:root{
  --qb-green:#129447;
  --qb-green-dark:#0a6f34;
  --qb-green-soft:#eaf7ef;
  --qb-red:#e5252a;
  --qb-red-dark:#b6171c;
  --qb-cream:#fff8ec;
  --qb-yellow:#f2c14e;
  --qb-text:#232923;
  --qb-muted:#667068;
  --qb-white:#ffffff;
  --qb-border:#e2e9e3;
  --qb-shadow:0 18px 50px rgba(23,69,38,.12);
  --qb-radius:22px;
  --container:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:118px}
main section[id]{scroll-margin-top:118px}
body{
  margin:0;
  color:var(--qb-text);
  background:#fff;
  font-family:"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.65;
}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto}
.section{padding:88px 0}
.section-soft{background:var(--qb-cream)}
.section-green{background:linear-gradient(135deg,var(--qb-green-dark),var(--qb-green));color:#fff}
.section-heading{max-width:720px;margin:0 auto 42px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--qb-green);font-weight:800;font-size:.78rem;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px
}
.section-green .eyebrow{color:#d9ffe7}
.section-title{
  margin:0 0 14px;font-size:clamp(2rem,4vw,3.25rem);
  line-height:1.16;letter-spacing:-.035em
}
.section-copy{margin:0;color:var(--qb-muted);font-size:1.05rem}
.section-green .section-copy{color:rgba(255,255,255,.82)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:11px 20px;border-radius:999px;
  font-weight:800;border:1px solid transparent;cursor:pointer;
  transition:.22s ease;white-space:nowrap
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--qb-red);color:#fff;box-shadow:0 12px 28px rgba(229,37,42,.25)}
.btn-primary:hover{background:var(--qb-red-dark)}
.btn-secondary{background:var(--qb-green);color:#fff}
.btn-secondary:hover{background:var(--qb-green-dark)}
.btn-outline{background:rgba(255,255,255,.92);border-color:rgba(255,255,255,.7);color:var(--qb-text)}
.btn-outline:hover{background:#fff}
.btn-light{background:#fff;color:var(--qb-green-dark)}
.btn-sm{min-height:40px;padding:8px 16px;font-size:.9rem}

/* Top bar */
.topbar{background:var(--qb-green-dark);color:#fff;font-size:.9rem}
.topbar-inner{
  min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px
}
.topbar-group{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar a:hover{text-decoration:underline}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(18,148,71,.1)
}
.navbar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:76px;height:68px;object-fit:contain}
.brand-text{line-height:1.08}
.brand-name{font-size:1.14rem;font-weight:900;color:var(--qb-green-dark)}
.brand-tagline{font-size:.75rem;color:var(--qb-red);font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:10px 12px;border-radius:12px;font-size:.94rem;font-weight:700;color:#3c483f
}
.nav-links a:hover,.nav-links a.active{background:var(--qb-green-soft);color:var(--qb-green-dark)}
.menu-toggle{
  display:none;width:46px;height:46px;border:0;border-radius:14px;background:var(--qb-green-soft);
  color:var(--qb-green-dark);font-size:1.45rem;cursor:pointer
}

.mobile-menu{display:none}

/* Hero */
.hero{
  position:relative;min-height:720px;display:grid;align-items:center;
  background-image:linear-gradient(90deg,rgba(5,46,23,.88) 0%,rgba(5,46,23,.76) 38%,rgba(5,46,23,.18) 68%,rgba(5,46,23,.08) 100%),
  url("../images/banner/hero-quoc-bao-desktop.webp");
  background-position:center;background-size:cover;color:#fff;overflow:hidden
}
.hero:after{
  content:"";position:absolute;inset:auto 0 0;height:160px;
  background:linear-gradient(transparent,rgba(0,0,0,.18));pointer-events:none
}
.hero-content{position:relative;z-index:2;max-width:720px;padding:92px 0}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;padding:9px 14px;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;background:rgba(255,255,255,.1);font-size:.83rem;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase
}
.hero h1{margin:20px 0 20px;font-size:clamp(2.8rem,6vw,5.3rem);line-height:1.02;letter-spacing:-.055em}
.hero h1 span{display:block;color:#ffe39b}
.hero-copy{max-width:650px;font-size:1.15rem;color:rgba(255,255,255,.88);margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-trust{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.trust-chip{
  display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:14px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  font-size:.9rem;font-weight:700
}

