:root{--ink:#17212b;--muted:#53616d;--paper:#f5f7f8;--white:#fff;--line:#cfd8de;--accent:#9f3039;--accent-dark:#722129;--teal:#16666b;--gold:#d7aa55;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}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:1.65}a{color:var(--accent-dark);text-underline-offset:3px}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.skip-link{position:fixed;top:8px;left:8px;z-index:20;background:#fff;padding:10px;transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.nav{width:min(var(--max),calc(100% - 32px));height:62px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-family:Georgia,serif;font-size:1.35rem;font-weight:700;text-decoration:none;color:var(--ink)}.nav-links{display:flex;gap:18px;overflow:auto;white-space:nowrap}.nav-links a{text-decoration:none;font-size:.9rem;color:var(--ink)}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.first-screen{padding:24px 0 44px;background:#e9eef0}.hero{margin:0 0 24px;position:relative}.hero img{display:block;width:100%;height:clamp(210px,35vw,390px);object-fit:cover;object-position:center 52%;border-radius:6px}.hero figcaption{position:absolute;right:10px;bottom:10px;max-width:420px;background:rgba(20,28,34,.86);color:#fff;padding:6px 9px;font-size:.75rem}.first-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:34px;align-items:start}.kicker{margin:0 0 4px;color:var(--teal);font-weight:800;text-transform:uppercase;font-size:.78rem}h1,h2,h3{font-family:Georgia,serif;line-height:1.15;letter-spacing:0}h1{font-size:clamp(2rem,4vw,3.75rem);margin:.2rem 0 1rem;max-width:900px}h2{font-size:clamp(1.7rem,3vw,2.6rem);margin:0 0 18px}h3{font-size:1.35rem;margin:8px 0 10px}.lede{font-size:1.2rem;max-width:760px}.evidence{color:var(--muted);max-width:820px}.quick{border-left:5px solid var(--accent);background:#fff;padding:20px}.quick p{margin:9px 0;font-size:.92rem}.quick a{display:inline-block;margin-top:8px;font-weight:800}.band{padding:64px 0}.band.white{background:#fff}.band p{max-width:820px}.table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}table{width:100%;border-collapse:collapse;min-width:760px}caption{text-align:left;padding:12px 14px;background:#24333d;color:#fff;font-weight:700}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}thead th{background:#edf1f3;font-size:.84rem;text-transform:uppercase}.definitions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.definitions details{background:#fff;border:1px solid var(--line);padding:14px}.definitions summary{font-weight:800;cursor:pointer}.definitions p{margin:10px 0 0;color:var(--muted)}.recommendations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.product{background:#fff;border-top:5px solid var(--teal);padding:22px}.product p{margin:9px 0}.tag{font-size:.75rem;font-weight:800;color:var(--teal);text-transform:uppercase}.utility{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:#fff}.controls,.result{padding:22px}.controls{display:grid;gap:10px;border-right:1px solid var(--line)}label{font-weight:800}select,button{font:inherit;min-height:44px;padding:9px 11px;border:1px solid #87949d;background:#fff}button{background:var(--accent-dark);color:#fff;border:0;font-weight:800;cursor:pointer}.result{background:#e8f2f1}.noscript{background:#fff4d9;border-left:4px solid var(--gold);padding:14px}.reader-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}.reader-tool{background:#fff;border:1px solid var(--line);padding:20px}.details-table td{font-size:.9rem}.steps{max-width:840px;padding-left:24px}.steps li{margin:10px 0}.source-list{max-width:900px}.source-list li{margin:10px 0}footer{background:#17212b;color:#fff;padding:28px 0}footer p{margin:0}@media(max-width:760px){html{scroll-padding-top:60px}.nav{height:56px}.nav-links{gap:14px}.nav-links a:nth-child(2),.nav-links a:nth-child(5){display:none}.first-screen{padding-top:14px}.hero{margin-bottom:16px}.hero img{height:220px}.hero figcaption{position:static;max-width:none;background:#24333d}.first-grid{grid-template-columns:1fr;gap:16px}h1{font-size:2.05rem}.lede{font-size:1.04rem}.quick{padding:15px}.band{padding:44px 0}.definitions,.recommendations,.reader-grid,.utility{grid-template-columns:1fr}.controls{border-right:0;border-bottom:1px solid var(--line)}.details-table{min-width:0}.details-table caption{display:block;width:100%}.details-table thead{display:none}.details-table,.details-table tbody,.details-table tr,.details-table th,.details-table td{display:block;width:100%}.details-table tr{padding:12px;border-bottom:5px solid var(--paper)}.details-table th{border:0;font-size:1.05rem}.details-table td{display:grid;grid-template-columns:minmax(112px,38%) minmax(0,1fr);gap:12px;border:0;padding:8px 10px}.details-table td:before{content:attr(data-label);font-weight:800;color:var(--muted)}.wrap{width:min(100% - 24px,var(--max))}}@media(max-width:390px){.details-table td{grid-template-columns:1fr;gap:2px}.brand{font-size:1.15rem}.nav-links{font-size:.82rem}}