/* Severe Clear marketing site — "First Light" palette (see BRANDING.md). */
:root {
  --night: #0a1130;
  --night-deep: #060a1a;
  --predawn: #4b3768;
  --horizon: #ff9e45;
  --gold: #ffb454;
  --clear-air: #7fe3ff;
  --contrail: #fff4e0;
  --text: #e9e6f2;
  --muted: #a9a6c0;
  --rule: rgba(255, 244, 224, 0.12);
  --card: rgba(255, 255, 255, 0.04);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--night-deep);
  color: var(--text);
  font: 17px/1.6 var(--sans);
}

a { color: var(--gold); text-underline-offset: 3px; }
a:hover { color: var(--contrail); }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.prose { max-width: 720px; }

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--contrail);
  text-decoration: none;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand span {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 15px;
}
.brand span b { color: var(--gold); font-weight: 800; }
.nav { display: flex; gap: 20px; font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--contrail); }

/* Hero: the severe-clear dawn */
.hero {
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(255, 158, 69, 0.35), transparent 70%),
    linear-gradient(180deg, var(--night) 0%, #20264f 50%, var(--predawn) 82%, #9a4f50 96%, var(--horizon) 100%);
  border-bottom: 3px solid var(--contrail);
  box-shadow: 0 2px 24px rgba(255, 158, 69, 0.45);
}
.hero-body { padding: 72px 0 96px; text-align: center; }
.hero-icon {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}
.wordmark {
  margin: 28px 0 0;
  font-size: clamp(40px, 9vw, 72px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--contrail);
}
.wordmark .clear {
  display: block;
  color: var(--gold);
  border-top: 2px solid var(--gold);
  width: fit-content;
  margin: 10px auto 0;
  padding-top: 10px;
}
.tagline {
  margin: 24px auto 0;
  font-size: clamp(19px, 3.4vw, 24px);
  color: var(--contrail);
}
.lede { margin: 12px auto 0; max-width: 560px; color: var(--text); opacity: 0.85; }
.status {
  display: inline-block;
  margin-top: 28px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 180, 84, 0.5);
  border-radius: 999px;
  font: 600 13px/1.4 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(10, 17, 48, 0.5);
}

/* Features */
.section { padding: 64px 0; }
.section h2 {
  margin: 0 0 8px;
  font: 600 13px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clear-air);
}
.section .title { margin: 0 0 32px; font-size: 28px; line-height: 1.25; color: var(--contrail); }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.card {
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; color: var(--contrail); }
.card p { margin: 0; font-size: 15px; color: var(--muted); }

.principles { border-top: 1px solid var(--rule); }
.principles ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.principles li { padding-left: 22px; position: relative; }
.principles li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

/* Legal / support pages */
.page { padding-top: 40px; padding-bottom: 72px; }
.page h1 { margin: 0 0 4px; font-size: 34px; color: var(--contrail); }
.page .meta { margin: 0 0 32px; font: 13px/1.5 var(--mono); color: var(--muted); }
.page h2 { margin: 40px 0 8px; font-size: 21px; color: var(--contrail); }
.page h3 { margin: 24px 0 4px; font-size: 17px; color: var(--contrail); }
.page p, .page li { color: var(--text); }
.page ul { padding-left: 22px; }
.callout {
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  background: var(--card);
  border-radius: 0 10px 10px 0;
}
.callout ul { margin: 8px 0 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 28px 0 40px;
  font-size: 14px;
  color: var(--muted);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--contrail); }
.site-footer nav { display: flex; gap: 20px; }

@media (max-width: 520px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero-body { padding: 48px 0 72px; }
}