:root{--color-primary: #e8792c;--color-primary-dark: #c95f18;--color-ink: #2b2420;--color-ink-soft: #5c5148;--color-bg: #fffaf4;--color-card: #ffffff;--color-border: #eee1d3;--color-accent-bg: #fff1e2;--radius: 14px;--max-width: 880px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-bg);color:var(--color-ink);line-height:1.6}body{display:flex;flex-direction:column;min-height:100vh}main{flex:1}a{color:var(--color-primary-dark)}a:hover{text-decoration:none}img,svg{max-width:100%}.wrap{max-width:var(--max-width);margin:0 auto;padding:0 20px}.site-header{background:var(--color-card);border-bottom:1px solid var(--color-border)}.site-header .wrap{max-width:1080px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}.brand{font-size:1.25rem;font-weight:800;color:var(--color-ink);text-decoration:none;display:flex;align-items:center;gap:8px}.brand:hover{text-decoration:none}nav.main-nav{display:flex;flex-wrap:wrap;gap:4px 14px}nav.main-nav a{color:var(--color-ink-soft);text-decoration:none;font-size:.92rem;font-weight:600;padding:4px 2px}nav.main-nav a:hover{color:var(--color-primary-dark)}.hero{background:linear-gradient(180deg,var(--color-accent-bg) 0%,var(--color-bg) 100%);padding:40px 0 8px}.hero h1{font-size:clamp(1.7rem,4vw,2.4rem);margin:0 0 10px;line-height:1.2}.hero .subtitle{font-size:1.1rem;color:var(--color-ink-soft);margin:0 0 6px;max-width:60ch}.hero .intro{max-width:68ch;color:var(--color-ink-soft)}section{padding:28px 0}section h2{font-size:1.5rem;margin-bottom:12px}section>.wrap>p:first-of-type{margin-top:0}.eyebrow{text-transform:uppercase;letter-spacing:.06em;font-size:.75rem;font-weight:700;color:var(--color-primary-dark);margin:0 0 6px}.calc-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;box-shadow:0 8px 24px #50320a0f}.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:4px}.field label{display:block;font-weight:700;font-size:.88rem;margin-bottom:6px}.field input,.field select{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:10px;font-size:1rem;background:#fff;color:var(--color-ink)}.field input:focus,.field select:focus{outline:2px solid var(--color-primary);outline-offset:1px}.calc-actions{margin-top:16px}button.calc-btn{background:var(--color-primary);color:#fff;border:none;border-radius:10px;padding:12px 22px;font-size:1rem;font-weight:700;cursor:pointer}button.calc-btn:hover{background:var(--color-primary-dark)}.result-box{margin-top:18px;padding:16px 18px;background:var(--color-accent-bg);border-radius:12px;display:none}.result-box.is-visible{display:block}.result-box .result-headline{font-size:1.35rem;font-weight:800;margin:0 0 6px;color:var(--color-primary-dark)}.result-box dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:10px 0 0}.result-box dt{color:var(--color-ink-soft);font-weight:600}.result-box dd{margin:0;font-weight:700}.result-note{margin-top:10px;font-size:.88rem;color:var(--color-ink-soft)}.error-note{margin-top:12px;color:#b3261e;font-size:.9rem;display:none}.error-note.is-visible{display:block}.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--color-border)}table{border-collapse:collapse;width:100%;background:var(--color-card);font-size:.94rem}th,td{padding:9px 12px;border-bottom:1px solid var(--color-border);text-align:left;white-space:nowrap}thead th{background:var(--color-accent-bg);font-weight:800}tbody tr:last-child td{border-bottom:none}tbody tr.is-current{background:#fff3e2}tbody tr.is-current td:first-child{font-weight:800}.stage-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.stage-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:12px;padding:16px}.stage-card h3{margin:0 0 8px;font-size:1.05rem}.stage-card p{margin:0;color:var(--color-ink-soft);font-size:.92rem}.stage-card.is-current{border-color:var(--color-primary);background:#fff3e2;box-shadow:0 0 0 2px #e8792c40}section ul{margin:0;padding-left:1.3em;color:var(--color-ink-soft)}section ul li{margin-bottom:6px}section ul li strong{color:var(--color-ink)}.callout{background:var(--color-accent-bg);border-left:4px solid var(--color-primary);border-radius:8px;padding:14px 18px;margin:18px 0}.disclaimer{font-size:.85rem;color:var(--color-ink-soft);background:#f6f1ea;border-radius:10px;padding:12px 16px;margin-top:20px}.faq-item{border-bottom:1px solid var(--color-border);padding:14px 0}.faq-item:first-child{border-top:1px solid var(--color-border)}.faq-item h3{margin:0 0 6px;font-size:1.02rem}.faq-item p{margin:0;color:var(--color-ink-soft)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.tool-card{display:block;background:var(--color-card);border:1px solid var(--color-border);border-radius:12px;padding:16px;text-decoration:none;color:var(--color-ink)}.tool-card:hover{border-color:var(--color-primary)}.tool-card h3{margin:0 0 6px;font-size:1rem;color:var(--color-primary-dark)}.tool-card p{margin:0;font-size:.88rem;color:var(--color-ink-soft)}.site-footer{border-top:1px solid var(--color-border);background:var(--color-card);padding:28px 0;margin-top:40px}.site-footer .wrap{max-width:1080px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;font-size:.88rem;color:var(--color-ink-soft)}.footer-col{min-width:140px}.footer-heading{font-weight:800;color:var(--color-ink);margin:0 0 8px;font-size:.85rem}.footer-links{display:flex;flex-direction:column;gap:6px}.footer-links a{color:var(--color-ink-soft);text-decoration:none}.footer-links a:hover{color:var(--color-primary-dark)}@media (max-width: 640px){.hero{padding-top:28px}.calc-card{padding:18px}th,td{white-space:normal}}