:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --text: #0f172a;
  --muted: #475569;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: var(--primary);
  text-underline-offset: 2px;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(760px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
}

.brand {
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 1rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 1rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.7;
}

.lede {
  font-size: 1.1rem;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

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

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

.stat-card,
.card,
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.stat-value {
  margin: 0.2rem 0;
  font-size: 3rem;
  line-height: 1;
  color: var(--text);
  font-weight: 800;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
}

.section {
  padding: 3.2rem 0;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.2rem;
  align-items: start;
}

.social-list {
  padding-left: 1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 880px) {
  .hero-grid,
  .cards,
  .two-col {
    grid-template-columns: 1fr;
  }

  .nav {
    gap: 0.75rem;
    font-size: 0.95rem;
  }
}