:root{
  --ice:#e9f6fb;
  --ice2:#d2ecf6;
  --navy:#0a2a3f;
  --navy2:#123e59;
  --lime:#c8f23a;
  --red:#ff4a3d;
  --glass:rgba(255,255,255,.55);
  --disp:'Big Shoulders Display','Arial Narrow',Impact,sans-serif;
  --sans:'Instrument Sans',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{background:var(--ice);color:var(--navy);font-family:var(--sans);font-size:17px;line-height:1.55}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
::selection{background:var(--lime)}

.tag{display:inline-block;font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--navy2);margin-bottom:16px;padding-left:34px;position:relative}
.tag::before{content:"";position:absolute;left:0;top:50%;width:24px;height:2px;background:currentColor}
.dark .tag{color:var(--lime)}
.btn{display:inline-block;background:var(--navy);color:var(--ice);border:2px solid var(--navy);padding:14px 30px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:14px;transition:.2s;text-align:center;margin:0 10px 10px 0}
.btn:hover{background:var(--lime);color:var(--navy)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:var(--ice)}
.btn.full{display:block;width:100%;margin:0}
.btn.disabled{opacity:.35;pointer-events:none}
.dark .btn{background:var(--lime);color:var(--navy);border-color:var(--lime)}

/* Barra superior */
.top{position:fixed;inset:0 0 auto 0;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:16px 4vw;background:linear-gradient(var(--ice) 60%,transparent)}
.brand{font-family:var(--disp);font-weight:900;font-size:32px;letter-spacing:.04em;display:flex;align-items:center;gap:6px;line-height:1}
.brand i{width:34px;height:10px;background:repeating-linear-gradient(90deg,var(--navy) 0 4px,transparent 4px 7px);display:block;border-radius:2px}
.top nav{display:flex;gap:30px;font-weight:500;font-size:15px}
.top nav a{position:relative;padding:4px 0}
.top nav a::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--lime);transition:width .25s}
.top nav a:hover::after{width:100%}
.cartbtn{background:var(--navy);color:var(--ice);border:0;padding:9px 20px;font-weight:600;font-size:14px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.cartbtn b{display:inline-block;background:var(--lime);color:var(--navy);min-width:24px;margin-left:8px;text-align:center}
.cartbtn.bump{animation:bump .35s}
@keyframes bump{50%{transform:scale(1.12)}}

/* Hero */
.hero{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;min-height:100vh;padding:120px 4vw 70px;overflow:hidden}
.frost{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 80% 30%,rgba(255,255,255,.9),transparent 40%),radial-gradient(circle at 10% 90%,var(--ice2),transparent 40%)}
.hero>*{position:relative;z-index:1}.hero .frost{z-index:0}
h1{font-family:var(--disp);font-weight:900;font-size:clamp(70px,11vw,190px);line-height:.84;text-transform:uppercase;letter-spacing:-.005em;margin-bottom:26px}
h1 span{color:transparent;-webkit-text-stroke:3px var(--navy)}
.lead{max-width:44ch;font-size:20px;margin-bottom:30px}
.hero-demo{display:grid;justify-items:center;gap:20px}
.demo-bag{width:min(360px,80%);filter:drop-shadow(0 26px 24px rgba(10,42,63,.22))}
.demo-bag svg{display:block;width:100%;height:auto;overflow:visible}
.slide{width:min(420px,92%);background:var(--navy);color:var(--ice);padding:14px 20px 16px;display:grid;gap:6px}
.slide label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--lime)}
.slide output{font-size:14px;font-weight:500}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent}
input[type=range]::-webkit-slider-runnable-track{height:8px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 3px,transparent 3px 7px);border-radius:2px}
input[type=range]::-moz-range-track{height:8px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 3px,transparent 3px 7px)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:30px;height:30px;margin-top:-11px;background:var(--red);border:3px solid var(--ice);border-radius:6px;box-shadow:0 3px 8px rgba(0,0,0,.3);cursor:grab}
input[type=range]::-moz-range-thumb{width:24px;height:24px;background:var(--red);border:3px solid var(--ice);border-radius:6px;cursor:grab}
input[type=range]:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.seal{position:absolute;right:2%;top:12%;font-family:var(--disp);font-weight:900;font-size:clamp(34px,5vw,70px);background:var(--lime);color:var(--navy);padding:4px 18px;transform:rotate(8deg) scale(0);transition:transform .5s cubic-bezier(.3,1.7,.5,1);border:3px solid var(--navy);z-index:5}
.seal.on{transform:rotate(8deg) scale(1)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--navy);color:var(--ice)}
.stats div{padding:34px 4vw;border-right:1px solid rgba(255,255,255,.18)}
.stats div:last-child{border:0}
.stats b{display:block;font-family:var(--disp);font-weight:900;font-size:clamp(44px,5vw,76px);line-height:1;color:var(--lime)}
.stats span{font-size:14px;opacity:.8}

