:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #d9e0e8;
  --surface: #f6f8fb;
  --accent: #b42318;
  --accent-2: #0f766e;
  --deep: #172554;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--deep);
  color: white;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--muted);
}

nav a {
  text-decoration: none;
}

.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  gap: 48px;
  align-items: center;
  padding: 72px 5vw 52px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 3.5vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.lede {
  max-width: 640px;
  color: var(--muted);
  font-size: 20px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 750;
  background: white;
}

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

.hero-visual {
  margin: 0;
}

.hero-visual img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 70px rgba(17, 24, 39, 0.16);
}

.band {
  padding: 28px 5vw;
  background: var(--deep);
  color: white;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.metrics div {
  display: grid;
  gap: 4px;
}

.metrics strong {
  font-size: 18px;
}

.metrics span {
  color: #cbd5e1;
}

.section {
  padding: 86px 5vw;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: white;
}

article p,
.split p,
.download p {
  color: var(--muted);
}

.step {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--accent-2);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 42px;
  align-items: center;
  background: var(--surface);
}

pre {
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f172a;
  color: #e5e7eb;
  font-size: 14px;
}

.download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.download div {
  max-width: 720px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 5vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .topbar,
  footer,
  .download {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

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

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