:root {
  --ink: #17312c;
  --ink-soft: #4b625d;
  --paper: #f7f5ef;
  --paper-deep: #eceee7;
  --sage: #cdd9c8;
  --sage-deep: #9aae9e;
  --clay: #c98e76;
  --line: #d9ded6;
  --white: #fffdf8;
  --max: 1180px;
  --shadow: 0 22px 48px rgba(23,49,44,.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247,245,239,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(23,49,44,.08);
}
.header-inner {
  max-width: var(--max);
  min-height: 78px;
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 26px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--ink); border-radius: 11px 11px 11px 3px;
  font-size: 11px; letter-spacing: .08em;
}
.brand-name { font-size: 18px; }
.site-nav { display: flex; gap: 24px; align-items: center; }
.site-nav a { font-size: 13px; color: var(--ink-soft); transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--ink); }
.language-switcher { display: inline-flex; gap: 2px; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-button { border: 0; background: transparent; color: var(--ink-soft); padding: 6px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; cursor: pointer; }
.lang-button.is-active { background: var(--ink); color: var(--paper); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 4px 0; }

.hero { padding: 74px 28px 58px; }
.hero-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: center; }
.hero-copy { max-width: 690px; }
.eyebrow, .section-kicker, .index-label { font-size: 11px; letter-spacing: .16em; font-weight: 800; color: var(--ink-soft); }
.hero h1 { margin: 18px 0 22px; font-size: clamp(52px, 7.4vw, 100px); line-height: .98; letter-spacing: -.075em; font-weight: 760; }
.hero h1 span { color: var(--sage-deep); }
.hero-lead { max-width: 620px; font-size: 18px; color: var(--ink-soft); margin: 0; }
.hero-meta { margin-top: 24px; display: flex; gap: 9px; flex-wrap: wrap; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.hero-visual { position: relative; }
.hero-visual img { display: block; width: 100%; max-width: 500px; margin-left: auto; }
.visual-note { margin: 8px 0 0; text-align: right; font-size: 10px; color: #75827d; }

.notice-band { max-width: var(--max); margin: 0 auto 58px; padding: 22px 28px; display: grid; grid-template-columns: 42px 1fr; gap: 17px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.notice-icon { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--sage-deep); border-radius: 50%; font-weight: 800; }
.notice-band h2 { font-size: 14px; margin: 0 0 4px; }
.notice-band p { margin: 0; font-size: 13px; color: var(--ink-soft); }

.article-shell { max-width: var(--max); margin: 0 auto; padding: 0 28px 92px; display: grid; grid-template-columns: 205px 1fr; gap: 72px; }
.article-index { position: sticky; top: 108px; align-self: start; display: grid; gap: 10px; }
.article-index a { color: var(--ink-soft); font-size: 12px; line-height: 1.45; }
.article-index a:hover { color: var(--ink); }
.article-content { min-width: 0; }
.article-section { padding: 66px 0; border-top: 1px solid var(--line); scroll-margin-top: 88px; }
.article-section:first-child { padding-top: 6px; border-top: 0; }
.article-section h2 { margin: 13px 0 18px; font-size: clamp(30px, 4.3vw, 58px); line-height: 1.06; letter-spacing: -.055em; }
.article-section > p { max-width: 760px; font-size: 16px; color: var(--ink-soft); }
.anatomy-strip { margin-top: 35px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.anatomy-strip > div { padding: 18px 16px 18px 0; border-right: 1px solid var(--line); }
.anatomy-strip > div:not(:first-child) { padding-left: 16px; }
.anatomy-strip > div:last-child { border-right: 0; }
.anatomy-strip strong { display: block; font-size: 14px; margin-bottom: 5px; }
.anatomy-strip span { display: block; font-size: 12px; color: var(--ink-soft); }
.split-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 55px; }
.split-section h2 { max-width: 360px; }
.split-section p { margin-top: 0; color: var(--ink-soft); }

.accent-quote { margin: 24px 0; padding: 38px 42px 40px; border-left: 4px solid var(--clay); background: #f0e9e0; }
.accent-quote p { max-width: 780px; margin: 0; font-size: clamp(25px, 3vw, 40px); line-height: 1.18; letter-spacing: -.035em; }
.accent-quote cite { display: block; margin-top: 16px; color: var(--ink-soft); font-style: normal; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }

.signal-grid { margin-top: 32px; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 36px; row-gap: 12px; }
.signal-item { display: grid; grid-template-columns: 32px 1fr; gap: 15px; padding: 18px 0; border-top: 1px solid var(--line); }
.signal-number { font-size: 11px; font-weight: 800; color: var(--clay); padding-top: 4px; }
.signal-item h3 { margin: 0 0 4px; font-size: 16px; }
.signal-item p { margin: 0; font-size: 13px; color: var(--ink-soft); }