/* Secciones */
.sec{padding:120px 4vw 0;max-width:1500px;margin:0 auto}
.sec.dark{max-width:none;background:var(--navy);color:var(--ice);margin-top:120px;padding:110px 4vw 120px}
.sec.dark>*{max-width:1400px;margin-left:auto;margin-right:auto}
.head{margin-bottom:44px;max-width:900px}
h2{font-family:var(--disp);font-weight:900;font-size:clamp(52px,7.5vw,120px);line-height:.88;text-transform:uppercase}
.sub{margin-top:18px;max-width:54ch;font-size:19px;opacity:.9}

.tabs{display:flex;gap:0;margin-bottom:34px;border:2px solid var(--navy);width:max-content;max-width:100%;flex-wrap:wrap}
.tab{background:transparent;border:0;border-right:2px solid var(--navy);padding:10px 24px;font-weight:600;text-transform:uppercase;font-size:14px;letter-spacing:.06em}
.tab:last-child{border:0}
.tab:hover{background:var(--ice2)}
.tab[aria-selected="true"]{background:var(--navy);color:var(--ice)}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--navy);border-left:2px solid var(--navy)}
.card{border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);padding:20px;display:flex;flex-direction:column;gap:6px;background:var(--ice);transition:background .25s;position:relative}
.card.hide{display:none}
.card:hover{background:#fff}
.c-art{height:230px;display:grid;place-items:center;background:linear-gradient(160deg,var(--ice2),#fff);margin:-20px -20px 8px;border-bottom:2px solid var(--navy);overflow:hidden}
.c-art svg{height:88%;width:auto;transition:transform .4s cubic-bezier(.3,1.5,.5,1)}
.card:hover .c-art svg{transform:translateY(-6px) rotate(-2deg)}
.card .no{font-family:var(--disp);font-weight:700;font-size:15px;letter-spacing:.14em;color:var(--navy2)}
.card h3{font-family:var(--disp);font-weight:900;font-size:36px;line-height:.95;text-transform:uppercase}
.card p{font-size:14.5px;line-height:1.4;min-height:42px}
.specs{display:flex;gap:6px;flex-wrap:wrap;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.specs span{background:var(--ice2);padding:2px 8px}
.card .row{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px}
.card .pr{font-family:var(--disp);font-weight:900;font-size:34px}
.card .add{background:var(--navy);color:var(--ice);border:0;padding:10px 18px;font-weight:600;text-transform:uppercase;font-size:13px;letter-spacing:.06em;transition:.2s}
.card .add:hover{background:var(--lime);color:var(--navy)}

