:root{--ink:#171717;--muted:#555;--line:rgba(0,0,0,.09);--soft:#fafafa;--blue:#0a72ef;--pink:#de1d8d;--red:#ff5b4f;--green:#0f8f4d;--amber:#a15c00;--bad:#b42318}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Geist,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:#fff}a{color:inherit}header{position:sticky;top:0;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);z-index:2;box-shadow:0 1px 0 var(--line)}.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:14px 22px}.brand{font-weight:600;letter-spacing:-.04em;text-decoration:none}.navlinks{display:flex;gap:18px;align-items:center;font-size:14px}.navlinks a{text-decoration:none;color:#444}.button,.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:6px;padding:10px 16px;font-weight:500;text-decoration:none;cursor:pointer}.primary{background:#171717;color:#fff}.ghost{box-shadow:0 0 0 1px var(--line);background:#fff}.hero{max-width:1180px;margin:auto;padding:86px 22px 46px;text-align:center}.badge{display:inline-flex;gap:8px;align-items:center;border-radius:999px;background:#ebf5ff;color:#0068d6;padding:6px 12px;font-size:13px;font-weight:500}.hero h1{font-size:clamp(44px,8vw,88px);line-height:.96;letter-spacing:-.07em;margin:22px auto 18px;max-width:960px}.hero p{max-width:760px;margin:0 auto 28px;color:#4d4d4d;font-size:20px;line-height:1.7}.search{display:flex;gap:10px;max-width:720px;margin:0 auto 16px;padding:8px;border-radius:12px;box-shadow:0 0 0 1px var(--line),0 8px 30px rgba(0,0,0,.06)}input{flex:1;border:0;outline:0;font:inherit;padding:13px 14px;border-radius:8px;background:#fafafa}.quick{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.quick button{border:0;background:#fff;box-shadow:0 0 0 1px var(--line);border-radius:999px;padding:7px 11px;cursor:pointer}.wrap{max-width:1180px;margin:auto;padding:28px 22px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:#fff;border-radius:12px;padding:22px;box-shadow:0 0 0 1px var(--line),0 2px 2px rgba(0,0,0,.04),0 8px 8px -8px rgba(0,0,0,.04)}.card h2,.card h3{letter-spacing:-.04em;margin:0 0 10px}.metric{font-size:54px;line-height:1;font-weight:600;letter-spacing:-.07em}.muted{color:var(--muted);line-height:1.65}.status-good{color:var(--green)}.status-moderate{color:var(--amber)}.status-bad{color:var(--bad)}.ad{min-height:96px;border:1px dashed #cfcfcf;border-radius:12px;background:#fafafa;color:#777;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;margin:24px 0}.section-title{font-size:42px;letter-spacing:-.06em;margin:24px 0 12px}.city-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.city-list a{padding:12px;border-radius:10px;text-decoration:none;box-shadow:0 0 0 1px var(--line)}.article{max-width:820px}.article h2{font-size:30px;letter-spacing:-.04em;margin-top:34px}.article p,.article li{color:#444;line-height:1.8}.footer{margin-top:60px;padding:32px 22px;box-shadow:0 -1px 0 var(--line);color:#666}.footer .inner{max-width:1180px;margin:auto;display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap}.footer a{color:#444;margin-right:14px}.notice{font-size:13px;color:#777}.loading{animation:pulse 1.2s infinite alternate}@keyframes pulse{from{opacity:.45}to{opacity:1}}@media(max-width:800px){.grid{grid-template-columns:1fr}.city-list{grid-template-columns:1fr 1fr}.search{flex-direction:column}.navlinks{display:none}.hero{text-align:left}.hero p{margin-left:0}.quick{justify-content:flex-start}}