/* Enhanced visual styles for minimalistic design */

/* Page Loader */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-indicator {
  width: 40px;
  height: 40px;
  position: relative;
}

.loader-indicator:before,
.loader-indicator:after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.loader-indicator:before {
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  animation: pulse 1.5s infinite ease-in-out;
}

.loader-indicator:after {
  width: 85%;
  height: 85%;
  background: var(--background-color);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse-inverse 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.7;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0.8);
    opacity: 0.7;
  }
}

@keyframes pulse-inverse {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(0.85);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Global enhancements */
.container {
  --enhanced-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  --enhanced-radius: 12px;
  --enhanced-transition: 0.4s var(--transition-function);
}

[data-theme="dark"] .container {
  --enhanced-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Card enhancements for all pages */
.service-card,
.project-card,
.transport-card,
.about-card,
.expertise-item {
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--box-shadow-sm);
  transition: transform var(--enhanced-transition), 
              box-shadow var(--enhanced-transition), 
              background-color var(--enhanced-transition);
  background: linear-gradient(145deg, #ffffff, #f5f9ff);
  border: 1px solid rgba(255, 255, 255, 0.8);
  width: 100%; /* Ensure cards take full width on mobile */
  max-width: 100%;
  overflow: hidden; /* Prevent content overflow */
}

[data-theme="dark"] .service-card,
[data-theme="dark"] .project-card,
[data-theme="dark"] .transport-card,
[data-theme="dark"] .about-card,
[data-theme="dark"] .expertise-item {
  background: linear-gradient(145deg, #1E293B, #111827);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover,
.project-card:hover,
.transport-card:hover,
.about-card:hover,
.expertise-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-md);
  background: linear-gradient(145deg, #ffffff, #f0f7ff);
}

[data-theme="dark"] .service-card:hover,
[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .transport-card:hover,
[data-theme="dark"] .about-card:hover,
[data-theme="dark"] .expertise-item:hover {
  box-shadow: var(--box-shadow-lg);
  background: linear-gradient(145deg, #2D3748, #1A202C);
}

/* Grid spacing enhancements */
.services-grid,
.portfolio-grid,
.transport-grid,
.expertise-grid {
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xs);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  width: 100%;
  max-width: 100%;
}

/* Icon enhancements */
.service-icon,
.transport-icon,
.expertise-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 1;
  transition: transform var(--enhanced-transition);
}

.service-card:hover .service-icon,
.transport-card:hover .transport-icon,
.expertise-item:hover .expertise-icon {
  transform: scale(1.2) rotate(5deg);
}

/* Title enhancements */
.service-title,
.project-title,
.transport-title-card,
.expertise-title {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--text-color);
  transition: color var(--transition-speed);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.service-title::after,
.project-title::after,
.transport-title-card::after,
.expertise-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: width var(--enhanced-transition);
  border-radius: 3px;
}

.service-card:hover .service-title::after,
.project-card:hover .project-title::after,
.transport-card:hover .transport-title-card::after,
.expertise-item:hover .expertise-title::after {
  width: 80px;
}

/* Description enhancements */
.service-description,
.project-description,
.transport-description,
.expertise-description,
.card-text {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: rgba(0, 0, 0, 0.7);
  transition: color var(--transition-speed);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

[data-theme="dark"] .service-description,
[data-theme="dark"] .project-description,
[data-theme="dark"] .transport-description,
[data-theme="dark"] .expertise-description,
[data-theme="dark"] .card-text {
  color: rgba(255, 255, 255, 0.7);
}

/* Wrapper enhancements */
.services-wrapper,
.portfolio-wrapper,
.transport-wrapper {
  padding: var(--space-md) 0;
  margin: var(--space-md) 0;
  width: 100%;
  max-width: 100vw;
  /* Add space for box-shadow overflow */
  overflow-x: auto;
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

/* Graphic container enhancements */
.services-graphic-container,
.portfolio-graphic-container,
.map-container,
.about-graphic-container,
.contact-graphic-container {
  height: 220px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
  margin: var(--space-xl) auto;
  background: linear-gradient(145deg, #ffffff, #f0f7ff);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: background var(--transition-speed), border var(--transition-speed);
  width: 100%;
  max-width: 100%;
}

[data-theme="dark"] .services-graphic-container,
[data-theme="dark"] .portfolio-graphic-container,
[data-theme="dark"] .map-container,
[data-theme="dark"] .about-graphic-container,
[data-theme="dark"] .contact-graphic-container {
  background: linear-gradient(145deg, #1E293B, #111827);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Scrollbar enhancements */
.services-wrapper::-webkit-scrollbar,
.portfolio-wrapper::-webkit-scrollbar,
.transport-wrapper::-webkit-scrollbar {
  height: 8px;
}

.services-wrapper::-webkit-scrollbar-thumb,
.portfolio-wrapper::-webkit-scrollbar-thumb,
.transport-wrapper::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 20px;
}

/* Button enhancements */
.back-button {
  padding: 0.8rem 1.8rem;
  border-radius: var(--border-radius-round);
  font-weight: 500;
  letter-spacing: 0.5px;
  box-shadow: var(--box-shadow-sm);
  transition: all var(--enhanced-transition);
  color: var(--text-color);
  background: var(--white-color);
  min-height: 44px; /* Ensure touch target size */
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .back-button {
  box-shadow: var(--box-shadow-md);
  background: var(--light-color);
}

.back-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--shadow-color);
}

[data-theme="dark"] .back-button:hover {
  box-shadow: 0 8px 20px var(--shadow-color);
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
  .services-grid,
  .portfolio-grid,
  .transport-grid,
  .expertise-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  
  .services-graphic-container,
  .portfolio-graphic-container,
  .map-container,
  .about-graphic-container,
  .contact-graphic-container {
    height: 180px;
  }
}

@media (max-width: 768px) {
  .service-card,
  .project-card,
  .transport-card,
  .about-card,
  .expertise-item {
    padding: var(--space-md);
  }
  
  .services-grid,
  .portfolio-grid,
  .transport-grid,
  .expertise-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-sm);
  }
  
  .service-icon,
  .transport-icon,
  .expertise-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
  }
  
  .services-graphic-container,
  .portfolio-graphic-container,
  .map-container,
  .about-graphic-container,
  .contact-graphic-container {
    height: 150px;
    margin: var(--space-lg) auto;
  }
}

@media (max-width: 480px) {
  .services-grid,
  .portfolio-grid,
  .transport-grid,
  .expertise-grid {
    grid-template-columns: 1fr; /* Single column on very small devices */
  }
  
  .service-card,
  .project-card,
  .transport-card,
  .about-card,
  .expertise-item {
    padding: var(--space-sm);
  }
  
  .service-icon,
  .transport-icon,
  .expertise-icon {
    font-size: 1.75rem;
  }
  
  .service-title,
  .project-title,
  .transport-title-card,
  .expertise-title {
    font-size: var(--mobile-font-size-md);
  }
  
  .service-description,
  .project-description,
  .transport-description,
  .expertise-description,
  .card-text {
    font-size: var(--mobile-font-size-base);
    line-height: 1.5;
  }
  
  .services-graphic-container,
  .portfolio-graphic-container,
  .map-container,
  .about-graphic-container,
  .contact-graphic-container {
    height: 120px;
  }
  
  .back-button {
    padding: 0.6rem 1.5rem;
  }
}