/* === Responsive: Global Breakpoints ========================= */
@media(max-width:860px){
  /* Old top-bar / main-nav references removed — new header uses Tailwind */
  
  /* Grid collapses */
  .about-grid{grid-template-columns:1fr;gap:30px}
  .about-actions{flex-direction:column}
  .about-img-frame{max-width:400px;margin:0 auto}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  
  /* Hero */
  .hero{min-height:380px}
  .hero-stats{gap:16px}
  .hero h1{font-size:1.5rem}
  .hero p{font-size:.9rem}
  .hero-stats .stat-num{font-size:1.4rem}
  
  /* Section */
  .section{padding:40px 0}
  .section-title{font-size:1.4rem}
  
  /* Single product */
  .product-detail{grid-template-columns:1fr}
  .product-gallery-thumbs{justify-content:center}
  
  /* CTA */
  .cta-left{padding:28px}
  .cta-split{grid-template-columns:1fr}
  
  /* Map */
  .map-tab{font-size:.8rem;padding:10px 8px}
  
  /* Projects */
  .project-stats-banner{grid-template-columns:repeat(3,1fr);gap:12px}
}

@media(max-width:500px){
  .container{padding:0 16px}
  .section{padding:30px 0}
  .section-title{font-size:1.2rem;margin-bottom:20px}
  
/* Product Detail Page */
.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.product-specs-col h2,.product-features-col h2{font-size:1.4rem;color:#003399;margin-bottom:20px;padding-bottom:10px;border-bottom:3px solid #E31E24;display:inline-block}
.specs-table{width:100%;border-collapse:collapse;margin-bottom:24px}
.specs-table td{padding:10px 14px;border-bottom:1px solid #e0e0e0;font-size:.95rem}
.specs-table .spec-label{font-weight:600;color:#333;width:40%;background:#fafafa}
.specs-table .spec-value{color:#555}
.product-price-box{background:linear-gradient(135deg,#003399,#001A4D);color:#fff;padding:20px 24px;border-radius:10px;margin-top:16px}
.product-price-box .price-label{display:block;font-size:.85rem;opacity:.8;margin-bottom:4px}
.product-price-box .price-value{display:block;font-size:1.5rem;font-weight:800;color:#fff}
.product-price-box .price-note{font-size:.82rem;opacity:.7;margin-top:8px;line-height:1.5}
.features-list{list-style:none;padding:0}
.features-list li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid #f0f0f0;font-size:.95rem;color:#444}
.features-list li::before{content:'✓';position:absolute;left:0;color:#E31E24;font-weight:700}
.product-cta-box{background:#f8f8f8;border:1px solid #e0e0e0;border-radius:10px;padding:24px;margin-top:24px;text-align:center}
.product-cta-box p{font-weight:600;color:#003399;margin-bottom:12px}
.btn-zalo{background:#1A53FF;color:#fff;padding:12px 24px;border-radius:6px;font-weight:600;text-decoration:none;font-size:.95rem;transition:transform .2s}
.btn-zalo:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(26,83,255,.3)}
@media(max-width:768px){
  .product-detail-grid{grid-template-columns:1fr;gap:24px}
}

.section-sub{font-size:.85rem;margin:-20px 0 30px}
  
  .btn{padding:10px 18px;font-size:.9rem}
  .hero-buttons{flex-direction:column}
  .hero-buttons .btn{width:100%}
  
  /* Slider */
  .hero-slider{height:320px}
  .hero-slider .slide::before{background:linear-gradient(0deg,rgba(0,0,0,0.85) 0%,rgba(0,0,0,0.3) 100%)}
  .hero-slider .slide-content{text-align:center;margin:0 auto;padding:60px 16px 16px}
  .hero-slider .slide-content h1,.hero-slider .slide-content h2{font-size:1.1rem}
  .hero-slider .slide-content p{font-size:.8rem;margin-bottom:14px}
  .hero-slider .arrows{display:none}
  
  /* Grid full collapse */
  .products-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .project-stats-banner{grid-template-columns:1fr}
  
