/**
 * MarineStream™ Unified Components
 * 
 * Consolidates repeated patterns and provides reusable components
 * across the entire website for better maintainability and consistency.
 * 
 * @author MarineStream Development Team
 * @version 2.0.0
 */

/* ===========================
   UNIFIED CONTAINER VARIANTS
   ========================== */

/* Standard page container - now defined in one place */
.page-container,
.sales-container,
.equipment-container,
.servicing-container,
.consultation-container,
.product-details-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding-desktop);
  
  /* Enhanced spacing for better accessibility */
  padding-top: var(--safe-padding-vertical);
  padding-bottom: var(--safe-padding-vertical);
  box-sizing: border-box;
}

/* Wide container variant */
.container--wide {
  max-width: 1400px;
}

/* Narrow container variant */
.container--narrow {
  max-width: 1000px;
}

/* ===========================
   UNIFIED CAROUSEL SYSTEM
   ========================== */

/* Base carousel container - consolidates all carousel patterns */
.carousel-container,
.rov-carousel .carousel-container,
.crawler-carousel .carousel-container,
.diving-carousel .carousel-container,
.filters-carousel .carousel-container,
.software-carousel .carousel-container,
.handtools-carousel .carousel-container,
.rov-product-carousel .carousel-container,
.crawler-product-carousel .carousel-container,
.diving-product-carousel .carousel-container,
.filters-product-carousel .carousel-container,
.software-product-carousel .carousel-container,
.handtools-product-carousel .carousel-container,
.rov-training-carousel .carousel-container,
.biofouling-carousel .carousel-container,
.sustainment-carousel .carousel-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  
  /* Enhanced spacing */
  margin: var(--safe-margin-top) auto var(--safe-margin-bottom);
  padding: 0 var(--safe-padding-horizontal);
  
  /* Better mobile handling */
  box-sizing: border-box;
}

/* Carousel track */
.carousel-track {
  display: flex;
  transition: transform 0.3s ease-in-out;
  align-items: stretch;
}

/* Carousel item spacing */
.carousel-item {
  flex: 0 0 auto;
  margin-right: var(--space-lg);
  
  /* Ensure proper touch targets */
  min-height: 44px;
}

.carousel-item:last-child {
  margin-right: 0;
}

/* ===========================
   UNIFIED BUTTON SYSTEM
   ========================== */

/* Enhanced button base - consolidates all button patterns */
.btn,
.ms-hero .btn-primary,
.ms-hero .btn-outline,
.sales-container .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  
  /* Enhanced accessibility */
  min-height: 48px;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  
  /* Typography */
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: uppercase;
  
  /* Interaction */
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1.5px solid transparent;
  
  /* Prevent text selection */
  user-select: none;
  
  /* Ensure proper focus visibility */
  outline: none;
}

.btn:focus,
.btn:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Button variants with consistent styling */
.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-white);
  border-color: var(--accent-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.1);
}

.btn-outline {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--accent-color);
  color: var(--text-on-accent);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* ===========================
   UNIFIED CARD SYSTEM
   ========================== */

/* Base card styling - consolidates all card patterns */
.card,
.feature-card,
.value-card,
.tool-card,
.product-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  
  /* Enhanced spacing */
  padding: var(--space-xl);
  margin-bottom: var(--safe-margin-bottom);
  
  /* Interaction */
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  
  /* Ensure proper touch targets */
  min-height: 44px;
  box-sizing: border-box;
}

.card:hover,
.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Card variants */
.card--flat {
  box-shadow: none;
  border: 1px solid var(--bg-tertiary);
}

.card--elevated {
  box-shadow: var(--shadow-xl);
}

/* ===========================
   UNIFIED SECTION SYSTEM
   ========================== */

/* Section header consistency */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding: 0 var(--safe-padding-horizontal);
  
  /* Better spacing for accessibility */
  margin-top: var(--safe-margin-top);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.2;
  
  /* Prevent awkward text breaks */
  word-wrap: break-word;
  hyphens: auto;
}

.section-description {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 65ch;
  margin: 0 auto;
  
  /* Better text flow */
  word-wrap: break-word;
  hyphens: auto;
}

/* ===========================
   UNIFIED GRID SYSTEMS
   ========================== */

/* Responsive grid base */
.grid-base {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
  
  /* Better mobile handling */
  grid-template-columns: 1fr;
}

/* Grid variants */
.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Feature grid specifically */
.feature-grid,
.solutions-grid,
.tools-grid,
.value-grid {
  @extend .grid-base;
  @extend .grid-3;
  
  /* Enhanced spacing */
  margin: var(--safe-margin-top) auto var(--safe-margin-bottom);
}

/* ===========================
   RESPONSIVE ADAPTATIONS
   ========================== */

/* Tablet optimizations */
@media (max-width: 1199px) and (min-width: 768px) {
  .page-container,
  .sales-container,
  .equipment-container,
  .servicing-container,
  .consultation-container,
  .product-details-container {
    padding: 0 var(--container-padding-tablet);
  }
  
  .btn {
    min-height: 48px;
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .section-header {
    margin-bottom: var(--space-xl);
  }
}

/* Mobile optimizations */
@media (max-width: 767px) {
  .page-container,
  .sales-container,
  .equipment-container,
  .servicing-container,
  .consultation-container,
  .product-details-container {
    padding: 0 var(--container-padding-mobile);
  }
  
  .btn {
    width: 100%;
    min-height: 56px;
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
  }
  
  .card {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
  }
  
  .carousel-container {
    padding: 0 var(--space-md);
  }
  
  .section-header {
    margin-bottom: var(--space-lg);
    text-align: center;
  }
  
  .section-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
  }
  
  .section-description {
    font-size: clamp(1rem, 3vw, 1.2rem);
  }
  
  /* Grid adjustments for mobile */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Small mobile devices */
@media (max-width: 479px) {
  .card {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }
  
  .btn {
    padding: 1rem 1.2rem;
    font-size: 1rem;
  }
  
  .carousel-container {
    padding: 0 var(--space-sm);
  }
}

/* ===========================
   ACCESSIBILITY ENHANCEMENTS
   ========================== */

/* Enhanced focus states */
.btn:focus,
.card:focus,
.carousel-item:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .btn,
  .card,
  .carousel-container * {
    animation: none;
    transition: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .btn {
    border-width: 2px;
  }
  
  .card {
    border-width: 2px;
    box-shadow: none;
  }
}

/* ===========================
   PRINT STYLES
   ========================== */

@media print {
  .btn,
  .carousel-container,
  .hero-cta {
    display: none !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
  
  .page-container,
  .sales-container,
  .equipment-container,
  .servicing-container,
  .consultation-container,
  .product-details-container {
    padding: 0 !important;
    max-width: none !important;
  }
}