/* Header Styles - Sportovixa Athletic Theme */

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: var(--space-4);
}

/* Logo Styles */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo__text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  letter-spacing: var(--letter-spacing-wider);
  line-height: 1;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.logo:hover .logo__text {
  color: var(--color-secondary);
}

/* Main Navigation */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-charcoal);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-primary);
}

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: transparent;
  border: none;
  color: var(--color-charcoal);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.icon-btn:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.icon-btn:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-charcoal);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    justify-content: flex-start;
    padding: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    overflow-y: auto;
  }
  
  .main-nav.is-open {
    transform: translateX(0);
  }
  
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
    width: 100%;
  }
  
  .nav-link {
    font-size: var(--font-size-2xl);
    padding: var(--space-2) 0;
  }
  
  .nav-link::after {
    display: none;
  }
}