:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #526070;
  --line: #d8e1ec;
  --paper: #fbf7ee;
  --blue: #1769e0;
  --green: #1e8f4d;
  --orange: #f59e0b;
  --red: #d93025;
  --panel: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f6f8fb;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-shell {
  min-height: 100vh;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(216, 225, 236, .85);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
  gap: 36px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px 44px;
}

.eyebrow {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

h1 {
  margin: 12px 0 14px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: .95;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.hero-art {
  margin: 0;
}

.hero-art img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(18, 31, 56, .16);
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 46px 24px;
}

.section h2 {
  margin: 0 0 18px;
  font-size: 30px;
  letter-spacing: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: var(--panel);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.6;
}

.route {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

.node {
  min-height: 92px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 2px solid #bbd4ff;
  border-radius: 8px;
  background: #fff;
  font-weight: 800;
}

.code {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #101828;
  color: #e6edf7;
}

.screens {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.screens img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 38px;
}

.asset-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.asset-card img {
  display: block;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.asset-card h3 {
  margin: 18px 18px 6px;
}

.asset-card p {
  margin: 0 18px 20px;
  color: var(--muted);
  line-height: 1.6;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 24px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 820px) {
  .hero,
  .grid,
  .route,
  .screens,
  .asset-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
}