:root {
      --bg: #fbf7f2;
      --card: rgba(255, 255, 255, 0.94);
      --border: #ecdccf;
      --border-soft: rgba(236, 220, 207, 0.72);
      --text: #16120f;
      --muted: #7a685d;
      --muted-light: #b59d8b;
      --accent: #fc5200;
      --accent-strong: #c2410c;
      --accent-soft: #fff1e7;
      --shadow: 0 18px 60px rgba(143, 63, 18, 0.09);
    }

    html[data-theme="dark"] {
      --bg: #07111f;
      --card: rgba(12, 23, 40, 0.94);
      --border: #233650;
      --border-soft: rgba(35, 54, 80, 0.84);
      --text: #edf4ff;
      --muted: #9bb0cc;
      --muted-light: #6f88ab;
      --accent: #4da3ff;
      --accent-strong: #82c0ff;
      --accent-soft: rgba(77, 163, 255, 0.12);
      --shadow: 0 24px 60px rgba(0, 5, 18, 0.38);
    }

    * { box-sizing: border-box; }

    html, body {
      margin: 0;
      padding: 0;
      background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 14%, transparent), transparent 34%),
        radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 10%, transparent), transparent 28%),
        linear-gradient(180deg, color-mix(in srgb, var(--bg) 65%, white) 0%, var(--bg) 100%);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    .page {
      position: relative;
      min-height: 100vh;
      max-width: 56rem;
      margin: 0 auto;
      padding: 40px 24px 64px;
    }

    .page::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent 46%);
      opacity: 0.46;
    }

    .topbar {
      position: relative;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 1px solid rgba(252, 82, 0, 0.16);
      background: rgba(255, 247, 240, 0.92);
      color: var(--accent-strong);
      border-radius: 999px;
      padding: 7px 13px;
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: none;
      box-shadow: 0 10px 24px rgba(252, 82, 0, 0.08);
      backdrop-filter: blur(12px);
      transition: color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    }

    .topbar:hover {
      color: var(--accent);
      transform: translateY(-1px);
      box-shadow: 0 14px 28px rgba(252, 82, 0, 0.1);
    }

    .hero {
      position: relative;
      z-index: 1;
      margin: 30px 0 28px;
    }

    h1 {
      margin: 0 0 16px;
      font-size: clamp(2.5rem, 7vw, 3.75rem);
      line-height: 0.98;
      letter-spacing: -0.045em;
      font-weight: 650;
      color: var(--text);
      max-width: 42rem;
    }

    .lede {
      margin: 0;
      max-width: 42rem;
      font-size: 1.05rem;
      line-height: 1.78;
      color: var(--muted);
    }

    .card {
      position: relative;
      overflow: hidden;
      margin-top: 22px;
      padding: 26px;
      border: 1px solid var(--border-soft);
      border-radius: 28px;
      background: linear-gradient(180deg, color-mix(in srgb, var(--card) 94%, white), color-mix(in srgb, var(--card) 88%, var(--bg)));
      box-shadow: var(--shadow);
    }

    .card::after {
      content: "";
      position: absolute;
      inset: -38% auto auto 72%;
      width: 170px;
      height: 170px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(252, 82, 0, 0.12), rgba(252, 82, 0, 0));
      pointer-events: none;
    }

    h2 {
      margin: 0 0 12px;
      font-size: 1.05rem;
      letter-spacing: -0.02em;
      position: relative;
      z-index: 1;
    }

    p {
      margin: 0 0 16px;
      color: var(--muted);
      line-height: 1.8;
      position: relative;
      z-index: 1;
    }

    p:last-child {
      margin-bottom: 0;
    }

    .link {
      color: var(--accent-strong);
      text-decoration: none;
    }

    .link:hover {
      color: var(--accent);
    }

    .grid {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 16px;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      margin-top: 18px;
    }

    .mini-card {
      padding: 18px;
      border-radius: 20px;
      border: 1px solid var(--border-soft);
      background: color-mix(in srgb, var(--card) 92%, transparent);
      box-shadow: 0 14px 28px rgba(143, 63, 18, 0.05);
      transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    }

    .mini-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(252, 82, 0, 0.08);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 244, 0.96));
    }

    .mini-title {
      margin: 0 0 8px;
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: var(--muted-light);
    }

    .mini-copy {
      margin: 0;
      font-size: 0.95rem;
      line-height: 1.75;
      color: var(--muted);
    }

    .footer {
      position: relative;
      z-index: 1;
      margin-top: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 0.875rem;
      color: var(--muted-light);
    }

    .theme-toggle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(252, 82, 0, 0.14);
      background: rgba(255, 247, 240, 0.82);
      color: var(--text);
      border-radius: 999px;
      padding: 8px 12px;
      font-size: 0.82rem;
      cursor: pointer;
      transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
    }

    .theme-toggle:hover {
      transform: translateY(-1px);
      background: color-mix(in srgb, var(--accent-soft) 72%, var(--card));
      border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
    }

    .theme-toggle-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--accent), var(--accent-strong));
      box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 10%, transparent);
    }

    .footer-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-strong);
      text-decoration: none;
      transition: color 0.15s ease, transform 0.15s ease;
    }

    .footer-link:hover {
      color: var(--accent);
      transform: translateY(-1px);
    }

    .footer-icon {
      width: 16px;
      height: 16px;
      display: inline-flex;
    }

    html[data-theme="dark"] .topbar {
      border-color: rgba(130, 192, 255, 0.16);
      background: rgba(12, 23, 40, 0.9);
      color: var(--accent-strong);
      box-shadow: 0 14px 28px rgba(0, 5, 18, 0.24);
    }

    html[data-theme="dark"] .card,
    html[data-theme="dark"] .mini-card {
      border-color: rgba(35, 54, 80, 0.9);
    }

    html[data-theme="dark"] .mini-card:hover {
      background: linear-gradient(180deg, rgba(16, 29, 48, 0.98), rgba(12, 23, 40, 0.94));
      box-shadow: 0 18px 34px rgba(0, 5, 18, 0.24);
    }

    html[data-theme="dark"] .theme-toggle {
      border-color: rgba(130, 192, 255, 0.16);
      background: rgba(12, 23, 40, 0.9);
    }

    html[data-theme="dark"] .theme-toggle:hover {
      background: rgba(18, 33, 54, 0.98);
      border-color: rgba(130, 192, 255, 0.24);
    }

    @media (max-width: 700px) {
      .page {
        padding: 28px 16px 48px;
      }

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

      .card {
        padding: 20px;
      }
    }