:root {
  color-scheme: light dark;
  --bg: #f6f9fc;
  --card: #ffffff;
  --panel: #eef6fb;
  --text: #142035;
  --muted: #65748a;
  --line: #d8e5f0;
  --accent: #087c8f;
  --accent-strong: #035c6d;
  --gold: #a87400;
  --shadow: 0 24px 70px rgba(20, 32, 53, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #06101d;
    --card: #0d1a2b;
    --panel: #10253a;
    --text: #eef7ff;
    --muted: #a7b7ca;
    --line: #243a54;
    --accent: #39f5ff;
    --accent-strong: #8afaff;
    --gold: #f6d365;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(57, 245, 255, 0.16), transparent 34rem),
    radial-gradient(circle at top right, rgba(246, 211, 101, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header,
.site-footer,
main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: #06101d;
  font-weight: 900;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 15px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: stretch;
  padding: 34px 0 22px;
}

.hero-copy,
.info-card,
.content-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

@media (prefers-color-scheme: dark) {
  .hero-copy,
  .info-card,
  .content-card {
    background: rgba(13, 26, 43, 0.78);
  }
}

.hero-copy {
  padding: clamp(28px, 6vw, 56px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

h1 {
  margin: 18px 0 16px;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.25;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

p,
li {
  color: var(--muted);
  font-size: 16px;
}

.lead {
  max-width: 760px;
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--text);
  color: var(--card);
  font-weight: 800;
}

.button.secondary {
  background: transparent;
  color: var(--accent-strong);
}

.info-card {
  display: grid;
  align-content: space-between;
  padding: 28px;
  overflow: hidden;
}

.orbit {
  position: relative;
  min-height: 220px;
  border-radius: 22px;
  background:
    linear-gradient(120deg, rgba(57, 245, 255, 0.18), transparent),
    var(--panel);
  border: 1px solid var(--line);
}

.orbit::before,
.orbit::after {
  position: absolute;
  content: "";
  inset: 38px;
  border: 1px solid rgba(57, 245, 255, 0.5);
  border-radius: 50%;
}

.orbit::after {
  inset: 70px;
  border-color: rgba(246, 211, 101, 0.62);
}

.node {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px var(--accent);
}

.node.one {
  left: 24%;
  top: 22%;
}

.node.two {
  right: 18%;
  top: 38%;
  background: var(--gold);
  box-shadow: 0 0 24px var(--gold);
}

.node.three {
  left: 48%;
  bottom: 18%;
}

.core {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  width: 88px;
  height: 88px;
  place-items: center;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--accent-strong);
  font-weight: 900;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.46);
}

@media (prefers-color-scheme: dark) {
  .stat {
    background: rgba(255, 255, 255, 0.04);
  }
}

.stat strong {
  display: block;
  color: var(--accent-strong);
  font-size: 24px;
  line-height: 1.1;
}

.section {
  padding: 28px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.content-card {
  padding: 24px;
}

.page {
  padding: 20px 0 56px;
}

.document {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 48px);
}

.document h1 {
  font-size: clamp(30px, 5vw, 44px);
}

.updated,
.record {
  color: var(--accent-strong);
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 8px;
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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