/* Enhanced Design System for MYKvision Website */

/* ========================================
   ENHANCED RESPONSIVE DESIGN FRAMEWORK
   ======================================== */

:root {
  /* Color Palette */
  --primary-color: #dc2626;
  --secondary-color: #111111;
  --accent-color: #dc2626;
  --dark-color: #111111;
  --light-color: #f5f5f5;
  --white: #ffffff;
  --black: #000000;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #dc2626, #b91c1c);
  --gradient-secondary: linear-gradient(135deg, #111111, #1f2937);
  --gradient-dark: linear-gradient(135deg, #111111, #000000);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
  
  /* Typography */
  --font-family-primary: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========================================
   ENHANCED GLOBAL STYLES
   ======================================== */

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-primary);
  line-height: 1.6;
  color: var(--dark-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   ENHANCED LAYOUT COMPONENTS
   ======================================== */

.container-enhanced {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-enhanced {
  padding: var(--spacing-xxl) 0;
}

.row-enhanced {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -var(--spacing-sm);
}

.col-enhanced {
  flex: 1;
  padding: 0 var(--spacing-sm);
}

/* ========================================
   ENHANCED CARDS
   ======================================== */

.card-enhanced {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  border: 1px solid rgba(0,0,0,0.1);
}

.card-enhanced:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-enhanced .card-header {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-md);
  position: relative;
}

.card-enhanced .card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-secondary);
}

.card-enhanced .card-body {
  padding: var(--spacing-lg);
}

.card-enhanced .card-footer {
  padding: var(--spacing-md);
  background: rgba(0,0,0,0.02);
  border-top: 1px solid rgba(0,0,0,0.1);
}

/* ========================================
   ENHANCED BUTTONS
   ======================================== */

.btn-enhanced {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-enhanced::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 var(--transition-slow);
}

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

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

.btn-primary-enhanced:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

/* ========================================
   ENHANCED PRODUCT GRID
   ======================================== */

.products-grid-enhanced {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.product-card-enhanced {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
}

.product-card-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.product-card-enhanced:hover::before {
  transform: scaleX(1);
}

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

.product-image-enhanced {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

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

.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.product-card-enhanced:hover .product-overlay {
  opacity: 1;
}

.product-content-enhanced {
  padding: var(--spacing-lg);
}

.product-title-enhanced {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

.product-description-enhanced {
  color: #666;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.product-features-enhanced {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-lg);
}

.product-features-enhanced li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  position: relative;
  padding-left: var(--spacing-md);
}

.product-features-enhanced li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

.product-meta-enhanced {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(0,0,0,0.1);
}

.product-category-enhanced {
  background: var(--gradient-secondary);
  color: var(--dark-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

/* ========================================
   ENHANCED LOGO INTEGRATION
   ======================================== */

.logo-enhanced {
  max-height: 60px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  transition: all var(--transition-normal);
}

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

.logo-container-enhanced {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ========================================
   ENHANCED NAVIGATION
   ======================================== */

.nav-enhanced {
  background: rgba(255,255,255,0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-enhanced .nav-item {
  margin: 0 var(--spacing-sm);
}

.nav-enhanced .nav-link {
  color: var(--dark-color);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-enhanced .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-enhanced .nav-link:hover {
  background: rgba(255,49,49,0.1);
  color: var(--primary-color);
}

.nav-enhanced .nav-link:hover::after {
  width: 100%;
}

/* ========================================
   ENHANCED TABS
   ======================================== */

.tabs-enhanced {
  border-bottom: 2px solid rgba(0,0,0,0.1);
  margin-bottom: var(--spacing-lg);
}

.tab-enhanced {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 600;
  margin-right: var(--spacing-sm);
}

.tab-enhanced:hover {
  background: rgba(255,49,49,0.1);
  color: var(--primary-color);
}

.tab-enhanced.active {
  border-bottom-color: var(--primary-color);
  color: var(--primary-color);
  background: rgba(255,49,49,0.05);
}

/* ========================================
   ENHANCED FORMS
   ======================================== */

.form-group-enhanced {
  margin-bottom: var(--spacing-lg);
}

.form-label-enhanced {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--dark-color);
}

.form-control-enhanced {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
}

.form-control-enhanced:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255,49,49,0.1);
}

/* ========================================
   ENHANCED RESPONSIVE DESIGN
   ======================================== */

/* Tablet Styles */
@media (max-width: 1024px) {
  .container-enhanced {
    padding: 0 var(--spacing-md);
  }
  
  .products-grid-enhanced {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }
  
  .section-enhanced {
    padding: var(--spacing-xl) 0;
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  .container-enhanced {
    padding: 0 var(--spacing-sm);
  }
  
  .products-grid-enhanced {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .row-enhanced {
    flex-direction: column;
  }
  
  .col-enhanced {
    flex: none;
    width: 100%;
    margin-bottom: var(--spacing-md);
  }
  
  .section-enhanced {
    padding: var(--spacing-lg) 0;
  }
  
  .logo-enhanced {
    max-height: 40px;
  }
  
  .product-card-enhanced {
    margin-bottom: var(--spacing-md);
  }
  
  .btn-enhanced {
    width: 100%;
    justify-content: center;
  }
  
  .nav-enhanced .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  .container-enhanced {
    padding: 0 var(--spacing-xs);
  }
  
  .product-content-enhanced {
    padding: var(--spacing-md);
  }
  
  .product-title-enhanced {
    font-size: var(--font-size-lg);
  }
  
  .section-enhanced {
    padding: var(--spacing-md) 0;
  }
}

/* ========================================
   ENHANCED UTILITIES
   ======================================== */

.text-center-enhanced { text-align: center; }
.text-left-enhanced { text-align: left; }
.text-right-enhanced { text-align: right; }

.mb-sm-enhanced { margin-bottom: var(--spacing-sm); }
.mb-md-enhanced { margin-bottom: var(--spacing-md); }
.mb-lg-enhanced { margin-bottom: var(--spacing-lg); }
.mb-xl-enhanced { margin-bottom: var(--spacing-xl); }

.mt-sm-enhanced { margin-top: var(--spacing-sm); }
.mt-md-enhanced { margin-top: var(--spacing-md); }
.mt-lg-enhanced { margin-top: var(--spacing-lg); }
.mt-xl-enhanced { margin-top: var(--spacing-xl); }

.p-sm-enhanced { padding: var(--spacing-sm); }
.p-md-enhanced { padding: var(--spacing-md); }
.p-lg-enhanced { padding: var(--spacing-lg); }
.p-xl-enhanced { padding: var(--spacing-xl); }

.fade-in-enhanced {
  animation: fadeIn 0.6s ease-in-out;
}

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

.slide-up-enhanced {
  animation: slideUp 0.6s ease-in-out;
}

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

/* ========================================
   ENHANCED LOADING STATES
   ======================================== */

.loading-enhanced {
  position: relative;
  overflow: hidden;
}

.loading-enhanced::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}