:root {
    --ink: #f4f5f4;
    --ink-2: #a9aeac;
    --ink-3: #6f7573;
    --bg: #0a0b0a;
    --card: #121413;
    --line: #1f2321;
    --accent: #3cffc3;
    --r: 14px;
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  .shell { width: 100%; max-width: 940px; margin: 0 auto; padding: 0 24px; }
  a { color: var(--accent); }

  header { padding: 26px 0; border-bottom: 1px solid var(--line); }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; font-size: 14px; }
  .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

  .hero { padding: clamp(56px, 9vw, 96px) 0 clamp(40px, 6vw, 64px); }
  h1 { margin: 0 0 18px; font-size: clamp(30px, 5.2vw, 50px); line-height: 1.12; font-weight: 300; letter-spacing: -.02em; text-wrap: balance; }
  h1 b { font-weight: 650; color: var(--accent); }
  .lead { margin: 0; max-width: 62ch; color: var(--ink-2); font-size: clamp(16px, 2vw, 19px); }

  .grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
  .card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 600; }
  .card p { margin: 0; color: var(--ink-2); font-size: 15px; }

  section { padding: clamp(38px, 6vw, 64px) 0; border-top: 1px solid var(--line); }
  h2 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 30px); font-weight: 400; letter-spacing: -.01em; }
  .sub { margin: 0 0 26px; color: var(--ink-3); max-width: 60ch; }

  .price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin: 0 0 14px; }
  .price b { font-size: clamp(34px, 6vw, 48px); font-weight: 600; letter-spacing: -.02em; }
  .price span { color: var(--ink-3); }
  ul.plain { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
  ul.plain li { padding-left: 26px; position: relative; color: var(--ink-2); font-size: 15px; }
  ul.plain li::before { content: ''; position: absolute; left: 6px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

  .cta { display: inline-flex; align-items: center; gap: 10px; margin-top: 22px; padding: 14px 26px; border-radius: 999px; background: var(--accent); color: #05130f; font-weight: 650; text-decoration: none; }

  dl { margin: 0; display: grid; gap: 14px; }
  dt { color: var(--ink-3); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
  dd { margin: 4px 0 0; }

  footer { padding: 34px 0 46px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 14px; }
  footer nav { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 16px; }
  footer a { color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line); }