:root{--ink: #0f172a;--ink-soft: #334155;--muted: #64748b;--bg: #ffffff;--surface: #f8fafc;--surface-2: #f1f5f9;--border: #e2e8f0;--primary: #0d9488;--primary-dark: #0f766e;--primary-tint: #ccfbf1;--accent: #b45309;--accent-tint: #fef3c7;--danger: #b91c1c;--ok: #15803d;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);--maxw: 720px;--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--step-0: 1rem;--step-1: 1.15rem;--step-2: 1.4rem;--step-3: 1.85rem;--step-4: 2.35rem;--step-5: clamp(2.4rem, 7vw, 3.4rem)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:var(--step-0);line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.2;color:var(--ink);margin:0 0 .4em;letter-spacing:-.01em}h1{font-size:var(--step-5);font-weight:800}h2{font-size:var(--step-3);font-weight:700}h3{font-size:var(--step-2);font-weight:650}p{margin:0 0 1rem}a{color:var(--primary-dark);text-underline-offset:2px}a:hover{color:var(--primary)}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.wide{max-width:1040px}.site-header{border-bottom:1px solid var(--border);background:#ffffffe6;-webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);position:sticky;top:0;z-index:10}.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}.brand .mark{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;font-weight:800}.nav{display:flex;align-items:center;gap:18px}.nav a{color:var(--ink-soft);text-decoration:none;font-weight:600;font-size:.95rem}.nav a:hover{color:var(--primary-dark)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;border:1px solid transparent;border-radius:var(--radius-sm);padding:12px 18px;cursor:pointer;text-decoration:none;transition:background .15s ease,border-color .15s ease,transform .05s ease;min-height:46px}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff}.btn-ghost{background:transparent;color:var(--primary-dark);border-color:var(--border)}.btn-ghost:hover{background:var(--surface)}.btn-lg{padding:15px 26px;font-size:1.05rem;min-height:52px}.section{padding:56px 0}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;color:var(--primary-dark);margin-bottom:10px}.lead{font-size:var(--step-1);color:var(--ink-soft)}.muted{color:var(--muted)}.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;background:var(--primary-tint);color:var(--primary-dark);font-weight:700;font-size:.82rem}.grid{display:grid;gap:16px}@media(min-width:640px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}}.notice{border:1px solid var(--border);border-left:4px solid var(--muted);background:var(--surface);border-radius:var(--radius-sm);padding:14px 16px;font-size:.95rem}.notice.warn{border-left-color:var(--accent);background:var(--accent-tint);color:#7c2d12}.site-footer{border-top:1px solid var(--border);background:var(--surface);padding:34px 0;margin-top:40px;font-size:.92rem;color:var(--muted)}.site-footer .links{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:12px}.site-footer a{color:var(--ink-soft);text-decoration:none}.site-footer a:hover{color:var(--primary-dark)}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}.prose h2{margin-top:1.6em}.prose li{margin-bottom:.4em}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.calc{display:grid;gap:22px}.award-toggle{display:inline-flex;padding:4px;gap:4px;background:var(--surface-2);border-radius:999px;border:1px solid var(--border)}.award-toggle button{font:inherit;font-weight:700;border:none;background:transparent;color:var(--ink-soft);padding:9px 18px;border-radius:999px;cursor:pointer;min-height:42px}.award-toggle button[aria-pressed=true]{background:var(--bg);color:var(--primary-dark);box-shadow:var(--shadow)}.fields{display:grid;gap:14px}.field{display:grid;gap:6px}.field label{font-weight:650;color:var(--ink)}.field .hint{font-size:.85rem;color:var(--muted);font-weight:400}.field input{font:inherit;font-size:1.1rem;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--ink);width:100%;min-height:48px}.field input:focus{border-color:var(--primary)}.result{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.result-head{padding:22px;background:var(--surface);border-bottom:1px solid var(--border)}.result-head.done{background:#ecfdf5;border-bottom-color:#a7f3d0}.result-head.short{background:#fffbeb;border-bottom-color:#fde68a}.badge{display:inline-flex;align-items:center;gap:7px;font-weight:800;font-size:.85rem;padding:5px 12px;border-radius:999px}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.count{font-size:var(--step-4);font-weight:800;letter-spacing:-.02em;margin:10px 0 4px}.count small{font-size:1rem;font-weight:600;color:var(--muted)}.progress{height:12px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin-top:12px;border:1px solid var(--border)}.progress>span{display:block;height:100%;background:var(--primary);border-radius:999px;transition:width .4s ease}.result-body{padding:22px;display:grid;gap:20px}.gaps{display:grid;gap:8px}.gap-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg)}.gap-row b{color:var(--accent);white-space:nowrap}.breakdown{width:100%;border-collapse:collapse;font-size:.95rem}.breakdown th,.breakdown td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}.breakdown th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.breakdown td.num{text-align:right;font-variant-numeric:tabular-nums}.tick{color:var(--ok);font-weight:800}.cross{color:var(--accent);font-weight:800}.citations{font-size:.85rem;color:var(--muted)}.citations details{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;background:var(--surface)}.citations summary{cursor:pointer;font-weight:650;color:var(--ink-soft)}.citations blockquote{margin:8px 0 4px;padding-left:12px;border-left:3px solid var(--border);color:var(--ink-soft)}