:root{
  --ground:#0e0b24; --ground2:#171236; --paper:#f6f4ff; --muted:#b8b3d9;
  --violet:#4338ca; --pink:#e6338f; --orange:#fb7c3c; --lilac:#b9a2ff;
  --line:rgba(185,162,255,.22);
  --display:"Bricolage Grotesque","Inter",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--paper);font:400 17px/1.6 var(--body);overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--lilac);outline-offset:3px;border-radius:6px}

#gl{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
main,footer,.top,.sticky{position:relative;z-index:1}

/* header */
.top{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:28px;
  padding:14px max(20px,4vw);background:linear-gradient(to bottom,rgba(14,11,36,.85),rgba(14,11,36,0))}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 20px/1 var(--display);letter-spacing:-.01em}
.brand b{font-weight:800;background:linear-gradient(90deg,var(--lilac),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.top nav{display:flex;gap:22px;margin-left:auto}
.top nav a{text-decoration:none;color:var(--muted);font-size:15px;font-weight:500;padding:6px 2px}
.top nav a:hover{color:var(--paper)}

/* download button: the one loud thing on every screen */
.dl{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;color:#fff;
  font:600 16px/1 var(--body);padding:15px 24px;border-radius:999px;
  background:linear-gradient(100deg,var(--violet),var(--pink) 62%,var(--orange));background-size:140% 100%;background-position:0 0;
  box-shadow:0 10px 30px -8px rgba(230,51,143,.55),inset 0 1px 0 rgba(255,255,255,.25);
  transition:transform .18s ease,box-shadow .18s ease,background-position .4s ease}
.dl svg{width:20px;height:20px;flex:none}
.dl:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 38px -8px rgba(230,51,143,.7),inset 0 1px 0 rgba(255,255,255,.3)}
.dl:active{transform:translateY(0)}
.dl-sm{padding:11px 18px;font-size:15px;margin-left:4px}
.dl-lg{padding:19px 32px;font-size:18px}
.ghost{color:var(--paper);text-decoration:none;font-weight:600;padding:18px 6px;border-bottom:2px solid transparent}
.ghost:hover{border-bottom-color:var(--lilac)}

/* chapters */
.chap{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:110px 0 90px}
.col{width:min(500px,92vw);margin-left:max(22px,6vw)}
h1,h2{font-family:var(--display);font-weight:800;letter-spacing:-.025em;line-height:1.02;margin:0 0 22px}
h1{font-size:clamp(40px,min(5.6vw,10.5vh),78px)}
h2{font-size:clamp(32px,3.8vw,54px)}
.lead{font-size:clamp(18px,1.5vw,21px);color:#dcd8f5;margin:0 0 30px;max-width:46ch}
.col>p{color:#d4d0ee;max-width:46ch;margin:0 0 22px}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.meta{font-size:14px;color:var(--muted);margin:16px 0 0}
.hint{font-size:14px;color:var(--lilac);margin:34px 0 0;display:flex;align-items:center;gap:10px}
.hint::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 0 rgba(230,51,143,.7);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 12px rgba(230,51,143,0)}100%{box-shadow:0 0 0 0 rgba(230,51,143,0)}}
.ticks{list-style:none;margin:0 0 30px;padding:0}
.ticks li{position:relative;padding:7px 0 7px 30px;color:#e6e3fa}
.ticks li::before{content:"";position:absolute;left:2px;top:15px;width:14px;height:8px;border-left:3px solid var(--pink);border-bottom:3px solid var(--pink);transform:rotate(-48deg) scale(.9)}
.note{font-size:14px;color:var(--muted)!important;margin-top:-6px!important}
.swatches{display:flex;gap:12px;margin:6px 0 14px}
.swatches button{width:46px;height:46px;border-radius:14px;border:2px solid transparent;cursor:pointer;padding:0;
  box-shadow:0 6px 16px -6px rgba(0,0,0,.6);transition:transform .15s ease,border-color .15s ease}
.swatches button:hover{transform:translateY(-3px)}
.swatches button[aria-pressed="true"]{border-color:#fff;transform:translateY(-3px) scale(1.06)}

