:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#172033;
  background:#f7f8fc;
  line-height:1.5;
}
*{box-sizing:border-box}
body{margin:0}
.page-shell{width:min(1080px,100%);margin:0 auto;padding:22px 18px 56px}
.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,.92);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:#657287;margin-bottom:22px}.crumb a,.related a{color:#2456d6;font-weight:800;text-decoration:none}.hero{padding:18px 0 24px}.eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #dfe5f0;color:#526173;font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
h1{font-size:clamp(2.15rem,7vw,4.8rem);line-height:.96;letter-spacing:-.065em;margin:18px 0 14px}h2{font-size:clamp(1.35rem,3vw,2rem);letter-spacing:-.03em;margin:0 0 10px}p,li{color:#4d596b;font-size:1.04rem}.hero p{max-width:820px;font-size:1.17rem}
.tool-card,.content-grid article,.faq,.related,.chart-card{background:#fff;border:1px solid #e0e6f1;border-radius:28px;box-shadow:0 18px 45px rgba(22,31,54,.07)}.tool-card,.chart-card{padding:22px;margin-top:10px}.tool-heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.sample-btn,.preset-row button{border:0;border-radius:999px;background:#172033;color:#fff;font-weight:800;padding:12px 15px;cursor:pointer;box-shadow:0 10px 20px rgba(23,32,51,.16)}.sample-btn:hover,.preset-row button:hover{transform:translateY(-1px)}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}.form-grid label{display:flex;flex-direction:column;gap:7px;color:#39465a;font-weight:800}.form-grid input,.form-grid select{width:100%;border:1px solid #cfd7e6;border-radius:16px;padding:13px 14px;font:inherit;background:#fff;color:#172033}.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 18px}.preset-row button{background:#eef3ff;color:#1c46b8;box-shadow:none;border:1px solid #d9e4ff}.results{display:grid;grid-template-columns:1.2fr 1fr;gap:16px;align-items:stretch}.result-main,.mini-results>div{border-radius:22px;background:linear-gradient(135deg,#172033,#274161);padding:22px;color:#fff}.result-main span,.mini-results span{display:block;color:#cbd6e6;font-weight:800;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.result-main strong{display:block;font-size:clamp(1.7rem,5vw,3.2rem);letter-spacing:-.05em;margin:8px 0}.result-main p{color:#e9eef8;margin:0}.mini-results{display:grid;gap:12px}.mini-results>div{background:#f4f7fb;color:#172033;border:1px solid #e0e6f1;box-shadow:none}.mini-results span{color:#657287}.mini-results strong{display:block;font-size:1.22rem;margin-top:6px}.conversion-note{margin:16px 0 0;padding:14px 16px;border-radius:18px;background:#fff7df;border:1px solid #f2dc99;color:#66511c;font-weight:700}.chart-card{margin-top:20px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-top:12px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #e6ebf4}th{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:#657287}tr:last-child td{border-bottom:0}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0}.content-grid article,.faq,.related{padding:22px}.faq{margin-top:20px}.faq details{border-top:1px solid #e6ebf4;padding:14px 0}.faq summary{cursor:pointer;font-weight:900;color:#172033}.faq p{margin-bottom:0}.related{margin-top:20px}footer{text-align:center;color:#718097;margin-top:28px;font-weight:700}
@media (max-width:760px){.page-shell{padding:18px 14px 42px}.site-nav{margin-top:-10px}.tool-heading,.results{display:block}.sample-btn{width:100%;margin-top:12px}.form-grid,.content-grid{grid-template-columns:1fr}.mini-results{margin-top:12px}h1{letter-spacing:-.05em}.tool-card,.chart-card,.content-grid article,.faq,.related{border-radius:22px;padding:18px}}