:root{--bg:#fff;--ink:#14213d;--muted:#5a6b8c;--line:#dbe4f0;--primary:#0b5ed7;--dark:#0b3d91;--accent:#f59e0b;--cta:#0b5ed7}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;padding-bottom:64px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
a{color:var(--primary)}
img{max-width:100%;height:auto}
/* Topbar + header */
.topbar{background:var(--dark);color:#dce6f7;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:7px 16px}
.topbar a{color:#fff;text-decoration:none;font-weight:800}
.site-header2{position:sticky;top:0;background:#fff;z-index:50;border-bottom:3px solid var(--primary);box-shadow:0 2px 10px rgba(11,61,145,.08)}
.header-inner2{display:flex;align-items:center;gap:12px;padding:12px 16px}
.logo2{font-weight:900;text-decoration:none;color:var(--dark);line-height:1.1;font-size:20px}
.logo2 span{display:block;font-size:12px;font-weight:400;color:var(--muted)}
.nav-desktop2{display:none;gap:16px;margin-left:auto}
.nav-desktop2 a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}
.nav-desktop2 a:hover{color:var(--primary)}
.btn-call2{background:var(--primary);color:#fff!important;padding:10px 16px;border-radius:999px;text-decoration:none;font-weight:800;white-space:nowrap}
.nav-toggle2{margin-left:auto;background:var(--dark);border:0;color:#fff;border-radius:10px;padding:9px 12px;font-size:16px}
.nav-mobile2{display:none;flex-direction:column;background:var(--dark);padding:8px 16px}
body.nav-open .nav-mobile2{display:flex}
.nav-mobile2 a{color:#fff;text-decoration:none;padding:11px 0;border-top:1px solid rgba(255,255,255,.15)}
@media(min-width:900px){.nav-desktop2{display:flex}.nav-toggle2,.nav-mobile2{display:none!important}body{padding-bottom:0}.mobile-call-bar{display:none!important}}
@media(max-width:480px){.header-inner2 .btn-call2 .num{display:none}.header-inner2 .btn-call2{font-size:20px}}
/* Hero */
.hero2{background:linear-gradient(135deg,#0b3d91 0%,#0b5ed7 60%,#2f80ed 100%);color:#fff;padding:56px 0 48px;text-align:center}
.hero2-inner{max-width:820px}
.hero2-badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.5px}
.hero2 h1{font-size:32px;margin:14px 0 10px;line-height:1.2}
.hero2-sub{color:#e3ecfd;max-width:640px;margin:0 auto}
.hero2-img img{border-radius:16px;margin-top:18px;box-shadow:0 12px 32px rgba(0,0,0,.3)}
.cta-row2{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0;justify-content:center}
.btn2{display:inline-block;padding:14px 22px;border-radius:999px;font-weight:800;text-decoration:none;flex:1 1 220px;max-width:340px;text-align:center}
.btn2-call{background:var(--accent);color:#231a03!important}
.btn2-zalo{background:#fff;color:var(--dark)!important}
.pills{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px;text-align:left}
.pills div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:12px}
.pills strong{display:block;font-size:18px}
.pills span{font-size:13px;color:#d6e2f8}
@media(min-width:760px){.pills{grid-template-columns:repeat(4,1fr)}.hero2 h1{font-size:46px}}
/* Sections */
.section2{padding:44px 0}
.section2.alt{background:#f2f6fc}
.section2 h2{font-size:26px;margin:0 0 6px;padding-left:14px;border-left:5px solid var(--accent)}
.sec-sub{color:var(--muted);margin:0 0 18px}
@media(max-width:480px){.section2{padding:32px 0}.section2 h2{font-size:22px}}
.grid2{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:760px){.grid2{grid-template-columns:repeat(3,1fr)}}
.card2{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 4px 14px rgba(11,61,145,.06);display:flex;flex-direction:column}
.card2-img{display:block;aspect-ratio:16/10;overflow:hidden;background:#e8eef7}
.card2-img img{width:100%;height:100%;object-fit:cover;display:block}
.card2-body{padding:16px;display:flex;flex-direction:column;flex:1}
.card2-body h3{margin:0 0 8px;font-size:18px}
.card2-body h3 a{color:inherit;text-decoration:none}
.card2-body p{color:var(--muted);flex:1}
.more2{font-weight:800;text-decoration:none}
/* Steps */
.steps2{counter-reset:s;display:grid;gap:10px}
.steps2 div{border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:#fff;border-left:5px solid var(--primary)}
/* Price + contact boxes */
.price-box,.contact-box{background:#fff;border:2px solid var(--primary);border-radius:20px;padding:26px}
/* Areas */
.area-list{columns:1;list-style:none;padding:0;margin:0}
.area-list li{padding:8px 0;border-bottom:1px dashed var(--line)}
@media(min-width:760px){.area-list{columns:2}}
/* Testimonials */
.t-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.t-head img{width:56px;height:56px;border-radius:50%;object-fit:cover;flex:none}
.t-head strong{display:block}
.t-stars{color:#e8a100;font-size:14px}
/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:8px 0;background:#fff}
.faq summary{font-weight:700;cursor:pointer}
/* Final CTA */
.cta-final2{background:var(--dark);color:#fff;padding:48px 0;text-align:center}
.cta-final2 p{color:#d6e2f8}
/* Gallery */
.gal2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.gal2 img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;display:block}
@media(min-width:760px){.gal2{grid-template-columns:repeat(3,1fr)}}
/* Breadcrumb */
.breadcrumb{background:#eef3fa;font-size:14px;padding:8px 0;color:var(--muted)}
.breadcrumb .wrap{white-space:nowrap;overflow-x:auto}
.breadcrumb a{color:var(--muted)}
/* Generic content pages */
.section{padding:36px 0}
.section h1{font-size:30px;margin:0 0 12px}
.section h2{font-size:24px;margin:26px 0 10px}
/* Footer */
.site-footer2{background:#0a2c66;color:#c9d6ee}
.footer-grid2{display:grid;gap:18px;grid-template-columns:1fr;padding:30px 16px}
@media(min-width:760px){.footer-grid2{grid-template-columns:2fr 1fr 1fr}}
.site-footer2 a{color:#fff}
.site-footer2 h3{color:#fff;margin:0 0 10px}
.site-footer2 h4{color:var(--accent);margin:0 0 8px}
.site-footer2 ul{list-style:none;padding:0;margin:0}
.site-footer2 li{padding:4px 0}
.footer-bottom2{border-top:1px solid rgba(255,255,255,.15);padding:12px 16px;color:#9db1d4}
/* Animation: hien dan khi cuon + hover */
.rv{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.rv.on{opacity:1;transform:none}
.card2{transition:transform .25s ease,box-shadow .25s ease}
.card2:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(11,61,145,.14)}
.hero2 h1{animation:fadeUp .7s ease both}
.hero2 .cta-row2{animation:fadeUp .7s .15s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.hero2 h1,.hero2 .cta-row2{animation:none}.card2:hover{transform:none}}
.mobile-call-bar{position:fixed;left:0;right:0;bottom:0;display:flex;z-index:60;background:#fff;border-top:1px solid var(--line)}
.mobile-call-bar a{flex:1;text-align:center;padding:14px 8px;font-weight:800;text-decoration:none}
.mobile-call-bar .zalo{background:#fff;color:var(--dark)}
.mobile-call-bar .call{background:var(--primary);color:#fff}