:root {
  --bg: #0a0a0c;
  --panel: #111114;
  --fg: #f4f1ea;
  --dim: rgba(244, 241, 234, 0.74);
  --faint: rgba(244, 241, 234, 0.64);
  --line: rgba(244, 241, 234, 0.12);
  --brass: #e8b97a;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Geist', Arial, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--brass); outline-offset: 4px; }
::selection { background: var(--brass); color: var(--bg); }

main { position: relative; padding-top: 80px; }
.wrap { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }
.breadcrumbs { padding-top: 52px; color: var(--faint); font: var(--text-meta)/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.breadcrumbs a:hover { color: var(--brass); }

.hero { display: grid; grid-template-columns: 1.55fr .65fr; gap: clamp(48px, 9vw, 130px); align-items: end; padding: clamp(70px, 11vw, 140px) 0 clamp(80px, 10vw, 130px); }
.eyebrow, .section-label { color: var(--brass); font: var(--text-meta)/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -.02em; }
h1 { max-width: 920px; margin: 20px 0 28px; font-size: clamp(56px, 8vw, 112px); line-height: .96; }
h1 em, h2 em { color: var(--brass); font-weight: 400; }
.hero-copy { max-width: 760px; color: var(--dim); font-size: clamp(18px, 2vw, 24px); line-height: 1.55; }
.hero-aside { padding: 24px 0 8px; border-top: 1px solid var(--line); color: var(--dim); font-size: var(--text-body); line-height: 1.7; }
.hero-aside strong { display: block; margin-bottom: 10px; color: var(--fg); font: var(--text-meta)/1.4 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 100%; margin-top: 30px; padding: 15px 19px; border: 1px solid var(--fg); font: var(--text-meta)/1.5 var(--mono); letter-spacing: .13em; text-transform: uppercase; transition: .25s; }
.button:hover { background: var(--fg); color: var(--bg); }
.button.brass { border-color: var(--brass); }

.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.strip-item { min-height: 180px; padding: 34px; border-right: 1px solid var(--line); }
.strip-item:last-child { border-right: 0; }
.strip-item span { color: var(--brass); font: italic 42px/1 var(--serif); }
.strip-item h2, .strip-item h3 { margin: 28px 0 12px; font-size: 24px; }
.strip-item p { margin: 0; color: var(--dim); font-size: var(--text-body); line-height: 1.7; }

.section { padding: clamp(80px, 10vw, 130px) 0; border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .48fr 1.52fr; gap: 44px; margin-bottom: 58px; }
.section-head h2 { max-width: 870px; margin: 0; font-size: clamp(42px, 6vw, 76px); line-height: 1.02; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.panel { padding: clamp(30px, 4vw, 52px); background: var(--bg); }
.panel h3 { margin: 0 0 20px; font-size: clamp(27px, 3vw, 38px); }
.panel p, .panel li { color: var(--dim); font-size: var(--text-body); line-height: 1.75; }
.panel ul, .diagnostic ul { padding-left: 20px; }
.panel li + li, .diagnostic li + li { margin-top: 10px; }
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.fit h3 { margin: 0 0 18px; font-size: 29px; }
.fit p { margin: 0; color: var(--dim); font-size: var(--text-body); line-height: 1.8; }

.diagnostic { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(44px, 8vw, 110px); padding: clamp(42px, 6vw, 76px); border: 1px solid var(--line); background: var(--panel); }
.diagnostic h2 { margin: 14px 0 20px; font-size: clamp(40px, 5vw, 66px); line-height: 1; }
.diagnostic p, .diagnostic li { color: var(--dim); font-size: var(--text-body); line-height: 1.75; }
.deliverable-title { color: var(--fg); font: var(--text-meta)/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; }

.approach { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.approach article { counter-increment: step; min-height: 290px; padding: 34px; border-right: 1px solid var(--line); }
.approach article:last-child { border-right: 0; }
.approach article::before { content: '0' counter(step); display: block; margin-bottom: 68px; color: var(--brass); font: italic 48px/1 var(--serif); }
.approach h3 { margin: 0 0 14px; font-size: 25px; }
.approach p { margin: 0; color: var(--dim); font-size: var(--text-body); line-height: 1.7; }

