-height: 220px;
    }

    .stack-title {
      font-family: "Orbitron", sans-serif;
      font-size: 1.15rem;
      color: var(--text);
      margin-bottom: 8px;
    }

    .legend {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 12px;
    }

    .legend span {
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.04);
      color: var(--muted);
      font-size: 0.86rem;
    }

    footer {
      padding: 26px 0 0;
      text-align: center;
      color: var(--muted);
    }

    footer a {
      color: var(--accent-2);
      text-decoration: none;
    }

    @media (max-width: 1040px) {
      .hero,
      .grid-3,
      .grid-4,
      .stack-grid,
      .timeline-grid {
        grid-template-columns: 1fr;
      }

      .mini-map {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 720px) {
      header {
        align-items: flex-start;
        flex-direction: column;
      }

      nav {
        justify-content: flex-start;
      }

      .hero-grid {
        grid-template-columns: 1fr;
      }

      .mini-map {
        grid-column: span 1;
      }

      .shell {
        width: min(1220px, calc(100% - 18px));
      }
    }