:root {
      --bg: #0b0d10;
      --panel: #101419;
      --text: #e8eef4;
      --muted: #9aa7b3;
      --border: #1c252e;
      --accent: #5cc8ff;
      --radius: 16px;
      --shadow: 0 12px 28px rgba(0,0,0,.35);
      --maxw: 1100px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html, body { height: 100%; }
    body {
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }

    a { color: var(--accent); text-decoration: none; }
    a:hover { text-decoration: underline; }

    .wrap { width: min(100%, var(--maxw)); margin: 0 auto; padding: 0 20px; }

    /* Header / Nav */
    header { position: sticky; top: 0; z-index: 10; background: var(--panel); border-bottom: 1px solid var(--border); }
    .nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
    .brand { display: flex; gap: 8px; align-items: center; font-weight: 800; }
    .brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
    .nav a { color: var(--text); margin-left: 16px; }

    /* Hero */
    .hero { display: flex; flex-wrap: wrap; gap: 20px; padding: 40px 0; }
    .card { flex: 1; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
    h1 { font-size: 2rem; margin-bottom: 10px; }
    .sub { color: var(--muted); margin-bottom: 16px; }
    .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
    .chip { padding: 6px 10px; border-radius: 12px; background: #0f151a; border: 1px solid #22303a; font-size: 13px; }
    .cta { display: flex; flex-wrap: wrap; gap: 10px; }
    .btn { padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: #12171b; color: var(--text); font-weight: 600; cursor: pointer; }
    .btn.primary { background: var(--accent); color: #0a0c0e; border: none; }

    .avatar { width: 100%; height: 100%; border-radius: var(--radius); border: 1px dashed var(--border); display: flex; align-items: center; justify-content: center; color: var(--muted); }

    /* Sections */
    section { margin: 40px 0; }
    h2 { font-size: 1.5rem; margin-bottom: 12px; }
    .muted { color: var(--muted); font-size: 14px; }
    .panel { padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); margin-bottom: 20px; }

    .grid { display: grid; gap: 16px; }
    @media (min-width: 720px) { .grid.cols-3 { grid-template-columns: repeat(3, 1fr); } .grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }

    .tags { display: flex; flex-wrap: wrap; gap: 6px; }
    .tag { font-size: 12px; padding: 6px 10px; background: #0f151a; border: 1px solid #22303a; border-radius: 999px; }

    /* Footer */
    footer { margin: 40px 0 20px; text-align: center; color: var(--muted); }