:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #101d2f;
  --text: #f5f8fc;
  --muted: #aab8cb;
  --accent: #67b7ff;
  --border: #2a405d;
  --max: 72rem;
}

* { box-sizing: border-box; }

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at 85% 0%, rgb(46 132 211 / 22%), transparent 30rem), linear-gradient(180deg, #0b1729 0%, var(--bg) 45%);
  color: var(--text);
}

a { color: var(--accent); }
a:hover { color: #9dd1ff; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  padding: 0.65rem 0.9rem;
  border-radius: 0.5rem;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-200%);
}

.skip-link:focus { transform: translateY(0); }

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid rgb(255 255 255 / 10%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 1px solid #8ac8ff;
  border-radius: 0.65rem;
  background: linear-gradient(145deg, #2a8dde, #16446e);
  box-shadow: 0 0.6rem 2rem rgb(25 126 207 / 25%);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

nav a[aria-current="page"] { color: var(--text); }

main { padding-block: clamp(3rem, 8vw, 6.5rem); }

.hero {
  max-width: 54rem;
  margin-bottom: 2.5rem;
}

.hero.compact { margin-bottom: 2rem; }

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.compact h1 {
  max-width: 20ch;
  font-size: clamp(2.25rem, 6vw, 4.3rem);
}

.lede {
  max-width: 48rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.3vw, 1.3rem);
}

.grid,
.policy {
  display: grid;
  gap: 1rem;
}

.grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.policy { max-width: 58rem; }

.card {
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(150deg, rgb(22 38 61 / 95%), rgb(13 27 45 / 94%));
  box-shadow: 0 1.4rem 3.5rem rgb(0 0 0 / 18%);
}

.card h2 {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
}

.card p:first-of-type,
.card ul:first-of-type { margin-top: 0; }

.card p:last-child,
.card ul:last-child { margin-bottom: 0; }

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

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid rgb(255 255 255 / 10%);
  color: var(--muted);
  font-size: 0.9rem;
}

footer p { margin: 0; }

@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }

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

  h1 { line-height: 1.04; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after { scroll-behavior: auto !important; }
}