/* Concept C — The Operator's Table. Product-grade dark UI, styled like the BoostSR app. */

:root {
  --stage-h: 560px;
  --hair: 1px solid var(--color-border);
}
body { background:
  radial-gradient(900px 520px at 78% -8%, oklch(35% .04 350 / .35), transparent 65%),
  var(--color-bg);
  background-attachment: fixed;
}
[data-mode='light'] body { background:
  radial-gradient(900px 520px at 78% -8%, oklch(90% .04 350 / .45), transparent 65%),
  var(--color-bg); }

.num, .tabular { font-family: var(--font-mono); font-variant-numeric: tabular-nums lining-nums; }
.micro-label, .kicker, .eyebrow, .col-h {
  font-size: 0.6875rem; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 600; color: var(--color-text-faint);
}
.kicker { color: var(--color-primary); }
main { display: block; }
section { scroll-margin-top: 72px; }

/* ---------- topbar ---------- */
.topbar { position: sticky; top: 0; z-index: 40; backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--color-bg) 82%, transparent); border-bottom: var(--hair); }
.topbar-in { max-width: 1400px; margin: 0 auto; padding: .6rem clamp(.75rem, 2vw, 1.5rem);
  display: flex; align-items: center; gap: var(--space-4); }
.brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--color-text); }
.brand-mark { color: var(--color-primary); flex: none; }
.brand-name { font-weight: 700; letter-spacing: -.02em; }
.brand-sep, .brand-sub { color: var(--color-text-faint); font-size: var(--text-sm); }
.rail { display: flex; align-items: center; gap: .75rem; margin-inline: auto; }
.rail-svg { color: var(--color-border); overflow: visible; }
.rail-line { stroke-width: 1.5; }
.rail-fill { stroke: var(--color-primary); stroke-width: 1.5; transition: all .45s var(--ease-out); }
.rail-dot { fill: var(--color-bg); stroke: var(--color-border); stroke-width: 1.5; cursor: pointer; transition: all .25s var(--ease-out); }
.rail-dot.done { stroke: var(--color-primary); fill: var(--color-primary); }
.rail-dot.active { stroke: var(--color-primary); fill: var(--color-primary); r: 5.5; }
.rail-label { font-size: var(--text-xs); color: var(--color-text-muted); white-space: nowrap; }
.rail-label .num { color: var(--color-text); }
.rail-of { color: var(--color-text-faint); margin-right: .35rem; }
.topbar-actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; }

/* ---------- buttons ---------- */
.btn-primary, .btn-quiet, .btn-ghost, .btn-icon, .btn-link {
  border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 550;
  transition: var(--transition-interactive); white-space: nowrap; text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: var(--color-primary-ink); padding: .5rem .85rem; display: inline-block; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary.lg { padding: .7rem 1.15rem; font-size: var(--text-base); }
.btn-primary.sm { padding: .42rem .75rem; }
.btn-quiet { border: var(--hair); padding: .5rem .85rem; color: var(--color-text-muted); display: inline-block; }
.btn-quiet:hover { color: var(--color-text); border-color: var(--color-text-faint); }
.btn-ghost { color: var(--color-text-muted); padding: .5rem .7rem; border: 1px solid transparent; }
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-border); }
.btn-ghost[aria-pressed="true"] { color: var(--color-primary); border-color: color-mix(in oklab, var(--color-primary) 45%, transparent); }
.btn-ghost.sm { padding: .25rem .6rem; font-size: var(--text-xs); }
.btn-icon { border: var(--hair); width: 32px; height: 32px; display: grid; place-items: center; color: var(--color-text-muted); }
.btn-icon:hover { color: var(--color-text); }
.btn-link { color: var(--color-primary); border-bottom: 1px solid color-mix(in oklab, var(--color-primary) 40%, transparent);
  border-radius: 0; padding: .15rem 0; }
kbd { font-family: var(--font-body); font-size: .95em; line-height: 1; border: var(--hair); border-radius: 4px; padding: .05em .4em; color: var(--color-text); }

