:root {
    --bg: #f2f4f1;
    --surface: #fbfcf8;
    --surface-2: #e8eee9;
    --text: #0e1211;
    --muted: #68706d;
    --line: #d2d8d4;
    --accent: #008f7a;
    --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
    --sans: "Inter", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: var(--sans); line-height: 1.65; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(to right,rgba(0,0,0,.028) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.028) 1px,transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom,#000,transparent 78%); }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.shell { width: min(100% - 32px, 1180px); margin-inline: auto; }
.mono,.eyebrow,.nav-links,.button,.card-index,.side-nav,.meta { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(242,244,241,.94); backdrop-filter: blur(12px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 800; text-decoration: none; }
.brand em { color: var(--accent); font-style: normal; }
.mark { width: 34px; height: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 3px; padding: 4px; border: 1px solid var(--text); background: var(--surface); }
.mark span:nth-child(1),.mark span:nth-child(4) { background: var(--accent); }
.mark span:nth-child(2),.mark span:nth-child(3) { border: 1px solid var(--text); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover,.nav-links a[aria-current="page"] { color: var(--text); }
.hero { padding: clamp(76px,11vw,140px) 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(300px,.8fr); gap: clamp(36px,7vw,96px); align-items: end; }
.kicker-row { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 14px; margin-bottom: 30px; border-bottom: 1px solid var(--line); color: var(--muted); }
.eyebrow { color: var(--accent); }
h1,h2,h3 { line-height: .98; letter-spacing: -.03em; }
h1 { margin: 0; max-width: 920px; font-size: clamp(3.25rem,8vw,6.8rem); }
h1 span,h2 span { color: var(--accent); }
h2 { margin: 0 0 18px; font-size: clamp(2rem,5vw,4.5rem); }
h3 { margin: 0 0 12px; font-size: 1.35rem; text-transform: uppercase; }
.lede { max-width: 760px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1.05rem,2vw,1.28rem); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 13px 18px; border: 1px solid var(--text); text-decoration: none; }
.button.primary,.button:hover { color: var(--surface); background: var(--text); }
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; padding: 1px; border: 1px solid var(--text); background: var(--line); }
.quadrant { min-height: 132px; padding: 18px; background: var(--surface); }
.quadrant b { display: block; margin-top: 34px; font-size: 14px; text-transform: uppercase; }
.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 860px; margin-bottom: 52px; }
.cards { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.card { min-height: 210px; padding: 24px; background: var(--surface); }
.card-index { color: var(--accent); }
.card h3 { margin-top: 52px; }
.card p,.article p,.article li { color: var(--muted); }
.content-grid { display: grid; grid-template-columns: minmax(0,1fr) 250px; gap: 72px; align-items: start; padding-bottom: 100px; }
.article section { padding: 36px 0; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.article section:first-child { border-top: 0; padding-top: 0; }
.article h2 { font-size: clamp(1.8rem,4vw,3.2rem); }
.article h3 { margin-top: 28px; font-size: 1.05rem; }
.article ul { padding-left: 1.2rem; }
.side-nav { position: sticky; top: 104px; padding: 20px; border: 1px solid var(--text); background: var(--surface); }
.side-nav p { margin: 0 0 12px; color: var(--accent); }
.side-nav a { display: block; padding: 7px 0; color: var(--muted); text-decoration: none; }
.contact { padding: 28px; border: 1px solid var(--text); background: var(--text); color: var(--surface); }
.contact p { color: #bfc5c1; }
details { padding: 18px 0; border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 700; }
.note { padding: 16px 18px; border-left: 3px solid var(--accent); background: var(--surface-2); }
.site-footer { padding: 34px 0 46px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-row p { margin: 0; }
.footer-links { display: flex; gap: 18px; }
@media (max-width: 780px) { .hero-grid,.content-grid { grid-template-columns: 1fr; } .matrix { margin-top: 20px; } .side-nav { display: none; } .cards { grid-template-columns: 1fr; } .nav-links { gap: 12px; } .nav-links .back { display: none; } .meta { display: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }