/* Ronto Baterías · estilos
   Tokens del design system Ronto (versión Sobria, solo modo oscuro). */
/* Fuentes alojadas en el propio sitio (sin peticiones a terceros) */
@font-face{font-family:"Roundo";font-weight:700;font-style:normal;font-display:swap;src:url("../fonts/Roundo-Bold.woff2") format("woff2")}
@font-face{font-family:"Roundo";font-weight:600;font-style:normal;font-display:swap;src:url("../fonts/Roundo-SemiBold.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:400;font-style:normal;font-display:swap;src:url("../fonts/inter-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:500;font-style:normal;font-display:swap;src:url("../fonts/inter-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:600;font-style:normal;font-display:swap;src:url("../fonts/inter-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:700;font-style:normal;font-display:swap;src:url("../fonts/inter-latin-700-normal.woff2") format("woff2")}

/* Layout: web de una columna, secciones a ancho completo con contenedor de 1160px; misma piel que ronto-web (Sobria, solo oscuro). */
:root{color-scheme:dark;
 --bg:#000000;--surface:#0D100F;--raised:#171C1A;--overlay:#1C2220;--field:#0A0D0C;
 --line:#1E2421;--line2:#2F3834;
 --t1:#F2F5F3;--t2:#8D9892;--t3:#5E6964;--on:#03170C;
 --act:#4DE090;--act-p:#36C274;--money-s:#4DE0901F;
 --data:#1E88E5;--warn:#F2B544;--info:#5AA9F0;--danger:#FF6B5E;
 --p1:#FF7A6B;--p2:#F2B544;--p3:#5AA9F0;
 --disp:"Roundo","Nunito",ui-rounded,system-ui,sans-serif;
 --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
 --ease:cubic-bezier(.2,.8,.2,1);}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--bg);color:var(--t1);font-family:var(--body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;margin:0;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
h1,h2,h3,h4{font-family:var(--disp);font-weight:700;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--act);outline-offset:3px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.ic{flex:0 0 auto;display:block}
.c2{color:var(--t2)}.c3{color:var(--t3)}.cm{color:var(--act)}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--t2);font-weight:600;display:inline-flex;gap:8px;align-items:center}
.h2{font-size:clamp(30px,4vw,46px);line-height:1.05}
.lead{color:var(--t2);font-size:17px;max-width:60ch}
.sec{padding-block:96px 0}
.sec-head{display:flex;flex-direction:column;gap:12px;margin-bottom:36px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 22px;border-radius:16px;font-weight:600;font-size:16px;text-decoration:none;white-space:nowrap;transition:background .12s,transform .12s,border-color .12s}
.btn:active{transform:scale(.98)}
.btn-p{background:var(--act);color:var(--on)}.btn-p:hover{background:var(--act-p)}
.btn-s{border:1.5px solid var(--line2);color:var(--t1)}.btn-s:hover{border-color:var(--t3)}
.btn-t{color:var(--act);height:44px;padding:0 8px}
.btn.sm{height:40px;padding:0 16px;border-radius:12px;font-size:14px}
.btn.block{width:100%}
.btn[disabled]{background:#141917;color:var(--t3);cursor:default}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:99px;padding:4px 10px;white-space:nowrap}
.chip.money{background:var(--money-s);color:var(--act)}
.chip.warn{background:#F2B5441F;color:var(--warn)}
.chip.info{background:#5AA9F01F;color:var(--info)}
.chip.dang{background:#FF6B5E1F;color:var(--danger)}
.chip.ghost{border:1px solid var(--line2);color:var(--t2);font-weight:500}
.pchip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 8px;border-radius:6px}
.pchip i{width:8px;height:8px;border-radius:2px;display:block}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:rgba(0,0,0,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:12px;height:68px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none}
.logo .t{display:flex;flex-direction:column;line-height:1}
.logo .w1{font-family:var(--disp);font-size:18px;font-weight:700}
.logo .w2{font-family:var(--disp);font-size:11px;color:var(--act);font-weight:600;margin-top:2px}
.nav nav{display:flex;gap:22px;margin-left:auto;margin-right:12px}
.nav nav a{text-decoration:none;color:var(--t2);font-size:14px;font-weight:500}
.nav nav a:hover{color:var(--t1)}
.cartbtn{position:relative;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line2);display:grid;place-items:center}
.cartbtn b{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;border-radius:99px;background:var(--act);color:var(--on);font-size:11px;display:grid;place-items:center;padding:0 5px}
.cartbtn b[hidden]{display:none}
@media(max-width:860px){.nav nav{display:none}.nav .cartbtn{margin-left:auto}.nav .navcta{display:none}}

