.nav-open {
  overflow: hidden;
}

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.84);
  border-bottom: 1px solid var(--border-cream-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-nav .nav-left {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav .nav-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.site-nav .nav-logo img {
  display: block;
  width: auto;
  height: 24px;
}

.site-nav .nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  min-width: 0;
}

.site-nav .nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.site-nav .nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 16px;
}

.site-nav .nav-item > a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fog);
  transition: color var(--duration-fast) var(--ease-out-expo);
  white-space: nowrap;
}

.site-nav .nav-item > a:hover,
.site-nav .nav-item:hover > a,
.site-nav .nav-item:focus-within > a {
  color: var(--color-cream);
}

.site-nav .nav-chevron {
  width: 9px;
  height: 9px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.58;
  transition: transform var(--duration-fast) var(--ease-out-expo), opacity var(--duration-fast) var(--ease-out-expo);
}

.site-nav .nav-item:hover .nav-chevron,
.site-nav .nav-item:focus-within .nav-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.site-nav .nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 232px;
  padding: 8px;
  background: rgba(16, 15, 13, 0.97);
  border: 1px solid var(--border-cream-soft);
  border-radius: 10px;
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out-expo), transform var(--duration-fast) var(--ease-out-expo);
}

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

.site-nav .nav-dd-item {
  display: flex;
  align-items: center;
  padding: 11px 12px;
  border-radius: 8px;
  transition: background var(--duration-fast) var(--ease-out-expo), color var(--duration-fast) var(--ease-out-expo);
}

.site-nav .nav-dd-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.site-nav .nav-dd-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fog);
}

.site-nav .nav-dd-item:hover .nav-dd-label {
  color: var(--color-cream);
}

.site-nav .nav-dd-divider {
  height: 1px;
  margin: 6px 8px;
  background: var(--border-cream-soft);
}

.site-nav .nav-dd-item--utility .nav-dd-label {
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-ash);
}

.site-nav .nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
}

.site-nav .nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-cream);
}

.site-nav .nav-burger span {
  width: 22px;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--duration-fast) var(--ease-out-expo), opacity var(--duration-fast) var(--ease-out-expo);
}

.site-nav .nav-burger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.site-nav .nav-burger.open span:nth-child(2) {
  opacity: 0;
}

.site-nav .nav-burger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav-mobile-overlay {
  display: none;
}

@media (min-width: 769px) {
  .nav-mobile-overlay {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding-top: env(safe-area-inset-top, 0px);
    overflow-x: hidden;
  }

  .site-nav-inner {
    min-height: 56px;
    width: 100%;
    gap: 12px;
  }

  .site-nav .nav-left {
    max-width: calc(100% - 56px);
    gap: 0;
  }

  .site-nav .nav-logo {
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .site-nav .nav-center {
    display: none;
  }

  .site-nav .nav-burger {
    display: inline-flex;
  }

  .site-nav .nav-logo img {
    height: 20px;
    max-width: min(188px, calc(100vw - 96px));
    object-fit: contain;
  }

  .nav-mobile-overlay {
    position: fixed;
    inset: calc(56px + env(safe-area-inset-top, 0px)) 0 0;
    z-index: 99;
    display: none;
    background: var(--surface-premium, #050505);
    border-top: 1px solid var(--border-cream-soft);
    overflow-y: auto;
  }

  .nav-mobile-overlay.open {
    display: block;
  }

  .nav-mobile-shell {
    padding-top: 8px;
    padding-bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  }

  .nav-mobile-overlay .mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .nav-mobile-overlay .mobile-row-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 58px;
    padding: 0 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-cream);
    border-bottom: 1px solid rgba(245, 242, 234, 0.1);
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    text-decoration: none;
  }

  .nav-mobile-overlay .mobile-panel {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0 0 2px;
  }

  .nav-mobile-overlay .mobile-panel--standalone {
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(245, 242, 234, 0.1);
  }

  .nav-mobile-overlay .mobile-panel a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 4px 0 16px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.015em;
    color: var(--color-fog);
    text-decoration: none;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    transition: color var(--duration-fast) var(--ease-out-expo), padding-left var(--duration-fast) var(--ease-out-expo);
  }

  .nav-mobile-overlay .mobile-panel a + a {
    border-top: 1px solid rgba(245, 242, 234, 0.08);
  }

  .nav-mobile-overlay .mobile-panel a:hover {
    color: var(--color-cream);
    padding-left: 20px;
  }
}