/* ULBC AI Accelerate Cohort 2 · workshop page. Brand v2.0 (BRAND-1). */
:root{
  --bg:#F9F4ED; --card:#FFFFFF; --alt:#FBF5EC; --border:#E4D5C4;
  --ink:#2B123E; --ink2:#5A3A70; --body:#2B2B2B; --muted:#6F6275;
  --purple:#6A1B9A; --plum:#3B1360; --fuchsia:#D81B60;
  --gold:#F2C94C; --deepgold:#C89B2E; --green:#1E8E3E;
  --grad:linear-gradient(135deg,#3B1360 0%,#6A1B9A 55%,#D81B60 100%);
  /* Dark surface tokens (presented decks) */
  --d-bg:#0D0A12; --d-alt:#15101E; --d-card:#1C1529; --d-ink:#F6F4F9; --d-ink2:#CFC7E5;
  --d-line:rgba(207,199,229,.16);
  --g-aurora:radial-gradient(120% 120% at 10% 0%,#3B1360 0%,transparent 50%),radial-gradient(100% 100% at 90% 10%,#D81B60 0%,transparent 60%);
  --g-pf:linear-gradient(90deg,#6A1B9A 0%,#D81B60 100%);
  --head:60px; --bar:56px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--d-bg);color:var(--d-ink);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:20;height:var(--head);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:var(--d-bg);border-bottom:1px solid var(--d-line)}
.chip{display:flex;align-items:center;gap:10px;background:#FFFFFF;border-radius:12px;padding:6px 12px;min-width:0}
.chip img{height:22px;width:auto}
.chip .x{color:var(--ink2);font-weight:600;font-size:14px}
.chip .pw{color:var(--muted);font-size:11px;line-height:1.1;white-space:nowrap}
.chip .sep{width:1px;height:22px;background:var(--border)}
.tabs{display:flex;gap:6px}
.tabs a{text-decoration:none;font-weight:600;font-size:14px;padding:8px 12px;border-radius:10px;color:var(--d-ink2);border:1px solid var(--d-line);white-space:nowrap}
.tabs a[aria-current="page"]{background:var(--g-pf);color:var(--d-ink);border-color:transparent}

/* ---------- panels (visible by default; JS shows one) ---------- */
.js .panel{display:none}
.js .panel.active{display:block}

/* ---------- deck ---------- */
.deck{position:relative}
.slide{position:relative;min-height:calc(100vh - var(--head));min-height:calc(100svh - var(--head));padding:clamp(28px,6vw,96px);display:flex;flex-direction:column;justify-content:flex-start;gap:clamp(14px,2vh,26px);background:var(--d-bg);border-bottom:1px solid var(--d-line);overflow:hidden}
/* safe centering: centred when it fits, top-aligned and scrollable when it does not */
.slide>:first-child{margin-top:auto}
.slide>:last-child{margin-bottom:auto}
.slide.dense{padding-top:clamp(20px,3.5vh,48px);padding-bottom:clamp(20px,3.5vh,48px);gap:clamp(10px,1.5vh,18px)}
.slide.dense h2{font-size:clamp(1.8rem,3.6vw,3.4rem)}
.slide.dense .steps li{font-size:clamp(1rem,1.6vw,1.5rem)}
.slide.dense .prompt pre{font-size:clamp(.82rem,1.1vw,1.05rem);line-height:1.45}
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(18px,2.4vw,40px);align-items:start;width:100%;max-width:1500px}
.slide::before{content:"";position:absolute;inset:0;background:var(--g-aurora);opacity:.28;pointer-events:none}
.slide>*{position:relative}
.js .deck{height:calc(100vh - var(--head) - var(--bar));height:calc(100dvh - var(--head) - var(--bar));overflow:hidden}
.js .slide{position:absolute;inset:0;min-height:0;display:none;border:0;overflow-y:auto}
.js .slide.active{display:flex;animation:in .32s cubic-bezier(.16,1,.3,1)}
@keyframes in{from{transform:translateY(10px)}to{transform:none}}

/* slide variants */
.s-hero{background:var(--d-bg)}
.s-hero::before{background:linear-gradient(90deg,rgba(13,10,18,.94) 0%,rgba(13,10,18,.72) 55%,rgba(13,10,18,.35) 100%),url("hero-brain.jpg") right center/cover no-repeat;opacity:1}
.s-div{background:var(--grad)}
.s-div::before{display:none}
.s-gold{background:var(--gold);color:var(--ink);align-items:center;text-align:center}
.s-gold::before{display:none}

