.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-border-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4.5rem;
  padding-block: var(--space-3);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-deep-navy);
  flex-shrink: 0;
}

.site-header__logo {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  display: block;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-deep-navy);
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-small);
  transition: background-color var(--transition-fast);
}

.site-header__toggle:hover {
  background-color: rgba(63, 140, 145, 0.08);
}

.site-header__toggle:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  position: absolute;
  left: 50%;
  width: 1.25rem;
  height: 2px;
  background-color: var(--color-deep-navy);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle-icon {
  top: 50%;
  transform: translate(-50%, -50%);
}

.site-header__toggle-icon::before {
  content: "";
  top: -0.375rem;
  transform: translateX(-50%);
}

.site-header__toggle-icon::after {
  content: "";
  top: 0.375rem;
  transform: translateX(-50%);
}

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

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list li {
  margin: 0;
  padding: 0;
}

.site-header__nav-list li + li {
  margin: 0;
}

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-body-size);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-deep-navy);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-header__nav-link:hover {
  background-color: rgba(63, 140, 145, 0.08);
  color: var(--color-teal-dark);
}

.site-header__nav-link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.site-header__cta {
  flex-shrink: 0;
  white-space: nowrap;
}

@media (max-width: 63.9375rem) {
  .site-header__toggle {
    display: block;
  }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(20rem, 85vw);
    max-width: 100%;
    background-color: var(--color-off-white);
    box-shadow: var(--shadow-lift);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-5);
    padding: var(--space-6) var(--space-5);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-fast);
    z-index: 1001;
  }

  .site-header__nav.is-open {
    transform: translateX(0);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .site-header__nav-link {
    display: flex;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-small);
    font-size: var(--text-body-large-size);
  }

  .site-header__cta {
    margin-top: auto;
    width: 100%;
  }
}

@media (min-width: 64rem) {
  .site-header__nav {
    position: static;
    transform: none;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
    padding: 0;
    overflow: visible;
    box-shadow: none;
    background: transparent;
  }

  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
  }

  .site-header__nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-body-size);
  }
}

.site-header__nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(34, 58, 71, 0.5);
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition-fast);
}


@media (min-width: 64rem) {
  .site-header__nav-overlay {
    display: none !important;
  }
}