:root {
    --primary-color: #009688;
    --text-color: #000;
    --gray-light: #f5f5f5;
    --border-color: #e5e5e5;
    --title-gray: #888;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    overflow-x: hidden;
}

header {
    height: 100px;
    display: flex;
    align-items: flex-end; 
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    background: #fff;
    position: relative;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 50px;
    position: static; /
}

.left-menu, .right-menu {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 5px;
    white-space: nowrap;
}


.logo img {
  height: 50px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.05);
}



.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #eee;
  padding: 40px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.05);
  visibility: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease;
  z-index: 9999;
}

.has-mega:hover .mega-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.mega-container {
  display: flex;
  gap: 40px;
}


.mega-sidebar {
  width: 200px;
}
.mega-sidebar h3 { font-size: 14px; color: #888; margin-bottom: 15px; }
.mega-sidebar ul { list-style: none; padding: 0; }
.mega-sidebar li { margin: 10px 0; }
.mega-sidebar a { text-decoration: none; color: #333; font-size: 14px; }
.mega-sidebar a:hover { color: var(--primary-color); }


.mega-products {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  flex: 1;
}
.mega-product-card { text-align: center; }
.mega-product-card img {
  width: 50%;      
  max-width: 200px;
  margin: 0 auto;   
  border-radius: 6px;
}

.mega-product-card p { font-size: 14px; font-weight: 500; color: #333; }


.mega-products.vali {
  grid-template-columns: repeat(2, 1fr);
}



.icons {
    display: flex;
    gap: 15px;
    font-size: 18px;
}

.container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 50px;
}

.reward-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    z-index: 100;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.product-card {
  border: 1px solid #ddd;
  padding: 15px;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  background: #fff;
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.product-card img {
  width: 100%;
  height: auto;
  margin-bottom: 10px;
}

.product-name {
  font-size: 18px;
  font-weight: 600;
  margin: 10px 0;
}

.product-price {
  font-size: 16px;
  color: #333;
}

.quick-add {
  background: #333;
  color: #fff;
  border: none;
  padding: 10px 15px;
  margin-top: 10px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.quick-add:hover {
  background: #555;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.video-card {
  text-align: center;
  font-family: 'Montserrat', sans-serif;
}

.video-card video {
  width: 80%;         
  max-width: 300px;    
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  margin: 0 auto;  
}


.video-card p {
  margin-top: 10px;
  font-size: 14px;
  color: #555;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); 
  gap: 20px;
  margin: 40px 0;
}

.category-card {
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card img {
  width: 100%;
  height: auto;
  display: block;
}

.category-card h3 {
  margin: 15px 0;
  font-size: 18px;
  font-weight: 600;
  color: #333;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}


.newsletter {
  text-align: center;
  padding: 40px 20px;
  background: #f5f5f5;
}

.subscribe-form {
  margin-top: 15px;
}

.subscribe-form input {
  padding: 10px;
  width: 250px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.subscribe-form button {
  padding: 10px 20px;
  margin-left: 10px;
  background: #464646;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.footer {
  background: #373737;
  color: #fff;
  padding: 40px 20px;
  font-family: 'Montserrat', sans-serif;
}

.footer-columns {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-col {
  flex: 1;
  min-width: 200px;
  margin: 20px;
}

.footer-col h3 {
  margin-bottom: 15px;
  font-size: 16px;
  font-weight: 600;
}

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

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: #ccc;
  text-decoration: none;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.social-icons i {
  margin: 0 8px;
  font-size: 18px;
  cursor: pointer;
}

.reward-btn {
  background: green;
  color: #fff;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
}


.hero-banner {
  text-align: center;
  padding: 120px 20px; 
  background: #fff; 
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 25px;
  color: #333;
}

.hero-text p {
  font-size: 20px;
  color: #555;
  max-width: 850px;
  margin: 0 auto;
  line-height: 1.6;
}


.banner {
  position: relative;
  background: url('/image/PC-Blast.webp') no-repeat center center/cover;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}

.banner-content {
  max-width: 600px;
  padding: 20px;
}

.banner h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
}

.banner p {
  font-size: 20px;
  margin-bottom: 30px;
}

.banner-btn {
  display: inline-block;
  padding: 12px 30px;
  background: #008080;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.banner-btn:hover {
  background: #006666;
}


.discover {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  padding: 60px;
}

.discover-item {
  position: relative;
  overflow: hidden;
}

.discover-item img {
  width: 100%;
  border-radius: 8px;
  display: block;
}

.discover-text {
  position: absolute;
  bottom: 20px; 
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  text-shadow: 0 2px 6px rgba(0,0,0,0.6);
  pointer-events: none; 
}

.discover-item a {
  display: block;
  text-decoration: none;
}

.banner-lon img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 40px;
}


.backpack-section {
  padding: 20px 0; 
}

.backpack-header h2 {
  font-size: 28px;
  margin-bottom: 20px;
  font-weight: 700;
  color: #333;
}

.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #eee;
  padding: 10px 0;
}

.filter-bar ul {
  list-style: none;
  display: flex;
  gap: 25px;
  margin: 0;
  padding: 0;
}

.filter-bar li {
  cursor: pointer;
  font-size: 16px;
  color: #666;
  transition: all 0.3s ease;
  position: relative;
}

.filter-bar li.active {
  color: teal;
  font-weight: 600;
}

.filter-bar li.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: teal;
  border-radius: 2px;
}

.filter-bar li:hover {
  color: #333;
}

.filter-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid teal;
  background: teal;
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.filter-btn:hover {
  background: #006666;
}


