:root {
  --primary: #0c4a6e;
  --primary-light: #0369a1;
  --accent: #0ea5e9;
  --slate: #64748b;
  --slate-dark: #0f172a;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--slate-dark);
  background: var(--bg);
}

.wrap {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

.narrow {
  max-width: 52ch;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--slate-dark);
  text-decoration: none;
}

.logo-accent {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--slate);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--primary-light);
}

.hero {
  padding: clamp(3rem, 10vw, 6rem) 0;
  background: linear-gradient(165deg, #e0f2fe 0%, var(--bg) 55%);
}

.hero-inner {
  max-width: 40rem;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--slate-dark);
}

.lede {
  margin: 0;
  font-size: 1.125rem;
  color: var(--slate);
}

.section {
  padding: clamp(3rem, 8vw, 5rem) 0;
}

.section-alt {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--primary);
}

.section p {
  margin: 0 0 1rem;
  color: var(--slate);
}

.section-intro {
  margin-bottom: 2rem !important;
}

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
  color: var(--slate-dark);
}

.card p {
  margin: 0 0 1rem;
  font-size: 0.98rem;
}

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

.card-meta {
  font-size: 0.875rem !important;
  color: var(--slate) !important;
}

.card-meta code {
  font-size: 0.85em;
  background: var(--surface);
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.65rem 1.15rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-secondary {
  background: var(--surface);
  color: var(--primary-light);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.fine-print {
  font-size: 0.875rem !important;
  color: var(--slate) !important;
  margin-top: 2rem !important;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
  background: var(--slate-dark);
  color: #94a3b8;
  font-size: 0.875rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.logo-footer {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #e2e8f0;
}

.footer-legal {
  opacity: 0.85;
}

@media (max-width: 640px) {
  .nav {
    gap: 1rem;
  }

  .nav a {
    font-size: 0.875rem;
  }
}