/* NIA Labs shared design system + home page */
:root{
  color-scheme:light;
  --ink:#101218;--ground:#FFFFFF;--paper:#F7F6FD;--line:#E3E1EC;--muted:#4D5060;--body:#2B2E38;
  --navy-text:#D9D6E6;--navy-line:#2E313B;--navy-deep:#0B0C10;
  --l1:#155BED;--l2:#6746F4;--l3:#C170F8;--focus:#155BED;--brand-blue:#0752D9;--brand-slate:#E3E1EC;
  --on-accent:#FFFFFF;--on-l3:#101218;
  --grad:linear-gradient(135deg,#C170F8 0%,#6746F4 46%,#0752D9 100%);--grad-icon:linear-gradient(135deg,#A56CF7 0%,#155BED 100%);
  --header-bg:rgba(255,255,255,.84);--header-solid:rgba(255,255,255,.96);
  --btn-bg:var(--ink);--btn-fg:#FFFFFF;--btn-hover:#6746F4;--btn-hover-fg:#FFFFFF;
  --offer-bg:#FFFFFF;--offer-fg:#101218;--offer-lede:#2B2E38;--offer-meta:#4D5060;--offer-kicker:#6746F4;--offer-glow:.42;
  --band:#101216;--band-fg:#FFFFFF;
  --display:'Familjen Grotesk',system-ui,sans-serif;--sans:'Instrument Sans',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.75,.2,1);--r:6px;--hard:12px
}
/* Explicit choice (data-theme) wins. With no choice, follow the system. */
html[data-theme="dark"]{
  color-scheme:dark;
  --ink:#FFFFFF;--ground:#101216;--paper:#1A1C23;--line:#2E313B;--muted:#C9C6D6;--body:#E9E8F0;
  --navy-text:#D9D6E6;--navy-line:#2E313B;--navy-deep:#0B0C10;
  --focus:#C170F8;--band:#0B0C10;
  --header-bg:rgba(16,18,22,.86);--header-solid:rgba(16,18,22,.96);
  --btn-bg:#FFFFFF;--btn-fg:#101216;--btn-hover:#C170F8;--btn-hover-fg:#101216;
  --offer-bg:#101216;--offer-fg:#fff;--offer-lede:rgba(255,255,255,.9);--offer-meta:rgba(255,255,255,.78);--offer-kicker:#C170F8;--offer-glow:.5;
}
@media (prefers-color-scheme:dark){
  html:not([data-theme="light"]){
    color-scheme:dark;
    --ink:#FFFFFF;--ground:#101216;--paper:#1A1C23;--line:#2E313B;--muted:#C9C6D6;--body:#E9E8F0;
    --navy-text:#D9D6E6;--navy-line:#2E313B;--navy-deep:#0B0C10;
    --focus:#C170F8;--band:#0B0C10;
    --header-bg:rgba(16,18,22,.86);--header-solid:rgba(16,18,22,.96);
    --btn-bg:#FFFFFF;--btn-fg:#101216;--btn-hover:#C170F8;--btn-hover-fg:#101216;
    --offer-bg:#101216;--offer-fg:#fff;--offer-lede:rgba(255,255,255,.9);--offer-meta:rgba(255,255,255,.78);--offer-kicker:#C170F8;--offer-glow:.5;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;overflow-x:clip}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%;display:block}
a{color:var(--ink)}
a:hover{color:var(--focus)}
h1,h2,h3,h4{font-family:var(--display);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.dark :focus-visible{outline-color:var(--l3)}
.wrap{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}
.skip{position:absolute;left:8px;top:8px;transform:translateY(-150%);background:#101216;color:#fff;padding:12px 16px;z-index:100}
.skip:focus{transform:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-bottom-color:var(--line);background:var(--header-solid)}
.bar{display:flex;align-items:center;justify-content:flex-start;gap:12px;min-height:76px}
.brand{margin-right:auto}
.theme-toggle{appearance:none;display:inline-grid;place-items:center;width:44px;height:44px;padding:0;border:1.5px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer;flex:none;transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease)}
.theme-toggle:hover{border-color:var(--ink);background:var(--paper);transform:translateY(-1px)}
.theme-toggle svg{grid-area:1/1;width:20px;height:20px;pointer-events:none;transition:opacity .3s var(--ease),transform .45s var(--ease)}
.theme-toggle .icon-sun,.theme-toggle[data-theme-state="dark"] .icon-moon{opacity:0;transform:rotate(-90deg) scale(.5)}
.theme-toggle .icon-moon,.theme-toggle[data-theme-state="dark"] .icon-sun{opacity:1;transform:none}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:25px;letter-spacing:-.02em}
.brand img{width:34px;height:34px}
.brand img.brand-lockup{width:168px;height:auto}
.brand span{font-weight:500}
.nav{display:flex;align-items:center;gap:6px 20px;font-size:15.5px}
.nav a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center;position:relative}
.nav a:not(.btn)::after{content:'';position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:not(.btn):hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.menu-btn{display:none;min-height:44px;min-width:44px;border:2px solid var(--ink);background:transparent;border-radius:4px;cursor:pointer;color:var(--ink);font:600 16px var(--sans);padding:0 14px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:4px;font-weight:600;font-size:17px;text-decoration:none;border:2px solid var(--btn-bg);background:var(--btn-bg);color:var(--btn-fg);cursor:pointer;font-family:var(--sans);transition:transform .25s var(--ease),background .25s,color .25s,box-shadow .25s}
.btn:hover{color:var(--btn-hover-fg);background:var(--btn-hover);border-color:var(--btn-hover);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.btn.gold{background:var(--l2);border-color:var(--l2);color:var(--on-accent)}
.btn.gold:hover{background:#0752D9;border-color:#0752D9;color:var(--on-accent)}
.btn.offer-cta{background:#6746F4;border-color:#6746F4;color:#fff}
.btn.offer-cta:hover{background:#0752D9;border-color:#0752D9;color:#fff}
.btn.lg{min-height:58px;padding:0 32px;font-size:18px}
.btn .arr{display:inline-block;transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
.dark .btn.ghost{color:var(--band-fg);border-color:var(--band-fg)}
.dark .btn.ghost:hover{background:var(--band-fg);color:var(--band);border-color:var(--band-fg)}

