:root{--bg:#f6f7fb;--text:#172033;--muted:#667085;--card:#fff;--line:#e6e9f0;--primary:#1d4ed8;--primary-dark:#173fae}
*{box-sizing:border-box} body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{background:rgba(255,255,255,.88);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;backdrop-filter:blur(10px)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{font-weight:850;font-size:20px}.nav a{color:var(--primary);text-decoration:none;font-weight:700}
.hero{padding:64px 0 36px}.hero-grid{display:grid;grid-template-columns:1fr 430px;gap:40px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--primary);font-weight:750;font-size:13px}
h1{font-size:clamp(38px,7vw,68px);line-height:.96;margin:12px 0 20px}h2{font-size:30px;margin:0 0 18px}.lead{font-size:20px;line-height:1.6;color:var(--muted);max-width:690px}
.card,.result-card,.disclaimer,.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 18px 40px rgba(23,32,51,.08)}.calculator{padding:24px}
label{display:block;font-weight:750;margin-bottom:16px}input,select{width:100%;border:1px solid #cfd5e3;border-radius:14px;padding:14px;margin-top:8px;font-size:16px;background:#fff}
small{display:block;color:var(--muted);font-weight:400;margin-top:6px;line-height:1.4}button{border:0;background:var(--primary);color:#fff;font-weight:850;border-radius:16px;padding:16px;font-size:16px;cursor:pointer}button:hover{background:var(--primary-dark)}
.calculator button{width:100%}.result-section{padding:24px 0}.result-card{padding:30px}.result-text{color:var(--muted);font-size:18px;line-height:1.6}.score-box{background:#f8fafc;border:1px solid var(--line);border-radius:22px;padding:24px;margin:24px 0}
.score-box span{display:block;color:var(--muted);margin-bottom:4px}.score-box strong{font-size:54px;line-height:1}.score-box p{font-size:20px;font-weight:800;margin:8px 0 0}
.tool-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.tab{background:#fff;color:var(--text);border:1px solid var(--line);padding:12px 14px}.tab.active{background:var(--primary);color:#fff}.tool-panel{border-top:1px solid var(--line);padding-top:22px}
.metrics,.comparison-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.comparison-grid{grid-template-columns:repeat(2,1fr)}.metrics div,.comparison-card{border:1px solid var(--line);border-radius:20px;padding:20px;background:#fff}.metrics span{display:block;color:var(--muted);margin-bottom:8px}.metrics strong,.comparison-card strong{font-size:32px}.tool-panel p,.comparison-card p{color:var(--muted);line-height:1.6}
.details{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.detail-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.detail-row span{color:var(--muted)}
.cities{padding:46px 0}.section-text{color:var(--muted);margin-top:-8px}.table-wrap{overflow:auto;box-shadow:none}table{border-collapse:collapse;width:100%;min-width:680px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:14px 16px}th{color:var(--muted);font-size:14px}
.disclaimer{padding:24px;margin-bottom:46px;box-shadow:none}.disclaimer p{color:var(--muted);line-height:1.6}footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted)}
@media(max-width:860px){.hero-grid,.metrics,.comparison-grid{grid-template-columns:1fr}}