/* ─────────────────────────────────────────────────────
   experiments.css — page-specific styling for
   experiments.html. Reuses .exp-* tokens from layout.css.
───────────────────────────────────────────────────── */

.ex-page {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 32px 80px;
  position: relative;
  z-index: 2;
  color: var(--photon);
}

.ex-top {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--moonlight);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--horizon);
  margin-bottom: 36px;
}
.ex-back {
  color: var(--starlight);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s var(--ease);
}
.ex-back:hover { color: var(--accent); }
.ex-top-sep { color: var(--rule-2); }
.ex-top-role { color: var(--moonlight); }

.ex-intro { padding: 6px 0 36px; }
.ex-id {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moonlight);
}
.ex-id::before { content: "— "; color: var(--accent); letter-spacing: 0; }
.ex-h {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  margin: 0 0 14px;
  font-variation-settings: "opsz" 96;
  max-width: 22ch;
}
.ex-lede {
  margin: 0 0 22px;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.55;
  color: var(--starlight);
  font-style: italic;
  max-width: 60ch;
}

.ex-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px dashed var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.ex-toc a {
  color: var(--moonlight);
  border-bottom: 1px dashed transparent;
  padding: 6px 2px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.ex-toc a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* Each experiment block */
.ex {
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--horizon);
  scroll-margin-top: 24px;
}
.ex:last-of-type { border-bottom: 0; }

.ex-hd { margin-bottom: 18px; }
.ex-hd h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: 0;
  font-variation-settings: "opsz" 48;
}
.ex-hd .ex-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--moonlight);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: 12px;
  font-weight: 400;
  font-variation-settings: normal;
}

/* Stage on the experiments page reuses the same tokens as
   the section but is slightly taller and full-width. */
.ex-stage {
  position: relative;
  width: 100%;
  height: 320px;
  background:
    radial-gradient(ellipse at 50% 70%, color-mix(in srgb, var(--bg-1) 92%, var(--accent) 8%) 0%, var(--bg-1) 55%, var(--bg) 100%);
  border: 1px solid var(--rule-2);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 24px 60px -34px rgba(0,0,0,0.7);
  margin-bottom: 14px;
}
.ex-stage::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-d), transparent);
  z-index: 2;
}
.ex-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.ex-readout {
  position: absolute;
  top: 12px; left: 14px;
  z-index: 3;
  pointer-events: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moonlight);
}
.ex-readout .r-name { color: var(--starlight); }
.ex-readout .r-meta {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--moonlight);
  font-variant-numeric: tabular-nums;
}

.ex-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px 24px;
  padding: 14px 16px;
  border: 1px solid var(--horizon);
  border-radius: 4px;
  background: var(--bg-1);
  margin-bottom: 22px;
}
.ex-controls:empty { display: none; }
.ex-control {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--moonlight);
}
.ex-control-label { color: var(--starlight); letter-spacing: 0.04em; }
.ex-control-val   { color: var(--accent); font-variant-numeric: tabular-nums; }
.ex-control-slider {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: 2px;
  appearance: none;
  -webkit-appearance: none;
  height: 2px;
  background: linear-gradient(
    to right,
    var(--accent) 0%,
    var(--accent) calc(var(--p, 0) * 100%),
    var(--rule-2) calc(var(--p, 0) * 100%),
    var(--rule-2) 100%
  );
  border-radius: 1px;
  outline: none;
  cursor: pointer;
}
.ex-control-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--bg-1);
  box-shadow: 0 0 8px var(--accent-d);
}
.ex-control-slider::-moz-range-thumb {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--bg-1);
  box-shadow: 0 0 8px var(--accent-d);
}

/* Prose body — reuses serif for warmth */
.ex-prose {
  max-width: 64ch;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.65;
  color: var(--starlight);
}
.ex-prose p { margin: 0 0 14px; }
.ex-prose em { color: var(--photon); font-style: italic; }
.ex-prose code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-1);
  padding: 1px 6px;
  border-radius: 2px;
  border: 1px solid var(--horizon);
  color: var(--accent-text);
}
.ex-eq {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.6;
  color: var(--accent-text);
  padding: 6px 12px;
  margin: 8px 0 18px !important;
  border-left: 2px solid var(--accent-d);
}

.ex-foot {
  display: flex;
  justify-content: space-between;
  padding: 30px 0 0;
  border-top: 1px solid var(--horizon);
  margin-top: 50px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--moonlight);
  letter-spacing: 0.05em;
}

@media (max-width: 720px) {
  .ex-page { padding: 24px 20px 60px; }
  .ex-stage { height: 240px; }
  .ex-controls { padding: 12px; gap: 12px 16px; }
}