.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  width: min(var(--max), calc(100% - 64px));
  min-height: 86px;
  margin-inline: auto;
  background: rgba(4, 5, 5, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 24px;
  font-weight: 900;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 28px;
  color: #071000;
  background: var(--lime);
  clip-path: polygon(50% 0, 100% 100%, 74% 100%, 50% 50%, 26% 100%, 0 100%);
  font-size: 0;
}

.desktop-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 800;
}

.desktop-nav a {
  color: #f2f5ec;
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.desktop-nav a.is-active,
.mobile-nav a.is-active {
  color: var(--lime);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid rgba(198, 255, 57, 0.72);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  background: rgba(12, 13, 13, 0.82);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.menu-button span {
  display: block;
  width: 17px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.mobile-nav {
  position: fixed;
  top: 76px;
  left: 24px;
  right: 24px;
  z-index: 19;
  display: none;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(8, 9, 9, 0.96);
  backdrop-filter: blur(18px);
}

.mobile-nav.is-open {
  display: grid;
  gap: 8px;
}

.mobile-nav a {
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 800;
}

.mobile-nav a:hover {
  background: rgba(173,241,41,0.12);
}

.mobile-nav a.is-active {
  background: rgba(173,241,41,0.12);
}