:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#21311f;background:#f4f1e7;--ink:#21311f;--muted:#68725e;--card:#fffdf6;--line:#e3dcc9;--accent:#8a4f20;--accent-dark:#5f3516;--soft:#efe0c3}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#fffaf0 0,#f4f1e7 45%,#e8ddc6 100%);color:var(--ink)}a{color:var(--accent-dark)}.page-shell{max-width:1120px;margin:0 auto;padding:24px 18px 64px}.site-nav{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:-16px 0 24px;padding:12px 16px;background:rgba(255,255,255,.86);border:1px solid #e1e5ee;border-radius:24px;box-shadow:0 10px 24px rgba(34,43,30,.06);backdrop-filter:blur(12px)}.site-brand{display:inline-flex;align-items:center;gap:10px;color:#172033;text-decoration:none;font-weight:800}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#172033;color:#fff;font-weight:900}.site-nav a:not(.site-brand){color:#4b5565;text-decoration:none;font-weight:700;font-size:.95rem}.site-nav a:hover{text-decoration:underline}.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(2.1rem,7vw,4.85rem);line-height:.94;letter-spacing:-.06em;margin:0 0 18px}.lede{font-size:clamp(1rem,2.5vw,1.22rem);line-height:1.65;color:#4f5d48;max-width:720px}.result-card,.calculator,.copy-block{background:rgba(255,253,246,.94);border:1px solid var(--line);box-shadow:0 18px 45px rgba(70,47,25,.09);border-radius:28px}.result-card{padding:24px;display:flex;flex-direction:column;justify-content:center;min-height:220px;background:linear-gradient(160deg,#fffdf6,#ead4ad)}.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,5.25rem);line-height:.9;margin:12px 0;color:var(--accent-dark);letter-spacing:-.05em}.result-card span:last-child{line-height:1.5;color:#514633}.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:#fffdf6}legend{font-weight:900;padding:0 8px;color:#2e2e23}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:grid;gap:7px;font-weight:800;color:#2e2e23}input,select{width:100%;border:1px solid #d7c9ad;border-radius:14px;padding:12px 13px;background:#fff;color:var(--ink);font:inherit;font-weight:700}input:focus,select:focus{outline:3px solid rgba(138,79,32,.18);border-color:var(--accent)}.hint{margin:12px 0 0;color:var(--muted);line-height:1.5}.toggle-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}.toggle-row label{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:800}.toggle-row input{width:auto}.hidden{display:none!important}.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.preset-row button{border:1px solid #c99b61;background:#fff8e9;color:var(--accent-dark);border-radius:999px;padding:9px 12px;font-weight:900;cursor:pointer}.preset-row button:hover{background:#f2dfbd}.breakdown{border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,#fff,#fff8ed);padding:20px}.breakdown h2{margin:0 0 14px;font-size:1.4rem}.breakdown dl{display:grid;gap:10px;margin:0}.breakdown div{display:flex;justify-content:space-between;gap:18px;align-items:baseline;border-bottom:1px solid #eadbc2;padding:0 0 10px}.breakdown div:last-child{border-bottom:0}.breakdown dt{color:var(--muted);font-weight:800}.breakdown dd{margin:0;text-align:right;font-weight:950;color:var(--accent-dark)}.copy-block{margin-top:22px;padding:24px;line-height:1.7}.copy-block h2{margin:0 0 10px;font-size:clamp(1.35rem,3vw,2rem);letter-spacing:-.03em}.copy-block p{margin:0 0 12px;color:#46513e}.copy-block p:last-child{margin-bottom:0}.examples ul{margin:0;padding-left:1.25rem;color:#46513e}.examples li{margin:8px 0}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:950;color:#2f2d23}.faq p{margin-top:10px}@media (max-width:820px){.hero,.calculator{grid-template-columns:1fr}.result-card{min-height:170px}.grid.two,.grid.three{grid-template-columns:1fr}}@media (max-width:640px){.page-shell{padding:18px 12px 48px}.site-nav{margin-top:-8px;padding:10px 12px;border-radius:20px}.site-nav a:not(.site-brand){font-size:.9rem}.brand-mark{width:30px;height:30px}.site-brand span:last-child{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero h1{font-size:2.55rem}.calculator,.copy-block,.result-card{border-radius:22px}.breakdown div{display:grid;gap:3px}.breakdown dd{text-align:left}.toggle-row label{width:100%;justify-content:flex-start}}