.evidence { padding: clamp(40px, 6vw, 70px); border-left: 2px solid var(--brass); background: var(--panel); }
.evidence p { max-width: 900px; margin: 12px 0 0; color: var(--dim); font-size: clamp(19px, 2.5vw, 27px); line-height: 1.55; }

.faq { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 30px; padding: 24px 0; list-style: none; cursor: pointer; font-size: 18px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--brass); font: 24px/1 var(--serif); }
details[open] summary::after { content: '−'; }
details p { max-width: 820px; margin: 0; padding: 0 0 26px; color: var(--dim); font-size: var(--text-body); line-height: 1.75; }

.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 330px; padding: clamp(30px, 4vw, 50px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s; }
.service-card:hover { background: var(--panel); }
.service-card .num { color: var(--brass); font: italic 44px/1 var(--serif); }
.service-card h2 { margin: 52px 0 18px; font-size: clamp(29px, 3.5vw, 43px); line-height: 1.05; }
.service-card p { max-width: 500px; margin: 0; color: var(--dim); font-size: var(--text-body); line-height: 1.7; }
.service-card .arrow { display: block; margin-top: 30px; color: var(--brass); }

.cta-band { padding: clamp(80px, 10vw, 130px) 0; text-align: center; }
.cta-band h2 { max-width: 900px; margin: 0 auto; font-size: clamp(48px, 7vw, 92px); line-height: 1; }
.cta-band p { max-width: 650px; margin: 25px auto 0; color: var(--dim); font-size: var(--text-body); line-height: 1.7; }

.reviewed { margin-top: 42px; color: var(--faint); font: var(--text-meta)/1.7 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.guide-intro { max-width: 900px; margin: -15px 0 40px; color: var(--dim); font-size: 18px; line-height: 1.8; }
.related-links { display: flex; flex-wrap: wrap; gap: 20px 40px; padding: 0; list-style: none; color: var(--brass); font-size: var(--text-body); line-height: 1.7; }
.related-links a:hover, .reviewed a:hover { text-decoration: underline; text-underline-offset: 4px; }

.article-head { max-width: 980px; padding: 80px 0 60px; }
.article-head h1 { font-size: clamp(42px, 6.5vw, 84px); line-height: 1.08; }
.article-byline { color: var(--dim); font: var(--text-meta)/1.8 var(--mono); }
.archive-context { margin-top: 28px; padding: 18px 22px; border-left: 1px solid var(--brass); color: var(--dim); font-size: var(--text-body); line-height: 1.8; }
.archive-context a, .article-body a { color: var(--brass); text-decoration: underline; text-underline-offset: 4px; }
.article-body { max-width: 800px; overflow-wrap: anywhere; font-size: var(--text-body); line-height: 1.85; color: var(--dim); }
.article-body h2 { margin-top: 62px; font-size: 40px; line-height: 1.15; color: var(--fg); }
.article-body h3 { margin-top: 42px; font-size: 29px; line-height: 1.25; color: var(--fg); }
.article-body strong { color: var(--fg); }
.article-body p, .article-body ul, .article-body ol { margin-bottom: 26px; }
.article-body li { margin-bottom: 10px; }
.article-body img { display: block; max-width: 100%; height: auto; margin: 38px auto; }
.article-body figure { margin: 36px 0; }
.article-body blockquote { margin: 36px 0; padding: 24px 30px; background: var(--panel); border-left: 2px solid var(--brass); }
.article-body table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.article-body th, .article-body td { padding: 14px; border: 1px solid var(--line); text-align: left; }
.article-body hr { margin: 42px 0; border: 0; border-top: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

@media (max-width: 900px) {
  .hero, .section-head, .diagnostic { grid-template-columns: 1fr; }
  .hero { gap: 42px; }
  .strip-grid, .approach { grid-template-columns: 1fr 1fr; }
  .strip-item:nth-child(2) { border-right: 0; }
  .strip-item:last-child { border-top: 1px solid var(--line); }
  .approach article:nth-child(2) { border-right: 0; }
  .approach article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .two-col, .fit { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .wrap { width: min(100% - 30px, 1180px); }
  .strip-grid, .approach, .service-grid { grid-template-columns: 1fr; }
  .strip-item, .approach article { border-right: 0; border-bottom: 1px solid var(--line); }
  .strip-item:last-child, .approach article:last-child { border-bottom: 0; }
  .service-card { min-height: 290px; }
}