:root{
  --bg:#050807;
  --green:#22b99a;
  --neon:#7dffd9;
  --text:#e6f4ef;
  --muted:rgba(230,244,239,.62);
  --line:rgba(34,185,154,.22);
  --f-head:"Sora",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
  --gutter:clamp(16px,4vw,60px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip}
body{background:var(--bg);color:var(--text);font-family:var(--f-body);font-size:17px;line-height:1.65;overflow-x:clip;-webkit-font-smoothing:antialiased}
body.is-loading{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--green);color:var(--bg)}

/* fondo: cuadrícula + luciérnagas */
body::before{content:"";position:fixed;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:80px 80px;opacity:.18;mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%);pointer-events:none}
.fireflies{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}

/* loader */
.loader{position:fixed;inset:0;z-index:200;background:var(--bg);display:grid;place-items:center;align-content:center;gap:24px}
.loader__dot{width:16px;height:16px;border-radius:50%;background:var(--neon);box-shadow:0 0 30px var(--neon),0 0 80px var(--green)}
.loader__line{width:min(60vw,420px);height:2px;background:linear-gradient(90deg,var(--green),var(--neon));transform:scaleX(0);transform-origin:left;box-shadow:0 0 16px var(--green)}
.loader__txt{font-family:var(--f-head);font-weight:300;letter-spacing:.3em;text-transform:uppercase;font-size:13px;color:var(--muted);opacity:0}

/* barra */
.top{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px var(--gutter);background:linear-gradient(var(--bg),rgba(5,8,7,0))}
.top__logo{font-family:var(--f-head);font-weight:800;font-size:22px;letter-spacing:.08em;display:flex;flex-direction:column;line-height:1}
.top__logo small{font-weight:300;font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--green);margin-top:4px}
.top__progress{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.top__progress span{color:var(--neon);font-weight:600;font-variant-numeric:tabular-nums}
.top__cta{border:1px solid var(--green);color:var(--neon);padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;transition:background .3s,color .3s}
.top__cta:hover{background:var(--green);color:var(--bg)}

/* el camino */
.road{position:relative;z-index:1}
.path{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.path__ghost{fill:none;stroke:rgba(34,185,154,.16);stroke-width:2;stroke-dasharray:4 10}
.path__lit{fill:none;stroke:#4fe3bd;stroke-width:4;stroke-linecap:round;filter:drop-shadow(0 0 6px #22b99a) drop-shadow(0 0 14px rgba(34,185,154,.6))}
.path__walker{fill:var(--neon);filter:drop-shadow(0 0 12px var(--neon)) drop-shadow(0 0 30px var(--green))}

.stop{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px var(--gutter)}
.stop__body{position:relative;z-index:2;width:min(560px,100%);display:flex;flex-direction:column;gap:18px;padding:clamp(24px,3vw,40px);border-radius:24px;background:rgba(5,8,7,.72);backdrop-filter:blur(8px);border:1px solid rgba(34,185,154,.18)}
.stop--l{justify-content:flex-start}
.stop--r{justify-content:flex-end}
.stop--l .stop__body{margin-left:clamp(40px,10vw,160px)}
.stop--r .stop__body{margin-right:clamp(40px,10vw,160px)}
.stop--hero{justify-content:center;text-align:center}
.stop--hero .stop__body{max-width:900px;align-items:center;background:none;border:0;backdrop-filter:none}
.stop--end{justify-content:center}
.stop--end .stop__body{max-width:820px;width:100%}

.node{position:absolute;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;border:2px solid rgba(34,185,154,.5);background:var(--bg);z-index:1;transition:background .4s,box-shadow .4s,border-color .4s}
.node::after{content:attr(data-label);position:absolute;left:50%;top:30px;transform:translateX(-50%);white-space:nowrap;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);transition:color .4s}
.node.is-lit{background:var(--neon);border-color:var(--neon);box-shadow:0 0 20px var(--neon),0 0 60px var(--green)}
.node.is-lit::after{color:var(--neon)}
.node--end{width:34px;height:34px;margin:-17px 0 0 -17px}
.stop--hero .node{left:50%;top:94px}
.stop--l .node{left:8%;top:50%}
.stop--r .node{left:92%;top:50%}
.stop--end .node{left:50%;top:70px}

.tag{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--green);font-weight:600}
.h1{font-family:var(--f-head);font-weight:800;font-size:clamp(34px,5vw,76px);line-height:1.02;letter-spacing:-.03em}
.h1 .w{display:inline-block;opacity:0;filter:blur(10px);transform:translateY(20px)}
.h2{font-family:var(--f-head);font-weight:800;font-size:clamp(30px,3.6vw,52px);line-height:1.05;letter-spacing:-.02em}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);max-width:620px}
.ctas{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.btn{background:var(--green);color:var(--bg);font-weight:600;padding:15px 26px;border-radius:999px;box-shadow:0 0 0 0 rgba(125,255,217,.5);transition:transform .3s,box-shadow .3s}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 40px -8px var(--green)}
.btn--ghost{background:none;color:var(--neon);border:1px solid var(--green)}
.hero__scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}

