/* ===== GLOBAL VARIABLES ===== */
:root {
  --primary-gradient: radial-gradient(
    circle farthest-corner at center,
    #e4f9ff 0%,
    #e4f9ff 23%,
    #f7f4fb 74%,
    #a9ecff 100%
  );

  /* Brand Colors */
  --primary-cyan: #7cd8f2;
  --primary-active: #00607c;
  --primary-neutral: #a8ced9;
  --primary-dark: #020202;

  /* Neutral Colors */
  --white: #ffffff;
  --off-white: #f8f9fa;
  --gray-light: #e9ecef;
  --gray-medium: #6c757d;
  --gray-dark: #363636cc;
  --black: #000000;

  /* Spacing */
  --spacing-xxs: 0.1rem;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-xxl: 4.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/*BEM Spacing */

.padding-bottom-10px {
  padding-bottom: 1rem;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-dark);

  min-height: 100vh;
}

h3 {
  font-size: 15px;
  color: #ffffff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== HEADER SECTION ===== */
.promotion {
  display: flex;
  justify-content: center;
  padding: 1rem;
  background: var(--primary-cyan);
}

.page-header {
  background: var(--white);
  margin-bottom: var(--spacing-2xl);
}

.nav-container {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto;
  justify-content: center;
  align-items: center;
  padding: 1.6rem 6.4rem;
  background: white;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 2.4rem;
  cursor: pointer;
  color: var(--gray-dark);
  padding: 0.5rem;
  transition: color var(--transition-fast);
}

.hamburger-btn:hover {
  color: var(--primary-cyan);
}

.logo {
  margin-right: 4rem;
}

.logo h1 {
  font-family: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, sans-serif;
  font-weight: 200;
  font-size: 4rem;
  padding-bottom: 0.5rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 1.6rem;
  gap: 3rem;
}

.nav-links .link a {
  padding: 0.5rem;
  background: white;
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  transition: all var(--transition-base);
  margin: 0;
  cursor: pointer;
}

.nav-links a:hover {
  background: var(--primary-cyan);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.header-container {
  background: var(--primary-gradient);
  width: 100%;
}

.header-content {
  display: flex;
  align-items: center;
  max-width: 1440px;
  justify-content: space-between;
  margin: 0 auto;
  padding: 4rem;
  gap: 2rem;
  flex-wrap: wrap;
}
.left-side {
  flex: 1 1 300px;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.addition-container {
  padding-left: 1rem;
}

.main-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.rating {
  color: var(--black);
  font-size: 1.5rem;
}

.page-title {
  font-size: 3.6rem;
  font-weight: 900;
  font-style: italic;
  color: var(--black);
  margin-bottom: var(--spacing-md);
}

.page-subtitle {
  font-size: 1.8rem;
  color: var(--gray-dark);
  font-weight: 600;
}

.page-addition {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--black);
}

/* ===== TAB NAVIGATION ===== */
.tab-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

/* Cart Button */
.cart-button {
  margin-left: auto;
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  color: var(--white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-base);
  position: relative;
  font-weight: var(--font-weight-semibold);
}

.cart-button:hover {
  background: var(--primary-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cart-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.cart-count {
  position: absolute;
  top: 0px;
  right: 2px;
  background: var(--primary-cyan);
  color: var(--black);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-md);
  animation: bounceIn var(--transition-base);
  border: 2px solid var(--white);
}

.cart-count.hidden {
  display: none;
}

/* Mobile Sidebar Navigation */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-sidebar {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100%;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: left var(--transition-base);
  overflow-y: auto;
}

.mobile-nav-sidebar.active {
  left: 0;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--gray-light);
}

.mobile-nav-logo {
  font-family: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, sans-serif;
  font-weight: 200;
  font-size: 3rem;
  color: var(--gray-dark);
}

.mobile-nav-close {
  background: none;
  border: none;
  font-size: 2.4rem;
  cursor: pointer;
  color: var(--gray-dark);
  padding: 0.5rem;
  transition: color var(--transition-fast);
}

