:root{
  --bg:#fafafa;--surface:#fff;--line:#e6e6e6;--line-2:#d4d4d4;
  --ink:#171717;--ink-2:#666;--ink-3:#8f8f8f;
  --blue:#1d4ed8;--teal:#0f766e;
  --orange:#F84800;--orange-bg:#fff1ea;--orange-line:#fbc3a8;
  --ease:cubic-bezier(.2,.8,.2,1);
  --font:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;overflow:hidden}
body{background:var(--bg);color:var(--ink);font:400 clamp(16px,1.5vw,22px)/1.5 var(--font);-webkit-font-smoothing:antialiased}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.topbar{position:fixed;inset:0 0 auto 0;height:4px;background:var(--orange-bg);z-index:10}
.topbar i{display:block;height:100%;width:0;background:var(--orange);transition:width .5s var(--ease)}
.hd{position:fixed;top:4px;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:14px 32px;z-index:9;pointer-events:none}
.hd img{height:24px}
.hd span{color:var(--ink-3);font-size:14px;font-feature-settings:'tnum' 1}
#deck{position:fixed;inset:0}
.slide{position:absolute;inset:0;padding:84px 6vw 76px;display:flex;flex-direction:column;justify-content:center;opacity:0;visibility:hidden;transform:translateX(24px);transition:opacity .45s var(--ease),transform .45s var(--ease),visibility 0s .45s}
.slide.active{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.slide.past{transform:translateX(-24px)}
.eyebrow{margin:0 0 10px;color:var(--orange);font-weight:600;font-size:.8em;letter-spacing:.06em;text-transform:uppercase}
h1,h2{margin:0;letter-spacing:-.03em;font-weight:600;line-height:1.08}
h1{font-size:clamp(40px,6vw,88px)}
h2{font-size:clamp(28px,3.4vw,52px);margin-bottom:28px}
.cover{align-items:center;text-align:center}
.logo-xl{height:clamp(44px,7vw,92px);margin-bottom:36px}
.lead{color:var(--ink-2);font-size:1.3em;margin:18px 0 0}
.hint{position:absolute;bottom:64px;color:var(--ink-3);font-size:.75em}
/* reveal de hijos */
.slide .copy>*,.slide>h2,.slide>.eyebrow,.slide .steps li,.slide .loop>*,.slide .links .btn,.slide .shot,.cover>*{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.slide.active .copy>*,.slide.active>h2,.slide.active>.eyebrow,.slide.active .steps li,.slide.active .loop>*,.slide.active .links .btn,.slide.active .shot,.cover.active>*{opacity:1;transform:none}
.slide.active .shot{transition-delay:.15s}
.slide.active .shot.sm{transition-delay:.3s}
/* map */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px 18px;display:flex;flex-direction:column;gap:6px;position:relative}
.steps b{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:1px solid var(--line-2);font-size:.8em;font-weight:600;transition:.3s}
.steps span{font-weight:600;font-size:1.05em}
.steps small{color:var(--ink-2)}
.steps li.on{border-color:var(--orange);background:var(--orange-bg)}
.steps li.on b{background:var(--orange);border-color:var(--orange);color:#fff}
.slide.active .steps li:nth-child(2){transition-delay:.1s}.slide.active .steps li:nth-child(3){transition-delay:.2s}
.slide.active .steps li:nth-child(4){transition-delay:.3s}.slide.active .steps li:nth-child(5){transition-delay:.4s}
/* product */
.prod{flex-direction:row;align-items:center;gap:4vw}
.prod .copy{flex:0 0 28%}
.prod ul{margin:0;padding:0;list-style:none;display:grid;gap:14px}
.prod li{padding-left:22px;position:relative;color:var(--ink-2)}
.prod li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.shot{margin:0;flex:1;min-width:0}
.shot img{display:block;width:100%;max-height:calc(100vh - 210px);object-fit:contain;object-position:left top;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 8px 40px rgba(0,0,0,.12)}
.shot figcaption{margin-top:10px;color:var(--ink-3);font-size:.75em}
.shots2{flex:1;min-width:0;display:flex;gap:18px;align-items:flex-start}
.shots2 .shot{flex:1.6}.shots2 .shot.sm{flex:1}
.shots2 .shot img{max-height:calc(100vh - 230px)}
/* loop */
.loop{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.loop span{color:var(--ink-3);font-size:1.4em}
.n{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 22px;font-weight:600}
.n.hot{background:var(--orange-bg);border-color:var(--orange);color:var(--orange)}
.fork{display:grid;gap:12px}
.n.ok{border-color:var(--teal);color:var(--teal);background:#def0ee}
.n.back{border-color:var(--blue);color:var(--blue);background:#e8eefc}
/* links */
.links{display:flex;gap:14px;flex-wrap:wrap}
.btn{background:var(--orange);color:#fff;text-decoration:none;font-weight:600;padding:14px 24px;border-radius:6px}
.btn:hover{background:#d93e00}
/* dots */
.dots{position:fixed;bottom:26px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:10}
.dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:var(--line-2);cursor:pointer;transition:.3s var(--ease)}
.dots button.on{background:var(--orange);width:26px;border-radius:5px}
@media(max-width:820px){
  .slide{padding:76px 6vw 64px;overflow:auto}
  .prod{flex-direction:column;align-items:stretch;gap:20px;justify-content:flex-start}
  .prod .copy{flex:none}
  .shots2{flex-direction:column}
  .steps{grid-template-columns:1fr}
  .shot img{max-height:50vh}
}
@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important}}