:root {
  --navy: #0b1526;
  --navy-panel: #12203a;
  --gold: #e8b23c;
  --text: #f2f4f8;
  --text-dim: #9fadc4;
  --divider: #223354;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--navy);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

header.site {
  text-align: center;
  padding: 40px 24px 8px;
}

header.site .mark {
  font-size: 40px;
  color: var(--gold);
}

h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 12px 0 4px;
}

.tagline {
  color: var(--text-dim);
  font-size: 16px;
}

h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--gold);
  margin: 32px 0 10px;
}

p, li { color: var(--text); font-size: 16px; }
p { margin: 12px 0; }
ul { margin: 12px 0 12px 24px; }
li { margin: 6px 0; }
ol { margin: 12px 0 12px 24px; }

.source-list li { margin-bottom: 14px; }

.scope-note {
  border-left: 3px solid var(--gold);
  padding-left: 18px;
}

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

.meta { color: var(--text-dim); font-size: 14px; }

.card {
  background: var(--navy-panel);
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 20px 0;
}

nav.foot {
  border-top: 1px solid var(--divider);
  margin-top: 48px;
  padding-top: 20px;
  display: flex;
  gap: 20px;
  justify-content: center;
  font-size: 14px;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: var(--gold);
  color: #17233c;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  margin-top: 18px;
}
.btn:hover { text-decoration: none; opacity: 0.92; }

.app-icon {
  width: 88px;
  height: 88px;
  border-radius: 18px;
  display: block;
  margin: 0 auto 14px;
}