.video{position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:radial-gradient(circle at 50% 40%,rgba(34,185,154,.35),#0a1210 70%);display:grid;place-items:center;border:1px solid rgba(34,185,154,.3)}
.video__play{width:84px;height:84px;border-radius:50%;background:var(--neon);color:var(--bg);font-size:28px;padding-left:6px;box-shadow:0 0 40px var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 70px var(--neon)}}
.video__soon{position:absolute;inset:auto 0 0;padding:18px;text-align:center;font-size:14px;background:linear-gradient(transparent,rgba(0,0,0,.85));opacity:0;transition:opacity .4s}
.video.is-soon .video__soon{opacity:1}

.act{overflow:hidden}
.act__num{position:absolute;right:20px;top:-10px;font-family:var(--f-head);font-weight:800;font-size:clamp(100px,12vw,170px);line-height:1;color:rgba(34,185,154,.1);pointer-events:none}
.act__key{font-family:var(--f-head);font-weight:600;color:var(--neon);font-size:20px}
.quote{font-family:var(--f-head);font-weight:300;font-size:clamp(22px,2.2vw,28px);line-height:1.3;color:var(--neon)}
b{color:var(--neon);font-weight:600}
.sign{font-family:var(--f-head);font-weight:800;color:var(--green);align-self:flex-end}

/* test */
.quiz{margin-top:10px}
.quiz__progress{height:4px;border-radius:4px;background:rgba(34,185,154,.15);margin-bottom:26px;overflow:hidden}
.quiz__progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--neon));box-shadow:0 0 12px var(--neon);transition:width .5s}
.quiz__step{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--green)}
.quiz__q{display:flex;flex-direction:column;gap:18px}
.quiz__q h3{font-family:var(--f-head);font-weight:600;font-size:clamp(22px,2.4vw,32px);line-height:1.2}
.quiz__opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quiz__opt{display:flex;gap:12px;align-items:flex-start;text-align:left;padding:16px 18px;border-radius:14px;border:1px solid rgba(34,185,154,.3);background:rgba(34,185,154,.06);transition:border-color .3s,background .3s,transform .3s}
.quiz__opt b{color:var(--neon);font-family:var(--f-head)}
.quiz__opt:hover{border-color:var(--neon);transform:translateY(-2px)}
.quiz__opt.is-picked{background:var(--green);color:var(--bg)}
.quiz__opt.is-picked b{color:var(--bg)}
.quiz__back{align-self:flex-start;font-size:14px;color:var(--muted);text-decoration:underline}
.quiz__result{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.quiz__result[hidden]{display:none}
.quiz__label{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--green)}
.quiz__role{font-family:var(--f-head);font-weight:800;font-size:clamp(34px,4.4vw,56px);line-height:1;color:var(--neon);text-shadow:0 0 30px rgba(125,255,217,.4)}
.quiz__act{font-weight:600}
.quiz__name{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted);width:min(100%,360px)}
.quiz__name input{background:rgba(34,185,154,.08);border:1px solid rgba(34,185,154,.4);border-radius:10px;padding:12px 14px;color:var(--text);font:inherit}
.quiz__wa{background:#25d366;color:#04210f;font-weight:700;padding:16px 26px;border-radius:999px;box-shadow:0 0 30px rgba(37,211,102,.5)}
.quiz__again{font-size:14px;color:var(--muted);text-decoration:underline}

.foot{position:relative;z-index:1;text-align:center;padding:100px var(--gutter) 40px;color:var(--muted);font-size:14px}
.foot__big{font-family:var(--f-head);font-weight:800;font-size:clamp(80px,18vw,260px);line-height:1;color:transparent;-webkit-text-stroke:1px var(--green);text-shadow:0 0 60px rgba(34,185,154,.3)}

.wa{position:fixed;right:18px;bottom:18px;z-index:60;background:#25d366;color:#04210f;font-weight:700;font-size:14px;padding:12px 18px;border-radius:999px;box-shadow:0 10px 30px rgba(0,0,0,.4)}

@media (max-width:820px){
  .top__progress{display:none}
  .stop{padding:110px 16px 90px 52px;min-height:auto}
  .stop--l,.stop--r,.stop--end,.stop--hero{justify-content:flex-start;text-align:left}
  .stop--hero{min-height:100vh}
  .stop--hero .stop__body{align-items:flex-start}
  .stop .stop__body{margin:0!important}
  .stop .node,.stop--hero .node,.stop--end .node{left:26px!important;top:130px!important}
  .node::after{display:none}
  .ctas{justify-content:flex-start}
  .quiz__opts{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .h1 .w{opacity:1;filter:none;transform:none}
  *{animation:none!important}
}