  /* Old header styles removed — new header uses Tailwind */
  
  /* Hero */
  .hero{min-height:300px;text-align:center}
  .hero-content{max-width:100%}
  .hero-stats{justify-content:center;gap:12px}
  .hero-stats .stat-num{font-size:1.2rem}
  .hero-stats .stat-label{font-size:.7rem}
  
  
/* Blog Grid */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px}
.blog-card{background:#fff;border:1px solid #E0E0E0;border-radius:12px;overflow:hidden;transition:all .3s;display:flex;flex-direction:column}
.blog-card:hover{border-color:#003399;box-shadow:0 6px 24px rgba(0,51,153,0.08);transform:translateY(-4px)}
.blog-card-img{display:block;overflow:hidden;height:200px}
.blog-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.blog-card:hover .blog-card-img img{transform:scale(1.05)}
.blog-card-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.blog-meta{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.blog-date{color:#999;font-size:.8rem}
.blog-card h3{font-size:1.05rem;margin:0 0 8px;line-height:1.4}
.blog-card h3 a{color:#1A1A1A;transition:color .2s}
.blog-card h3 a:hover{color:#003399}
.blog-card p{color:#666;font-size:.9rem;line-height:1.6;margin:0 0 14px;flex:1}
.blog-readmore{display:inline-flex;align-items:center;gap:4px;color:#003399;font-weight:600;font-size:.88rem;align-self:flex-start;transition:gap .2s}
.blog-readmore:hover{gap:8px}
@media(max-width:860px){.blog-grid{grid-template-columns:1fr;gap:20px}.blog-card-body{padding:16px 18px 18px}}
@media(max-width:500px){.blog-card-img{height:180px}}

/* Footer */
  .site-footer{padding:40px 0 20px}
  



.footer-bottom{font-size:.8rem}
  
  /* Back to top */
  #backToTop{bottom:16px;right:16px;padding:8px 12px;font-size:1rem}
  
  /* Map tabs */
  .map-tab{font-size:.7rem;padding:8px 4px}
  .map-tab{flex:1 1 45px}
  
  /* CTA */
  .cta-left{padding:20px}
  .cta-left h2{font-size:1.3rem}
  .cta-right{min-height:200px}
  
  /* Contact form */
  .contact-form .form-row{grid-template-columns:1fr}
  .contact-form{padding:16px}
.contact-success{background:#f0fff4;border:1px solid #c6f6d5;border-radius:8px;padding:24px;text-align:center}
.contact-success-icon{font-size:2.5rem;display:block;margin-bottom:8px}
.contact-success h3{color:#22543d;margin:0 0 12px;font-size:1.3rem}
.contact-success p{color:#276749;margin:0 0 8px;font-size:1rem}
.contact-error{background:#fff5f5;border:1px solid #fed7d7;border-radius:8px;padding:14px 18px;margin-bottom:16px;color:#c53030;font-weight:600}

  .contact-info-wrap{padding:20px}
  
  /* Blog */
  .blog-card-body{padding:14px}
  .blog-card h3{font-size:.95rem}
  
  /* Product card */
  .card-product img{height:160px}
  .card-product-body{padding:14px}
  
  /* Service card */
  .card-service{padding:20px}
  
  /* Pagination */
  .pagination a,
  .pagination span{padding:6px 10px;font-size:.8rem}
  
  /* Search */
  .search-result-item{flex-direction:column}
  .search-thumb{width:100%}
  .search-thumb img{height:140px}
}

  .hero-slider{height:260px}
  .hero-slider .slide-content{padding-top:40px}
  .hero-slider .slide-content h1,.hero-slider .slide-content h2{font-size:.95rem}
  .hero-slider .slide-content p{font-size:.75rem}
  .hero{min-height:250px}
  .hero h1{font-size:1.2rem}
  .hero-stats{gap:8px}
  .hero-stats .stat-num{font-size:1rem}
  .stat-num{font-size:1.5rem}
  .stat-label{font-size:.75rem}
  .btn{padding:8px 16px;font-size:.82rem}
  .card-product img{height:140px}
  .card-product h3{font-size:.9rem}
  .card-service h3{font-size:.92rem}
  .site-footer{font-size:.8rem}
}