/* Trust strip */
.trust-strip{position:relative;z-index:4;margin-top:-48px}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:24px;
  box-shadow:var(--qb-shadow);overflow:hidden;border:1px solid var(--qb-border)
}
.trust-item{padding:24px;display:flex;align-items:flex-start;gap:14px}
.trust-item:not(:last-child){border-right:1px solid var(--qb-border)}
.icon-circle{
  width:46px;height:46px;display:grid;place-items:center;border-radius:15px;
  background:var(--qb-green-soft);color:var(--qb-green);font-size:1.25rem;flex:0 0 auto
}
.trust-item h3{font-size:1rem;margin:0 0 5px}
.trust-item p{margin:0;color:var(--qb-muted);font-size:.88rem;line-height:1.5}

/* About */
.about-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:56px;align-items:center}
.about-media{display:flex;flex-direction:column;gap:16px}
.about-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--qb-radius);box-shadow:var(--qb-shadow)}
.about-badge{
  position:relative;right:auto;bottom:auto;max-width:340px;padding:20px 22px;border-radius:18px;
  background:#fff;box-shadow:var(--qb-shadow);border-left:5px solid var(--qb-red);margin-left:auto
}
.about-badge strong{display:block;color:var(--qb-green-dark);font-size:1.08rem;margin-bottom:6px}
.about-badge span{display:block;color:var(--qb-text);line-height:1.6}
.about-content h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.15;margin:0 0 20px}
.about-content p{color:var(--qb-muted);font-size:1.04rem}
.check-list{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:13px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-weight:700}
.check-list span{color:var(--qb-green);font-size:1.15rem}

/* Categories */
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.category-card{
  position:relative;min-height:330px;border-radius:var(--qb-radius);overflow:hidden;color:#fff;
  box-shadow:0 16px 38px rgba(29,55,35,.14);isolation:isolate
}
.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s ease;z-index:-2}
.category-card:after{
  content:"";position:absolute;inset:0;background:linear-gradient(transparent 20%,rgba(7,38,18,.88) 100%);z-index:-1
}
.category-card:hover img{transform:scale(1.06)}
.category-content{position:absolute;left:22px;right:22px;bottom:22px}
.category-content h3{margin:0 0 7px;font-size:1.32rem}
.category-content p{margin:0;color:rgba(255,255,255,.82);font-size:.9rem}

/* Products */
.filter-bar{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.filter-btn{
  border:1px solid var(--qb-border);background:#fff;color:var(--qb-text);
  padding:9px 16px;border-radius:999px;font-weight:800;cursor:pointer
}
.filter-btn.active,.filter-btn:hover{background:var(--qb-green);border-color:var(--qb-green);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{
  border:1px solid var(--qb-border);border-radius:var(--qb-radius);overflow:hidden;background:#fff;
  box-shadow:0 12px 35px rgba(28,64,39,.07);transition:.25s ease
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--qb-shadow)}
.product-media{position:relative;aspect-ratio:1/1;overflow:hidden;background:#eef4ef}
.product-media img{width:100%;height:100%;object-fit:cover;transition:.45s ease}
.product-card:hover .product-media img{transform:scale(1.04)}
.product-badge{
  position:absolute;left:14px;top:14px;padding:7px 11px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--qb-green-dark);font-size:.75rem;font-weight:900
}
.product-body{padding:22px}
.product-body h3{font-size:1.25rem;margin:0 0 8px}
.product-body p{color:var(--qb-muted);font-size:.94rem;margin:0 0 18px}
.product-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}
.product-price{font-weight:900;color:var(--qb-red);font-size:.95rem}

