/* TEDxArbanassi Youth — dark stage, neon light streak, TED red. */
@property --r{syntax:'<length>';inherits:false;initial-value:0px}

:root{
  --bg:#0b0a10; --surf:#14111d; --surf2:#1b1727;
  --ink:#f6f4fa; --dim:#a8a3b8; --faint:rgba(255,255,255,.12);
  --red:#eb0028; --vio:#8b45ff; --mag:#ff3fd0; --lilac:#c3a8ff;
  --f:"Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;
  --s:"Instrument Serif",Georgia,serif;
  --m:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --pad:clamp(20px,4vw,64px);
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg);scroll-behavior:smooth;scroll-padding-top:70px;overflow-x:clip;-webkit-text-size-adjust:100%}
body{font-family:var(--f);color:var(--ink);font-size:17px;line-height:1.5;overflow-x:clip;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.lock{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit;background:none;border:0;border-radius:0}
button{cursor:pointer}
em{font-family:var(--s);font-style:italic;font-weight:400;letter-spacing:-.01em}
sup{font-size:.34em;vertical-align:top;position:relative;top:.12em;margin-left:.04em;letter-spacing:0}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid #fff;outline-offset:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:12px;top:-60px;z-index:200;background:var(--red);padding:10px 16px;font-weight:600;transition:top .2s}
.skip:focus{top:12px}

/* ---------- fixed layers ---------- */
#fx{position:fixed;inset:0;width:100%;height:100%;z-index:-2;display:block}
.no-gl body::before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(60% 50% at 80% 20%,rgba(139,69,255,.35),transparent 70%),radial-gradient(50% 40% at 15% 80%,rgba(255,63,208,.25),transparent 70%)}
.grain{position:fixed;inset:-50%;z-index:90;pointer-events:none;opacity:.07;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}
.bar{position:fixed;left:0;top:0;height:3px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:0 50%;z-index:120}

.cur{display:none}
.fine .cur{display:block;position:fixed;left:0;top:0;z-index:150;pointer-events:none}
.cur i,.cur b{position:fixed;left:0;top:0;border-radius:50%;pointer-events:none;opacity:0;transition:opacity .3s}
.cur i{width:8px;height:8px;margin:-4px 0 0 -4px;background:var(--red)}
.cur b{width:38px;height:38px;margin:-19px 0 0 -19px;border:1.5px solid rgba(255,255,255,.55);transition:opacity .3s,width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),background .3s,border-color .3s}
.cur-on .cur i,.cur-on .cur b{opacity:1}
.cur-on .cur b.big{width:78px;height:78px;margin:-39px 0 0 -39px;background:rgba(235,0,40,.2);border-color:var(--red)}
.cur-on,.cur-on a,.cur-on button,.cur-on summary{cursor:none}
.cur-on input{cursor:text}

