/* ==========================================
   🎨 متغیرهای تم (Dark = پیش‌فرض)
========================================== */
:root {
  --bg-main: #0A192F;
  --bg-card: rgba(17, 34, 64, 0.4);
  --bg-card-hover: rgba(17, 34, 64, 0.7);
  --bg-modal: #112240;
  --bg-footer: #060F1F;
  --bg-input: rgba(10, 25, 47, 0.6);
  --bg-input-focus: rgba(10, 25, 47, 0.9);
  --bg-overlay: rgba(10, 25, 47, 0.85);
  --bg-header: rgba(10, 25, 47, 0.8);
  --bg-skeleton: rgba(17, 34, 64, 0.4);

  --text-primary: #E6F1FF;
  --text-white: #FFFFFF;
  --text-slate: #8892B0;
  --text-slateLight: #A8B2D1;

  --accent: #64FFDA;
  --accent-hover: #7CFFE0;
  --accent-bg: rgba(100, 255, 218, 0.1);
  --accent-border: rgba(100, 255, 218, 0.2);
  --accent-border-strong: rgba(100, 255, 218, 0.45);

  --border-soft: rgba(255, 255, 255, 0.05);
  --border-card: rgba(100, 255, 218, 0.1);
  --border-card-hover: rgba(100, 255, 218, 0.4);

  --shadow-card: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 20px rgba(100, 255, 218, 0.05);
  --shadow-modal: 0 25px 60px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 0 20px rgba(100, 255, 218, 0.28);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* 🌞 حالت روشن */
body.light-mode {
  --bg-main: #F0F4F8;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-modal: #FFFFFF;
  --bg-footer: #E2E8F0;
  --bg-input: rgba(255, 255, 255, 0.9);
  --bg-input-focus: #FFFFFF;
  --bg-overlay: rgba(240, 244, 248, 0.85);
  --bg-header: rgba(255, 255, 255, 0.85);
  --bg-skeleton: rgba(203, 213, 225, 0.6);

  --text-primary: #0F172A;
  --text-white: #0A192F;
  --text-slate: #475569;
  --text-slateLight: #334155;

  --accent: #0D9488;
  --accent-hover: #0F766E;
  --accent-bg: rgba(13, 148, 136, 0.1);
  --accent-border: rgba(13, 148, 136, 0.25);
  --accent-border-strong: rgba(13, 148, 136, 0.5);

  --border-soft: rgba(0, 0, 0, 0.08);
  --border-card: rgba(13, 148, 136, 0.15);
  --border-card-hover: rgba(13, 148, 136, 0.45);

  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(13, 148, 136, 0.05);
  --shadow-modal: 0 25px 60px rgba(0, 0, 0, 0.15);
  --shadow-accent: 0 0 20px rgba(13, 148, 136, 0.2);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* ==========================================
   انتقال نرم بین تم‌ها
========================================== */
body, body * {
  transition: background-color 0.35s ease, border-color 0.35s ease,
              color 0.35s ease, box-shadow 0.35s ease;
}

/* جلوگیری از پرش هنگام لود اولیه */
body.no-transition, body.no-transition * { transition: none !important; }

/* ==========================================
   استایل‌های پایه
========================================== */
html { scroll-behavior: smooth; }

body {
  font-family: 'Vazirmatn', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-slate);
  overflow-x: hidden;
}

h1, p, span, div, h2, h3 { background-color: transparent; }

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -10;
  pointer-events: none;
  background:
    radial-gradient(circle at 85% 8%, rgba(100, 255, 218, 0.10), transparent 42%),
    radial-gradient(circle at 12% 85%, rgba(100, 140, 255, 0.08), transparent 45%);
}
body.light-mode .bg-glow {
  background:
    radial-gradient(circle at 85% 8%, rgba(13, 148, 136, 0.08), transparent 42%),
    radial-gradient(circle at 12% 85%, rgba(59, 130, 246, 0.06), transparent 45%);
}

::selection { background: var(--accent-bg); color: var(--text-white); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: #1D2D50; border-radius: 10px; border: 2px solid var(--bg-main); }
body.light-mode ::-webkit-scrollbar-thumb { background: #CBD5E1; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ==========================================
   هدر و نوار پیشرفت
========================================== */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  right: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent) 0%, #4EA8FF 100%);
  z-index: 100;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--accent);
}