/* Experience */
.experience-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px}
.experience-media{position:relative}
.experience-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--qb-radius)}
.experience-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.point-card{padding:18px;border-radius:17px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.point-card strong{display:block;margin-bottom:4px}
.point-card span{font-size:.9rem;color:rgba(255,255,255,.78)}

/* Gallery */
.gallery-grid{
  display:grid;grid-template-columns:1.4fr .8fr .8fr;grid-template-rows:260px 260px;gap:14px
}
.gallery-item{position:relative;overflow:hidden;border-radius:18px;cursor:pointer}
.gallery-item:first-child{grid-row:1/3}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s ease}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-item:after{
  content:"Xem ảnh";position:absolute;right:12px;bottom:12px;padding:7px 10px;border-radius:999px;
  background:rgba(0,0,0,.56);color:#fff;font-size:.78rem;font-weight:800;opacity:0;transition:.2s
}
.gallery-item:hover:after{opacity:1}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{
  padding:26px;border-radius:var(--qb-radius);border:1px solid var(--qb-border);background:#fff;
  position:relative
}
.step-number{font-size:2.4rem;font-weight:950;color:rgba(18,148,71,.16);line-height:1;margin-bottom:15px}
.step-card h3{margin:0 0 8px}
.step-card p{margin:0;color:var(--qb-muted);font-size:.92rem}

/* FAQ */
.faq-list{max-width:900px;margin:auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--qb-border);border-radius:17px;background:#fff;overflow:hidden}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;
  text-align:left;border:0;background:#fff;padding:20px 22px;font-weight:850;color:var(--qb-text);cursor:pointer
}
.faq-question span:last-child{font-size:1.4rem;color:var(--qb-green)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-answer p{padding:0 22px 21px;margin:0;color:var(--qb-muted)}
.faq-item.open .faq-answer{max-height:220px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px}
.map-card,.contact-card{border-radius:var(--qb-radius);overflow:hidden;background:#fff;border:1px solid var(--qb-border);box-shadow:0 14px 40px rgba(20,60,31,.08)}
.map-card iframe{width:100%;height:100%;min-height:480px;border:0}
.contact-card{padding:34px}
.contact-card h2{font-size:2rem;margin:0 0 10px}
.contact-card>p{color:var(--qb-muted);margin-bottom:28px}
.contact-list{display:grid;gap:16px;margin-bottom:26px}
.contact-row{display:flex;gap:14px;align-items:flex-start}
.contact-row .icon-circle{width:42px;height:42px;border-radius:13px}
.contact-row strong{display:block;margin-bottom:3px}
.contact-row span,.contact-row a{color:var(--qb-muted);font-size:.95rem}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap}

/* CTA */
.final-cta{
  padding:55px;border-radius:30px;background:
  radial-gradient(circle at 90% 20%,rgba(242,193,78,.32),transparent 24%),
  linear-gradient(135deg,var(--qb-green-dark),var(--qb-green));
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px
}
.final-cta h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.1;margin:0 0 10px}
.final-cta p{max-width:650px;color:rgba(255,255,255,.82);margin:0}
.final-cta-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}

/* Footer */
.footer{background:#082b18;color:#fff;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:36px}
.footer-logo{width:118px;background:#fff;border-radius:18px;padding:9px;margin-bottom:14px}
.footer p,.footer a{color:rgba(255,255,255,.72);font-size:.92rem}
.footer h3{font-size:1rem;margin:0 0 14px}
.footer-links{display:grid;gap:9px}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:20px;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:22px;
  color:rgba(255,255,255,.58);font-size:.85rem
}

/* Floating contacts */
.floating-desktop{
  position:fixed;right:18px;bottom:22px;z-index:45;display:grid;gap:10px
}
.float-btn{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;
  box-shadow:0 10px 26px rgba(0,0,0,.2);font-size:1.2rem;font-weight:900
}
.float-call{background:var(--qb-red)}
.float-facebook{background:#1877f2}
.float-map{background:var(--qb-green)}
.mobile-contact-bar{display:none}

