/* =============================================
   NAVIGATION
   Fixed top bar + mobile drawer.
   ============================================= */

/* ---- Top bar ---- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 clamp(32px, 5vw, 80px);
  background-color: transparent;
  transition: background-color 0.3s ease-out, backdrop-filter 0.3s ease-out;
}

.site-nav.is-scrolled {
  background-color: oklch(from var(--color-parchment) l c h / 1);
  backdrop-filter: blur(4px);
  color: var(--color-charcoal);
  -webkit-backdrop-filter: blur(4px);
  border-bottom: 1px solid color-mix(in oklch, var(--color-clay) 32%, transparent);
}

/* Subpages: nav sits over dark banner photo until user scrolls */
.site-nav--over-banner:not(.is-scrolled) .site-nav__link {
  color: var(--color-parchment);
}

.site-nav--over-hero:not(.is-scrolled) .site-nav__brand,
.site-nav--over-hero:not(.is-scrolled) .site-nav__link,
.site-nav--over-hero:not(.is-scrolled) .site-nav__toggle {
  color: var(--color-parchment);
}

.site-nav--over-hero:not(.is-scrolled) .site-nav__brand,
.site-nav--over-hero:not(.is-scrolled) .site-nav__link {
  text-shadow: 0 1px 8px color-mix(in oklch, var(--color-obsidian) 35%, transparent);
}

.site-nav__brand {
  font-family: var(--font-sans);
  font-size: var(--fs-h4);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  line-height: 1;
}

/* Logo wrap — clips to the DOMA wordmark row only.
   SVG viewBox: 456.21 × 246. DOMA letterforms occupy y≈103–192 (89px).
   Rendered img height = 2.764 × wrap-h so DOMA fills the window.
   top offset = −115.7% of wrap-h shifts WK script above the clip edge.
   Wrap width = 5.124 × wrap-h matches the full-width DOMA span. */
.site-nav__logo-wrap {
  display: block;
  position: relative;
  height: clamp(20px, 2.5vw, 30px);
  width: clamp(102px, 13vw, 154px);
  overflow: hidden;
  flex-shrink: 0;
}

.site-nav__logo {
  display: block;
  height: 276.4%; /* 2.764 × wrap height — SVG scales so DOMA row fills window */
  width: auto;
  position: absolute;
  top: -115.7%; /* −1.157 × wrap height — pushes WK script above clip edge */
  left: 0;
  transition: opacity 0.2s ease-out;
}

.site-nav__logo--light { opacity: 1; }
.site-nav__logo--dark  { opacity: 0; }

.site-nav.is-scrolled .site-nav__logo--light { opacity: 0; }
.site-nav.is-scrolled .site-nav__logo--dark  { opacity: 1; }

/* Screen-reader only utility (if not already in base) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.site-nav--over-banner:not(.is-scrolled) .site-nav__link:hover,
.site-nav--over-banner:not(.is-scrolled) .site-nav__link.is-active {
  background-color: var(--color-charcoal);
  color: var(--color-parchment);
}

.site-nav--over-banner:not(.is-scrolled) .site-nav__toggle {
  color: var(--color-parchment);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  list-style: none;
}

/* Subpages add a "Home" item the home page does not carry. The row is
   sized for the home page's seven items, so the eight-item row gets a
   narrower gutter and gap to land at the same overall width. */
.site-nav--with-home {
  padding: 0 clamp(24px, 4vw, 64px);
}

.site-nav--with-home .site-nav__list {
  gap: clamp(12px, 2.2vw, 40px);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  padding: 4px 10px;
  border-radius: 0;
  transition: background-color 0.18s ease-out, color 0.18s ease-out;
}

.site-nav__link:hover,
.site-nav__link.is-active {
  background-color: var(--color-charcoal);
  color: var(--color-parchment);
}

.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  padding: 0;
}

/* ---- Mobile drawer ---- */
.nav-drawer {
  position: fixed;
  inset: 0;
  background-color: var(--color-parchment);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* Not `justify-content: center`: a centred flex column that outgrows the
     viewport overflows equally at both ends, and the top half is then
     unreachable — the menu appeared cut off "from the very top" on phones.
     Auto margins on the first/last child centre the stack while it fits and
     collapse to zero (top-aligned, scrollable) once it does not. */
  justify-content: flex-start;
  gap: clamp(var(--space-md), 5vh, var(--space-lg));
  padding:
    calc(var(--space-md) + env(safe-area-inset-top, 0px))
    clamp(24px, 5vw, 48px)
    calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-100%);
  transition: transform 0.45s var(--ease-spring);
  visibility: hidden;
}

.nav-drawer.is-open {
  transform: translateY(0);
  visibility: visible;
}

.nav-drawer__close {
  /* In flow (not absolute) so it never overlaps the first link, and sticky
     so it stays reachable when the list is tall enough to scroll */
  position: sticky;
  top: 0;
  align-self: flex-end;
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-charcoal);
}

.nav-drawer__list {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: clamp(var(--space-sm), 3vh, var(--space-md));
  margin-top: auto;
}

.nav-drawer__link {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: var(--fs-h2);
  color: var(--color-charcoal);
  line-height: 1.1;
  transition: color 0.2s ease-out;
}