/* Plan */
.plan{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
fieldset{border:0;padding:0 0 24px;margin-bottom:8px;border-bottom:1px solid rgba(255,255,255,.22)}
legend{font-family:var(--disp);font-weight:700;font-size:26px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:12px;display:flex;justify-content:space-between;width:100%}
legend b{color:var(--lime);font-weight:900;font-size:34px;line-height:1}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{background:transparent;border:2px solid var(--ice);color:var(--ice);padding:8px 18px;font-weight:600;font-size:15px;transition:.15s}
.opt:hover{background:rgba(255,255,255,.12)}
.opt[aria-checked="true"]{background:var(--lime);color:var(--navy);border-color:var(--lime)}
.dark input[type=range]::-webkit-slider-thumb{background:var(--lime);border-color:var(--navy)}
.dark input[type=range]::-moz-range-thumb{background:var(--lime);border-color:var(--navy)}
.plan-out{background:var(--ice);color:var(--navy);padding:34px;position:sticky;top:96px}
.plan-out .big{font-family:var(--disp);font-weight:900;font-size:clamp(64px,8vw,130px);line-height:.85;text-transform:uppercase}
.plan-out .big small{display:block;font-size:.32em;letter-spacing:.06em;color:var(--navy2);margin-bottom:6px}
.plan-out p{margin:12px 0 18px}
.pstats{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--navy);margin-bottom:20px}
.pstats div{padding:10px 12px;border-right:2px solid var(--navy);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.pstats div:last-child{border:0}
.pstats b{display:block;font-family:var(--disp);font-weight:900;font-size:34px;line-height:1;text-transform:none;margin-top:2px}
.plan-out .btn{background:var(--navy);color:var(--ice);border-color:var(--navy);margin:0}
.plan-out .btn:hover{background:var(--lime);color:var(--navy)}
.pack-line{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed rgba(10,42,63,.4);font-weight:500}

/* Conservación */
.bars{display:grid;gap:10px;max-width:1100px}
.bar-row{display:grid;grid-template-columns:150px 1fr 120px;gap:18px;align-items:center}
.bar-row span{font-family:var(--disp);font-weight:700;font-size:26px;text-transform:uppercase;letter-spacing:.03em}
.track{height:28px;background:var(--ice2);position:relative;overflow:hidden}
.fill-a,.fill-b{position:absolute;left:0;height:100%;transition:width .8s cubic-bezier(.2,.8,.2,1)}
.fill-a{background:repeating-linear-gradient(90deg,#9db9c7 0 6px,transparent 6px 9px);z-index:1;height:50%;top:0}
.fill-b{background:var(--navy);height:50%;bottom:0}
.bar-row em{font-style:normal;font-weight:600;font-size:15px;text-align:right}
.bar-row em b{color:#2b8a4a;font-family:var(--disp);font-size:24px}
.legend{display:flex;gap:24px;font-size:13px;font-weight:600;margin:14px 0 0;text-transform:uppercase;letter-spacing:.06em}
.legend i{display:inline-block;width:18px;height:10px;margin-right:6px;background:var(--navy)}
.legend i.a{background:repeating-linear-gradient(90deg,#9db9c7 0 6px,transparent 6px 9px)}
.toggle{display:flex;gap:0;margin-top:24px;border:2px solid var(--navy);width:max-content}
.toggle button{background:transparent;border:0;border-right:2px solid var(--navy);padding:10px 24px;font-weight:600;text-transform:uppercase;font-size:14px}
.toggle button:last-child{border:0}
.toggle button[aria-checked="true"]{background:var(--navy);color:var(--ice)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px}
.acc details{border-bottom:2px solid var(--navy)}
.acc details:first-child{border-top:2px solid var(--navy)}
.acc summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:18px 0;font-family:var(--disp);font-weight:700;font-size:30px;text-transform:uppercase;letter-spacing:.02em;line-height:1}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"";width:22px;height:22px;background:linear-gradient(var(--navy),var(--navy)) center/100% 3px no-repeat,linear-gradient(var(--navy),var(--navy)) center/3px 100% no-repeat;transition:transform .3s;flex:none}
.acc details[open] summary::after{transform:rotate(45deg)}
.acc p{padding:0 40px 20px 0;animation:fd .4s}
@keyframes fd{from{opacity:0;transform:translateY(-6px)}}