/* ==========================================
   دکمه‌ها
========================================== */
.back-btn {
  border: 1px solid var(--accent-border-strong);
  color: var(--accent);
  transition: all 0.28s ease;
}
.back-btn:hover {
  background: var(--accent-bg);
  box-shadow: var(--shadow-accent);
  /* transform: translateY(-2px); */
}

/* 🆕 دکمه تغییر تم */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--accent-border-strong);
  color: var(--accent);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.28s ease;
  font-size: 1rem;
}
.theme-toggle:hover {
  background: var(--accent-bg);
  box-shadow: var(--shadow-accent);
  transform: rotate(20deg) scale(1.05);
}

.filter-btn {
  border: 1px solid var(--accent-border-strong);
  color: var(--text-slateLight);
  background: transparent;
  transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  white-space: nowrap;
}
.filter-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-bg);
  /* transform: translateY(-2px); */
}
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-main);
  font-weight: 700;
  box-shadow: var(--shadow-accent);
}

/* ==========================================
   تایپوگرافی و انیمیشن
========================================== */
.accent-gradient {
  background: linear-gradient(90deg, var(--accent) 0%, #4EA8FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.75s ease-out both; }
.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.26s; }
.delay-3 { animation-delay: 0.4s; }

/* ==========================================
   نوار جستجو
========================================== */
.search-wrapper { position: relative; max-width: 500px; margin: 0 auto; }
.search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--accent-border);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 0.75rem 3rem 0.75rem 3rem;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  outline: none;
  font-family: inherit;
}
.search-input::placeholder { color: var(--text-slate); }
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
  background: var(--bg-input-focus);
}
.search-icon {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.9rem;
  pointer-events: none;
}
.search-clear {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-slate);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}
.search-clear.visible { opacity: 1; visibility: visible; }
.search-clear:hover { color: var(--accent); }

/* ==========================================
   کارت پروژه
========================================== */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  animation: fadeUp 0.5s ease-out both;
  cursor: pointer;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.3s ease, border-color 0.35s ease, box-shadow 0.35s ease, background-color 0.35s ease;
}
.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-card);
}
.card-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 0.75rem;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}
.project-card:hover .card-icon-wrapper {
  background: var(--accent-bg);
  transform: scale(1.05);
}
.card-action-btn {
  color: var(--accent);
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
  margin-top: auto;
  padding-top: 1.25rem;
  font-weight: 500;
}
.project-card:hover .card-action-btn { gap: 0.75rem; }

.card-tag {
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-block;
}
.card-tag:hover {
  background: var(--accent-bg) !important;
  border-color: var(--accent-border-strong) !important;
  color: var(--accent) !important;
  transform: translateY(-1px);
}

/* ==========================================
   بخش آمار
========================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
}
.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 1rem;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
}
.stat-item:hover {
  border-color: var(--border-card-hover);
  background: var(--accent-bg);
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}
.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  background: var(--accent-bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  margin: 0 auto 0.75rem;
  transition: all 0.3s ease;
}
.stat-item:hover .stat-icon { transform: scale(1.1) rotate(-5deg); }
.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.25rem;
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-slate);
  font-weight: 500;
}

/* ==========================================
   فوتر
========================================== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border-soft);
  margin-top: 3rem;
}
.footer-link {
  color: var(--text-slate);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
}
.footer-link:hover { color: var(--accent); transform: translateX(-4px); }
.footer-link i { color: var(--accent); }

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--accent-border);
  color: var(--text-slateLight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}
.social-btn:hover {
  color: var(--bg-main);
  background: var(--accent);
  border-color: var(--accent);
  /* transform: translateY(-3px); */
  box-shadow: var(--shadow-accent);
}

/* فرم تماس سریع */
.quick-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--accent-border);
  color: var(--text-primary);
  border-radius: 0.5rem;
  padding: 0.6rem 0.9rem;
  font-size: 0.82rem;
  outline: none;
  transition: all 0.25s ease;
  font-family: inherit;
}
.quick-input::placeholder { color: var(--text-slate); }
.quick-input:focus {
  border-color: var(--accent);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 2px var(--accent-bg);
}
.quick-submit {
  width: 100%;
  background: var(--accent);
  color: var(--bg-main);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.65rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
  font-family: inherit;
}
.quick-submit:hover {
  background: var(--accent-hover);
  /* transform: translateY(-2px); */
  box-shadow: var(--shadow-accent);
}

