:root{
  --bg:#0b0f15;
  --bg-2:#121823;
  --panel:rgba(20,27,38,.78);
  --line:rgba(159,212,230,.16);
  --fg:#e8eef3;
  --muted:#93a1ae;
  --glacier:#9fd4e6;
  --burgundy:#b8475d;
  --good:#7fd3a6;
  --f-display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --f-body:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.6;margin:0;overflow-x:hidden}
a{color:var(--glacier)}
:focus-visible{outline:2px solid var(--glacier);outline-offset:3px;border-radius:6px}

#stage{position:fixed;inset:0;z-index:0;pointer-events:none}
#stage canvas{display:block;width:100%;height:100%}
.glow{position:fixed;inset:-20%;z-index:0;pointer-events:none;
  background:radial-gradient(40% 35% at 72% 40%,rgba(159,212,230,.10),transparent 70%),
             radial-gradient(30% 30% at 85% 80%,rgba(184,71,93,.10),transparent 70%)}

.wrap{position:relative;z-index:1;padding-inline:clamp(16px,5vw,64px);max-width:1280px;margin:0 auto}
.col{max-width:560px}

header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:14px;
  background:linear-gradient(var(--bg),rgba(11,15,21,.6) 70%,transparent)}
.brand{font-family:var(--f-display);font-weight:800;font-size:18px;letter-spacing:-.01em;color:var(--fg);text-decoration:none}
.brand span{color:var(--glacier)}
nav.top{display:flex;gap:18px;flex-wrap:wrap}
nav.top a{color:var(--muted);text-decoration:none;font-size:14px}
nav.top a:hover{color:var(--fg)}

.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--glacier)}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(40px,7vw,84px);line-height:.98;font-weight:800}
h1 em{font-style:normal;background:linear-gradient(100deg,var(--glacier),#e6f4f9 40%,var(--burgundy));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:clamp(30px,4.4vw,52px);line-height:1.04;font-weight:800}
h3{font-size:22px;font-weight:700}
p{margin:0}
.lede{font-size:19px;color:var(--muted);max-width:52ch}

section{padding-block:clamp(64px,10vw,120px)}
.hero{padding-block:clamp(40px,8vw,96px) 48px;display:grid;gap:28px}
.facts{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-family:var(--f-mono);font-size:13px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);backdrop-filter:blur(8px)}
.chip b{color:var(--glacier);font-weight:600}

.swatches{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.swatches .lbl{font-size:13px;color:var(--muted)}
.sw{width:34px;height:34px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;box-shadow:inset 0 0 0 2px rgba(255,255,255,.08);transition:transform .2s}
.sw:hover{transform:scale(1.12)}
.sw[aria-pressed="true"]{border-color:var(--fg)}
.cta{display:inline-flex;gap:8px;align-items:center;align-self:start;background:var(--glacier);color:#0b0f15;font-weight:600;text-decoration:none;padding:12px 20px;border-radius:999px;transition:transform .2s,box-shadow .2s}
.cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(159,212,230,.25)}

/* Anatomía */
.anat{display:grid;gap:22px}
.steps{display:grid;gap:14px;margin-top:8px}
.step{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--panel);backdrop-filter:blur(10px);cursor:default;transition:border-color .3s,transform .3s,background .3s}
.step .n{font-family:var(--f-mono);font-size:12px;color:var(--muted);padding-top:4px}
.step h3{font-size:20px;margin-bottom:4px}
.step p{color:var(--muted);font-size:15px}
.step .num{font-family:var(--f-mono);color:var(--fg);font-size:14px;margin-top:8px;display:block}
.step.on{border-color:var(--glacier);transform:translateX(8px);background:rgba(28,40,54,.88)}
.step.on .n{color:var(--glacier)}
.spacer{height:30vh}

/* Comparador */
.cmp{background:var(--panel);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:24px;padding:clamp(18px,3vw,32px);display:grid;gap:22px;max-width:760px}
.pick{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:end}
.pick label{display:grid;gap:6px;font-size:13px;color:var(--muted);min-width:0}
.pick select{font:inherit;color:var(--fg);background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;width:100%}
.vs{font-family:var(--f-display);font-weight:800;color:var(--muted);padding-bottom:8px}
.rows{display:grid;gap:16px}
.row{display:grid;gap:8px}
.row .k{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);gap:8px}
.row .k span:last-child{font-family:var(--f-mono);font-size:12px}
.bars{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bar{position:relative;height:38px;border-radius:10px;background:rgba(255,255,255,.04);overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;width:0;border-radius:10px;transition:width .9s cubic-bezier(.2,.8,.2,1)}
.bar.a i{background:linear-gradient(90deg,rgba(159,212,230,.25),rgba(159,212,230,.55))}
.bar.b i{background:linear-gradient(90deg,rgba(184,71,93,.25),rgba(184,71,93,.6))}
.bar b{position:relative;display:flex;align-items:center;height:100%;padding-inline:12px;font-family:var(--f-mono);font-size:14px;font-variant-numeric:tabular-nums;gap:8px}
.bar.win b::after{content:"mejor";font-family:var(--f-body);font-size:11px;font-weight:600;color:#0b0f15;background:var(--good);border-radius:999px;padding:1px 8px}
@media (prefers-reduced-motion:reduce){.bar i{transition:none}}