.contact{max-width:none;margin-top:120px;padding:90px 4vw;background:var(--lime)}
.contact-in{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1300px;margin:0 auto}
.info{list-style:none;display:grid;gap:14px;margin-top:26px;font-family:var(--disp);font-weight:700;font-size:34px;line-height:1;text-transform:uppercase}
.info small{display:block;font-family:var(--sans);font-weight:600;font-size:12px;letter-spacing:.14em}
#form{display:grid;gap:16px;align-content:start}
label{display:grid;gap:6px;font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.06em}
input[type=text],textarea{background:#fff;border:2px solid var(--navy);padding:12px 14px;font-size:17px;outline:none;resize:none;width:100%;text-transform:none;letter-spacing:0;font-weight:400}
input[type=text]:focus,textarea:focus{box-shadow:4px 4px 0 var(--navy)}
#form .error{border-color:var(--red)}
.msg{min-height:22px;font-weight:600}

footer{background:var(--navy);color:var(--ice);padding:50px 4vw 24px;overflow:hidden}
.foot-big{font-family:var(--disp);font-weight:900;font-size:clamp(110px,27vw,460px);line-height:.8;color:transparent;-webkit-text-stroke:2px var(--lime);margin-bottom:26px}
.foot-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;font-size:14px;opacity:.85}

/* Cajón */
.veil{position:fixed;inset:0;background:rgba(10,42,63,.55);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .3s;z-index:80}
.veil.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(460px,100vw);background:var(--ice);z-index:90;transform:translateX(104%);transition:transform .45s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;border-left:3px solid var(--navy)}
.drawer.on{transform:none}
.dr-head{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:2px solid var(--navy)}
.dr-head h3{font-family:var(--disp);font-weight:900;font-size:42px;text-transform:uppercase;line-height:1}
.dr-head button{background:none;border:2px solid var(--navy);width:40px;height:40px;font-size:18px}
.dr-head button:hover{background:var(--lime)}
.dr-body{flex:1;overflow:auto;padding:6px 24px}
.d-item{display:grid;grid-template-columns:70px 1fr auto;gap:2px 14px;padding:14px 0;border-bottom:1px dashed rgba(10,42,63,.4);align-items:center}
.d-th{grid-row:1/4;width:70px;height:84px;background:var(--ice2);display:grid;place-items:center;overflow:hidden}
.d-th svg{height:90%;width:auto}
.d-item h4{font-family:var(--disp);font-weight:900;font-size:24px;text-transform:uppercase;line-height:1}
.d-item .pr{font-family:var(--disp);font-weight:900;font-size:24px}
.d-item small{font-size:12px;opacity:.75;grid-column:2/4}
.qty{display:inline-flex;align-items:center;gap:10px;grid-column:2;font-weight:600}
.qty button{width:28px;height:28px;border:2px solid var(--navy);background:transparent;font-weight:700;line-height:1}
.qty button:hover{background:var(--lime)}
.empty{padding:40px 0;text-align:center;opacity:.7}
.dr-foot{padding:16px 24px 22px;border-top:2px solid var(--navy);background:#fff}
.ship-bar{height:8px;background:var(--ice2);overflow:hidden}
.ship-bar i{display:block;height:100%;width:0;background:var(--navy);transition:width .5s}
.ship p{font-size:13px;margin:6px 0 12px;font-weight:500}
.line{display:flex;justify-content:space-between;padding:3px 0;font-weight:500}
.line.tot{font-family:var(--disp);font-weight:900;font-size:36px;text-transform:uppercase;margin:6px 0 12px;line-height:1}
.clear{display:block;margin:12px auto 0;background:none;border:0;text-decoration:underline;font-weight:600;font-size:14px}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,140px);background:var(--navy);color:var(--ice);padding:12px 26px;font-weight:600;z-index:100;transition:transform .35s cubic-bezier(.3,1.5,.5,1);border-left:6px solid var(--lime);white-space:nowrap}
.toast.show{transform:translate(-50%,0)}

.rv{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}

@media(max-width:1100px){
  .top nav{display:none}
  .hero{grid-template-columns:1fr;min-height:0}
  .grid{grid-template-columns:repeat(2,1fr)}
  .plan,.faq-grid,.contact-in{grid-template-columns:1fr}
  .plan-out{position:static}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div:nth-child(2){border-right:0}
}
@media(max-width:620px){
  .grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:1fr auto;gap:4px 10px}
  .bar-row .track{grid-column:1/3;grid-row:2}
  .info{font-size:26px}
  .pstats b{font-size:26px}
  h1 span{-webkit-text-stroke-width:2px}
  .seal{right:0;top:4%}
}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}