:root {
  color-scheme: dark;
  --bg: #07111f;
  --surface: #0d1b2d;
  --surface-soft: #12243a;
  --line: rgba(164, 196, 232, 0.18);
  --text: #f7fbff;
  --muted: #b9c9da;
  --accent: #5eead4;
  --accent-2: #60a5fa;
  --warm: #fbbf24;
  --max: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -10%, rgba(96, 165, 250, 0.20), transparent 35rem),
    radial-gradient(circle at 90% 12%, rgba(94, 234, 212, 0.14), transparent 30rem),
    var(--bg);
  line-height: 1.72;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover { color: #a7f3d0; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.82);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: #07111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.nav-links a {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(255,255,255,0.07);
}

.hero {
  padding: clamp(5rem, 11vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 6.5rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3.5vw, 3rem);
}

h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
}

.lead {
  max-width: 760px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface-soft);
  text-decoration: none;
  font-weight: 750;
}

.button.primary {
  color: #07111f;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), #8be4ff);
}

.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }

.section + .section { border-top: 1px solid var(--line); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(18, 36, 58, 0.88), rgba(13, 27, 45, 0.72));
  box-shadow: 0 20px 55px rgba(0,0,0,0.13);
}

.card p, .muted { color: var(--muted); }

.card p { margin: 0; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.tag {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}

.notice {
  padding: 1.2rem 1.3rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: rgba(94, 234, 212, 0.08);
}

.notice p { margin: 0; }

.document {
  width: min(calc(100% - 2rem), 880px);
  margin-inline: auto;
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.document .meta {
  margin: -0.35rem 0 2.5rem;
  color: var(--muted);
}

.document section {
  padding: 1.7rem 0;
  border-top: 1px solid var(--line);
}

.document h2 { font-size: clamp(1.45rem, 3vw, 2rem); }

.document h3 { margin-top: 1.25rem; }

.document li + li { margin-top: 0.55rem; }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th, td {
  padding: 0.85rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th { background: var(--surface-soft); }

.site-footer {
  padding: 2.4rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 760px) {
  .nav { align-items: flex-start; padding-block: 0.75rem; }
  .brand span:last-child { display: none; }
  .grid { grid-template-columns: 1fr; }
}

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