/*
Theme Name: ThueXeTaiHaNoi
Version: 1.0.0
Description: Custom lightweight WordPress theme for ThueXeTaiHaNoi.vn
Text Domain: thuexetaihanoi
*/
:root{--red:#d71920;--dark:#171717;--light:#f6f6f6;--border:#e7e7e7;--max:1180px}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#171717;line-height:1.65}a{text-decoration:none;color:inherit}.container{width:min(92%,var(--max));margin:auto}
.topbar{background:#171717;color:#fff;padding:8px 0;font-size:14px}.topbar .container{display:flex;justify-content:space-between}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:24px;font-weight:800;color:var(--red)}.logo small{display:block;font-size:10px;color:#555}.nav{display:flex;gap:22px;align-items:center;font-weight:700}.nav a:hover{color:var(--red)}
.btn{display:inline-block;background:var(--red);color:#fff;padding:11px 18px;border-radius:5px;font-weight:800}.btn.light{background:#fff;color:var(--red)}.hero{min-height:500px;background:linear-gradient(90deg,#111d,#1115),url('assets/images/hero.svg') center/cover;color:#fff;display:flex;align-items:center}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.1;max-width:760px}.hero p{font-size:20px;max-width:680px}.section{padding:65px 0}.alt{background:var(--light)}.head{text-align:center;max-width:760px;margin:0 auto 32px}.head h2{font-size:34px;margin:0 0 8px}.grid{display:grid;gap:22px}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--border);border-radius:10px;padding:24px;background:#fff;box-shadow:0 4px 16px #0000000a}.card h3{margin:0 0 8px}.quote{background:var(--red);color:#fff;padding:30px;border-radius:10px}.form{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:9px}.form input,.form select{padding:13px;border:0;border-radius:5px}.form .btn{background:#171717;border:0}.cta{background:#171717;color:#fff;text-align:center}.footer{background:#111;color:#ddd;padding:45px 0 20px}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.copy{border-top:1px solid #333;margin-top:30px;padding-top:15px}.float{position:fixed;right:16px;bottom:16px;background:var(--red);color:#fff;padding:12px 18px;border-radius:30px;font-weight:800}
@media(max-width:900px){.nav{display:none}.g3,.g4,.form,.footergrid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.topbar .container{display:block;text-align:center}.g3,.g4,.form,.footergrid{grid-template-columns:1fr}.hero{min-height:440px}.section{padding:48px 0}}