:root {
  --bg: #0f1724;
  --bg-card: #1a2332;
  --text: #f5f7fa;
  --muted: #9aa8bc;
  --accent: #2dd4bf;
  --accent-2: #4f8cff;
  --border: rgba(45, 212, 191, 0.18);
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a5f 0%, transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(45, 212, 191, 0.12) 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max), 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(15, 23, 36, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0.5rem 0 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 52ch;
}

.hero-card {
  background: linear-gradient(145deg, rgba(26, 35, 50, 0.95), rgba(15, 23, 36, 0.9));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.hero-card li + li {
  margin-top: 0.45rem;
}

.section {
  padding: 2.5rem 0;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.6rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

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

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

.prose h2,
.prose h3 {
  color: var(--text);
}

.prose h2 {
  margin-top: 2rem;
}

.prose ul {
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.8rem;
  margin-right: 0.35rem;
}