/* ==========================================================================
   كتالوج المطابخ الفاخرة | Modern Kitchen Catalog Stylesheet
   تصميم مخصص لمعارض المطابخ الراقية - RTL Arabic Luxury Design
   ========================================================================== */

:root {
  /* لوحة الألوان الأساسية - درجات الفخامة الهادئة */
  --bg-primary: #FAF8F5;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-subtle: #F4EFEA;
  --bg-accent-tint: #F8F3EB;

  /* النصوص والتباين */
  --text-main: #1D1A16;
  --text-body: #4E4740;
  --text-muted: #847C73;
  --text-inverse: #FFFFFF;

  /* اللون المميز (الذهبي الشامبين الدافئ) */
  --accent-gold: #B89358;
  --accent-gold-dark: #9F7B42;
  --accent-gold-light: #DFCA9E;
  --accent-gold-bg: rgba(184, 147, 88, 0.12);

  /* لون واتساب */
  --whatsapp-color: #25D366;
  --whatsapp-hover: #20BD5A;
  --whatsapp-shadow: rgba(37, 211, 102, 0.28);

  /* الحدود والظلال */
  --border-light: #ECE7E1;
  --border-medium: #DDD6CE;
  --border-active: #B89358;

  --shadow-sm: 0 2px 8px rgba(35, 25, 15, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(35, 25, 15, 0.08);
  --shadow-lg: 0 16px 40px -8px rgba(35, 25, 15, 0.12);
  --shadow-active: 0 12px 28px -4px rgba(184, 147, 88, 0.24);

  /* الخطوط */
  --font-arabic: 'Tajawal', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-latin: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* نصف القطر والانتقالات */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* إعادة التعيين العام */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-arabic);
  background-color: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.6;
  direction: rtl;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* شريط الترويسة */
/* شريط الترويسة العلوي */
.site-header {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--bg-accent-tint), #EDE4D6);
  color: var(--accent-gold-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(184, 147, 88, 0.25);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  justify-content: center;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.3px;
  white-space: nowrap;
  line-height: 1.25;
}

.brand-subtitle {
  font-size: 0.74rem;
  font-family: var(--font-latin);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
  white-space: nowrap;
  line-height: 1.2;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-accent-tint);
  color: var(--accent-gold-dark);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(184, 147, 88, 0.25);
  white-space: nowrap;
  user-select: none;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(184, 147, 88, 0.25);
  flex-shrink: 0;
  animation: pulseBadgeDot 2s infinite ease-in-out;
}

@keyframes pulseBadgeDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.75; }
}

.header-qr-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.header-qr-btn:hover {
  background-color: var(--bg-subtle);
  border-color: var(--accent-gold);
  color: var(--accent-gold-dark);
  transform: scale(1.05);
}

/* الحاوية الرئيسية */
.main-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 60px;
  flex: 1;
  width: 100%;
}

/* قسم العنوان التمهيدي */
.intro-section {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold-dark);
  background-color: var(--bg-accent-tint);
  padding: 4px 16px;
  border-radius: 999px;
  margin-bottom: 12px;
  border: 1px solid rgba(184, 147, 88, 0.2);
}

.main-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.main-description {
  font-size: 1.15rem;
  color: var(--text-body);
  font-weight: 400;
}

/* شبكة محتوى الكتالوج (العمودان) */
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 36px;
  align-items: start;
}

/* العمود الأيمن: المعاينة البصرية والخيارات */
.visualizer-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* بطاقة الصورة الرئيسية */
.preview-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
}

/* شريط أدوات المعاينة العلوي */
.preview-toolbar {
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  background-color: #FAFAFA;
}

.active-color-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: var(--bg-surface);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.pill-swatch {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 0, 0, 0.15);
  display: inline-block;
  background-color: #8A8275;
}

.action-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-arabic);
  transition: all var(--transition-fast);
}

.action-icon-btn:hover {
  background-color: var(--bg-subtle);
  border-color: var(--accent-gold);
  color: var(--accent-gold-dark);
}

/* مسرح الصورة التفاعلي */
.image-stage {
  position: relative;
  width: 100%;
  background-color: #161412;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  max-height: 680px;
  aspect-ratio: 9 / 14;
  cursor: zoom-in;
  user-select: none;
  touch-action: pan-y;
}

