/* ====== SLIDER ====== */
.banner-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 1900 / 550; /* Giữ đúng tỉ lệ ảnh bạn gửi */
  }
  
  .banner-slider .slides {
    display: flex;
    transition: transform 1s ease-in-out;
  }
  
  .banner-slider .slide {
    min-width: 100%;
    transition: opacity 1s ease-in-out;
  }
  
  .banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  /* Responsive cho điện thoại */
  @media (max-width: 768px) {
    .banner-slider {
      aspect-ratio: 16 / 9; /* Cho điện thoại giữ tỉ lệ tốt hơn */
    }
  }
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
  }

  .gallery-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: center;
  }

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

  .gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
  }

  .gallery-item p {
    padding: 12px 15px;
    color: #004c8c;
    font-size: 15px;
    font-weight: 600;
    background: #f8f9fa;
    border-top: 2px solid #008000;
  }

  @media(max-width: 768px) {
    .gallery-item img {
      height: 180px;
    }
  }
  .call-top {
    position: fixed;
    top: 100px; /* vị trí cách đầu trang */
    right: 10px; /* sát lề phải */
    background: linear-gradient(135deg, #00b050 0%, #008000 100%);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,128,0,0.3);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.4s ease;
    z-index: 9999;
  }
  
  .call-top i {
    font-size: 18px;
  }
  
  .call-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .call-top:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0,128,0,0.4);
    background: linear-gradient(135deg, #008000 0%, #00b050 100%);
  }


  .featured-products {
    padding: 60px 10%;
  }
  
  .product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
  }
  
  .product-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    color: inherit;
  }
  
  .product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  }
  
  .product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }
  
  .product-item h3 {
    font-size: 17px;
    color: #004c8c;
    margin: 15px 10px 5px;
  }
  
  .product-item p {
    font-size: 15px;
    color: #333;
    padding-bottom: 15px;
  }
  
  .product-item strong {
    color: #008000;
  }
  
  /* Trên điện thoại: hiển thị 2 sản phẩm mỗi hàng */
  @media(max-width: 768px) {
    .product-grid {
      grid-template-columns: repeat(1, 1fr);
      gap: 15px;
    }
    .product-item img {
      height: 160px;
    }
  }
  header {
    background: linear-gradient(135deg, #004c8c 0%, #006bb3 100%);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  }

  header .logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
  }

  header .logo-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
  }

  header .logo-circle span {
    font-size: 32px;
    color: #004c8c;
    font-weight: 800;
  }

  header h1 {
    font-size: 24px;
    margin: 0;
    font-weight: 700;
  }

  header .company-info {
    font-size: 13px;
    opacity: 0.95;
    margin-top: 3px;
  }

  header .contact-info a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    transition: color 0.3s;
  }

  header .contact-info a:hover {
    color: #ffd700;
  }

  nav {
    background: #fff;
    border-bottom: 3px solid #004c8c;
    display: flex;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  nav a {
    padding: 16px 28px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
  }

  nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: #008000;
    transition: all 0.3s ease;
    transform: translateX(-50%);
  }

  nav a:hover {
    background: #004c8c;
    color: #fff;
  }

  nav a:hover::after {
    width: 80%;
  }
  footer {
    background: #1a1a1a;
    color: #aaa;
    padding: 50px 10% 20px;
  }

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

  .footer-section h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 20px;
  }

  .footer-section p,
  .footer-section li {
    color: #aaa;
    line-height: 1.8;
    font-size: 15px;
  }

  .footer-section ul {
    list-style: none;
    padding: 0;
  }

  .footer-section ul li {
    padding: 8px 0;
    transition: all 0.3s ease;
  }

  .footer-section ul li:hover {
    padding-left: 10px;
    color: #00b050;
  }

  .footer-section a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
  }

  .footer-section a:hover {
    color: #00b050;
  }

  .footer-contact-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }

  .footer-contact-info i {
    color: #00b050;
    font-size: 18px;
    width: 25px;
  }

  .footer-bottom {
    border-top: 1px solid #333;
    padding-top: 25px;
    text-align: center;
    font-size: 14px;
  }