/* ---------- motion primitives ---------- */
.js [data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js [data-reveal].is-in{opacity:1;transform:none}
.js [data-reveal="left"]{transform:translateX(-36px)}
.js [data-reveal="right"]{transform:translateX(36px)}
.js [data-reveal="scale"]{transform:scale(.94)}
.js .wipe{clip-path:inset(0 0 100% 0);transition:clip-path 1.2s var(--ease);transition-delay:var(--d,0s)}
.js .wipe.is-in{clip-path:inset(0 0 0 0)}
.js .wipe img{transform:scale(1.16);transition:transform 1.8s var(--ease);transition-delay:var(--d,0s)}
.js .wipe.is-in img{transform:scale(1)}
.hl{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.js .hl>span{display:block;transform:translateY(112%);animation:rise 1s var(--ease) forwards;animation-delay:calc(.2s + var(--n,0)*.13s)}
@keyframes rise{to{transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.js .intro{opacity:0;animation:fadeUp .9s var(--ease) forwards;animation-delay:var(--d,.6s)}

/* ---------- photo frame with hard colour block ---------- */
.photo{position:relative;margin:0;isolation:isolate}
.photo .clip{overflow:hidden;border-radius:var(--r);background:var(--brand-slate);aspect-ratio:var(--ar,4/3)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo::before{content:'';position:absolute;inset:0;transform:translate(var(--hard),var(--hard));background:var(--c,var(--l1));border-radius:var(--r);z-index:-1;transition:transform .6s var(--ease)}
.photo:hover::before{transform:translate(calc(var(--hard) + 6px),calc(var(--hard) + 6px))}

/* ---------- offer hero ---------- */
.offer{position:relative;background:var(--offer-bg);color:var(--offer-fg);overflow:hidden}
.offer-glow{position:absolute;width:min(780px,90vw);height:min(780px,90vw);right:-12%;top:-38%;background:linear-gradient(135deg,#C170F8 0%,#6746F4 46%,#0752D9 100%);filter:blur(72px);opacity:var(--offer-glow);pointer-events:none;animation:offerDrift 16s ease-in-out infinite alternate}
@keyframes offerDrift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-36px,28px,0) scale(1.06)}}
.offer-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.78fr);gap:64px;align-items:center;padding-top:64px;padding-bottom:88px}
.offer-lockup{width:min(340px,78vw);height:auto}
/* Light-canvas lockup is horizontal-light.svg (dark wordmark). Dark-canvas lockup is horizontal-dark.svg (white wordmark). */
img.logo-for-dark{display:none}
html[data-theme="dark"] img.logo-for-light{display:none}
html[data-theme="dark"] img.logo-for-dark{display:block}
@media (prefers-color-scheme:dark){
  html:not([data-theme="light"]) img.logo-for-light{display:none}
  html:not([data-theme="light"]) img.logo-for-dark{display:block}
}
.offer-kicker{margin:28px 0 0;font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:13px;color:var(--offer-kicker)}
.offer h1{margin-top:16px;font-weight:700;font-size:clamp(46px,5.4vw,80px);line-height:.96;letter-spacing:-.045em;max-width:11em}
.offer .lede{margin-top:24px;font-size:20px;line-height:1.5;max-width:28em;color:var(--offer-lede)}
.offer .cta{margin-top:32px}
.offer .meta{margin-top:18px;font-size:16px;color:var(--offer-meta)}
.offer-card{background:#fff;color:#101218;border:1px solid #E3E1EC;border-radius:22px;padding:28px 28px 12px;box-shadow:0 28px 70px rgba(16,18,22,.12)}
html[data-theme="dark"] .offer-card{box-shadow:0 28px 70px rgba(0,0,0,.35)}
@media (prefers-color-scheme:dark){html:not([data-theme="light"]) .offer-card{box-shadow:0 28px 70px rgba(0,0,0,.35)}}
.offer-card img{width:88px;height:88px;display:block;border-radius:22px}
.offer-card h2{margin-top:20px;font-size:30px;letter-spacing:-.03em;line-height:1.1}
.offer-card ul{list-style:none;margin:18px 0 0;padding:0}
.offer-card li{padding:14px 0;border-top:1px solid #E3E1EC}
.offer-card b{display:block;font-family:var(--display);font-size:18px;letter-spacing:-.02em}
.offer-card span{display:block;margin-top:4px;font-size:15px;line-height:1.4;color:#3D4050}
#book{scroll-margin-top:96px}