/* ==========================================
   دکمه بازگشت به بالا
========================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 40;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-accent);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { box-shadow: var(--shadow-accent); }

/* ==========================================
   Skeleton
========================================== */
.skeleton-card {
  background: var(--bg-skeleton);
  border: 1px solid var(--border-card);
  border-radius: 1rem;
  padding: 1.5rem;
  height: 320px;
  overflow: hidden;
  position: relative;
}
.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(100, 255, 218, 0.06), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}
@keyframes skeleton-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.skeleton-shape {
  background: var(--text-slate);
  opacity: 0.15;
  border-radius: 0.5rem;
}
.skeleton-icon { width: 48px; height: 48px; margin-bottom: 1rem; }
.skeleton-line { height: 12px; margin-bottom: 0.75rem; }
.skeleton-line.short { width: 60%; }
.skeleton-line.mid { width: 80%; }
.skeleton-tag { height: 24px; width: 60px; display: inline-block; margin-left: 0.5rem; border-radius: 0.375rem; }

/* ==========================================
   مودال
========================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal-content {
  background: var(--bg-modal);
  border: 1px solid var(--border-card);
  border-radius: 1rem;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-modal);
}
.modal-overlay.open .modal-content { transform: scale(1) translateY(0); }

.modal-close-btn {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(10, 25, 47, 0.7);
  backdrop-filter: blur(4px);
  color: #A8B2D1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
}
.modal-close-btn:hover { color: var(--accent); background: rgba(100, 255, 218, 0.15); transform: rotate(90deg); }

/* 🆕 دکمه‌های اشتراک‌گذاری داخل مودال */
.modal-share-bar {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(10, 25, 47, 0.7);
  backdrop-filter: blur(6px);
  padding: 0.35rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
}
.share-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: #A8B2D1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.8rem;
}
.share-btn:hover {
  background: var(--accent);
  color: var(--bg-main);
  transform: scale(1.1);
}

/* گالری و اسلایدر */
.modal-gallery {
  position: relative;
  width: 100%;
  height: 300px;
  background: var(--bg-main);
  overflow: hidden;
}
@media (min-width: 640px) { .modal-gallery { height: 400px; } }

.modal-slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  direction: ltr;
}
.modal-slider-track img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  flex-shrink: 0;
}
.slider-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(10, 25, 47, 0.6);
  backdrop-filter: blur(4px);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  border: 1px solid rgba(255,255,255,0.1);
  z-index: 5;
  cursor: pointer;
}
.slider-nav-btn:hover { background: var(--accent); color: var(--bg-main); }
.slider-nav-btn.prev { left: 1rem; }
.slider-nav-btn.next { right: 1rem; }

.slider-counter {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(10, 25, 47, 0.7);
  backdrop-filter: blur(4px);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  z-index: 5;
  direction: ltr;
}
.slider-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 5;
}
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all 0.25s ease;
}
.slider-dot.active {
  background: var(--accent);
  width: 24px;
  border-radius: 999px;
}

#modal-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-slateLight);
}
#modal-features li i { color: var(--accent); margin-top: 0.25rem; font-size: 0.75rem; }

/* پروژه‌های مرتبط */
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 0.75rem;
  padding: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.related-card:hover {
  border-color: var(--border-card-hover);
  background: var(--accent-bg);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}
.related-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 0.5rem;
  background: var(--accent-bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}
.related-card-title {
  font-size: 0.8rem;
  color: var(--text-white);
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-cat { font-size: 0.7rem; color: var(--accent); opacity: 0.75; }

