:root {
  --bg: #0a1628;
  --bg-elevated: #122038;
  --text: #f2f6fc;
  --muted: #a8b3c7;
  --accent: #3d8bfd;
  --border: rgba(255, 255, 255, 0.08);
  --max: 720px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1a3358 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #0f2748 0%, transparent 50%), var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: #fff;
}

nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 2rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
}

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

ul {
  padding-left: 1.2rem;
}

li + li {
  margin-top: 0.4rem;
}

.hero {
  padding: 2rem 0 1rem;
}

.hero p {
  font-size: 1.05rem;
  max-width: 36rem;
}

.cards {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  display: block;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: rgba(61, 139, 253, 0.45);
  text-decoration: none;
  transform: translateY(-1px);
}

.card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.card span {
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}