:root {
  color-scheme: light;
  --ink: #07112c;
  --muted: #4e5c71;
  --line: rgba(0, 91, 180, 0.18);
  --panel: rgba(255, 255, 255, 0.86);
  --blue: #005bd7;
  --cyan: #14dce9;
  --aqua: #00c4a8;
  --bg-a: #f3f9ff;
  --bg-b: #e9f5ff;
  --bg-c: #e8fbf7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 8%, rgba(20, 220, 233, 0.20), transparent 30rem),
    linear-gradient(135deg, var(--bg-a), var(--bg-b) 48%, var(--bg-c));
}

a {
  color: var(--blue);
  font-weight: 700;
}

.shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 56px;
}

.hero {
  padding: 30px;
  color: white;
  border-radius: 18px;
  background: linear-gradient(135deg, #021055, #005bd7 58%, #00c4a8);
  box-shadow: 0 18px 48px rgba(7, 17, 44, 0.16);
}

.brand {
  margin: 0 0 18px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.2rem);
  line-height: 1.05;
}

.hero p {
  width: min(680px, 100%);
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.05rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  color: white;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.card,
.section {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 32px rgba(7, 17, 44, 0.08);
}

.section {
  margin-top: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h2,
h3 {
  margin: 0 0 8px;
  line-height: 1.25;
}

p,
ul {
  margin: 0 0 14px;
}

li {
  margin: 6px 0;
}

.muted {
  color: var(--muted);
}

.footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 24px, 980px);
    padding-top: 18px;
  }

  .hero {
    padding: 22px;
  }

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