:root {
  --ink: #101b19;
  --muted: #60706c;
  --paper: #f7f6f0;
  --white: #ffffff;
  --line: #dfe4dd;
  --teal: #0d6659;
  --teal-dark: #08483f;
  --mint: #d8efe7;
  --lime: #d7f06b;
  --amber: #f0b85c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(16, 27, 25, .12);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 15px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--teal); color: white; font-family: Georgia, serif; font-size: 19px; }
nav { display: flex; gap: 30px; font-size: 14px; font-weight: 650; color: #30423e; }
nav a:hover, .back-link:hover { color: var(--teal); }

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 610px;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 80px;
  align-items: center;
  padding: 72px 0 82px;
}
.eyebrow { margin: 0 0 18px; color: var(--teal); font-size: 12px; font-weight: 850; letter-spacing: .14em; }
.hero h1, .article-hero h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.055em; line-height: .98; }
.hero h1 { font-size: clamp(58px, 7vw, 92px); }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: #4e5f5b; font-size: 20px; line-height: 1.65; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 49px; padding: 0 22px; border-radius: 12px; font-size: 14px; font-weight: 800; transition: .2s ease; }
.button.primary { background: var(--teal); color: white; box-shadow: 0 10px 25px rgba(13, 102, 89, .16); }
.button.primary:hover { transform: translateY(-2px); background: var(--teal-dark); }
.button.secondary { border: 1px solid #bfc9c3; background: rgba(255,255,255,.4); }
.button.secondary:hover { background: white; }
.signal-card { border-radius: 28px; padding: 30px; color: white; background: linear-gradient(145deg, #0b5c50, #073c35); box-shadow: 0 30px 80px rgba(7, 60, 53, .18); transform: rotate(1.2deg); }
.signal-top { display: flex; gap: 9px; align-items: center; font-size: 12px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; color: #cde6df; }
.pulse { width: 9px; height: 9px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 6px rgba(215,240,107,.12); }
.signal-card > strong { display: block; margin-top: 56px; font-family: Georgia, serif; font-size: 112px; font-weight: 400; line-height: .82; letter-spacing: -.08em; }
.signal-card > p { color: #cde6df; margin: 15px 0 30px; }
.signal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.signal-grid span { padding: 14px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; font-size: 11px; color: #d8ebe6; }
.signal-grid b { display: block; color: white; font-size: 15px; }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px max(20px, calc((100vw - 1180px)/2)); display: flex; justify-content: space-between; gap: 25px; color: #53645f; font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .07em; background: rgba(255,255,255,.35); }
.trust-strip span::before { content: "✓"; margin-right: 8px; color: var(--teal); }

.guides, .related { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 112px 0; }
.section-heading { display: flex; justify-content: space-between; gap: 60px; align-items: end; margin-bottom: 42px; }
.section-heading h2, .method h2, .responsible h2 { margin: 0; font-family: Georgia, serif; font-size: clamp(38px, 4.6vw, 62px); line-height: 1.05; letter-spacing: -.045em; font-weight: 500; }
.section-heading > p { max-width: 410px; margin: 0; color: var(--muted); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-card { min-height: 310px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.58); display: flex; flex-direction: column; transition: .2s ease; }
.guide-card:hover { transform: translateY(-4px); background: white; border-color: #adc4bc; box-shadow: 0 18px 40px rgba(33,52,47,.08); }
.card-topline { display: flex; justify-content: space-between; align-items: center; color: #73817d; font-size: 11px; font-weight: 800; }
.topic { padding: 5px 9px; border-radius: 999px; background: var(--mint); color: var(--teal-dark); }
.guide-card h3 { margin: 46px 0 12px; font-family: Georgia, serif; font-size: 34px; font-weight: 500; letter-spacing: -.04em; }
.guide-card p { color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.domain-row { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--teal); font-size: 13px; font-weight: 800; }