/* ---------- hero ---------- */
.hero { max-width: 1400px; margin: 0 auto; padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 3vw, 2rem) clamp(2rem, 4vw, 3.5rem);
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: var(--space-10); align-items: center; }
.hero h1 { font-size: var(--text-2xl); margin: .5rem 0 .75rem; letter-spacing: -.035em; }
.lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 30ch; line-height: 1.35; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin: var(--space-6) 0 var(--space-8); }
.hero-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px;
  background: var(--color-border); border: var(--hair); border-radius: var(--radius-lg); overflow: hidden; }
.hero-stats > div { background: var(--color-surface); padding: .8rem .9rem; }
.hero-stats dt { font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-faint); }
.hero-stats dd { font-family: var(--font-mono); font-size: 1.05rem; margin-top: .25rem; font-variant-numeric: tabular-nums; }
.hero-stats .sub { display: block; font-family: var(--font-body); font-size: var(--text-xs); color: var(--color-text-muted); margin-top: .1rem; }
.hero-hint { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); max-width: 56ch; }
.hero-art { position: relative; display: grid; place-items: center; }
.hero-art img { width: min(100%, 260px); border-radius: var(--radius-xl); }
.hero-glow { position: absolute; inset: 8% 4%; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--mauve) 22%, transparent), transparent 70%); filter: blur(28px); }

/* ---------- stage ---------- */
.stage-wrap { max-width: 1400px; margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem) var(--space-16); }
.stage-head { display: flex; flex-wrap: wrap; gap: var(--space-5); align-items: flex-end; justify-content: space-between;
  padding-bottom: var(--space-4); border-bottom: var(--hair); margin-bottom: var(--space-5); }
.stage-head h2 { font-size: var(--text-xl); margin-top: .3rem; }
.stage-sub { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: .35rem; max-width: 62ch; }
.stage-nav { display: flex; flex-wrap: wrap; gap: .35rem; }
.tab { border: var(--hair); border-radius: var(--radius-full); padding: .35rem .75rem; font-size: var(--text-xs);
  color: var(--color-text-muted); display: inline-flex; align-items: center; gap: .45rem; transition: var(--transition-interactive); }
.tab .n { font-family: var(--font-mono); color: var(--color-text-faint); }
.tab:hover { color: var(--color-text); border-color: var(--color-text-faint); }
.tab[aria-selected="true"] { background: var(--color-surface-2); color: var(--color-text); border-color: var(--color-primary); }
.tab[aria-selected="true"] .n { color: var(--color-primary); }
.tab.answered::after { content: "✓"; color: var(--emerald); font-size: .8em; }

.stage { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.16fr) minmax(0, 0.92fr);
  gap: 1px; background: var(--color-border); border: var(--hair); border-radius: var(--radius-lg); overflow: hidden; }
.col { background: var(--color-bg); display: flex; flex-direction: column; min-width: 0; }
.col-shelf { background: var(--color-surface); }
.col-h { padding: .6rem .9rem; border-bottom: var(--hair); background: color-mix(in oklab, var(--color-surface) 60%, transparent); }
.col-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3);
  min-height: var(--stage-h); max-height: 74vh; overflow-y: auto; scrollbar-width: thin; }
.col-body > * { flex: 0 0 auto; }
.col-body::-webkit-scrollbar { width: 6px; }
.col-body::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
.stage-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-4); flex-wrap: wrap; }
.stage-source { font-size: .68rem; color: var(--color-text-faint); max-width: 70ch; line-height: 1.5; }

/* ---------- cards ---------- */
.card { border: var(--hair); border-radius: var(--radius-md); background: var(--color-surface); padding: .75rem .85rem; }
.card.flat { background: transparent; }
.card-l { font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-faint); }
.card-v { font-family: var(--font-mono); font-size: 1.35rem; line-height: 1.15; margin-top: .3rem; font-variant-numeric: tabular-nums; }
.card-n { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: .35rem; line-height: 1.5; }
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.chip { display: inline-flex; align-items: center; gap: .35rem; font-size: var(--text-xs); border-radius: var(--radius-full);
  padding: .18rem .55rem; border: var(--hair); color: var(--color-text-muted); font-family: var(--font-mono); }
.chip.up { color: var(--emerald); border-color: color-mix(in oklab, var(--emerald) 40%, transparent);
  background: color-mix(in oklab, var(--emerald) 12%, transparent); }
.chip.down { color: var(--rose); border-color: color-mix(in oklab, var(--rose) 40%, transparent);
  background: color-mix(in oklab, var(--rose) 12%, transparent); }
.chip.warn { color: var(--amber); border-color: color-mix(in oklab, var(--amber) 40%, transparent);
  background: color-mix(in oklab, var(--amber) 12%, transparent); }
.chip.info { color: var(--sky); border-color: color-mix(in oklab, var(--sky) 40%, transparent); }
.query-chip { font-family: var(--font-mono); background: var(--color-surface-2); }
.query-chip::before { content: "⌕"; opacity: .6; }
.note { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.55; }
.note.small { font-size: .68rem; color: var(--color-text-faint); }
.divider { height: 1px; background: var(--color-divider); margin: .25rem 0; }