  .footer-bottom a {
    color: #00b050;
    text-decoration: none;
  }
  @media(max-width: 768px) {
    header {
      flex-direction: column;
      text-align: center;
      gap: 15px;
    }

    header h1 {
      font-size: 20px;
    }

    nav {
      flex-wrap: wrap;
    }

    nav a {
      padding: 12px 18px;
      font-size: 14px;
    }
  }
  .contact-float {
    position: fixed;
    right: 20px;
    bottom: 50px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
  }

  .contact-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    font-size: 26px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
  }

  .contact-float a:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  }

  .facebook1 { background: #1877f2; }
  .facebook2 { background: #3b5998; }
  .zalo { background: #0068ff; font-size: 18px; font-weight: 700; }
  .phone { background: #25d366; }

  .search-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 10% 40px;
    text-align: center;
  }

  .search-section h1 {
    font-size: 36px;
    color: #004c8c;
    margin-bottom: 20px;
  }

  .search-box {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
  }

  .search-box input {
    width: 100%;
    padding: 18px 60px 18px 25px;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: 50px;
    outline: none;
    transition: all 0.3s ease;
  }

  .search-box input:focus {
    border-color: #008000;
    box-shadow: 0 0 15px rgba(0, 128, 0, 0.2);
  }

  .search-box button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #008000 0%, #00b050 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
  }

  .search-box button:hover {
    background: linear-gradient(135deg, #006600 0%, #008000 100%);
    transform: translateY(-50%) scale(1.05);
  }

  .results-section {
    padding: 40px 10%;
    min-height: 400px;
  }

  .results-header {
    margin-bottom: 30px;
    color: #333;
  }

  .results-header h2 {
    font-size: 24px;
    color: #004c8c;
    margin-bottom: 10px;
  }

  .results-count {
    color: #666;
    font-size: 16px;
  }

  .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
  }

  .product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
  }

  .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  }

  .product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

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

  .product-info {
    padding: 20px;
  }

  .product-title {
    font-size: 18px;
    font-weight: 700;
    color: #004c8c;
    margin-bottom: 10px;
    line-height: 1.4;
  }

  .product-description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
  }

  .product-price {
    display: inline-block;
    background: #00b050;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
  }

  .no-results {
    text-align: center;
    padding: 60px 20px;
  }

  .no-results i {
    font-size: 80px;
    color: #ddd;
    margin-bottom: 20px;
  }

  .no-results h3 {
    font-size: 24px;
    color: #666;
    margin-bottom: 10px;
  }

  .no-results p {
    color: #999;
    font-size: 16px;
  }

  .popular-keywords {
    margin-top: 25px;
  }

  .popular-keywords h4 {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
  }

  .keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }

  .keyword-tag {
    background: #f0f0f0;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
  }

  .keyword-tag:hover {
    background: #008000;
    color: white;
    border-color: #008000;
  }

  @media(max-width: 1024px) {
    .products-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media(max-width: 768px) {
    .search-section {
      padding: 40px 5% 30px;
    }

    .search-section h1 {
      font-size: 28px;
    }

   

    .results-section {
      padding: 30px 5%;
    }

    .products-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 15px;
    }

    .product-image {
      height: 180px;
    }

    .product-info {
      padding: 15px;
    }

    .product-title {
      font-size: 16px;
    }

    .product-description {
      font-size: 13px;
    }
  }

  @media(max-width: 480px) {
    .products-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .product-image {
      height: 150px;
    }

    .product-title {
      font-size: 14px;
    }

    .product-description {
      font-size: 12px;
      margin-bottom: 10px;
    }

    .product-price {
      font-size: 12px;
      padding: 6px 12px;
    }

  }
  @media (max-width: 480px) {
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box input {
  flex: 1;
  width: auto;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
}

.search-box button {
  position: static;
  transform: none;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
}
}
.header-seach {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #333;
  border: 2px solid #008000;
  border-radius: 25px;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 3px 8px rgba(0,128,0,0.2);
  transition: all 0.3s ease;
  cursor: pointer;
}

.header-seach i {
  color: #008000;
  margin-right: 8px;
  font-size: 18px;
}

.header-seach:hover {
  background: linear-gradient(135deg, #008000 0%, #00b050 100%);
  color: #fff;
  box-shadow: 0 6px 15px rgba(0,128,0,0.3);
  transform: translateY(-2px);
}