/* ---------- marquee ---------- */
.strip{background:#101216;color:#FFFFFF;overflow:hidden;padding:22px 0}
.strip-track{display:flex;width:max-content;animation:slide 38s linear infinite}
.strip:hover .strip-track,.rail:hover .strip-track{animation-play-state:paused}
.strip ul{display:flex;align-items:center;gap:44px;padding-right:44px;font-family:var(--display);font-weight:600;font-size:30px;letter-spacing:-.02em;white-space:nowrap}
.strip li{display:flex;align-items:center;gap:44px}
.strip li::after{content:'';width:14px;height:14px;background:var(--l2);flex:none}
.strip li:nth-child(4n+1)::after{background:var(--l1)}
.strip li:nth-child(4n+2)::after{background:var(--l3)}
.strip li:nth-child(4n+3)::after{background:var(--brand-slate)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- generic section ---------- */
.sec{padding-top:112px;padding-bottom:112px}
.band{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dark{background:var(--band);color:var(--band-fg)}
.dark .lead{color:var(--navy-text)}
.h-xl{font-weight:700;font-size:clamp(40px,5.4vw,76px);line-height:.98;letter-spacing:-.045em}
.h-lg{font-weight:700;font-size:clamp(36px,4.4vw,60px);line-height:1;letter-spacing:-.04em}
.h-md{font-weight:700;font-size:clamp(32px,3.6vw,48px);line-height:1.04;letter-spacing:-.03em}
.h-sm{font-weight:700;font-size:clamp(26px,2.6vw,34px);letter-spacing:-.025em}
.lead{margin-top:24px;font-size:20px;line-height:1.6;max-width:33em;color:var(--body)}

/* ---------- why a lab ---------- */
.why{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:80px;align-items:center}
.why .photo{--ar:4/3;--c:var(--l2)}
.stats{margin-top:44px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.stat{border-top:2px solid var(--ink);padding-top:14px}
.stat b{display:block;font-family:var(--display);font-weight:700;font-size:clamp(48px,5.4vw,76px);line-height:.95;letter-spacing:-.05em}
.stat span{display:block;margin-top:8px;font-size:16px;line-height:1.35;color:var(--muted)}
.facts{margin-top:40px}
.facts>div{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px}
.facts h3{font-weight:600;font-size:22px}
.facts p{font-size:17px;line-height:1.5;color:var(--body)}

/* ---------- levels (sticky stack) ---------- */
.levels-head{display:flex;flex-wrap:wrap;gap:24px 64px;align-items:flex-end;justify-content:space-between;margin-bottom:56px}
.stack{display:flex;flex-direction:column;gap:32px;padding-bottom:40px}
.stack-card{--ink:var(--sc-ink);--ground:var(--bg);--paper:#fff;--body:var(--sc-ink);--muted:var(--sc-ink);--btn-bg:var(--sc-ink);--btn-fg:var(--bg);--btn-hover:var(--sc-ink);--btn-hover-fg:var(--bg);position:sticky;top:calc(96px + var(--i)*22px);border-radius:10px;padding:clamp(28px,4vw,56px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(28px,5vw,72px);align-items:center;color:var(--sc-ink);min-height:540px;transform-origin:50% 0;will-change:transform;border:2px solid #101218;background:var(--bg);box-shadow:0 -1px 0 rgba(16,18,22,.05)}
.stack-card.one{--bg:#155BED;--sc-ink:#FFFFFF}.stack-card.two{--bg:#6746F4;--sc-ink:#FFFFFF}.stack-card.three{--bg:#C170F8;--sc-ink:#101218}
.stack-card .course-link{--ink:#101218;--body:#2B2E38;background:#fff;color:#101218}
.stack-card .n{font-size:17px;font-weight:600}
.stack-card h3{margin-top:8px;font-weight:700;font-size:clamp(40px,5vw,72px);line-height:.95;letter-spacing:-.045em}
.stack-card .d{margin-top:22px;font-size:20px;line-height:1.55;max-width:26em}
.stack-card .t{margin-top:20px;font-weight:600;font-size:17px}
.stack-card .row{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.stack-card .pill{font-size:15px;font-weight:600;border:2px solid var(--ink);border-radius:999px;padding:7px 16px}
.stack-card .btn{background:var(--ink);color:var(--ground)}
.stack-card .photo{--ar:4/3;--c:var(--ink);--hard:10px}
.stack-card .photo::before{opacity:.18}

