/**
 * Header Component Styles
 * 
 * Site header with logo, navigation, and CTA button.
 * Uses CSS variables for colors - no hardcoded values.
 */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-nav-sidebar);
  backdrop-filter: blur(10px);
  background-color: rgba(28, 58, 86, 0.95);
  border-bottom: none !important;
  min-height: 95px;
  max-height: 95px;
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  gap: var(--spacing-lg);
  height: 100%;
}

.header__logo {
  flex-shrink: 0;
}

.header__logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.header__logo-link:hover {
  opacity: 0.8;
}

.header__logo-image {
  height: 88px;
  max-height: 88px;
  min-width: 180px;
  width: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.header__logo-text {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.header__cta {
  white-space: nowrap;
  padding: var(--spacing-sm) var(--spacing-lg) !important;
  font-size: var(--font-size-sm) !important;
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-dropdown);
}

.header__menu-toggle:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.header__menu-icon {
  width: 24px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.header__menu-icon span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.header__nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Header */
@media (max-width: 1024px) {
  .header {
    min-height: 88px;
    max-height: 88px;
  }

  .header__content {
    gap: var(--spacing-md);
  }

  .header__logo-image {
    height: 78px;
    max-height: 78px;
  }

  .header__logo-text {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 768px) {
  .header {
    min-height: 80px;
    max-height: 80px;
  }

  .header__content {
    flex-wrap: nowrap;
    padding: var(--spacing-md) 0;
  }

  .header__logo {
    flex: 1;
  }

  .header__menu-toggle {
    display: flex;
    order: 2;
    margin-left: var(--spacing-md);
  }

  .header__actions {
    order: 3;
    margin-left: var(--spacing-sm);
  }

  .header__cta {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    order: 4;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    z-index: var(--z-dropdown);
  }

  .header__nav[data-nav-open="true"] {
    max-height: 500px;
    padding: var(--spacing-md) 0;
  }

  .header__nav .nav {
    width: 100%;
    flex-direction: column;
  }

  .header__nav .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .header__nav .nav__item {
    width: 100%;
  }

  .header__nav .nav__link {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .header__nav .nav__link::after {
    display: none;
  }

  .header__logo-image {
    height: 64px;
    max-height: 64px;
  }

  .header__logo-text {
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .header {
    min-height: 72px;
    max-height: 72px;
  }

  .header__logo-image {
    height: 56px;
    max-height: 56px;
  }

  .header__logo-text {
    font-size: var(--font-size-sm);
  }

  .header__cta {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  .header__menu-toggle {
    width: 28px;
    height: 28px;
  }
}