.header-seach:hover i {
  color: #fff;
}


.about-section {
    background: linear-gradient(135deg, #f9fbff 0%, #eef7ff 100%);
    padding: 70px 10%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    max-width: 1200px;
  }
  
  .about-text {
    flex: 1.2;
    min-width: 320px;
  }
  
  .about-text h2 {
    font-size: 36px;
    color: #004c8c;
    margin-bottom: 20px;
    position: relative;
  }
  
  .about-text h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 90px;
    height: 4px;
    background: #00b050;
    border-radius: 2px;
  }
  
  .about-text p {
    font-size: 17px;
    color: #444;
    margin-bottom: 18px;
    text-align: justify;
    line-height: 1.8;
  }
  
  .about-text strong {
    color: #008000;
  }
  
  .about-btn {
    display: inline-block;
    background: linear-gradient(135deg, #00b050 0%, #008000 100%);
    color: #fff;
    padding: 14px 35px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
  }
  
  .about-btn:hover {
    background: linear-gradient(135deg, #007a00 0%, #009900 100%);
    transform: translateY(-3px);
  }
  
  .about-image {
    flex: 1;
    text-align: center;
  }
  
  .about-image img {
    width: 100%;
    max-width: 550px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
  }
  
  .about-image img:hover {
    transform: scale(1.05);
  }
  
  @media(max-width: 768px) {
    .about-content {
      flex-direction: column;
      text-align: center;
    }
    .about-text h2 {
      font-size: 28px;
    }
    .about-image img {
      max-width: 100%;
    }
  }
  /* ===== Nút gọi có số bên trái, icon rung bên phải ===== */
.hotline-ring {
  position: fixed;
  bottom: 280px;
  right: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #e40c30;
  color: white;
  text-decoration: none;
  padding: 12px 18px 12px 22px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}

.hotline-ring:hover {
  background: #b81e6b;
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

.hotline-ring .hotline-text {
  white-space: nowrap;
}

.hotline-ring .hotline-icon {
  position: relative;
  width: 50px;
  height: 50px;
  background: #fff;
  border-radius: 50%;
  color: #d3253c;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 0 rgba(37,211,102,0.4);
  animation: shake 1.8s infinite linear;
}

/* Vòng tròn lan tỏa */
.hotline-ring .hotline-icon .circle,
.hotline-ring .hotline-icon .circle-fill {
  position: absolute;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hotline-ring .hotline-icon .circle {
  width: 70px;
  height: 70px;
  background: rgba(37,211,102,0.3);
  animation: pulse-ring 1.6s infinite;
  z-index: 0;
}

.hotline-ring .hotline-icon .circle-fill {
  width: 55px;
  height: 55px;
  background: rgba(37,211,102,0.5);
  animation: pulse-fill 1.6s infinite;
  z-index: 1;
}

/* Hiệu ứng animation */
@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.8; }
  70% { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
  100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
}

@keyframes pulse-fill {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.7; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  10%, 30%, 50%, 70%, 90% { transform: rotate(15deg); }
  20%, 40%, 60%, 80% { transform: rotate(-15deg); }
}

/* Responsive cho điện thoại */
@media (max-width: 768px) {
  .hotline-ring {
    bottom: 60px;
    right: 15px;
    padding: 10px 15px;
    font-size: 16px;
  }

  .hotline-ring .hotline-icon {
    width: 45px;
    height: 45px;
    font-size: 20px;
  }

  .hotline-ring .hotline-icon .circle {
    width: 60px;
    height: 60px;
  }
}


.video-section {
  text-align: center;
  padding: 30px 10px;
}

.video-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #333;
}

.video-container, .more-videos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.video-item {
  width: 30%;
  min-width: 280px;
}

.video-item video {
  width: 100%;
  height: 350px; /* ✅ Chiều cao video */
  object-fit: cover; /* Giữ tỷ lệ video và cắt phần dư */
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

#showMoreBtn {
  font-size: 20px;
  margin-top: 40px;
  padding: 25px 35px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}

#showMoreBtn:hover {
  background-color: #0056b3;
}

@media (max-width: 768px) {
  .video-item {
    width: 90%;
  }
  .video-item video {
    height: 250px; /* Giảm chiều cao trên điện thoại */
  }
}