.site-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: var(--z-header-controls, 160);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 280ms var(--ease-military, cubic-bezier(0.16, 1, 0.3, 1)),
    border-color 280ms ease;
  pointer-events: none;
}

.header-bar {
  pointer-events: none;
}

.header-chip {
  pointer-events: auto;
  border: 1px solid var(--color-border);
  background: rgba(7, 16, 14, 0.4);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    width 280ms cubic-bezier(0.16, 1, 0.3, 1),
    min-width 280ms cubic-bezier(0.16, 1, 0.3, 1),
    gap 280ms cubic-bezier(0.16, 1, 0.3, 1),
    padding 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.header-chip:hover {
  border-color: var(--color-accent);
  background: rgba(137, 143, 74, 0.14);
  box-shadow: 0 0 0 1px rgba(137, 143, 74, 0.2);
}

.menu-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  line-height: 1;
}

.menu-icon__open,
.menu-icon__close {
  grid-area: 1 / 1;
  transition: opacity 180ms ease, transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-icon__close {
  opacity: 0;
  transform: scale(0.7) rotate(-45deg);
  pointer-events: none;
}

.nav-menu-root.is-open .menu-icon__open {
  opacity: 0;
  transform: scale(0.7) rotate(45deg);
  pointer-events: none;
}

.nav-menu-root.is-open .menu-icon__close {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.site-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-nav, 140);
  display: grid;
  place-items: stretch;
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 360ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 360ms;
}

.site-nav.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.site-nav__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 13, 15, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.site-nav__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: clamp(10.4px, 2.2vh, 21.6px);
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  width: min(100%, 640px);
  margin-inline: auto;
  overflow: hidden;
  padding:
    calc(var(--header-height) + clamp(4px, 1vh, 8px))
    clamp(16px, 4vw, 24px)
    clamp(12px, 2.5vh, 24px);
}

.site-nav__top {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-nav__close {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  font-size: 28px;
  line-height: 1;
  opacity: 1;
}

.site-nav__close .icon-accent {
  position: relative;
  z-index: 2;
  font-size: 28px;
}

.site-nav__brand {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.5vw, 13.6px);
  text-align: left;
  opacity: 0;
  transform: translateY(12px);
}

.site-nav__crest {
  width: 240px;
  height: auto;
  flex-shrink: 0;
}

.site-nav__brand-text {
  min-width: 0;
}

.site-nav__name {
  font-size: clamp(17.6px, 3vw, 22.4px);
  letter-spacing: -1px;
  text-transform: uppercase;
  color: var(--color-accent);
  line-height: 1.1;
}

.site-nav__tagline {
  margin-top: 2.4px;
  font-size: clamp(11.2px, 1.8vw, 13.6px);
  color: var(--color-ink-muted);
  line-height: 1.3;
}

.site-nav__nav {
  display: flex;
  min-height: 0;
  align-items: center;
  overflow: hidden;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
}

.site-nav__list li {
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(14px);
}

.site-nav__list li:last-child {
  border-bottom: none;
}

.nav-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: clamp(8px, 1.6vh, 15.2px) clamp(13.6px, 2.5vw, 20px);
  transition: background 180ms ease;
}

.nav-link:hover {
  background: rgba(137, 143, 74, 0.12);
}

.nav-link__index {
  font-family: var(--font-display);
  font-size: 11.2px;
  letter-spacing: -0.5px;
  color: var(--color-accent);
  opacity: 0.7;
}

.nav-link__label {
  font-family: var(--font-display);
  font-size: clamp(16.8px, 2.8vw, 24.8px);
  text-transform: uppercase;
  letter-spacing: -1px;
  color: var(--color-accent-soft);
  line-height: 1.15;
  transition:
    color 180ms ease,
    transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover .nav-link__label {
  color: #fff;
  transform: translateX(4px);
}

.nav-link__arrow {
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-6px);
  transition:
    opacity 200ms ease,
    transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover .nav-link__arrow {
  opacity: 1;
  transform: translateX(0);
}

.site-nav__foot {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  gap: clamp(7.2px, 1.2vh, 11.2px);
  opacity: 0;
  transform: translateY(12px);
}

.site-nav__contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 5.6px 16px;
}

.site-nav__phone {
  font-family: var(--font-display);
  font-size: clamp(15.2px, 2.5vw, 18.4px);
  letter-spacing: -1px;
  color: var(--color-accent-soft);
  transition: color 180ms ease;
}

.site-nav__phone:hover,
.site-nav__email:hover {
  color: #fff;
}

.site-nav__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-nav__sound {
  flex: 0 0 auto;
  min-width: 104px;
}

.site-nav.is-open .site-nav__brand,
.site-nav.is-open .site-nav__list li,
.site-nav.is-open .site-nav__foot {
  animation: nav-item-in 480ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.site-nav.is-open .site-nav__brand {
  animation-delay: 60ms;
}

.site-nav.is-open .site-nav__list li {
  animation-delay: calc(100ms + var(--i, 0) * 40ms);
}

.site-nav.is-open .site-nav__foot {
  animation-delay: 320ms;
}

@keyframes nav-item-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .site-header {
  position: -webkit-sticky;
  position: sticky;
  z-index: var(--z-header-controls, 160);
  background: transparent;
  border-bottom-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

body.nav-open .header-chip {
  pointer-events: auto;
}

body.nav-open .hero-logo-link {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (max-height: 580px) {
  .site-nav__tagline {
    display: none;
  }

  .site-nav__crest {
    width: 36px;
  }

  .nav-link {
    padding-block: 6.4px;
  }

  .nav-link__label {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav.is-open .site-nav__brand,
  .site-nav.is-open .site-nav__list li,
  .site-nav.is-open .site-nav__foot {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .site-nav,
  .header-chip,
  .menu-icon__open,
  .menu-icon__close {
    transition: none;
  }
}