:root{
  --bg:#F2F4F6; --ink:#101820; --line:#C9D0D6; --hot:#FF5A1F; --cold:#2F8CE0; --ice:#CFE9FF;
  --c:"Barlow Condensed","Arial Narrow",Impact,sans-serif; --s:Barlow,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:400 1.05rem/1.55 var(--s)}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
h1,h2,h3,.brand,.big,.now{font-family:var(--c);font-weight:800;text-transform:uppercase}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.wrap{max-width:1200px;margin:0 auto}

.bar{display:flex;justify-content:space-between;align-items:center;padding:.9rem clamp(1rem,4vw,3rem);background:var(--bg);border-bottom:1px solid var(--ink);position:sticky;top:0;z-index:10}
.brand{font-size:1.7rem;letter-spacing:.06em;text-decoration:none}
.brand sup{color:var(--hot)}
.bar nav{display:flex;gap:2rem;font-weight:500}
.bar nav a{text-decoration:none}.bar nav a:hover{text-decoration:underline;text-underline-offset:6px}

/* hero partido */
.hero{position:relative;height:calc(100vh - 62px);min-height:620px;overflow:hidden}
.layer{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:0 clamp(1rem,5vw,5rem)}
.hot{background:linear-gradient(160deg,#FF5A1F,#FF9A3C);color:#2B0D03}
.cold{background:linear-gradient(160deg,#BFE3FF,#6DB6F5);color:#06243F;
  clip-path:polygon(calc(var(--x)*1% + 6%) 0,100% 0,100% 100%,calc(var(--x)*1% - 6%) 100%)}
.cold .txt{grid-column:2;text-align:right;justify-self:end}
.txt{max-width:420px;position:relative;z-index:2}
.k{font:600 .85rem var(--c);letter-spacing:.3em;text-transform:uppercase}
.txt h1{font-size:clamp(4.2rem,12vw,10rem);line-height:.85;letter-spacing:-.01em;margin-top:.4rem}
.big{font-size:clamp(2.6rem,6vw,4.6rem);line-height:1;margin-top:.6rem}
.s{margin-top:.8rem;max-width:30ch}.cold .s{margin-left:auto}
.tumb-wrap{position:absolute;left:50%;bottom:0;transform:translateX(-50%);height:82%;z-index:1;pointer-events:none}
.tumb-wrap svg{height:100%;width:auto;display:block;filter:drop-shadow(0 20px 30px rgba(0,0,0,.25));overflow:visible}
.steam path{fill:none;stroke:#fff;stroke-width:4;stroke-linecap:round;opacity:0;animation:steam 3s ease-in infinite}
.steam path:nth-child(2){animation-delay:1s}.steam path:nth-child(3){animation-delay:2s}
@keyframes steam{0%{opacity:0;transform:translateY(8px)}30%{opacity:.8}100%{opacity:0;transform:translateY(-34px)}}
.flake{fill:#fff;opacity:.9;animation:fall 4s linear infinite}
@keyframes fall{from{transform:translateY(-30px)}to{transform:translateY(40px);opacity:0}}
.divider{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none}
.divider line{stroke:#fff;stroke-width:3;vector-effect:non-scaling-stroke}
.slider{position:absolute;left:50%;bottom:1.6rem;transform:translateX(-50%);width:min(520px,80%);z-index:5}
.slider input{width:100%;appearance:none;height:6px;background:rgba(255,255,255,.7);border-radius:3px;cursor:ew-resize}
.slider input::-webkit-slider-thumb{appearance:none;width:34px;height:34px;border-radius:50%;background:var(--ink);border:4px solid #fff;cursor:ew-resize}
.slider input::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:var(--ink);border:4px solid #fff;cursor:ew-resize}

section{padding:5rem clamp(1rem,4vw,3rem)}
.k2{font:600 .9rem var(--c);letter-spacing:.3em;text-transform:uppercase;color:#5B6770;border-top:1px solid var(--ink);padding-top:.8rem;margin-bottom:1.2rem}
h2{font-size:clamp(2.8rem,8vw,6rem);line-height:.9;margin-bottom:2.6rem}