/* shelf */
.shelf-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.result { display: grid; grid-template-columns: 68px minmax(0, 1fr); gap: .75rem; padding: .65rem;
  border: var(--hair); border-radius: var(--radius-md); background: var(--color-bg); transition: var(--transition-interactive); }
.result.win { border-color: color-mix(in oklab, var(--emerald) 55%, transparent); box-shadow: 0 0 0 1px color-mix(in oklab, var(--emerald) 22%, transparent); }
.result.lose { opacity: .82; }
.result.dim { opacity: .38; filter: grayscale(.5); }
.result-img { width: 68px; height: 68px; border-radius: var(--radius-sm); overflow: hidden; background: #fff; display: grid; place-items: center; }
.result-img img { width: 100%; height: 100%; object-fit: contain; }
.result-img.noimg { background: var(--color-surface-2); font-family: var(--font-mono); font-size: .65rem; color: var(--color-text-faint); text-align: center; padding: .25rem; }
.result-t { display: block; font-size: var(--text-sm); font-weight: 550; line-height: 1.3; }
.result-m, .clickable-hint { display: flex; }
.clickable-hint { display: block; margin-top: .3rem; }
.result-m { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .4rem; }
.result-pos { font-family: var(--font-mono); font-size: .68rem; color: var(--color-text-faint); }
button.result { text-align: left; width: 100%; cursor: pointer; }
button.result:hover { border-color: var(--color-primary); }
.clickable-hint { font-size: .68rem; color: var(--color-primary); }

/* decision */
.choice { display: block; width: 100%; text-align: left; border: var(--hair); border-radius: var(--radius-md);
  padding: .7rem .8rem; background: var(--color-surface); transition: var(--transition-interactive); }
.choice:hover { border-color: var(--color-primary); transform: translateY(-1px); }
.choice-t { display: block; font-size: var(--text-sm); font-weight: 600; }
.choice-d { display: block; font-size: var(--text-xs); color: var(--color-text-muted); margin-top: .2rem; line-height: 1.5; }
.choice[data-state="chosen"] { border-color: var(--color-primary); background: color-mix(in oklab, var(--color-primary) 10%, var(--color-surface)); }
.choice[data-state="muted"] { opacity: .45; }
.reveal { border-left: 2px solid var(--color-primary); background: var(--color-surface-2); padding: .75rem .85rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0; animation: fade .35s var(--ease-out); }
.reveal h4 { font-size: var(--text-sm); margin-bottom: .35rem; }
.reveal p { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.6; }
.reveal p + p { margin-top: .5rem; }
.reveal .split { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .6rem; }
.reveal .split div { border: var(--hair); border-radius: var(--radius-sm); padding: .45rem .55rem; }
.reveal .split .lbl { display: block; font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-faint); }
.reveal .split .val { display: block; font-size: var(--text-xs); margin-top: .2rem; line-height: 1.45; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.fadein { animation: fade .35s var(--ease-out); }

/* envelope / artifacts */
.artifact { border: var(--hair); border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface); }
.artifact-h { display: flex; gap: .5rem; align-items: center; padding: .55rem .7rem; border-bottom: var(--hair); }
.artifact-h .ico { color: var(--color-primary); flex: none; }
.artifact-h .t { font-size: var(--text-xs); font-weight: 600; letter-spacing: .01em; }
.artifact-b { padding: .6rem .7rem; font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.6; }
.envelope-btn { border: 1px dashed var(--color-border); border-radius: var(--radius-md); padding: .8rem; text-align: center;
  width: 100%; color: var(--color-text-muted); font-size: var(--text-sm); }
.envelope-btn:hover { border-color: var(--color-primary); color: var(--color-text); }

