:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#173024;background:#eff7ef;--ink:#173024;--muted:#5d7065;--card:#fffffb;--line:#d8e7d7;--accent:#2f7d4b;--accent-dark:#1e5d37;--soft:#e3f4df}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#fbfff7 0,#eff7ef 44%,#e1efdf 100%);color:var(--ink)}a{color:var(--accent-dark)}.page-shell{max-width:1120px;margin:0 auto;padding:24px 18px 64px}.crumb{font-size:.92rem;color:var(--muted);margin:8px 0 28px}.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(270px,.65fr);gap:22px;align-items:stretch}.eyebrow{display:inline-flex;margin:0 0 12px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--accent-dark);font-weight:900;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}.hero h1{font-size:clamp(2.15rem,7vw,5rem);line-height:.92;letter-spacing:-.065em;margin:0 0 18px}.lede{font-size:clamp(1rem,2.5vw,1.22rem);line-height:1.65;color:#41584a;max-width:720px}.result-card,.calculator,.copy-block{background:rgba(255,255,251,.92);border:1px solid var(--line);box-shadow:0 18px 45px rgba(28,66,39,.08);border-radius:28px}.result-card{padding:24px;display:flex;flex-direction:column;justify-content:center;min-height:220px;background:linear-gradient(160deg,#fffffb,#dff2d9)}.result-card .label{font-weight:900;color:var(--accent-dark);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}.result-card strong{font-size:clamp(2.8rem,9vw,5.3rem);line-height:.9;margin:12px 0;color:var(--accent-dark);letter-spacing:-.05em}.result-card span:last-child{line-height:1.5;color:#3f513f}.calculator{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:22px;margin-top:26px;padding:20px}form{display:grid;gap:16px}fieldset{border:1px solid var(--line);border-radius:22px;padding:18px;background:#fffffb}legend{font-weight:900;padding:0 8px;color:#223429}.grid{display:grid;gap:14px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:grid;gap:7px;font-weight:800;color:#263b2d;font-size:.94rem}input,select{width:100%;border:1px solid #c9ddc9;border-radius:14px;padding:13px 12px;font:inherit;color:var(--ink);background:#fff}input:focus,select:focus{outline:3px solid rgba(47,125,75,.18);border-color:var(--accent)}.hint{margin:11px 0 0;color:var(--muted);font-size:.92rem;line-height:1.55}.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.preset-row button{border:1px solid #b8d4b7;border-radius:999px;background:var(--soft);color:var(--accent-dark);font-weight:900;padding:10px 13px;cursor:pointer}.preset-row button:hover{background:#d3ebcc}.breakdown{border-left:1px solid var(--line);padding:8px 4px 8px 18px}.breakdown h2{margin:4px 0 16px;font-size:1.35rem}dl{display:grid;gap:12px;margin:0}dl div{display:flex;justify-content:space-between;gap:14px;align-items:baseline;padding:14px;border:1px solid var(--line);border-radius:16px;background:#f8fff5}dt{color:var(--muted);font-weight:800}dd{margin:0;text-align:right;font-weight:950;color:#173024}.copy-block{margin-top:22px;padding:24px}.copy-block h2{margin:0 0 12px;font-size:1.55rem}.copy-block p,.copy-block li{line-height:1.68;color:#4d6356}.examples ul{margin:0;padding-left:20px}.faq details{border-top:1px solid var(--line);padding:15px 0}.faq details:first-of-type{border-top:0}.faq summary{font-weight:900;cursor:pointer}.faq p{margin-bottom:0}@media (max-width:820px){.hero,.calculator{grid-template-columns:1fr}.breakdown{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.two,.three{grid-template-columns:1fr}.result-card{min-height:170px}.page-shell{padding-inline:14px}}