/* ---------- session timeline ---------- */
.session{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:80px;align-items:start}
.session .left{position:sticky;top:112px}
.session .photo{--ar:3/4;--c:var(--l3);max-width:420px;margin-top:40px}
.timeline{position:relative;padding-left:64px}
.timeline::before{content:'';position:absolute;left:21px;top:8px;bottom:8px;width:3px;background:var(--line)}
.timeline .progress{position:absolute;left:21px;top:8px;width:3px;height:0;background:var(--ink);transition:height .2s linear}
.step{position:relative;padding:0 0 56px;opacity:.38;transition:opacity .5s var(--ease)}
.step:last-child{padding-bottom:0}
.step.on{opacity:1}
.step .num{position:absolute;left:-64px;top:0;width:46px;height:46px;border-radius:50%;background:var(--paper);border:3px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:20px;transition:background-color .4s,transform .4s var(--ease)}
.step.on .num{background:var(--l2);color:var(--on-accent);transform:scale(1.1)}
.step h3{font-weight:600;font-size:30px;letter-spacing:-.02em;padding-top:5px}
.step p{margin-top:10px;font-size:19px;line-height:1.55;color:var(--body);max-width:30em}

/* ---------- kellmoor ---------- */
.kell-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:80px;align-items:center}
.cast{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.person{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--navy-line);border-radius:var(--r);transition:transform .35s var(--ease),background-color .35s,border-color .35s}
.person:hover{transform:translateY(-4px);background:rgba(255,255,255,.06);border-color:var(--l2)}
.person .av[style*="--l3"]{color:var(--on-l3)}
.person .av{width:46px;height:46px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:17px;color:var(--on-accent);background:var(--c)}
.person b{display:block;font-family:var(--display);font-weight:600;font-size:19px;line-height:1.15}
.person span{display:block;font-size:15px;color:var(--navy-text)}
.inbox-cta{margin-top:32px}
.games{margin-top:104px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
.game-list{margin-top:28px;display:flex;flex-direction:column;gap:16px}
.game{border:2px solid var(--c);border-radius:var(--r);padding:22px 26px}
.game h4{font-weight:600;font-size:24px}
.game p{margin-top:8px;font-size:17px;line-height:1.55;color:var(--navy-text)}
.board{background:var(--paper);color:var(--ink);border-radius:8px;padding:30px 32px 34px;box-shadow:12px 12px 0 var(--l2)}
.board h4{font-weight:700;font-size:26px;letter-spacing:-.02em}
.board .sub{margin-top:4px;font-size:15px;color:var(--muted)}
.rows{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.rw{display:grid;grid-template-columns:96px minmax(0,1fr) 56px;gap:14px;align-items:center;font-size:17px;font-weight:600}
.rw .tr{height:18px;border-radius:3px;background:var(--ground);overflow:hidden}
.rw .fl{display:block;height:100%;width:0;background:var(--c);transition:width 1.6s var(--ease);transition-delay:var(--d,0s)}
.rw .sc{text-align:right;font-family:var(--display);font-variant-numeric:tabular-nums}
.board.is-in .fl{width:var(--w)}
.rail{margin-top:104px;overflow:hidden}
.rail h3{margin-bottom:28px}
.rail-row{overflow:hidden;margin-top:14px}
.rail .strip-track{animation-duration:46s}
.rail .rev .strip-track{animation-direction:reverse;animation-duration:54s}
.chips{display:flex;gap:14px;padding-right:14px}
.chips li{flex:none;border:1px solid #4D5060;border-radius:999px;padding:12px 22px;font-size:18px;white-space:nowrap;background:rgba(255,255,255,.04)}

