.sub-hero-strip {
  padding: 48px 24px 32px;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  position: relative;
  overflow: hidden;
}

.sub-hero-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grunge-noise);
  opacity: 0.6;
  pointer-events: none;
}

.sub-hero-strip h1 {
  max-width: 800px;
  margin: 0 auto;
  font-size: clamp(26px, 4vw, 36px);
  position: relative;
  z-index: 1;
  letter-spacing: -0.03em;
}

.sub-layout-sidebar {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.sub-rail {
  position: sticky;
  top: 72px;
  align-self: start;
}

.sub-rail img {
  max-width: 240px;
  max-height: 320px;
  object-fit: cover;
  border: 1px solid var(--border);
  clip-path: polygon(0 0, 100% 0, 94% 100%, 6% 100%);
  margin-bottom: 16px;
}

.sub-rail-nav a {
  display: block;
  font-size: 12px;
  font-family: ui-monospace, monospace;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px dashed rgba(255, 56, 100, 0.15);
}

.sub-content h2 {
  font-size: 20px;
  color: var(--secondary);
  margin: 32px 0 14px;
}

.sub-content h3 {
  font-size: 16px;
  color: var(--text);
  margin: 24px 0 10px;
}

.sub-content p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 16px;
}

.sub-content ul {
  margin: 0 0 18px 22px;
  color: var(--muted);
}

.sub-content li {
  margin-bottom: 8px;
}

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

  .sub-rail {
    position: static;
  }

  .sub-rail img {
    max-width: 100%;
  }
}

@media (max-width: 375px) {
  .sub-layout-sidebar {
    overflow-x: hidden;
  }

  .sub-rail img {
    width: 100%;
    max-height: 220px;
    object-fit: cover;
  }
}