.backpack-content {
  display: flex;
  gap: 40px;
}

.backpack-image img {
  max-width: 300px;
  border-radius: 8px;
}


.product-detail {
  display: flex;
  gap: 40px;
  padding: 40px;
}

.product-image img {
  max-width: 400px;
  border-radius: 8px;
}

.product-info {
  flex: 1;
}

.product-info h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.product-price {
  font-size: 22px;
  color: teal;
  margin-bottom: 20px;
}

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

.option-group label {
  font-weight: 600;
  margin-right: 10px;
}

.option-group button {
  margin-right: 10px;
  padding: 6px 12px;
  border: 1px solid #ccc;
  background: #fff;
  cursor: pointer;
  border-radius: 4px;
}

.option-group button.active {
  background: teal;
  color: #fff;
}

.color-swatches {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #ccc;
  cursor: pointer;
}

.swatch.oyster { background: #e0d5c6; }
.swatch.moss { background: #556b2f; }
.swatch.beige { background: beige; }
.swatch.blue { background: lightblue; }
.swatch.black { background: black; }
.swatch.olive { background: olive; }
.swatch.navy { background: navy; }
.swatch.brown { background: brown; }
.swatch.white { background: white; }
.swatch.red { background: red; }

.swatch.active {
  border: 2px solid teal;
}

.quantity input {
  width: 40px;
  text-align: center;
}

.add-to-bag {
  padding: 12px 20px;
  background: teal;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}


.icon {
  font-size: 36px;
  margin-bottom: 15px;
  color: teal;
}

.benefit-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #222;
}

.benefit-card p {
  font-size: 14px;
  color: #555;
}



.gallery {
  padding: 20px 0; 
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); 
  gap: 15px;
}

.gallery-item img {
  width: 100%;
  height: 440px;       
  object-fit: cover;   
  border-radius: 0;  
  box-shadow: none;    
  transition: transform 0.3s ease;
}


.carryon-section {
  display: flex;
  gap: 40px;
  padding: 40px;
  align-items: flex-start;
}

.carryon-text {
  flex: 1;
}

.carryon-text h2 {
  font-size: 26px;
  margin-bottom: 10px;
  color: teal;
}

.carryon-text h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: #333;
}

.carryon-text p {
  margin-bottom: 20px;
  color: #555;
}

.carryon-features {
  list-style: none;
  padding: 0;
}

.carryon-features li {
  margin-bottom: 10px;
  font-size: 15px;
  color: #444;
  position: relative;
  padding-left: 20px;
}

.carryon-features li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: teal;
}

.carryon-image {
  flex: 1;
  text-align: center;
}

.carryon-image img {
  max-width: 800px;   
  width: 100%;        
  height: auto;      
  margin: 0 10px 20px;
}


.carryon-dimensions p {
  font-size: 14px;
  color: #555;
}


.suitcase-details {
  display: flex;
  gap: 40px;
  padding: 40px;
  align-items: flex-start;
}

.suitcase-text {
  flex: 1;
}

.suitcase-text h2 {
  font-size: 26px;
  margin-bottom: 20px;
  color: teal;
}

.suitcase-features {
  list-style: none;
  padding: 0;
}

.suitcase-features li {
  margin-bottom: 15px;
  font-size: 15px;
  color: #444;
  position: relative;
  padding-left: 20px;
}

.suitcase-features li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: teal;
}

.suitcase-image {
  flex: 1;
  text-align: center;
}

.suitcase-image img {
  width: 100%;
  max-width: 800px;

}


.product-page {
  display: flex;
  gap: 40px;
  font-family: 'Montserrat', sans-serif;
  margin: 40px;
}

.product-gallery img {
  max-width: 420px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

.product-info h1 {
  font-size: 28px;
  margin-bottom: 10px;
  color: #333;
}

.color-label {
  font-weight: 600;
  margin-bottom: 10px;
}

.color-options {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
  border: 2px solid #ccc;
  transition: transform 0.2s ease;
}

.color-swatch.green { background: green; }
.color-swatch.purple { background: purple; }
.color-swatch.gray { background: gray; }

.color-swatch:hover {
  transform: scale(1.1);
  border-color: #333;
}

.accordion-item {
  border-top: 1px solid #ddd;
}

.accordion-header {
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 0;
  cursor: pointer;
  text-align: left;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header .arrow {
  transition: transform 0.3s ease;
}

.accordion-header.active .arrow {
  transform: rotate(180deg); 
}

.accordion-body {
  display: none;
  padding: 10px 0;
  font-size: 14px;
  color: #555;
}


.buy-button {
  margin-top: 20px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #2782ac, #207294);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.buy-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}


.quantity {
  display: flex;
  align-items: center;
  margin: 20px 0;
}


.quantity input {
  width: 40px;
  text-align: center;
  border: 1px solid #ccc;
  margin: 0 5px;
}

.color-swatch.beige { background: beige; }
.color-swatch.black { background: #333; }


.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding: 40px;
}

.lab-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lab-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.lab-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #333;
}

.lab-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 15px 0;
}

.lab-card ul li {
  margin: 6px 0;
}

.lab-card ul li a {
  text-decoration: none;
  color: #555;
  font-size: 14px;
  transition: color 0.2s ease;
}

.lab-card ul li a:hover {
  color: #333;
  font-weight: 600;
}


.hero-banner {
  width: 100%;
  overflow: hidden;
}

.hero-banner img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0; 
}


.promo-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 40px;
  background: #f9f9f9;
}

.promo-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-align: center;
}

.promo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.promo-card img {
  width: 100%;
  height: auto;
  display: block;
}

.promo-card h3 {
  font-size: 18px;
  margin: 16px 0 8px;
  color: #333;
}

.promo-card p {
  font-size: 14px;
  color: #555;
  padding: 0 16px 20px;
}