/* ---------- finance ---------- */
.fin{position:relative;color:var(--ground);overflow:hidden;background:var(--navy-deep)}
.fin .bg{position:absolute;inset:-12% 0;z-index:0}
.fin .bg img{width:100%;height:100%;object-fit:cover}
.fin::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,18,22,.94) 0%,rgba(16,18,22,.78) 46%,rgba(16,18,22,.35) 100%);z-index:1}
.fin .wrap{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:72px;align-items:center;padding-top:132px;padding-bottom:132px}
.fin .lead{color:var(--navy-text)}
.reg{display:flex;flex-direction:column;gap:18px}
.reg a{display:block;text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s;background:#fff;color:#101218;border-radius:var(--r);padding:24px 28px;border-left:8px solid var(--l2)}
.reg a:hover{transform:translateX(-6px);box-shadow:8px 8px 0 rgba(0,0,0,.25);color:#101218}
.reg a:nth-child(2){border-left-color:var(--l1)}
.reg h3{font-weight:600;font-size:22px;line-height:1.2}
.reg p{margin-top:8px;font-size:17px;color:#2B2E38}
.reg p.us{font-size:16px;color:#101218}
.reg p.us span{display:block;margin-top:8px;font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* ---------- app ---------- */
.app{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:80px;align-items:center}
.phone{width:min(330px,100%);margin:0 auto;background:#101216;border-radius:42px;padding:12px;box-shadow:14px 14px 0 var(--l1)}
.screen{background:var(--ground);border-radius:32px;min-height:520px;display:flex;flex-direction:column;overflow:hidden}
.screen-top{padding:20px 20px 14px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line)}
.screen-top img{width:28px;height:28px}
.screen-top b{font-family:var(--display);font-size:18px}
.screen-top span{margin-left:auto;font-size:13px;color:var(--muted)}
.chat{flex:1;padding:18px 16px;display:flex;flex-direction:column;gap:12px;justify-content:flex-end}
.msg{max-width:86%;padding:12px 15px;border-radius:16px;font-size:15.5px;line-height:1.45;opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.msg.show{opacity:1;transform:none}
.msg.me{align-self:flex-end;background:var(--ink);color:var(--ground);border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:var(--paper);border:1px solid var(--line);border-bottom-left-radius:4px}
.dots{display:inline-flex;gap:4px;align-items:center;height:20px}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:bounce 1s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:none;opacity:.5}30%{transform:translateY(-5px);opacity:1}}
.chips-row{padding:0 16px 18px;display:flex;flex-wrap:wrap;gap:8px}
.chips-row span{font-size:13px;font-weight:600;border:1.5px solid var(--ink);border-radius:999px;padding:6px 12px}
.features{margin-top:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px}
.features li{font-size:18px;font-weight:600;padding-left:34px;position:relative}
.features li::before{content:'';position:absolute;left:0;top:6px;width:18px;height:18px;background:var(--c,var(--l2));border:2px solid var(--ink)}
.features li:nth-child(1){--c:var(--l1)}.features li:nth-child(3){--c:var(--l3)}
.wl-form{margin-top:36px;max-width:480px}
.wl{display:flex;flex-wrap:wrap;gap:12px}
.wl input{flex:1 1 240px;min-width:0}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:80px;align-items:center}
.about .photo{--ar:4/3;--c:var(--l3)}
.counts{margin-top:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}

