:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#172033;background:#f5f1ea;--ink:#172033;--muted:#667085;--card:#fffdf8;--line:#e4ddd0;--accent:#9a5b24;--accent-dark:#653615;--soft:#f3dfc5}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#fffdf8 0,#f5f1ea 46%,#ecdfce 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(22,31,54,.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(2.2rem,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:#4f5c66;max-width:720px}.result-card,.calculator,.copy-block{background:rgba(255,253,248,.95);border:1px solid var(--line);box-shadow:0 18px 45px rgba(83,53,26,.09);border-radius:28px}.result-card{padding:24px;display:flex;flex-direction:column;justify-content:center;min-height:220px;background:linear-gradient(160deg,#fffdf8,#f3dfc5)}.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(2.35rem,7.5vw,4.55rem);line-height:.92;margin:12px 0;color:var(--accent-dark);letter-spacing:-.05em}.result-card span:last-child{line-height:1.5;color:#4f5c66}.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:#fffdf8}legend{font-weight:900;padding:0 8px;color:#2c261f}.grid{display:grid;gap:14px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:grid;gap:7px;font-weight:800;color:#2c261f}input,select{width:100%;border:1px solid #d5c8b7;border-radius:14px;padding:12px 13px;background:#fff;color:var(--ink);font:inherit;font-weight:750}input:focus,select:focus{outline:3px solid rgba(154,91,36,.2);border-color:var(--accent)}.hint{margin:12px 0 0;color:var(--muted);line-height:1.55}.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.preset-row button{border:1px solid #d5c8b7;background:#fff8ef;color:var(--accent-dark);border-radius:999px;padding:10px 12px;font-weight:900;cursor:pointer}.preset-row button:hover{background:var(--soft)}.breakdown{border-radius:24px;background:linear-gradient(180deg,#2b1e15,#513017);color:#fff;padding:22px;align-self:start;position:sticky;top:18px}.breakdown h2{margin:0 0 14px;font-size:1.35rem}.breakdown dl{display:grid;gap:10px;margin:0}.breakdown div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.16)}.breakdown div:last-child{border-bottom:0}.breakdown dt{color:#f3d9bc}.breakdown dd{margin:0;text-align:right;font-weight:900}.copy-block{margin-top:22px;padding:24px;line-height:1.7}.copy-block h2{margin-top:0;font-size:clamp(1.35rem,3vw,2rem);letter-spacing:-.03em}.copy-block p{color:#4f5c66}.examples ul{margin:0;padding-left:20px}.examples li{margin:8px 0}.faq details{border-top:1px solid var(--line);padding:15px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:900}.faq p{margin-bottom:0}@media (max-width:860px){.hero,.calculator{grid-template-columns:1fr}.breakdown{position:static}.grid.three{grid-template-columns:1fr 1fr}}@media (max-width:640px){.page-shell{padding:18px 14px 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:clamp(2.2rem,14vw,3.6rem)}.calculator{padding:14px;border-radius:22px}.grid.three{grid-template-columns:1fr}.result-card,.copy-block{border-radius:22px}.preset-row button{width:100%}}