/* Loopmark brand: aligned with loopmark-frontend (teal accent #009E96) */
:root {
  --accent: #009e96;
  --accent-dark: #007a74;
  --accent-soft: oklch(0.6 0.14 190 / 0.12);
  --bg: oklch(0.985 0.004 260);
  --surface: #ffffff;
  --text: oklch(0.2 0.01 260);
  --muted: oklch(0.45 0.01 260);
  --border: oklch(0.9 0.005 260);
  --border2: oklch(0.85 0.01 260);
  --code-bg: oklch(0.97 0.005 260);
  --max: 920px;
}

* {
  box-sizing: border-box;
}

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

::selection {
  background: oklch(0.6 0.14 190 / 0.25);
}

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

a:hover {
  color: var(--accent);
  text-decoration: underline;
}

header {
  border-bottom: 1px solid var(--border);
  background: oklch(0.985 0.004 260 / 0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.brand {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

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

.nav-links .nav-cta {
  font-weight: 600;
  color: var(--accent);
  border: 1px solid oklch(0.6 0.14 190 / 0.35);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.nav-links .nav-cta:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.hero {
  padding: 2rem 0 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 62ch;
}

.site-banner {
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--accent-soft);
  border: 1px solid oklch(0.6 0.14 190 / 0.25);
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--text);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  box-shadow: 0 10px 24px -20px oklch(0.2 0.02 260 / 0.12);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

pre,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  overflow-x: auto;
}

code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

h2 {
  margin-top: 2rem;
}

ul {
  padding-left: 1.2rem;
}

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  font-size: 0.9rem;
}

footer a {
  font-weight: 600;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 8px 24px -10px oklch(0.6 0.14 190 / 0.55);
}

.button:hover {
  background: var(--accent-dark);
  color: white;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text);
  box-shadow: none;
}

.button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

h3 {
  margin-top: 1.25rem;
  font-size: 1.05rem;
}

main table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0;
}

main table th,
main table td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

main table th {
  background: var(--accent-soft);
  color: var(--text);
  font-weight: 600;
}