/* ---------- curtain intro ---------- */
.curtain{display:none}
.js .curtain{display:grid;place-items:center;position:fixed;inset:0;z-index:300;background:var(--bg);pointer-events:none;
  -webkit-mask:radial-gradient(circle at 50% 50%,transparent var(--r),#000 calc(var(--r) + 2px));mask:radial-gradient(circle at 50% 50%,transparent var(--r),#000 calc(var(--r) + 2px))}
.curtain i{position:absolute;width:84px;height:84px;border-radius:50%;background:var(--red);animation:pulse 1.1s var(--ease) infinite alternate}
.curtain span{position:absolute;bottom:12vh;font-weight:800;letter-spacing:-.03em;font-size:15px;color:var(--dim)}
@keyframes pulse{from{transform:scale(.7)}to{transform:scale(1.15)}}
.loaded .curtain{animation:open 1.15s .35s var(--ease) forwards}
.loaded .curtain i{transition:transform .5s var(--ease);transform:scale(.01);animation:none}
@keyframes open{to{--r:150vmax}}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:18px var(--pad);transition:background .4s,backdrop-filter .4s,padding .4s var(--ease)}
.nav.scrolled{background:rgba(11,10,16,.62);-webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4);padding-block:12px;box-shadow:0 1px 0 rgba(255,255,255,.07)}
/* logo = the original wordmark: TED(red) + raised x + Arbanassi (black weight) + Youth (light) */
.logo{display:inline-flex;align-items:baseline;font-size:17px;font-weight:900;letter-spacing:-.025em;justify-self:start;white-space:nowrap}
.logo .t{color:var(--red)}
.logo b{font-weight:900}
.logo .y{font-weight:300;margin-left:.3em}
.logo sup,.curtain sup,.s-logo sup{font-size:.75em;line-height:0;vertical-align:baseline;top:-.5em;margin:0;letter-spacing:inherit}
.links{display:flex;gap:clamp(18px,2.6vw,40px)}
.links a{font:500 11px/1 var(--m);text-transform:uppercase;letter-spacing:.14em;color:var(--dim);padding:8px 0;position:relative;transition:color .3s}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--red);transform:scaleX(0);transform-origin:0 50%;transition:transform .45s var(--ease)}
.links a:hover,.links a.on{color:var(--ink)}
.links a:hover::after,.links a.on::after{transform:scaleX(1)}
.nav .btn{justify-self:end}
.burger{display:none;justify-self:end;width:44px;height:44px;position:relative;z-index:130}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:transform .4s var(--ease),top .4s var(--ease)}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.menu-open .burger span:first-child{top:21px;transform:rotate(45deg)}
.menu-open .burger span:last-child{top:21px;transform:rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:99;background:var(--bg);display:flex;flex-direction:column;justify-content:center;gap:4px;padding:90px var(--pad) 40px;clip-path:circle(0 at calc(100% - 40px) 40px);transition:clip-path .7s var(--ease),visibility 0s .7s;visibility:hidden}
.menu a{font-size:clamp(44px,13vw,84px);font-weight:900;letter-spacing:-.045em;line-height:1.02}
.menu a.red{color:var(--red)}
.menu-open .menu{clip-path:circle(150% at calc(100% - 40px) 40px);visibility:visible;transition:clip-path .7s var(--ease),visibility 0s}

/* ---------- buttons ---------- */
.btn{position:relative;isolation:isolate;display:inline-flex;align-items:center;background:var(--red);color:#fff;font-weight:600;padding:14px 26px;overflow:hidden;transition:color .4s,translate .25s}
.btn-sm{padding:11px 20px;font-size:14px}
.btn::before{content:"";position:absolute;inset:0;background:#fff;transform:translateY(101%);transition:transform .5s var(--ease);z-index:-1}
.btn:hover{color:var(--red)}
.btn:hover::before{transform:none}

/* ---------- shared ---------- */
.wrap{padding-inline:var(--pad);max-width:1760px;margin-inline:auto}
section{position:relative}
.lab{font:500 11px/1 var(--m);text-transform:uppercase;letter-spacing:.16em;color:var(--ink);display:flex;align-items:center;gap:10px}
.lab::before{content:"";width:7px;height:7px;background:var(--red);border-radius:50%}
.lab.dim{color:var(--dim)}.lab.dim::before{display:none}
.sec-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:22px;margin-bottom:clamp(40px,6vw,90px);border-top:1px solid var(--faint)}
.huge{font-size:clamp(54px,12.4vw,230px);font-weight:900;letter-spacing:-.052em;line-height:.88}
.huge em{font-size:1.04em;color:var(--red);letter-spacing:-.025em}
.lead{font-size:clamp(19px,1.9vw,28px);max-width:34em;margin-top:clamp(24px,3vw,44px);color:var(--ink)}
.about,.theme,.count,.speakers,.call,.faq{padding-block:clamp(90px,13vw,220px) 0}