/* ==========================================
   Toast
========================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}
.toast {
  background: var(--bg-modal);
  border: 1px solid var(--accent-border-strong);
  border-right: 4px solid var(--accent);
  color: var(--text-primary);
  padding: 0.9rem 1.1rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-modal);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
  max-width: 380px;
  font-size: 0.85rem;
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
}
.toast.show { transform: translateX(0); }
.toast.hide { transform: translateX(120%); }
.toast-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  background: var(--accent-bg);
  color: var(--accent);
}
.toast.error { border-right-color: #EF4444; border-color: rgba(239, 68, 68, 0.4); }
.toast.error .toast-icon { background: rgba(239, 68, 68, 0.15); color: #EF4444; }
.toast-close {
  margin-right: auto;
  color: var(--text-slate);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.25rem;
  transition: color 0.2s;
}
.toast-close:hover { color: var(--accent); }

/* ==========================================
   Intersection Observer
========================================== */
.observe-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.observe-fade.in-view { opacity: 1; transform: translateY(0); }

/* ==========================================
   ریسپانسیو موبایل
========================================== */
@media (max-width: 500px) {
  .toast-container { left: 1rem; right: 1rem; bottom: 1rem; }
  .toast { min-width: unset; width: 100%; }
}
@media (max-width: 400px) {
  .modal-content { border-radius: 0.75rem; }
  .modal-gallery { height: 240px; }
  .modal-close-btn { width: 32px; height: 32px; top: 0.75rem; left: 0.75rem; }
  .modal-share-bar { top: 0.75rem; right: 0.75rem; padding: 0.25rem; gap: 0.25rem; }
  .share-btn { width: 28px; height: 28px; font-size: 0.7rem; }
  .slider-nav-btn { width: 32px; height: 32px; }
  .slider-nav-btn.prev { left: 0.5rem; }
  .slider-nav-btn.next { right: 0.5rem; }
  #modal-whatsapp-btn, #modal-demo-btn { font-size: 0.8rem; padding: 0.7rem 1rem; }
  .filter-btn { padding: 0.5rem 1rem; font-size: 0.8rem; }
  .back-to-top { width: 42px; height: 42px; bottom: 1.25rem; left: 1.25rem; }
  .theme-toggle { width: 36px; height: 36px; font-size: 0.85rem; }
}

/* ==========================================
   🆕 اسکلت مودال (Modal Skeleton)
========================================== */
.modal-skeleton {
  position: absolute;
  inset: 0;
  z-index: 8;
  background: var(--bg-modal);
  display: flex;
  flex-direction: column;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  pointer-events: none;
}
.modal-skeleton.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* اسکلت گالری */
.sk-gallery {
  width: 100%;
  height: 300px;
  background: var(--bg-skeleton);
  position: relative;
  overflow: hidden;
}
@media (min-width: 640px) { .sk-gallery { height: 400px; } }
@media (max-width: 400px) { .sk-gallery { height: 240px; } }

.sk-gallery::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(100, 255, 218, 0.08), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

/* اسکلت محتوای متنی */
.sk-body {
  padding: 1.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
@media (max-width: 640px) { .sk-body { padding: 1.25rem 1.5rem 1.5rem; } }

.sk-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.sk-circle {
  width: 40px;
  height: 40px;
  border-radius: 0.6rem;
  background: var(--text-slate);
  opacity: 0.15;
  flex-shrink: 0;
}
.sk-pill {
  height: 22px;
  width: 90px;
  border-radius: 999px;
  background: var(--text-slate);
  opacity: 0.15;
}
.sk-line {
  height: 14px;
  border-radius: 0.375rem;
  background: var(--text-slate);
  opacity: 0.13;
  position: relative;
  overflow: hidden;
}
.sk-line.title { height: 26px; width: 65%; margin-bottom: 0.75rem; }
.sk-line.w100 { width: 100%; }
.sk-line.w90 { width: 90%; }
.sk-line.w80 { width: 80%; }
.sk-line.w60 { width: 60%; }
.sk-line.w40 { width: 40%; }

/* تگ‌ها */
.sk-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.sk-tag {
  height: 28px;
  width: 70px;
  border-radius: 0.5rem;
  background: var(--text-slate);
  opacity: 0.15;
}

/* دکمه‌ها */
.sk-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-soft);
}
.sk-btn {
  flex: 1;
  height: 46px;
  border-radius: 0.5rem;
  background: var(--text-slate);
  opacity: 0.15;
}

/* خطای تصویر (Placeholder) */
.img-error-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--bg-main);
  color: var(--text-slate);
  font-size: 0.8rem;
}
.img-error-placeholder i { font-size: 2rem; opacity: 0.4; }