/* sankey */
.sankey { width: 100%; height: auto; }
.sankey text { font-family: var(--font-mono); font-size: 8.5px; fill: var(--color-text-muted); }
.sankey text.hd { fill: var(--color-text-faint); font-size: 7.5px; letter-spacing: .08em; }
.sankey text.nm { fill: var(--color-text); font-size: 8px; }
.sankey .flow { transition: opacity .3s var(--ease-out); }

.replay { list-style: none; margin: .25rem 0; display: grid; gap: .55rem; border-left: 1px solid var(--color-divider); padding-left: .9rem; }
.replay li { position: relative; font-family: var(--font-mono); font-size: .72rem; line-height: 1.5; color: var(--color-text); }
.replay li::before { content: ""; position: absolute; left: -1.16rem; top: .45rem; width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-bg); border: 1.5px solid var(--color-text-faint); }
.replay li:last-child::before { border-color: var(--color-primary); background: var(--color-primary); }

/* ledger */
.ledger { border: var(--hair); border-radius: var(--radius-md); overflow: hidden; }
.ledger-row { display: grid; grid-template-columns: 96px minmax(0,1fr); gap: .5rem; padding: .5rem .7rem; border-bottom: 1px solid var(--color-divider); }
.ledger-row:last-child { border-bottom: 0; }
.ledger-k { font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-faint); }
.ledger-v { font-size: var(--text-xs); line-height: 1.5; }
.memory { border: var(--hair); border-radius: var(--radius-md); background: var(--color-surface); padding: .6rem .7rem; }
.memory li { list-style: none; font-family: var(--font-mono); font-size: .68rem; color: var(--color-text-muted);
  padding: .3rem 0; border-bottom: 1px solid var(--color-divider); display: flex; gap: .5rem; }
.memory li:last-child { border-bottom: 0; }
.memory li .st { flex: none; }
.approve-row { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.btn-approve { background: color-mix(in oklab, var(--emerald) 16%, transparent); border: 1px solid color-mix(in oklab, var(--emerald) 50%, transparent);
  color: var(--emerald); padding: .55rem; border-radius: var(--radius-md); font-weight: 600; font-size: var(--text-sm); }
.btn-reject { background: color-mix(in oklab, var(--rose) 12%, transparent); border: 1px solid color-mix(in oklab, var(--rose) 45%, transparent);
  color: var(--rose); padding: .55rem; border-radius: var(--radius-md); font-weight: 600; font-size: var(--text-sm); }
.btn-approve:hover, .btn-reject:hover { filter: brightness(1.15); }

.lift-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
.lift { border: var(--hair); border-radius: var(--radius-md); padding: .55rem .65rem; background: var(--color-surface); }
.lift .v { font-family: var(--font-mono); font-size: 1.1rem; color: var(--emerald); }
.lift .k { font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; color: var(--color-text-faint); margin-top: .15rem; }
.quote { border-left: 2px solid var(--color-primary); padding-left: .75rem; font-size: var(--text-sm); line-height: 1.5; }
.quote cite { display: block; font-style: normal; font-size: var(--text-xs); color: var(--color-text-faint); margin-top: .4rem; }

