.skip-link {
  position: fixed;
  z-index: var(--layer-skip-link);
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-950);
  font-weight: 600;
  transform: translateY(calc(-100% - 2rem));
  transition: transform var(--duration-fast) var(--easing-enter);
}

.skip-link:focus {
  color: var(--ink-950);
  transform: translateY(0);
}

.prototype-band {
  border-block-end: var(--stroke-hairline) solid var(--flow-blue-700);
  background: var(--ink-950);
  color: var(--white);
  font-size: var(--type-caption);
}

.prototype-band__inner {
  display: flex;
  min-height: 2.25rem;
  align-items: center;
  gap: var(--space-xs);
  padding-block: var(--space-2xs);
}

.prototype-band__label {
  flex: 0 0 auto;
  color: var(--focus-gold);
  font-size: var(--type-meta);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prototype-band__message {
  color: var(--steel-200);
}

.prototype-band :where(a, button):focus-visible,
.site-footer :where(a, button):focus-visible {
  outline-color: var(--focus-gold);
}

.site-header {
  position: sticky;
  z-index: var(--layer-sticky);
  inset-block-start: 0;
  border-block-end: var(--stroke-hairline) solid var(--border-default);
  background: var(--background-default);
}

.site-header__inner {
  position: relative;
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.brand-lockup {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-xs);
  color: var(--ink-950);
  text-decoration: none;
}

.brand-lockup:hover {
  color: var(--ink-950);
  text-decoration: none;
}

.brand-lockup__mark {
  position: relative;
  display: grid;
  width: 3.2rem;
  height: 2rem;
  place-items: center;
  border-block: var(--stroke-hairline) solid var(--steel-400);
  color: var(--ink-950);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-lockup__mark::after {
  position: absolute;
  width: 1.35rem;
  height: 1.35rem;
  inset-inline-end: -0.35rem;
  border: var(--stroke-signal) solid var(--signal-red-700);
  border-radius: 50%;
  content: "";
}

.brand-lockup__text {
  display: grid;
  line-height: 1;
}

.brand-lockup__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-lockup__tagline {
  margin-block-start: var(--space-3xs);
  color: var(--steel-650);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-toggle,
.products-toggle {
  display: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: var(--stroke-hairline) solid var(--border-default);
  border-radius: var(--radius-sm);
  background: transparent;
}

.js .site-header .menu-toggle {
  display: inline-flex;
  gap: var(--space-2xs);
  padding-inline: var(--space-xs);
}

.menu-toggle__label {
  font-size: var(--type-body-small);
  font-weight: 600;
}

.menu-toggle__icon {
  display: grid;
  width: 1rem;
  gap: 0.3rem;
}

.menu-toggle__icon span {
  display: block;
  height: var(--stroke-strong);
  background: currentColor;
  transition: transform var(--duration-standard) var(--easing-standard);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon span:first-child {
  transform: translateY(0.25rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon span:last-child {
  transform: translateY(-0.25rem) rotate(-45deg);
}

.primary-nav {
  width: 100%;
  padding-block: var(--space-md);
}

html:not(.js) .site-header .site-header__inner {
  flex-wrap: wrap;
}

.js .site-header .primary-nav {
  position: absolute;
  z-index: var(--layer-overlay);
  inset-block-start: 100%;
  inset-inline: calc(-1 * var(--layout-gutter));
  display: none;
  width: auto;
  max-height: calc(100dvh - 4rem);
  padding: var(--space-md) var(--layout-gutter) var(--space-xl);
  overflow-y: auto;
  border-block-end: var(--stroke-hairline) solid var(--border-default);
  background: var(--background-default);
  box-shadow: var(--elevation-overlay);
}

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

.primary-nav__list {
  display: grid;
  gap: 0;
}

.primary-nav__item {
  border-block-end: var(--stroke-hairline) solid var(--border-default);
}

.primary-nav__link {
  position: relative;
  display: flex;
  min-height: 3rem;
  align-items: center;
  color: var(--ink-800);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

.primary-nav__link:hover {
  color: var(--flow-blue-800);
  text-decoration: none;
}

.primary-nav__link[aria-current="page"]::after {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  height: var(--stroke-signal);
  background: var(--signal-red-700);
  content: "";
}

.primary-nav__product-row {
  display: flex;
  align-items: center;
}

.primary-nav__product-row .primary-nav__link {
  flex: 1;
}

.js .site-header .products-toggle {
  display: inline-flex;
}

.products-toggle span,
.products-toggle span::after {
  display: block;
  width: 0.8rem;
  height: var(--stroke-strong);
  background: currentColor;
  content: "";
  transition: transform var(--duration-standard) var(--easing-standard);
}

.products-toggle span::after {
  transform: rotate(90deg);
}

.products-toggle[aria-expanded="true"] span::after {
  transform: rotate(0deg);
}

.products-panel {
  padding: var(--space-md) 0 var(--space-lg);
}

.products-panel__intro {
  padding-block-end: var(--space-md);
}

.products-panel__title {
  margin-block-start: var(--space-2xs);
  color: var(--ink-950);
  font-family: var(--font-display);
  font-size: var(--type-heading-4);
  font-weight: 600;
  line-height: 1.08;
}

