/* ============================================================================
   demos · extends notes.css (link that first)
   the notebook grammar, opened up: one big stage, hairlines, no glass, no pills.
   ============================================================================ */

/* ---------- the stage: one demo, given the room ---------- */
.stage{margin:clamp(2.2rem,6vh,3.4rem) 0 clamp(3rem,8vh,4.6rem)}

.stage-frame{position:relative;border:.5px solid var(--line2);background:#05070d;
  aspect-ratio:16/10;overflow:hidden}
.stage-frame::after{content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 90px 12px rgba(5,7,13,.75)}

/* poster + run affordance, all one button so the whole frame is the target */
.stage-run{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;
  background:none;cursor:pointer;display:block;color:inherit;font:inherit}
.stage-run img{width:100%;height:100%;object-fit:cover;display:block;
  filter:saturate(.92) contrast(1.02);
  transition:transform 1.2s var(--easeout),filter .6s var(--ease)}
.stage-run:hover img{transform:scale(1.018);filter:saturate(1) contrast(1.04)}

.run{position:absolute;left:clamp(1.1rem,3vw,2.2rem);bottom:clamp(1.1rem,3vw,2.2rem);
  z-index:2;display:inline-flex;align-items:center;gap:.65rem;
  padding:.85rem 1.3rem;border:.5px solid var(--line2);border-radius:3px;
  background:rgba(7,10,18,.82);
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:lowercase;
  color:var(--ink);
  transition:border-color .35s var(--ease),background .35s var(--ease)}
.stage-run:hover .run{border-color:var(--gold);background:rgba(7,10,18,.92)}
.run i{font-style:normal;color:var(--gold);font-size:9px;transform:translateY(.5px)}
.run-note{position:absolute;right:clamp(1.1rem,3vw,2.2rem);bottom:clamp(1.35rem,3vw,2.45rem);
  z-index:2;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;
  text-transform:lowercase;color:var(--w35)}
@media (max-width:620px){.run-note{display:none}}

/* live state: the iframe replaces the poster in place */
.stage-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.stage-frame.live .stage-run,.stage-frame.live::after{display:none}

/* ---------- stage meta: title left, spec ledger right ---------- */
.stage-meta{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:clamp(1.4rem,4vw,3.2rem);margin-top:clamp(1.4rem,3.5vh,2.2rem);
  padding-top:clamp(1.3rem,3vh,1.9rem);border-top:.5px solid var(--line)}
.stage-meta .kick{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;
  text-transform:lowercase;color:var(--gold);margin-bottom:.85rem;display:block}
.stage-meta h2{font-weight:800;font-size:clamp(1.7rem,3.6vw,2.6rem);letter-spacing:-.04em;
  line-height:1.02;color:var(--ink);text-transform:lowercase;margin-bottom:.85rem}
.stage-meta h2 .it{font-family:var(--serif);font-style:italic;font-weight:500;color:var(--gold)}
.stage-meta p{font-size:.97rem;line-height:1.72;color:var(--w50);max-width:54ch}
.stage-meta .acts{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}

/* spec ledger, the numbers that make the claim checkable */
.spec{display:grid;grid-template-columns:1fr;align-content:start;
  border-top:.5px solid var(--line)}
.spec div{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;
  padding:.62rem 0;border-bottom:.5px solid var(--line)}
.spec dt,.spec span:first-child{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;
  text-transform:lowercase;color:var(--w35)}
.spec b{font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--w70);
  font-variant-numeric:tabular-nums}
@media (max-width:820px){
  .stage-meta{grid-template-columns:1fr}
  .spec{margin-top:.4rem}
}

/* ---------- the rest: reuse .cards/.card from notes.css, add an open marker ---------- */
.sec-lbl{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:lowercase;
  color:var(--w35);display:flex;align-items:center;gap:.75rem;margin-bottom:1.4rem}
.sec-lbl::before{content:"";width:26px;height:1px;background:var(--gold)}
.card .rgo{display:block;margin-top:1rem;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.14em;text-transform:lowercase;color:var(--w35);
  transition:color .35s var(--ease)}
.card .rgo i{font-style:normal;color:var(--gold);display:inline-block;
  transition:transform .35s var(--ease)}
.card:hover .rgo{color:var(--ink)}
.card:hover .rgo i{transform:translate(2px,-2px)}

/* ---------- bottom cta: page width, one line high ---------- */
.endcta{margin-top:clamp(2.6rem,7vh,4rem);border:.5px solid var(--line2);
  padding:clamp(1.15rem,2.6vw,1.5rem) clamp(1.2rem,3vw,1.9rem);
  display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap}
.endcta p{font-size:.97rem;line-height:1.6;color:var(--w70);max-width:56ch;margin:0}
.endcta p b{color:var(--ink);font-weight:500}
.endcta .acts{display:flex;gap:.8rem;flex-wrap:wrap;flex:0 1 auto;min-width:0}

@media (prefers-reduced-motion:reduce){
  .stage-run img,.run,.card .rgo,.card .rgo i{transition:none}
  .stage-run:hover img{transform:none}
}