/**
 * Jawhara Establishment Luxury Website - Components CSS
 * مؤسسة جوهرة للمقاولات والتشطيبات الفاخرة — تنسيق مكونات الواجهة الفاخرة
 */

/* ==========================================================================
   1. Sticky Header & Luxury Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: var(--header-height);
  background: rgba(13, 13, 17, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-marble-border);
  z-index: var(--z-sticky);
  transition: var(--transition-base);
}

.site-header.scrolled {
  background: rgba(13, 13, 17, 0.96);
  border-bottom-color: var(--color-gold-dark);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-emblem {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-marble-surface) 0%, var(--color-marble-dark) 100%);
  border: 1px solid var(--color-gold-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-highlight);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-greige-offwhite);
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--color-gold-warm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-greige-stone);
  position: relative;
  padding-block: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold-highlight);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline: 50%;
  height: 2px;
  background: var(--color-gold-radiant);
  transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  inset-inline: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  color: var(--color-gold-highlight);
  font-size: 1.4rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Mobile Drawer Menu */
.mobile-menu-drawer {
  position: fixed;
  inset-block-start: var(--header-height);
  inset-inline-start: 0;
  inset-inline-end: 0;
  background: rgba(18, 18, 24, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid var(--color-gold-warm);
  padding: 1.5rem var(--container-pad) 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
  z-index: calc(var(--z-sticky) - 1);
}

.mobile-menu-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-link {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-greige-offwhite);
  padding-block: 0.65rem;
  border-bottom: 1px solid var(--color-marble-border);
}

.mobile-nav-link:hover {
  color: var(--color-gold-highlight);
  padding-inline-start: 0.5rem;
}

/* ==========================================================================
   2. Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-marble-black);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-backdrop-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.38) contrast(1.15);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 30%, rgba(212, 175, 55, 0.12) 0%, transparent 60%),
              linear-gradient(180deg, rgba(13, 13, 17, 0.75) 0%, rgba(13, 13, 17, 0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero-badge-tag {
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-greige-stone);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.hero-highlight-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--color-gold-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-highlight);
  flex-shrink: 0;
}

.hero-highlight-text strong {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  color: var(--color-greige-offwhite);
}

.hero-highlight-text span {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   3. Trust Badges & Municipalities Coverage
   ========================================================================== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.trust-card {
  padding: 2rem 1.5rem;
  text-align: center;
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.trust-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-warm);
  box-shadow: var(--shadow-gold);
}

.trust-card-icon {
  width: 60px;
  height: 60px;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2) 0%, rgba(212, 175, 55, 0.05) 100%);
  border: 1px solid var(--color-gold-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--color-gold-highlight);
}

.trust-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.trust-card p {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.cities-badge-bar {
  margin-top: 3rem;
  padding: 1.5rem;
  background: rgba(22, 22, 29, 0.7);
  border: 1px dashed var(--color-marble-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.cities-title {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--font-size-base);
  color: var(--color-gold-highlight);
  margin-bottom: 0.75rem;
}

.cities-tags-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
}

.city-tag {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--color-marble-elevated);
  border: 1px solid var(--color-marble-border);
  font-size: var(--font-size-sm);
  color: var(--color-greige-stone);
}

/* ==========================================================================
   4. Services Showcase Grid
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2rem;
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-xl);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold-warm), var(--color-gold-highlight));
  opacity: 0;
  transition: var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-warm);
  box-shadow: var(--shadow-elevated);
}

.service-card:hover::before {
  opacity: 1;
}

.service-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--color-gold-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-gold-highlight);
}

.service-price-tag {
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-marble-border);
}

.service-price-val {
  font-family: var(--font-primary);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-gold-highlight);
}

.service-price-unit {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--color-greige-stone);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features-list {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.service-feature-item::before {
  content: '✓';
  color: var(--color-gold-radiant);
  font-weight: bold;
}

