:root {
  --bg: #050b17;
  --panel: #0f1b2d;
  --panel-soft: #13213a;
  --text: #f5f7fb;
  --muted: #b8c4db;
  --primary: #4cc9f0;
  --secondary: #4361ee;
  --card: #111d31;
  --border: #203457;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, #05122a, var(--bg));
}

.hero {
  position: relative;
  padding: 120px 20px;
  background: radial-gradient(circle at 10% 20%, #17315f 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, #2a1b5e 0%, transparent 45%),
    linear-gradient(135deg, rgba(76, 201, 240, 0.15), rgba(67, 97, 238, 0.12));
}

.hero__content {
  max-width: 1100px;
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}

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

.hero__lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.7;
}

.hero__actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 700;
}

.btn--primary {
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  color: white;
}

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin: 20px 0;
  box-shadow: 0 20px 40px rgba(2, 8, 24, 0.4);
}

.section--alt {
  background: var(--panel-soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.grid article {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}

.checklist {
  padding-left: 18px;
}

.checklist li {
  margin-bottom: 10px;
}

.pillars {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.pillars span {
  background: rgba(76, 201, 240, 0.14);
  border: 1px solid rgba(76, 201, 240, 0.28);
  color: #d6f6ff;
  padding: 8px 12px;
  border-radius: 999px;
}

ol {
  padding-left: 20px;
}

footer {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px 60px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 960px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 80px;
    padding-bottom: 80px;
  }
}