:root{--navy:#0B1F3B;--blue:#007BFF;--text:#0B1F3B;--muted:#5B6472;--line:#DCE2E9;--bg:#F4F6F8}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
header img{height:36px}
header nav a{margin-left:16px;color:var(--text);text-decoration:none;font-weight:600;font-size:15px}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
main{padding:36px 0 60px}
h1{font-size:clamp(28px,4vw,40px);letter-spacing:-.02em;margin:0 0 8px;line-height:1.15}
.intro{color:var(--muted);font-size:17px;margin:0 0 26px;max-width:720px}
.calc{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;align-items:start}
@media (max-width:760px){ .calc{grid-template-columns:1fr} }
.card{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}
#c-form{display:grid;gap:14px}
#c-form label{display:grid;gap:6px;font-weight:600;font-size:14px}
#c-form input,#c-form select{font:inherit;font-weight:400;font-size:15px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);width:100%}
.c-presets{display:flex;flex-wrap:wrap;gap:6px;margin-top:-6px}
.c-presets button{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:5px 10px;cursor:pointer}
.result{background:var(--navy);color:#fff;position:sticky;top:16px}
.result .lbl{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#9FB0C8}
#c-range{font-size:clamp(30px,5vw,40px);font-weight:800;margin:6px 0 2px;letter-spacing:-.01em}
#c-per,#c-zipnote{color:#C9D6E8;font-size:14px;margin:4px 0}
.result .fine{font-size:12.5px;color:#9FB0C8;margin-top:12px}
.cta{margin-top:18px;border:1px solid #2A4468;border-radius:12px;padding:14px;background:#0F2A50}
.cta b{display:block;font-size:16px;margin-bottom:4px}
.cta a.btn{display:inline-block;margin-top:10px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;border-radius:10px;padding:10px 16px}
.more{margin-top:40px}
.more h2{font-size:22px;margin:0 0 8px}
.more p,.more li{color:var(--muted)}
.others{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.others a{border:1px solid var(--line);border-radius:999px;padding:7px 14px;text-decoration:none;font-weight:600;color:var(--text)}
footer{background:#071529;color:#9FB0C8;padding:24px 0;font-size:14px}
footer a{color:#C9D6E8;text-decoration:none}