.js .reveal{opacity:0;transform:translateY(34px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity 1s var(--ease) calc(var(--rd,0)*90ms),transform 1.2s var(--ease) calc(var(--rd,0)*90ms)}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:110px var(--pad) 28px;--fs:min(16.2vw,22.5svh)}
.title{font-weight:900;letter-spacing:-.05em;line-height:.84}
.l{display:block;overflow:hidden;padding:.04em .04em .1em 0;margin-bottom:-.06em}
.l1{font-size:var(--fs);color:var(--red)}
.l2{font-size:var(--fs);font-weight:300;letter-spacing:-.06em}
.l3{font-size:var(--fs)}
.ch{display:inline-block;will-change:transform}
.js .ch{transform:translateY(108%)}
.loaded .ch{transform:none;transition:transform 1.25s var(--ease) calc(var(--i)*55ms + 650ms)}
.l1 sup{display:inline-block;font-size:.45em;line-height:0;vertical-align:baseline;top:-.5em;margin:0;letter-spacing:inherit;transform:translateY(120%)}
.loaded .l1 sup{transform:none;transition:transform 1.25s var(--ease) 1.1s}
.hero-foot{display:grid;grid-template-columns:1.1fr 1.4fr auto;align-items:end;gap:clamp(20px,4vw,64px);margin-top:clamp(28px,4.5vh,56px);padding-top:26px;border-top:1px solid var(--faint)}
.tag{font:italic 400 clamp(26px,2.9vw,46px)/1.02 var(--s);letter-spacing:-.01em}
.meta{display:grid;grid-template-columns:repeat(3,auto);gap:clamp(16px,3vw,48px);justify-content:start}
.meta dt{font:500 10.5px/1 var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:10px}
.meta dd{font-weight:600;font-size:clamp(16px,1.4vw,22px);letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.cta{display:inline-flex;align-items:center;gap:16px;font-weight:700;font-size:clamp(19px,1.7vw,26px);letter-spacing:-.03em;padding:6px 0 12px;border-bottom:3px solid var(--red);transition:gap .4s var(--ease)}
.cta svg{width:26px;height:26px;transition:transform .4s var(--ease)}
.cta:hover svg{transform:translateX(8px)}
.badge{position:absolute;right:var(--pad);top:50%;translate:0 -62%;width:clamp(104px,13vw,210px);aspect-ratio:1;display:grid;place-items:center}
.badge>svg{position:absolute;inset:0;width:100%;height:100%;animation:spin 22s linear infinite}
.badge text{font:600 14.2px var(--m);fill:#fff;letter-spacing:.14em}
.badge .core{width:38%;aspect-ratio:1;border-radius:50%;background:var(--red);display:grid;place-items:center;transition:transform .5s var(--ease),background .3s,color .3s}
.badge .core svg{width:44%}
.badge:hover .core{transform:scale(1.25);background:#fff;color:var(--red)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--faint);background:rgba(255,255,255,.025);padding-block:clamp(14px,2vw,26px)}
.track{display:flex;width:max-content;will-change:transform}
.grp{display:flex;align-items:center;gap:clamp(24px,3.4vw,56px);padding-right:clamp(24px,3.4vw,56px);font-size:clamp(34px,6.2vw,104px);font-weight:900;letter-spacing:-.04em;text-transform:uppercase;line-height:1;white-space:nowrap}
.grp em{text-transform:none;font-weight:400;color:var(--dim);letter-spacing:-.02em}
.grp i{width:.2em;height:.2em;border-radius:50%;background:var(--red);flex:none}

/* ---------- about ---------- */
.statement{font-size:clamp(32px,5.9vw,100px);font-weight:600;letter-spacing:-.04em;line-height:1.02;max-width:17.5em}
.statement em{font-size:1.06em;color:var(--lilac);letter-spacing:-.02em}
.js .statement .w{opacity:.13;transition:opacity .45s}
.js .statement .w.lit{opacity:1}
.facts{margin-top:clamp(70px,10vw,160px);border-bottom:1px solid var(--faint)}
.fact{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:center;gap:var(--pad);padding:clamp(26px,3.4vw,52px) var(--pad);border-top:1px solid var(--faint);overflow:hidden}
.fact::before{content:"";position:absolute;inset:0;background:var(--red);transform:scaleY(0);transform-origin:50% 100%;transition:transform .7s var(--ease);z-index:-1}
.fact:hover::before{transform:scaleY(1)}
.num{font-size:clamp(88px,19vw,330px);font-weight:900;letter-spacing:-.07em;line-height:.8;font-variant-numeric:tabular-nums}
.num sup{font:italic 400 .2em/1 var(--s);top:.12em;letter-spacing:0;margin-left:.08em}
.num .lt{color:var(--red);margin-right:.02em;transition:color .5s}
.fact:hover .lt{color:#fff}
.num.word{font-size:clamp(70px,15vw,260px)}
.fact-t{font-size:clamp(22px,2.5vw,40px);font-weight:500;letter-spacing:-.03em;line-height:1.12;max-width:16em}
.fact-t a{border-bottom:2px solid currentColor}