/* Modal */
.lightbox{
  position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.88);
  display:none;align-items:center;justify-content:center;padding:24px
}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1100px,94vw);max-height:88vh;border-radius:14px}
.lightbox-close{
  position:absolute;right:22px;top:18px;width:46px;height:46px;border-radius:50%;
  border:0;background:#fff;color:#111;font-size:1.5rem;cursor:pointer
}

/* Animation */
.reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
.reveal.visible{opacity:1;transform:none}

/* Responsive */
@media (max-width:1024px){
  .nav-links,.header-cta{display:none}
  .menu-toggle{display:grid;place-items:center}
  .mobile-menu{
    position:fixed;top:120px;left:16px;right:16px;background:#fff;border-radius:20px;
    box-shadow:var(--qb-shadow);padding:14px;display:none;z-index:55;border:1px solid var(--qb-border)
  }
  .mobile-menu.open{display:grid}
  .mobile-menu a{padding:13px 14px;border-radius:12px;font-weight:800}
  .mobile-menu a:hover{background:var(--qb-green-soft)}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-item:nth-child(2){border-right:0}
  .trust-item:nth-child(-n+2){border-bottom:1px solid var(--qb-border)}
  .about-grid,.experience-grid,.contact-grid{grid-template-columns:1fr}
  .about-media{order:2}
  .category-grid{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery-grid{grid-template-columns:1.25fr .75fr;grid-template-rows:250px 250px 250px}
  .gallery-item:first-child{grid-row:1/3}
  .gallery-item:nth-child(4),.gallery-item:nth-child(5){grid-column:auto}
}

@media (max-width:720px){
  body{padding-bottom:68px}
  #gioi-thieu.section{padding-top:54px;padding-bottom:38px}
  .container{width:min(100% - 24px,var(--container))}
  .section{padding:62px 0}
  .topbar-inner{min-height:34px;justify-content:center;text-align:center}
  .topbar-group:first-child{display:none}
  .navbar{min-height:72px}
  .brand img{width:62px;height:56px}
  .brand-name{font-size:1rem}
  .brand-tagline{font-size:.66rem}
  .hero{
    min-height:740px;background-image:linear-gradient(0deg,rgba(4,43,20,.94) 0%,rgba(4,43,20,.72) 56%,rgba(4,43,20,.24) 100%),
    url("../images/banner/hero-quoc-bao-mobile.webp");
    background-position:center
  }
  .hero-content{padding:305px 0 70px}
  .hero h1{font-size:clamp(2.55rem,13vw,4rem)}
  .hero-copy{font-size:1rem}
  .hero-actions .btn{width:100%}
  .hero-trust{display:none}
  .trust-strip{margin-top:-28px}
  .trust-grid{grid-template-columns:1fr}
  .trust-item{border-right:0!important;border-bottom:1px solid var(--qb-border)!important}
  .trust-item:last-child{border-bottom:0!important}
  .section-heading{text-align:left;margin-bottom:30px}
  .section-title{font-size:2.15rem}
  .about-grid{gap:22px}
  .about-badge{
    width:100%;
    max-width:none;
    margin:0;
    padding:17px 18px;
    border-left-width:4px;
    border-radius:16px;
  }
  .about-badge strong{font-size:1rem}
  .about-badge span{display:block;font-size:.92rem;line-height:1.55}
  .check-list{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr}
  .category-card{min-height:300px}
  .product-grid{grid-template-columns:1fr}
  .experience-points{grid-template-columns:1fr}
  .gallery-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:240px 170px 170px}
  .gallery-item:first-child{grid-column:1/3;grid-row:auto}
  .steps-grid{grid-template-columns:1fr}
  .map-card iframe{min-height:360px}
  .contact-card{padding:24px}
  .final-cta{padding:34px 24px;display:block}
  .final-cta-actions{justify-content:flex-start;margin-top:24px}
  .final-cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .floating-desktop{display:none}
  .mobile-contact-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;grid-template-columns:repeat(3,1fr);
    background:#fff;border-top:1px solid var(--qb-border);box-shadow:0 -8px 30px rgba(0,0,0,.08)
  }
  .mobile-contact-bar a{
    min-height:62px;display:grid;place-items:center;text-align:center;font-size:.78rem;font-weight:900
  }
  .mobile-contact-bar a:nth-child(1){color:var(--qb-red)}
  .mobile-contact-bar a:nth-child(2){color:#1877f2;border-left:1px solid var(--qb-border);border-right:1px solid var(--qb-border)}
  .mobile-contact-bar a:nth-child(3){color:var(--qb-green)}
}