/* انیمیشن ورود محتوای واقعی */
.modal-real-content {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.modal-real-content.revealed {
  opacity: 1;
}

/* ==========================================
   🆕 Autocomplete (پیشنهادهای جستجو)
========================================== */
.autocomplete-list {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--bg-modal);
  border: 1px solid var(--accent-border);
  border-radius: 1rem;
  box-shadow: var(--shadow-modal);
  max-height: 360px;
  overflow-y: auto;
  z-index: 50;
  padding: 0.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.22s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.autocomplete-list.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* گروه‌بندی */
.autocomplete-group-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-slate);
  padding: 0.5rem 0.75rem 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

/* هر آیتم */
.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 0.6rem;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--text-primary);
  font-size: 0.85rem;
  border: 1px solid transparent;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--accent-bg);
  border-color: var(--accent-border);
}

.autocomplete-item.active {
  box-shadow: inset 0 0 0 1px var(--accent-border);
}

.autocomplete-icon {
  width: 30px;
  height: 30px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  background: var(--accent-bg);
  color: var(--accent);
}

.autocomplete-icon.tag-icon {
  background: rgba(78, 168, 255, 0.12);
  color: #4EA8FF;
}

.autocomplete-icon.category-icon {
  background: rgba(255, 184, 108, 0.12);
  color: #FFB86C;
}

.autocomplete-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.autocomplete-title {
  font-weight: 600;
  color: var(--text-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.autocomplete-sub {
  font-size: 0.7rem;
  color: var(--text-slate);
  opacity: 0.8;
}

/* Highlight بخش منطبق */
.autocomplete-match {
  color: var(--accent);
  font-weight: 800;
  background: var(--accent-bg);
  padding: 0 2px;
  border-radius: 3px;
}

/* برچسب نوع */
.autocomplete-badge {
  font-size: 0.6rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--accent-border);
  background: var(--accent-bg);
  color: var(--accent);
  flex-shrink: 0;
  font-weight: 600;
}
.autocomplete-badge.tag-badge {
  background: rgba(78, 168, 255, 0.12);
  color: #4EA8FF;
  border-color: rgba(78, 168, 255, 0.3);
}
.autocomplete-badge.category-badge {
  background: rgba(255, 184, 108, 0.12);
  color: #FFB86C;
  border-color: rgba(255, 184, 108, 0.3);
}

/* حالت خالی */
.autocomplete-empty {
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--text-slate);
  font-size: 0.8rem;
}
.autocomplete-empty i {
  font-size: 1.5rem;
  opacity: 0.4;
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

/* اسکرول‌بار داخلی */
.autocomplete-list::-webkit-scrollbar {
  width: 6px;
}
.autocomplete-list::-webkit-scrollbar-thumb {
  background: var(--accent-border);
  border-radius: 3px;
}

/* سازگاری با تم روشن */
body.light-mode .autocomplete-list {
  background: #FFFFFF;
  border-color: rgba(13, 148, 136, 0.25);
}

/* ریسپانسیو */
@media (max-width: 640px) {
  .autocomplete-list {
    max-height: 280px;
    border-radius: 0.75rem;
  }
  .autocomplete-item {
    padding: 0.55rem 0.65rem;
    font-size: 0.8rem;
  }
  .autocomplete-icon {
    width: 26px;
    height: 26px;
    font-size: 0.75rem;
  }
  .autocomplete-badge {
    font-size: 0.55rem;
    padding: 0.1rem 0.4rem;
  }
}

/* ==========================================
   💬 چت‌بات
========================================== */

/* دکمه شناور */
.chat-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-main);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 10px 30px rgba(100, 255, 218, 0.4), 0 0 0 0 rgba(100, 255, 218, 0.6);
  z-index: 150;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chat-fab:hover {
  transform: scale(1.08) rotate(-5deg);
  box-shadow: 0 15px 40px rgba(100, 255, 218, 0.6), 0 0 0 4px rgba(100, 255, 218, 0.15);
}

.chat-fab:active {
  transform: scale(0.95);
}

.chat-fab-icon-open,
.chat-fab-icon-close {
  position: absolute;
  transition: all 0.3s ease;
}