.service-card-action {
  margin-top: auto;
}

/* ==========================================================================
   5. Authentic Portfolio Gallery & Filter Tabs
   ========================================================================== */
.gallery-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.gallery-tab-btn {
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-greige-stone);
  transition: var(--transition-fast);
  cursor: pointer;
}

.gallery-tab-btn:hover {
  border-color: var(--color-gold-warm);
  color: var(--color-gold-highlight);
}

.gallery-tab-btn.active {
  background: linear-gradient(135deg, var(--color-gold-highlight) 0%, var(--color-gold-radiant) 100%);
  color: var(--color-marble-black);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  cursor: pointer;
  aspect-ratio: 4 / 3;
  transition: var(--transition-base);
}

.gallery-card.tall {
  aspect-ratio: 3 / 4;
}

.gallery-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-gold-warm);
  box-shadow: var(--shadow-elevated);
}

.gallery-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover .gallery-card-img {
  transform: scale(1.06);
}

.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13, 13, 17, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0.9;
  transition: var(--transition-base);
}

.gallery-card:hover .gallery-card-overlay {
  opacity: 1;
  background: linear-gradient(180deg, rgba(13, 13, 17, 0.2) 0%, rgba(13, 13, 17, 0.98) 100%);
}

.gallery-card-badge {
  align-self: flex-start;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-xs);
  background: rgba(212, 175, 55, 0.9);
  color: var(--color-marble-black);
  font-family: var(--font-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.gallery-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-greige-offwhite);
  line-height: 1.4;
}

.gallery-card-view-btn {
  position: absolute;
  top: 1rem;
  inset-inline-end: 1rem;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(13, 13, 17, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-gold-warm);
  color: var(--color-gold-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(-8px);
  transition: var(--transition-base);
}

.gallery-card:hover .gallery-card-view-btn {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   6. Before & After Comparison Slider
   ========================================================================== */
.before-after-box {
  max-width: 1000px;
  margin-inline: auto;
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-elevated);
}

.before-after-wrapper {
  direction: ltr;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  user-select: none;
}

.before-after-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-after {
  z-index: 1;
}

.img-before-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  z-index: 2;
  overflow: hidden;
}

.img-before-container .before-after-img {
  width: 1000px; /* Synchronized to wrapper width dynamically in main.js */
  max-width: none;
}

.slider-divider-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--color-gold-highlight);
  box-shadow: 0 0 12px var(--color-gold-glow);
  z-index: 3;
  transform: translateX(-50%);
  pointer-events: none;
}

.slider-handle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-marble-black);
  border: 2px solid var(--color-gold-highlight);
  box-shadow: var(--shadow-gold-hover);
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-highlight);
  font-size: 1.25rem;
}

.before-after-tag {
  position: absolute;
  bottom: 1.25rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(13, 13, 17, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-marble-border);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-greige-offwhite);
  z-index: 4;
}

.tag-before {
  left: 1.25rem;
  right: auto;
}

.tag-after {
  right: 1.25rem;
  left: auto;
}

.before-after-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 5;
  cursor: ew-resize;
  margin: 0;
}

/* ==========================================================================
   7. Video Showcase Reels & Modal
   ========================================================================== */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.video-reel-card {
  position: relative;
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
}

.video-reel-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-gold-warm);
  box-shadow: var(--shadow-elevated);
}

.video-thumb-container {
  position: relative;
  aspect-ratio: 9 / 16;
  max-height: 480px;
  overflow: hidden;
  background: #000;
  cursor: pointer;
}

.video-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-reel-card:hover .video-poster-img {
  transform: scale(1.05);
}

.video-play-overlay-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: rgba(212, 175, 55, 0.9);
  color: var(--color-marble-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 0 25px rgba(212, 175, 55, 0.6);
  transition: var(--transition-base);
}

.video-thumb-container:hover .video-play-overlay-btn {
  transform: translate(-50%, -50%) scale(1.15);
  background: var(--color-gold-highlight);
}

