:root {
  color-scheme: dark;
  --bg: #070807;
  --panel: #121411;
  --panel-2: #191c17;
  --text: #efeede;
  --muted: #aeb0a3;
  --lime: #ccfa22;
  --rose: #eb5663;
  --line: rgba(239, 238, 222, 0.12);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 0%, rgba(204, 250, 34, 0.16), transparent 34rem),
    radial-gradient(circle at 10% 12%, rgba(235, 86, 99, 0.11), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.wrap {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--lime);
  color: #080907;
  font-weight: 950;
}

.links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  padding: 54px 0 36px;
}

.eyebrow {
  color: var(--lime);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 14px 0 18px;
  font-size: clamp(42px, 8vw, 86px);
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(17px, 2.4vw, 22px);
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 34px 0 54px;
}

.card,
.doc-section {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(160deg, rgba(25, 28, 23, 0.92), rgba(12, 14, 12, 0.88));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.card {
  min-height: 190px;
  padding: 22px;
  text-decoration: none;
  color: var(--text);
}

.card span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: var(--lime);
  color: #080907;
  font-weight: 950;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 22px;
}

.card p,
.doc-section p,
.doc-section li {
  color: var(--muted);
  line-height: 1.65;
}

.doc {
  padding-bottom: 70px;
}

.doc-header {
  padding: 48px 0 22px;
}

.doc-header h1 {
  font-size: clamp(38px, 6vw, 68px);
}

.lang-note {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}

.doc-section {
  margin-top: 14px;
  padding: 24px;
}

.doc-section h2 {
  margin: 0 0 10px;
  font-size: 24px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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