/* ====== Style for cuuhoxemayhcm.io.vn ====== */
:root{
  --bg:#f6f8fc;
  --surface:#ffffff;
  --ink:#0f172a;
  --muted:#4b5563;
  --layer:#0f172a;
  --panel:#0b223f;
  --primary:#e11d48;
  --primary-2:#fb923c;
  --accent:#0ea5e9;
  --line:#e5e7eb;
  --brand:var(--primary);
  --brand-2:var(--primary-2);
  --radius:16px;
  --r2:20px;
  --radius-lg:22px;
  --shadow-sm:0 12px 30px rgba(15,23,42,.08);
  --shadow-md:0 30px 70px rgba(15,23,42,.12);
  --max:1180px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{font-family:'Space Grotesk','Inter',system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#f6f8fc 0%,#eef2f7 100%);color:var(--ink);line-height:1.6;}
.container{max-width:var(--max);margin:0 auto;padding:0 22px;}
a{color:inherit;}

.btn{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;text-decoration:none;padding:11px 16px;border-radius:14px;display:inline-block;box-shadow:var(--shadow-sm);border:1px solid rgba(15,23,42,.05);font-weight:700;letter-spacing:.2px;transition:transform .15s ease,box-shadow .15s ease;}
.btn:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(225,29,72,.18);}
.btn-outline{border:1px solid #d8dee9;background:var(--surface);color:var(--ink);box-shadow:none;}
.btn-ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;}
.btn-sm{padding:9px 12px;font-size:14px;}
.btn-lg{padding:12px 18px;font-weight:700;}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid #e5e9f2;box-shadow:0 10px 40px rgba(15,23,42,.05);}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700;}
.brand img{width:42px;height:42px;object-fit:contain;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-title{font-size:17px;}
.brand-sub{font-size:12px;color:var(--muted);}
.main-nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0;align-items:center;}
.main-nav a{text-decoration:none;color:var(--ink);font-weight:600;}
.nav-toggle{display:none;background:transparent;border:0;width:42px;height:42px;border-radius:10px;position:relative;}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);border-radius:2px;transform-origin:center;}
.nav-toggle span:nth-child(1){top:12px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:28px;}

.hero{position:relative;min-height:78vh;color:#f8fafc;overflow:hidden;}
.hero-bg{position:absolute;inset:0;overflow:hidden;}
.hero-bg video{width:100%;height:100%;object-fit:cover;filter:brightness(.55) saturate(1.05);}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(100% 80% at 30% 20%, rgba(225,29,72,.48), transparent 60%),linear-gradient(120deg, rgba(15,23,42,.9) 0%, rgba(15,23,42,.75) 60%, rgba(15,23,42,.85) 100%);}
.hero-inner{position:relative;z-index:1;padding:96px 0 82px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:end;}
.hero h1{margin:12px 0 10px;font-size:clamp(32px,4.2vw,48px);line-height:1.15;letter-spacing:-.01em;}
.lead{max-width:720px;margin:0 0 12px;color:#e5e7eb;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:12px;color:#e2e8f0;font-size:14px;letter-spacing:.2px;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.pill{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:8px 12px;border-radius:999px;font-size:14px;color:#f8fafc;}

.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-md);backdrop-filter:blur(10px);color:#f8fafc;display:flex;flex-direction:column;gap:12px;}
.panel-head p{margin:0;color:#e2e8f0;}
.panel-head strong{font-size:18px;}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.checklist li{position:relative;padding-left:22px;color:#f1f5f9;}
.checklist li::before{content:"✓";position:absolute;left:0;top:2px;color:#bbf7d0;font-weight:700;}
.eta-card{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:12px 14px;border-radius:14px;}
.eta-card span{display:block;color:#e2e8f0;font-size:14px;}
.eta-card b{font-size:28px;margin:2px 0;}
.eta-card small{color:#cbd5e1;}
.eta-chip{background:rgba(255,255,255,.18);padding:10px 12px;border-radius:12px;font-weight:700;}
.panel-footer{display:flex;align-items:center;gap:10px;color:#e2e8f0;}
.link-inline{text-decoration:none;color:#fff;font-weight:700;}
.link-inline:hover{text-decoration:underline;}

.sticky-call{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;gap:8px;justify-content:center;padding:12px;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-top:1px solid rgba(255,255,255,.16);box-shadow:0 -10px 24px rgba(15,23,42,.12);}
.sticky-call a{flex:1;text-align:center;color:#fff;text-decoration:none;font-weight:700;}

.section{padding:80px 0;}
.section-alt{background:var(--surface);}
.section-contrast{background:linear-gradient(135deg,#0f172a,#0b223f);color:#f8fafc;}
.section-contrast h2,.section-contrast h3{color:#fff;}
.section-head{text-align:center;margin-bottom:26px;}
.section h2{margin:0 0 6px;font-size:clamp(24px,3.2vw,32px);}
.section p{margin:0;color:var(--muted);}
.section-contrast p{color:#cbd5e1;}