/* type */
.kicker{font-size:clamp(.8rem,1.1vw,1rem);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.s-div .kicker{color:var(--d-ink)}
h1,h2{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.05}
h1{font-size:clamp(2.6rem,7.4vw,7rem)}
h2{font-size:clamp(2rem,4.8vw,4.6rem);max-width:22ch}
.lead{font-size:clamp(1.15rem,2.3vw,2.2rem);font-weight:500;color:var(--d-ink2);max-width:34ch;margin:0;line-height:1.3}
.body{font-size:clamp(1.05rem,1.9vw,1.75rem);line-height:1.45;color:var(--d-ink2);max-width:44ch;margin:0}
.note{font-size:clamp(1rem,1.6vw,1.6rem);color:var(--d-ink2);margin:0;max-width:60ch}
.accent{color:var(--gold)}
.note.fx{color:var(--d-ink);border-left:4px solid var(--fuchsia);padding-left:12px}
.fx{color:var(--fuchsia)}
.grad-text{background:var(--g-pf);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.s-gold h1,.s-gold h2,.s-gold .lead{color:var(--ink);max-width:none}

/* lockup on slides */
.lockup{display:inline-flex;align-items:center;gap:14px;background:#FFFFFF;border-radius:16px;padding:12px 18px;flex-wrap:wrap;width:fit-content}
.lockup img{height:clamp(26px,3.4vw,44px);width:auto}
.lockup .x{color:var(--ink2);font-weight:700;font-size:clamp(1rem,1.6vw,1.4rem)}
.lockup .pw{color:var(--muted);font-size:clamp(.75rem,1vw,.95rem)}
.lockup .sep{width:1px;align-self:stretch;background:var(--border)}

/* cards */
.cards{display:grid;gap:clamp(10px,1.4vw,18px);grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));max-width:1400px}
.card{background:var(--d-card);border:1px solid var(--d-line);border-radius:18px;padding:clamp(14px,1.8vw,26px);display:flex;flex-direction:column;gap:8px}
.card h3{margin:0;font-size:clamp(1.1rem,1.8vw,1.7rem);line-height:1.15}
.card p{margin:0;font-size:clamp(1rem,1.6vw,1.5rem);line-height:1.4;color:var(--d-ink2)}
.card .ex{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(.8rem,1.1vw,1rem);color:var(--d-ink2);opacity:.85}
.mini{display:inline-flex;background:#FFFFFF;border-radius:10px;padding:6px 12px;width:fit-content}
.mini img{height:clamp(22px,2.4vw,30px);width:auto}
.card.hl{border-color:var(--fuchsia);box-shadow:0 0 0 1px var(--fuchsia) inset}
.card.t-f{border-top:4px solid var(--fuchsia)} .card.t-g{border-top:4px solid var(--gold)} .card.t-p{border-top:4px solid var(--purple)}
.ico{width:clamp(30px,3vw,44px);height:clamp(30px,3vw,44px);color:var(--gold)}
.ico.f{color:var(--fuchsia)}
.num{display:inline-grid;place-items:center;min-width:1.9em;height:1.9em;border-radius:50%;background:var(--g-pf);color:var(--d-ink);font-weight:700;font-size:clamp(.95rem,1.4vw,1.3rem)}

/* numbered steps */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:clamp(8px,1.3vh,16px);max-width:62ch}
.steps li{display:flex;gap:14px;align-items:flex-start;font-size:clamp(1.05rem,1.85vw,1.7rem);line-height:1.35}
.steps b{color:var(--d-ink)}
.path{font-weight:700;color:var(--gold);white-space:normal}

/* flow (boxes + arrows) */
.flow{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;max-width:1400px}
.flow .box{flex:1 1 160px;background:var(--d-card);border:1px solid var(--d-line);border-radius:16px;padding:clamp(12px,1.6vw,22px);font-size:clamp(1rem,1.6vw,1.5rem);line-height:1.3}
.flow .box small{display:block;color:var(--d-ink2);font-size:.7em;margin-top:6px}
.flow .arr{align-self:center;color:var(--gold);font-size:clamp(1.4rem,2.4vw,2.4rem);font-weight:700}
.flow .box.hl{border-color:var(--gold)}

