/* Layout: one living particle form fixed behind the page; six quiet scenes scroll over it, one line each. Volt on black only. */
:root{
  --ink:#050505; --paper:#f4f6ef; --volt:#d4ff3a; --char:#3a3a3a; --soft:#b9bcb3; --mute:#7c7f78;
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--body);font-weight:300;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit}
::selection{background:var(--volt);color:var(--ink)}
:focus-visible{outline:1.5px solid var(--volt);outline-offset:4px;border-radius:4px}
.wrap{width:100%;max-width:1440px;margin-inline:auto;padding-inline:clamp(16px,5vw,80px)}

/* the field */
#field{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.fallback{position:fixed;inset:0;z-index:0;background:radial-gradient(38vmin 38vmin at 62% 50%,rgba(212,255,58,.28),rgba(212,255,58,.06) 55%,transparent 72%)}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(120% 90% at 50% 50%,transparent 55%,rgba(0,0,0,.65))}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:20;padding-top:env(safe-area-inset-top,0px)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--display);font-weight:700;font-stretch:90%;font-size:18px;letter-spacing:.01em}
.brand svg{width:28px;height:28px;border-radius:6px}
.ghost{display:inline-flex;align-items:center;gap:10px;padding:11px 20px;border-radius:999px;border:1px solid rgba(244,246,239,.22);text-decoration:none;font-size:14px;font-weight:400;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(5,5,5,.25);transition:border-color .3s,background .3s}
.ghost:hover{border-color:var(--volt)}
.ghost i{width:6px;height:6px;border-radius:50%;background:var(--volt);box-shadow:0 0 12px var(--volt)}

/* scene index */
.idx{position:fixed;right:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);z-index:20;display:grid;gap:14px;list-style:none;margin:0;padding:0}
.idx a{display:block;width:6px;height:6px;border-radius:50%;background:rgba(244,246,239,.25);transition:transform .4s var(--ease),background .4s}
.idx a.on{background:var(--volt);transform:scale(1.6)}
@media (max-width:640px){.idx{display:none}}

/* scenes */
main{position:relative;z-index:10}
.scene{min-height:100svh;display:flex;align-items:center;padding-block:120px}
.scene .wrap{display:grid;gap:22px}
.scene.right .wrap{justify-items:end;text-align:right}
.scene.low{align-items:flex-end}
.k{margin:0;font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--mute);font-weight:500}
.k b{color:var(--volt);font-weight:500}
.line{margin:0;font-family:var(--display);font-weight:300;font-stretch:100%;font-size:clamp(40px,6.6vw,112px);line-height:1.02;letter-spacing:-.035em;max-width:13ch;text-wrap:balance}
.line em{font-style:normal;color:var(--volt)}
.hero .line{font-size:clamp(52px,9vw,156px);max-width:10ch}
.sub{margin:0;font-size:clamp(16px,1.3vw,19px);color:var(--soft);max-width:32ch}
.af{font-family:var(--display);font-weight:800;font-stretch:75%;text-transform:uppercase;letter-spacing:-.01em;line-height:.88;font-size:clamp(64px,11vw,190px);margin:0}
.af span{display:block}
.af em{font-style:normal;color:var(--volt)}

/* the reveal: visible at rest, softened by script as scenes pass */
[data-r]{transition:opacity 1.1s var(--ease),transform 1.1s var(--ease),filter 1.1s var(--ease)}
.js [data-r]:not(.in){opacity:0;transform:translateY(28px);filter:blur(8px)}
.js [data-r="2"]{transition-delay:.15s}
.js [data-r="3"]{transition-delay:.3s}

.btn{display:inline-flex;align-items:center;gap:14px;padding:17px 28px;border-radius:999px;background:var(--volt);color:#0a0a0a;text-decoration:none;font-weight:600;font-size:15px;border:0;cursor:pointer;font-family:var(--body);box-shadow:0 0 0 0 rgba(212,255,58,.45);transition:box-shadow .5s var(--ease),transform .5s var(--ease)}
.btn:hover{box-shadow:0 0 40px 4px rgba(212,255,58,.35);transform:translateY(-1px)}
.btn .ar{transition:transform .4s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}

.cue{position:absolute;left:50%;bottom:calc(28px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);display:grid;justify-items:center;gap:10px;font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--mute)}
.cue i{display:block;width:1px;height:40px;background:linear-gradient(var(--volt),transparent);transform-origin:top;animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0)}55%{transform:scaleY(1);opacity:1}100%{opacity:0}}

/* last scene */
.form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:14px;align-items:end;width:100%;max-width:1040px;margin-top:18px}
.fld{display:grid;gap:4px;min-width:0}
.fld label{font-size:12px;color:var(--mute);letter-spacing:.04em}
.fld input{font:inherit;font-size:17px;color:var(--paper);background:transparent;border:0;border-bottom:1px solid rgba(244,246,239,.25);padding:10px 0;border-radius:0;min-width:0}
.fld input:focus{outline:none;border-bottom-color:var(--volt)}
.fld input::placeholder{color:#5c5f58}
.msg{grid-column:1/-1;margin:0;min-height:1.4em;color:var(--volt);font-size:14px}
@media (max-width:820px){.form{grid-template-columns:minmax(0,1fr)}.form .btn{justify-self:start}}

.foot{position:relative;z-index:10;padding-block:36px calc(36px + env(safe-area-inset-bottom,0px));border-top:1px solid rgba(244,246,239,.08);background:linear-gradient(transparent,rgba(5,5,5,.85))}
.foot .wrap{display:flex;flex-wrap:wrap;gap:16px 32px;justify-content:space-between;font-size:12px;color:var(--mute)}
.foot p{margin:0}

@media (max-width:640px){
  .scene{align-items:flex-end;padding-block:96px 72px}
  .scene.right .wrap{justify-items:start;text-align:left}
  main::before{content:"";position:fixed;inset:auto 0 0 0;height:55svh;background:linear-gradient(transparent,rgba(5,5,5,.8));pointer-events:none;z-index:-1}
}
@media (max-width:640px){.cue{display:none}}
@media (prefers-reduced-motion:reduce){.cue i{animation:none}[data-r]{transition:none}}

.msg.err{color:#ff8f7a}
.fld input[aria-invalid="true"]{border-bottom-color:#ff8f7a}
.btn:disabled{opacity:.6;cursor:default}
.foot nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.foot nav a{color:var(--soft);text-decoration:none}
.foot nav a:hover{color:var(--paper)}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--volt);color:#0a0a0a;padding:10px 16px;border-radius:999px}
.skip:focus{left:16px}

/* "Your turn": quieter field, brighter type (10 Oct 2026) */
#s5 .wrap{position:relative}
#s5 .wrap::before{content:"";position:absolute;z-index:-1;inset:-12% -6% -18% -6%;background:radial-gradient(70% 70% at 30% 55%,rgba(5,5,5,.88),rgba(5,5,5,.55) 55%,transparent 80%);pointer-events:none}
#s5 .sub{color:var(--paper)}
#s5 .fld label{color:var(--soft)}
#s5 .fld input{border-bottom-color:rgba(244,246,239,.5);font-weight:400}
#s5 .fld input::placeholder{color:#9a9d95}

/* the blur on not-yet-revealed text counts as page width in Chrome; keep it inside each section (audit 25 Oct 2026) */
.scene{overflow-x:clip}