.grid{display:grid;gap:16px;}
.stats{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-sm);}
.stat{background:linear-gradient(135deg,#ffffff,#f5f7fd);}
.stat-number{font-size:26px;font-weight:800;color:var(--primary);margin:0;}
.card h3{margin:8px 0 6px;}
.card p{margin:0;color:var(--muted);}

.services{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.service-card .icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(135deg,#e0f2fe,#fff1f2);font-size:20px;}
.service-card h3{margin:12px 0 6px;}
.service-card p{margin:0;color:var(--muted);}
.cta-inline{margin-top:18px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

.commit-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.commit{background:linear-gradient(135deg,#fff,#f8fbff);}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;list-style:none;margin:0;padding:0;}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm);}
.steps span{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:800;margin-bottom:8px;}
.steps b{display:block;margin-bottom:4px;}
.steps em{color:var(--muted);font-style:normal;}

.price-cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.price{background:linear-gradient(180deg,#fff,#f8fbff);}
.price-number{font-size:22px;font-weight:800;margin:6px 0 10px;background:linear-gradient(90deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.bullets{margin:0;padding-left:18px;color:var(--muted);}
.note{margin-top:12px;color:var(--muted);text-align:center;}

.coverage-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start;}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0;}
.chips li{border:1px solid #dbeafe;background:#f0f7ff;border-radius:12px;padding:8px 12px;color:#0f172a;}
.coverage-panel{background:linear-gradient(135deg,#0ea5e9,#2563eb);color:#f8fafc;border:none;box-shadow:var(--shadow-sm);}
.coverage-panel p{color:#e8f2ff;}
.coverage-panel .muted{color:#dbeafe;}

.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.post{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;}
.post img{width:100%;height:180px;object-fit:cover;display:block;}
.post .p{padding:14px;}
.post h3{margin:0 0 6px;font-size:18px;line-height:1.3;}
.post a{text-decoration:none;color:var(--ink);}
.post a:hover{text-decoration:underline;}
.post .meta{font-size:14px;color:var(--muted);}

.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:12px 14px;margin:10px 0;box-shadow:var(--shadow-sm);}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);}
.faq p{color:var(--muted);margin:8px 0 0;}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start;}
.contact-left h2{margin:0 0 6px;}
.contact-left p{color:#dbeafe;}
.form label{display:block;margin-bottom:10px;color:#e5e7eb;}
.form input,.form textarea{width:100%;padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;outline:none;}
.form input:focus,.form textarea:focus{border-color:rgba(255,255,255,.35);box-shadow:0 0 0 3px rgba(14,165,233,.25);}
.form-actions{display:flex;gap:12px;margin-top:6px;flex-wrap:wrap;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm);color:var(--ink);}
.panel h3{margin:0 0 8px;}
.panel p{margin:4px 0;color:var(--muted);}
.panel a{text-decoration:none;color:var(--ink);}

.site-footer{background:#0f172a;border-top:1px solid rgba(255,255,255,.08);padding:28px 0;color:#e5e7eb;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;}
.site-footer h4{margin:0 0 6px;color:#fff;}
.site-footer a{text-decoration:none;color:#fff;}

.fab-wrap{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px;}
.fab{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:22px;color:#fff;box-shadow:0 12px 28px rgba(0,0,0,.35), inset 0 0 0 1px rgba(255,255,255,.12);transition:transform .15s ease,filter .15s ease;}
.fab:hover{transform:translateY(-2px);filter:brightness(1.05);}
.fab-call{background:linear-gradient(180deg,#16a34a,#22c55e);}
.fab-zalo{background:linear-gradient(180deg,#2563eb,#3b82f6);}

@media (max-width: 980px){
  .hero-grid,.coverage-grid,.contact-grid{grid-template-columns:1fr;}
  .main-nav ul{position:fixed;inset:70px 0 auto 0;background:#ffffff;border-bottom:1px solid #e5e9f2;transform:translateY(-120%);transition:.25s ease;display:flex;flex-direction:column;padding:16px;gap:12px;box-shadow:0 12px 30px rgba(15,23,42,.12);}
  .main-nav ul.open{transform:translateY(0);}
  .nav-toggle{display:inline-block;}
  .hero{min-height:auto;}
  .hero-inner{padding:82px 0 72px;}
  .sticky-call{display:flex;}
  .header-row{min-height:68px;}
}

@media (max-width: 640px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn,.btn-outline,.btn-ghost,.btn-lg{width:100%;text-align:center;}
  .pill-row{gap:6px;}
  .chips li{padding:7px 10px;}
}

@media (max-width: 480px){
  .brand-sub{display:none;}
  .fab-wrap{bottom:76px;}
}