/* AdvertiSwarm — single site stylesheet. All text pairs meet WCAG AA (see scripts/contrast.mjs). */
:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f4f6fa;
  --ink: #14213d;
  --muted: #4a5568;
  --link: #0b5cad;
  --brand: #14213d;
  --accent: #f5b700;
  --line: #d9dee8;
  --measure: 46rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--link);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap {
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 16px;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 8px;
  z-index: 10;
  background: var(--bg);
  color: var(--link);
  padding: 0.25rem 0.5rem;
}

/* Header */
.site-header {
  background: var(--brand);
  color: #ffffff;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}

.wordmark img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
}

/* Main */
main {
  flex: 1;
  padding: 2.5rem 0 3rem;
}

h1 {
  font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.35rem);
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.3;
  margin: 2.25rem 0 0.5rem;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

li + li {
  margin-top: 0.35rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem 1.25rem 0.25rem;
  margin: 2rem 0 0;
}

.panel h2 {
  margin-top: 0;
}

blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--brand);
  background: var(--surface);
}

blockquote p {
  margin: 0;
}

code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer .wrap {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.site-footer p {
  margin: 0 0 0.5rem;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0 0 0.5rem;
  padding: 0;
  list-style: none;
}

.site-footer li + li {
  margin-top: 0;
}

@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  main {
    padding-top: 1.75rem;
  }
}