.site-logo__mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #f97316 0, var(--color-primary) 40%, #4f46e5 100%);
  color: #0b1020;
  box-shadow: 0 0 0 1px rgba(248, 250, 252, 0.18), var(--shadow-sm);
  font-size: 0.9rem;
}

.site-logo__text {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.site-logo__tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-soft);
}

.site-header__menu-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.45);
  background-color: rgba(15, 23, 42, 0.85);
  color: var(--gray-100);
  font-size: var(--font-size-xs);
}

.site-header__menu-toggle:hover {
  border-color: var(--color-primary);
}

.site-header__menu-toggle-icon {
  position: relative;
  width: 1.1rem;
  height: 0.9rem;
}

.site-header__menu-toggle-icon::before,
.site-header__menu-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f97316, #ec4899);
  transition: transform var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal), opacity var(--transition-normal);
}

.site-header__menu-toggle-icon::before {
  top: 0;
}

.site-header__menu-toggle-icon::after {
  bottom: 0;
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-icon::before {
  top: 0.35rem;
  transform: rotate(45deg);
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-icon::after {
  bottom: 0.35rem;
  transform: rotate(-45deg);
}

.site-header__menu-toggle-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-header__nav {
  margin-left: auto;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-header__nav-item--cta {
  margin-left: var(--space-2);
}

.site-header__nav-cta {
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 3.3rem;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 0.98));
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .site-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
  }

  .site-header__nav-cta {
    width: 100%;
    justify-content: center;
  }

  .site-header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 480px) {
  .site-logo__tagline {
    display: none;
  }
}