/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
  gap: var(--spacing-xl);
}

.logo-text {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
}

.logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
}

.nav-menu a {
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  gap: var(--spacing-md);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: white;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

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

  .nav-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }
}