:root {
  --bg: #0b1220;
  --surface: #111a2b;
  --text: #e8edf7;
  --muted: #9fb0ce;
  --primary: #63d2ff;
  --line: #25324a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #0a1020 0%, #0c1323 60%, #0c1220 100%);
  color: var(--text);
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 16, 30, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.nav-wrap,
.footer-wrap,
.hero-actions,
.cta-wrap {
  display: flex;
  align-items: center;
}

.nav-wrap {
  justify-content: space-between;
  padding: 0.85rem 0;
}

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

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

.brand {
  font-weight: 700;
  letter-spacing: 0.03em;
}

.hero {
  padding: 6rem 0 4rem;
}

.badge {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.18;
  margin: 0 0 1rem;
}

.lead {
  color: var(--muted);
  max-width: 760px;
}

.hero-actions {
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.btn {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  transition: all 0.2s ease;
}

.btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #001927;
  border-color: transparent;
  font-weight: 600;
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem;
}

.card p,
.card li {
  color: var(--muted);
}

.section-cta {
  text-align: center;
}

.cta-wrap {
  flex-direction: column;
  gap: 1rem;
}

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

.footer-wrap {
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 820px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    flex-direction: column;
    gap: 0.6rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}