:root {
  --bg: #0f172a;
  --surface: #111827;
  --surface-light: #1f2937;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #38bdf8;
  --accent-dark: #0284c7;
  --border: rgba(255,255,255,0.12);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #1e3a8a 0, #0f172a 36%, #020617 100%);
  line-height: 1.6;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  background: rgba(15,23,42,0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: .75rem;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: #020617;
  font-weight: 900;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.nav-toggle { display: none; }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  align-items: center;
  gap: 3rem;
  min-height: 72vh;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2.6rem, 7vw, 5.8rem);
  line-height: .95;
  letter-spacing: -.07em;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -.05em;
}

h3 { margin-bottom: .4rem; }
p { color: var(--muted); }

.hero-copy {
  max-width: 680px;
  font-size: 1.25rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .16em;
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: .85rem 1.15rem;
  font-weight: 750;
  text-decoration: none;
  border: 1px solid var(--border);
}

.button.primary {
  color: #020617;
  background: var(--accent);
  border-color: transparent;
}

.button.secondary {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.hero-card,
.card-panel,
.feature-grid article {
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: rgba(255,255,255,0.06);
  box-shadow: 0 24px 90px rgba(0,0,0,.28);
}

.hero-card {
  padding: 2rem;
}

.card-label {
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .75rem;
}

.split,
.two-column {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 3rem;
}

.stack > * + * { margin-top: 1.2rem; }

.feature-grid,
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.feature-grid article,
.cards article {
  padding: 1.25rem;
}

.muted {
  background: rgba(255,255,255,0.035);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contact-band {
  text-align: center;
}

.narrow {
  max-width: 820px;
}

.page-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

.card-panel {
  padding: 2rem;
}

.legal h2 { font-size: 1.45rem; margin-top: 2.2rem; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--border);
}

.site-footer nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
    border: 1px solid var(--border);
    color: var(--text);
    background: rgba(255,255,255,.06);
    border-radius: 999px;
    padding: .5rem .8rem;
  }
  .site-nav {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 4.5rem;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: #020617;
  }
  .site-nav.open { display: flex; }
  .hero,
  .split,
  .two-column,
  .feature-grid,
  .cards {
    grid-template-columns: 1fr;
  }
  .section { padding: 3.5rem 1rem; }
  .site-footer { flex-direction: column; }
}