.mobile-nav-close:hover {
  color: var(--primary-cyan);
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav-list li {
  border-bottom: 1px solid var(--gray-light);
}

.mobile-nav-list a {
  display: block;
  padding: 1.5rem 2rem;
  text-decoration: none;
  color: var(--gray-dark);
  font-size: 1.6rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.mobile-nav-list a:hover {
  background: var(--off-white);
  color: var(--primary-cyan);
  padding-left: 2.5rem;
}

@keyframes bounceIn {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.tab-btn {
  width: 226px;
  height: 52px;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--primary-neutral);
  color: var(--white);
  font-size: 1.6rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
}

.tab-btn:hover {
  background: var(--primary-cyan);
  color: var(--white);
  transform: translateY(-2px);
}

.tab-btn.active {
  background: var(--primary-active);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

/* ===== PRODUCTS GRID ===== */
.products-section {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

/* ===== PRODUCT CARD ===== */
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* Product Image Container */
.product-image-container {
  position: relative;
  width: 100%;
  height: 304px;
  overflow: hidden;
  background: var(--white);
}

.product-image {
  width: 100%;
  height: 100%;
  /*   object-fit: cover; */
  transition: transform var(--transition-slow);
}

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

/* Discount Badge */
.discount-badge {
  position: absolute;
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  align-items: center;
  top: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--white);
  color: var(--black);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

/* Bundle Badge */
.bundle-badge {
  position: absolute;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--black);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-md);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 1;
}

.bundle-badge.limited {
  background: #042324;
}

.bundle-badge.option {
  background-color: white;
  text-transform: uppercase;
  color: #000000;
}

.bundle-tastes {
  position: absolute;
  bottom: var(--spacing-md);
  justify-content: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 var(--spacing-xs);
  z-index: 1;
}

.bundle-taste {
  display: inline-flex;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  background: var(--white);
  color: var(--black);
  padding: var(--spacing-xxs) var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
}

.bundle-tastes--special {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: var(--spacing-md);
  width: calc(100% - 2 * var(--spacing-md));
  padding: 0 var(--spacing-xs);
  box-sizing: border-box;
  z-index: 1;
}

.bundle-taste--special {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  font-size: 1.3rem;
  background: var(--white);
  color: var(--black);
  padding: var(--spacing-xs) var(--spacing-xs);
  box-shadow: var(--shadow-sm);
}

.bundle-taste--special .badge-icon {
  margin-bottom: var(--spacing-xs);
}

/* Product Info */
.product-info {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-name {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  font-style: italic;
  color: var(--black);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.product-description {
  font-size: 1.4rem;
  font-weight: var(--font-weight-semibold);
  color: var(--gray-dark);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
  flex-grow: 1;
}

.product-label {
  font-size: 1.4rem;
  color: var(--gray-medium);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
  flex-grow: 1;
}

/* Price Section */
.price-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.price-original {
  font-size: 2rem;
  color: var(--gray-medium);
  text-decoration: line-through;
}

.price-current {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--black);
}

.price-save {
  width: 8.7rem;
  text-align: center;
  background: var(--primary-cyan);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-xxl);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
}

/* Add to Cart Button */
.add-to-cart-btn {
  width: 100%;
  height: 54px;
  padding: var(--spacing-md);
  background: var(--primary-cyan);
  color: var(--white);
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.add-to-cart-btn:hover {
  background: var(--primary-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.add-to-cart-btn:active {
  transform: translateY(0);
}

.add-to-cart-btn.added {
  background: var(--primary-neutral);
}

/* ===== LOADING STATE ===== */
.loading-container {
  display: none;
  text-align: center;
  padding: var(--spacing-2xl);
}

.loading-container.active {
  display: block;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto var(--spacing-md);
  border: 4px solid var(--gray-light);
  border-top-color: var(--primary-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== EMPTY STATE ===== */
.empty-state {
  display: none;
  text-align: center;
  padding: var(--spacing-2xl);
}

.empty-state.active {
  display: block;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.empty-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--gray-dark);
  margin-bottom: var(--spacing-sm);
}