/* agenda timeline */
.agenda{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:8px;max-width:1500px}
.agenda div{background:var(--d-card);border-left:4px solid var(--purple);border-radius:12px;padding:12px 14px;font-size:clamp(1rem,1.4vw,1.4rem);line-height:1.3}
.agenda b{display:block;color:var(--gold);font-size:1.05em}
.agenda .brk{border-left-color:var(--gold);background:var(--d-alt)}

/* ladder */
.ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;align-items:end;max-width:1400px}
.ladder div{background:var(--d-card);border:1px solid var(--d-line);border-radius:14px;padding:12px;font-size:clamp(1rem,1.3vw,1.3rem);line-height:1.25}
.ladder div:nth-child(1){min-height:90px} .ladder div:nth-child(2){min-height:130px} .ladder div:nth-child(3){min-height:170px} .ladder div:nth-child(4){min-height:210px} .ladder div:nth-child(5){min-height:250px;border-color:var(--fuchsia)}
.ladder b{display:block;color:var(--gold);font-size:.8em;letter-spacing:.08em;text-transform:uppercase}
.ladder strong{display:block;margin:4px 0;font-size:1.05em}
.ladder span{color:var(--d-ink2)}

/* tables */
.tbl{border-collapse:separate;border-spacing:0;width:100%;max-width:1300px;font-size:clamp(.95rem,1.5vw,1.4rem)}
.tbl th,.tbl td{text-align:left;padding:clamp(8px,1.1vw,16px);border-bottom:1px solid var(--d-line);vertical-align:top}
.tbl th{font-size:.8em;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
.tbl td:first-child{color:var(--d-ink2)}
.tbl .blank{height:2.2em}

/* compare panels */
.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px;max-width:1300px}
.compare .old{opacity:.62}
.compare .new{border-color:var(--gold)}

/* equation */
.eq{display:flex;flex-wrap:wrap;align-items:baseline;gap:clamp(8px,1.2vw,18px);font-size:clamp(1.3rem,3vw,3rem);font-weight:700;max-width:1400px}
.eq .op{color:var(--fuchsia)}
.eq .res{color:var(--gold);font-size:1.5em}
.big{font-size:clamp(4.5rem,15vw,12rem);font-weight:800;line-height:.95;letter-spacing:-.04em;color:var(--gold);margin:0}

/* prompt box */
.prompt{position:relative;background:var(--d-alt);border:1px solid var(--d-line);border-radius:16px;max-width:1150px;width:100%}
.prompt pre{margin:0;padding:clamp(14px,1.8vw,24px);padding-right:clamp(14px,1.8vw,24px);white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(.85rem,1.25vw,1.15rem);line-height:1.5;color:var(--d-ink)}
.prompt .bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--d-line);font-size:clamp(.8rem,1vw,.95rem);color:var(--d-ink2)}
.copy{font:inherit;font-weight:700;cursor:pointer;border:0;border-radius:10px;padding:8px 14px;background:var(--g-pf);color:var(--d-ink)}
.copy.done{background:var(--green)}
.badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:999px;background:var(--fuchsia);color:var(--d-ink)}
.badge.g{background:var(--gold);color:var(--ink)}

/* timer */
.timer{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.timer .clock{font-size:clamp(5rem,16vw,13rem);font-weight:800;line-height:.9;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--d-ink)}
.timer.run .clock{color:var(--gold)}
.timer.warn .clock{color:var(--fuchsia)}
.timer .tlabel{font-size:clamp(1.5rem,3vw,2.8rem);font-weight:800;color:var(--fuchsia);min-height:1.2em}
.timer.over .tlabel{animation:pulse 1s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.timer .btns{display:flex;gap:10px;flex-wrap:wrap}
.timer button{font:inherit;font-size:clamp(1rem,1.6vw,1.4rem);font-weight:700;cursor:pointer;border-radius:12px;padding:12px 22px;border:1px solid var(--d-line);background:var(--d-card);color:var(--d-ink)}
.timer button.go{background:var(--g-pf);border-color:transparent}

