.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);

  background-color: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);

  min-height: 84px;
}

.site-header__brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--color-white);

  flex-shrink: 0;
  margin-right: var(--space-xl);
}

.site-header__menu-button {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;

  width: 48px;
  height: 48px;
  padding: 0;
  margin-left: auto;

  position: relative;
  z-index: 400;
}

.site-header__menu-button span {
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 999px;
}

@media (max-width: 768px) {
  .site-header__inner {
    min-height: 72px;
  }

  .site-header__menu-button {
    display: flex;
  }
}