/* =========================================================
   v2 · más impacto
   ========================================================= */
/* suelo synthwave que avanza con el scroll */
.floor{position:fixed;left:0;right:0;bottom:0;height:46vh;perspective:300px;perspective-origin:50% 0;overflow:hidden;pointer-events:none;z-index:0;-webkit-mask-image:linear-gradient(transparent,#000 45%);mask-image:linear-gradient(transparent,#000 45%)}
.floor__plane{position:absolute;left:-60%;right:-60%;top:0;height:260%;transform-origin:50% 0;transform:rotateX(64deg);background-image:linear-gradient(rgba(34,185,154,.6) 1.5px,transparent 1.5px),linear-gradient(90deg,rgba(34,185,154,.6) 1.5px,transparent 1.5px);background-size:70px 70px;background-position:0 var(--gy,0px);filter:drop-shadow(0 0 6px rgba(34,185,154,.8))}
.floor__sun{position:absolute;left:50%;top:-22vh;width:min(70vw,720px);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(125,255,217,.35),rgba(34,185,154,.12) 45%,transparent 70%);filter:blur(10px)}

/* linterna que sigue al ratón */
.torch{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(circle 260px at var(--mx,50%) var(--my,40%),rgba(34,185,154,.16),transparent 70%)}

/* láser de la portada */
.laser{position:fixed;left:0;right:0;top:0;height:2px;z-index:150;background:linear-gradient(90deg,transparent,var(--neon),#fff,var(--neon),transparent);box-shadow:0 0 20px var(--neon),0 0 60px var(--green);opacity:0;pointer-events:none}

.h1 .ch{display:inline-block;opacity:.08;text-shadow:none;transition:none}
.h1 .ch.on{opacity:1;text-shadow:0 0 18px rgba(125,255,217,.55),0 0 40px rgba(34,185,154,.35)}
.strike{position:relative;display:inline-block;color:rgba(230,244,239,.35)}
.strike__old{opacity:0}
.strike__beam{position:absolute;left:-2%;top:52%;height:6px;width:104%;background:var(--neon);box-shadow:0 0 14px var(--neon),0 0 40px var(--green);border-radius:4px;transform:scaleX(0);transform-origin:left}
.rewrite{display:inline-block;margin-left:.25em;color:var(--neon);text-shadow:0 0 20px var(--neon),0 0 60px var(--green);opacity:0;transform:scale(2.4);filter:blur(12px)}

/* aviso de checkpoint */
.toast{position:fixed;left:50%;top:84px;z-index:120;display:flex;align-items:center;gap:14px;padding:12px 22px;border-radius:999px;background:rgba(5,8,7,.85);backdrop-filter:blur(10px);border:1px solid var(--neon);box-shadow:0 0 30px rgba(34,185,154,.5);transform:translate(-50%,-200px);font-family:var(--f-head);white-space:nowrap}
.toast__k{color:var(--neon);font-size:12px;letter-spacing:.2em;text-transform:uppercase}
.toast__t{font-weight:800;font-size:15px}

/* onda expansiva en cada hito */
.shock{position:absolute;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;border:3px solid var(--neon);box-shadow:0 0 30px var(--neon),inset 0 0 30px var(--green);pointer-events:none;z-index:1}

/* altímetro lateral */
.alti{position:fixed;left:22px;top:50%;transform:translateY(-50%);z-index:40;height:52vh;display:flex;flex-direction:column;align-items:center;gap:10px}
.alti__bar{position:relative;width:3px;flex:1;background:rgba(34,185,154,.18);border-radius:3px;overflow:hidden}
.alti__fill{position:absolute;left:0;right:0;bottom:0;height:0;background:linear-gradient(var(--neon),var(--green));box-shadow:0 0 12px var(--neon)}
.alti__ticks{position:absolute;top:0;bottom:30px;left:-5px;width:13px}
.alti__ticks i{position:absolute;left:0;width:13px;height:2px;background:rgba(34,185,154,.4);transition:background .3s,box-shadow .3s}
.alti__ticks i.on{background:var(--neon);box-shadow:0 0 8px var(--neon)}
.alti__n{font-family:var(--f-head);font-size:11px;color:var(--neon);letter-spacing:.1em;white-space:nowrap}

/* título que se descifra */
.scr{color:var(--neon)}

@media (max-width:820px){
  .alti{display:none}
  .floor{height:34vh}
  .toast{top:74px;padding:10px 16px}
  .toast__t{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  .h1 .ch{opacity:1}.strike__old{opacity:1}.rewrite{opacity:1;transform:none;filter:none}
}
.h1 .wd{display:inline-block;white-space:nowrap}
.stop--hero .stop__body{width:min(1000px,100%)}