/* ==========================================================================
   Layout — containers, sections, grids, site header, menu, footer
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
}

.page-main {
  padding-top: var(--header-height);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section {
  position: relative;
  padding: var(--section-pad) var(--gutter);
  background-color: var(--color-bg);
}

.section--md {
  padding-block: var(--section-pad-md);
}

.section--lg {
  padding-block: var(--section-pad-lg);
}

.section--intro {
  padding-top: clamp(40px, 6vw, 90px);
}

.section--flush-top {
  padding-top: 0;
}

.section--tight-bottom {
  padding-bottom: clamp(24px, 3.5vw, 48px);
}

.section--compact-intro {
  padding-block: clamp(28px, 4vw, 56px) clamp(40px, 6vw, 80px);
}

.section--raised {
  background-color: var(--color-bg-raised);
}

.section--ruled {
  border-top: 1px solid var(--color-border-subtle);
}

.section--grid-lines {
  background-image: repeating-linear-gradient(90deg, color-mix(in srgb, var(--color-text) 2.8%, transparent) 0 1px, transparent 1px 96px);
}

.section--light {
  --color-rule: var(--color-rule-on-light);
  background-color: var(--color-light);
  color: var(--color-ink);
}

.section--light .eyebrow {
  color: var(--color-secondary-on-light);
}

.section--light .label--secondary {
  color: var(--color-secondary-on-light);
}

.section--light .eyebrow__index {
  color: var(--color-ink-subtle);
}

.section--light .small-text {
  color: var(--color-ink-muted);
}

.section--light .note {
  color: var(--color-ink-subtle);
}

.section--light :focus-visible {
  outline-color: var(--color-ink);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: var(--stack-md);
}

.section-head--tight {
  margin-bottom: var(--stack-sm);
}

.section-head--flush {
  margin-bottom: 0;
}

.section-title {
  margin-bottom: var(--stack-md);
}

/* --------------------------------------------------------------------------
   Grids
   -------------------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--column-gap);
  align-items: start;
}

.split--center {
  align-items: center;
}

.auto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(var(--grid-min, var(--grid-min-sm)), 100%), 1fr));
  gap: var(--grid-gap, 2px);
}

.auto-grid--md {
  --grid-min: var(--grid-min-md);
}

.auto-grid--lg {
  --grid-min: var(--grid-min-lg);
}

/* Hairline-ruled grids: each cell draws its own 1px rule into the gap, so an
   incomplete last row ends cleanly instead of exposing a filled background. */
.ruled-grid {
  --grid-gap: 1px;
  gap: var(--grid-gap);
}

.ruled-grid--wide {
  --grid-gap: 2px;
}

.ruled-grid > * {
  min-width: 0;
  background-color: var(--color-bg);
  box-shadow: 0 0 0 1px var(--color-rule);
}

.section--light .ruled-grid > * {
  background-color: var(--color-light);
}

/* --------------------------------------------------------------------------
   Site header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  view-transition-name: site-header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-height);
  padding-inline: var(--gutter);
  background-color: color-mix(in srgb, var(--color-bg) 94%, transparent);
  border-bottom: 1px solid var(--color-border);
  transition:
    background-color 0.4s var(--ease-out),
    border-color 0.4s var(--ease-out);
}

@media (scripting: enabled) {
  .site-header--overlay:not(.is-scrolled) {
    background-color: transparent;
    border-bottom-color: transparent;
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 18px);
}

.site-header__current {
  font: 400 var(--text-label)/1 var(--font-mono);
  letter-spacing: var(--tracking-label);
  color: var(--color-accent);
  white-space: nowrap;
}

@media (max-width: 719px) {
  .site-header__current {
    display: none;
  }
}

@media (max-width: 379px) {
  .site-header__cta-suffix {
    display: none;
  }
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-text);
}

.brand__wordmark {
  font-size: clamp(1.25rem, 2.4vw, 1.625rem);
  font-weight: 900;
  font-stretch: 118%;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-secondary);
}

.brand__descriptor {
  font: 300 clamp(0.625rem, 1vw, 0.6875rem)/1 var(--font-mono);
  letter-spacing: 0.48em;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.brand--footer {
  margin-bottom: 16px;
}

.brand--footer .brand__wordmark {
  font-size: 1.625rem;
}

.brand--footer .brand__descriptor {
  font-size: var(--text-label);
}

/* --------------------------------------------------------------------------
   Menu (full-screen dialog)
   -------------------------------------------------------------------------- */

.menu {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
}

.menu[open] {
  display: flex;
  flex-direction: column;
}

/* The menu is full-screen and opaque itself; a transparent backdrop lets its
   wipe show over the page instead of over a black screen. */
.menu::backdrop {
  background-color: transparent;
}

.menu__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding-inline: var(--gutter);
  border-bottom: 1px solid var(--color-border);
}

.menu__title {
  font: 300 var(--text-label)/1 var(--font-mono);
  letter-spacing: 0.5em;
  color: var(--color-text-subtle);
}

.menu__nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(20px, 5vw, 64px) var(--gutter);
}

.menu__list {
  width: 100%;
  max-width: var(--container);
  margin: auto;
}

.menu__link {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding-block: clamp(8px, 1.2vw, 13px);
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text);
}

.menu__link:hover {
  color: var(--color-accent);
}

.menu__link--last {
  border-bottom: 0;
}

.menu__link--enquire {
  color: var(--color-accent);
}

.menu__link--enquire:hover {
  color: var(--color-secondary);
}

.menu__link[aria-current="page"] .menu__index {
  color: var(--color-accent);
}

.menu__link[aria-current="page"] .menu__label::after {
  content: "";
  display: inline-block;
  width: 0.22em;
  height: 0.22em;
  margin-left: 0.3em;
  vertical-align: 0.12em;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.menu__index {
  min-width: 34px;
  font: 300 var(--text-meta) var(--font-mono);
  color: var(--color-text-faint);
}

.menu__label {
  font-size: clamp(1.625rem, 5.2vw, 3.625rem);
  font-weight: 800;
  font-stretch: 112%;
  letter-spacing: -0.035em;
  line-height: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .menu[open] {
    animation: kv-wipe 0.5s var(--ease-out) both;
  }

  .menu.is-closing {
    animation: kv-unwipe var(--duration-exit) var(--ease-out) both;
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu[open] {
    animation: kv-fade 0.15s var(--ease-out) both;
  }
}

/* --------------------------------------------------------------------------
   Site footer
   -------------------------------------------------------------------------- */

.site-footer {
  position: relative;
  padding: clamp(44px, 6vw, 80px) var(--gutter) 34px;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(210px, 100%), 1fr));
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--color-border);
}

.site-footer__tagline {
  max-width: 30ch;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-text-subtle);
}

.site-footer__heading {
  margin-bottom: 16px;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  font-size: 0.8125rem;
}

/* Padding rather than gap gives each link a tap target of at least 24px. */
.site-footer__links a,
.site-footer__links span {
  display: inline-block;
  padding-block: 4px;
}

.site-footer__links a {
  color: var(--color-text-soft);
  overflow-wrap: anywhere;
}

.site-footer__links a:hover {
  color: var(--color-accent);
}

.site-footer__contact {
  font: 300 0.75rem/1.5 var(--font-mono);
  color: var(--color-text-subtle);
}

.site-footer__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding-top: 22px;
  font: 300 var(--text-label)/1.5 var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
}