.subpage-hero-strip {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(26, 18, 36, 0.95) 100%);
  padding: 56px 24px;
  border-bottom: 2px solid var(--60s-future-teal);
  position: relative;
  z-index: 1;
}

.subpage-hero-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 50%, var(--crt-glow) 0%, transparent 50%);
  pointer-events: none;
}

.subpage-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: center;
  position: relative;
}

.subpage-hero-inner h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--analog-tech-cream);
  margin-bottom: 12px;
}

.subpage-hero-inner .lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.subpage-hero-img {
  width: 100%;
  max-width: 320px;
  max-height: 320px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--fallout-warm);
  box-shadow: 0 0 30px var(--crt-glow);
}

.subpage-split {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.subpage-rail {
  position: sticky;
  top: 80px;
  align-self: start;
}

.subpage-rail nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subpage-rail a {
  padding: 10px 16px;
  background: var(--surface);
  border-radius: 12px;
  font-size: 0.85rem;
  border-left: 3px solid transparent;
  transition: border-color 0.2s;
}

.subpage-rail a:hover {
  border-left-color: var(--primary);
}

.subpage-body h2 {
  font-size: 1.4rem;
  color: var(--analog-tech-cream);
  margin: 32px 0 14px;
}

.subpage-body h2:first-child {
  margin-top: 0;
}

.subpage-body p {
  color: rgba(253, 242, 248, 0.85);
  margin-bottom: 16px;
}

.subpage-body ul {
  margin: 0 0 16px 24px;
  color: rgba(253, 242, 248, 0.85);
}

.subpage-body li {
  margin-bottom: 8px;
}

.subpage-image-band {
  max-width: 500px;
  margin: 32px auto;
}

.subpage-image-band img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 16px;
  border: 2px solid var(--border);
}

.subpage-callout {
  background: rgba(236, 72, 153, 0.1);
  border-left: 4px solid var(--atomic-age-pink);
  padding: 20px 24px;
  border-radius: 0 16px 16px 0;
  margin: 24px 0;
}

.subpage-callout p {
  margin-bottom: 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .subpage-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .subpage-hero-img {
    margin: 0 auto;
  }

  .subpage-split {
    grid-template-columns: 1fr;
  }

  .subpage-rail {
    position: static;
  }

  .subpage-rail nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 375px) {
  .subpage-hero-strip,
  .subpage-split,
  .subpage-image-band {
    overflow-x: hidden;
    max-width: 100%;
  }

  .subpage-hero-img,
  .subpage-image-band img {
    max-width: 100%;
    max-height: 240px;
  }
}