/* ===== RESET & VARIABLES ===== */
:root {
  /* Colors */
  --primary: #3498db;
  --primary-dark: #2980b9;
  --secondary: #2c3e50;
  --accent: #e74c3c;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-blue: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  --gradient-green: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
  --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);

  /* Typography */
  --font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --border-radius: 12px;
  --box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* ===== HEADER ===== */
header {
  background: var(--gradient-dark);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: white;
  transition: var(--transition);
}

.logo:hover {
  transform: translateY(-2px);
}

.logo img {
  height: 50px;
  margin-right: 15px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(45deg, #3498db, #2ecc71);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition);
}

nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-blue);
  transition: width 0.3s ease;
}

nav ul li a:hover {
  color: #3498db;
}

nav ul li a:hover::after {
  width: 100%;
}

.cart-icon {
  position: relative;
  cursor: pointer;
  font-size: 1.5rem;
  color: white;
  transition: var(--transition);
  padding: 0.5rem;
  border-radius: 50%;
}

.cart-icon:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.1);
}

#cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--gradient-green);
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.8rem;
  font-weight: bold;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
  animation: pulse 2s infinite;
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(52, 152, 219, 0.85)),
    url("../images/hero-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: white;
  text-align: center;
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease 0.2s both;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--gradient-blue);
  color: white;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
  position: relative;
  overflow: hidden;
  font-size: 1rem;
}

.btn::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 0.6s;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(52, 152, 219, 0.4);
  color: white;
}

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

.btn-success {
  background: var(--gradient-green);
  box-shadow: 0 6px 20px rgba(46, 204, 113, 0.3);
}

.btn-success:hover {
  box-shadow: 0 10px 25px rgba(46, 204, 113, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--gradient-blue);
  color: white;
}

/* ===== PRODUCTS SECTION ===== */
.products {
  padding: 6rem 0;
  background: white;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  font-size: 2.8rem;
  color: var(--secondary);
  font-weight: 700;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-blue);
  border-radius: 2px;
}

.product-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: white;
  border: 2px solid #e9ecef;
  color: #6c757d;
  padding: 0.8rem 1.8rem;
  border-radius: 25px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--gradient-blue);
  transition: width 0.3s ease;
  z-index: -1;
}

.filter-btn.active,
.filter-btn:hover {
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.filter-btn.active::before,
.filter-btn:hover::before {
  width: 100%;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.product-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid #f1f3f4;
  position: relative;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--gradient-green);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
}

.product-image {
  height: 240px;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.product-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: var(--transition);
  filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
}

.product-card:hover .product-image img {
  transform: scale(1.15);
}

.product-info {
  padding: 2rem;
}

.product-info h3 {
  margin-bottom: 1rem;
  font-size: 1.4rem;
  color: var(--secondary);
  font-weight: 600;
  line-height: 1.3;
}

.product-info p {
  color: #6c757d;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.product-stock {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
}

.stock-available {
  background: #d4edda;
  color: #155724;
}

.stock-low {
  background: #fff3cd;
  color: #856404;
}

.stock-out {
  background: #f8d7da;
  color: #721c24;
}

.product-price {
  font-weight: 700;
  color: var(--accent);
  font-size: 1.5rem;
}

.add-to-cart {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-green);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.add-to-cart:hover:not(:disabled) {
  background: linear-gradient(135deg, #27ae60, #219a52);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(46, 204, 113, 0.4);
}

.add-to-cart:disabled {
  background: #6c757d;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 1050;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: white;
  margin: 3% auto;
  padding: 3rem;
  border-radius: 20px;
  width: 90%;
  max-width: 700px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  cursor: pointer;
  color: #6c757d;
  transition: var(--transition);
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  z-index: 1;
}

.close:hover {
  color: var(--accent);
  background-color: #f8f9fa;
  transform: rotate(90deg);
}

/* ===== CART STYLES ===== */
.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid #e9ecef;
  transition: var(--transition);
  border-radius: 10px;
  margin-bottom: 1rem;
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.cart-item:hover {
  background-color: #f8f9fa;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.cart-item-info {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 1.5rem;
}

.cart-item-image {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.cart-item-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cart-item-details h4 {
  margin-bottom: 0.5rem;
  color: var(--secondary);
  font-weight: 600;
  font-size: 1.1rem;
}

.cart-item-price {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quantity-controls {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: #f8f9fa;
  padding: 0.5rem;
  border-radius: 25px;
}

.quantity-btn {
  background: var(--gradient-blue);
  color: white;
  border: none;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
  font-weight: bold;
  box-shadow: 0 3px 8px rgba(52, 152, 219, 0.3);
}

.quantity-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 5px 12px rgba(52, 152, 219, 0.4);
}

.quantity {
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 40px;
  text-align: center;
  color: var(--secondary);
}

.remove-item {
  background: var(--gradient-blue);
  color: white;
  border: none;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.remove-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(231, 76, 60, 0.3);
}

.cart-total {
  margin-top: 2.5rem;
  text-align: right;
  padding-top: 2rem;
  border-top: 2px solid #e9ecef;
}

.cart-total h3 {
  color: var(--secondary);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

