/* KeyStage — estilos propios de la página de producto */
.ks{--accent:var(--ks2)}
.ks ::selection{background:var(--ks);color:#fff}
.ks .mono{background:linear-gradient(145deg,#e2302d,#a8141c);color:#fff;border-color:rgba(255,255,255,.2)}
.ks .lang{background:none;border:1px solid var(--line2);border-radius:999px;padding:9px 13px;font:600 12.5px var(--mono);cursor:pointer;color:var(--ink2);margin-right:8px}
.ks .nav .wrap>div{display:flex;align-items:center;margin-left:auto;margin-right:8px}@media (min-width:901px){.ks .nav .wrap>div{margin-left:0;margin-right:0}}

.ks-hero{position:relative;min-height:100svh;padding:130px 0 80px;overflow:hidden;isolation:isolate;display:flex;align-items:center}
.ks-hero::before{content:"";position:absolute;z-index:-2;inset:-20% -10% auto;height:120%;background:radial-gradient(50% 45% at 70% 35%,rgba(227,38,45,.35),transparent 70%),radial-gradient(40% 40% at 15% 80%,rgba(227,38,45,.12),transparent 70%)}
.ks-hero::after{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(70% 60% at 60% 40%,#000,transparent);mask-image:radial-gradient(70% 60% at 60% 40%,#000,transparent)}
.ks-hero .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,70px);align-items:center;width:100%}
.ks-hero .appic{width:clamp(76px,8vw,104px);border-radius:24%;box-shadow:0 24px 70px -12px rgba(227,38,45,.8),0 0 0 1px rgba(255,255,255,.12)}
.ks-hero h1{font-size:clamp(60px,9.5vw,140px);margin:26px 0 14px}
.ks-hero .tag{font:400 clamp(24px,2.6vw,36px)/1.15 var(--serif);letter-spacing:-.01em;margin:0 0 18px;color:var(--ink)}
.ks-hero .tag em{color:var(--ks2)}
.ks-hero p.lead{margin:0 0 30px}
.ks-hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.store{display:inline-flex;align-items:center;gap:12px;padding:11px 20px 11px 16px;border-radius:14px;background:#000;border:1px solid var(--line2);text-decoration:none;line-height:1.1}
.store svg{width:26px;height:26px}
.store small{display:block;font-size:11px;color:var(--mute)}
.store b{font-size:17px;font-weight:600}
.facts{display:flex;flex-wrap:wrap;gap:8px}

.stage{position:relative;height:clamp(340px,44vw,620px)}
.stage .ipad{position:absolute;right:0;top:4%;width:94%;transform:perspective(1800px) rotateY(-16deg) rotateX(7deg) rotateZ(1deg);transform-origin:70% 50%;animation:float 9s ease-in-out infinite}
.stage .iphone{position:absolute;left:-2%;bottom:-2%;width:24%;transform:perspective(1200px) rotateY(12deg) rotateZ(-4deg);animation:float 7s ease-in-out -2s infinite}
@keyframes float{50%{translate:0 -12px}}
.stage .halo{position:absolute;inset:20% 10% 0 25%;background:radial-gradient(closest-side,rgba(227,38,45,.45),transparent);filter:blur(30px);z-index:-1}
@media (max-width:980px){.ks-hero .wrap{grid-template-columns:1fr}.ks-hero{padding-top:110px}.stage{height:clamp(300px,70vw,560px)}}

/* teclados compatibles */
.compat-strip{border-block:1px solid var(--line);background:var(--bg2);padding:22px 0;overflow:hidden}
.compat-strip .track{display:flex;width:max-content;animation:mq 50s linear infinite}
.compat-strip span{font:500 clamp(15px,1.4vw,18px) var(--mono);letter-spacing:.08em;color:var(--mute);padding:0 26px;white-space:nowrap;text-transform:uppercase}
.compat-strip span b{color:var(--ink);font-weight:600}
.compat-strip i{color:var(--ks);font-style:normal}

