.site-header {
  position: sticky;
  z-index: 900;
  top: 0;
  width: 100%;
  border-block-end: var(--border-copper-subtle);
  background: rgb(16 18 20 / 96%);
  box-shadow: 0 10px 30px rgb(0 0 0 / 24%);
}

.site-header::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  backdrop-filter: blur(14px);
  content: "";
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: 5.25rem;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  color: var(--color-white);
  text-decoration: none;
}

.site-header__brand:hover { color: var(--color-white); }

.site-header__mark {
  flex: 0 0 2.375rem;
  width: 2.375rem;
  height: 2.375rem;
  object-fit: contain;
}

.site-header__wordmark {
  overflow: hidden;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1;
  white-space: nowrap;
}

.site-header__toggle { display: none; }

.site-header__nav {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  flex: 0 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.7rem, 1.25vw, 1.25rem);
  min-width: 0;
  margin: 0;
  padding: 0;
}

.site-header__nav-list li,
.site-header__nav-list li + li {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  border-block-end: 2px solid transparent;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav-list a:hover,
.site-header__nav-list a[aria-current="page"] {
  border-color: var(--color-copper-bright);
  color: var(--color-champagne);
}

.site-header__nav-list a:focus-visible,
.site-header__brand:focus-visible,
.site-header__enquiry:focus-visible {
  outline: 3px solid var(--color-copper);
  outline-offset: 4px;
}

.site-header__enquiry {
  flex: 0 0 auto;
  min-height: 2.75rem;
  padding: 0.65rem 0.9rem;
  white-space: nowrap;
}

.site-header__mobile-only { display: none !important; }

@media (max-width: 1100px) {
  .site-header__inner { min-height: 4.75rem; gap: var(--space-3); }
  .site-header__mark { flex-basis: 2rem; width: 2rem; height: 2rem; }
  .site-header__wordmark { font-size: 1.42rem; }
  .site-header__toggle { display: flex; margin-inline-start: auto; }
  .site-header__nav {
    position: absolute;
    inset-block-start: calc(100% + 1px);
    inset-inline: 0;
    display: none;
    max-height: calc(100vh - 4.75rem);
    padding: var(--space-4) max(var(--container-padding), 1rem) var(--space-5);
    overflow-y: auto;
    border-block-end: var(--border-copper);
    background: var(--color-charcoal-900);
    box-shadow: var(--shadow-surface);
  }
  .site-header__nav.is-open { display: grid; gap: var(--space-4); }
  .site-header__nav-list { display: grid; justify-content: stretch; gap: 0; }
  .site-header__nav-list li,
  .site-header__nav-list li + li { display: block; border-block-end: var(--border-copper-subtle); }
  .site-header__nav-list a { width: 100%; min-height: 3rem; border-block-end: 0; font-size: var(--text-label); }
  .site-header__nav-list a:hover,
  .site-header__nav-list a[aria-current="page"] { color: var(--color-champagne); }
  .site-header__mobile-only { display: block !important; }
  .site-header__enquiry { width: 100%; min-height: 3rem; }
  .site-header__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-header__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .site-header__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-header__toggle span { transition: transform var(--transition-standard), opacity var(--transition-standard); }
}

@media (max-width: 420px) {
  .site-header__inner { min-height: 4.5rem; }
  .site-header__mark { flex-basis: 2rem; width: 2rem; height: 2rem; }
  .site-header__wordmark { font-size: 1.25rem; }
  .site-header__nav { max-height: calc(100vh - 4.5rem); }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle span { transition: none; }
}

/* mobile-photo-center */
@media (max-width: 56.25rem) {
  img,
  video {
    object-position: center !important;
  }

  .image-frame,
  .media-frame,
  .card__media,
  [class*='__media'] {
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
    justify-self: stretch;
    overflow: hidden;
    grid-column: 1 / -1;
  }

  .image-frame img,
  .media-frame img,
  .media-frame video,
  .card__media img,
  [class*='__media'] img,
  [class*='hero'] img,
  [class*='hero__image'] {
    width: 100%;
    height: 100%;
    max-width: none;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: center !important;
  }
}

/* mobile-nav-overlay */
@media (max-width: 80rem) {
  .site-nav.is-open,
  .site-nav[data-nav-open],
  .site-header__nav.is-open,
  .site-navigation.is-open {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    align-content: flex-start;
    left: 0;
    right: 0;
    width: 100%;
    max-width: none;
    margin-inline: 0;
    padding-inline: 1.25rem;
    padding-block-start: 1.5rem;
    visibility: visible;
    overflow-y: auto;
    box-sizing: border-box;
  }

  .site-nav.is-open ul,
  .site-nav.is-open li,
  .site-nav.is-open a,
  .site-nav.is-open .btn,
  .site-nav.is-open .button,
  .site-nav[data-nav-open] ul,
  .site-nav[data-nav-open] li,
  .site-nav[data-nav-open] a,
  .site-nav[data-nav-open] .btn,
  .site-nav[data-nav-open] .button,
  .site-header__nav.is-open ul,
  .site-header__nav.is-open li,
  .site-header__nav.is-open a,
  .site-header__nav.is-open .btn,
  .site-header__nav.is-open .button,
  .site-navigation.is-open ul,
  .site-navigation.is-open li,
  .site-navigation.is-open a,
  .site-navigation.is-open .btn,
  .site-navigation.is-open .button {
    width: 100%;
    max-width: none;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-inline: 0;
  }
}

/* mobile-nav-height */
@media (max-width: 80rem) {
  .site-nav.is-open,
  .site-nav[data-nav-open],
  .site-header__nav.is-open,
  .site-navigation.is-open {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    position: fixed;
    top: var(--header-height, 4.5rem);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    max-width: none;
    height: calc(100dvh - var(--header-height, 4.5rem));
    max-height: none;
    margin-inline: 0;
    visibility: visible;
    overflow-y: auto;
    box-sizing: border-box;
  }
}

/* nav-toggle-x */
.nav-toggle,
.site-header__toggle {
  position: relative;
  flex-direction: column;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1),
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1),
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1),
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1),
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1),
.site-header__toggle[aria-expanded="true"] span:nth-child(1),
.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  position: absolute;
  left: 50%;
  top: 50%;
  margin: 0;
  transform: translate(-50%, -50%) rotate(45deg);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] span:nth-child(2),
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2),
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2),
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2),
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2),
.site-header__toggle[aria-expanded="true"] span:nth-child(2),
.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3),
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3),
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3),
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3),
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3),
.site-header__toggle[aria-expanded="true"] span:nth-child(3),
.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  position: absolute;
  left: 50%;
  top: 50%;
  margin: 0;
  transform: translate(-50%, -50%) rotate(-45deg);
  transform-origin: center;
}