:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: #d7dce2;
  --soft: #f6f7f9;
  --accent: #111827;
  --accent-soft: #eef1f5;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.5rem 0.75rem;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--text);
  border-radius: 999px;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
  text-decoration: underline;
}

.main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 4rem;
}

.hero-logo {
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 1;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  min-height: 16rem;
  display: grid;
  place-items: center;
  background: var(--soft);
}

.eyebrow {
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5rem);
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.lead {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: #243040;
  max-width: 58rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  background: var(--bg);
  color: var(--text);
}

.section {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}

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

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

.card {
  border: 1px solid var(--line);
  padding: 1.25rem;
  background: #ffffff;
}

.card p:last-child,
.section p:last-child {
  margin-bottom: 0;
}

code,
pre {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--soft);
  padding: 1rem;
  margin: 1rem 0;
}

code {
  font-size: 0.95em;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th,
td {
  border: 1px solid var(--line);
  text-align: left;
  padding: 0.75rem;
  vertical-align: top;
}

th {
  background: var(--soft);
}

.list {
  padding-left: 1.25rem;
  color: var(--muted);
}

.list li {
  margin: 0.35rem 0;
}

.callout {
  border: 1px solid var(--text);
  padding: 1rem;
  background: var(--accent-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.25rem;
  color: var(--muted);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 1rem;
  }

  .hero-logo {
    min-height: 10rem;
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .main {
    padding-top: 2.5rem;
  }
}

@media (max-width: 520px) {
  .nav-links {
    gap: 0.7rem;
  }

  .button {
    width: 100%;
  }
}