/* ============================================
   رز دولوپ - استایل هدر و فوتر مشترک
   ============================================ */

/* ===========================================
   1. HEADER
   =========================================== */
.header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  height: var(--header-height-scrolled);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

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

/* ===========================================
   2. LOGO
   =========================================== */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text-primary);
}

.logo-text .text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-logo {
  margin-bottom: 1.25rem;
  display: inline-block;
}

/* ===========================================
   3. NAVIGATION
   =========================================== */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) 0;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-border);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ===========================================
   4. HAMBURGER (Mobile Menu Button)
   =========================================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: 1100;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================================
   5. MOBILE MENU
   =========================================== */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: 2rem;
  overflow-y: auto;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav-link {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  text-align: center;
  display: block;
  width: 100%;
  max-width: 300px;
}

.mobile-menu .nav-link:hover,
.mobile-menu .nav-link.active {
  color: var(--text-primary);
}

.mobile-menu .btn {
  min-width: 200px;
  text-align: center;
  justify-content: center;
}

.mobile-menu-close {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  transition: transform var(--transition-base);
}

.mobile-menu-close:hover {
  transform: rotate(90deg);
}

/* ===========================================
   6. FOOTER
   =========================================== */
.footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-4xl);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-3xl);
}

.footer-col-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-border);
  border-radius: var(--radius-full);
}

.footer-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: 0;
  margin: 0;
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text-primary);
  padding-right: 6px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.footer-contact svg {
  flex-shrink: 0;
}

/* ===========================================
   7. SOCIAL ICONS
   =========================================== */
.social-icons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.social-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  text-decoration: none;
}

.social-icon:hover {
  color: var(--text-primary);
  border-color: var(--color-blue);
  background: rgba(37, 99, 235, 0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}

/* ===========================================
   8. FOOTER BOTTOM
   =========================================== */
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-bottom-links a {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-bottom-links a:hover {
  color: var(--text-primary);
}

/* ===========================================
   9. FLOATING BUTTONS
   =========================================== */
.floating-buttons {
  position: fixed;
  bottom: 30px;
  left: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-buttons.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  position: relative;
  text-decoration: none;
}

.floating-btn:hover {
  transform: scale(1.15);
}

.floating-btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
}

.floating-btn-whatsapp:hover {
  box-shadow: 0 0 25px rgba(37, 211, 102, 0.5);
}

.floating-btn-telegram {
  background: linear-gradient(135deg, #2aabee, #229ed9);
}

.floating-btn-telegram:hover {
  box-shadow: 0 0 25px rgba(42, 171, 238, 0.5);
}

.floating-btn-phone {
  background: var(--gradient-cta);
}

.floating-btn-phone:hover {
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.5);
}

.floating-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
  border: 1px solid var(--border-color);
}

.floating-btn:hover .floating-tooltip {
  opacity: 1;
  visibility: visible;
}

/* ===========================================
   10. SELECTION BAR
   =========================================== */
.selection-bar {
  position: fixed;
  bottom: 0;
  right: 0;
  left: 0;
  background: rgba(22, 22, 31, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  padding: 1rem 0;
  z-index: 950;
  transform: translateY(100%);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.selection-bar.visible {
  transform: translateY(0);
  opacity: 1;
}

.selection-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.selection-bar-text {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
}

.select-style-btn.selected {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

/* ===========================================
   11. RESPONSIVE - TABLET (منوی همبرگری هم اینجا بیاد)
   =========================================== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* منوی همبرگری از تبلت به بعد */
  .nav-list {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav .btn {
    display: none;
  }
}

/* ===========================================
   12. RESPONSIVE - MOBILE
   =========================================== */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .footer-bottom-links {
    justify-content: center;
  }
  
  .floating-buttons {
    bottom: 20px;
    left: 16px;
  }
  
  .floating-btn {
    width: 46px;
    height: 46px;
  }
  
  .floating-btn svg {
    width: 20px;
    height: 20px;
  }
  
  .floating-tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  .selection-bar-inner {
    flex-direction: column;
    text-align: center;
  }
}