:root{color-scheme:light;--bg:#f7f4ee;--surface:#ffffff;--text:#1d2a26;--muted:#5f6f69;--line:#d9ded9;--accent:#176b5b;--accent-strong:#0f4c40}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit}.page{max-width:1120px;margin:0 auto;padding:32px 20px 56px}.header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 0 28px}.brand{font-weight:700;font-size:18px}.nav{display:flex;gap:18px;color:var(--muted);font-size:14px}.hero{display:grid;grid-template-columns:minmax(0,1fr) 360px;grid-gap:32px;gap:32px;align-items:start;padding:36px 0 28px}.compact-hero{display:block;padding-bottom:16px}h1{margin:0;font-size:48px;line-height:1.04;letter-spacing:0}.lede{max-width:680px;color:var(--muted);font-size:18px;line-height:1.6}.card,.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px}.panel{padding:22px}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px;margin-top:20px}.card{display:block;padding:18px;text-decoration:none}.card h2,.card h3{margin:0 0 8px;font-size:19px}.card p,.panel p{margin:0;color:var(--muted);line-height:1.5}.calculator-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);grid-gap:18px;gap:18px;align-items:start}.calculator-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.calculator-form>div:first-child{grid-column:1/-1}.field{display:grid;grid-gap:7px;gap:7px;font-weight:700}.field input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:6px;padding:0 12px;color:var(--text);background:#fff;font:inherit}.field input:focus{outline:3px solid rgba(23,107,91,.2);border-color:var(--accent)}.field small{color:var(--muted);font-weight:400;line-height:1.4}.result{display:grid;grid-gap:12px;gap:12px;margin-top:18px}.primary-result{padding:4px 0}.mini-breakdown{margin-top:18px;padding-top:8px;border-top:1px solid var(--line)}.metric{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}.metric-strong{color:var(--accent-strong);font-size:18px}.metric strong{white-space:nowrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:6px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700}.footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}@media (max-width:860px){.calculator-shell{grid-template-columns:1fr}}@media (max-width:780px){.hero{grid-template-columns:1fr}h1{font-size:36px}.calculator-form,.tool-grid{grid-template-columns:1fr}}