/* ---------- theme (pinned) ---------- */
.theme{height:420vh;padding-top:0}
.pin{position:sticky;top:0;height:100svh;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:var(--pad);padding:70px var(--pad) 24px}
.theme-txt{position:relative;height:min(66svh,620px)}
.theme-txt .lab{position:absolute;left:0;top:0}
.tb{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;will-change:opacity,transform}
.tb h2{font-size:clamp(56px,9.4vw,168px);font-weight:900;letter-spacing:-.05em;line-height:.86}
.tb h2 em{display:block;font-size:.9em;color:var(--red);margin-top:.04em}
.tb-b h2 em{color:var(--lilac)}
.js .tb-b{opacity:0}
.tb p{margin-top:clamp(20px,2.6vw,38px);font-size:clamp(18px,1.55vw,24px);max-width:26em;color:var(--ink)}
.hint{position:absolute;left:0;bottom:0;font:500 10.5px/1 var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
#tree{width:100%;height:calc(100svh - 110px);overflow:visible;filter:drop-shadow(0 0 10px rgba(255,80,200,.28))}
#tree path{fill:none;stroke-linecap:round;vector-effect:none}
#tree .tip{animation:tw 2.6s ease-in-out infinite alternate}
@keyframes tw{from{opacity:.55}to{opacity:1}}

/* ---------- countdown ---------- */
.clock{display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:clamp(8px,2vw,32px)}
.unit>span{display:block;margin-top:clamp(10px,1.4vw,20px);font:500 clamp(10px,.9vw,13px)/1 var(--m);letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.digits{display:flex;font-size:clamp(58px,15.4vw,276px);font-weight:900;letter-spacing:-.06em;line-height:1;font-variant-numeric:tabular-nums}
.sec .digits{color:var(--red)}
.dg{position:relative;display:inline-block;width:.56em;height:1.02em;overflow:hidden}
.v{position:absolute;left:0;right:0;top:0;text-align:center}
.v.in{animation:rollin .8s var(--ease) both}
.v.out{animation:rollout .8s var(--ease) both}
@keyframes rollin{from{transform:translateY(105%)}to{transform:none}}
@keyframes rollout{to{transform:translateY(-105%);opacity:0}}
.count-foot{margin-top:clamp(28px,4vw,56px);display:flex;justify-content:space-between}
.ics{display:inline-flex;align-items:center;gap:12px;font-weight:600;padding:12px 0;border-bottom:2px solid var(--red);transition:gap .4s var(--ease)}
.ics svg{width:20px;height:20px}
.ics:hover{gap:20px}

/* ---------- venue ---------- */
.venue{padding-top:clamp(90px,13vw,220px)}
.scene{position:relative;height:min(100svh,920px);min-height:560px;overflow:hidden;background:#07060c}
#scene-svg{position:absolute;inset:-4% 0;width:100%;height:108%;display:block}
.scene::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,16,.9),transparent 22%,transparent 52%,rgba(7,6,12,.9));pointer-events:none}
.scene-ui{position:absolute;inset:0;z-index:2;padding:26px var(--pad) clamp(24px,3.4vw,48px);display:flex;flex-direction:column;justify-content:space-between}
.scene-bot{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--pad)}
.scene .huge{font-size:clamp(60px,15.4vw,290px);line-height:.8;white-space:nowrap}
.dot{display:inline-block;width:.16em;height:.16em;border-radius:50%;background:var(--red);margin-left:.04em;animation:beat 2.2s ease-in-out infinite}
@keyframes beat{50%{transform:scale(1.5);box-shadow:0 0 40px 8px rgba(235,0,40,.6)}}
.side{max-width:21em;font-size:clamp(16px,1.4vw,21px);padding-bottom:.6em}
.vstrip{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surf)}
.vstrip>div{padding:clamp(24px,3vw,44px) var(--pad);transition:background .4s}
.vstrip>div:hover{background:var(--surf2)}
.vstrip>div+div{border-left:1px solid var(--faint)}
.vstrip span{display:block;font:500 10.5px/1 var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.vstrip b{display:flex;align-items:center;gap:12px;font-size:clamp(20px,2.1vw,32px);font-weight:700;letter-spacing:-.03em;line-height:1.1}
.vstrip a{border-bottom:2px solid var(--red)}
.ping{position:relative;flex:none;width:10px;height:10px;border-radius:50%;background:var(--red)}
.ping::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--red);animation:ripple 1.8s var(--ease) infinite}
@keyframes ripple{from{transform:scale(1);opacity:.8}to{transform:scale(4);opacity:0}}
#scene-svg .st{fill:#fff;animation:tw 3.4s ease-in-out infinite alternate}
#scene-svg .win{animation:flick 5s ease-in-out infinite alternate}
@keyframes flick{0%,100%{opacity:1}45%{opacity:.78}50%{opacity:1}}
#scene-svg .pr{fill:none;stroke:#ff4fc4;stroke-width:3;transform-box:fill-box;transform-origin:center;animation:prr 3s var(--ease) infinite}
@keyframes prr{from{transform:scale(.3);opacity:.9}to{transform:scale(1.5);opacity:0}}

