:root{--bg:#f6f8fb;--surface:#fff;--surface2:#eef4fa;--text:#14213d;--muted:#5d6b82;--line:#dce5ef;--brand:#0a66c2;--brand2:#0b7a75;--accent:#f6b73c;--danger:#b42318;--ok:#107569;--shadow:0 18px 50px rgba(20,33,61,.10);--radius:22px;--max:1180px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px max(18px,calc((100vw - var(--max))/2));gap:20px}.logo{display:flex}.main-nav{display:flex;gap:18px;align-items:center;font-weight:800;font-size:15px}.main-nav a{color:var(--text)}.nav-toggle{display:none;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:22px;padding:7px 10px}main{min-height:70vh}.hero{padding:58px max(18px,calc((100vw - 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var(--max))/2));display:grid;grid-template-columns:1fr 1fr;gap:22px}.site-footer a{color:#fff;margin-right:14px;font-weight:800}.copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:16px;margin:0;color:#aac2e0}.search-box{display:flex;gap:10px;max-width:620px}.search-box input{flex:1;border:1px solid var(--line);border-radius:999px;padding:14px 18px;font:inherit}.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.kpi .card strong{display:block;font-size:28px}@media(max-width:900px){.hero .wrap,.two-col,.card-grid,.three-col,.site-footer{grid-template-columns:1fr}.calc-grid,.calc-results,.kpi{grid-template-columns:1fr 1fr}.main-nav{display:none;position:absolute;right:18px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.main-nav.open{display:flex}.nav-toggle{display:block}}@media(max-width:560px){.calc-grid,.calc-results,.kpi{grid-template-columns:1fr}.hero{padding-top:36px}.hero-actions{flex-direction:column}.btn{width:100%}}

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