.video-duration-pill {
  position: absolute;
  top: 1rem;
  inset-inline-start: 1rem;
  background: rgba(13, 13, 17, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-marble-border);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-greige-offwhite);
  font-weight: 600;
}

.video-info {
  padding: 1.5rem;
}

.video-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.video-desc {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================================================
   8. 5-Step Customer Experience Journey Timeline
   ========================================================================== */
.journey-timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 960px;
  margin-inline: auto;
  position: relative;
}

.journey-timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  bottom: 30px;
  inset-inline-start: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold-highlight) 0%, var(--color-gold-dark) 100%);
}

.journey-step-card {
  display: flex;
  gap: 2rem;
  position: relative;
  align-items: flex-start;
}

.journey-step-marker {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: var(--color-marble-black);
  border: 2px solid var(--color-gold-radiant);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-gold-highlight);
  flex-shrink: 0;
  z-index: 1;
}

.journey-step-body {
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  flex-grow: 1;
  transition: var(--transition-base);
}

.journey-step-card:hover .journey-step-body {
  border-color: var(--color-gold-warm);
  transform: translateX(-4px);
}

.journey-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.journey-step-title {
  font-size: 1.35rem;
  color: var(--color-gold-highlight);
}

.journey-step-desc {
  font-size: var(--font-size-base);
  color: var(--color-greige-stone);
  line-height: 1.7;
}

/* ==========================================================================
   9. Interactive Cost Calculator
   ========================================================================== */
.calculator-box {
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  box-shadow: var(--shadow-elevated);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.calc-group {
  margin-bottom: 2rem;
}

.calc-group-label {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-greige-offwhite);
  margin-bottom: 0.85rem;
}

/* Service Buttons / Radios */
.calc-service-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.calc-choice-label {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--color-marble-elevated);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.calc-choice-label input {
  display: none;
}

.calc-choice-label:hover {
  border-color: var(--color-gold-warm);
}

.calc-choice-label.active,
.calc-choice-label:has(input:checked) {
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--color-gold-radiant);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
}

.calc-choice-title {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-greige-offwhite);
  margin-bottom: 0.25rem;
}

.calc-choice-price {
  font-size: var(--font-size-xs);
  color: var(--color-gold-warm);
}

/* Area Input Sync */
.calc-area-control {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.calc-area-inputs {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.calc-number-input {
  width: 110px;
  padding: 0.75rem 1rem;
  background: var(--color-marble-elevated);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold-highlight);
  text-align: center;
}

.calc-number-input:focus {
  border-color: var(--color-gold-highlight);
}

.calc-range-slider {
  flex-grow: 1;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-marble-border);
  outline: none;
  cursor: pointer;
  accent-color: var(--color-gold-radiant);
}

/* Addons Checkboxes */
.calc-addons-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-addon-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: var(--color-marble-elevated);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.calc-addon-item:hover {
  border-color: var(--color-gold-warm);
}

.calc-addon-item:has(input:checked) {
  border-color: var(--color-gold-radiant);
  background: rgba(212, 175, 55, 0.08);
}

.calc-addon-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.calc-addon-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-gold-radiant);
  cursor: pointer;
}

.calc-addon-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-greige-offwhite);
}

.calc-addon-price {
  font-size: var(--font-size-xs);
  color: var(--color-gold-highlight);
  font-weight: 700;
}

/* Results Panel Card */
.calc-results-panel {
  background: var(--color-marble-dark);
  border: 1px solid var(--color-gold-warm);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.calc-results-title {
  font-size: 1.35rem;
  border-bottom: 1px solid var(--color-marble-border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.calc-breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.calc-breakdown-row.total-row {
  border-top: 1px solid var(--color-marble-border);
  padding-top: 1rem;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-greige-offwhite);
}

.calc-estimate-range-box {
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--color-gold-glow);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 2rem;
}