/* recorrido con pantalla fija */
.tour{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(30px,5vw,80px);align-items:start}
.tour .sticky{position:sticky;top:max(90px,calc(50vh - 22vw));}
.tour .ipad .scr img{opacity:0;transform:scale(1.03);transition:opacity .8s var(--ease),transform 1.2s var(--ease)}
.tour .ipad .scr img.on{opacity:1;transform:none}
.tour-step{min-height:70vh;display:flex;flex-direction:column;justify-content:center;opacity:.28;transition:opacity .6s}
.tour-step.on{opacity:1}
.tour-step .n{font:500 13px var(--mono);color:var(--ks2);letter-spacing:.1em}
.tour-step h3{font:400 clamp(34px,3.6vw,52px)/1.05 var(--serif);letter-spacing:-.02em;margin:14px 0 16px}
.tour-step p{color:var(--ink2);margin:0 0 14px}
.tour-step ul{margin:6px 0 0;padding:0;list-style:none;color:var(--mute);font-size:15.5px}
.tour-step li{padding:7px 0 7px 22px;position:relative;border-top:1px solid var(--line)}
.tour-step li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;border-radius:2px;background:var(--ks)}
.tour-step .mshot{display:none}
@media (max-width:900px){
  .tour{grid-template-columns:1fr}.tour .sticky{display:none}
  .tour-step{min-height:0;opacity:1;padding:28px 0 46px}
  .tour-step .mshot{display:block;margin-top:24px}
}

/* rejilla de funciones */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cell{position:relative;grid-column:span 2;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(180deg,var(--bg3),var(--bg2));padding:28px;overflow:hidden;min-height:250px;display:flex;flex-direction:column;justify-content:flex-end;transition:border-color .4s,transform .6s var(--ease)}
.cell:hover{border-color:rgba(227,38,45,.4);transform:translateY(-4px)}
.cell.w3{grid-column:span 3}.cell.w4{grid-column:span 4}
.cell .ico{position:absolute;top:26px;left:28px;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(227,38,45,.12);color:var(--ks2)}
.cell .ico svg{width:24px;height:24px}
.cell h3{font:600 20px/1.25 var(--sans);margin:0 0 8px}
.cell p{margin:0;color:var(--mute);font-size:15px}
.cell.phone{flex-direction:row;align-items:center;gap:28px;justify-content:space-between}
.cell.phone .iphone{width:150px;flex:none;margin:-10px 0 -90px}
.cell.phone>div:first-child{align-self:flex-end}
.pedal{display:flex;gap:10px;margin-bottom:auto;padding-top:64px}
.pedal span{flex:1;height:54px;border-radius:12px;background:linear-gradient(#2a2a2e,#151517);border:1px solid var(--line2);display:grid;place-items:center;color:var(--mute);font:600 18px var(--mono);transition:all .3s}
.cell:hover .pedal span:last-child{background:linear-gradient(#ff4b45,var(--ks));color:#fff;box-shadow:0 0 30px rgba(227,38,45,.5)}
.chain{display:flex;align-items:center;gap:8px;margin:62px 0 auto;flex-wrap:wrap}
.chain span{font:500 12px var(--mono);padding:8px 11px;border-radius:9px;border:1px solid var(--line2);color:var(--ink2);background:rgba(255,255,255,.03)}
.chain span.k{border-color:rgba(227,38,45,.5);color:#fff;background:rgba(227,38,45,.18)}
.chain i{width:16px;height:1px;background:var(--ks);position:relative}
.chain i::after{content:"";position:absolute;right:0;top:-3px;border:3.5px solid transparent;border-left-color:var(--ks);border-right:0}
.themes{display:flex;gap:8px;margin:64px 0 auto}
.themes i{width:28px;height:28px;border-radius:8px;border:1px solid rgba(255,255,255,.15)}
@media (max-width:980px){.bento{grid-template-columns:repeat(2,1fr)}.cell,.cell.w3,.cell.w4{grid-column:span 1}.cell.phone{grid-column:span 2}}
@media (max-width:620px){.bento{grid-template-columns:1fr}.cell.phone{grid-column:span 1;flex-direction:column;align-items:flex-start}.cell.phone .iphone{margin:10px auto -120px;width:170px}}

/* pasos */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:h}
.how div{counter-increment:h;padding:30px 28px;border-radius:var(--r);border:1px solid var(--line);position:relative;overflow:hidden}
.how div::before{content:counter(h);position:absolute;right:18px;top:-18px;font:400 140px/1 var(--serif);color:rgba(227,38,45,.12)}
.how h3{font:600 20px var(--sans);margin:0 0 8px;position:relative}
.how p{margin:0;color:var(--mute);font-size:15.5px;position:relative}
@media (max-width:820px){.how{grid-template-columns:1fr}}