/* ---------- hero A ---------- */
.heroA{padding-block:72px 24px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.heroA h1,.heroB h1{font-size:clamp(42px,6.4vw,78px);line-height:.98}
.heroA h1 em,.heroB h1 em{font-style:normal;color:var(--p3)}
.heroA .lead{margin-top:20px}
.checks{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px}
.checks li{display:flex;gap:8px;align-items:center;color:var(--t2);font-size:14px}
.checks li .ic{color:var(--act)}
@media(max-width:900px){.heroA{grid-template-columns:1fr;gap:36px;padding-top:44px}}

.up{padding:22px;display:flex;flex-direction:column;gap:16px}
.up-h{display:flex;flex-direction:column;gap:2px}
.up-h b{font-size:20px;font-weight:600}
.dz{border:1.5px dashed var(--line2);border-radius:16px;background:var(--field);padding:30px 18px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}
.dz:hover,.dz.over{border-color:var(--act);background:#0E1612}
.dz .ico{width:52px;height:52px;border-radius:14px;background:var(--raised);display:grid;place-items:center;margin-bottom:4px}
.dz b{font-weight:600;font-size:16px}
.dz small{color:var(--t2);font-size:13px}
.up-steps{display:flex;flex-direction:column;gap:12px}
.up-steps div{display:flex;gap:10px;align-items:center;color:var(--t2);font-size:14px}
.up-steps .done{color:var(--t1)}.up-steps .done .ic{color:var(--act)}
.up-steps .todo{opacity:.4}
.pbar{height:4px;background:var(--raised);border-radius:99px;overflow:hidden}
.pbar i{display:block;height:100%;width:0;background:var(--data);border-radius:99px;transition:width 2.4s linear}
.priv{display:flex;gap:6px;align-items:center;color:var(--t3);font-size:12.5px}
.spin{width:18px;height:18px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--t1);animation:sp .8s linear infinite;flex:0 0 auto}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- how ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{padding:22px;display:flex;flex-direction:column;gap:10px}
.step .n{font-family:var(--disp);font-size:14px;color:var(--t3)}
.step .itile{width:44px;height:44px;border-radius:12px;background:var(--raised);display:grid;place-items:center}
.step b{font-size:18px;font-weight:600}
.step p{color:var(--t2);font-size:14.5px}
@media(max-width:860px){.steps{grid-template-columns:1fr}}

/* ---------- analysis ---------- */
.an-top{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.an-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:860px){.an-grid{grid-template-columns:1fr}}
.box{padding:22px;display:flex;flex-direction:column;gap:16px;min-width:0}
.box-h{display:flex;justify-content:space-between;align-items:center;gap:10px}
.box-h b{font-size:17px;font-weight:600}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.kv div{background:var(--raised);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:2px;min-width:0}
.kv span{font-size:12px;color:var(--t2)}
.kv b{font-size:17px;font-weight:600}
.split{display:flex;height:12px;border-radius:99px;overflow:hidden;gap:2px}
.split i{display:block;height:100%}
.split-l{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t2)}
.split-l span{display:inline-flex;gap:6px;align-items:center}
.split-l i{width:8px;height:8px;border-radius:2px;display:block}
.prices{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.prices div{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border-top:1px solid var(--line)}
.prices div:first-child{border-top:0}
.prices small{color:var(--t2);font-size:12.5px}
.prices b{font-weight:600}
.prices .best{background:#5AA9F00D}
.tf-h{display:flex;gap:12px;align-items:center}
.tf-logo{width:40px;height:40px;border-radius:12px;background:var(--raised);display:grid;place-items:center;font-family:var(--disp);font-size:15px;color:var(--p3)}
.tf-h .col{display:flex;flex-direction:column;line-height:1.3}
.tf-h small{color:var(--t2);font-size:12.5px}