/* طبقات الصور للانتقال التدريجي فائق النعومة */
.kitchen-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.38s cubic-bezier(0.16, 1, 0.3, 1), transform 0.42s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
  pointer-events: none;
}

.kitchen-img.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
  z-index: 2;
}

.kitchen-img.exiting {
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
  z-index: 1;
}

/* أسهم التنقل السريع باللمس للهاتف */
.stage-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 15;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(22, 20, 18, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  -webkit-tap-highlight-color: transparent;
}

.stage-nav-prev {
  right: 14px;
}

.stage-nav-next {
  left: 14px;
}

.stage-nav-btn:hover {
  background: rgba(22, 20, 18, 0.85);
  border-color: var(--accent-gold);
  color: var(--accent-gold-light);
  transform: translateY(-50%) scale(1.08);
}

.stage-nav-btn:active {
  transform: translateY(-50%) scale(0.95);
}

/* مؤشرات النقاط السريعة للهاتف (Dots Indicator) */
.stage-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 16, 14, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.stage-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: none;
  padding: 0;
}

.stage-dot.active {
  width: 22px;
  border-radius: 999px;
  background-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(184, 147, 88, 0.6);
}

/* شارة إرشادية للسحب على شاشات الهاتف */
.swipe-hint-pill {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  background: rgba(18, 16, 14, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  pointer-events: none;
  animation: subtleHintFloat 3s ease-in-out infinite;
  transition: opacity 0.4s ease;
}

@keyframes subtleHintFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.85; }
  50% { transform: translateX(-50%) translateY(-3px); opacity: 1; }
}

.image-overlay-hint {
  position: absolute;
  bottom: 46px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(20, 18, 16, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 12;
}

.image-stage:hover .image-overlay-hint {
  opacity: 1;
}

/* شريط معلومات البطاقة السفلي */
.preview-footer-bar {
  padding: 14px 20px;
  background-color: #FAFAFA;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.model-badge {
  font-size: 0.9rem;
  color: var(--text-body);
}

.model-badge .label {
  color: var(--text-muted);
  margin-left: 4px;
}

.model-badge .value {
  color: var(--text-main);
}

.counter-badge {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* قسم خيارات الألوان */
.swatches-section {
  background-color: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.swatches-header {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.swatches-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.swatches-subhint {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* شبكة كروت الألوان */
.swatches-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

/* بطاقة اللون التفاعلية */
.swatch-card {
  position: relative;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.swatch-card:hover {
  border-color: var(--accent-gold-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.swatch-card:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

/* عند اختيار اللون - أنميشن نابض وفخم */
@keyframes swatchPop {
  0% { transform: scale(0.96); }
  50% { transform: scale(1.02); }
  100% { transform: translateY(-2px); }
}

@keyframes badgePop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.25); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.swatch-card.active {
  border-color: var(--accent-gold);
  background-color: var(--bg-accent-tint);
  box-shadow: var(--shadow-active);
  transform: translateY(-2px);
  animation: swatchPop 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* شارة الاختيار النشطة (Checkmark) */
.active-check-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 22px;
  height: 22px;
  background-color: var(--accent-gold);
  color: #FFFFFF;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(184, 147, 88, 0.4);
}

.swatch-card.active .active-check-badge {
  display: flex;
  animation: badgePop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* دائرة العينة اللونية */
.swatch-circle-wrap {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  padding: 3px;
  border: 1px solid var(--border-medium);
  background-color: #FFFFFF;
  margin-bottom: 12px;
  transition: transform var(--transition-fast);
}

.swatch-card:hover .swatch-circle-wrap,
.swatch-card.active .swatch-circle-wrap {
  transform: scale(1.06);
}

.swatch-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* نصوص بطاقة اللون */
.swatch-name-ar {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.swatch-name-en {
  font-size: 0.75rem;
  font-family: var(--font-latin);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.swatch-hex-pill {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-body);
  background-color: var(--bg-subtle);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  letter-spacing: 0.5px;
}

.swatch-card.active .swatch-hex-pill {
  background-color: #FFFFFF;
  border-color: rgba(184, 147, 88, 0.3);
  color: var(--accent-gold-dark);
}

/* العمود الأيسر: بطاقة التفاصيل والواتساب */
.sidebar-column {
  position: sticky;
  top: 92px;
}

.details-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.details-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
}

