:root{--ink:#101820;--muted:#5d6670;--paper:#f4f2ec;--panel:#fff;--line:#cfd3d6;--hot:#ef5b2a;--hot2:#ff8a54;--navy:#18242f;--green:#1c6655}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.topbar{height:72px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1220px)/2));border-bottom:4px solid var(--hot);position:sticky;top:0;z-index:10}.brand{display:flex;gap:12px;align-items:center;color:#fff;text-decoration:none;font-weight:800;letter-spacing:-.02em}.mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid #66717a;font:700 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--hot2)}nav{display:flex;gap:22px}nav a{color:#dbe1e5;text-decoration:none;font-size:14px}nav a:hover{color:#fff}main{max-width:1220px;margin:auto;padding:0 28px 80px}.hero{padding:86px 0 68px;max-width:1020px}.eyebrow{font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em;color:var(--hot);margin-bottom:18px}.hero h1,.pagehero h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.04em;line-height:.98;margin:0;max-width:950px}.hero h1{font-size:clamp(52px,7vw,92px)}.pagehero{padding:72px 0 42px;border-bottom:1px solid var(--line);margin-bottom:42px}.pagehero h1{font-size:clamp(42px,5vw,68px)}.lede,.pagehero p{font-size:20px;max-width:800px;color:var(--muted);margin:28px 0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-block;background:var(--hot);color:#fff;text-decoration:none;padding:13px 18px;font-weight:800;border:1px solid var(--hot);font-size:14px}.btn:hover{background:#d94b1d}.btn.ghost{background:transparent;color:var(--ink);border-color:#7e858b}.topbar .btn.ghost{color:#fff}.textlink{color:var(--ink);font-weight:800;text-decoration-thickness:1px;text-underline-offset:4px}.notice{max-width:1220px;margin:18px auto 0;padding:12px 28px;background:#fff2cd;border:1px solid #d8bd6b;font-size:14px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--panel);margin-bottom:72px}.metric{padding:24px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric span,.metric small{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}.metric strong{display:block;font:600 30px/1.1 Georgia,serif;margin:10px 0 8px}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start;margin:80px 0}.split h2,.section-head h2,.home-link h2,.content-grid h2,.method h2{font:500 38px/1.08 Georgia,serif;letter-spacing:-.03em;margin:0 0 20px}.split p,.content-grid p,.method p{color:var(--muted);font-size:17px}.formula-card{border-top:4px solid var(--hot);background:var(--panel);box-shadow:0 12px 35px rgba(20,30,40,.06)}.formula-card div{display:grid;grid-template-columns:90px 1fr;gap:20px;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line)}.formula-card b{font:600 26px Georgia,serif}.formula-card span{color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line)}table{border-collapse:collapse;width:100%;min-width:760px}th,td{text-align:left;padding:14px 15px;border-bottom:1px solid #e5e7e8;font-size:14px}th{font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.05em;text-transform:uppercase;background:#eef0f1;color:#56606a}td a{color:var(--ink);font-weight:800;text-decoration:none}tr:hover td{background:#faf8f2}.rank{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--hot)}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:80px 0}.tool{background:var(--panel);padding:34px;text-decoration:none;color:var(--ink);min-height:220px}.tool span,.sectionno{font:700 12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--hot)}.tool h3{font:500 30px Georgia,serif;margin:32px 0 10px}.tool p{color:var(--muted);margin:0}.tool:hover{background:#fffaf5}.home-link{background:var(--navy);color:#fff;padding:42px 46px;display:flex;align-items:center;justify-content:space-between;gap:40px;margin-top:80px}.home-link h2{margin-bottom:8px}.home-link p{color:#c5cdd2;max-width:700px}.home-link .btn{white-space:nowrap}.callout{padding:22px 26px;border-left:4px solid var(--hot);background:#fff;margin:30px 0 48px}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:60px 0}.content-grid article{background:#fff;border:1px solid var(--line);padding:32px}.statehero{margin-bottom:20px}.calculator{display:grid;grid-template-columns:420px 1fr;gap:30px;margin:0 0 70px}.inputs,.results{background:#fff;border:1px solid var(--line);padding:30px}.inputs{display:grid;gap:18px}.inputs label{font-size:13px;font-weight:800;color:#404a52}.inputs input,.inputs select{display:block;width:100%;padding:12px;margin-top:6px;border:1px solid #abb1b6;background:#fafafa;font:inherit}.inputs input[type=range]{padding:0}.inputs output{float:right;color:var(--hot)}.bigresult{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:24px}.bigresult span,.resultgrid span{display:block;color:var(--muted);font-size:13px}.bigresult b{font:500 62px/1 Georgia,serif;color:var(--hot);display:block;margin-top:10px}.resultgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.resultgrid div{border-left:2px solid var(--line);padding-left:16px}.resultgrid b{font-size:20px}.fine{font-size:12px;color:var(--muted);margin-top:32px}.ada-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:50px 0}.ada-grid article{background:#fff;border:1px solid var(--line);padding:32px}.ada-grid h2{font:500 30px Georgia,serif}.ada-grid p{color:var(--muted)}.method{max-width:850px}.source{background:#fff;border:1px solid var(--line);padding:24px;margin:14px 0}.source b{font-size:18px}.source a{color:var(--ink);font-weight:800}.equation{font:700 18px ui-monospace,SFMono-Regular,Menlo,monospace;padding:24px;border:1px solid var(--line);background:#fff;margin:20px 0}.download{margin:24px 0 70px}footer{max-width:1220px;margin:auto;border-top:1px solid var(--line);padding:36px 28px 55px;display:flex;justify-content:space-between;color:var(--muted);font-size:13px}footer strong{color:var(--ink)}footer p{margin:5px 0}.footmeta{text-align:right}footer a{color:var(--ink)}@media(max-width:850px){nav{display:none}.metric-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.split,.calculator{grid-template-columns:1fr;gap:30px}.tool-grid,.content-grid,.ada-grid{grid-template-columns:1fr}.home-link{display:block}.home-link .btn{margin-top:18px}.hero{padding-top:60px}.hero h1{font-size:52px}.section-head{display:block}.section-head .textlink{display:inline-block;margin-bottom:18px}footer{display:block}.footmeta{text-align:left;margin-top:20px}}@media(max-width:520px){main{padding-left:18px;padding-right:18px}.topbar{padding:0 16px}.brand span:last-child{font-size:13px}.metric-grid{grid-template-columns:1fr}.metric{border-right:0!important;border-bottom:1px solid var(--line)!important}.hero h1{font-size:44px}.pagehero h1{font-size:40px}.resultgrid{grid-template-columns:1fr}}