/* ---------- speakers ---------- */
.discs{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2.4vw,40px);margin-top:clamp(50px,7vw,110px)}
.disc{position:relative;aspect-ratio:1;border-radius:50%;background:var(--surf);display:grid;place-content:center;text-align:center;overflow:hidden;isolation:isolate;transition:background .5s,scale .6s var(--ease),color .3s}
.disc::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,70,200,.5),transparent 58%);opacity:0;transition:opacity .4s}
.disc:hover{background:var(--red);scale:1.035}
.disc:hover::before{opacity:.9}
.disc .q,.disc .y{grid-area:1/1;font:italic 400 clamp(90px,15vw,260px)/.9 var(--s);transition:transform .6s var(--ease),opacity .4s}
.disc .y{transform:translateY(60%);opacity:0;font-size:clamp(64px,10.5vw,190px)}
.disc:hover .q{transform:translateY(-60%);opacity:0}
.disc:hover .y{transform:none;opacity:1}
.disc small{position:absolute;left:0;right:0;bottom:15%;font:500 10px/1 var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);transition:color .3s}
.disc:hover small{color:#fff}
.discs .disc:nth-child(3n+2){margin-top:clamp(30px,8vw,140px)}
.discs .disc:nth-child(3n+3){margin-top:clamp(10px,3vw,50px)}

/* ---------- open call ---------- */
.steps{list-style:none;margin-top:clamp(50px,7vw,100px)}
.steps li{display:grid;grid-template-columns:clamp(60px,9vw,150px) 1.2fr 1fr;align-items:center;gap:var(--pad);padding:clamp(22px,2.6vw,38px) 0;border-top:1px solid var(--faint);transition:padding .5s var(--ease),background .4s}
.steps li:last-child{border-bottom:1px solid var(--faint)}
.steps li:hover{padding-inline:clamp(12px,2vw,32px);background:rgba(255,255,255,.04)}
.steps .n{font-weight:800;font-size:clamp(22px,3vw,44px);color:var(--red);letter-spacing:-.03em}
.steps b{font-size:clamp(28px,4.4vw,72px);font-weight:800;letter-spacing:-.05em;line-height:1}
.steps p{color:var(--dim);font-size:clamp(15px,1.3vw,20px)}
.draft{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(30px,5vw,90px);align-items:center;margin-top:clamp(60px,8vw,130px)}
.draft-h{font-size:clamp(28px,3.4vw,54px);font-weight:800;letter-spacing:-.045em;line-height:1;margin-bottom:clamp(20px,3vw,40px)}
.draft label{display:block;font:500 10.5px/1 var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:22px 0 4px}
.draft input{width:100%;font-size:clamp(22px,2.4vw,36px);font-weight:600;letter-spacing:-.03em;padding:10px 0 12px;border-bottom:2px solid var(--faint);transition:border-color .3s}
.draft input::placeholder{color:rgba(255,255,255,.28)}
.draft input:focus{outline:0;border-color:var(--red)}
.draft-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:30px}
.ghost{font-weight:600;padding:12px 22px;border:1.5px solid rgba(255,255,255,.4);transition:background .3s,color .3s,border-color .3s}
.ghost:hover{background:#fff;color:var(--bg);border-color:#fff}
.draft-note{color:var(--dim);font-size:14px}
.slide{container-type:inline-size;aspect-ratio:16/9;background:#050409;position:relative;overflow:hidden;box-shadow:0 40px 120px -30px rgba(255,63,208,.35),0 0 0 1px rgba(255,255,255,.08);transition:scale .6s var(--ease);rotate:-1.4deg}
.slide:hover{scale:1.015}
.slide-in{position:absolute;inset:0;padding:5.2cqw 5.6cqw}
.s-circle{position:absolute;right:-9cqw;top:-14cqw;width:58cqw;transition:transform .8s var(--ease)}
.slide:hover .s-circle{transform:scale(1.08) translate(-1cqw,1cqw)}
.s-logo{position:relative;font-size:3.1cqw;font-weight:300;letter-spacing:-.04em}
.s-logo span{color:var(--red);font-weight:900}
.s-logo b{font-weight:800;margin-left:.2em}
.s-logo sup{font-size:.4em}
.s-idea{position:absolute;left:5.6cqw;right:30cqw;bottom:16cqw;font-size:8.4cqw;font-weight:900;letter-spacing:-.05em;line-height:.94;transition:font-size .25s}
.s-name{position:absolute;left:5.6cqw;bottom:5.2cqw;font:italic 400 4.2cqw/1 var(--s)}
.s-date{position:absolute;right:5.6cqw;bottom:5.2cqw;text-align:right;font:500 1.7cqw/1.5 var(--m);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.bigcta{position:relative;isolation:isolate;overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:clamp(50px,7vw,110px);padding:clamp(28px,4.4vw,76px) clamp(22px,3.4vw,60px);background:var(--red);font-size:clamp(34px,8vw,150px);font-weight:900;letter-spacing:-.055em;line-height:.9;transition:color .5s}
.bigcta::before{content:"";position:absolute;inset:0;background:#fff;transform:translateX(-101%);transition:transform .7s var(--ease);z-index:-1}
.bigcta:hover{color:var(--red)}
.bigcta:hover::before{transform:none}
.bigcta svg{width:.8em;height:.8em;flex:none;transition:transform .6s var(--ease)}
.bigcta:hover svg{transform:translateX(.18em) rotate(-45deg)}