.details-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.status-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: #1E7E34;
  background-color: #E8F5E9;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(46, 125, 50, 0.2);
}

/* قائمة المواصفات */
.spec-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background-color: #FAF8F5;
  border: 1px solid var(--border-light);
}

.spec-item.highlight-spec {
  background-color: var(--bg-accent-tint);
  border-color: rgba(184, 147, 88, 0.3);
}

.spec-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold-dark);
  flex-shrink: 0;
  border: 1px solid var(--border-light);
}

.spec-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.spec-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.price-note {
  color: var(--accent-gold-dark);
}

/* صندوق ملخص اللون الحالي */
.selected-summary-box {
  background-color: var(--bg-subtle);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.summary-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.summary-color-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.summary-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  background-color: #8A8275;
  flex-shrink: 0;
}

.summary-color-en {
  font-size: 0.8rem;
  font-family: var(--font-latin);
  color: var(--text-muted);
  margin-right: 6px;
}

/* زر واتساب الكبير الفخم */
.whatsapp-cta-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: var(--whatsapp-color);
  color: #FFFFFF;
  text-decoration: none;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  font-size: 1.05rem;
  font-weight: 800;
  box-shadow: 0 8px 20px var(--whatsapp-shadow);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  min-height: 56px;
}

.whatsapp-btn:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.38);
}

.whatsapp-btn:active {
  transform: translateY(0);
}

.whatsapp-svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.cta-micro-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

/* مزايا المعرض */
.showroom-perks {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}

.perk-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-body);
}

.perk-check {
  color: var(--accent-gold-dark);
  font-weight: 800;
}

/* صندوق المشاركة و QR */
.share-box {
  background-color: #FAF8F5;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
}

.share-box-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.share-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 12px;
}

.btn-secondary {
  width: 100%;
  padding: 10px 16px;
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-arabic);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--accent-gold);
  color: var(--accent-gold-dark);
}

/* نافذة تكبير الصورة (Lightbox Modal) */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 13, 11, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.lightbox-close-btn {
  position: absolute;
  top: -46px;
  left: 0;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox-close-btn:hover {
  background: rgba(255, 255, 255, 0.35);
}

.lightbox-image-wrapper {
  background-color: #000000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  max-height: 82vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image-wrapper img {
  max-width: 85vw;
  max-height: 80vh;
  object-fit: contain;
  display: block;
}

.lightbox-caption {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.6);
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* نافذة QR والمشاركة */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.qr-modal.active {
  display: flex;
}

.qr-modal-dialog {
  position: relative;
  z-index: 2;
  background-color: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.qr-dialog-body {
  text-align: center;
}

.qr-dialog-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.qr-dialog-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.qr-canvas-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background-color: #FFFFFF;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-sm);
  width: 220px;
  height: 220px;
}

.qr-canvas-container canvas,
.qr-canvas-container svg {
  max-width: 100%;
  height: auto;
}

.qr-url-box {
  margin-bottom: 16px;
  text-align: right;
}

.url-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
}

.url-input-wrap {
  display: flex;
  gap: 8px;
}

.url-field {
  flex: 1;
  padding: 10px 14px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: var(--font-latin);
  font-size: 0.85rem;
  color: var(--text-main);
}

.copy-url-btn {
  padding: 10px 16px;
  background-color: var(--accent-gold);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-arabic);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.copy-url-btn:hover {
  background-color: var(--accent-gold-dark);
}

.copy-success-msg {
  display: none;
  font-size: 0.8rem;
  color: #1E7E34;
  font-weight: 700;
  margin-top: 6px;
  text-align: center;
}

.copy-success-msg.show {
  display: block;
}

.qr-note-footer {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* تذييل الصفحة */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 20px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: auto;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

/* ==========================================================================
   الشريط السفلي الثابت للهواتف الذكية (Sticky Mobile Action Bar)
   ========================================================================== */

.mobile-sticky-bar {
  display: none; /* مخفي في شاشات الحواسيب الكبيرة */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-medium);
  box-shadow: 0 -4px 20px rgba(35, 25, 15, 0.1);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  animation: slideUpBar 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUpBar {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.mobile-bar-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mobile-bar-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  background-color: #8A8275;
  flex-shrink: 0;
  transition: background-color 0.3s ease;
}

