:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #0d1b2d;
  --panel-soft: #10243a;
  --text: #f5f8fc;
  --muted: #adbed0;
  --line: #23405c;
  --accent: #56d6b3;
  --accent-strong: #74e8c7;
  --max: 920px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 0%, rgba(58, 161, 164, .2), transparent 34rem),
    linear-gradient(160deg, #07111f 0%, #091522 52%, #07111f 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a { color: var(--accent-strong); }

a:hover { text-decoration-thickness: 2px; }

.wrap {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

header {
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(7,17,31,.8);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -.02em;
}

.mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--accent), #2f95a8);
  color: #041519;
  font-weight: 900;
}

nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: .94rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

main { padding: clamp(3rem, 7vw, 6.5rem) 0 4rem; }

.eyebrow {
  margin: 0 0 .8rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .78rem;
}

h1, h2 { line-height: 1.12; letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(2.5rem, 8vw, 5.5rem); max-width: 12ch; }
h2 { margin: 0 0 .8rem; font-size: clamp(1.45rem, 3vw, 2rem); }

.lede {
  max-width: 680px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.7rem;
  padding: .65rem .9rem;
  border: 1px solid rgba(86,214,179,.35);
  border-radius: 999px;
  background: rgba(86,214,179,.08);
  color: #c5f9e9;
  font-weight: 650;
  font-size: .92rem;
}

.dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: clamp(3rem, 7vw, 5.5rem);
}

.card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(16,36,58,.92), rgba(10,25,42,.92));
}

.card strong { display: block; margin-bottom: .35rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); }

.document { max-width: 760px; }
.document h1 { max-width: none; font-size: clamp(2.35rem, 6vw, 4.4rem); }
.document h2 { margin-top: 2.6rem; }
.document p, .document li { color: #c8d5e2; }
.document ul { padding-left: 1.25rem; }
.updated { margin: 1rem 0 2.5rem; color: var(--muted); }

footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255,255,255,.08);
  color: var(--muted);
  font-size: .92rem;
}

.footer-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 720px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .grid { grid-template-columns: 1fr; }
  main { padding-top: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}