.salt-story {
  position: relative;
  width: 100%;
  padding-bottom: 140px;
  background: var(--paper);
}

.salt-story-nav {
  position: sticky;
  top: 64px;
  z-index: 12;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(21, 21, 21, .9);
  backdrop-filter: blur(12px);
}

.salt-story-nav a {
  flex: 0 0 auto;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.salt-story-nav a.active,
.salt-story-nav a:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.salt-scene {
  padding: clamp(84px, 12vw, 170px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 118px;
}

.salt-scene-head {
  display: grid;
  grid-template-columns: minmax(110px, .28fr) minmax(0, 1fr);
  gap: 28px;
  width: min(1200px, calc(100% - 44px));
  margin: 0 auto clamp(56px, 9vw, 120px);
}

.salt-scene-number {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.salt-scene-head h3 {
  margin: 0 0 20px;
  font-size: clamp(44px, 7vw, 96px);
  line-height: .9;
}

.salt-question {
  max-width: 800px;
  margin: 0 0 20px;
  color: var(--accent);
  font-size: clamp(21px, 2.5vw, 34px);
  line-height: 1.15;
}

.salt-summary {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.salt-media-list {
  display: grid;
  gap: clamp(80px, 12vw, 180px);
}

.salt-media {
  width: min(1200px, calc(100% - 44px));
  margin: 0 auto;
}

.salt-media.right {
  width: min(760px, calc(100% - 44px));
  margin-right: max(22px, calc((100vw - 1200px) / 2));
}

.salt-media.left {
  width: min(820px, calc(100% - 44px));
  margin-left: max(22px, calc((100vw - 1200px) / 2));
}

.salt-media img,
.salt-media video {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  background: #000;
}

.salt-media figcaption {
  display: grid;
  grid-template-columns: minmax(120px, .28fr) minmax(0, 1fr);
  gap: 22px;
  padding-top: 13px;
  color: var(--muted);
  font-size: 13px;
}

.salt-media figcaption strong {
  color: var(--ink);
  font-size: 17px;
}

/* The stage-detail board is cropped slightly so its export canvas never reads
   as an additional black or white frame inside the Inhabiting chapter. */
#salt-inhabiting .salt-media-list > figure.salt-media.wide:first-of-type {
  overflow: hidden;
  background: transparent;
}

#salt-inhabiting .salt-media-list > figure.salt-media.wide:first-of-type > img {
  width: 106%;
  max-width: none;
  margin: -2.5% -3%;
  background: transparent;
}

#salt-inhabiting .salt-scene-number {
  display: none;
}

#salt-inhabiting .salt-scene-head {
  display: block;
  padding-left: 0;
}

#salt-origin .salt-scene-number {
  display: none;
}

#salt-origin .salt-scene-head {
  display: block;
  padding-left: 0;
}

.salt-layer-explorer {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(230px, .65fr);
  gap: 24px;
  padding: clamp(14px, 2vw, 26px);
  background: #030303;
  border: 1px solid var(--line);
}

.salt-layer-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.salt-layer-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 160ms ease;
}

.salt-layer-stage.changing img { opacity: 0; }

.salt-layer-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-content: start;
}

.salt-layer-controls button {
  min-height: 42px;
  padding: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
}

.salt-layer-controls button.active,
.salt-layer-controls button:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.salt-layer-label {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  color: var(--accent);
  font-size: 18px;
}

.salt-closing {
  width: min(1040px, calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(90px, 14vw, 190px) 0;
}

.salt-closing blockquote {
  margin: 0;
  font-size: clamp(32px, 5vw, 70px);
  line-height: 1.02;
}

.salt-closing p {
  max-width: 760px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 18px;
}

@media (max-width: 780px) {
  .salt-scene-head,
  .salt-media figcaption,
  .salt-layer-explorer { grid-template-columns: 1fr; }
  .salt-media.left,
  .salt-media.right { width: calc(100% - 44px); margin-right: auto; margin-left: auto; }
}