/* ---------- session builder ---------- */
.builder-sec{position:relative;background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.builder-sec::before{content:'';position:absolute;width:min(680px,88vw);height:min(680px,88vw);left:-14%;bottom:-36%;background:linear-gradient(135deg,#C170F8 0%,#6746F4 46%,#0752D9 100%);filter:blur(80px);opacity:.16;pointer-events:none}
html[data-theme="dark"] .builder-sec::before{opacity:.28}
@media (prefers-color-scheme:dark){html:not([data-theme="light"]) .builder-sec::before{opacity:.28}}
.builder-head{max-width:44em;margin-bottom:48px;position:relative;z-index:1}
.builder-kicker{font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px;color:var(--offer-kicker);margin-bottom:12px}
.builder-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:start}
.builder-controls{display:flex;flex-direction:column;gap:28px}
.builder-group{background:var(--ground);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.bg-label{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.02em;margin-bottom:16px;color:var(--ink)}
.bg-step{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#C170F8 0%,#6746F4 46%,#0752D9 100%);color:#fff;font-size:15px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:none}
.bg-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.bg-choices.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}
.sb-choice{appearance:none;text-align:left;background:var(--paper);color:var(--ink);border:2px solid var(--line);border-radius:10px;padding:14px 16px;min-height:64px;cursor:pointer;font-family:var(--sans);display:flex;flex-direction:column;justify-content: space-between;gap:6px;transition:border-color .2s var(--ease),background-color .2s,transform .2s var(--ease),box-shadow .2s}
.sb-choice:hover{border-color:#6746F4;transform:translateY(-2px)}
.sb-choice b{display:block;font-family:var(--display);font-weight:700;font-size:17px;line-height:1.2;letter-spacing:-.015em;color:var(--ink)}
.sb-choice span{display:block;font-size:14px;line-height:1.35;color:var(--muted)}
.sb-choice[aria-pressed="true"]{border-color:#6746F4;background:rgba(103,70,244,.08);box-shadow:0 8px 24px rgba(103,70,244,.16)}
html[data-theme="dark"] .sb-choice[aria-pressed="true"]{border-color:#C170F8;background:rgba(193,112,248,.14);box-shadow:0 8px 24px rgba(0,0,0,.35)}
@media (prefers-color-scheme:dark){
  html:not([data-theme="light"]) .sb-choice[aria-pressed="true"]{border-color:#C170F8;background:rgba(193,112,248,.14);box-shadow:0 8px 24px rgba(0,0,0,.35)}
}
.builder-card{position:sticky;top:100px;background:var(--ground);color:var(--ink);border:2px solid #6746F4;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(16,18,22,.14)}
html[data-theme="dark"] .builder-card{background:#101216;border-color:#C170F8;box-shadow:0 28px 68px rgba(0,0,0,.5)}
@media (prefers-color-scheme:dark){
  html:not([data-theme="light"]) .builder-card{background:#101216;border-color:#C170F8;box-shadow:0 28px 68px rgba(0,0,0,.5)}
}
.bc-bar{height:8px;background:linear-gradient(135deg,#C170F8 0%,#6746F4 46%,#0752D9 100%)}
.bc-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:22px 26px 18px;border-bottom:1px solid var(--line)}
.bc-lockup{height:30px;width:auto}
.bc-stamp{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:6px 12px 6px 8px;border-radius:999px;background:rgba(103,70,244,.1);color:var(--offer-kicker);border:1px solid rgba(103,70,244,.3)}
html[data-theme="dark"] .bc-stamp{background:rgba(193,112,248,.14);border-color:rgba(193,112,248,.35)}
@media (prefers-color-scheme:dark){
  html:not([data-theme="light"]) .bc-stamp{background:rgba(193,112,248,.14);border-color:rgba(193,112,248,.35)}
}
.bc-icon{width:24px;height:24px;border-radius:6px;flex:none}
.bc-Rec{padding:22px 26px 18px}
.bc-eyebrow{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--offer-kicker)}
.bc-title{margin-top:6px;font-size:clamp(30px,3.2vw,42px);line-height:1.02;letter-spacing:-.035em}
.bc-sub{margin-top:8px;font-size:16px;font-weight:500;color:var(--body)}
.bc-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:16px 26px;background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bc-k{display:block;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.bc-meta b{display:block;margin-top:4px;font-family:var(--display);font-size:17px;line-height:1.25}
.bc-reg.is-included{color:var(--offer-kicker)}
.bc-ros{padding:20px 26px}
.bc-ros h4{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.bc-ros ol{display:flex;flex-direction:column;gap:12px}
.bc-ros li{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;align-items:baseline;font-size:15px;line-height:1.45}
.bc-ros li span{font-family:var(--display);font-weight:700;font-size:13.5px;color:var(--offer-kicker);white-space:nowrap}
.bc-ros li p{color:var(--body)}
.bc-actions{padding:8px 26px 26px}
.bc-submit{width:100%;background:linear-gradient(135deg,#C170F8 0%,#6746F4 46%,#0752D9 100%);border:0;color:#fff;box-shadow:0 12px 28px rgba(103,70,244,.28)}
.bc-submit:hover{background:linear-gradient(135deg,#A56CF7 0%,#0752D9 100%);color:#fff;transform:translateY(-2px)}
.bc-hint{margin-top:10px;font-size:13.5px;line-height:1.4;color:var(--muted);text-align:center}

/* ---------- book ---------- */
.book{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:80px;align-items:start}
.book .photo{--ar:16/10;--c:var(--l2);margin-top:44px}
label,legend{display:block;font-weight:600;font-size:16px;margin-bottom:8px;padding:0}
input[type=text],input[type=email],textarea{width:100%;font:17px var(--sans);color:var(--ink);background:var(--ground);border:2px solid #6E6B80;border-radius:4px;padding:0 14px;height:54px;transition:border-color .2s,box-shadow .2s}
input[type=text]:focus,input[type=email]:focus,textarea:focus{border-color:var(--l2);box-shadow:0 0 0 3px rgba(103,70,244,.3);outline:none}
textarea{height:auto;padding:12px 14px;resize:vertical}
.light input[type=email]{background:var(--paper);border-color:var(--ink)}
.light input[type=email]:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(21,91,237,.25)}
.row{display:flex;flex-wrap:wrap;gap:20px}
.row>div{flex:1 1 200px;min-width:0}
.form{display:flex;flex-direction:column;gap:20px}
fieldset{border:0;margin:0;padding:0}
.radios{display:flex;flex-wrap:wrap;gap:2px 20px}
.radios label{display:flex;align-items:center;gap:8px;min-height:44px;font-weight:400;font-size:17px;margin:0}
.radios input{width:20px;height:20px;accent-color:var(--l2)}
.hp{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.small{margin-top:12px;font-size:15px;color:var(--muted)}
.form-assure{margin-top:12px;font-size:15px;line-height:1.45;color:var(--navy-text)}