/* controls bar */
.ctrl{display:none}
.js .ctrl{display:flex;position:fixed;left:0;right:0;bottom:0;height:var(--bar);align-items:center;justify-content:space-between;gap:10px;padding:0 14px;background:var(--d-bg);border-top:1px solid var(--d-line);z-index:20}
.ctrl button,.ctrl summary{font:inherit;font-size:14px;font-weight:600;cursor:pointer;border:1px solid var(--d-line);background:var(--d-card);color:var(--d-ink);border-radius:10px;padding:8px 12px;list-style:none}
.ctrl summary::-webkit-details-marker{display:none}
.ctrl .nav{display:flex;gap:8px;align-items:center}
.ctrl .count{font-variant-numeric:tabular-nums;font-size:14px;color:var(--d-ink2);min-width:64px;text-align:center}
.ctrl .prog{position:absolute;left:0;top:-3px;height:3px;background:var(--g-pf);width:0;transition:width .3s}
.ctrl details{position:relative}
.ctrl .menu{position:absolute;bottom:48px;left:0;width:min(360px,86vw);max-height:62vh;overflow:auto;background:var(--d-alt);border:1px solid var(--d-line);border-radius:14px;padding:6px}
.ctrl .menu button{display:flex;width:100%;text-align:left;gap:8px;align-items:center;border:0;background:transparent;border-radius:8px;padding:8px 10px;font-weight:500}
.ctrl .menu button:hover,.ctrl .menu button[aria-current="true"]{background:var(--d-card)}
.ctrl .menu .n{color:var(--d-ink2);min-width:2ch;font-variant-numeric:tabular-nums}
.js body.setup-on .ctrl{display:none}
.js body.setup-on .top{background:var(--bg);border-bottom-color:var(--border)}
.js body.setup-on .tabs a{color:var(--ink2);border-color:var(--border)}
.js body.setup-on .tabs a[aria-current="page"]{color:#F6F4F9;border-color:transparent}

/* ---------- Setup tab (Bright) ---------- */
.bright{background:var(--bg);color:var(--body)}
.bright .band{background:var(--grad);color:#F6F4F9;padding:clamp(32px,6vw,72px) clamp(16px,6vw,96px)}
.bright .band h1{font-size:clamp(2.2rem,5.5vw,4.5rem)}
.bright .band p{font-size:clamp(1.05rem,1.8vw,1.4rem);color:#F6F4F9;max-width:52ch;line-height:1.45}
.bright .wrap{max-width:1000px;margin:0 auto;padding:clamp(24px,4vw,56px) 16px 96px;display:grid;gap:22px}
.bright h2{font-size:clamp(1.5rem,3vw,2.3rem);color:var(--ink);max-width:none}
.bright h3{margin:0 0 6px;color:var(--ink);font-size:1.25rem}
.bright p,.bright li{font-size:1.06rem;line-height:1.6}
.bright .box{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:clamp(18px,3vw,30px)}
.bright .grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px}
.bright .need{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.bright .need li{display:flex;gap:12px;align-items:flex-start}
.bright .need svg{flex:0 0 26px;height:26px;color:var(--purple)}
.bright ol{padding-left:1.3em;margin:8px 0 0}
.bright .dl{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-weight:700;text-decoration:none;padding:12px 18px;border-radius:12px;background:var(--purple);color:#FFFFFF}
.bright .check{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:8px}
.bright .check li::before{content:"☐ ";color:var(--purple);font-weight:700}
.bright code{background:var(--alt);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:.95em}
.bright .call{border-left:5px solid var(--fuchsia)}
.bright small,.bright .muted{color:var(--muted)}

/* ---------- small screens ---------- */
@media (max-width:1000px){.split{grid-template-columns:1fr}}
@media (min-width:1100px){.cards.five{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media (max-width:760px){
  .top{height:auto;min-height:var(--head);flex-wrap:wrap;padding:8px 12px}
  .chip .pw,.chip .sep,.chip .ulbc{display:none}
  .tabs a{font-size:13px;padding:7px 9px}
  .ladder{grid-template-columns:1fr}
  .ladder div{min-height:0 !important}
  .flow .arr{transform:rotate(90deg);width:100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}
@media print{
  .grad-text{background:none !important;-webkit-background-clip:border-box !important;background-clip:border-box !important;-webkit-text-fill-color:#3B1360 !important;color:#3B1360 !important}
  *{box-shadow:none !important}
  .ctrl,.top{display:none !important}
  .js .panel,.js .slide{display:block !important;position:relative !important}
}