:root{color-scheme:light;--bg:#f8fafc;--surface:#fff;--surface-2:#eef6f5;--text:#15201d;--muted:#5c6a66;--line:#d8e1df;--accent:#0f766e;--accent-strong:#115e59;--accent-soft:#dff4f1;--warning:#a34d12;--warning-soft:#fff2d8;--rose:#be123c;--shadow:0 18px 45px #15201d14;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);scroll-behavior:smooth}body{min-width:320px;margin:0;line-height:1.6}a{color:var(--accent-strong);text-underline-offset:.2em;text-decoration-thickness:.08em}button,input,select{font:inherit}.site-header,.site-footer{justify-content:space-between;align-items:center;gap:1rem;width:min(1160px,100% - 32px);margin:0 auto;display:flex}.site-header{padding:18px 0}.site-footer{border-top:1px solid var(--line);color:var(--muted);align-items:flex-start;margin-top:56px;padding:28px 0 36px}.site-footer p{margin:4px 0 0}.site-footer nav,.site-nav{flex-wrap:wrap;gap:14px;display:flex}.site-nav a,.site-footer a{color:var(--muted);font-size:.95rem;text-decoration:none}.site-nav a:hover,.site-footer a:hover{color:var(--accent-strong)}.brand{color:var(--text);letter-spacing:0;align-items:center;gap:10px;font-weight:760;text-decoration:none;display:inline-flex}.brand-mark{background:var(--text);color:#fff;border-radius:7px;justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex}.section{width:min(1160px,100% - 32px);margin:0 auto;padding:28px 0}.hero{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:32px;padding-top:36px;display:grid}.eyebrow{color:var(--accent-strong);letter-spacing:0;text-transform:uppercase;margin:0 0 10px;font-size:.86rem;font-weight:760}h1,h2,h3{letter-spacing:0;margin:0;line-height:1.12}h1{max-width:780px;font-size:3rem}h2{font-size:1.65rem}h3{font-size:1.08rem}.lead{color:var(--muted);max-width:740px;font-size:1.08rem}.hero-panel,.calculator,.notice,.page-card,.metric,.table-shell{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.hero-panel{padding:22px}.hero-list{gap:12px;margin:18px 0 0;padding:0;display:grid}.hero-list li{gap:2px;list-style:none;display:grid}.hero-list strong{color:var(--text)}.hero-list span{color:var(--muted)}.grid{gap:16px;display:grid}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.page-card{flex-direction:column;gap:12px;padding:18px;text-decoration:none;display:flex}.page-card p{color:var(--muted);margin:0}.tag-row{flex-wrap:wrap;gap:8px;display:flex}.tag{background:var(--accent-soft);color:var(--accent-strong);border-radius:999px;padding:4px 9px;font-size:.82rem;font-weight:680;display:inline-flex}.calculator{grid-template-columns:minmax(0,.95fr) minmax(320px,1.05fr);gap:20px;margin-top:22px;padding:20px;display:grid}.form-grid{gap:14px;display:grid}.field{gap:7px;display:grid}.field label{color:var(--text);font-size:.92rem;font-weight:700}.field input,.field select,.field textarea{appearance:none;border:1px solid var(--line);color:var(--text);background:#fbfdfd;border-radius:7px;width:100%;min-height:42px;padding:9px 11px}.field textarea{resize:vertical;min-height:220px;line-height:1.5}.field small{color:var(--muted)}.results{gap:12px;display:grid}.metric{box-shadow:none;padding:14px}.metric span{color:var(--muted);font-size:.86rem;display:block}.metric strong{margin-top:4px;font-size:1.45rem;display:block}.compact-metrics .metric strong{font-size:1.12rem}.metric.primary{background:var(--surface-2);border-color:#b7dcd7}.metric.warning{background:var(--warning-soft);border-color:#ffd18a}.formula,.content-block{color:var(--muted);margin-top:20px}.formula code,.content-block code,.page-card code,.token-preview code{color:var(--text);background:#edf2f7;border-radius:5px;padding:2px 5px}.token-preview code{overflow-wrap:anywhere;white-space:normal;margin-top:8px;display:block}.notice{color:var(--muted);background:#fff;margin-top:18px;padding:16px}.table-shell{box-shadow:none;margin-top:16px;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:620px}th,td{border-bottom:1px solid var(--line);text-align:left;padding:12px}th{color:var(--muted);font-size:.86rem}.content-list{color:var(--muted);margin:14px 0 0;padding-left:20px}.content-list li+li{margin-top:8px}.link-list{gap:10px;margin-top:14px;display:grid}.cta-row{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.button{background:var(--accent);color:#fff;border-radius:7px;align-items:center;min-height:42px;padding:9px 14px;font-weight:760;text-decoration:none;display:inline-flex}.button.secondary{border:1px solid var(--line);color:var(--text);background:#fff}@media (width<=860px){.site-header,.site-footer{flex-direction:column;align-items:flex-start}.hero,.calculator,.grid.three,.grid.two{grid-template-columns:1fr}h1{font-size:2.15rem}}