.range-label {
  font-size: var(--font-size-xs);
  color: var(--color-gold-warm);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.range-val {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-gold-highlight);
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==========================================================================
   10. Modals System (Dialogs)
   ========================================================================== */
dialog {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 90vw;
  max-height: 90vh;
  margin: auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
}

dialog::backdrop {
  background: rgba(13, 13, 17, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.modal-container {
  background: var(--color-marble-surface);
  border: 1px solid var(--color-gold-warm);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-marble-border);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-marble-elevated);
  border: 1px solid var(--color-marble-border);
  color: var(--color-greige-offwhite);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-gold-warm);
  color: var(--color-marble-black);
}

/* Booking Modal Form */
.booking-form-box {
  width: 580px;
  max-width: 95vw;
}

.booking-form {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-greige-offwhite);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-marble-elevated);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-greige-offwhite);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-gold-radiant);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.form-feedback {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  display: none;
}

.form-feedback.visible {
  display: block;
}

/* Video Modal */
.video-modal-box {
  width: 680px;
  max-width: 95vw;
  background: #000;
}

.video-player-container {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 80vh;
  background: #000;
}

.video-player-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Lightbox Modal */
.lightbox-box {
  width: 900px;
  max-width: 95vw;
  background: var(--color-marble-black);
}

.lightbox-img-container {
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
}

.lightbox-img-container img {
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--color-marble-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   11. Testimonials & Client Reviews
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  padding: 2.25rem 2rem;
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-warm);
  box-shadow: var(--shadow-elevated);
}

.testimonial-stars {
  color: var(--color-gold-highlight);
  font-size: 1.25rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.testimonial-quote {
  font-size: var(--font-size-base);
  color: var(--color-greige-stone);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--color-marble-border);
  padding-top: 1.25rem;
}

.testimonial-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--color-gold-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--color-gold-highlight);
}

.testimonial-author-name {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--font-size-base);
  color: var(--color-greige-offwhite);
}

.testimonial-author-location {
  font-size: var(--font-size-xs);
  color: var(--color-gold-warm);
}

/* ==========================================================================
   12. FAQ Accordion
   ========================================================================== */
.faq-accordion-list {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--color-marble-surface);
  border: 1px solid var(--color-marble-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-gold-warm);
  box-shadow: var(--shadow-subtle);
}

.faq-summary {
  padding: 1.35rem 1.75rem;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-greige-offwhite);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-gold-highlight);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-summary::after {
  content: '−';
}

.faq-answer {
  padding: 0 1.75rem 1.5rem;
  font-size: var(--font-size-base);
  color: var(--color-greige-stone);
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.25rem;
}

/* ==========================================================================
   13. Luxury Architectural Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-marble-dark);
  border-top: 1px solid var(--color-marble-border);
  padding-block: 4.5rem 2.5rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  font-family: var(--font-primary);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-gold-highlight);
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.footer-link:hover {
  color: var(--color-gold-highlight);
  padding-inline-start: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--color-greige-stone);
  margin-bottom: 0.85rem;
}

.footer-bottom-bar {
  border-top: 1px solid var(--color-marble-border);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

/* ==========================================================================
   14. Mobile Floating Quick Action Bar
   ========================================================================== */
.mobile-floating-bar {
  display: none;
  position: fixed;
  bottom: 0;
  inset-inline: 0;
  height: var(--mobile-bar-height);
  background: rgba(18, 18, 24, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-gold-warm);
  z-index: var(--z-floating);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.6);
}

.floating-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
  padding-inline: 1rem;
}

.floating-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  color: var(--color-greige-offwhite);
  font-size: 0.75rem;
  font-family: var(--font-primary);
  font-weight: 600;
}

.floating-action-btn.btn-whatsapp {
  color: #25D366;
}

.floating-action-btn.btn-calc {
  color: var(--color-gold-highlight);
}