:root {
  --abyss: #071a33;
  --deep-sea: #0b2545;
  --sea: #13315c;
  --wave: #1b4377;
  --foam: #eef4ed;
  --mist: #8da9c4;
  --wax: #9e2a2b;
  --wax-dark: #6f1d1e;
  --moon: #f2e8cf;
  --paper: #f6eedc;
  --ink: #2b2118;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--abyss) 0%, var(--deep-sea) 45%, var(--sea) 100%);
  color: var(--foam);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--moon); text-underline-offset: 3px; }
a:hover { color: #fff; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 700 22px var(--serif);
  color: var(--foam);
  text-decoration: none;
}
.seal {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #c0413f, var(--wax) 55%, var(--wax-dark));
  box-shadow: inset 0 0 0 3px rgba(0, 0, 0, 0.15);
}
nav.site { display: flex; gap: 18px; font-size: 15px; }
nav.site a { color: var(--mist); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current='page'] { color: var(--foam); }

/* ---------- Landing ---------- */

.hero { text-align: center; padding: 56px 0 24px; }
.moon {
  width: 92px;
  height: 92px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: var(--moon);
  box-shadow: 0 0 60px rgba(242, 232, 207, 0.35), inset -14px -8px 0 rgba(0, 0, 0, 0.08);
}
.hero h1 {
  font: 700 clamp(34px, 7vw, 52px) / 1.15 var(--serif);
  margin: 0 0 16px;
}
.hero p { color: var(--mist); font-size: 19px; margin: 0 auto; max-width: 30em; }

.badge {
  display: inline-block;
  margin-top: 28px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid var(--wave);
  color: var(--foam);
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin: 48px 0 24px;
}
.step {
  background: var(--paper);
  color: var(--ink);
  border-radius: 18px;
  padding: 20px;
}
.step h2 { font: 700 19px var(--serif); margin: 0 0 6px; }
.step p { margin: 0; font-size: 15.5px; line-height: 1.55; }

/* ---------- Documents ---------- */

article.doc { padding: 24px 0 8px; }
article.doc h1 { font: 700 clamp(30px, 6vw, 40px) / 1.2 var(--serif); margin: 8px 0 4px; }
article.doc .updated { color: var(--mist); margin: 0 0 28px; font-size: 15px; }
article.doc h2 { font: 700 22px var(--serif); margin: 36px 0 8px; }
article.doc h3 { font-size: 17px; margin: 22px 0 4px; }
article.doc ul, article.doc ol { padding-left: 1.3em; }
article.doc li { margin: 4px 0; }
article.doc strong { color: #fff; }

.card {
  background: rgba(19, 49, 92, 0.7);
  border: 1px solid var(--wave);
  border-radius: 18px;
  padding: 18px 22px;
  margin: 18px 0;
}
.card p:first-child { margin-top: 0; }
.card p:last-child, .card ol:last-child, .card ul:last-child { margin-bottom: 0; }

footer.site {
  margin-top: 56px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--wave);
  color: var(--mist);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
footer.site a { color: var(--mist); }

@media (max-width: 480px) {
  body { font-size: 16px; }
  nav.site { gap: 12px; font-size: 14px; }
  .brand { font-size: 20px; }
}