/* Policy pages */
.policy-page .policy-navbar{
  min-height:76px;
}
.policy-page .policy-back{
  flex-shrink:0;
}
.policy-page .policy-content{
  max-width:860px;
}
.policy-page .policy-card{
  margin-top:32px;
  padding:30px;
  border:1px solid var(--qb-border);
  border-radius:22px;
  background:#fff;
}

@media (max-width:720px){
  .policy-page{padding-bottom:0}
  .policy-page .policy-navbar{
    min-height:66px;
    gap:8px;
  }
  .policy-page .brand{
    gap:8px;
    min-width:0;
  }
  .policy-page .brand img{
    width:48px;
    height:46px;
  }
  .policy-page .brand-name{
    font-size:.88rem;
  }
  .policy-page .brand-tagline{
    display:none;
  }
  .policy-page .policy-back{
    min-height:38px;
    padding:8px 12px;
    font-size:.78rem;
  }
  .policy-page main.section{
    padding:54px 0 60px;
  }
  .policy-page .section-title{
    font-size:2rem;
  }
  .policy-page .policy-card{
    margin-top:26px;
    padding:22px 20px;
    border-radius:18px;
  }
  .policy-page .policy-card h2{
    font-size:1.35rem;
    line-height:1.3;
    margin-top:0;
  }
  .policy-page .policy-card h2:not(:first-child){
    margin-top:24px;
  }
  .policy-page .policy-card p{
    font-size:.95rem;
    line-height:1.7;
  }
  .policy-page .footer{
    padding-top:28px;
  }
}


.contact-actions .btn-outline{
  background:#fff;
  color:var(--qb-green-dark);
  border-color:var(--qb-green);
}
.contact-actions .btn-outline:hover{
  background:var(--qb-green-soft);
  color:var(--qb-green-dark);
}


@media (max-width:720px){
  .footer-bottom{
    display:grid;
    gap:8px;
  }
}


/* ===== FINAL HANDOVER POLISH ===== */

/* Keep product cards aligned even when descriptions have different lengths. */
.product-card{
  display:flex;
  flex-direction:column;
  height:100%;
}
.product-body{
  display:flex;
  flex-direction:column;
  flex:1;
}
.product-body p{
  flex:1;
}
.product-footer{
  margin-top:auto;
}

/* Avoid oversized hero copy on common laptop screens. */
@media (min-width:1025px) and (max-width:1500px){
  .hero h1{
    font-size:clamp(3.2rem,4.35vw,4.35rem);
    max-width:760px;
  }
  .hero-copy{
    max-width:690px;
  }
}

/* Make the opening-hours trust chip visually distinct. */
.trust-chip-hours{
  background:rgba(242,193,78,.18);
  border-color:rgba(255,227,155,.48);
}

/* Clear contact button appearance. */
.contact-actions .btn-outline{
  background:#fff;
  color:var(--qb-green-dark);
  border-color:var(--qb-green);
}
.contact-actions .btn-outline:hover{
  background:var(--qb-green-soft);
  color:var(--qb-green-dark);
}

/* Better anchor landing below the sticky header. */
main section[id]{
  scroll-margin-top:118px;
}

@media (max-width:720px){
  main section[id]{
    scroll-margin-top:82px;
  }
  .hero h1{
    font-size:clamp(2.35rem,12vw,3.65rem);
  }
  .product-footer{
    align-items:flex-end;
  }
  .footer-bottom{
    display:grid;
    gap:8px;
  }
}