/* compatibilidad */
.ctable{width:100%;border-collapse:collapse;font-size:15.5px}
.ctable th,.ctable td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.ctable th{font:500 12px var(--mono);letter-spacing:.1em;color:var(--dim);text-transform:uppercase}
.ctable td:first-child{font-weight:600;white-space:nowrap}
.ctable td:nth-child(2){color:var(--mute)}
.ok{display:inline-flex;align-items:center;gap:8px;font:500 12px var(--mono);white-space:nowrap}
.ok::before{content:"";width:8px;height:8px;border-radius:50%;background:#7ee2a1;box-shadow:0 0 10px #7ee2a1}
.ok.t::before{background:var(--gold);box-shadow:0 0 10px var(--gold)}
@media (max-width:700px){.ctable td:nth-child(2),.ctable th:nth-child(2){display:none}.ctable td:first-child{white-space:normal}}
.note{font-size:13.5px;color:var(--dim);margin-top:18px}

/* iPhone */
.phones{display:grid;grid-template-columns:1fr auto auto;gap:clamp(20px,4vw,50px);align-items:center}
.phones .iphone{width:clamp(200px,22vw,300px)}
.phones .iphone:last-child{margin-top:90px}
@media (max-width:820px){.phones{grid-template-columns:1fr 1fr}.phones>div:first-child{grid-column:1/-1}.phones .iphone{width:100%}.phones .iphone:last-child{margin-top:50px}}

/* sync Mac */
.sync{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center;border:1px solid var(--line);border-radius:32px;padding:clamp(28px,5vw,64px);background:radial-gradient(80% 100% at 0% 100%,rgba(227,38,45,.14),transparent 60%),var(--bg2)}
.flow{display:grid;gap:12px}
.flow div{display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:16px;border:1px solid var(--line2);background:rgba(0,0,0,.25)}
.flow div b{font-weight:600;display:block}
.flow div span{font-size:14px;color:var(--mute)}
.flow svg{width:30px;height:30px;flex:none;color:var(--ks2)}
.flow .ar{justify-content:center;border:0;background:none;padding:0;color:var(--ks)}
@media (max-width:820px){.sync{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:24px 40px 24px 0;font:500 clamp(18px,1.6vw,21px)/1.35 var(--sans);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:1.6px solid var(--ks2);border-bottom:1.6px solid var(--ks2);transform:translateY(-70%) rotate(45deg);transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{margin:0 0 24px;color:var(--ink2);max-width:70ch}

.supp{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.supp a{padding:26px;border-radius:var(--r);border:1px solid var(--line);text-decoration:none;transition:border-color .4s,background .4s}
.supp a:hover{border-color:rgba(227,38,45,.45);background:rgba(227,38,45,.05)}
.supp small{font:500 12px var(--mono);color:var(--ks2)}
.supp b{display:block;font-size:19px;margin:10px 0 6px}
.supp span{color:var(--mute);font-size:15px}
@media (max-width:820px){.supp{grid-template-columns:1fr}}

.final{text-align:center;padding:clamp(100px,14vw,180px) 0;position:relative;overflow:hidden}
.final::before{content:"";position:absolute;inset:auto -20% -60%;height:120%;background:radial-gradient(closest-side,rgba(227,38,45,.35),transparent);z-index:-1}
.final img{width:110px;margin:0 auto 30px;border-radius:24%;box-shadow:0 30px 80px -10px rgba(227,38,45,.8)}
.final h2{font-size:clamp(46px,7vw,100px);margin:0 0 20px}
.final p{margin:0 auto 34px;color:var(--ink2);max-width:52ch}

/* páginas de texto (privacidad) */
.doc{max-width:760px;margin:0 auto;padding:140px var(--gut) 100px}
.doc h1{font-size:clamp(40px,6vw,72px);margin:20px 0 10px}
.doc h2{font:600 21px var(--sans);margin:44px 0 10px}
.doc p,.doc li{color:var(--ink2)}
.doc .muted{font-size:14px}