/* ==========================================================================
   Hero & "How Can We Help You" Unit (الصفحة الرئيسية)
   ========================================================================== */

.hero-section {
  background: linear-gradient(135deg, #1C383C 0%, #24464B 60%, #2E565C 100%);
  color: #ffffff;
  padding-block: var(--space-12);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-10);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(229, 236, 231, 0.15);
  border: 1px solid rgba(229, 236, 231, 0.25);
  color: #E5ECE7;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-block-end: var(--space-4);
}

.hero-title {
  color: #ffffff;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-block-end: var(--space-4);
}

.hero-desc {
  color: #C5D4D6;
  font-size: var(--text-lg);
  line-height: 1.6;
  margin-block-end: var(--space-6);
  max-width: 55ch;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  border: 2px solid rgba(255, 255, 255, 0.1);
  aspect-ratio: 4 / 3;
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Unit: كيف نساعدك اليوم؟ */
.help-decision-unit {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-block-start: -3rem;
  position: relative;
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.help-header {
  text-align: center;
  margin-block-end: var(--space-6);
}

.help-header h2 {
  font-size: var(--text-2xl);
  color: var(--color-petrol);
  margin-block-end: var(--space-1);
}

.help-header p {
  color: var(--color-charcoal-muted);
  font-size: var(--text-sm);
  margin: 0 auto;
}

.help-path-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-block-end: var(--space-6);
}

.help-tab-btn {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: right;
}

.help-tab-btn:hover {
  border-color: var(--color-petrol);
  background-color: #EEF3F3;
}

.help-tab-btn.active {
  border-color: var(--color-copper);
  background-color: var(--color-copper-light);
}

.help-tab-btn .tab-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-surface);
  color: var(--color-petrol);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

.help-tab-btn.active .tab-icon {
  background-color: var(--color-copper);
  color: #ffffff;
}

.help-tab-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-petrol);
  display: block;
}

.help-tab-subtitle {
  font-size: var(--text-xs);
  color: var(--color-charcoal-muted);
  display: block;
}

.help-content-panel {
  display: none;
  animation: fadeIn 200ms ease;
}

.help-content-panel.active {
  display: block;
}

.help-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
}

.help-quick-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-charcoal);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.help-quick-card:hover {
  border-color: var(--color-copper);
  background-color: var(--color-surface);
  color: var(--color-copper);
  transform: translateY(-2px);
}

/* ==========================================================================
   Categories Grid
   ========================================================================== */

.category-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-copper);
}

.category-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #E8EEEE;
}

.category-card-body {
  padding: var(--space-4);
}

.category-card-count {
  font-size: var(--text-xs);
  color: var(--color-charcoal-muted);
  font-weight: 500;
}

/* ==========================================================================
   Shop Page Layout & Filters
   ========================================================================== */

.shop-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  margin-block: var(--space-6);
}

.filter-sidebar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: sticky;
  top: 90px;
  height: fit-content;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-end: var(--space-3);
  border-block-end: 1px solid var(--color-border);
  margin-block-end: var(--space-4);
}

.filter-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0;
}

.filter-section {
  padding-block: var(--space-4);
  border-block-end: 1px solid var(--color-border-subtle);
}

.filter-section:last-child {
  border-block-end: none;
}

.filter-section-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-petrol);
  margin-block-end: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-options-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-charcoal);
  cursor: pointer;
}

.filter-checkbox-label input[type="checkbox"] {
  accent-color: var(--color-copper);
  width: 16px;
  height: 16px;
}

.filter-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-petrol);
}

.filter-tag-pill button {
  background: none;
  border: none;
  color: var(--color-copper);
  cursor: pointer;
}

/* Shop Toolbar */
.shop-toolbar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
}

.shop-results-count {
  font-size: var(--text-sm);
  color: var(--color-charcoal-muted);
}

.shop-sort-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

/* ==========================================================================
   Product Detail Page
   ========================================================================== */

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  margin-block-end: var(--space-12);
}

.product-gallery {
  position: sticky;
  top: 90px;
}

.gallery-main-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  margin-block-end: var(--space-3);
}

.gallery-main-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-4);
  transition: transform var(--transition-fast);
}

.gallery-thumbnails {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-block-end: var(--space-2);
}

.gallery-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background-color: #ffffff;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}

.gallery-thumb.active {
  border-color: var(--color-copper);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Installation Upsell Box */
.installation-box {
  background-color: var(--color-surface-subtle);
  border: 1.5px solid #C0D0C8;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-block: var(--space-5);
}

.installation-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-2);
}

/* Similar Maintenance Banner */
.maintenance-link-box {
  background-color: #F8F4EE;
  border: 1px dashed var(--color-copper);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-block-start: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Specifications Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: var(--space-4);
}

.specs-table th,
.specs-table td {
  padding: var(--space-3) var(--space-4);
  border-block-end: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
}

.specs-table th {
  background-color: var(--color-bg);
  color: var(--color-petrol);
  width: 35%;
  text-align: right;
  font-weight: 600;
}

.specs-table td {
  color: var(--color-charcoal);
}

/* ==========================================================================
   Compare Page
   ========================================================================== */

.compare-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  margin-block: var(--space-6);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.compare-table th,
.compare-table td {
  padding: var(--space-4);
  border: 1px solid var(--color-border-subtle);
  text-align: right;
}

.compare-table th {
  background-color: var(--color-bg);
  color: var(--color-petrol);
  font-size: var(--text-sm);
  width: 25%;
}

.compare-product-col {
  width: 25%;
  vertical-align: top;
}

/* ==========================================================================
   Maintenance Booking Wizard (4 Steps)
   ========================================================================== */

.wizard-progress {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-block-end: var(--space-10);
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 20px;
  inset-inline: 40px;
  height: 3px;
  background-color: var(--color-border);
  z-index: 1;
}

.wizard-step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.step-circle {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  border: 3px solid var(--color-border);
  color: var(--color-charcoal-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.wizard-step-item.active .step-circle {
  border-color: var(--color-copper);
  background-color: var(--color-copper);
  color: #ffffff;
}

.wizard-step-item.completed .step-circle {
  border-color: var(--color-success);
  background-color: var(--color-success);
  color: #ffffff;
}

.step-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-charcoal-muted);
}

.wizard-step-item.active .step-label {
  color: var(--color-petrol);
  font-weight: 700;
}

.wizard-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  max-width: 760px;
  margin-inline: auto;
}

/* ==========================================================================
   Maintenance Tracker & Timeline
   ========================================================================== */

.timeline-tracker {
  position: relative;
  padding-inline-start: var(--space-8);
  margin-block: var(--space-8);
}

.timeline-tracker::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  inset-inline-start: 18px;
  width: 3px;
  background-color: var(--color-border);
}

.timeline-step {
  position: relative;
  margin-block-end: var(--space-6);
}

.timeline-step-icon {
  position: absolute;
  inset-inline-start: -38px;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--color-charcoal-muted);
}

.timeline-step.completed .timeline-step-icon {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: #ffffff;
}

.timeline-step.current .timeline-step-icon {
  background-color: var(--color-copper);
  border-color: var(--color-copper);
  color: #ffffff;
  box-shadow: 0 0 0 4px var(--color-copper-light);
}

/* Cost Breakdown Table */
.cost-breakdown-card {
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-block: var(--space-6);
}

.cost-row {
  display: flex;
  justify-content: space-between;
  padding-block: var(--space-2);
  font-size: var(--text-sm);
}

.cost-row.total {
  border-block-start: 2px solid var(--color-border);
  margin-block-start: var(--space-3);
  padding-block-start: var(--space-3);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-petrol);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}