:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #111827;
  --panel-2: #172033;
  --text: #eef2ff;
  --muted: #aab3c5;
  --line: rgba(255, 255, 255, 0.14);
  --blue: #2f80ed;
  --green: #34d399;
  --yellow: #f8c14a;
  --red: #fb7185;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 32, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
}

.brand img {
  width: 32px;
  height: 32px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
}

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

.hero {
  min-height: calc(100vh - 66px);
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  align-items: center;
  gap: clamp(30px, 6vw, 78px);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(46px, 8vw, 86px) clamp(18px, 4vw, 28px) 38px;
}

.hero-copy {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(54px, 8vw, 104px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.lead {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 720;
}

.button.primary {
  background: var(--blue);
  color: white;
}

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

.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 24px 70px rgba(0, 0, 0, 0.45));
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px clamp(18px, 4vw, 28px);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section p,
.check-list {
  color: var(--muted);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-grid article {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--green);
  background: var(--panel);
  border-radius: 6px;
}

.command-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  align-items: start;
}

.terminal {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #050814;
  overflow-x: auto;
}

.terminal code {
  color: #d1fae5;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  white-space: nowrap;
}

.terminal code::before {
  content: "$ ";
  color: var(--yellow);
}

.timeline ol {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.timeline span {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--green);
  color: #06141a;
  font-weight: 800;
}

.timeline strong {
  display: block;
  margin-bottom: 8px;
}

footer {
  display: flex;
  justify-content: center;
  gap: 22px;
  padding: 34px 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .split,
  .command-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .timeline ol {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }
}
