/* ReadZen legal site — self-contained, no external requests.
   Tokens mirror the app's DESIGN_v1 (RPL neutrals + one quiet gold). */

:root {
  --rz-bg: #ffffff;
  --rz-surface: #f6f8f9;
  --rz-text-strong: #181c1f;
  --rz-text: #333d42;
  --rz-text-weak: #6e787e;
  --rz-border: rgba(0, 0, 0, 0.2);
  --rz-border-weak: rgba(0, 0, 0, 0.1);
  --rz-gold: #856a1f; /* AA on white */
  --rz-gold-soft: rgba(133, 106, 31, 0.08);
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino,
    Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --rz-bg: #0b0e10; /* a shade above app #030303 for long-form reading */
    --rz-surface: #15181a;
    --rz-text-strong: #f2f4f5;
    --rz-text: #c4cbcf;
    --rz-text-weak: #8a9296;
    --rz-border: rgba(255, 255, 255, 0.2);
    --rz-border-weak: rgba(255, 255, 255, 0.1);
    --rz-gold: #d4ab58; /* AA on dark */
    --rz-gold-soft: rgba(212, 171, 88, 0.1);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--rz-bg);
  color: var(--rz-text);
  font-family: var(--serif);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  padding: 0 1.25rem 4rem;
}

/* ---- Header ---- */
.site-header {
  max-width: 65ch;
  margin: 0 auto;
  padding: 3rem 0 1.75rem;
  border-bottom: 1px solid var(--rz-border-weak);
}
.wordmark {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rz-text-strong);
  text-decoration: none;
}
.wordmark-accent {
  color: var(--rz-gold);
}
.doc-kicker {
  margin: 1.25rem 0 0.25rem;
  font-size: 1.75rem;
  line-height: 1.25;
  font-weight: 600;
  color: var(--rz-text-strong);
}
.doc-meta {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--rz-text-weak);
}
.doc-lede {
  max-width: 65ch;
  margin: 1.5rem auto 0;
  font-size: 1.0625rem;
  color: var(--rz-text);
}

/* ---- Table of contents ---- */
.toc {
  max-width: 65ch;
  margin: 1.75rem auto;
  padding: 1rem 1.25rem;
  background: var(--rz-surface);
  border: 1px solid var(--rz-border-weak);
  border-radius: 16px;
}
.toc h2 {
  margin: 0 0 0.5rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rz-text-weak);
}
.toc ol {
  margin: 0;
  padding-left: 1.25rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.7;
  columns: 2;
  column-gap: 2rem;
}
@media (max-width: 40rem) {
  .toc ol {
    columns: 1;
  }
}
.toc a {
  color: var(--rz-text);
  text-decoration: none;
}
.toc a:hover {
  color: var(--rz-gold);
  text-decoration: underline;
}

/* ---- Prose ---- */
.prose {
  max-width: 65ch;
  margin: 0 auto;
}
.prose section {
  margin: 2.25rem 0;
}
.prose h2 {
  font-size: 1.25rem;
  line-height: 1.35;
  font-weight: 600;
  color: var(--rz-text-strong);
  margin: 0 0 0.75rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--rz-gold); /* the app's section-head rule */
  scroll-margin-top: 1.5rem;
}
.prose p {
  margin: 0 0 1rem;
}
.prose strong {
  color: var(--rz-text-strong);
}
.prose a {
  color: var(--rz-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}
.prose li {
  margin-bottom: 0.4rem;
}

/* Data-use table (Privacy §4) */
.prose .table-wrap {
  overflow-x: auto;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 0 0 1rem;
}
.prose th,
.prose td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--rz-border-weak);
}
.prose th {
  font-weight: 600;
  color: var(--rz-text-strong);
  border-bottom: 1px solid var(--rz-border);
}

/* ---- Landing links ---- */
.doc-links {
  max-width: 65ch;
  margin: 2rem auto;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.doc-links a {
  display: block;
  padding: 1.25rem 1.5rem;
  background: var(--rz-surface);
  border: 1px solid var(--rz-border-weak);
  border-radius: 16px;
  text-decoration: none;
  color: var(--rz-text-strong);
  font-weight: 600;
  transition: border-color 140ms ease;
}
.doc-links a:hover {
  border-color: var(--rz-gold);
}
.doc-links .doc-links-sub {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--rz-text-weak);
}

/* ---- Footer ---- */
.site-footer {
  max-width: 65ch;
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rz-border-weak);
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--rz-text-weak);
}
.site-footer p {
  margin: 0 0 0.4rem;
}
.site-footer a {
  color: var(--rz-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer-note {
  margin-top: 0.75rem;
}

/* ---- Print ---- */
@media print {
  :root {
    --rz-bg: #ffffff;
    --rz-surface: #ffffff;
    --rz-text: #000;
    --rz-text-strong: #000;
    --rz-text-weak: #444;
    --rz-gold: #000;
  }
  body {
    padding: 0;
    font-size: 11pt;
  }
  .toc {
    border: none;
    padding: 0;
  }
  .prose a {
    color: #000;
  }
  .prose a[href^="http"]::after,
  .prose a[href^="mailto"]::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
  }
  .site-header,
  .site-footer {
    border-color: #999;
  }
}