.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--surface-alt);
  border-bottom: var(--border-default);
  font-family: var(--font-body);
}

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

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

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: var(--border-default);
  border-radius: var(--radius-sm);
  background-color: var(--surface-card);
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-deep-forest);
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-header__toggle-icon::before {
  top: -6px;
}

.site-header__toggle-icon::after {
  top: 6px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon {
  background-color: transparent;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.site-nav__item {
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-deep-forest);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.site-nav__link:hover {
  color: var(--color-moss-dark);
  background-color: var(--surface-card);
}

.site-nav__link--cta {
  background-color: var(--color-clay-orange);
  color: var(--color-white);
  border: var(--border-width) var(--border-style) var(--color-deep-forest);
  padding: var(--space-xs) var(--space-md);
  font-weight: 700;
}

.site-nav__link--cta:hover {
  background-color: var(--color-deep-forest);
  color: var(--color-white);
}

@media (max-width: 64rem) {
  .site-header__inner {
    flex-wrap: wrap;
    padding-block: var(--space-sm);
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    order: 3;
    flex-basis: 100%;
    background-color: var(--surface-alt);
    border-top: var(--border-default);
    padding: var(--space-sm) 0;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }

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

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

  .site-nav__item {
    width: 100%;
  }

  .site-nav__link {
    display: flex;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-body);
    border-radius: 0;
    border-bottom: var(--border-default);
  }

  .site-nav__link--cta {
    justify-content: center;
    border-bottom: none;
    margin-top: var(--space-sm);
  }
}

@media (max-width: 30rem) {
  .site-header__logo {
    width: 36px;
    height: 36px;
  }

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

  .site-header__inner {
    gap: var(--space-sm);
  }
}