:root{font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#263f3c;background:#faf8f2;--ink:#193c37;--line:#d8ded2;--muted:#586d63}*{box-sizing:border-box}body{margin:0}a{color:#246451;text-underline-offset:.22em}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a26b28;outline-offset:4px}.header{max-width:1280px;margin:auto;padding:27px 32px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-size:.85rem;text-decoration:none;color:var(--ink);line-height:1.4}.brand strong{display:block;font-size:.95rem}.mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--ink);color:#faf8f2;font:18px Georgia,serif}.header nav{display:flex;gap:28px;flex-wrap:wrap;font-size:.85rem}.header nav a{text-decoration:none;color:var(--ink)}.header [aria-current]{border-bottom:2px solid var(--ink)}main{max-width:1180px;padding:0 32px;margin:auto;min-height:70vh}.hero{padding:70px 0 45px;border-bottom:1px solid var(--line)}.eyebrow{font-size:.68rem;letter-spacing:.16em;font-weight:750;color:#30624f}h1,h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.04em;line-height:1.1;color:var(--ink);text-wrap:balance}h1{font-size:clamp(2.8rem,5.5vw,4.7rem);margin:24px 0}h2{font-size:clamp(2rem,3.4vw,2.8rem);margin:12px 0 25px}h3{font-size:1.1rem;line-height:1.35;color:var(--ink)}p{max-width:80ch}.deck{max-width:60ch;font-size:1.1rem;color:#50695e}.actions{display:flex;gap:15px;flex-wrap:wrap;margin:30px 0 0}.button{font:600 .83rem/1.6 system-ui,sans-serif;padding:11px 18px;display:inline-block;border:1px solid #99aa98;border-radius:4px;background:transparent;color:var(--ink);text-decoration:none;cursor:pointer}.primary{background:var(--ink);color:#fffdf7;border-color:var(--ink)}.button:hover{background:#e7ecdf}.primary:hover{background:#30624f;color:white}.stats{display:grid;grid-template-columns:repeat(3,1fr);padding:25px 0;gap:30px;border-bottom:1px solid var(--line)}.stats strong{display:block;font:2.3rem Georgia,serif;letter-spacing:-.04em;color:var(--ink)}.stats span{font-size:.75rem;color:var(--muted)}.status{font-size:.77rem;color:var(--muted);margin:18px 0}.scope-note,.privacy{font-size:.85rem;background:#edf1e6;border-left:3px solid #6e9475;padding:20px 22px;max-width:none}.privacy{border-left-color:#ab7651;background:#f3ebe1}section:not(.hero):not(.stats){padding:40px 0;border-bottom:1px solid var(--line);scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.section-heading>a{font-size:.8rem}label{display:block;font-size:.77rem;font-weight:650}input,select{font:inherit;display:block;width:100%;padding:12px;margin-top:8px;border:1px solid #aab8a5;background:#fffdf8;border-radius:3px;color:var(--ink)}.dataset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.dataset{display:flex;flex-direction:column;align-items:flex-start;border:1px solid var(--line);background:#fffdf8;padding:25px;border-radius:4px}.dataset p{font-size:.85rem}.dataset .record-count{font-size:.76rem;color:var(--muted)}.dataset h3{margin:16px 0 4px}.dataset details{margin:10px 0 20px;font-size:.78rem}.dataset details p{font-size:.77rem}.dataset>a{font-size:.83rem;font-weight:650;margin-top:auto}.badge{font-size:.63rem;letter-spacing:.06em;color:#3a6951;padding:5px 9px;border:1px solid #b9cbb6;border-radius:20px}.checksum{overflow-wrap:anywhere;font-size:.67rem!important}.filters{display:grid;grid-template-columns:2fr 1fr;gap:20px}.table-scroll{max-width:100%;overflow:auto;border:1px solid var(--line);background:#fffdf8;margin:20px 0}table{width:100%;border-collapse:collapse;font-size:.8rem}th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:#edf1e6;font-size:.7rem}td small{display:block;color:var(--muted);margin-top:6px}td:nth-child(3){font-variant-numeric:tabular-nums;white-space:nowrap}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;font-size:.86rem}.principles strong{display:block;margin-bottom:7px}.copy-row{display:flex;gap:15px;align-items:center;background:#edf1e6;padding:18px;border:1px solid var(--line);border-radius:4px;max-width:100%}.copy-row code{flex:1;min-width:0;overflow-wrap:anywhere;font-size:.83rem}.copy-row .button{flex-shrink:0}.connection>details{margin:25px 0}summary{cursor:pointer;font-size:.85rem;font-weight:650}.workflow{padding-left:22px}.workflow li{padding:10px 0 15px 12px}.workflow p{font-size:.9rem;margin:8px 0}.examples{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.examples p{background:#edf1e6;padding:24px;font-family:Georgia,serif;font-size:1.05rem}.standards li{padding:8px 0}footer{max-width:1280px;margin:auto;padding:30px 32px;display:flex;justify-content:space-between;gap:20px;font-size:.75rem;color:var(--muted)}.skip{position:absolute;top:-100px;left:20px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}[hidden]{display:none!important}@media(max-width:720px){.header{padding:20px;flex-direction:column;align-items:flex-start;gap:20px}.header nav{gap:22px;font-size:.8rem}main{padding:0 20px}.hero{padding:38px 0 30px}h1{font-size:2.85rem}.deck{font-size:1rem}.stats{gap:15px}.stats strong{font-size:1.65rem}.stats span{font-size:.67rem}.dataset-grid,.principles,.examples,.filters{grid-template-columns:1fr}.dataset{padding:22px}.section-heading{align-items:flex-start;flex-direction:column;gap:0}.copy-row{align-items:flex-start;flex-direction:column}.copy-row code{font-size:.74rem}.table-scroll td{min-width:125px;padding:12px}.table-scroll td:first-child{min-width:200px}footer{padding:25px 20px;flex-direction:column;gap:6px}footer p{margin:0}}
/* Shared-chrome pages: sources, connect, contribute, about */
.level-filter{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 16px}.level-filter button{font:650 .78rem/1.4 system-ui,sans-serif;border:1px solid #b8c5b5;border-radius:30px;padding:8px 14px;background:transparent;color:var(--ink);cursor:pointer}.level-filter button[aria-pressed=true]{background:var(--ink);color:#fffdf7;border-color:var(--ink)}.level-filter button:hover{border-color:var(--ink)}
td:nth-child(4){font-variant-numeric:tabular-nums;white-space:nowrap}td:nth-child(3){white-space:normal}
.client-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:26px 0 0}.client-card{border:1px solid var(--line);border-radius:6px;background:#fffdf8;padding:20px 22px}.client-card h3{margin:0 0 10px}.client-card ol{padding-left:18px;margin:0;font-size:.86rem}.client-card li{margin:0 0 7px}.client-card .copy-row{margin-top:8px;padding:12px}.client-card .copy-row code{font-size:.74rem}
.three-up{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.three-up article{border:1px solid var(--line);border-radius:6px;background:#fffdf8;padding:24px;display:flex;flex-direction:column}.three-up h2{font-size:1.5rem;margin:8px 0 12px}.three-up p{font-size:.9rem}.three-up .small{font-size:.78rem;color:var(--muted)}.three-up .button{margin-top:auto;align-self:flex-start}
.examples code{font:.85rem ui-monospace,monospace}
@media(max-width:860px){.client-cards,.three-up{grid-template-columns:1fr}}