/**
 * Enhanced Service Areas - Tiered City Links
 *
 * Redesigned city links with 3-tier visibility system:
 * - Tier 1: Featured cities (prominent cards)
 * - Tier 2: Primary service areas (medium prominence)
 * - Tier 3: Extended coverage (compact list, always visible)
 *
 * ALL 144 cities remain visible in HTML for SEO purposes
 * No JavaScript required for visibility (SEO-safe)
 *
 * @package MSM-Group
 * @version 1.0.0
 */

/* ============================================
   SERVICE AREAS SECTION
   ============================================ */

.service-areas {
  position: relative;
  padding: var(--msm-space-20) 0;
  background: linear-gradient(180deg,
    var(--msm-color-bg-primary) 0%,
    var(--msm-color-bg-secondary) 100%
  );
  overflow: hidden;
}

/* Background decoration */
.service-areas::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle,
    rgba(0, 180, 217, 0.05) 0%,
    transparent 70%
  );
  pointer-events: none;
}

/* Section header */
.service-areas .section-header {
  margin-bottom: var(--msm-space-12);
}

.service-areas .section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--msm-space-2);
  padding: var(--msm-space-2) var(--msm-space-4);
  background: var(--msm-gradient-primary);
  color: var(--msm-color-text-inverse);
  border-radius: var(--msm-radius-pill);
  font-size: var(--msm-font-size-sm);
  font-weight: var(--msm-font-weight-semibold);
  margin-bottom: var(--msm-space-4);
}

/* ============================================
   TIER 1: FEATURED CITIES
   ============================================ */

.tier-1-cities {
  margin-bottom: var(--msm-space-16);
}

.tier-1-cities-title {
  font-size: var(--msm-font-size-2xl);
  font-weight: var(--msm-font-weight-bold);
  color: var(--msm-color-text-primary);
  margin-bottom: var(--msm-space-6);
  text-align: center;
}

.tier-1-cities-title .tier-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--msm-space-2);
  padding: var(--msm-space-1) var(--msm-space-3);
  background: var(--msm-color-warning-100);
  color: var(--msm-color-warning-700);
  border-radius: var(--msm-radius-md);
  font-size: var(--msm-font-size-xs);
  font-weight: var(--msm-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: var(--msm-space-2);
}

.tier-1-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--msm-space-6);
  margin-bottom: var(--msm-space-4);
}

/* Featured city card */
.featured-city-card {
  position: relative;
  display: block;
  padding: var(--msm-space-8);
  background: var(--msm-color-bg-primary);
  border: 2px solid var(--msm-color-border-subtle);
  border-radius: var(--msm-radius-xl);
  box-shadow: var(--msm-shadow-md);
  text-decoration: none;
  overflow: hidden;

  transition:
    transform var(--msm-duration-normal) var(--msm-ease-spring),
    box-shadow var(--msm-duration-normal) var(--msm-ease-out),
    border-color var(--msm-duration-fast) var(--msm-ease-out);
}

.featured-city-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--msm-gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--msm-duration-normal) var(--msm-ease-spring);
}

.featured-city-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--msm-shadow-2xl);
  border-color: var(--msm-color-primary-300);
}

.featured-city-card:hover::before {
  transform: scaleX(1);
}

/* City card header */
.featured-city-header {
  display: flex;
  align-items: center;
  gap: var(--msm-space-4);
  margin-bottom: var(--msm-space-4);
}

.featured-city-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--msm-gradient-primary);
  color: var(--msm-color-text-inverse);
  border-radius: var(--msm-radius-lg);
  font-size: 28px;
  flex-shrink: 0;
  box-shadow: var(--msm-shadow-primary);
}

.featured-city-title-group h3 {
  margin: 0 0 var(--msm-space-1);
  font-size: var(--msm-font-size-xl);
  font-weight: var(--msm-font-weight-bold);
  color: var(--msm-color-text-primary);
}

.featured-city-subtitle {
  margin: 0;
  font-size: var(--msm-font-size-sm);
  color: var(--msm-color-text-secondary);
  line-height: var(--msm-line-height-tight);
}

/* City card features */
.featured-city-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--msm-space-3);
  margin-top: var(--msm-space-4);
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--msm-space-1);
  padding: var(--msm-space-1) var(--msm-space-3);
  background: var(--msm-color-bg-tertiary);
  color: var(--msm-color-text-secondary);
  border-radius: var(--msm-radius-pill);
  font-size: var(--msm-font-size-xs);
  font-weight: var(--msm-font-weight-medium);
}

.feature-badge i {
  font-size: 12px;
  color: var(--msm-color-primary-500);
}

/* ============================================
   TIER 2: PRIMARY SERVICE AREAS
   ============================================ */

.tier-2-cities {
  margin-bottom: var(--msm-space-16);
}

.tier-2-cities-title {
  font-size: var(--msm-font-size-xl);
  font-weight: var(--msm-font-weight-bold);
  color: var(--msm-color-text-primary);
  margin-bottom: var(--msm-space-6);
  text-align: center;
}

.tier-2-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--msm-space-4);
}

/* Primary city link */
.primary-city-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--msm-space-3);
  padding: var(--msm-space-4);
  background: var(--msm-color-bg-primary);
  border: 1px solid var(--msm-color-border-subtle);
  border-radius: var(--msm-radius-lg);
  text-decoration: none;

  transition:
    transform var(--msm-duration-fast) var(--msm-ease-out),
    box-shadow var(--msm-duration-fast) var(--msm-ease-out),
    border-color var(--msm-duration-fast) var(--msm-ease-out);
}

.primary-city-link:hover {
  transform: translateX(4px);
  box-shadow: var(--msm-shadow-md);
  border-color: var(--msm-color-primary-300);
}