.principles { margin-top: 34px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.principles > div { border-top: 3px solid var(--sage-deep); padding-top: 16px; }
.principles span { display: block; font-size: 11px; color: var(--ink-soft); margin-bottom: 10px; }
.principles strong { font-size: 17px; }
.principles p { color: var(--ink-soft); font-size: 13px; }

.timeline { margin-top: 30px; border-left: 1px solid var(--sage-deep); }
.timeline-step { position: relative; padding: 0 0 26px 32px; display: grid; grid-template-columns: 74px 1fr; gap: 17px; }
.timeline-step::before { content: ""; position: absolute; left: -5px; top: 4px; width: 9px; height: 9px; border: 2px solid var(--sage-deep); background: var(--paper); border-radius: 50%; }
.timeline-step time { font-size: 11px; font-weight: 800; color: var(--clay); padding-top: 2px; }
.timeline-step strong { display: block; font-size: 15px; }
.timeline-step p { margin: 3px 0 0; color: var(--ink-soft); font-size: 13px; }

.local-context { background: linear-gradient(90deg, transparent 0 4%, rgba(205,217,200,.32) 4% 96%, transparent 96%); padding-left: 42px; padding-right: 42px; }
.context-note { margin-top: 28px; display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start; }
.context-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--sage); font-weight: 800; font-size: 11px; }
.context-note strong { font-size: 15px; }
.context-note p { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }

.absence-list { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.absence-list div { background: var(--white); padding: 16px; font-size: 13px; }
.absence-list span { color: var(--clay); font-size: 20px; margin-right: 9px; vertical-align: -2px; }

.safety-note { margin-top: 24px; padding: 26px 28px; border: 1px solid var(--line); background: var(--paper-deep); }
.safety-note h2 { margin: 0 0 8px; font-size: 20px; letter-spacing: -.03em; }
.safety-note p { margin: 0; font-size: 13px; color: var(--ink-soft); }

.site-footer { background: #19322d; color: #edf1eb; padding: 58px 28px 22px; }
.footer-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.25fr .95fr 1fr; gap: 60px; }
.footer-brand { font-size: 20px; font-weight: 760; letter-spacing: -.035em; }
.site-footer h2 { margin: 0 0 13px; font-size: 12px; letter-spacing: .13em; text-transform: uppercase; color: #bac7bf; }
.site-footer p { margin: 10px 0 0; max-width: 340px; color: #b9c5bf; font-size: 12px; }
.legal-details { margin: 0; }
.legal-details > div { padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.legal-details dt { font-size: 10px; text-transform: uppercase; letter-spacing: .09em; color: #94a69d; }
.legal-details dd { margin: 2px 0 0; font-size: 12px; color: #ebf0ec; }
.footer-bottom { max-width: var(--max); margin: 38px auto 0; padding-top: 15px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; font-size: 10px; color: #8fa098; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr auto auto; gap: 12px; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; left: 16px; right: 16px; top: 68px; padding: 16px; display: none; grid-template-columns: 1fr 1fr; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 9px; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-visual img { margin: 0 auto; max-width: 520px; }
  .visual-note { text-align: center; }
  .article-shell { grid-template-columns: 1fr; gap: 25px; }
  .article-index { position: static; grid-template-columns: repeat(2, 1fr); gap: 7px 20px; padding-bottom: 10px; }
  .index-label { grid-column: 1 / -1; margin-bottom: 5px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .header-inner, .hero, .notice-band, .article-shell { padding-left: 18px; padding-right: 18px; }
  .header-inner { min-height: 68px; }
  .brand-name { font-size: 16px; }
  .language-switcher { order: 2; }
  .menu-toggle { order: 3; }
  .site-nav { top: 62px; left: 10px; right: 10px; }
  .hero { padding-top: 52px; }
  .hero h1 { font-size: clamp(48px, 16vw, 76px); }
  .hero-lead { font-size: 16px; }
  .notice-band { grid-template-columns: 34px 1fr; }
  .article-index { grid-template-columns: 1fr; }
  .article-section { padding: 46px 0; }
  .article-section h2 { font-size: 36px; }
  .anatomy-strip { grid-template-columns: 1fr 1fr; }
  .anatomy-strip > div { border-bottom: 1px solid var(--line); }
  .anatomy-strip > div:nth-child(2) { border-right: 0; }
  .anatomy-strip > div:nth-child(3), .anatomy-strip > div:nth-child(4) { border-bottom: 0; }
  .split-section, .signal-grid, .principles, .absence-list, .footer-grid { grid-template-columns: 1fr; }
  .split-section { gap: 4px; }
  .accent-quote { padding: 28px 24px; }
  .accent-quote p { font-size: 27px; }
  .local-context { padding-left: 22px; padding-right: 22px; }
  .timeline-step { grid-template-columns: 1fr; gap: 3px; padding-left: 24px; }
  .footer-grid { gap: 34px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}