@layer sections {
  .anatomy { overflow: clip; }
  .anatomy__inner { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(2.5rem, 6vw, 7rem); align-items: center; }
  .anatomy__title { max-width: 12ch; }
  .anatomy__layers { display: grid; gap: 0; list-style: none; margin: 0.5rem 0; padding: 0; border-top: 1px solid var(--line); }
  .anatomy__layer { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; padding-block: 1.5rem; border-bottom: 1px solid var(--line); transition: background var(--dur-m), padding var(--dur-m) var(--ease-out); cursor: default; }
  .anatomy__layer.is-hot { background: color-mix(in oklab, var(--c-gold) 14%, transparent); padding-inline: 1.25rem; }
  .anatomy__num { font-family: var(--font-display); font-size: 2.25rem; line-height: 1; color: var(--accent-display); font-weight: 300; font-variant-numeric: lining-nums; letter-spacing: -0.04em; }
  .anatomy__layer-title { font-family: var(--font-display); font-size: var(--fs-h4); line-height: 1.1; letter-spacing: -0.015em; font-weight: 500; }
  .anatomy__layer-text { margin-top: 0.4rem; color: var(--fg-soft); max-width: 44ch; }

  .anatomy__figure { position: relative; margin: 0; }
  .anatomy__frame { position: relative; overflow: hidden; aspect-ratio: 1024 / 706; border-radius: var(--radius-xl); background: var(--c-ink); box-shadow: 0 60px 100px -50px rgb(21 12 8 / 0.7); }
  .anatomy__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }   /* frame ratio = photo ratio: the baked-in labels must never be cropped */
  .anatomy__warm { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(160deg, rgb(242 190 90 / 0.28), rgb(185 62 20 / 0.22)); mix-blend-mode: soft-light; }
  .anatomy__frame::after { content: ''; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.12); pointer-events: none; }

  .anatomy__hotspot { position: absolute; left: var(--x); top: var(--y); z-index: 3; display: grid; place-items: center; width: 2.4rem; height: 2.4rem; margin: -1.2rem 0 0 -1.2rem; }
  .anatomy__hotspot-dot { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: var(--c-gold); box-shadow: 0 0 0 3px rgb(21 12 8 / 0.65); }
  .anatomy__hotspot-ring { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--c-honey); animation: pulse-ring 2.4s var(--ease-out) infinite; animation-delay: calc(var(--i, 0) * 0.6s); }
  @keyframes pulse-ring { 0% { transform: scale(0.4); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }
  .anatomy__hotspot-label { position: absolute; left: 2.2rem; top: 50%; translate: 0 -50%; padding: 0.4rem 0.8rem; border-radius: var(--radius-pill); background: var(--c-ink); color: var(--c-cream); font-size: var(--fs-2xs); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap; opacity: 0; transform: translateX(-8px); transition: opacity 0.4s, transform 0.6s var(--ease-out); pointer-events: none; }
  .anatomy__hotspot:hover .anatomy__hotspot-label, .anatomy__hotspot:focus-visible .anatomy__hotspot-label, .anatomy__hotspot.is-on .anatomy__hotspot-label { opacity: 1; transform: none; }
  .anatomy__hotspot:last-of-type .anatomy__hotspot-label { left: auto; right: 2.2rem; }

  @media (max-width: 989px) {
    .anatomy__inner { grid-template-columns: 1fr; }
    .anatomy__figure { order: -1; }
  }
  @media (prefers-reduced-motion: reduce) { .anatomy__hotspot-ring { animation: none; } }
}