:root {
  color-scheme: dark;
  --bg: #070b16;
  --panel: rgba(14, 20, 38, 0.82);
  --panel-strong: #10182d;
  --border: rgba(125, 154, 255, 0.18);
  --text: #ecf1ff;
  --muted: #a8b1cb;
  --accent: #8ab4ff;
  --accent-strong: #b29cff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(84, 115, 255, 0.28), transparent 28%),
    radial-gradient(circle at top right, rgba(115, 77, 255, 0.24), transparent 24%),
    linear-gradient(180deg, #0a1020 0%, var(--bg) 65%);
}

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

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0 1rem;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  padding: 4.5rem 0 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.08;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}

.lead {
  max-width: 62ch;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #07111f;
  border: 0;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.02);
}

.terminal-card,
.card,
.timeline article {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.terminal-card {
  border-radius: 22px;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
}

.terminal-bar span:first-child {
  background: #ff6b7a;
}

.terminal-bar span:nth-child(2) {
  background: #ffd166;
}

.terminal-bar span:nth-child(3) {
  background: #7ce38b;
}

.terminal-card pre {
  margin: 0;
  padding: 1.3rem 1.4rem 1.5rem;
  overflow: auto;
  font-size: 0.95rem;
  color: #d3defe;
}

.section {
  padding: 3rem 0;
}

.section.alt {
  padding: 3.6rem 0;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

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

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

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

.card,
.timeline article {
  border-radius: 20px;
  padding: 1.4rem;
}

.card h3,
.timeline h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.card p,
.timeline p {
  margin: 0;
  color: var(--muted);
}

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

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  min-height: 3rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: rgba(138, 180, 255, 0.12);
  color: var(--accent);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0 2.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero,
  .three-up,
  .two-up,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero h1 {
    max-width: none;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .site-header,
  main,
  .site-footer {
    width: min(1120px, calc(100% - 1.2rem));
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  .hero {
    padding-top: 2.2rem;
  }

  .card,
  .timeline article,
  .terminal-card pre {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}