/* video section: opaque, covers the canvas */
.watch,.faq,footer{background:var(--ground)}
.watch{background:radial-gradient(1200px 500px at 50% 0%,#241a5c 0%,var(--ground) 70%);padding:110px 0 100px;text-align:center}
.wrap{width:min(1040px,92vw);margin:0 auto}
.watch h2{margin-bottom:34px}
.player{border-radius:20px;overflow:hidden;background:#000;box-shadow:0 40px 90px -30px rgba(67,56,202,.8),0 0 0 1px var(--line);aspect-ratio:16/9}
.player video{width:100%;height:100%;object-fit:contain}
.tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:22px 0 38px}
.tabs button{font:500 15px/1 var(--body);color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:999px;padding:12px 18px;cursor:pointer}
.tabs button[aria-selected="true"]{color:#fff;background:rgba(185,162,255,.16);border-color:var(--lilac)}
.watch .meta{margin-top:18px}

.final{min-height:90vh}
.final .col{width:min(560px,92vw)}

.faq{padding:90px 0 80px}
.faq .wrap{width:min(780px,92vw)}
.faq h2{margin-bottom:28px}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font:600 18px/1.35 var(--body);position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:18px;font-size:28px;font-weight:400;color:var(--lilac);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0 0 24px;color:#d4d0ee;max-width:62ch}
details a{color:var(--lilac)}

footer{padding:50px 0 70px;border-top:1px solid var(--line);color:var(--muted);font-size:15px}
footer .brand{color:var(--paper);margin-bottom:12px}
footer p{margin:6px 0}
footer a{color:var(--paper)}

.sticky{display:none}

/* narrow screens: scene on top, text sits low over a soft backing */
@media (max-width:900px){
  .top nav{display:none}
  .top .dl-sm{margin-left:auto}
  .chap{align-items:flex-end;padding:100px 0 96px}
  .col{margin:0 auto;padding:22px 20px;border-radius:22px;background:rgba(14,11,36,.78);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line)}
  h1{font-size:clamp(32px,9vw,42px);margin-bottom:14px}
  .col{padding:20px 18px}
  h2{font-size:clamp(28px,8vw,38px)}
  .hint,.ghost,.ticks,.col .meta{display:none}
  .lead{font-size:16px;margin-bottom:20px}
  .col>p{font-size:16px;margin-bottom:18px}
  .dl-lg{width:100%}
  .ghost{padding:12px 0}
  .sticky{position:fixed;display:block;left:0;right:0;bottom:0;z-index:30;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:linear-gradient(to top,rgba(14,11,36,.96) 60%,rgba(14,11,36,0));transform:translateY(110%);transition:transform .3s ease}
  .sticky.show{transform:none}
  .sticky .dl{width:100%;padding:16px}
  footer{padding-bottom:110px}
}

/* no WebGL: show the film poster instead of the scene */
.no-gl #gl{display:none}
.no-gl body::before{content:"";position:fixed;inset:0;z-index:0;background:linear-gradient(to right,var(--ground) 38%,rgba(14,11,36,.55)),url(assets/hero-poster.jpg) center/cover}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hint::before{animation:none}
  .dl,.swatches button,summary::after{transition:none}
}

.wd{display:inline-block;overflow:hidden;vertical-align:top;padding:.08em .04em .12em;margin:-.08em -.04em -.12em}
.wd>span{display:inline-block;will-change:transform}
.dl{position:relative;overflow:hidden}
.dl::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);animation:shine 4.5s ease-in-out infinite}
@keyframes shine{0%,60%{left:-60%}100%{left:130%}}
@media (prefers-reduced-motion:reduce){.dl::after{animation:none;display:none}}