:root {
  color-scheme: dark;
  --bg: #08111f;
  --panel: #111c2e;
  --panel-2: #0d1727;
  --text: #eef5ff;
  --muted: #aab8cc;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --good: #86efac;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.16), transparent 32rem),
    radial-gradient(circle at top right, rgba(167, 139, 250, 0.14), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 17, 31, 0.82);
  backdrop-filter: blur(18px);
}

.nav-shell,
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: flex-end;
}

.site-nav a {
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.45rem 0.75rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  padding: 6.5rem 0 5rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin: 0 0 0.85rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 5.25rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
  max-width: 980px;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  max-width: 850px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  display: inline-flex;
  font-weight: 750;
  justify-content: center;
  padding: 0.8rem 1.05rem;
  text-decoration: none;
}

.button.primary {
  border-color: rgba(125, 211, 252, 0.65);
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.24), rgba(167, 139, 250, 0.24));
}

.section {
  padding: 4.5rem 0;
}

.alt-section {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.compact-section {
  border-top: 1px solid var(--line);
  padding: 3rem 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

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

.card,
.module-grid article,
.proof-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.card p,
.module-grid span,
.proof-card dd,
.section p,
.check-list {
  color: var(--muted);
}

.split {
  display: grid;
  align-items: start;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
}

.metrics-list {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.metrics-list div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.8rem;
}

.metrics-list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.metrics-list dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metrics-list dd {
  margin: 0.2rem 0 0;
  overflow-wrap: anywhere;
}

.module-grid article {
  display: grid;
  gap: 0.35rem;
}

.module-grid strong {
  color: var(--good);
}

.check-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.045);
  padding: 0.9rem 1rem;
}

.check-list li::before {
  color: var(--good);
  content: "✓";
  font-weight: 900;
  margin-right: 0.55rem;
}

.caveat-list li::before {
  color: var(--accent-2);
  content: "•";
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

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

@media (max-width: 860px) {
  .nav-shell,
  .footer-grid,
  .split {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .nav-shell,
  .footer-grid {
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .card-grid,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 4.5rem 0 3.5rem;
  }
}