:root {
  color-scheme: dark;
  --ink: #f5f7f6;
  --muted: rgba(245, 247, 246, 0.66);
  --faint: rgba(245, 247, 246, 0.42);
  --line: rgba(245, 247, 246, 0.14);
  --max: 720px;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: #0d1517; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1000px 620px at 65% -8%, rgba(113, 153, 160, 0.31), transparent 66%),
    radial-gradient(700px 520px at -12% 78%, rgba(57, 99, 103, 0.22), transparent 70%),
    linear-gradient(160deg, #111c1e 0%, #0c1416 56%, #101617 100%);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  background-image: linear-gradient(115deg, transparent 0 48%, rgba(255,255,255,.025) 49%, transparent 50% 100%);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 62%);
}

a { color: inherit; }

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  margin-bottom: clamp(52px, 11vh, 112px);
}

.brand {
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-link {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav-link:hover, .nav-link:focus-visible { color: var(--ink); }

.eyebrow {
  margin: 0 0 14px;
  color: var(--faint);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 640px;
  margin: 0;
  font-size: clamp(42px, 9vw, 72px);
  font-weight: 250;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.lead {
  max-width: 590px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 3vw, 21px);
  line-height: 1.58;
}

.links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 48px;
}

.link-card {
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  text-decoration: none;
  backdrop-filter: blur(18px);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.link-card:hover, .link-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(245,247,246,.28);
  background: linear-gradient(145deg, rgba(255,255,255,.105), rgba(255,255,255,.035));
}

.link-card span { display: block; }
.link-title { font-size: 20px; letter-spacing: -0.02em; }
.link-copy { margin-top: 38px; color: var(--faint); font-size: 14px; line-height: 1.45; }

.document h1 { font-size: clamp(40px, 8vw, 64px); }
.document .lead { margin-bottom: 56px; }

.section {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 13px;
  font-size: 19px;
  font-weight: 570;
  letter-spacing: -0.015em;
}

.section p, .section li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.section p { margin: 0; }
.section p + p { margin-top: 14px; }
.section ul { margin: 0; padding-left: 20px; }
.section li + li { margin-top: 8px; }
.section a { text-decoration-color: rgba(245,247,246,.35); text-underline-offset: 3px; }

.contact {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  padding: 12px 18px;
  border: 1px solid rgba(245,247,246,.24);
  border-radius: 999px;
  color: var(--ink);
  font-size: 15px;
  text-decoration: none;
}

.contact:hover, .contact:focus-visible { background: rgba(255,255,255,.08); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 48px;
  color: var(--faint);
  font-size: 12px;
}

@media (max-width: 560px) {
  .shell { width: min(calc(100% - 32px), var(--max)); padding-top: 18px; }
  .nav { margin-bottom: 54px; }
  .links { grid-template-columns: 1fr; }
  .link-card { min-height: 128px; }
  .link-copy { margin-top: 24px; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}