:root {
  --bg: #0b1225;
  --bg-alt: #0f1731;
  --primary: #1e90ff;
  --secondary: #00e5ff;
  --accent: #f59f0b;
  --text: #e5e7eb;
  --muted: #9aa0a6;
  --card: #0f1a33;
  --border: #1e2847;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(1.2) blur(8px);
  background: linear-gradient(180deg, rgba(10,15,30,0.9), rgba(10,15,30,0.6));
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 28px; height: 28px; }
.brand-name { font-weight: 600; letter-spacing: 0.2px; }
.nav-links { display: flex; gap: 18px; align-items: center; }
.nav-links a { color: var(--text); text-decoration: none; opacity: 0.9; }
.nav-links a:hover { opacity: 1; }
.nav-links .cta { color: var(--secondary); font-weight: 600; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 64px;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(0,229,255,0.18), transparent 60%),
              radial-gradient(900px 500px at 80% -15%, rgba(30,144,255,0.2), transparent 50%);
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(15,23,49,0.35), rgba(11,18,37,0.6));
}
.hero-inner { position: relative; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); margin: 0 0 12px; letter-spacing: 0.2px; }
.hero .subtitle { max-width: 900px; opacity: 0.9; }
.hero-ctas { display: flex; gap: 12px; margin: 28px 0 12px; flex-wrap: wrap; }
.hero-footnote { color: var(--muted); font-size: 0.95rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}
.btn.primary {
  color: #06111f;
  background: linear-gradient(180deg, #00e5ff, #1e90ff);
  box-shadow: 0 6px 22px rgba(0,229,255,0.25);
}
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(0,229,255,0.35); }
.btn.ghost { color: var(--text); border: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.btn.ghost:hover { opacity: 1; border-color: #2a365f; }

.section { padding: 64px 0; }
.section h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); margin: 0 0 8px; }
.section .lede { color: #c8ced9; max-width: 900px; }
.section.alt { background: linear-gradient(180deg, rgba(18,25,45,0.35), rgba(18,25,45,0.2)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.feature h3 { margin: 0 0 6px; font-weight: 600; }
.feature p { margin: 0; color: #cdd3de; }

.two-col { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; margin-top: 18px; }
.bullets { list-style: none; padding: 0; margin: 18px 0; }
.bullets li { position: relative; padding-left: 22px; margin: 8px 0; color: #cdd3de; }
.bullets li::before { content: "•"; position: absolute; left: 0; color: var(--secondary); }
.inline-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.card.highlight { background: var(--card); border: 1px dashed #2a365f; border-radius: 14px; padding: 18px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.tag { background: rgba(30,144,255,0.15); color: #b9d8ff; border: 1px solid #2a365f; padding: 6px 8px; border-radius: 999px; font-size: 12px; }

.pricing { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.price-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
}
.price-card .price { font-size: 2rem; font-weight: 700; margin: 8px 0 12px; }
.price-card .badge {
  position: absolute; top: 12px; right: 12px;
  background: linear-gradient(180deg, #00e5ff, #1e90ff);
  color: #06111f;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
}
.price-card.emphasized { border-color: #2a365f; box-shadow: 0 10px 28px rgba(0,0,0,0.25); }
.fineprint { color: var(--muted); margin-top: 12px; }

.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0; }
.contacts { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); }
.foot-links { display: inline-flex; align-items: center; gap: 16px; }
.foot-links a { color: #c8ced9; text-decoration: none; }
.foot-links a:hover { color: var(--secondary); }

@media (max-width: 960px) {
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pricing { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav { padding: 10px 0; }
  .nav-links { display: none; }
  .hero { padding: 72px 0 48px; }
  .btn { padding: 10px 16px; border-radius: 8px; }
}