/* ---------- season ---------- */
.season, .founder, .faq { max-width: 1400px; margin: 0 auto; padding: var(--space-16) clamp(1rem, 3vw, 2rem); border-top: var(--hair); }
.sec-head { margin-bottom: var(--space-8); }
.sec-head h2 { font-size: var(--text-xl); margin-top: .35rem; }
.sec-sub { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: .5rem; }
.season-grid { display: grid; grid-template-columns: 200px minmax(0, 1fr) minmax(0, 1.15fr); gap: var(--space-6); align-items: start; }
.wheel { display: flex; flex-direction: column; gap: .3rem; }
.spoke { border: var(--hair); border-radius: var(--radius-md); padding: .5rem .7rem; text-align: left; transition: var(--transition-interactive); }
.spoke .m { display: block; font-family: var(--font-mono); font-size: .65rem; color: var(--color-text-faint); }
.spoke .l { display: block; font-size: var(--text-sm); font-weight: 550; margin-top: .1rem; }
.spoke:hover { border-color: var(--color-text-faint); }
.spoke[aria-selected="true"] { border-color: var(--color-primary); background: color-mix(in oklab, var(--color-primary) 10%, transparent); }
.spoke[aria-selected="true"] .m { color: var(--color-primary); }
.wheel-note { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-4); line-height: 1.6; }
.listing-card { border: var(--hair); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); }
.listing-img { display: grid; place-items: center; padding: var(--space-5); transition: background .5s var(--ease-out); }
.listing-img img { width: min(100%, 190px); }
[data-act="swap-week"] { white-space: normal; text-align: left; line-height: 1.35; }
.listing-copy { padding: var(--space-4); border-top: var(--hair); }
.listing-title { font-size: var(--text-sm); font-weight: 600; margin: .5rem 0 .4rem; line-height: 1.35; }
.bullets { margin-left: 1rem; }
.bullets li { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.55; }
.listing-asin { font-size: .68rem; color: var(--color-text-faint); margin-top: .5rem; }
.listing-alt { font-size: .68rem; color: var(--color-text-faint); margin-top: .2rem; }
.truth-rail { margin-top: var(--space-4); border: var(--hair); border-radius: var(--radius-md); padding: .7rem .8rem; }
.truth-rail ul { margin-top: .4rem; display: flex; flex-wrap: wrap; gap: .35rem; }
.truth-rail li { list-style: none; font-size: .68rem; font-family: var(--font-mono); color: var(--color-text-muted);
  border: var(--hair); border-radius: var(--radius-full); padding: .12rem .5rem; }
.chart-box { border: var(--hair); border-radius: var(--radius-md); padding: .8rem; }
.chart-holder { position: relative; height: 180px; margin-top: .5rem; }
.chart-holder canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; }
.plate { border: var(--hair); border-radius: var(--radius-md); padding: .9rem; margin-top: var(--space-4); background: var(--color-surface); }
.plate-value { font-size: 2rem; color: var(--emerald); line-height: 1.1; margin-top: .3rem; }
.plate-formula { font-size: .68rem; color: var(--color-text-faint); margin-top: .3rem; }
.sliders { display: grid; gap: .6rem; margin-top: var(--space-4); }
.slider label { display: flex; justify-content: space-between; font-size: var(--text-xs); color: var(--color-text-muted); }
.slider label b { font-family: var(--font-mono); color: var(--color-text); font-weight: 500; }
.slider input { width: 100%; accent-color: var(--color-primary); margin-top: .25rem; }
.annual { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; margin-top: var(--space-4);
  padding-top: .7rem; border-top: var(--hair); font-size: var(--text-xs); color: var(--color-text-muted); }
.annual strong { font-size: 1.05rem; color: var(--color-text); }
.disclaimer { font-size: .68rem; color: var(--color-text-faint); margin-top: var(--space-3); line-height: 1.5; }

/* scenes */
.scene-bedroom { background: linear-gradient(160deg, oklch(35% .04 280 / .35), transparent 70%); }
.scene-giftbox { background: linear-gradient(160deg, oklch(60% .09 350 / .3), transparent 70%); }
.scene-stocking { background: linear-gradient(160deg, oklch(50% .12 20 / .3), transparent 70%); }
.scene-morning { background: linear-gradient(160deg, oklch(75% .09 80 / .25), transparent 70%); }
.scene-studio { background: linear-gradient(160deg, oklch(60% .1 200 / .28), transparent 70%); }
.scene-card { background: linear-gradient(160deg, oklch(70% .08 350 / .3), transparent 70%); }

/* ---------- founder ---------- */
.founder-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: var(--space-8); align-items: start; }
.founder-fig img { border-radius: var(--radius-lg); border: var(--hair); }
.founder-fig figcaption { margin-top: .6rem; font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }
.founder-fig strong { display: block; color: var(--color-text); font-size: var(--text-sm); }
.founder-facts { display: grid; gap: .6rem; }
.founder-facts li { list-style: none; border-left: 2px solid var(--color-divider); padding-left: .8rem;
  font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; max-width: 68ch; }
.founder-facts li:first-child { border-left-color: var(--color-primary); }
.about-photo { margin-top: var(--space-6); }
.about-photo img { border-radius: 50%; max-width: 260px; }
.about-photo figcaption { margin-top: .5rem; font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- faq ---------- */
.faq-cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: start; }
.acc { margin-top: .6rem; border-top: var(--hair); }
.acc-item { border-bottom: var(--hair); }
.acc-btn { width: 100%; text-align: left; padding: .8rem .2rem; display: grid; gap: .2rem; }
.acc-eyebrow { font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-faint); }
.acc-q { font-size: var(--text-sm); font-weight: 550; display: flex; justify-content: space-between; gap: .75rem; align-items: baseline; }
.acc-q .caret { color: var(--color-text-faint); transition: transform .2s var(--ease-out); flex: none; }
.acc-btn[aria-expanded="true"] .caret { transform: rotate(45deg); }
.acc-p { padding: 0 .2rem .9rem; font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }
.acc-p .artifact-link { margin-top: .6rem; display: inline-flex; gap: .4rem; align-items: center; font-size: var(--text-xs);
  color: var(--color-primary); border: 1px solid color-mix(in oklab, var(--color-primary) 35%, transparent);
  border-radius: var(--radius-full); padding: .25rem .65rem; text-decoration: none; }
.acc-p .artifact-link:hover { background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.acc-p[hidden] { display: none; }