.primary-city-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--msm-color-primary-50);
  color: var(--msm-color-primary-600);
  border-radius: var(--msm-radius-md);
  font-size: 18px;
  flex-shrink: 0;
}

.primary-city-content h4 {
  margin: 0 0 var(--msm-space-1);
  font-size: var(--msm-font-size-base);
  font-weight: var(--msm-font-weight-semibold);
  color: var(--msm-color-text-primary);
}

.primary-city-content p {
  margin: 0;
  font-size: var(--msm-font-size-sm);
  color: var(--msm-color-text-secondary);
  line-height: var(--msm-line-height-tight);
}

/* ============================================
   TIER 3: EXTENDED COVERAGE
   ============================================ */

.tier-3-cities {
  margin-bottom: var(--msm-space-12);
  padding: var(--msm-space-8);
  background: var(--msm-color-bg-secondary);
  border: 1px solid var(--msm-color-border-subtle);
  border-radius: var(--msm-radius-xl);
}

.tier-3-cities-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--msm-space-6);
}

.tier-3-cities-title {
  font-size: var(--msm-font-size-lg);
  font-weight: var(--msm-font-weight-bold);
  color: var(--msm-color-text-primary);
  margin: 0;
}

.tier-3-cities-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--msm-space-2);
  background: var(--msm-color-primary-500);
  color: var(--msm-color-text-inverse);
  border-radius: var(--msm-radius-pill);
  font-size: var(--msm-font-size-sm);
  font-weight: var(--msm-font-weight-bold);
}

/* Grid layout for tier 3 */
.tier-3-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--msm-space-2);
}

/* Compact city link */
.compact-city-link {
  display: flex;
  align-items: center;
  gap: var(--msm-space-2);
  padding: var(--msm-space-2) var(--msm-space-3);
  background: var(--msm-color-bg-primary);
  border: 1px solid transparent;
  border-radius: var(--msm-radius-md);
  text-decoration: none;
  font-size: var(--msm-font-size-sm);
  font-weight: var(--msm-font-weight-medium);
  color: var(--msm-color-text-primary);

  transition:
    background var(--msm-duration-fast) var(--msm-ease-out),
    border-color var(--msm-duration-fast) var(--msm-ease-out),
    color var(--msm-duration-fast) var(--msm-ease-out);
}

.compact-city-link:hover {
  background: var(--msm-color-primary-50);
  border-color: var(--msm-color-primary-300);
  color: var(--msm-color-primary-700);
}

.compact-city-link i {
  font-size: 12px;
  color: var(--msm-color-primary-500);
}

/* ============================================
   SEARCH & FILTER
   ============================================ */

.cities-search-box {
  margin-bottom: var(--msm-space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cities-search-input {
  width: 100%;
  padding: var(--msm-space-4) var(--msm-space-6);
  padding-left: var(--msm-space-12);
  background: var(--msm-color-bg-primary);
  border: 2px solid var(--msm-color-border-subtle);
  border-radius: var(--msm-radius-pill);
  font-size: var(--msm-font-size-base);

  transition:
    border-color var(--msm-duration-fast) var(--msm-ease-out),
    box-shadow var(--msm-duration-fast) var(--msm-ease-out);
}

.cities-search-input:focus {
  outline: none;
  border-color: var(--msm-color-primary-500);
  box-shadow: 0 0 0 4px var(--msm-color-primary-100);
}

.cities-search-icon {
  position: absolute;
  left: var(--msm-space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--msm-color-text-secondary);
  pointer-events: none;
}

/* ============================================
   STATISTICS BANNER
   ============================================ */

.coverage-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--msm-space-6);
  margin-top: var(--msm-space-12);
  padding: var(--msm-space-8);
  background: var(--msm-gradient-primary);
  border-radius: var(--msm-radius-xl);
  color: var(--msm-color-text-inverse);
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--msm-font-size-3xl);
  font-weight: var(--msm-font-weight-bold);
  line-height: 1;
  margin-bottom: var(--msm-space-2);
}

.stat-label {
  display: block;
  font-size: var(--msm-font-size-sm);
  opacity: 0.9;
}

.stat-icon {
  display: block;
  font-size: 32px;
  margin-bottom: var(--msm-space-3);
  opacity: 0.8;
}

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

/* Tablet */
@media (max-width: 991px) {
  .tier-1-grid {
    grid-template-columns: 1fr;
  }

  .tier-2-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tier-3-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .coverage-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 575px) {
  .service-areas {
    padding: var(--msm-space-12) 0;
  }

  .tier-1-cities-title,
  .tier-2-cities-title {
    font-size: var(--msm-font-size-xl);
  }

  .featured-city-card {
    padding: var(--msm-space-6);
  }

  .featured-city-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
  }

  .tier-2-grid {
    grid-template-columns: 1fr;
  }

  .tier-3-grid {
    grid-template-columns: 1fr;
  }

  .tier-3-cities-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--msm-space-3);
  }

  .coverage-stats {
    grid-template-columns: 1fr;
    gap: var(--msm-space-4);
  }
}

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

/* Focus styles */
.featured-city-card:focus,
.primary-city-link:focus,
.compact-city-link:focus {
  outline: 3px solid var(--msm-color-primary-500);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .featured-city-card,
  .primary-city-link,
  .compact-city-link,
  .cities-search-input {
    transition: none;
  }

  .featured-city-card::before {
    transition: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .featured-city-card,
  .primary-city-link,
  .compact-city-link {
    border-width: 2px;
  }
}

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

@media print {
  .service-areas {
    background: none;
  }

  .featured-city-card,
  .primary-city-link,
  .compact-city-link {
    box-shadow: none;
    border: 1px solid #000;
  }

  .coverage-stats {
    background: none;
    border: 2px solid #000;
    color: #000;
  }
}