.sb-dark-banner {
  background: var(--sb-dark, #1a1527);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.sb-dark-banner::before {
  content: '';
  position: absolute;
  top: -80px; left: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 70%);
  pointer-events: none;
}
.sb-dark-banner::after {
  content: '';
  position: absolute;
  bottom: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.sb-dark-banner__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.sb-dark-banner__eyebrow {
  display: inline-block;
  background: rgba(139,92,246,0.25);
  color: #a78bfa;
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.sb-dark-banner__title {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sb-dark-banner__desc {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin: 0 0 32px;
}
.sb-dark-banner__img-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.sb-dark-banner__img {
  width: 100%;
  max-width: 480px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.sb-dark-banner__img-placeholder {
  width: 100%;
  max-width: 460px;
  min-height: 300px;
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.sb-dark-banner__bg-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.18;
}
.sb-dark-banner__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 959px) {
  .sb-dark-banner__inner { grid-template-columns: 1fr; padding: 0 20px; }
  .sb-dark-banner__img-wrap { order: -1; }
}