/* ---------- faq ---------- */
.qa{margin-top:clamp(44px,6vw,90px);border-bottom:1px solid var(--faint)}
.item{border-top:1px solid var(--faint)}
.q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;text-align:left;padding:clamp(20px,2.6vw,36px) 0;font-size:clamp(24px,3.6vw,58px);font-weight:700;letter-spacing:-.045em;line-height:1.02;transition:padding .5s var(--ease),color .3s}
.q:hover{padding-left:clamp(10px,1.6vw,26px);color:#fff}
.q i{position:relative;flex:none;width:clamp(34px,3.4vw,52px);aspect-ratio:1;border-radius:50%;border:1.5px solid rgba(255,255,255,.35);transition:background .4s,border-color .4s,transform .6s var(--ease)}
.q i::before,.q i::after{content:"";position:absolute;left:50%;top:50%;width:42%;height:2px;background:#fff;translate:-50% -50%;transition:transform .5s var(--ease)}
.q i::after{transform:rotate(90deg)}
.open .q i{background:var(--red);border-color:var(--red);transform:rotate(180deg)}
.open .q i::after{transform:none}
.a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .6s var(--ease)}
.open .a{grid-template-rows:1fr}
.a>div{overflow:hidden}
.a p{padding:0 0 clamp(24px,3vw,40px);font-size:clamp(18px,1.7vw,26px);max-width:34em;color:#d9d5e4}
.a a{border-bottom:2px solid var(--red)}

