:root{
  --c950:#0C0D0E;--c800:#23272B;--c700:#30353A;--steel3:#AEB2B5;--blue:#0058F6;--blue-dark:#4D8DFF;
  --f:Geist,"Segoe UI Variable Text","Segoe UI",system-ui,sans-serif;--mono:"Geist Mono",ui-monospace,Consolas,monospace;
  --ease:cubic-bezier(.2,0,0,1);
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--c950);color:#EDEEEC;font:400 16px/1.55 var(--f);-webkit-font-smoothing:antialiased}
body{margin:0;background:var(--c950)}
h2,h3,p,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
.mono{font-family:var(--mono)}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}

.problem{padding-top:150px;background:var(--c950)}
.problem__head{padding-bottom:72px}
.eyebrow{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel3);margin-bottom:22px}
.h2{font-size:clamp(34px,4.6vw,60px);line-height:1.04;letter-spacing:-.035em;font-weight:600;max-width:900px;margin-bottom:24px;color:#fff}
.h2 .tone{color:#6B7076}
.lede{max-width:720px;font-size:clamp(16px,1.4vw,19px);color:var(--steel3)}

.track{height:820vh;position:relative}
.pscene{position:sticky;top:0;height:100vh;min-height:640px;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block}
.pscene__veil{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,var(--c950) 0,rgba(12,13,14,.8) 24%,rgba(12,13,14,0) 48%),linear-gradient(180deg,var(--c950) 0,rgba(12,13,14,0) 12%,rgba(12,13,14,0) 88%,var(--c950) 100%)}
.pscene__ui{position:relative;height:100%;display:flex;align-items:center;pointer-events:none}
.pscene__copy{position:relative;width:460px;padding-left:40px;transition:opacity .4s var(--ease)}
.pscene__step{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--steel3);margin-bottom:22px}
.pscene__step span:first-child{color:#fff}
.pains{display:grid}
.pain{grid-area:1/1;opacity:0;transform:translateY(16px);transition:opacity .45s var(--ease),transform .55s var(--ease)}
.pain.is-on{opacity:1;transform:none}
.pain h3{font-size:clamp(30px,3.1vw,44px);line-height:1.08;letter-spacing:-.03em;font-weight:600;color:#fff;margin-bottom:20px}
.pain p{font-size:17px;line-height:1.55;color:var(--steel3);max-width:410px}
.pscene__rail{position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--c700);border-radius:1px;overflow:hidden}
.pscene__rail i{display:block;width:100%;height:100%;background:var(--blue-dark);transform-origin:50% 0;transform:scaleY(0)}

.tags{position:absolute;left:68.5%;top:81%;transform:translateX(-50%);display:grid;justify-items:center;width:max-content;max-width:90%}
.tags li{grid-area:1/1;font-size:12px;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;color:#F6E3E1;padding:9px 14px;border-radius:8px;
  background:linear-gradient(rgba(238,79,66,.13),rgba(238,79,66,.13)),rgba(26,29,32,.72);
  box-shadow:0 0 0 1px rgba(238,79,66,.45) inset,0 0 22px -6px rgba(238,79,66,.4);backdrop-filter:blur(8px);
  opacity:0;transform:translateY(8px);transition:opacity .45s var(--ease),transform .5s var(--ease)}
.tags li.ok{color:#E6EEFF;background:linear-gradient(rgba(77,141,255,.14),rgba(77,141,255,.14)),rgba(26,29,32,.72);box-shadow:0 0 0 1px rgba(77,141,255,.5) inset,0 0 22px -6px rgba(77,141,255,.45)}
.tags li.is-on{opacity:1;transform:none}
.pscene.is-end .tags{left:50%;top:73%}

.pov{position:absolute;left:0;right:0;bottom:8%;text-align:center;pointer-events:none;opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .7s var(--ease)}
.pov h2{font-size:clamp(24px,3vw,42px);font-weight:600;letter-spacing:-.03em;line-height:1.1;color:#fff;max-width:760px;margin:0 auto;padding:0 24px}
.pov .u{background:linear-gradient(var(--blue-dark),var(--blue-dark)) 0 100%/100% 3px no-repeat;padding-bottom:2px}
.pscene.is-end .pov{opacity:1;transform:none}
.pscene.is-end .pscene__copy{opacity:0}
.pscene.is-end .pscene__veil{opacity:.3}

@media (max-width:860px){
  .problem{padding-top:100px}
  .pscene__ui{align-items:flex-end;padding-bottom:64px}
  .pscene__copy{width:100%;padding-left:20px}
  .pain h3{font-size:26px;margin-bottom:12px}
  .pain p{font-size:15px}
  .tags{left:50%;top:auto;bottom:21px}
  .tags li{font-size:10px;padding:7px 10px}
  .pscene__veil{background:linear-gradient(0deg,var(--c950) 0,rgba(12,13,14,.88) 34%,rgba(12,13,14,0) 58%)}
  .pov{bottom:8%}
  .pscene.is-end .tags{top:auto;bottom:21px;left:50%}
}
@media (prefers-reduced-motion:reduce){.pain{transition:none}}