.sub-hero-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sub-hero-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--tech-circuit);
  opacity: 0.5;
  pointer-events: none;
}

.sub-hero-strip h1 {
  position: relative;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
  text-shadow: var(--neon-glow);
}

.sub-hero-strip p {
  position: relative;
  color: var(--muted);
  font-size: 14px;
  margin-top: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.sub-split {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.sub-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin: 32px 0 12px;
  letter-spacing: 0.04em;
}

.sub-content h2:first-child {
  margin-top: 0;
}

.sub-content p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 14px;
}

.sub-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.sub-content li {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.sub-rail {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sub-rail-img {
  width: 100%;
  max-width: 300px;
  max-height: 220px;
  object-fit: contain;
  object-position: center;
  display: block;
  border: 2px solid var(--accent);
  border-radius: 4px;
  margin-bottom: 16px;
  box-shadow: var(--neon-glow);
}

.sub-rail-band {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 4px;
}

.sub-rail-band strong {
  display: block;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.sub-rail-band span {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.sub-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.sub-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px;
  text-align: center;
}

.sub-stat strong {
  display: block;
  font-size: 1.2rem;
  color: var(--accent);
  font-family: ui-monospace, Menlo, Consolas, monospace;
}

.sub-stat span {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 768px) {
  .sub-split {
    grid-template-columns: 1fr;
  }

  .sub-rail {
    position: static;
    max-width: 100%;
    overflow: hidden;
  }

  .sub-rail-img {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
  }
}