:root{--bg:#f6f8fb;--ink:#172033;--muted:#667085;--line:#e4e7ec;--accent:#1f5eff;--max:1160px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line)}.nav{display:flex;justify-content:space-between;align-items:center;min-height:70px;gap:20px}.brand{font-size:20px;font-weight:800}.brand span{color:var(--accent)}.nav-links{display:flex;gap:20px;align-items:center;color:#475467;font-size:14px;font-weight:600}.nav-cta{background:var(--ink);color:#fff!important;padding:10px 14px;border-radius:9px}.hero,.page-hero{background:#fff}.hero{padding:76px 0 56px}.page-hero{padding:50px 0 30px;border-bottom:1px solid var(--line)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--accent)}h1{font-size:clamp(40px,6vw,66px);line-height:1.02;letter-spacing:-.04em;margin:10px 0 16px}.hero p,.page-hero p{max-width:760px;color:var(--muted);font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;padding:12px 18px;border-radius:10px;font-weight:700}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:#fff;border:1px solid var(--line)}.section{padding:58px 0}.white{background:#fff}.section-title{font-size:34px;margin:0 0 10px}.section-intro{color:var(--muted);max-width:760px;margin:0 0 28px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.tool-panel,.article,.simple-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.card p,.article p,.simple-card p{color:var(--muted)}.tag{font-size:11px;text-transform:uppercase;font-weight:800;color:var(--accent)}.card-link{display:inline-block;margin-top:16px;color:var(--accent);font-weight:700}.disabled{opacity:.65}.tool-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;padding:42px 0}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.hint{font-size:11px;color:#98a2b3;margin-top:5px}.input-wrap{position:relative}input{width:100%;border:1px solid #d0d5dd;border-radius:9px;padding:12px;font-size:15px}.prefix,.suffix{position:absolute;top:50%;transform:translateY(-50%);color:#667085}.prefix{left:12px}.suffix{right:12px}.has-prefix{padding-left:28px}.has-suffix{padding-right:48px}.reset{border:0;background:var(--ink);color:#fff;padding:11px 15px;border-radius:9px;font-weight:700;cursor:pointer}.results{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fcfcfd}.metric.primary{background:#f1f5ff}.label{font-size:12px;color:var(--muted)}.value{font-size:25px;font-weight:800}.sub{font-size:11px;color:#98a2b3}.insight{margin-top:16px;padding:16px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;font-size:14px}.disclaimer{font-size:12px;color:var(--muted);margin-top:16px}.content-wrap{display:grid;grid-template-columns:1fr 280px;gap:30px;padding:0 0 60px}.sidebar-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.sidebar-box a{display:block;padding:7px 0;color:#475467}.ad-slot{margin:0 0 38px;border:1px dashed #cbd5e1;border-radius:12px;min-height:100px;display:flex;align-items:center;justify-content:center;color:#94a3b8;background:#f8fafc;text-align:center;padding:16px}.simple-page{padding:44px 0 70px}.simple-card{max-width:850px}.footer{background:#fff;border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px}@media(max-width:900px){.cards{grid-template-columns:1fr 1fr}.tool-grid,.content-wrap{grid-template-columns:1fr}}@media(max-width:680px){.container{width:min(var(--max),calc(100% - 28px))}.nav-links a:not(.nav-cta){display:none}.cards,.results{grid-template-columns:1fr}.hero{padding-top:50px}}
.breadcrumbs{font-size:13px;color:var(--muted);padding:18px 0 0}.breadcrumbs a{color:var(--accent)}
.metric-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.metric-nav a{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}.hub-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.hub-card h2{margin-top:4px}.formula{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-weight:700;margin:12px 0}.faq{margin-top:34px}.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px;margin:10px 0}.faq summary{cursor:pointer;font-weight:750}.faq p{color:var(--muted)}
@media(max-width:760px){.hub-grid{grid-template-columns:1fr}}