.site_nav_wrap {
  position: sticky;
  top: 0;
  z-index: 32;
  height: 4.5rem;
  background-color: rgba(10, 9, 6, 0.72);
  border-bottom: var(--border-main) solid var(--color-border);
  backdrop-filter: blur(10px);
}

.site_nav_contain {
  width: var(--page-width);
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: center;
  height: 100%;
}

.site_brand_wrap {
  display: block;
  color: var(--color-ink);
}

.site_brand_logo {
  height: 2rem;
  width: auto;
  display: block;
}

.site_nav_links,
.site_nav_mobile_links {
  display: flex;
}

.site_nav_links {
  justify-content: flex-start;
  gap: var(--space-4);
}

.site_nav_link,
.site_nav_mobile_link {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.site_nav_link {
  font-size: var(--step--1);
  color: var(--color-ink-mid);
  transition: color var(--transition-fast);
}

.site_nav_link:hover,
.site_nav_link:focus-visible,
.site_nav_mobile_link:hover,
.site_nav_mobile_link:focus-visible {
  color: var(--color-ink);
}

.site_nav_button,
.site_nav_button_secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 3rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: var(--radius-soft);
  text-decoration: none;
  white-space: nowrap;
}

.site_nav_button_secondary {
  padding: 0 1.25rem;
  background-color: rgba(246, 245, 241, 0.04);
  color: var(--color-ink-mid);
  border: var(--border-main) solid var(--color-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.site_nav_button_secondary:hover,
.site_nav_button_secondary:focus-visible {
  background-color: rgba(246, 245, 241, 0.08);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}

.site_nav_button {
  gap: 0.5rem;
  padding: 0 1.5rem;
  background-color: #181818;
  color: var(--color-ink);
  border: var(--border-main) solid var(--color-border);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  justify-self: end;
}

.site_nav_button:hover,
.site_nav_button:focus-visible {
  background-color: #282828;
  color: var(--color-ink);
}

@keyframes site-nav-pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(242, 255, 0, 0.55); }
  55% { box-shadow: 0 0 0 5px rgba(242, 255, 0, 0); }
}

.site_nav_button_dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: #f2ff00;
  flex-shrink: 0;
  animation: site-nav-pulse-dot 2.2s ease-in-out infinite;
}

.site_nav_burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-soft);
  border: var(--border-main) solid var(--color-border);
  background: transparent;
  color: var(--color-ink);
  flex-shrink: 0;
}

.site_nav_burger:hover {
  background-color: rgba(246, 245, 241, 0.06);
}

.site_nav_burger_icon {
  display: block;
  width: 1.375rem;
  height: 0.875rem;
  position: relative;
}

.site_nav_burger_icon span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-main), opacity var(--transition-fast), top var(--transition-main);
}

.site_nav_burger_icon span:nth-child(1) { top: 0; }
.site_nav_burger_icon span:nth-child(2) { top: 50%; margin-top: -1px; }
.site_nav_burger_icon span:nth-child(3) { bottom: 0; top: auto; }

.site_nav_burger[aria-expanded="true"] .site_nav_burger_icon span:nth-child(1) {
  top: 50%;
  margin-top: -1px;
  transform: rotate(45deg);
}

.site_nav_burger[aria-expanded="true"] .site_nav_burger_icon span:nth-child(2) {
  opacity: 0;
}

.site_nav_burger[aria-expanded="true"] .site_nav_burger_icon span:nth-child(3) {
  top: 50%;
  margin-top: -1px;
  transform: rotate(-45deg);
}

.site_nav_mobile {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 9, 6, 0.72);
  backdrop-filter: blur(10px);
  z-index: 30;
  display: flex;
  flex-direction: column;
  padding: calc(4.5rem + var(--space-4)) var(--space-4) var(--space-5);
  gap: var(--space-4);
  transform: translateX(100%);
  transition: transform var(--transition-main);
}

.site_nav_mobile[aria-hidden="false"] {
  transform: translateX(0);
}

.site_nav_mobile_links {
  flex-direction: column;
  gap: var(--space-3);
}

.site_nav_mobile_link {
  font-size: var(--step-1);
  color: var(--color-ink-mid);
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

.site_nav_mobile_link.is-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  margin-top: var(--space-3);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-soft);
  border: var(--border-main) solid var(--color-border);
  background-color: rgba(246, 245, 241, 0.04);
  color: var(--color-ink-mid);
}

@media (max-width: 56em) {
  .site_nav_wrap {
    height: 3.5rem;
  }

  .site_nav_contain {
    grid-template-columns: auto 1fr auto auto;
    column-gap: 0.375rem;
    padding-left: 1rem;
    padding-right: 0.75rem;
  }

  .site_nav_links,
  .site_nav_button_secondary {
    display: none;
  }

  .site_nav_button {
    grid-column: 3;
    height: auto;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    letter-spacing: 0;
    border-radius: 0.375rem;
    gap: 0.5rem;
    align-self: center;
    justify-self: end;
  }

  .site_nav_burger {
    display: flex;
    grid-column: 4;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 0.375rem;
    align-self: center;
    background: none;
  }
}