*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg-primary: #070e1c;
  --bg-secondary: #0b1b2f;
  --bg-card: rgba(14, 32, 56, 0.65);
  --border: rgba(124, 160, 209, 0.25);
  --text-primary: #f5f8ff;
  --text-secondary: #c9d6f2;
  --accent: #4ac2ff;
  --accent-soft: rgba(74, 194, 255, 0.15);
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  background: radial-gradient(circle at top, #1c3a5c 0%, #0b1628 55%, #070e1c 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(7, 14, 28, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.logo img {
  width: 42px;
  height: 42px;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.hero {
  padding: 4.5rem 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
}

.lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: linear-gradient(120deg, #4ac2ff, #6d7cff);
  color: #081325;
  box-shadow: 0 12px 30px rgba(63, 140, 255, 0.25);
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--text-primary);
  background: var(--bg-card);
}

.button.ghost {
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
}

.button:hover {
  transform: translateY(-1px);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-tags span {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(74, 194, 255, 0.25);
  font-size: 0.85rem;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 1.5rem;
  box-shadow: 0 24px 60px rgba(7, 14, 28, 0.4);
}

.hero-card h2 {
  margin-bottom: 1rem;
}

.hero-list {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.5rem;
  color: var(--text-secondary);
}

.section {
  padding: 4rem 0;
}

.section.alt {
  background: rgba(9, 19, 35, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
  margin-bottom: 2.5rem;
}

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

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

.card,
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.75rem;
  border-radius: 1.25rem;
  color: var(--text-secondary);
}

.card h3,
.step h3 {
  color: var(--text-primary);
}

.step span {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(74, 194, 255, 0.4);
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.callout {
  background: rgba(10, 30, 52, 0.85);
  border: 1px solid rgba(96, 145, 207, 0.4);
  border-radius: 1.5rem;
  padding: 2rem;
}

.callout ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-secondary);
}

.cta {
  padding-bottom: 5.5rem;
}

.cta-card {
  background: linear-gradient(120deg, rgba(74, 194, 255, 0.2), rgba(109, 124, 255, 0.18));
  border: 1px solid rgba(116, 160, 255, 0.4);
  padding: 2.5rem;
  border-radius: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-footer {
  padding: 2.5rem 0 3.5rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  align-items: flex-end;
}

@media (max-width: 760px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .footer-grid {
    align-items: flex-start;
  }

  .footer-links {
    align-items: flex-start;
  }
}