:root {
  color-scheme: dark;
  --bg: #070b10;
  --panel: #0d141d;
  --panel-2: #121c27;
  --line: #223246;
  --text: #f3f7fb;
  --muted: #94a6ba;
  --green: #4ee69a;
  --red: #ff6e7f;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(78, 230, 154, 0.11), transparent 34rem),
    linear-gradient(180deg, #080d13 0%, #05080c 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.62;
}

a { color: var(--green); }

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}

.brand img { width: 52px; height: 52px; border-radius: 50%; }
.brand strong { display: block; font-size: 18px; letter-spacing: -0.02em; }
.brand span { display: block; color: var(--muted); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }

.hero { padding: 76px 0 44px; }
.eyebrow { color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 12px 0 18px; font-size: clamp(42px, 8vw, 76px); line-height: 0.98; letter-spacing: -0.055em; }
.lede { max-width: 700px; color: #bdc9d6; font-size: clamp(18px, 3vw, 24px); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); background: var(--panel); text-decoration: none; font-weight: 750; }
.button.primary { color: #04110a; background: var(--green); border-color: var(--green); }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 24px 0 44px; }
.card { border: 1px solid var(--line); border-radius: 18px; padding: 22px; background: linear-gradient(145deg, rgba(18, 28, 39, 0.94), rgba(9, 15, 22, 0.94)); }
.card h2, .card h3 { margin-top: 0; }
.card p { color: var(--muted); }
.paper { border-color: rgba(78, 230, 154, 0.36); }
.warning { border-color: rgba(255, 110, 127, 0.36); }

.document { margin-top: 42px; }
.document h1 { font-size: clamp(36px, 7vw, 58px); }
.document h2 { margin-top: 38px; padding-top: 12px; border-top: 1px solid var(--line); }
.document p, .document li { color: #c4cfda; }
.document code { color: #b8ffd9; }

.footer { margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 680px) {
  .shell { width: min(100% - 24px, 920px); padding-top: 20px; }
  .hero { padding-top: 52px; }
  .grid { grid-template-columns: 1fr; }
}