.nervous-system-hero,
.nervous-system-atlas-hero {
  background: #f2f5f4;
}

body[data-page="nervous-system"] .system-visual {
  min-height: 300px;
  background: #eef3f2;
}

body[data-page="nervous-system"] .system-airway {
  inset: auto;
  left: 24%;
  width: 8.6rem;
  height: 6.4rem;
  border: 4px solid #526f78;
  border-radius: 54% 46% 48% 52%;
  background:
    radial-gradient(circle at 32% 44%, #dce8e5 0 13%, transparent 14%),
    radial-gradient(circle at 62% 35%, #dce8e5 0 10%, transparent 11%),
    radial-gradient(circle at 67% 67%, #dce8e5 0 12%, transparent 13%),
    #c9dcda;
}

body[data-page="nervous-system"] .system-airway::before {
  inset: 16%;
  border: 2px dashed rgba(82, 111, 120, 0.62);
  border-radius: 48%;
}

body[data-page="nervous-system"] .system-branch {
  top: 18%;
  left: 57%;
  width: 4.5rem;
  height: 8.7rem;
  border: 0;
  border-left: 0.65rem solid #66796f;
  border-radius: 48%;
  transform: rotate(9deg);
}

body[data-page="nervous-system"] .system-branch::before,
body[data-page="nervous-system"] .system-branch::after {
  position: absolute;
  width: 3.2rem;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(102, 121, 111, 0.78);
  content: "";
}

body[data-page="nervous-system"] .system-branch::before {
  top: 2.2rem;
  left: -1.3rem;
  transform: rotate(-34deg);
}

body[data-page="nervous-system"] .system-branch::after {
  top: 5.9rem;
  left: -0.2rem;
  transform: rotate(32deg);
}

body[data-page="nervous-system"] .system-alveoli {
  right: 20%;
  bottom: 18%;
  width: 6.2rem;
  height: 4.2rem;
  border: 3px solid #9b806a;
  border-radius: 42% 58% 50% 50%;
  background:
    repeating-radial-gradient(circle at 25% 45%, rgba(155, 128, 106, 0.22) 0 4px, transparent 5px 12px),
    #eadfd6;
}

body[data-page="nervous-system"] .system-focus {
  border-color: #587780;
  box-shadow: 0 0 0 7px rgba(88, 119, 128, 0.14);
  transform: translate(-20%, 24%);
}

body[data-page="nervous-system"] .system-number {
  background: #526f78;
}

body[data-page="nervous-system"] .system-tab.is-visited,
body[data-page="nervous-system"] .system-evidence.is-visited,
body[data-page="nervous-system-terms"] .system-term-card[open] {
  border-color: rgba(82, 111, 120, 0.74);
}

body[data-page="nervous-system"] .system-builder-output {
  border-left-color: #526f78;
}

@media (max-width: 960px) {
  body[data-page="nervous-system"] .system-visual {
    min-height: 270px;
  }
}

@media (max-width: 720px) {
  body[data-page="nervous-system"] .system-visual {
    min-height: 245px;
  }
}

@media (max-width: 480px) {
  body[data-page="nervous-system"] .system-airway {
    transform: scale(0.78);
    transform-origin: center;
  }

  body[data-page="nervous-system"] .system-branch {
    transform: rotate(9deg) scale(0.78);
  }

  body[data-page="nervous-system"] .system-alveoli {
    transform: scale(0.82);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-page="nervous-system"] .system-airway,
  body[data-page="nervous-system"] .system-branch,
  body[data-page="nervous-system"] .system-alveoli,
  body[data-page="nervous-system"] .system-focus {
    transition: none;
  }
}