/* simulador */
.sim{background:#fff}
.sim-grid{display:grid;grid-template-columns:.8fr 1.4fr;gap:3rem;align-items:start}
fieldset{border:0;border-top:1px solid var(--line);padding:1rem 0 1.4rem}
legend{font:600 1rem var(--c);letter-spacing:.2em;text-transform:uppercase;display:flex;gap:1rem;width:100%;padding-right:0}
output{margin-left:auto;font-family:var(--c)}
.seg{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.6rem}
.seg button{font:600 1rem var(--c);letter-spacing:.08em;text-transform:uppercase;background:none;border:1px solid var(--ink);padding:.45rem 1rem;cursor:pointer;color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
input[type=range]{width:100%;accent-color:var(--ink);height:26px}
.now{font-size:clamp(5rem,13vw,9rem);line-height:.8;display:flex;align-items:flex-start}
.now span{font-size:2.6rem;margin-top:.3rem}
.status{font:800 1.8rem var(--c);text-transform:uppercase;margin:.8rem 0 1rem}
#chart{width:100%;height:auto;display:block;border:1px solid var(--line)}
.legend{font-size:.9rem;margin-top:.6rem;display:flex;gap:.5rem;align-items:center}
.legend i{display:inline-block;width:26px;height:0;border-top:4px solid}
.l1{border-color:var(--acc,var(--hot))}.l2{border-top:3px dashed #8A949C!important;margin-left:1rem}
.sentence{margin-top:1rem;font-size:1.15rem;max-width:56ch}

/* modelos */
.cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.card{padding:1.6rem 1.6rem 1.8rem;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:.6rem;position:relative}
.card:last-child{border-right:0}
.card .pic{height:290px;display:flex;align-items:flex-end;justify-content:center;background:linear-gradient(#fff,#E7EBEE);margin-bottom:.5rem}
.card .pic svg{width:auto;display:block}
.card h3{font-size:2.4rem;line-height:1}
.sw{display:flex;gap:.55rem}
.sw button{width:30px;height:30px;border-radius:50%;border:2px solid #fff;outline:1px solid var(--ink);cursor:pointer}
.sw button[aria-pressed="true"]{outline:3px solid var(--ink)}
dl{margin:.6rem 0}
dl div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:.35rem 0}
dt{color:#5B6770}dd{font-weight:500}
.price{font:800 2rem var(--c)}
.cmp{display:flex;gap:.6rem;align-items:center;font-weight:500;cursor:pointer}
.cmp input{width:20px;height:20px;accent-color:var(--hot)}

.tray{position:fixed;left:0;right:0;bottom:0;background:var(--ink);color:#fff;padding:1.2rem clamp(1rem,4vw,3rem);z-index:20;max-height:60vh;overflow:auto;animation:up .3s}
@keyframes up{from{transform:translateY(100%)}}
.tray table{width:100%;max-width:900px;border-collapse:collapse;font-size:.95rem}
.tray th,.tray td{text-align:left;padding:.35rem .8rem .35rem 0;border-bottom:1px solid #3A444D}
.tray th{font:600 1rem var(--c);letter-spacing:.1em;text-transform:uppercase;color:var(--ice)}
.tray .x{float:right;background:none;border:1px solid #fff;color:#fff;font:inherit;padding:.2rem .8rem;cursor:pointer}

.avisos{background:var(--hot);color:#2B0D03}
.avisos h2{max-width:11ch}
form{display:flex;flex-wrap:wrap;gap:.8rem;max-width:560px}
form input{flex:1;min-width:200px;font:inherit;padding:.9rem 1rem;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:0}
form input[aria-invalid="true"]{border-color:#7A0000;background:#FFE5E0}
form button{font:800 1.2rem var(--c);letter-spacing:.1em;text-transform:uppercase;background:var(--ink);color:#fff;border:0;padding:.9rem 1.8rem;cursor:pointer}
form button:hover{background:#fff;color:var(--ink)}
#msg{width:100%;font-weight:500;min-height:1.6em}
footer{padding:1.5rem clamp(1rem,4vw,3rem);border-top:1px solid var(--ink);font-size:.92rem}

@media(max-width:820px){
  .bar nav{display:none}
  .layer{grid-template-columns:1fr;align-items:start;padding-top:2rem}
  .cold .txt{grid-column:1;justify-self:end}
  .tumb-wrap{height:52%}
  .hero{min-height:700px}
  .s{display:none}
  .sim-grid,.cards{grid-template-columns:1fr}
  .card{border-right:0;border-bottom:1px solid var(--line)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.steam path,.flake,.tray{animation:none}.steam path{opacity:.6}
}