/* ==========================================
   Header Styles
   ========================================== */

.header {
  position: sticky;
  top: 0;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm);
  max-width: 1200px;
  margin: 0 auto;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.header__logo:hover {
  text-decoration: none;
}

.header__logo-icon {
  width: 40px;
  height: 40px;
}

/* Desktop Navigation */
.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.header__nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem;
  transition: color 0.2s ease;
  position: relative;
}

.header__nav-link:hover {
  color: var(--primary);
  text-decoration: none;
}

.header__nav-link.active {
  color: var(--primary);
}

.header__nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

/* Dropdown */
.header__dropdown {
  position: relative;
}

.header__dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.header__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  list-style: none;
}

.header__dropdown:hover .header__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-item {
  padding: 0.75rem var(--spacing-md);
  color: var(--text-dark);
  display: block;
  transition: background 0.2s ease;
}

.header__dropdown-item:hover {
  background: var(--bg-light);
  text-decoration: none;
  color: var(--primary);
}

/* Mobile Menu Toggle */
.header__menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  transition: all 0.3s ease;
}

.header__menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.header__mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-white);
  z-index: 999;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.header__mobile-menu.active {
  display: block;
}

.header__mobile-nav-list {
  list-style: none;
}

.header__mobile-nav-item {
  border-bottom: 1px solid var(--border);
}

.header__mobile-nav-link {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-dark);
  font-weight: 500;
  font-size: 1.125rem;
}

.header__mobile-nav-link:hover {
  color: var(--primary);
  text-decoration: none;
  background: var(--bg-light);
}

/* Tablet and Desktop */
@media (min-width: 768px) {
  .header__menu-toggle {
    display: none;
  }
  
  .header__nav {
    display: block;
  }
  
  .header__container {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .header__container {
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .header__nav-list {
    gap: var(--spacing-lg);
  }
}