.method { background: var(--white); padding: 110px max(20px, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.method-copy > p:last-child { max-width: 490px; color: var(--muted); margin-top: 26px; }
.method-steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.method-steps li { display: grid; grid-template-columns: 55px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.method-steps li > span { color: var(--teal); font-size: 12px; font-weight: 850; }
.method-steps b { font-size: 17px; }
.method-steps p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.responsible { background: var(--teal-dark); color: white; padding: 90px max(20px, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: 1.2fr .8fr; gap: 100px; align-items: end; }
.eyebrow.light { color: var(--lime); }
.responsible > p { color: #bdd7d0; margin: 0; font-size: 17px; line-height: 1.75; }

footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 36px 0; display: grid; grid-template-columns: 1fr 1.5fr auto; gap: 40px; align-items: center; color: #697773; font-size: 12px; }
.footer-brand { color: var(--ink); }

.article-header { height: 82px; }
.back-link { font-size: 13px; font-weight: 750; }
.article-shell { width: min(1060px, calc(100% - 40px)); margin: 0 auto; }
.article-hero { padding: 90px 0 64px; border-bottom: 1px solid var(--line); }
.article-hero h1 { max-width: 900px; font-size: clamp(48px, 6.5vw, 82px); }
.article-summary { max-width: 760px; margin: 28px 0 0; color: var(--muted); font-size: 19px; line-height: 1.7; }
.verified-domain { margin-top: 36px; padding: 18px 20px; border-left: 3px solid var(--lime); background: #e8efe9; border-radius: 0 12px 12px 0; display: flex; justify-content: space-between; gap: 20px; }
.verified-domain span { color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }
.verified-domain a { color: var(--teal); font-weight: 850; }
.article-layout { display: grid; grid-template-columns: 240px 1fr; gap: 90px; padding: 72px 0 110px; }
.article-aside { color: var(--muted); font-size: 11px; }
.aside-box { position: sticky; top: 24px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.5); }
.aside-box > span { font-weight: 850; color: var(--ink); }
.aside-box ul { list-style: none; margin: 16px 0 0; padding: 0; }
.aside-box li { padding: 8px 0; border-top: 1px solid var(--line); }
.aside-box li::before { content: "✓"; color: var(--teal); margin-right: 8px; }
.article-aside > p { margin-top: 18px; }
.article-body { font-family: Georgia, serif; font-size: 18px; line-height: 1.9; }
.article-body > p { margin: 0 0 28px; }
.article-body h2 { margin: 52px 0 22px; font-size: 36px; line-height: 1.2; letter-spacing: -.03em; }
.source-callout { margin: 48px 0 32px; padding: 24px; border-radius: 18px; background: #e5eee8; display: flex; justify-content: space-between; align-items: center; gap: 30px; font-family: Inter, sans-serif; }
.source-callout span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .07em; }
.source-callout strong { color: var(--teal-dark); font-size: 18px; }
.disclaimer { padding-top: 28px; border-top: 1px solid var(--line); color: var(--muted); font-family: Inter, sans-serif; font-size: 12px; line-height: 1.7; }
.related { border-top: 1px solid var(--line); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-grid a { display: flex; flex-direction: column; min-height: 180px; padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: white; }
.related-grid span { color: var(--teal); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.related-grid b { margin-top: 28px; font-family: Georgia, serif; font-size: 28px; }
.related-grid small { margin-top: auto; color: var(--muted); }

@media (max-width: 900px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 40px; min-height: 0; }
  .signal-card { transform: none; max-width: 520px; }
  .trust-strip { overflow-x: auto; justify-content: flex-start; }
  .trust-strip span { white-space: nowrap; }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .method, .responsible { grid-template-columns: 1fr; gap: 45px; }
  .article-layout { grid-template-columns: 1fr; gap: 35px; }
  .aside-box { position: static; }
  footer { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 600px) {
  .site-header, .hero, .guides, .related, .article-shell, footer { width: min(100% - 28px, 1180px); }
  .site-header { height: 72px; }
  .hero { padding: 55px 0 62px; }
  .hero h1 { font-size: 52px; }
  .hero-lead { font-size: 17px; }
  .hero-actions { flex-direction: column; }
  .guide-grid, .related-grid { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 20px; }
  .method, .responsible { padding-top: 75px; padding-bottom: 75px; }
  .article-hero { padding: 62px 0 45px; }
  .article-hero h1 { font-size: 46px; }
  .verified-domain, .source-callout { align-items: flex-start; flex-direction: column; }
  .article-layout { padding-top: 45px; }
}

.article-visual{margin:2rem 0 0}.article-visual img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:24px;box-shadow:0 22px 60px rgba(0,0,0,.24)}