/* ===== FORM STYLES ===== */
.form-group {
  margin-bottom: 2rem;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 600;
  color: var(--secondary);
  font-size: 1rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1.2rem;
  border: 2px solid #e9ecef;
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background-color: #f8f9fa;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
  transform: translateY(-2px);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
  line-height: 1.5;
}

/* ===== LIVE CHAT WIDGET ===== */
.live-chat-widget {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 1000;
}

.chat-toggle {
  width: 65px;
  height: 65px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
  animation: pulse 2s infinite;
  font-size: 1.5rem;
}

.chat-toggle:hover {
  transform: scale(1.15) rotate(10deg);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.chat-container {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 520px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: chatSlideUp 0.3s ease;
}

.chat-header {
  background: var(--gradient-primary);
  color: white;
  padding: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header h6 {
  margin: 0;
  font-weight: 600;
  font-size: 1.1rem;
}

.chat-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #f8f9fa;
}

.chat-messages {
  flex: 1;
  padding: 1.2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.welcome-message {
  text-align: center;
  padding: 2rem 1rem;
  color: #6c757d;
  background: white;
  border-radius: 15px;
  margin: 1rem 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.message {
  padding: 1rem 1.2rem;
  border-radius: 18px;
  max-width: 85%;
  word-wrap: break-word;
  animation: messageSlideIn 0.3s ease;
  position: relative;
  line-height: 1.4;
}

.customer-message {
  background: var(--gradient-blue);
  color: white;
  margin-left: auto;
  border-bottom-right-radius: 5px;
  box-shadow: 0 3px 10px rgba(52, 152, 219, 0.2);
}

.admin-message {
  background: white;
  color: #333;
  margin-right: auto;
  border-bottom-left-radius: 5px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.system-message {
  background: transparent;
  color: #6c757d;
  margin: 0.5rem auto;
  text-align: center;
  max-width: 90%;
  font-style: italic;
  font-size: 0.9rem;
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.message-header strong {
  font-size: 0.85em;
  opacity: 0.9;
}

.message-header small {
  font-size: 0.75em;
  opacity: 0.8;
}

.message-content {
  font-size: 0.9em;
}

.chat-input-container {
  padding: 1.2rem;
  background: white;
  border-top: 1px solid #e9ecef;
}

.chat-input .input-group {
  margin-bottom: 0.8rem;
}

/* ===== FOOTER ===== */
footer {
  background: var(--gradient-dark);
  color: white;
  padding: 5rem 0 2rem;
  position: relative;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  font-weight: 600;
  color: #3498db;
}

.footer-section p {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: #bdc3c7;
}

.footer-section i {
  margin-right: 0.8rem;
  color: #3498db;
  width: 20px;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  color: white;
  font-size: 1.3rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.social-icons a:hover {
  color: #3498db;
  background: white;
  transform: translateY(-3px) scale(1.1);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #95a5a6;
  font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(102, 126, 234, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
  }
}

@keyframes chatSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ===== NOTIFICATION ===== */
.notification {
  position: fixed;
  top: 25px;
  right: 25px;
  background: var(--gradient-green);
  color: white;
  padding: 1.2rem 1.8rem;
  border-radius: 12px;
  z-index: 1060;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 350px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== LOADING STATES ===== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s linear infinite;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .container {
    width: 95%;
  }
}

@media (max-width: 992px) {
  .hero h2 {
    font-size: 2.8rem;
  }

  .section-title {
    font-size: 2.4rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    gap: 1.5rem;
  }

  .hero {
    padding: 6rem 0;
  }

  .hero h2 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
  }

  .modal-content {
    padding: 2rem;
    margin: 5% auto;
    width: 95%;
  }

  .cart-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .cart-item-controls {
    width: 100%;
    justify-content: space-between;
  }

  .chat-container {
    width: calc(100vw - 40px);
    right: -10px;
  }
}

@media (max-width: 576px) {
  .hero h2 {
    font-size: 1.8rem;
  }

  .btn {
    padding: 0.8rem 1.8rem;
    font-size: 0.9rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .modal-content {
    padding: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .live-chat-widget {
    bottom: 15px;
    right: 15px;
  }

  .chat-toggle {
    width: 55px;
    height: 55px;
    font-size: 1.3rem;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mb-1 {
  margin-bottom: 1rem;
}
.mb-2 {
  margin-bottom: 2rem;
}
.mb-3 {
  margin-bottom: 3rem;
}

.mt-1 {
  margin-top: 1rem;
}
.mt-2 {
  margin-top: 2rem;
}
.mt-3 {
  margin-top: 3rem;
}

.p-1 {
  padding: 1rem;
}
.p-2 {
  padding: 2rem;
}
.p-3 {
  padding: 3rem;
}

.d-flex {
  display: flex;
}
.d-block {
  display: block;
}
.d-none {
  display: none;
}

.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.align-center {
  align-items: center;
}

.w-100 {
  width: 100%;
}
.h-100 {
  height: 100%;
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: rgba(241, 241, 241, 0.5);
  border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(52, 152, 219, 0.5);
  border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(52, 152, 219, 0.7);
}