/* Words Are Flowing — public site styles. System fonts only, no external requests. */

:root {
  --bg: #ffffff;
  --bg-raise: #f4f6f9;
  --text: #16191f;
  --text-soft: #4d5560;
  --line: #dde2e8;
  --accent: #2457b8;
  --accent-soft: #e8effa;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --bg-raise: #171b21;
    --text: #eef1f5;
    --text-soft: #a7afbb;
    --line: #2b313a;
    --accent: #7fb0f5;
    --accent-soft: #16233a;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.wrap {
  max-width: 68ch;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--accent); text-decoration-thickness: from-font; }
a:hover { text-decoration: none; }

h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); margin: 0 0 0.6em; }
h2 { font-size: clamp(1.2rem, 3vw, 1.5rem); margin: 1.6em 0 0.5em; }

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.05em 0.35em;
  font-size: 0.92em;
}

blockquote {
  margin: 1em 0;
  padding: 0.2em 1em;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---------- header ---------- */

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

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}

.brand img { display: block; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.site-nav a { text-decoration: none; }
.site-nav a:hover { text-decoration: underline; }

.site-nav a[data-lang-switch] {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px;
  font-size: 0.82rem;
}

/* ---------- main content ---------- */

main.wrap { padding: 40px 20px 56px; }

.hero { padding: 12px 0 8px; }
.hero .lede { color: var(--text-soft); font-size: 1.08rem; max-width: 60ch; }

section { margin: 0 0 8px; }

ol, ul { padding-left: 1.3em; }
li { margin: 0.35em 0; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 24px 20px 40px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-nav a { text-decoration: none; }
.footer-nav a:hover { text-decoration: underline; }

.footer-contact, .footer-tagline { margin: 0; }

/* ---------- pricing ---------- */

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 20px 0 32px;
}

.plan {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--bg-raise);
}

.plan h2 { margin: 0 0 0.3em; font-size: 1.15rem; }

.plan .price { font-size: 1.6rem; font-weight: 700; margin: 0 0 0.2em; }
.plan .price-period { font-size: 0.9rem; font-weight: 400; color: var(--text-soft); }
.plan .price-alt { margin: 0 0 0.8em; color: var(--text-soft); font-size: 0.9rem; }

.plan ul { margin: 0; padding-left: 1.2em; }
.plan li { margin: 0.3em 0; }

dl { margin: 0; }
dt { font-weight: 700; margin-top: 1em; }
dd { margin: 0.2em 0 0; color: var(--text-soft); }

/* ---------- small screens ---------- */

@media (max-width: 420px) {
  .header-inner, .footer-inner { padding-left: 16px; padding-right: 16px; }
  main.wrap { padding-left: 16px; padding-right: 16px; }
}

/* ---------- docs ---------- */

.docs-toc { margin: 0 0 24px; }

pre {
  overflow-x: auto;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  line-height: 1.45;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.86em;
}

.table-scroll { overflow-x: auto; margin: 12px 0 20px; }

.ref {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.ref th, .ref td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  padding: 7px 8px;
}

.ref th { font-weight: 700; }

.note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raise);
  padding: 10px 14px;
}