:root {
  --bg: #f7f4ee;
  --paper: #fffdf8;
  --ink: #1f2933;
  --muted: #64748b;
  --line: #d7d0c4;
  --accent: #354f52;
  --accent-2: #8a6f3a;
  --soft: #e9e2d6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.container { max-width: 980px; margin: 0 auto; padding: 0 22px; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,253,248,0.92); position: sticky; top: 0; backdrop-filter: blur(10px); z-index: 5; }
.nav { display: flex; justify-content: space-between; align-items: center; min-height: 64px; gap: 20px; }
.brand { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-weight: 700; letter-spacing: .02em; color: var(--ink); text-decoration: none; }
.nav-links { display: flex; gap: 18px; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.hero { padding: 70px 0 40px; border-bottom: 1px solid var(--line); }
.kicker { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; text-transform: uppercase; letter-spacing: .12em; color: var(--accent-2); font-size: 13px; font-weight: 700; }
h1 { font-size: clamp(38px, 6vw, 72px); line-height: .98; margin: 16px 0 18px; letter-spacing: -0.04em; }
.subtitle { max-width: 760px; font-size: 21px; color: var(--muted); margin: 0; }
.article { background: var(--paper); border: 1px solid var(--line); margin: 34px auto; padding: clamp(24px, 5vw, 56px); box-shadow: 0 15px 40px rgba(31,41,51,.06); }
h2 { font-size: 31px; line-height: 1.12; margin: 44px 0 14px; letter-spacing: -0.025em; }
h3 { font-size: 22px; margin: 28px 0 8px; letter-spacing: -0.01em; }
p { margin: 0 0 18px; }
ul { margin: 0 0 20px 20px; padding: 0; }
li { margin: 7px 0; }
.note, .summary-box { background: var(--soft); border-left: 4px solid var(--accent); padding: 18px 20px; margin: 22px 0 28px; }
.note p:last-child, .summary-box p:last-child { margin-bottom: 0; }
.fact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin: 18px 0 28px; }
.fact { background: #fbf7ef; border: 1px solid var(--line); padding: 14px 16px; }
.fact strong { display: block; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.timeline { border-left: 2px solid var(--line); padding-left: 20px; margin: 20px 0 30px; }
.timeline-item { margin: 0 0 22px; position: relative; }
.timeline-item:before { content: ""; width: 10px; height: 10px; background: var(--accent); border-radius: 50%; position: absolute; left: -26px; top: 8px; }
.timeline-item strong { color: var(--accent-2); }
.faq details { border: 1px solid var(--line); background: #fbf7ef; margin: 10px 0; padding: 15px 18px; }
.faq summary { cursor: pointer; font-weight: 700; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.source-list li { margin-bottom: 10px; }
.footer { border-top: 1px solid var(--line); padding: 32px 0 46px; color: var(--muted); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 14px; }
@media (max-width: 640px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .nav-links { flex-wrap: wrap; }
  .hero { padding-top: 44px; }
}