:root {
      color-scheme: dark;
      --ink: #e8edf5;
      --paper: #0f1419;
      --cream: #151c26;
      --surface: #1a2330;
      --accent: #14b8a6;
      --muted: #94a3b8;
      --border: #334155;
      --font-head: 'Playfair Display', Georgia, serif;
      --font-body: 'DM Mono', 'Courier New', monospace;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      margin: 0;
      font-family: var(--font-body);
      background: var(--paper);
      color: var(--ink);
      min-height: 100vh;
      line-height: 1.6;
      padding: 0 1rem 2.5rem;
    }
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: -1;
      opacity: 0.2;
    }
    .shell {
      max-width: 900px;
      margin: 0 auto;
    }
    header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      padding: 2rem 0 1.2rem;
      border-bottom: 2px solid var(--ink);
      margin-bottom: 1.2rem;
    }
    .top-nav {
      display: flex;
      gap: 0.7rem;
      align-items: center;
      margin-left: auto;
      margin-right: 1rem;
      flex-wrap: wrap;
    }
    .top-nav a {
      font-size: 0.6rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      text-decoration: none;
      border: 1px solid var(--border);
      background: var(--surface);
      padding: 0.32rem 0.62rem;
      margin: 0.08rem 0;
      border-radius: 999px;
      box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.2);
      transition: color 0.15s, border-color 0.15s, background 0.15s, transform 0.15s;
    }
    .top-nav a:hover,
    .top-nav a:focus-visible {
      color: var(--ink);
      border-color: var(--accent);
      background: color-mix(in srgb, var(--surface) 65%, var(--accent) 35%);
      transform: translateY(-1px);
      outline: none;
    }
    .top-nav a[aria-current="page"] {
      color: var(--ink);
      border-color: var(--accent);
      background: color-mix(in srgb, var(--surface) 65%, var(--accent) 35%);
    }
    .logo {
      font-family: var(--font-head);
      font-size: clamp(1.6rem, 5vw, 2.4rem);
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1;
      color: var(--ink);
      text-decoration: none;
    }
    .logo span { color: var(--accent); font-style: italic; }
    header h2 {
      font-size: 0.75rem;
      font-weight: 500;
      color: var(--muted);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin: 0;
      font-family: var(--font-body);
      line-height: 1.2;
    }
    .tagline {
      font-size: 0.68rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      font-weight: 300;
    }
    @media (max-width: 480px) {
      header {
        padding: 1.2rem 0 1rem;
        display: grid;
        grid-template-columns: 1fr;
        align-items: start;
        justify-items: start;
        gap: 0.45rem;
      }
      .top-nav {
        margin: 0;
        width: 100%;
        justify-content: flex-start;
      }
      .tagline { margin-top: 0.2rem; }
    }
    .panel {
      background: var(--cream);
      border: 2px solid var(--ink);
      padding: 1.1rem;
      margin-bottom: 1rem;
    }
    h1 {
      font-family: var(--font-head);
      margin: 0 0 0.45rem;
      line-height: 1.2;
      color: var(--ink);
      font-size: clamp(1.4rem, 3vw, 1.75rem);
    }
    h2 {
      font-family: var(--font-head);
      margin: 0 0 0.45rem;
      line-height: 1.2;
      color: var(--ink);
      font-size: 1.15rem;
    }
    p { margin: 0 0 0.7rem; color: var(--muted); }
    p:last-child { margin-bottom: 0; }
    .panel a { color: var(--accent); text-decoration: none; }
    footer {
      margin-top: 1.2rem;
      border-top: 1px solid var(--border);
      padding-top: 0.8rem;
      color: var(--muted);
      font-size: 0.62rem;
      letter-spacing: 0.06em;
      display: flex;
      justify-content: space-between;
      gap: 0.5rem;
      flex-wrap: wrap;
    }
    footer a {
      color: var(--accent);
      text-decoration: none;
    }