.chat-fab-icon-close {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.chat-fab.open .chat-fab-icon-open {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

.chat-fab.open .chat-fab-icon-close {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* موج پالس */
.chat-fab-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: chat-pulse 2s infinite;
  pointer-events: none;
  opacity: 0;
}

@keyframes chat-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* نشانگر تعداد پیام */
.chat-fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #FF6B6B;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-main);
  animation: badge-bounce 2s infinite;
}

.chat-fab-badge.hidden { display: none; }

@keyframes badge-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* پنجره چت */
.chat-window {
  position: fixed;
  bottom: 6.5rem;
  right: 2rem;
  width: 380px;
  max-width: calc(100vw - 4rem);
  height: 560px;
  max-height: calc(100vh - 8rem);
  background: var(--bg-modal);
  border: 1px solid var(--accent-border);
  border-radius: 1.25rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-border);
  display: flex;
  flex-direction: column;
  z-index: 149;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.96);
  transform-origin: bottom right;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.chat-window.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* هدر چت */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(135deg, var(--accent-bg), transparent);
  flex-shrink: 0;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.chat-online-dot {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 11px;
  height: 11px;
  background: #4ADE80;
  border: 2px solid var(--bg-modal);
  border-radius: 50%;
  animation: online-pulse 2s infinite;
}

@keyframes online-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7); }
  50% { box-shadow: 0 0 0 5px rgba(74, 222, 128, 0); }
}

.chat-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-white);
  margin: 0;
}

.chat-status {
  font-size: 0.7rem;
  color: var(--text-slate);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.chat-online-indicator {
  width: 6px;
  height: 6px;
  background: #4ADE80;
  border-radius: 50%;
  display: inline-block;
}

.chat-header-btn {
  width: 34px;
  height: 34px;
  border-radius: 0.5rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-slate);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.chat-header-btn:hover {
  color: #FF6B6B;
  background: rgba(255, 107, 107, 0.1);
  border-color: rgba(255, 107, 107, 0.3);
}

/* بخش پیام‌ها */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--accent-border);
  border-radius: 3px;
}

/* حباب پیام */
.chat-msg {
  display: flex;
  gap: 0.5rem;
  animation: msg-in 0.35s ease-out both;
  max-width: 85%;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.bot {
  align-self: flex-start;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.chat-msg.bot .chat-msg-avatar {
  background: var(--accent-bg);
  color: var(--accent);
}

.chat-msg.user .chat-msg-avatar {
  background: rgba(78, 168, 255, 0.15);
  color: #4EA8FF;
}

.chat-msg-bubble {
  padding: 0.65rem 0.9rem;
  border-radius: 1rem;
  font-size: 0.82rem;
  line-height: 1.65;
  word-wrap: break-word;
}

.chat-msg.bot .chat-msg-bubble {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  border-top-right-radius: 0.25rem;
}

.chat-msg.user .chat-msg-bubble {
  background: var(--accent);
  color: var(--bg-main);
  border-top-left-radius: 0.25rem;
  font-weight: 500;
}

/* پیام‌های چند دکمه‌ای */
.chat-msg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
}

.chat-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--accent-border-strong);
  background: var(--accent-bg);
  color: var(--accent);
  text-decoration: none;
  font-family: inherit;
}

.chat-action-btn:hover {
  background: var(--accent);
  color: var(--bg-main);
  transform: translateY(-1px);
}

.chat-action-btn.whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: #25D366;
  border-color: rgba(37, 211, 102, 0.4);
}

.chat-action-btn.whatsapp:hover {
  background: #25D366;
  color: white;
  border-color: #25D366;
}

/* نشانگر تایپ */
.chat-typing {
  display: flex;
  gap: 4px;
  padding: 0.75rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 1rem;
  border-top-right-radius: 0.25rem;
  width: fit-content;
}

.chat-typing span {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite;
  opacity: 0.6;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.6; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* پیشنهادهای سریع */
.chat-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 1.15rem;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-card);
  flex-shrink: 0;
  max-height: 100px;
  overflow-y: auto;
}

.chat-quick-replies:empty {
  display: none;
}

.chat-quick-btn {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-card);
  background: var(--bg-input);
  color: var(--text-slate);
  transition: all 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
}