.nav-drawer__link:hover {
  color: var(--color-terracotta);
}

.nav-drawer__link:active {
  background: var(--color-clay);
  color: var(--color-parchment);
  border-radius: 4px;
  padding: 0 8px;
  margin: 0 -8px;
}

/* ---- Language dropdown: nav bar ---- */
.site-nav__lang {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: clamp(16px, 2.5vw, 36px);
  padding-left: clamp(16px, 2.5vw, 36px);
  border-left: 1px solid color-mix(in oklch, var(--color-clay) 32%, transparent);
  flex-shrink: 0;
}

.site-nav__lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  padding: 0;
  transition: color 0.2s ease-out;
}

.site-nav__lang-trigger:hover {
  color: var(--color-terracotta);
}

.site-nav__lang-trigger .iconoir-globe {
  font-size: 18px;
  line-height: 1;
  color: var(--color-clay);
}

.site-nav__lang-chevron {
  font-size: 0.7rem;
  line-height: 1;
  transition: transform 0.2s ease-out;
}

.site-nav__lang-trigger[aria-expanded="true"] .site-nav__lang-chevron {
  transform: rotate(180deg);
}

.site-nav__lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background-color: oklch(from var(--color-parchment) l c h / 0.8);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border: 1px solid color-mix(in oklch, var(--color-clay) 18%, transparent);
  list-style: none;
  margin: 0;
  padding: 6px 0;
  min-width: 88px;
  box-shadow: 0 8px 28px color-mix(in oklch, var(--color-charcoal) 8%, transparent);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
}

.site-nav__lang-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav__lang-option {
  display: block;
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-clay);
  text-decoration: none;
  transition: color 0.15s ease-out, background-color 0.15s ease-out;
}

a.site-nav__lang-option:hover {
  color: var(--color-charcoal);
  background-color: color-mix(in oklch, var(--color-blush) 60%, transparent);
}

.site-nav__lang-option--active {
  color: var(--color-charcoal);
  cursor: default;
}

/* Over-hero/banner: light text state */
.site-nav--over-hero:not(.is-scrolled) .site-nav__lang-trigger,
.site-nav--over-banner:not(.is-scrolled) .site-nav__lang-trigger {
  color: var(--color-parchment);
}

.site-nav--over-hero:not(.is-scrolled) .site-nav__lang,
.site-nav--over-banner:not(.is-scrolled) .site-nav__lang {
  border-left-color: oklch(95% 0.008 60 / 0.25);
}

/* ---- Language selector: mobile drawer ---- */
.nav-drawer__lang {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: auto;
}

.nav-drawer__lang-item {
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-clay);
  text-decoration: none;
  transition: color 0.2s ease-out;
}

.nav-drawer__lang-item:not(.nav-drawer__lang-item--active):hover {
  color: var(--color-terracotta);
}

.nav-drawer__lang-item--active {
  color: var(--color-charcoal);
  cursor: default;
}

/* =============================================
   ABOUT DROPDOWN (desktop)
   ============================================= */

.site-nav__item--has-dropdown {
  position: relative;
}

.site-nav__link--dropdown {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.site-nav__dropdown-chevron {
  font-size: 0.6rem;
  line-height: 1;
  transition: transform 0.18s ease-out;
}

.site-nav__item--has-dropdown:hover .site-nav__dropdown-chevron,
.site-nav__item--has-dropdown:focus-within .site-nav__dropdown-chevron {
  transform: rotate(180deg);
}

.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: -10px; /* item padding (20px) − link padding (10px) = text columns align */
  transform: translateY(-6px);
  background-color: oklch(from var(--color-parchment) l c h / 0.6);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border: 1px solid color-mix(in oklch, var(--color-clay) 18%, transparent);
  list-style: none;
  margin: 0;
  padding: 10px 0 6px;
  min-width: 210px;
  box-shadow: 0 8px 28px color-mix(in oklch, var(--color-charcoal) 8%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
  z-index: 10;
}

.site-nav__item--has-dropdown:hover .site-nav__dropdown,
.site-nav__item--has-dropdown:focus-within .site-nav__dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav__dropdown-link {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: var(--fs-label-sm);
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease-out, background-color 0.15s ease-out;
}

.site-nav__dropdown-link:hover {
  color: var(--color-charcoal);
  background-color: color-mix(in oklch, var(--color-blush) 60%, transparent);
}

/* =============================================
   DRAWER SUB-LIST (mobile accordion)
   ============================================= */

.nav-drawer__item--has-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.nav-drawer__sub-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-clay);
  padding: 2px 8px;
  margin-top: -6px;
  line-height: 1;
  transition: transform 0.22s var(--ease-spring), color 0.2s ease-out;
}

.nav-drawer__sub-toggle .iconoir-nav-arrow-down {
  font-size: 1.1rem;
  display: block;
}

.nav-drawer__sub-toggle[aria-expanded="true"] {
  transform: rotate(180deg);
  color: var(--color-terracotta);
}

.nav-drawer__sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.32s var(--ease-spring), opacity 0.25s ease-out, margin 0.25s ease-out;
}

.nav-drawer__sub-list.is-open {
  max-height: 340px;
  opacity: 1;
  margin-top: 12px;
}

.nav-drawer__sub-link {
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-clay);
  text-decoration: none;
  transition: color 0.2s ease-out;
}

.nav-drawer__sub-link:hover {
  color: var(--color-terracotta);
}