/* Tarjetas */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;perspective:1100px;max-width:900px}
.card{position:relative;border:1px solid var(--line);border-radius:22px;padding:22px;background:linear-gradient(160deg,rgba(30,40,55,.92),rgba(15,20,28,.92));transform-style:preserve-3d;transition:transform .15s ease-out;overflow:hidden;min-width:0}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(300px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.10),transparent 60%);pointer-events:none}
.card .tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--glacier)}
.card h3{margin:6px 0 4px;transform:translateZ(30px)}
.card .price{font-family:var(--f-display);font-size:34px;font-weight:800;transform:translateZ(40px)}
.card .price small{font-size:14px;color:var(--muted);font-family:var(--f-body);font-weight:500}
.card ul{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:6px;font-size:14px;color:var(--muted)}
.card ul li::before{content:"— ";color:var(--line)}
.card .pros{margin-top:14px;font-size:14px}
.card .pros b{color:var(--good);font-weight:600}
.card .pros span{color:var(--burgundy);font-weight:600}

/* Perfiles */
.who{display:grid;gap:14px;max-width:760px}
.who div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.who p{color:var(--muted);font-size:15px}
.who strong{display:block;color:var(--fg);font-size:17px}
.who .pick-name{font-family:var(--f-display);font-weight:700;color:var(--glacier);white-space:nowrap}

details{border-bottom:1px solid var(--line);padding-block:16px;max-width:760px}
summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-family:var(--f-mono);color:var(--glacier)}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:10px;max-width:65ch}

footer{padding-block:48px 64px;border-top:1px solid var(--line);color:var(--muted);font-size:14px;display:grid;gap:12px}
footer ul{margin:0;padding-left:18px}
.legal a{color:var(--muted)}

.note{font-size:13px;color:var(--muted)}

@media (max-width:900px){
  #stage{opacity:.32}
  .glow{opacity:.6}
  .step.on{transform:none}
  .spacer{height:8vh}
  nav.top{display:none}
}
@media (max-width:520px){
  .pick{grid-template-columns:1fr}
  .vs{display:none}
  .bars{grid-template-columns:1fr}
  .who div{grid-template-columns:1fr}
}

/* Añadidos comunes */
.step{cursor:pointer}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;max-width:900px}
.related a{display:grid;gap:4px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel);text-decoration:none;color:var(--fg);transition:border-color .2s,transform .2s}
.related a:hover{border-color:var(--glacier);transform:translateY(-3px)}
.related a span{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--glacier)}
.related a b{font-family:var(--f-display);font-size:17px;line-height:1.2}
.warn{border:1px solid rgba(184,71,93,.45);background:rgba(184,71,93,.10);border-radius:14px;padding:14px 16px;font-size:15px;color:var(--fg);max-width:620px}
.updated{font-size:13px;color:var(--muted)}

/* Escaparate de fotos oficiales (sin alterar: el panel toma el color de fondo de cada imagen) */
#fotos{padding-block:clamp(48px,8vw,96px)}
.gtabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0}
.gtabs button{font:inherit;font-size:14px;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer}
.gtabs button[aria-selected="true"]{color:#0b0f15;background:var(--glacier);border-color:var(--glacier);font-weight:600}
.vit{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:center;max-width:880px;margin-top:24px}
.vitrina{position:relative;border-radius:26px;overflow:hidden;box-shadow:0 40px 90px -30px color-mix(in srgb,var(--glacier) 40%,transparent),0 0 0 1px rgba(255,255,255,.06);transition:transform .2s ease-out,background-color .4s;max-height:70vh}
.vitrina img{display:block;width:100%;height:100%;object-fit:contain;transition:opacity .35s ease}
.vitrina img.out{opacity:0}
.vitrina::after{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,30%),rgba(255,255,255,.28),transparent 60%);pointer-events:none;mix-blend-mode:soft-light}
.credit{font-size:12px;color:var(--muted);margin-top:10px}
.cols{display:grid;gap:10px}
.colbtn{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--fg);font:inherit;font-size:15px;text-align:left;cursor:pointer;transition:border-color .2s,transform .2s}
.colbtn:hover{transform:translateX(4px)}
.colbtn[aria-pressed="true"]{border-color:var(--glacier)}
.colbtn i{width:24px;height:24px;border-radius:50%;box-shadow:inset 0 0 0 2px rgba(255,255,255,.14);flex:none}
@media (max-width:760px){.vit{grid-template-columns:1fr}.cols{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}