/* Samsung Plaza - Global Styles */
:root {
  --primary-color: #1c5aa8;
  --secondary-color: #0066cc;
  --accent-color: #ff6b35;
  --text-dark: #333333;
  --text-light: #666666;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --border-color: #e0e0e0;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

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

/* Header Styles */
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-main {
  padding: 20px 0;
}

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

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

.logo img {
  height: 70px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Navigation */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

/* Hide mobile menu button on desktop */
@media (min-width: 769px) {
  .mobile-menu-btn {
    display: none !important;
  }
}

/* Hide desktop navigation on mobile */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
}

.nav-menu li a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--primary-color);
  padding: 8px;
  border-radius: 6px;
  transition: all 0.3s ease;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.mobile-menu-btn:hover {
  background-color: rgba(28, 90, 168, 0.1);
  transform: scale(1.05);
}

.mobile-menu-btn i {
  transition: all 0.3s ease;
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 16px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: var(--accent-color);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #e55a2b;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

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

/* Mobile contact info */
.mobile-contact-info {
  display: none;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.mobile-contact-section {
  margin-bottom: 20px;
}

.mobile-contact-section h4 {
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 600;
}

.mobile-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s;
}

.mobile-contact-item:hover {
  color: var(--primary-color);
}

.mobile-contact-item i {
  width: 16px;
  color: var(--primary-color);
}

.mobile-hours {
  color: var(--text-light);
  margin: 4px 0;
  font-size: 14px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 120px 0 80px;
  margin-top: 90px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Sections */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: var(--primary-color);
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.card h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  width: 100%;
  height: 220px;
  object-fit: contain;
  object-position: center;
  background-color: #f8f9fa;
  padding: 15px;
  transition: transform 0.3s ease;
}

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

.product-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-title {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.product-price {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--accent-color);
  margin-bottom: 15px;
}

.product-description {
  flex: 1;
  margin-bottom: 20px;
  line-height: 1.5;
  color: var(--text-light);
}

.product-button {
  margin-top: auto;
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: var(--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 {
  margin-bottom: 20px;
  color: var(--primary-color);
}

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

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

.footer-section ul li a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid #555;
  padding-top: 20px;
  text-align: center;
  font-size: 14px;
  color: #ccc;
}

.social-links {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 20px;
}

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

.social-links a:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* Scroll to top button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 1000;
  font-size: 20px;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* Prevent layout shift when scroll is locked */
body.menu-open {
  overflow: hidden;
  padding-right: 0px; /* Will be dynamically set by JS to compensate scrollbar */
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .header-right {
    gap: 10px;
  }
  
  .nav-menu {
    display: none !important;
    flex-direction: column;
    position: fixed;
    top: 90px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 20px;
    overflow-y: auto;
    z-index: 999;
  }
  
  .nav-menu.active {
    display: flex !important;
  }
  
  .mobile-menu-btn {
    display: flex !important;
  }
  
  .logo img {
    height: 60px;
  }
  
  .mobile-contact-info {
    display: block;
  }
  
  .hero {
    padding: 100px 0 60px;
    margin-top: 90px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .cards-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}