/* ---------- cta + footer ---------- */
.cta { max-width: 1400px; margin: 0 auto; padding: var(--space-20) clamp(1rem, 3vw, 2rem); border-top: var(--hair); text-align: center; }
.cta h2 { font-size: var(--text-xl); }
.cta p { margin: .75rem auto 0; color: var(--color-text-muted); font-size: var(--text-sm); }
.cta p a { color: var(--color-primary); }
.cta-row { display: flex; gap: var(--space-3); justify-content: center; margin-top: var(--space-6); flex-wrap: wrap; }
.foot { border-top: var(--hair); background: var(--color-surface); }
.foot-in { max-width: 1400px; margin: 0 auto; padding: var(--space-8) clamp(1rem, 3vw, 2rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); }
.foot-brand { display: flex; align-items: center; gap: .6rem; color: var(--color-text); }
.foot-mark { height: 22px; width: auto; color: var(--color-text); }
.foot-pplx { height: 18px; width: auto; }
.foot-dot, .foot-backed { color: var(--color-text-faint); font-size: var(--text-xs); }
.foot-in > a { font-size: var(--text-sm); color: var(--color-primary); }
.foot-source { flex: 1 1 320px; font-size: .68rem; color: var(--color-text-faint); line-height: 1.5; max-width: none; }

/* presenter bar */
.presenter-bar { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); z-index: 50;
  display: flex; align-items: center; gap: .7rem; background: var(--color-surface-2); border: var(--hair);
  border-radius: var(--radius-full); padding: .4rem .5rem .4rem .9rem; box-shadow: var(--shadow-lg); font-size: var(--text-xs); }
.presenter-bar[hidden] { display: none; }
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: var(--emerald); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.pbar { width: 70px; height: 3px; border-radius: 2px; background: var(--color-border); overflow: hidden; }
.pbar-fill { display: block; height: 100%; width: 0; background: var(--color-primary); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .stage { grid-template-columns: 1fr; }
  .col-body { min-height: 0; max-height: none; }
  .season-grid { grid-template-columns: 1fr 1fr; }
  .wheel-col { grid-column: 1 / -1; }
  .wheel { flex-direction: row; flex-wrap: wrap; }
  .spoke { flex: 1 1 150px; }
  .hero { grid-template-columns: 1fr; }
  .hero-art img { width: 170px; }
}
@media (max-width: 900px) {
  .rail { display: none; }
  .founder-grid, .faq-cols { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .season-grid { grid-template-columns: 1fr; }
  .hero-art img { width: 132px; }
  .listing-img img { width: min(100%, 150px); }
  .wheel { display: grid; grid-template-columns: 1fr 1fr; }
  .spoke { flex: none; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .topbar-actions .btn-ghost { display: none; }
  .brand-sub, .brand-sep { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .reveal .split { grid-template-columns: 1fr; }
  .lift-grid { grid-template-columns: 1fr 1fr; }
  .stage-foot { justify-content: space-between; }
  .stage-source { order: 3; flex: 1 1 100%; }
  .presenter-bar { bottom: .5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .fadein, .reveal { animation: none; }
  .dot-live { animation: none; }
}

.acc-btn.acc-with-avatar { display: flex; gap: .9rem; align-items: flex-start; }
.acc-btn.acc-with-avatar > span:last-child { display: grid; gap: .2rem; flex: 1; }