:root {
  --bg: #0b0f1a;
  --bg-elevated: #11182a;
  --bg-soft: #151f35;
  --text: #e8eefc;
  --muted: #a8b3cc;
  --brand: #7ea6ff;
  --brand-strong: #5d8fff;
  --border: rgba(173, 194, 255, 0.2);
  --shadow: 0 20px 40px rgba(1, 8, 20, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top right, #17213a 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.6;
}

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

.section {
  padding: 5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 26, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.4px;
  text-decoration: none;
}

.brand span {
  color: var(--brand);
}

.site-nav {
  display: flex;
  gap: 1.2rem;
}

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

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

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  padding: 0.45rem 0.9rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  margin-bottom: 0.7rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  margin-bottom: 1rem;
}

.lead,
.section-intro {
  color: var(--muted);
  max-width: 65ch;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.72rem 1.2rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(140deg, var(--brand), var(--brand-strong));
  color: #061029;
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text);
}

.hero-card,
.card,
.cta-inner {
  background: linear-gradient(180deg, rgba(126, 166, 255, 0.06), rgba(126, 166, 255, 0));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.3rem;
  box-shadow: var(--shadow);
}

.hero-card ul,
.feature-list {
  padding-left: 1.2rem;
}

.card-grid {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-grid,
  .split-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 700px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    flex-direction: column;
    gap: 0;
    background: rgba(11, 15, 26, 0.96);
    border-bottom: 1px solid var(--border);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .site-nav a {
    padding: 0.9rem 4vw;
    border-top: 1px solid rgba(173, 194, 255, 0.08);
  }

  .site-nav.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }
}