.mobile-bar-texts {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mobile-bar-color {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-bar-model {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.mobile-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--whatsapp-color);
  color: #FFFFFF;
  text-decoration: none;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  box-shadow: 0 4px 14px var(--whatsapp-shadow);
  flex-shrink: 0;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.mobile-whatsapp-btn:active {
  transform: scale(0.96);
  background-color: var(--whatsapp-hover);
}

/* ==========================================================================
   التجاوب مع الشاشات والأجهزة اللوحية والهواتف (Mobile-First Experience)
   ========================================================================== */

@media (max-width: 1024px) {
  .catalog-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sidebar-column {
    position: static;
  }

  /* إظهار الشريط الثابت للهواتف والأجهزة اللوحية */
  .mobile-sticky-bar {
    display: flex;
  }

  /* إعطاء مسافة سفلية للمحتوى حتى لا يختفي خلف الشريط الثابت */
  .main-wrapper {
    padding-bottom: calc(90px + env(safe-area-inset-bottom, 0px));
  }

  .site-footer {
    padding-bottom: calc(90px + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 10px 14px;
    gap: 8px;
  }

  .brand-icon {
    width: 38px;
    height: 38px;
  }

  .brand-title {
    font-size: 1rem;
    white-space: nowrap;
  }

  .brand-subtitle {
    display: none; /* إخفاء النص الفرعي على شاشات الهواتف لمنع التزاحم والنزول لسطر إضافي */
  }

  .header-actions {
    gap: 6px;
  }

  .header-badge {
    font-size: 0.78rem;
    padding: 4px 10px;
    gap: 6px;
    white-space: nowrap;
  }

  .header-qr-btn {
    width: 34px;
    height: 34px;
  }

  .main-wrapper {
    padding: 16px 14px calc(90px + env(safe-area-inset-bottom, 0px));
  }

  .intro-section {
    margin-bottom: 20px;
  }

  .main-title {
    font-size: 1.65rem;
  }

  .main-description {
    font-size: 0.95rem;
  }

  /* تحسين نسبة أبعاد مسرح الصورة لتناسب الشاشات الرأسية للهواتف */
  .image-stage {
    min-height: 380px;
    max-height: 520px;
    aspect-ratio: 9 / 13;
  }

  .stage-nav-btn {
    width: 38px;
    height: 38px;
  }

  .stage-nav-prev {
    right: 8px;
  }

  .stage-nav-next {
    left: 8px;
  }

  /* تنظيم خيارات الألوان في شبكة 2x2 واضحة ومريحة للضغط بالإبهام */
  .swatches-section {
    padding: 18px 14px;
    border-radius: var(--radius-lg);
  }

  .swatches-header {
    margin-bottom: 14px;
  }

  .swatches-title {
    font-size: 1.1rem;
  }

  .swatches-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .swatch-card {
    padding: 14px 10px;
    border-radius: var(--radius-md);
  }

  .swatch-circle-wrap {
    width: 50px;
    height: 50px;
    margin-bottom: 8px;
  }

  .swatch-name-ar {
    font-size: 0.95rem;
  }

  .details-card {
    padding: 18px 16px;
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 8px 12px;
    gap: 6px;
  }

  .brand-wrapper {
    gap: 8px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
  }

  .brand-icon svg {
    width: 17px;
    height: 17px;
  }

  .brand-title {
    font-size: 0.88rem;
    white-space: nowrap;
  }

  .header-actions {
    gap: 5px;
  }

  .header-badge {
    font-size: 0.7rem;
    padding: 3px 7px;
    gap: 4px;
    white-space: nowrap;
  }

  .badge-dot {
    width: 6px;
    height: 6px;
  }

  .header-qr-btn {
    width: 30px;
    height: 30px;
  }

  .header-qr-btn svg {
    width: 14px;
    height: 14px;
  }

  .main-title {
    font-size: 1.45rem;
  }

  .image-stage {
    min-height: 340px;
    max-height: 460px;
  }

  .swipe-hint-pill {
    font-size: 0.7rem;
    padding: 3px 10px;
  }

  .mobile-bar-info {
    gap: 8px;
  }

  .mobile-bar-swatch {
    width: 28px;
    height: 28px;
  }

  .mobile-bar-color {
    font-size: 0.88rem;
  }

  .mobile-whatsapp-btn {
    padding: 9px 15px;
    font-size: 0.85rem;
  }
}