/* Balbina website. No external fonts, scripts or trackers: a privacy policy should not phone home. */
:root {
  --bg: #faf6f2;
  --surface: #ffffff;
  --hairline: #e8ddd2;
  --text-primary: #241209;
  --text-secondary: #6b5847;
  --text-tertiary: #7a695b;
  --accent: #b34f12;
  --accent-soft: #e4a173;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0402;
    --surface: #1a0f0a;
    --hairline: #33221a;
    --text-primary: #f5ece4;
    --text-secondary: #b8a89c;
    --text-tertiary: #9a897c;
    --accent: #ff8a3d;
    --accent-soft: #b85f26;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-color: var(--accent-soft); text-underline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.page { max-width: 760px; margin: 0 auto; padding-block: 48px 56px; }

.masthead { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.wordmark {
  font-family: var(--mono); font-weight: 700; font-size: 13px; letter-spacing: 0.14em;
  color: var(--accent); text-transform: uppercase; text-decoration: none;
}
.masthead nav { display: flex; gap: 16px; margin-left: auto; font-family: var(--mono); font-size: 12.5px; }
.masthead nav a { color: var(--text-tertiary); text-decoration: none; }
.masthead nav a:hover { color: var(--accent); }

h1 {
  font-family: var(--mono); font-weight: 700; font-size: clamp(28px, 6vw, 40px); line-height: 1.15;
  letter-spacing: -0.01em; margin: 0 0 14px; text-wrap: balance;
}
.effective-date { font-family: var(--mono); font-size: 12.5px; color: var(--text-tertiary); margin: 0 0 28px; }
.lede { font-size: 17px; line-height: 1.6; color: var(--text-secondary); max-width: 62ch; margin: 0 0 40px; }

.toc { background: var(--surface); border: 1px solid var(--hairline); border-radius: 14px; padding: 22px 24px; margin-bottom: 48px; }
.toc h2 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-tertiary); margin: 0 0 14px; font-weight: 600; border: 0; padding: 0;
}
.toc ol { margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 28px; }
.toc li { break-inside: avoid; margin-bottom: 9px; }
.toc a { font-size: 14px; color: var(--text-secondary); text-decoration: none; }
.toc a:hover { color: var(--accent); }
.num { font-family: var(--mono); color: var(--text-tertiary); margin-right: 8px; font-size: 12.5px; }

section { margin-bottom: 40px; scroll-margin-top: 20px; }
section h2 {
  display: flex; align-items: baseline; gap: 12px; font-family: var(--mono); font-size: 19px; font-weight: 700;
  margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--hairline); text-wrap: balance;
}
section h2 .num { color: var(--accent); font-size: 14px; min-width: 22px; margin: 0; }

p, li { font-size: 15.5px; line-height: 1.7; color: var(--text-secondary); max-width: 65ch; }
p { margin: 0 0 14px; }
strong { color: var(--text-primary); font-weight: 600; }
ul { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 8px; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; margin: 4px 0 20px; font-size: 14.5px; }
.data-table th, .data-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.data-table th {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-tertiary); font-weight: 600;
}
.data-table td { color: var(--text-secondary); }

.processor-list { list-style: none; padding: 0; margin: 4px 0 20px; display: flex; flex-direction: column; gap: 10px; }
.processor-list li { background: var(--surface); border: 1px solid var(--hairline); border-radius: 10px; padding: 12px 16px; margin: 0; }
.processor-list .name { font-family: var(--mono); font-weight: 600; font-size: 13.5px; color: var(--text-primary); display: block; margin-bottom: 3px; }
.processor-list .desc { font-size: 14px; color: var(--text-secondary); line-height: 1.55; }

.callout {
  background: var(--surface); border: 1px solid var(--hairline); border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0; padding: 16px 20px; margin: 0 0 14px;
}
.callout p:last-child { margin-bottom: 0; }

.hero { padding-block: 24px 8px; }
.hero .tagline { font-family: var(--mono); font-size: clamp(20px, 4.5vw, 28px); line-height: 1.4; margin: 0 0 20px; max-width: 26ch; }
.hero .soon {
  display: inline-block; font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.06em; color: var(--accent);
  border: 1px solid var(--hairline); border-radius: 999px; padding: 7px 14px; background: var(--surface);
}

footer {
  margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--hairline); display: flex; flex-wrap: wrap;
  justify-content: space-between; gap: 12px; font-size: 13px; color: var(--text-tertiary); font-family: var(--mono);
}
footer a { color: var(--text-tertiary); }
footer a:hover { color: var(--accent); }

@media (max-width: 560px) {
  .toc ol { columns: 1; }
  .page { padding-block: 32px 44px; }

  /* Three columns are unreadable at phone width, so each table row becomes a stacked block. */
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr { padding: 14px 0; border-bottom: 1px solid var(--hairline); }
  .data-table td { border: 0; padding: 3px 0; }
  .data-table td:first-child { font-size: 16px; padding-bottom: 6px; }
  .data-table td[data-label]::before {
    content: attr(data-label); display: block; margin-top: 8px; font-family: var(--mono); font-size: 11px;
    letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-tertiary);
  }
}