/* Header component styles */
.site-header {
  background-color: var(--color-charcoal-raised);
  border-bottom: var(--border-brass-subtle);
  position: relative;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 var(--container-padding-mobile);
  max-width: var(--container-max);
  margin: 0 auto;
  gap: var(--space-16);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  text-decoration: none;
  color: var(--color-bone);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-bone);
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-brass);
  transition: transform var(--transition-color), opacity var(--transition-color);
  transform-origin: center;
}

.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;
  flex-shrink: 1;
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-header__nav-link {
  display: inline-block;
  padding: var(--space-8) 0;
  font-size: var(--text-label-size);
  line-height: var(--text-label-line-height);
  font-weight: var(--text-label-weight);
  letter-spacing: var(--text-label-tracking);
  text-transform: uppercase;
  color: var(--color-bone);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-color);
  position: relative;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-color);
}

.site-header__nav-link:hover {
  color: var(--color-deep-green-bright);
}

.site-header__nav-link:hover::after {
  transform: scaleX(1);
  background-color: var(--color-deep-green-bright);
}

.site-header__nav-link[aria-current="page"] {
  color: var(--color-brass);
}

.site-header__nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Mobile navigation */
@media (max-width: 1023px) {
  .site-header__inner {
    min-height: 64px;
    padding: 0 var(--container-padding-mobile);
  }

  .site-header__logo {
    width: 36px;
    height: 36px;
  }

  .site-header__brand-text {
    font-size: 0.875rem;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-charcoal);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-32) var(--container-padding-mobile);
    overflow-y: auto;
    z-index: 99;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--transition-opacity), transform var(--transition-opacity), visibility 0s linear var(--transition-opacity);
  }

  .site-header__nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-opacity), transform var(--transition-opacity), visibility 0s linear 0s;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-8);
    width: 100%;
  }

  .site-header__nav-item {
    width: 100%;
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-16) var(--space-8);
    font-size: 1.25rem;
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-transform: none;
    font-family: var(--font-heading);
    font-weight: 500;
    border-bottom: var(--border-brass-subtle);
  }

  .site-header__nav-link::after {
    display: none;
  }

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

@media (min-width: 1024px) {
  .site-header__inner {
    padding: 0 var(--container-padding-desktop);
  }

  .site-header__nav-list {
    gap: var(--space-32);
  }
}