.empty-message {
  color: var(--gray-medium);
}

/* ===== CART MODAL ===== */
.cart-modal {
  display: none;
  position: fixed;
  overflow-y: scroll;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.5);
  animation: fadeIn var(--transition-base);
}

.cart-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.cart-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: slideUp var(--transition-base);
}

.cart-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--gray-dark);
}

.cart-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.cart-close:hover {
  background: var(--primary-active);
  color: var(--white);
  transform: rotate(90deg);
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.cart-empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--gray-medium);
}

.cart-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.cart-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--off-white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.cart-item:hover {
  background: var(--gray-light);
}

.cart-item-image {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.cart-item-details {
  flex: 1;
}

.cart-item-name {
  font-weight: var(--font-weight-semibold);
  color: var(--gray-dark);
  margin-bottom: var(--spacing-xs);
}

.cart-item-price {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--gray-dark);
}

.cart-item-quantity {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.quantity-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-neutral);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.quantity-btn:hover {
  background: var(--primary-active);
}

.quantity-value {
  min-width: 30px;
  text-align: center;
  font-weight: var(--font-weight-semibold);
}

.cart-item-remove {
  padding: var(--spacing-sm);
  background: var(--primary-neutral);
  color: var(--white);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  align-self: center;
}

.cart-item-remove:hover {
  background: var(--primary-active);
  transform: scale(1.1);
}

.cart-footer {
  border-top: 1px solid var(--gray-light);
  padding: var(--spacing-lg);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.cart-total-label {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  color: var(--gray-dark);
}

.cart-total-amount {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--black);
}

.cart-checkout-btn {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--primary-cyan);
  color: var(--white);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cart-checkout-btn:hover {
  background: var(--primary-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== FAQs ===== */

.faqs-section {
  width: 100%;
  max-width: 878px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}

.page-title.faq-title {
  text-align: center;
}

.accordion-button {
  border: none;
  border-bottom: 1px solid var(--primary-dark);
  color: var(--primary-dark);
  padding: 3rem 1rem 1rem 1rem;
  font-size: 1.8rem;
  font-weight: 500;
  box-shadow: none;
}

.accordion-button:focus {
  background-color: inherit;
  box-shadow: inherit;
}

.accordion-button:not(.collapsed) {
  background-color: inherit;
  color: inherit;
}

.accordion .accordion-item {
  border: none;
  margin-bottom: 0.5rem;
}

.accordion .accordion-button:not(.collapsed) {
  border: none;
  border-bottom: 2px solid var(--primary-dark);
  border-radius: 0;
}

.accordion .accordion-body {
  border-bottom: 1px solid var(--primary-dark);
  border-top: none;
  border-radius: 0;
  background-color: var(--grey-color);
  font-size: 1.6rem;
  padding: 2rem 7rem 2rem 7rem;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }

  .products-section {
    padding: var(--spacing-lg);
  }

  .tab-navigation {
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .tab-btn {
    width: 111px;
    height: 70px;
    padding: var(--spacing-md) var(--spacing-md);
    background: var(--primary-neutral);
    color: var(--white);
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: normal;
    overflow-wrap: break-word;
    word-wrap: break-word;
    position: relative;
  }

  .product-image-container {
    height: 220px;
  }
}

@media (max-width: 660px) {
  .nav-container {
    padding: 1.6rem 2rem;
    justify-content: space-between;
  }

  .hamburger-btn {
    display: block;
    order: 1;
  }

  .logo {
    order: 2;
    margin: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .logo h1 {
    font-size: 3rem;
  }

  .nav-links {
    display: none;
  }

  .cart-button {
    order: 3;
    margin-left: 0;
  }

  .mobile-nav-overlay {
    display: block;
  }
  .accordion-button {
    font-size: 1.8rem;
  }
}

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

  .page-title {
    font-size: 3rem;
  }

  .product-name {
    font-size: 1.1rem;
  }

  .price-current {
    font-size: 1.25rem;
  }

  .accordion-button {
    font-size: 1.4rem;
  }
}