/* Header styles */
.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-bg-base);
  border-bottom: var(--border-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--container-padding);
  min-height: 72px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-ink-strong);
  flex-shrink: 0;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.site-header__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
}

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

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-ink-strong);
  transition: transform var(--transition-transform), background-color var(--transition-color);
}

.site-header__toggle-icon {
  position: relative;
}

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

.site-header__toggle-icon::before {
  top: -7px;
}

.site-header__toggle-icon::after {
  top: 7px;
}

.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(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  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-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-header__nav-list a {
  display: inline-block;
  padding: var(--space-2) 0;
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--color-ink-strong);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-color);
}

.site-header__nav-list a:hover {
  color: var(--color-accent-blue);
}

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

.site-header__enquiry {
  flex-shrink: 0;
}

/* Mobile styles */
@media (max-width: 63.9375rem) {
  .site-header__inner {
    flex-wrap: wrap;
    min-height: 64px;
  }

  .site-header__brand {
    order: 1;
  }

  .site-header__toggle {
    display: inline-flex;
    order: 2;
    margin-left: auto;
  }

  .site-header__nav {
    order: 3;
    flex-basis: 100%;
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999;
    background-color: var(--color-bg-base);
    padding: var(--space-8) var(--container-padding) var(--space-6);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

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

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    max-width: 30rem;
    margin-inline: auto;
  }

  .site-header__nav-list a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-h4);
    line-height: 1.2;
    border-bottom: var(--border-light);
  }

  .site-header__enquiry {
    order: 2;
    margin-left: var(--space-2);
  }
}

@media (max-width: 47.9375rem) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }

  .site-header__brand-text {
    font-size: 1rem;
  }

  .site-header__enquiry {
    display: none;
  }
}

/* Prevent body scroll when mobile menu open */
body.menu-open {
  overflow: hidden;
}