/* ---------- footer ---------- */
.foot{padding-top:clamp(110px,15vw,240px);overflow:hidden}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.foot-top nav{display:flex;gap:clamp(18px,3vw,48px);flex-wrap:wrap}
.foot-top a{font-weight:600;font-size:clamp(18px,1.8vw,28px);letter-spacing:-.03em;border-bottom:2px solid transparent;transition:border-color .3s}
.foot-top a:hover{border-color:var(--red)}
.foot-top a span{color:var(--red)}
.mega{margin-top:clamp(40px,6vw,100px);padding-inline:var(--pad);font-weight:900;letter-spacing:-.065em;line-height:.8;white-space:nowrap;font-size:13vw;user-select:none;overflow:hidden;line-height:.9}
.mega .m{display:inline-block}
.mega .a{color:var(--red)}
.mega .ch{transition:color .25s,transform 1.25s var(--ease) calc(var(--i)*40ms)}
.mega .ch:hover{color:#fff}
.mega .a .ch:hover{color:#fff}
.legal{padding:clamp(24px,3vw,40px) var(--pad) calc(30px + env(safe-area-inset-bottom));font:500 10.5px/1.6 var(--m);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav{grid-template-columns:1fr auto}
  .links,.nav .btn{display:none}
  .burger{display:block}
  .hero-foot{grid-template-columns:1fr 1fr}
  .tag{grid-column:1/-1}
  .badge{top:20%;translate:0 0}
  .pin{grid-template-columns:1fr;grid-template-rows:42svh 1fr;gap:0;padding-top:64px}
  .pin #tree{grid-row:1;height:42svh}
  .theme-txt{grid-row:2;height:auto;min-height:0;align-self:stretch}
  .theme-txt .lab{display:none}
  .tb{justify-content:flex-start;padding-top:10px}
  .tb h2{font-size:clamp(52px,20vw,110px)}
  .hint{display:none}
  .fact{grid-template-columns:1fr;gap:18px}
  .draft{grid-template-columns:1fr}
  .steps li{grid-template-columns:56px 1fr}
  .steps p{grid-column:2}
  .scene-bot{flex-direction:column;align-items:flex-start;gap:14px}
  .vstrip{grid-template-columns:1fr}
  .vstrip>div+div{border-left:0;border-top:1px solid var(--faint)}
}
@media (max-width:640px){
  body{font-size:16px}
  .hero{padding-top:96px;--fs:min(18.4vw,20svh)}
  .meta{grid-template-columns:1fr 1fr}
  .meta div:last-child{grid-column:1/-1}
  .hero-foot{grid-template-columns:1fr}
  .badge{top:17%;width:96px}
  .discs{grid-template-columns:repeat(2,1fr)}
  .discs .disc:nth-child(3n+2),.discs .disc:nth-child(3n+3){margin-top:0}
  .discs .disc:nth-child(even){margin-top:clamp(24px,10vw,60px)}
  .clock{grid-template-columns:repeat(2,auto);row-gap:28px}
  .digits{font-size:clamp(70px,27vw,160px)}
  .sec-head .dim{display:none}
  .slide{rotate:0deg}
  .scene{min-height:520px}
}
/* ---------- phones & touch ---------- */
html{-webkit-tap-highlight-color:transparent}
.nav{padding-top:max(18px,env(safe-area-inset-top))}
.nav.scrolled{padding-top:max(12px,env(safe-area-inset-top))}
.curtain small{font-weight:300}
@media (hover:none){
  .fact:hover::before{transform:scaleY(0)}
  .fact.active::before{transform:scaleY(1)}
  .fact.active .lt{color:#fff}
  .steps li:hover{padding-inline:0;background:none}
  .q:hover{padding-left:0;color:inherit}
  .vstrip>div:hover{background:none}
  .disc:hover{background:var(--surf);scale:1}
  .disc:hover::before{opacity:0}
  .disc:hover .q{transform:none;opacity:1}
  .disc:hover .y{transform:translateY(60%);opacity:0}
  .disc:hover small{color:var(--dim)}
  .disc.active{background:var(--red);scale:1.03}
  .disc.active .q{transform:translateY(-60%);opacity:0}
  .disc.active .y{transform:none;opacity:1}
  .disc.active small{color:#fff}
  .btn:hover,.bigcta:hover{color:#fff}
  .btn:hover::before,.bigcta:hover::before{transform:translateY(101%)}
  .bigcta:hover::before{transform:translateX(-101%)}
  .bigcta:active{background:#fff;color:var(--red)}
  .links a:hover::after{transform:scaleX(0)}
}
@media (max-width:760px){
  .grain{inset:0;animation:none;opacity:.05}
  .logo{font-size:16px}
  .nav{padding-block:14px}
  .lab{font-size:12px}
  .meta dt,.vstrip span,.unit>span,.draft label,.hint,.legal{font-size:11px}
  .scene::after{background:linear-gradient(180deg,rgba(11,10,16,.9),transparent 20%,transparent 40%,rgba(7,6,12,.92))}
  .sec-head{margin-bottom:34px}
  .statement{font-size:clamp(30px,8.6vw,48px)}
  .fact{padding-block:30px}
  .num{font-size:clamp(96px,31vw,150px)}
  .num.word{font-size:clamp(84px,27vw,130px)}
  .fact-t{font-size:22px}
  .lead{font-size:18px}
  .huge{font-size:clamp(52px,16.5vw,100px)}
  .steps b{font-size:clamp(30px,9.4vw,46px)}
  .steps li{padding-block:20px}
  .draft input{font-size:20px}
  .draft-h{font-size:30px}
  .ghost,.ics{min-height:48px}
  .bigcta{font-size:clamp(34px,10.4vw,64px);padding:30px 22px}
  .q{font-size:clamp(22px,6.4vw,34px);min-height:64px}
  .a p{font-size:18px}
  .foot-top a{display:inline-block;padding:10px 0}
  .foot-top nav{gap:6px 26px}
  .legal{padding-top:22px}
  .mega{margin-top:46px}
}
@media (max-width:640px){
  /* the first screen on a phone: the name, the date, and one big button */
  .hero{padding-top:84px;padding-bottom:20px;--fs:min(21vw,21svh)}
  .badge{display:none}
  .hero-foot{grid-template-columns:1fr;gap:16px;margin-top:22px;padding-top:18px}
  .tag{font-size:27px;grid-column:auto}
  .meta{grid-template-columns:auto auto;gap:14px 28px}
  .meta div:last-child{grid-column:1/-1}
  .meta dd{font-size:18px}
  .cta{justify-content:space-between;background:var(--red);border:0;padding:18px 20px;font-size:20px;order:3}
  .cta svg{width:24px;height:24px}
  .marquee{padding-block:12px}
  .grp{font-size:clamp(30px,9vw,44px)}
  .vstrip b{font-size:22px}
  .vstrip>div{padding:22px var(--pad)}
  .side{font-size:17px;max-width:none}
  .scene{min-height:max(540px,78svh)}
  .scene .huge{font-size:clamp(50px,15.6vw,84px)}
  .disc .q{font-size:clamp(70px,26vw,130px)}
  .disc .y{font-size:clamp(50px,19vw,96px)}
  .disc small{font-size:9.5px;bottom:14%}
  .count{padding-top:70px}
  .digits{font-size:clamp(74px,27.5vw,150px)}
  .slide-in{padding:5cqw 5.4cqw}
  .s-idea{right:5.4cqw;bottom:20cqw}
  .s-circle{width:48cqw;right:-12cqw;top:-18cqw}
  .s-name{font-size:5.4cqw}
  .s-date{display:none}
  .s-logo{font-size:4.4cqw}
  .theme{height:380vh}
  .pin{padding-top:62px;padding-bottom:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important;scroll-behavior:auto!important}
  .js .reveal,.js .ch,.l1 sup{opacity:1;transform:none}
  .js .statement .w{opacity:1}
  .grain{display:none}
}

