:root{--ink:#171717;--muted:#666;--line:#e8e8e8;--soft:#f7f7f5;--accent:#ff0033;--dark:#111}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);line-height:1.6;background:#fff}a{color:inherit;text-decoration:none}.container{width:min(1120px,calc(100% - 40px));margin:auto}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{font-size:21px;font-weight:850;letter-spacing:-.7px}.logo span{color:var(--accent)}.logo em{font-style:normal;color:#888;font-weight:600}.nav nav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:650}.nav nav a:hover{color:var(--accent)}.nav-cta{background:var(--ink);color:#fff!important;padding:10px 14px;border-radius:10px}
.hero{padding:78px 0 70px;background:linear-gradient(180deg,#fff 0%,#fafafa 100%)}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:70px;align-items:center}.eyebrow{font-size:12px;font-weight:850;letter-spacing:1.4px;color:var(--accent)}h1{font-size:clamp(42px,6vw,70px);line-height:1.02;letter-spacing:-3px;margin:15px 0 22px;max-width:800px}h2{font-size:38px;line-height:1.1;letter-spacing:-1.5px;margin:8px 0 16px}h3{line-height:1.2}.lead{font-size:20px;color:var(--muted);max-width:680px}.actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.btn{display:inline-block;padding:13px 18px;border-radius:11px;font-weight:750;border:1px solid var(--ink)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-secondary{background:#fff}.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.06)}.hero-card-top{font-size:11px;font-weight:850;letter-spacing:1px;color:#999;margin-bottom:12px}.path-step{display:flex;gap:14px;align-items:center;border-top:1px solid var(--line);padding:18px 0}.path-step b{font-size:12px;color:var(--accent)}.path-step span{font-weight:700}
.section{padding:80px 0}.muted{background:var(--soft)}.dark{background:var(--dark);color:#fff}.section-head{margin-bottom:28px}.cards{display:grid;gap:16px}.four{grid-template-columns:repeat(4,1fr)}.card,.article-card{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff;transition:.18s}.card:hover,.article-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.06)}.icon{font-size:25px}.card h3{margin:12px 0 7px}.card p,.article-card p{color:var(--muted);font-size:14px;margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.calculator-preview{border:1px solid var(--line);background:#fff;border-radius:20px;padding:36px;text-align:center}.calculator-preview span{font-size:40px;font-weight:850}.calculator-preview small{display:block;color:#888}.calculator-preview strong{display:block;font-size:30px;margin:18px 0}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article-card span{font-size:11px;color:var(--accent);font-weight:850;text-transform:uppercase;letter-spacing:1px}.article-card h3{font-size:20px}.article-card b{display:block;margin-top:20px;font-size:13px}.cta{text-align:center;max-width:750px}.cta p{color:#bbb}.footer{background:#0b0b0b;color:#aaa;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer h4{color:#fff;margin-top:0}.footer-grid a:not(.logo){display:block;margin:7px 0;font-size:14px}.footer .logo{color:#fff}.copyright{border-top:1px solid #292929;margin-top:40px;padding-top:18px;font-size:12px}
.article{max-width:800px;padding:70px 0}.article h1{font-size:52px;letter-spacing:-2px}.article h2{font-size:30px;margin-top:42px}.article p,.article li{font-size:18px}.article .note{background:var(--soft);padding:20px;border-radius:12px;margin:25px 0}.calculator{max-width:720px;margin:50px auto;padding:30px;border:1px solid var(--line);border-radius:18px}.field{margin:18px 0}.field label{display:block;font-weight:750;margin-bottom:7px}.field input,.field select{width:100%;padding:12px;border:1px solid #ccc;border-radius:9px;font-size:16px}.result{display:none;margin-top:25px;background:var(--soft);border-radius:14px;padding:24px}.result strong{font-size:30px}.small{font-size:12px;color:#777}
@media(max-width:900px){.hero-grid,.split{grid-template-columns:1fr}.four{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:1fr 1fr}.nav nav a:not(.nav-cta){display:none}h1{letter-spacing:-2px}}
@media(max-width:600px){.container{width:min(100% - 28px,1120px)}.hero{padding:55px 0}.four,.article-grid,.footer-grid{grid-template-columns:1fr}.section{padding:55px 0}.hero-card{display:none}.article h1{font-size:38px}.lead{font-size:18px}}