/* HEAD Việt Thái Quân — headvietthaiquan.vn */
:root{
  --red:#CC0000;--red-dark:#A30000;--ink:#1a1a1a;--gray:#555;--line:#e5e5e5;
  --bg:#ffffff;--bg-soft:#f7f7f7;--radius:12px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.topbar{background:var(--ink);color:#fff;font-size:.82rem;padding:6px 0}
.topbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff}
header.site{background:#fff;border-bottom:3px solid var(--red);position:sticky;top:0;z-index:50}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.15rem;letter-spacing:.5px}
.logo span{color:var(--red)}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{padding:8px 12px;border-radius:8px;font-weight:600;font-size:.92rem}
nav.main a:hover,nav.main a.active{background:var(--red);color:#fff}

/* Hero */
.hero{background:linear-gradient(135deg,var(--red) 0%,var(--red-dark) 70%);color:#fff;padding:56px 0}
.hero h1{font-size:clamp(1.5rem,4vw,2.4rem);line-height:1.25;margin-bottom:14px}
.hero p{max-width:640px;font-size:1.05rem;opacity:.95}
.hero .cta-row{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:700;font-size:.95rem;border:2px solid transparent}
.btn-white{background:#fff;color:var(--red)}
.btn-white:hover{background:#f2f2f2}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}

/* Sections */
section{padding:48px 0}
section.alt{background:var(--bg-soft)}
h2.sec{font-size:1.5rem;margin-bottom:8px}
p.sec-sub{color:var(--gray);margin-bottom:28px;max-width:680px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:box-shadow .2s}
.card:hover{box-shadow:0 6px 24px rgba(0,0,0,.08)}
.card h3{margin-bottom:8px;font-size:1.1rem}
.card p{color:var(--gray);font-size:.93rem}
.badge{display:inline-block;background:#fdeaea;color:var(--red);font-weight:700;font-size:.75rem;padding:3px 10px;border-radius:999px;margin-bottom:10px}

/* Branch card / NAP */
.nap{list-style:none;margin:14px 0;font-size:.95rem}
.nap li{padding:6px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px}
.nap li strong{min-width:86px;color:var(--gray);font-weight:600}
.stars{color:#f5a623;font-weight:700}

/* Product grid */
.product{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-align:center}
.product .ph{background:linear-gradient(160deg,#f2f2f2,#e6e6e6);height:150px;display:flex;align-items:center;justify-content:center;color:#aaa;font-weight:700;font-size:.85rem}
.product .info{padding:16px}
.product .info h3{font-size:1rem;margin-bottom:4px}
.product .info .price{color:var(--red);font-weight:800;font-size:.95rem}
.product .info .cat{color:var(--gray);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}

/* Table */
table.hours{width:100%;border-collapse:collapse;font-size:.93rem;margin:12px 0}
table.hours th,table.hours td{padding:8px 10px;border:1px solid var(--line);text-align:left}
table.hours th{background:var(--bg-soft)}

/* Map */
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.map-wrap iframe{width:100%;height:340px;border:0;display:block}

/* Sticky call bar (mobile) */
.callbar{position:fixed;bottom:0;left:0;right:0;display:none;z-index:60}
.callbar a{flex:1;text-align:center;padding:13px 0;font-weight:800;font-size:.95rem;color:#fff}
.callbar .call{background:var(--red)}
.callbar .zalo{background:#0068ff}
@media(max-width:760px){.callbar{display:flex}body{padding-bottom:52px}}

/* Footer */
footer.site{background:var(--ink);color:#ccc;padding:40px 0 90px;font-size:.9rem}
footer.site h4{color:#fff;margin-bottom:12px;font-size:1rem}
footer.site a:hover{color:#fff;text-decoration:underline}
footer.site .cols{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
footer.site .copy{margin-top:28px;padding-top:16px;border-top:1px solid #333;font-size:.8rem;color:#888}

/* Utility */
.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.note{background:#fff8e6;border:1px solid #f0dfb0;border-radius:8px;padding:12px 16px;font-size:.88rem;color:#7a5c00}