:root{--ink:#211d18;--muted:#6d655d;--cream:#fbf8f3;--paper:#fff;--line:#e4ddd3;--accent:#a34e2a;--soft:#f1e8dc;--green:#66785b}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}.site-header{background:#fff;border-bottom:1px solid var(--line);padding:20px 5%}.bar{max-width:1080px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font:800 30px/1 Georgia,serif;color:var(--ink);text-decoration:none}.nav{display:flex;gap:20px;flex-wrap:wrap}.nav a{color:var(--ink);font-weight:650;text-decoration:none}.nav a[aria-current="page"]{border-bottom:2px solid var(--accent)}main{max-width:980px;margin:auto;padding:58px 5% 80px}.eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}h1,h2,h3{font-family:Georgia,serif}h1{font-size:clamp(38px,6vw,68px);line-height:1.02;margin:12px 0 20px}h2{font-size:31px;margin:42px 0 14px}.lead{max-width:760px;color:var(--muted);font-size:19px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;color:var(--ink);text-decoration:none}.tool-card:hover{transform:translateY(-2px);border-color:#c8b8a8}.tool-card span{color:var(--accent);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.tool-card h2,.tool-card h3{font-size:25px;margin:10px 0}.tool-card p{color:var(--muted);margin:0}.calculator{display:grid;grid-template-columns:1fr .95fr;gap:28px;margin-top:40px}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}.field{margin:0 0 18px}.field label{display:block;font-weight:750;margin-bottom:6px}.field small{display:block;color:var(--muted);margin-top:5px}.field input,.field select{width:100%;padding:12px 13px;border:1px solid #cfc5b9;border-radius:9px;background:#fff;color:var(--ink);font:inherit}.button{border:0;border-radius:999px;padding:13px 20px;background:var(--ink);color:#fff;font-weight:800;cursor:pointer}.result{background:var(--soft);border-left:5px solid var(--accent)}.result h2{margin-top:0}.result-list{list-style:none;padding:0;margin:20px 0}.result-list li{padding:11px 0;border-bottom:1px solid #dacdbf;display:flex;justify-content:space-between;gap:20px}.result-list strong{color:var(--accent)}.note{margin-top:24px;background:#edf0e9;border-left:4px solid var(--green);padding:18px 20px}.method{margin-top:48px}.method p,.method li{color:#514941}.source-note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:28px}footer{border-top:1px solid var(--line);padding:30px 5%;text-align:center;color:var(--muted);font-size:14px}@media(max-width:760px){.bar{align-items:flex-start;flex-direction:column}.tool-grid,.calculator{grid-template-columns:1fr}main{padding-top:42px}}