:root {
  --bg: #0b1220;
  --panel: #111827;
  --card: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22d3ee;
  --border: #1f2937;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1100px;
  padding: 0 1rem;
  margin: auto;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,18,32,.9);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 700;
  letter-spacing: .5px;
}

.nav {
  display: flex;
  gap: 1.25rem;
}

.hamburger {
  display: none;
  font-size: 1.4rem;
  background: none;
  border: none;
  color: var(--text);
}

/* Hero */
.hero {
  padding: 4rem 0;
}

.hero-grid {
  display: grid;
  gap: 3rem;
}

.hero h1 {
  font-size: 2.5rem;
}

.eyebrow {
  color: var(--accent);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 10px;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section.alt {
  background: #0a1020;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 10px;
}

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

/* CTA */
.cta {
  background: linear-gradient(135deg,#0b1220,#020617);
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
}

/* Buttons */
.btn {
  border: 1px solid var(--border);
  padding: .6rem 1rem;
  border-radius: 6px;
}

.btn.primary {
  background: var(--accent);
  color: #000;
  border: none;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--panel);
    flex-direction: column;
    padding: 1rem;
    display: none;
  }
  .nav.show { display: flex; }
  .hamburger { display: block; }
  .cta-inner { flex-direction: column; }
}

.hamburger {
  cursor: pointer;
  z-index: 9999;
  position: relative;
}

.nav {
  z-index: 9998;
}