:root {
  color-scheme: dark;
  --navy: #071426;
  --panel: #0d2340;
  --blue: #00308f;
  --ice: #84d7ff;
  --silver: #a6a6a8;
  --text: #f5f8fc;
  --muted: #b8c7d9;
  --line: rgba(132, 215, 255, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 0%, rgba(0, 48, 143, 0.5), transparent 32rem),
    linear-gradient(145deg, #050d19 0%, var(--navy) 55%, #091b33 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--ice);
}

.shell {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
}

header {
  padding: 30px 0 22px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(132, 215, 255, 0.48);
  border-radius: 14px;
  background: linear-gradient(150deg, var(--blue), #0b72ce);
  box-shadow: 0 14px 34px rgba(0, 48, 143, 0.35);
  color: white;
  font-size: 25px;
  font-weight: 1000;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 700;
}

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

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

main {
  padding: 68px 0 84px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--ice);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  line-height: 1.12;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(38px, 8vw, 68px);
  letter-spacing: -0.045em;
}

h2 {
  margin: 0 0 12px;
  font-size: 23px;
  letter-spacing: -0.015em;
}

.lede {
  max-width: 690px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--ice);
  border-radius: 14px;
  background: var(--ice);
  color: var(--navy);
  font-weight: 900;
  text-decoration: none;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.card,
.policy section {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(13, 35, 64, 0.74);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.15);
}

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

.policy {
  display: grid;
  gap: 16px;
  margin-top: 42px;
}

.policy ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.updated {
  margin-top: 12px;
  color: var(--silver);
  font-size: 14px;
}

footer {
  padding: 25px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--silver);
  font-size: 13px;
}

footer .shell {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

footer p {
  margin: 0;
}

@media (max-width: 680px) {
  main {
    padding-top: 48px;
  }

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