:root {
  color-scheme: light;
  --background: #ffffff;
  --foreground: #0a0a0a;
  --card: #ffffff;
  --secondary: #f5f5f5;
  --muted: #737373;
  --border: #e5e5e5;
  --primary: #000000;
  --primary-foreground: #ffffff;
  --shadow: 0 18px 50px rgba(10, 10, 10, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--foreground);
  background:
    radial-gradient(circle at top left, rgba(9, 105, 218, 0.08), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  font-family: "Geist", "Noto Sans SC", sans-serif;
}

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

code,
pre {
  font-family: "JetBrains Mono", monospace;
}

.shell {
  width: min(1120px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
}

.hero,
.grid {
  display: grid;
  gap: 1.5rem;
}

.hero {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  align-items: stretch;
}

.hero-copy,
.hero-card,
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 2rem;
  background: linear-gradient(180deg, rgba(245, 245, 245, 0.7), #ffffff 45%);
}

.hero-card {
  padding: 1.5rem;
  background: var(--secondary);
}

.panel {
  padding: 1.5rem;
  background: var(--card);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  margin: 0 0 0.9rem;
  padding: 0 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--secondary);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 11ch;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
}

h2 {
  font-size: 1.35rem;
}

.lede,
.panel p,
ol,
.checklist {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.primary,
.secondary,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.primary {
  color: var(--primary-foreground);
  background: var(--primary);
}

.secondary {
  background: var(--card);
  border-color: var(--border);
}

.ghost {
  width: fit-content;
  margin-top: 1rem;
  background: var(--secondary);
  border-color: var(--border);
}

.primary:hover,
.secondary:hover,
.ghost:hover {
  transform: translateY(-1px);
}

button {
  font: inherit;
  cursor: pointer;
}

.card-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-domain {
  margin-top: 0.9rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.checklist {
  margin: 1.1rem 0 0;
  padding-left: 1.15rem;
}

.grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.5rem;
}

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

pre {
  margin: 1rem 0 0;
  padding: 1rem;
  overflow: auto;
  border-radius: 14px;
  white-space: pre-wrap;
  background: #0f1115;
  color: #fafafa;
  line-height: 1.65;
}

ol {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

@media (max-width: 880px) {
  .hero,
  .grid,
  .grid.slim {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100vw - 1rem, 1120px);
    padding-top: 0.75rem;
  }

  .hero-copy,
  .hero-card,
  .panel {
    padding: 1.25rem;
    border-radius: 16px;
  }
}