/* ---------- TEDx brand rules (ted.com/tedx/organizer-guide) ---------- */
/* TEDx in TED red #EB0028, name in white only, Inter, tracking 0, logo on solid black */
.nav,.nav.scrolled{background:#000;-webkit-backdrop-filter:none;backdrop-filter:none}
.logo{font-family:"Inter",var(--f);font-weight:400;letter-spacing:0}
.logo .t{font-weight:900}
.logo b{font-weight:400;color:#fff}
.logo .y{font-weight:800;color:#fff}
.foot{background:#000}
.foot-top nav{gap:10px clamp(18px,2.6vw,40px)}
.foot-legal{display:flex;justify-content:space-between;align-items:center;gap:16px 40px;flex-wrap:wrap;padding-block:clamp(26px,3vw,40px) calc(30px + env(safe-area-inset-bottom))}
.foot-legal .legal{padding:0;font:400 15px/1.5 var(--f);letter-spacing:0;text-transform:none;color:var(--dim)}

/* About TEDx */
.tedx{padding-block:clamp(90px,13vw,220px) 0}
.tedx-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:var(--pad);align-items:start}
.tedx h2{font-size:clamp(32px,4.8vw,80px);font-weight:800;letter-spacing:-.04em;line-height:1}
.tedx h2 em{color:var(--red)}
.tedx h3{font:500 11px/1 var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.tedx-txt p{font-size:clamp(16px,1.3vw,19px);margin-bottom:30px;max-width:38em}
.tedx-txt a{display:inline-block;padding:10px 0;border-bottom:2px solid var(--red);font-weight:600}
@media (max-width:1000px){.tedx-grid{grid-template-columns:1fr;gap:32px}}
@media (max-width:760px){.foot-top a{padding:10px 0}.tedx h2{font-size:clamp(30px,8.4vw,44px)}}