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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
  min-height: 4rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-deep-charcoal);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__logo {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__wordmark {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-deep-charcoal);
  white-space: nowrap;
}

.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
  width: 3rem;
  height: 3rem;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__toggle-line {
  display: block;
  width: 1.5rem;
  height: 2px;
  background-color: var(--color-deep-charcoal);
  transition: transform 150ms ease-out, opacity 150ms ease-out;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(0.4rem) 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(-0.4rem) rotate(-45deg);
}

.site-header__nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: var(--border-hairline);
  box-shadow: var(--shadow-modal);
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  z-index: 99;
}

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

.site-header__nav-list {
  list-style: none;
  margin: 0;
  padding: var(--space-sm) 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

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

.site-header__nav-link {
  display: block;
  padding: var(--space-sm) var(--container-padding-mobile);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: 500;
  color: var(--color-deep-charcoal);
  text-decoration: none;
  transition: color 150ms ease-out, background-color 150ms ease-out;
}

.site-header__nav-link:hover {
  color: var(--color-deep-ocean);
  background-color: var(--color-cloud-white);
}

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

@media (min-width: 64rem) {
  .site-header__inner {
    min-height: 4.5rem;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    display: block;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
    max-height: none;
    overflow: visible;
  }

  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
    padding: 0;
  }

  .site-header__nav-link {
    padding: var(--space-xs) 0;
    font-size: var(--text-body-small-size);
    white-space: nowrap;
  }

  .site-header__nav-link:hover {
    background-color: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-line,
  .site-header__nav-link {
    transition: none;
  }
}