/* ---------- booking concierge ---------- */
.concierge{margin-top:40px;border:1.5px solid transparent;border-radius:16px;background:linear-gradient(var(--band),var(--band)) padding-box,var(--grad) border-box;padding:28px 28px 24px;box-shadow:0 30px 80px -40px rgba(103,70,244,.7)}
.cg-top{display:flex;gap:16px;align-items:center;padding-bottom:22px;border-bottom:1px solid var(--navy-line)}
.cg-top img{flex:none;width:52px;height:52px;border-radius:12px;box-shadow:0 0 0 1px var(--navy-line)}
.cg-top b{display:block;font-family:var(--display);font-size:22px;letter-spacing:-.01em;color:#fff}
.cg-top span{display:block;margin-top:2px;font-size:15px;color:var(--navy-text)}
.cg-steps{list-style:none;margin:0;padding:22px 0 0;display:grid;gap:18px;position:relative}
.cg-steps li{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;align-items:start;position:relative}
.cg-steps li:not(:last-child)::after{content:'';position:absolute;left:17px;top:40px;bottom:-16px;width:2px;background:linear-gradient(#6746F4,rgba(103,70,244,0))}
.cg-n{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--grad-icon);color:#fff;font-weight:700;font-size:16px}
.cg-steps b{display:block;font-size:17px;color:#fff}
.cg-steps p{margin-top:4px;font-size:15.5px;line-height:1.5;color:var(--navy-text)}
.cg-proof{margin-top:24px;padding-top:20px;border-top:1px solid var(--navy-line);display:flex;gap:14px;align-items:center}
.cg-proof b{flex:none;font-family:var(--display);font-size:40px;line-height:1;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:brightness(1.25)}
.cg-proof span{font-size:15.5px;line-height:1.45;color:var(--navy-text)}

/* ---------- booking dock ---------- */
.dock{display:none}
.js .dock{display:flex;position:fixed;z-index:45;left:50%;bottom:max(20px,env(safe-area-inset-bottom));width:min(760px,calc(100% - 32px));align-items:center;gap:14px;padding:10px 10px 10px 12px;border:1.5px solid transparent;border-radius:16px;background:linear-gradient(var(--header-solid),var(--header-solid)) padding-box,var(--grad) border-box;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 24px 60px -18px rgba(16,18,22,.45);overflow:hidden;transform:translate(-50%,calc(100% + 40px));opacity:0;visibility:hidden;transition:transform .5s var(--ease),opacity .35s ease-out,visibility 0s linear .5s}
.js .dock.is-on{transform:translate(-50%,0);opacity:1;visibility:visible;transition:transform .5s var(--ease),opacity .35s ease-out,visibility 0s}
.dock-progress{position:absolute;left:0;right:0;top:0;height:3px;background:rgba(103,70,244,.14)}
.dock-progress i{display:block;height:100%;background:var(--grad);transform:scaleX(0);transform-origin:left}
.dock-icon{flex:none;width:44px;height:44px;border-radius:11px;box-shadow:0 0 0 1px var(--line)}
.dock-copy{flex:1 1 auto;min-width:0}
.dock-copy b{display:block;font-family:var(--display);font-size:17px;line-height:1.25;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dock-copy span{display:block;margin-top:2px;font-size:14px;line-height:1.35;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn.dock-cta{flex:none;min-height:48px;padding:0 20px;font-size:16px;background:#6746F4;border-color:#6746F4;color:#fff;border-radius:10px;white-space:nowrap}
.btn.dock-cta:hover{background:#0752D9;border-color:#0752D9;color:#fff}

