/* Header component styles */
@layer components {
  .site-header {
    position: relative;
    z-index: 1000;
    background-color: var(--color-warm-white);
    border-bottom: var(--border-standard);
  }

  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    padding-block: var(--space-sm);
  }

  .site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-graphite);
    flex-shrink: 0;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
  }

  .site-header__brand-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-graphite);
    white-space: nowrap;
  }

  .site-header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 8px;
    background: transparent;
    border: 1px solid var(--color-ultramarine);
    border-radius: var(--radius-none);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
  }

  .site-header__toggle:hover {
    background-color: var(--color-ultramarine);
    border-color: var(--color-ultramarine);
  }

  .site-header__toggle:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
  }

  .site-header__toggle-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-ultramarine);
    transition: background-color var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle:hover .site-header__toggle-line {
    background-color: var(--color-warm-white);
  }

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

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
    opacity: 0;
  }

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

  .site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
  }

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

  .site-header__nav-item {
    margin: 0;
    padding: 0;
  }

  .site-header__nav-link {
    display: inline-block;
    padding-block: var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--text-body-size);
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--color-graphite);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
  }

  .site-header__nav-link:hover {
    color: var(--color-ultramarine);
  }

  .site-header__nav-link:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
  }

  .site-header__actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }

  .site-header__cta {
    white-space: nowrap;
  }

  @media (max-width: 1023px) {
    .site-header__toggle {
      display: flex;
    }

    .site-header__nav {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      display: none;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      background-color: var(--color-warm-white);
      border-bottom: var(--border-standard);
      padding: var(--space-md) var(--container-padding-mobile);
      max-height: calc(100vh - 72px);
      overflow-y: auto;
      z-index: 1001;
    }

    .site-header__nav.is-open {
      display: flex;
    }

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

    .site-header__nav-item {
      border-bottom: var(--border-standard);
    }

    .site-header__nav-item:last-child {
      border-bottom: none;
    }

    .site-header__nav-link {
      display: block;
      padding-block: var(--space-md);
      font-size: var(--text-body-lg-size);
      line-height: 1.4;
    }

    .site-header__actions {
      margin-top: var(--space-md);
      width: 100%;
    }

    .site-header__cta {
      width: 100%;
    }
  }

  @media (max-width: 767px) {
    .site-header__inner {
      min-height: 64px;
    }

    .site-header__logo {
      width: 32px;
      height: 32px;
    }

    .site-header__brand-text {
      font-size: 0.9375rem;
    }

    .site-header__nav {
      max-height: calc(100vh - 64px);
    }
  }
}