:root {
  --ink: #172327;
  --muted: #5d6a6e;
  --paper: #ffffff;
  --soft: #f2f5f3;
  --teal: #116a68;
  --teal-dark: #0b4d4c;
  --coral: #d35f4a;
  --rule: #d9e0dd;
  --max: 1180px;
}

* { 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: 1.55; }
a { color: inherit; }
button, summary { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 20; padding: 10px 14px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 16px; }
.site-header { height: 76px; max-width: var(--max); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 760; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; background: var(--ink); color: #fff; border-radius: 2px; font-family: Georgia, "Times New Roman", serif; font-size: 15px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: #3e4c50; text-decoration: none; font-size: 14px; font-weight: 680; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--teal); }
.nav-toggle { display: none; border: 1px solid var(--rule); background: #fff; min-height: 40px; padding: 7px 12px; }
.hero { min-height: 540px; display: flex; align-items: center; background-image: url('/assets/images/reputation-analysis-workspace.png'); background-size: cover; background-position: center; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.hero-copy { width: min(100%, var(--max)); margin: 0 auto; padding: 72px 24px; }
.hero-copy > * { max-width: 560px; }
.eyebrow { margin: 0 0 15px; color: var(--teal); text-transform: uppercase; font-size: 12px; font-weight: 820; letter-spacing: .13em; }
h1, h2, h3 { letter-spacing: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; }
h1 { margin: 0; font-size: clamp(48px, 6vw, 78px); line-height: .98; max-width: 570px; }
.hero-deck { margin: 25px 0 24px; font-family: Georgia, "Times New Roman", serif; font-size: 21px; line-height: 1.55; }
.text-link { display: inline-flex; gap: 9px; align-items: center; color: var(--teal-dark); text-decoration: none; font-weight: 780; border-bottom: 2px solid var(--teal); padding-bottom: 3px; }
.text-link:hover, .text-link:focus-visible { color: var(--coral); border-color: var(--coral); }
.article-surface { max-width: var(--max); margin: 0 auto; padding: 72px 24px 82px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(260px, .7fr); gap: 42px; align-items: end; padding-bottom: 28px; }
.section-heading h2, .signal-intro h2, .perspective h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.08; }
.section-heading > p { max-width: 480px; margin: 0; color: var(--muted); font-size: 17px; }
.article-library { border-top: 1px solid var(--ink); }
.topic-group { border-bottom: 1px solid var(--rule); }
.topic-group summary { min-height: 70px; padding: 19px 4px; display: flex; justify-content: space-between; align-items: center; gap: 18px; cursor: pointer; list-style: none; font-size: 20px; font-weight: 760; }
.topic-group summary::-webkit-details-marker { display: none; }
.summary-action { color: var(--teal); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.topic-group[open] .summary-action::after { content: " less"; }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-bottom: 0; }
.article-link { min-height: 185px; padding: 25px; display: flex; flex-direction: column; gap: 9px; background: #fff; text-decoration: none; }
.article-link:hover, .article-link:focus-visible { background: var(--soft); outline: 2px solid var(--teal); outline-offset: -2px; }
.article-link.featured { background: #eaf2ef; }
.article-link strong { font-family: Georgia, "Times New Roman", serif; font-size: 22px; line-height: 1.23; font-weight: 600; }
.article-link > span:last-child { color: var(--muted); font-size: 14px; }
.article-kicker { color: var(--coral); text-transform: uppercase; font-size: 11px; font-weight: 820; letter-spacing: .12em; }
.signal-band { padding: 80px max(24px, calc((100vw - var(--max)) / 2)); background: var(--ink); color: #fff; }
.signal-intro { max-width: 780px; }
.signal-intro .eyebrow { color: #75c8be; }
.signal-steps { margin-top: 54px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid #536064; }
.signal-steps article { padding: 26px 34px 0 0; }
.signal-steps article + article { padding-left: 34px; border-left: 1px solid #536064; }
.signal-steps span { color: #75c8be; font-size: 12px; font-weight: 800; }
.signal-steps h3 { margin: 8px 0 7px; font-size: 21px; }
.signal-steps p { margin: 0; color: #c7d0d1; }
.perspective { max-width: var(--max); margin: 0 auto; padding: 88px 24px; display: grid; grid-template-columns: 1fr .8fr; gap: 32px 72px; align-items: end; }
.perspective > p { margin: 0; color: var(--muted); font-family: Georgia, "Times New Roman", serif; font-size: 20px; }
.perspective .text-link { grid-column: 2; justify-self: start; }
.site-footer { padding: 42px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr auto auto; gap: 28px; align-items: center; border-top: 1px solid var(--rule); color: var(--muted); font-size: 13px; }
.footer-brand { color: var(--ink); }

@media (max-width: 760px) {
  .site-header { height: 68px; padding: 0 18px; position: relative; }
  .brand > span:last-child { font-size: 14px; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 18px; right: 18px; top: 64px; z-index: 10; padding: 18px; background: #fff; border: 1px solid var(--rule); flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 11px 4px; }
  .hero { min-height: 520px; background-position: 59% center; position: relative; }
  .hero::before { content: ""; position: absolute; inset: 0; background: rgba(255,255,255,.72); }
  .hero-copy { position: relative; padding: 72px 20px; }
  h1 { font-size: 50px; max-width: 350px; }
  .hero-deck { font-size: 18px; max-width: 410px; }
  .article-surface { padding: 60px 20px 65px; }
  .section-heading, .perspective { grid-template-columns: 1fr; }
  .section-heading { gap: 17px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-link { min-height: 0; }
  .signal-band { padding: 64px 20px; }
  .signal-steps { grid-template-columns: 1fr; }
  .signal-steps article, .signal-steps article + article { padding: 23px 0; border-left: 0; border-bottom: 1px solid #536064; }
  .perspective { padding: 66px 20px; gap: 22px; }
  .perspective .text-link { grid-column: auto; }
  .site-footer { padding: 36px 20px; grid-template-columns: 1fr; gap: 13px; }
  .site-footer p { margin: 0; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }