* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}
.logo img {
    width: 90px;
    height: 90px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hotline Fixed */
.hotline-fixed {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: linear-gradient(135deg, #0369a1, #0284c7);
    border-radius: 50px;
    padding: 12px 20px;
    box-shadow: 0 4px 20px rgba(3, 105, 161, 0.3);
    animation: pulse 2s infinite;
    transition: all 0.3s ease;
}

.hotline-fixed:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(3, 105, 161, 0.5);
}

.hotline-fixed a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
}

.hotline-icon {
    font-size: 16px;
    animation: ring 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes ring {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(10deg); }
    20% { transform: rotate(-10deg); }
    30% { transform: rotate(10deg); }
    40% { transform: rotate(-10deg); }
    50% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

/* Header */
.header {
    background: linear-gradient(135deg, #1e40af, #0369a1);
    color: white;
    
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}



.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.phone-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
}

.phone-btn:hover {
    background: white;
    color: #0369a1;
    transform: translateY(-2px);
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 70vh;
    min-height: 500px;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    position: relative;
    overflow: hidden;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
   
    filter: brightness(0.7);
    transition: transform 0.3s ease;
}

.swiper-slide:hover img {
    transform: scale(1.05);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10;
}

.slide-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 24px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.cta-btn {
    background: linear-gradient(135deg, #0369a1, #0284c7);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(3, 105, 161, 0.3);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(3, 105, 161, 0.4);
}

.swiper-pagination-bullet {
    background: white;
    opacity: 0.7;
}

.swiper-pagination-bullet-active {
    background: #0369a1;
    opacity: 1;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #1e40af, #0369a1);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: #374151;
}

.about-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.about-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(3, 105, 161, 0.15);
}

.about-item i {
    font-size: 24px;
    color: #0369a1;
    margin-top: 5px;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

/* Benefits Section */
.benefits-section {
    padding: 80px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(3, 105, 161, 0.1), transparent);
    transition: left 0.5s;
}

.benefit-card:hover::before {
    left: 100%;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(3, 105, 161, 0.15);
    border-color: #0369a1;
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0369a1;
    transition: transform 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1) rotate(5deg);
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 15px;
}

.benefit-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Products Section */
.products-preview {
    padding: 80px 0;
    background: linear-gradient(135deg, #0369a1, #0284c7);
    color: white;
}

.products-preview .section-header h2,
.products-preview .section-header p {
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(3, 105, 161, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover img {
    transform: scale(1.05);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 10px;
}

.product-info p {
    color: #64748b;
}

.view-all {
    text-align: center;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #0369a1, #0284c7);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(3, 105, 161, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #0369a1;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: 2px solid #0369a1;
}

.btn-secondary:hover {
    background: #0369a1;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(3, 105, 161, 0.3);
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 60px;
    color: #0369a1;
    opacity: 0.3;
    font-family: serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.stars {
    color: #fbbf24;
    font-size: 20px;
    margin-bottom: 15px;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.7;
    color: #374151;
}

.customer strong {
    color: #1e40af;
    font-weight: 600;
}

.customer span {
    color: #64748b;
    font-size: 14px;
    display: block;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: white;
}

.contact-content {
   display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e2e8f0;
    transform: translateX(10px);
}

.contact-item .icon {
    font-size: 24px;
    color: #0369a1;
}

.contact-item strong {
    color: #1e40af;
}

.contact-item p {
    margin: 5px 0;
    color: #64748b;
}

.contact-item a {
    color: #0369a1;
    text-decoration: none;
    font-weight: 600;
}

.contact-form {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-family: inherit;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0369a1;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(3, 105, 161, 0.1);
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #3b82f6;
}

.footer-section p {
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #3b82f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #1e40af;
    transform: translateY(-3px) rotate(10deg);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

.contact-info p {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.contact-info p:hover {
    opacity: 1;
    transform: translateX(5px);
}

.contact-info i {
    margin-right: 10px;
    color: #3b82f6;
    width: 20px;
}

.contact-info a {
    color: #3b82f6;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: #3b82f6;
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    opacity: 0.8;
}

/* Map Container */
.map-container {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.map-container:hover {
    transform: scale(1.02);
}

/* Product Categories */
.product-categories {
    padding: 80px 0;
    background: white;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: 2px solid #0369a1;
    color: #0369a1;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: #0369a1;
    transition: left 0.3s ease;
    z-index: -1;
}

.tab-btn.active::before,
.tab-btn:hover::before {
    left: 0;
}

.tab-btn.active,
.tab-btn:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(3, 105, 161, 0.3);
}
.products-con{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

#products-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-item {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    position: relative;
}

.product-item:hover {
    transform: scale(1.1.25);
    box-shadow: 0 20px 50px rgba(3, 105, 161, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(3, 105, 161, 0.8), rgba(2, 132, 199, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    width: 45px;
    height: 45px;
    background: white;
    border: none;
    border-radius: 50%;
    color: #0369a1;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    transform: scale(1.1) rotate(10deg);
    background: #0369a1;
    color: white;
}

.product-details {
    padding: 25px;
}

.product-details h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 10px;
}

.product-details p {
    color: #64748b;
    margin-bottom: 15px;
    font-size: 14px;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 20px;
}

.product-features span {
    font-size: 13px;
    color: #059669;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.price {
    font-size: 20px;
    font-weight: 700;
    color: #dc2626;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-contact {
    background: #0369a1;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-contact:hover::before {
    left: 100%;
}
.btn-contact  a {
    color: #e2e8f0;
    text-decoration-line: none;
}
.btn-contact:hover {
    background: #0284c7;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(3, 105, 161, 0.3);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e40af, #0369a1);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: #0369a1;
}



/* ================= Khung Sản Phẩm ================= */
.khung-san-pham {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 40px 20px;
  }
  
  .san-pham {
    display: flex;
    align-items: center;
    gap: 40px;
    background-color: #f5f5f5;
    padding: 25px;
    border-radius: 15px;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
  }
  
  /* Hiệu ứng hover */
  .san-pham:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(3, 105, 161, 0.2);
  }
  
  .san-pham::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(59,130,246,0.15), transparent);
    transition: all 0.5s ease;
  }
  
  .san-pham:hover::before {
    left: 100%;
  }
  
  /* Ảnh sản phẩm */
  .anh-san-pham {
    width: 370px;
    height: 320px;
    border-radius: 12px;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  
  .san-pham:hover .anh-san-pham {
    transform: scale(1.05) rotate(1deg);
  }
  
  /* Thông tin sản phẩm */
  .thong-tin-san-pham h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #1e40af;
    transition: color 0.3s ease;
  }
  
  .san-pham:hover .thong-tin-san-pham h2 {
    color: #0369a1;
  }
  
  .thong-tin-san-pham li {
    font-size: 20px;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
  }
  
  .thong-tin-san-pham li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
  }
  
  /* ================= Responsive ================= */
  @media (max-width: 992px) {
    .san-pham {
      flex-direction: column;
      text-align: center;
      gap: 25px;
    }
    .swiper-slide img {
        object-fit: contain; /* giữ tỉ lệ, không méo */
    }
  
    .anh-san-pham {
      width: 100%;
      height: auto;
      max-height: 280px;
    }
  
    .thong-tin-san-pham h2 {
      font-size: 28px;
    }
  
    .thong-tin-san-pham li {
      font-size: 16px;
    }
  }
  
  @media (max-width: 600px) {
    .san-pham {
      padding: 20px;
      border-radius: 10px;
    }
  
    .thong-tin-san-pham h2 {
      font-size: 22px;
    }
  
    .thong-tin-san-pham li {
      font-size: 14px;
    }
    .swiper-slide img {
        object-fit: contain; /* giữ tỉ lệ, không méo */
    }
  }
  

/* Responsive cho khung sản phẩm */
@media (max-width: 768px) {
    .san-pham {
        grid-template-columns: 1fr;
    }
    .swiper-slide img {
        object-fit: contain; /* giữ tỉ lệ, không méo */
    }
    
    .anh-san-pham {
        height: 250px;
    }
    
    .thong-tin-san-pham {
        padding: 30px 20px;
    }
    
    .thong-tin-san-pham h2 {
        font-size: 22px;
    }
    
    .thong-tin-san-pham li {
        font-size: 14px;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .products-con{
        grid-template-columns: repeat(3, 1fr);
    }
    #products-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .products-con{
        grid-template-columns: repeat(2, 1fr);
    }
    #products-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .nav {
        order: 3;
        gap: 20px;
    }
    
    .slide-content h2 {
        font-size: 32px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    .products-con{
        grid-template-columns: 1fr;
    }
    
    #products-container {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
       
       display: block;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .category-tabs {
        gap: 10px;
    }
    
    .tab-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hotline-fixed {
        top: 15px;
        right: 15px;
        padding: 10px 15px;
    }
    
    .hotline-fixed a {
        font-size: 12px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }

    .page-header h1 {
        font-size: 32px;
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .slide-content h2 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 14px;
    }
    
    .cta-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
}

/* Animation for smooth loading */
.hero-slider,
.about-section,
.benefits-section,
.products-preview,
.testimonials-section,
.contact-section,
.product-categories,
.cta-section {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.about-section { animation-delay: 0.2s; }
.benefits-section { animation-delay: 0.4s; }
.products-preview { animation-delay: 0.6s; }
.testimonials-section { animation-delay: 0.8s; }
.contact-section { animation-delay: 1s; }
.product-categories { animation-delay: 0.2s; }
.cta-section { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ================= Feedback Page ================= */
.stats-section {
    padding: 60px 0;
    background: white;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.stat-item {
    background: #f8fafc;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 10px;
}

.stat-label {
    color: #64748b;
    font-size: 16px;
}

/* Reviews */
.reviews-section {
    padding: 80px 0;
    background: #f9fafb;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.review-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.customer-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.customer-info img {
    border-radius: 50%;
    width: 60px;
    height: 60px;
    object-fit: cover;
}

.stars {
    color: #fbbf24;
    font-size: 18px;
}

.review-date {
    font-size: 14px;
    color: #64748b;
    margin-top: 10px;
}

/* Review Form */
.review-form-section {
    padding: 80px 0;
    background: white;
    text-align: center;
}

.review-form {
    max-width: 700px;
    margin: 0 auto;
    background: #f8fafc;
    padding: 40px;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
}

.rating {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 15px 0;
}

.rating .star {
    font-size: 28px;
    cursor: pointer;
    color: #d1d5db;
    transition: color 0.3s ease;
}

.rating .star.active {
    color: #fbbf24;
}


.qr-main-section {
    padding: 60px 20px;
    background: #f9f9f9;
    text-align: center;
  }
  
  .qr-container {
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    border-radius: 15px;
    padding: 30px 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  }
  
  .qr-header .qr-icon {
    font-size: 40px;
    color: #0077ff;
    margin-bottom: 10px;
  }
  
  .qr-header h2 {
    font-size: 24px;
    margin-bottom: 10px;
  }
  
  .qr-header p {
    color: #666;
    font-size: 16px;
  }
  
  .qr-code-wrapper {
    margin: 25px 0;
  }
  
  .qr-code-frame {
    display: inline-block;
    padding: 15px;
    border: 2px dashed #0077ff;
    border-radius: 12px;
    background: #fff;
  }
  
  .qr-code-frame img {
    max-width: 220px;
    width: 100%;
    height: auto;
  }
  
  .qr-actions {
    margin-top: 20px;
  }
  
  .zalo-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #0077ff;
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.3s;
  }
  
  .zalo-button:hover {
    background: #005fc9;
  }
  
  .zalo-phone {
    margin-left: 5px;
    font-weight: bold;
  }
  
  .qr-note {
    margin-top: 10px;
    font-size: 14px;
    color: #555;
  }
  
  /* Responsive */
  @media (max-width: 600px) {
    .qr-container {
      padding: 20px 15px;
    }
    .qr-header h2 {
      font-size: 20px;
    }
    .qr-code-frame img {
      max-width: 180px;
    }
    .zalo-button {
      font-size: 14px;
      padding: 10px 16px;
    }
  }
  .company-capacity {
    display: grid;
    grid-template-columns: 1fr 400px; /* cột text rộng hơn, PDF cột cố định */
    align-items: center;
    gap: 60px;
    max-width: 1400px;
    margin: 80px auto;
    padding: 60px;
    background-color: #e5ebf1;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  }
  
  .capacity-text h2 {
    font-size: 36px;
    color: #1e40af;
    margin-bottom: 25px;
  }
  
  .capacity-text p {
    font-size: 18px;
    line-height: 1.9;
    color: #374151;
    margin-bottom: 18px;
  }
  
  .pdf-frame {
    border: 3px solid #0369a1;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
  }
  
  
  
  /* Responsive */
  @media (max-width: 900px) {
    .company-capacity {
      grid-template-columns: 1fr;
      text-align: center;
      padding: 40px 20px;
    }
  
    .capacity-pdf {
      margin-top: 30px;
    }
  }
  /* Responsive bổ sung cho company-capacity */
@media (max-width: 600px) {
    .company-capacity {
      padding: 20px 15px;
      gap: 30px;
    }
  
    .capacity-text h2 {
      font-size: 24px;
    }
  
    .capacity-text p {
      font-size: 16px;
      line-height: 1.7;
    }
  
    .pdf-frame {
      width: 100% !important;
      height: auto;
      min-height: 400px; /* đảm bảo vẫn hiển thị đủ nội dung */
    }
  }