.chat-quick-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent-border-strong);
  color: var(--accent);
  transform: translateY(-1px);
}

/* نوار ورودی */
.chat-input-area {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-modal);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--accent-border);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-size: 0.82rem;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.chat-input::placeholder {
  color: var(--text-slate);
  font-size: 0.8rem;
}

.chat-input:focus {
  border-color: var(--accent);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.chat-send-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-main);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.08);
}

.chat-send-btn:active {
  transform: scale(0.95);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================
   ریسپانسیو چت‌بات
========================================== */
@media (max-width: 640px) {
  .chat-fab {
    width: 54px;
    height: 54px;
    bottom: 1.25rem;
    right: 1.25rem;
    font-size: 1.2rem;
  }
  
  .chat-window {
    width: calc(100vw - 2rem);
    height: calc(100vh - 7rem);
    max-height: calc(100vh - 7rem);
    right: 1rem;
    left: 1rem;
    bottom: 5.5rem;
    border-radius: 1rem;
  }
  
  .chat-messages {
    padding: 0.75rem;
  }
  
  .chat-msg {
    max-width: 92%;
  }
  
  .chat-msg-bubble {
    font-size: 0.78rem;
    padding: 0.55rem 0.8rem;
  }
}

/* سازگاری با تم روشن */
body.light-mode .chat-window {
  background: #FFFFFF;
  border-color: rgba(13, 148, 136, 0.25);
}
body.light-mode .chat-header {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), transparent);
}
body.light-mode .chat-online-dot {
  border-color: #FFFFFF;
}
body.light-mode .chat-msg.bot .chat-msg-bubble {
  background: rgba(240, 244, 248, 0.8);
  border-color: rgba(13, 148, 136, 0.15);
}
body.light-mode .chat-typing {
  background: rgba(240, 244, 248, 0.8);
}
body.light-mode .chat-quick-replies {
  background: rgba(240, 244, 248, 0.5);
}

/* ==========================================
   🎭 Magnetic Effect (جاذبه مغناطیسی)
========================================== */

/* کلاس پایه برای دکمه‌های مغناطیسی */
.magnetic {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
}

/* وقتی موس داخل است، ترنزیشن سریع‌تر می‌شود */
.magnetic.magnetic-active {
  transition: transform 0.1s ease-out;
}

/* محتوای داخلی (برای اینکه متن و آیکون با هم حرکت کنند) */
.magnetic > * {
  pointer-events: none;
}

/* در حالت Reduce Motion غیرفعال */
@media (prefers-reduced-motion: reduce) {
  .magnetic,
  .magnetic.magnetic-active {
    transform: none !important;
    transition: none !important;
  }
}

/* ==========================================
   ✨ Ripple Effect (موج)
========================================== */

.ripple-host {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-animation 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  background: var(--accent);
  opacity: 0.4;
  z-index: 1;
}

body.light-mode .ripple {
  background: var(--accent);
  opacity: 0.3;
}

@keyframes ripple-animation {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* برای دکمه‌های تیره (که متن روشن دارند) رنگ موج روشن‌تر */
.btn-ripple-light .ripple {
  background: #FFFFFF;
  opacity: 0.35;
}

/* اطمینان از اینکه محتوای دکمه بالای موج قرار دارد */
.ripple-host > *:not(.ripple) {
  position: relative;
  z-index: 2;
}

/* ==========================================
   🌈 Parallax Effect
========================================== */

/* لایه‌های پارالاکس در هیرو */
.hero-parallax-layer {
  transition: transform 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

/* وقتی موس در هیرو است، ترنزیشن سریع‌تر و روان‌تر */
.hero-parallax-layer.parallax-active {
  transition: transform 0.08s linear;
}

/* Parallax با اسکرول در موبایل */
@media (max-width: 768px) {
  .hero-parallax-layer {
    transform: translateY(0);
    transition: transform 0.3s ease-out;
  }
}

/* در Reduce Motion غیرفعال */
@media (prefers-reduced-motion: reduce) {
  .hero-parallax-layer,
  .hero-parallax-layer.parallax-active {
    transform: none !important;
    transition: none !important;
  }
}

/* درخشش‌های پس‌زمینه - عمق دور */
.bg-glow {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}