/* ---------- footer ---------- */
.site-footer{padding-top:48px;padding-bottom:56px;font-size:15px;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;gap:16px 40px;align-items:center;justify-content:space-between}
.foot img{height:36px}
.credits{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);font-size:14px;line-height:1.7}
.credits a{color:var(--muted)}
.credits a:hover{color:var(--focus)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .offer-grid,.why,.session,.kell-top,.games,.app,.about,.book,.builder-grid{grid-template-columns:minmax(0,1fr);gap:56px}
  .builder-card{position:static}
  .offer-grid{padding-bottom:72px}
  .offer-copy,.offer-card{min-width:0}
  .offer-card{max-width:460px}
  .session .left{position:static}
  .session .photo{max-width:340px}
  .stack-card{grid-template-columns:minmax(0,1fr)}
  .fin::after{background:rgba(16,18,22,.86)}
  .fin .wrap{grid-template-columns:minmax(0,1fr);gap:48px}
}
@media (max-width:1180px){
  .bar{min-width:0;gap:8px}
  .brand{min-width:0;flex:1 1 auto}
  .brand img.brand-lockup{width:auto;max-width:min(168px,100%);height:auto}
  .menu-btn,.theme-toggle{flex:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;order:2}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--ground);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 32px 20px;gap:0;display:none;max-height:calc(100dvh - 76px);overflow-y:auto}
  .nav.open{display:flex}
  .nav a{border-bottom:1px solid var(--line);font-size:19px}
  .nav a::after{display:none}
  .nav .btn{margin-top:16px;width:100%;min-height:48px;justify-content:center;border-bottom:2px solid var(--ink)}
}
@media (max-width:820px){
  .stack-card{position:relative;top:auto;min-height:0}
}
@media (max-width:640px){
  .wrap{padding-left:20px;padding-right:20px}
  .sec{padding-top:72px;padding-bottom:72px}
  .offer-grid{padding-top:28px;padding-bottom:48px;gap:28px}
  .offer-lockup{display:block;width:min(240px,100%);max-width:100%;margin:0}
  .offer-kicker{margin-top:20px}
  .offer h1{font-size:clamp(34px,10.5vw,42px);max-width:none}
  .offer .lede{font-size:18px;max-width:none}
  .offer .cta .btn{width:100%;max-width:100%;min-height:48px;padding:12px 18px;white-space:normal;text-align:center}
  .offer-card{max-width:none;width:100%;padding:22px 18px 8px}
  .menu-btn{padding:0 12px}
  .photo{--hard:8px}
  .stats,.counts{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .stat b{font-size:clamp(32px,10vw,48px)}
  .stat span{font-size:13px}
  .facts>div{grid-template-columns:minmax(0,1fr);gap:6px}
  .stack-card{padding:22px 16px}
  .stack-card h3{font-size:clamp(34px,10vw,48px)}
  .course-link{max-width:none}
  .cast{grid-template-columns:minmax(0,1fr)}
  .games,.kell-top{gap:36px}
  .board{padding:22px 18px;box-shadow:8px 8px 0 var(--l2)}
  .rw{grid-template-columns:72px minmax(0,1fr) 42px;gap:10px;font-size:15px}
  .timeline{padding-left:52px}
  .step .num{left:-52px;width:40px;height:40px;font-size:17px}
  .step h3{font-size:24px}
  .timeline::before,.timeline .progress{left:18px}
  .features{grid-template-columns:minmax(0,1fr)}
  .phone{box-shadow:8px 8px 0 var(--l1)}
  .wl{flex-direction:column}
  .wl .btn,.form .btn.lg,.inbox-cta .btn{width:100%;min-height:48px}
  .foot img{max-width:min(168px,100%);height:auto}
  .strip ul{font-size:22px;gap:28px;padding-right:28px}
  .strip li{gap:28px}
  .nav{padding-left:20px;padding-right:20px}
  .reg a{padding:20px 18px}
  .fin .wrap{padding-top:72px;padding-bottom:72px}
  .builder-head{margin-bottom:32px}
  .builder-grid{gap:32px}
  .builder-group{padding:18px 16px}
  .bg-choices,.bg-choices.two-col{grid-template-columns:minmax(0,1fr)}
  .bc-top,.bc-Rec,.bc-meta,.bc-ros,.bc-actions{padding-left:18px;padding-right:18px}
  .bc-meta{grid-template-columns:minmax(0,1fr);gap:10px}
  .bc-ros li{grid-template-columns:minmax(0,1fr);gap:2px}
  .bc-submit{min-height:52px;padding:12px 18px;font-size:17px;white-space:normal;text-align:center}
  .concierge{padding:22px 18px 20px;margin-top:32px}
  .cg-top b{font-size:20px}
  .cg-proof b{font-size:34px}
  .js .dock{width:calc(100% - 24px);bottom:max(12px,env(safe-area-inset-bottom));gap:10px;padding:8px 8px 8px 10px;border-radius:14px}
  .dock-icon{width:40px;height:40px;border-radius:10px}
  .dock-copy b{font-size:15px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .dock-copy span{display:none}
  .btn.dock-cta{padding:0 14px;font-size:15px}
  .btn.dock-cta .arr{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js [data-reveal],.js .wipe,.js .wipe img,.js .hl>span,.js .intro,.js .sheet{opacity:1!important;transform:none!important;clip-path:none!important;animation:none!important}
  .strip-track{animation:none!important}
  .step{opacity:1}
}

/* course card inside level cards */
.course-link{display:block;margin-top:24px;padding:18px 20px;background:var(--paper);color:var(--ink);border:2px solid var(--ink);border-radius:8px;text-decoration:none;max-width:30em;transition:transform .3s var(--ease),box-shadow .3s}
.course-link:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink);color:var(--ink)}
.course-link .cl-tag{display:inline-block;font-size:13px;font-weight:700;color:#fff;background:var(--l2);border:2px solid var(--ink);border-radius:999px;padding:2px 10px;margin-bottom:8px}
.course-link b{display:block;font-family:var(--display);font-size:24px;letter-spacing:-.02em}
.course-link span:not(.cl-tag){display:block;margin-top:4px;font-size:16px;line-height:1.45;color:var(--body)}
.course-link em{display:block;margin-top:10px;font-style:normal;font-weight:600}
@media (max-width:640px){
  .course-link{max-width:none}
}