/* Shared by project-brief.html and its -fa / -zh / -ru translations.
   Logical properties (inline-start) so the RTL page mirrors itself. */
@page { margin: 1in; }
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 17px; }
body {
  margin: 0; padding: 0;
  font-family: "Georgia", "Times New Roman", serif;
  line-height: 1.72;
  color: #1a1a1a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
.page {
  max-width: 740px;
  margin: 0 auto;
  padding: 60px 32px 80px;
}
/* — Language bar — */
.lang-nav {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  margin: 0 0 32px;
  color: #999;
}
.lang-nav a, .lang-nav strong { margin-inline-end: 14px; }
.lang-nav strong { color: #1a1a1a; }
/* — Header — */
.doc-header {
  border-bottom: 3px solid #1a1a1a;
  padding-bottom: 24px;
  margin-bottom: 48px;
}
.doc-header .label {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #888;
  margin: 0 0 8px;
}
.doc-header h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 6px;
  letter-spacing: -0.5px;
}
.doc-header .tagline {
  font-size: 20px;
  font-style: italic;
  color: #555;
  margin: 0 0 16px;
}
.doc-header .meta {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  color: #999;
}
/* — Sections — */
h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 56px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #ddd;
  letter-spacing: -0.3px;
}
h3 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin: 32px 0 8px;
  color: #333;
}
p { margin: 0 0 16px; }
blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  border-inline-start: 4px solid #0e7490;
  background: #f0fafb;
  font-style: italic;
  color: #333;
}
blockquote p { margin: 0; }
/* — Key figures — */
.key-figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}
.fig {
  text-align: center;
  padding: 24px 16px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  background: #fafafa;
}
.fig .num {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: #0e7490;
  line-height: 1;
}
.fig .lbl {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #666;
  margin-top: 8px;
}
/* — Timeline — */
.timeline {
  position: relative;
  padding-inline-start: 32px;
  margin: 32px 0;
}
.timeline::before {
  content: "";
  position: absolute;
  inset-inline-start: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: #0e7490;
}
.tl-item {
  position: relative;
  margin-bottom: 28px;
}
.tl-item::before {
  content: "";
  position: absolute;
  inset-inline-start: -32px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #0e7490;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px #0e7490;
}
.tl-item .tl-date {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #0e7490;
  margin: 0 0 4px;
}
.tl-item p { margin: 0; font-size: 15px; color: #444; }
/* — Bullet list — */
ul {
  margin: 12px 0 20px;
  padding-inline-start: 24px;
}
li {
  margin-bottom: 8px;
  line-height: 1.6;
}
/* — Callout box — */
.callout {
  margin: 32px 0;
  padding: 24px 28px;
  background: #f7f7f7;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}
.callout h3 { margin-top: 0; }
/* — Footer — */
.doc-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid #ddd;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  color: #999;
  text-align: center;
}
a { color: #0e7490; text-decoration: none; }
a:hover { text-decoration: underline; }
/* — Scripts Georgia has no glyphs for: system fonts only, nothing downloaded.
   No italics (neither script has them) and no letter-spacing (it breaks
   joined Persian letters). — */
:lang(fa) body, :lang(fa) h3, :lang(fa) .doc-header .label, :lang(fa) .doc-header .meta,
:lang(fa) .fig .num, :lang(fa) .fig .lbl, :lang(fa) .tl-item .tl-date, :lang(fa) .doc-footer {
  font-family: "Vazirmatn", "Vazir", "Segoe UI", Tahoma, "Geeza Pro", sans-serif;
}
:lang(fa) body { line-height: 1.95; }
:lang(zh) body {
  font-family: "Georgia", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
}
:lang(fa) .doc-header .tagline, :lang(fa) blockquote,
:lang(zh) .doc-header .tagline, :lang(zh) blockquote { font-style: normal; }
:lang(fa) *, :lang(zh) .doc-header .label { letter-spacing: 0 !important; }
/* — Print — */
@media print {
  body { font-size: 11pt; }
  .page { padding: 0; max-width: none; }
  .lang-nav { display: none; }
  h2 { page-break-after: avoid; }
  .key-figures, .timeline { page-break-inside: avoid; }
}
@media (max-width: 600px) {
  html { font-size: 16px; }
  .page { padding: 32px 20px 48px; }
  .doc-header h1 { font-size: 30px; }
  .key-figures { grid-template-columns: 1fr; }
  h2 { font-size: 22px; }
}