.products-panel__intro .text-link {
  margin-block-start: var(--space-sm);
}

.products-panel__grid,
.products-panel__group ul {
  display: grid;
  gap: 0;
}

.products-panel__group > p {
  padding-block: var(--space-xs) var(--space-2xs);
  color: var(--steel-650);
  font-size: var(--type-meta);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.products-panel__group a {
  display: grid;
  min-height: 2.75rem;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  gap: var(--space-2xs);
  border-block-start: var(--stroke-hairline) solid var(--border-default);
  color: var(--ink-800);
  font-weight: 600;
  text-decoration: none;
}

.products-panel__group a:hover {
  color: var(--flow-blue-800);
}

.products-panel__group a span {
  color: var(--steel-650);
  font-family: var(--font-display);
  font-size: var(--type-caption);
  font-weight: 600;
}

.site-header__cta {
  width: 100%;
  margin-block-start: var(--space-md);
}

.menu-open {
  overflow: hidden;
}

.site-footer {
  border-block-start: var(--stroke-signal) solid var(--signal-red-700);
  background: var(--ink-950);
  color: var(--white);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-2xl);
}

.site-footer .brand-lockup {
  color: var(--white);
}

.site-footer .brand-lockup:hover {
  color: var(--white);
}

.site-footer .brand-lockup__mark {
  border-color: var(--steel-400);
  color: var(--white);
}

.site-footer .brand-lockup__tagline {
  color: var(--steel-200);
}

.site-footer__brand > p {
  margin-block-start: var(--space-md);
  color: var(--steel-200);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg) var(--grid-gap);
}

.site-footer__heading {
  margin-block-end: var(--space-xs);
  color: var(--white);
  font-size: var(--type-meta);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer__nav li + li {
  margin-block-start: var(--space-2xs);
}

.site-footer__nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--steel-200);
  text-underline-offset: 0.2em;
}

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

.site-footer__enquiries p:not(.site-footer__heading) {
  color: var(--steel-200);
  font-size: var(--type-body-small);
}

.site-footer__enquiries .text-link {
  margin-block-start: var(--space-xs);
  color: var(--white);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-lg);
  padding-block: var(--space-md);
  border-block-start: var(--stroke-hairline) solid var(--steel-650);
  color: var(--steel-200);
  font-size: var(--type-caption);
}

@media (min-width: 48rem) {
  .site-header__inner {
    min-height: 5rem;
  }

  .js .site-header .menu-toggle {
    display: none;
  }

  .primary-nav,
  .js .site-header .primary-nav,
  .js .site-header .primary-nav.is-open {
    position: static;
    display: flex;
    width: auto;
    max-height: none;
    align-items: center;
    gap: clamp(0.75rem, 0.5rem + 1vw, 1.5rem);
    padding: 0;
    overflow: visible;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .primary-nav__list {
    display: flex;
    align-items: stretch;
    gap: clamp(0.25rem, 0.1rem + 0.5vw, 0.75rem);
  }

  .primary-nav__item {
    position: relative;
    border: 0;
  }

  .primary-nav__item--products {
    position: static;
  }

  .primary-nav__link {
    min-height: 3rem;
    padding-inline: var(--space-2xs);
    font-size: var(--type-body-small);
  }

  .primary-nav__link[aria-current="page"]::after {
    inset-inline: var(--space-2xs);
  }

  .primary-nav__product-row .primary-nav__link {
    flex: 0 1 auto;
  }

  .products-toggle {
    min-width: 2.75rem;
    border-color: transparent;
  }

  .products-panel {
    position: absolute;
    z-index: var(--layer-dropdown);
    inset-block-start: 100%;
    inset-inline: 0;
    grid-template-columns: minmax(13rem, 0.75fr) minmax(0, 2fr);
    gap: var(--space-xl);
    padding: var(--space-xl);
    border: var(--stroke-hairline) solid var(--border-default);
    border-block-start: var(--stroke-signal) solid var(--signal-red-700);
    background: var(--white);
    box-shadow: var(--elevation-raised);
  }

  .products-panel:not([hidden]) {
    display: grid;
  }

  .products-panel__intro {
    padding-block-end: 0;
    padding-inline-end: var(--space-lg);
    border-inline-end: var(--stroke-hairline) solid var(--border-default);
  }

  .products-panel__grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
  }

  .site-header__cta {
    width: auto;
    margin-block-start: 0;
    padding-inline: var(--space-sm);
  }

  .site-footer__nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 75rem) {
  .brand-lockup__mark {
    width: 3.6rem;
  }

  .brand-lockup__name {
    font-size: 1.4rem;
  }

  .primary-nav__link {
    padding-inline: var(--space-xs);
    font-size: 1rem;
  }

  .site-header__cta {
    padding-inline: var(--space-md);
  }

  .site-footer__grid {
    grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 2fr);
    gap: var(--space-3xl);
    padding-block: var(--space-3xl);
  }
}

@media (max-width: 29.999rem) {
  .prototype-band__inner {
    display: grid;
    gap: var(--space-3xs);
  }

  .brand-lockup__tagline {
    display: none;
  }

}

@media (forced-colors: active) {
  .brand-lockup__mark::after,
  .primary-nav__link[aria-current="page"]::after {
    background: Highlight;
  }
}