:root {
      --primary: #5b21b6;
      --text: #0f172a;
      --muted: #475569;
      --bg: #f8fafc;
      --card: #ffffff;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }
    .page {
      max-width: 960px;
      margin: 0 auto;
      padding: 3rem 1.5rem 4rem;
    }
    .hero {
      background: linear-gradient(135deg, rgba(91, 33, 182, 0.12), rgba(99, 102, 241, 0.08));
      border-radius: 20px;
      padding: 2.5rem;
      box-shadow: 0 16px 30px rgba(15, 23, 42, 0.1);
      margin-bottom: 2rem;
    }
    .hero h1 {
      margin: 0 0 0.75rem;
      font-size: clamp(2rem, 4vw, 2.8rem);
      color: var(--primary);
    }
    .hero p {
      margin: 0;
      color: var(--muted);
      max-width: 600px;
    }
    .stack {
      display: grid;
      gap: 1.5rem;
    }
    .card {
      background: var(--card);
      border-radius: 16px;
      padding: 1.5rem;
      box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    }
    .card h2 {
      margin-top: 0;
      color: var(--text);
      font-size: 1.2rem;
    }
    .card p,
    .card li {
      margin: 0.4rem 0;
      color: var(--muted);
    }
    .card ul {
      padding-left: 1.2rem;
      margin: 0.5rem 0 0;
    }
    .card a {
      color: var(--primary);
      text-decoration: none;
    }
    .card a:hover {
      text-decoration: underline;
    }
    .site-footer {
      margin-top: 3rem;
      background: #1e293b;
      color: #94a3b8;
      padding: 2rem 1rem;
      text-align: center;
      border-radius: 16px;
    }
    .footer-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1rem;
    }
    .footer-logo {
      display: inline-block;
      color: #e2e8f0;
      font-weight: 600;
      text-decoration: none;
    }
    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 0.6rem 1.2rem;
    }
    .footer-nav a {
      color: #94a3b8;
      text-decoration: none;
      transition: color 0.2s;
      font-size: 0.9rem;
    }
    .footer-nav a:hover {
      color: #c7d2fe;
      text-decoration: underline;
    }