.ctrl{margin-top:16px;padding:18px 22px;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center}
@media(max-width:860px){.ctrl{grid-template-columns:1fr;gap:18px}}
.ctrl label,.ctrl .lbl{font-size:13px;color:var(--t2);display:flex;justify-content:space-between;gap:8px;margin-bottom:10px}
.ctrl label b,.ctrl .lbl b{color:var(--t1);font-weight:600}
input[type=range]{width:100%;accent-color:var(--act);height:24px;margin:0}
.seg{display:flex;background:var(--raised);border-radius:12px;padding:4px;gap:4px}
.seg button{flex:1;height:38px;border-radius:9px;font-weight:600;font-size:14px;color:var(--t2)}
.seg button[aria-pressed="true"]{background:var(--overlay);color:var(--t1);box-shadow:inset 0 0 0 1px var(--line2)}

.scen{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
@media(max-width:860px){.scen{grid-template-columns:1fr}}
.sc{padding:22px;display:flex;flex-direction:column;gap:14px;position:relative}
.sc.hi{border-color:var(--act);background:linear-gradient(180deg,#0F1A14,var(--surface) 60%)}
.sc .tag{font-size:12px;font-weight:600;color:var(--t2);text-transform:uppercase;letter-spacing:.1em}
.sc h3{font-size:22px}
.sc .amt{font-family:var(--disp);font-size:40px;line-height:1}
.sc .amt small{font-family:var(--body);font-size:15px;color:var(--t2);font-weight:500;margin-left:4px}
.sc .row{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--t2);border-top:1px solid var(--line);padding-top:12px}
.sc .row b{color:var(--t1);font-weight:600}
.sc .sv{font-weight:600}.sc .row b.cm{color:var(--act)}
.meter{height:8px;border-radius:99px;background:var(--raised);overflow:hidden}
.meter i{display:block;height:100%;border-radius:99px;background:var(--p3);transition:width .4s var(--ease)}



.disclaim{display:flex;gap:8px;color:var(--t3);font-size:12.5px;margin-top:16px;align-items:flex-start}

/* ---------- shop ---------- */
.shop{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:960px){.shop{grid-template-columns:1fr;max-width:520px}}
.prod{padding:22px;display:flex;flex-direction:column;gap:18px;position:relative}
.prod.rec{border-color:var(--act)}
.prod .badge{position:absolute;top:18px;right:18px}
.unitwrap{height:190px;border-radius:16px;background:radial-gradient(120% 90% at 50% 100%,#10201A 0%,var(--field) 70%);display:grid;place-items:center;border:1px solid var(--line)}
.unit{width:86px;border-radius:14px;background:linear-gradient(180deg,#232A27,#151A18);border:1px solid #333C38;padding:10px 9px 12px;display:flex;flex-direction:column;gap:5px;box-shadow:0 18px 40px rgba(0,0,0,.6)}
.unit .led{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.unit .led span{width:6px;height:6px;border-radius:50%;background:var(--act);box-shadow:0 0 8px var(--act)}
.unit .cell{height:12px;border-radius:4px;background:#0B0E0D;overflow:hidden}
.unit .cell i{display:block;height:100%;width:100%;background:var(--p3);opacity:.85;transform-origin:left;animation:chg 3.2s var(--ease) both}
@keyframes chg{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.prod h3{font-size:24px}
.prod .cap{color:var(--t2);font-size:14px;margin-top:2px}
.specs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.specs li{display:flex;gap:10px;font-size:14px;color:var(--t2);align-items:flex-start}
.specs li .ic{color:var(--t1);margin-top:2px}
.prod .price{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.prod .price b{font-family:var(--disp);font-size:32px;line-height:1}
.prod .price small{color:var(--t2);font-size:13px}
.prod .yours{background:var(--raised);border-radius:12px;padding:12px 14px;display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--t2)}
.prod .yours b{color:var(--act);font-weight:600}
.incl{display:flex;gap:10px 26px;flex-wrap:wrap;margin-top:22px;color:var(--t2);font-size:14px}
.incl span{display:inline-flex;gap:8px;align-items:center}

/* ---------- faq / final / foot ---------- */
.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 0;font-weight:600;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{transition:transform .2s;color:var(--t2)}
.faq details[open] summary .ic{transform:rotate(180deg)}
.faq details p{color:var(--t2);padding:0 0 18px;max-width:66ch}
.final{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;padding-block:96px 120px}
.final .btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.foot{border-top:1px solid var(--line);padding-block:28px 96px}
.foot .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;color:var(--t2);font-size:13px}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a{text-decoration:none}

/* ---------- modal / drawer ---------- */
.scrim{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.66);opacity:0;pointer-events:none;transition:opacity .25s}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;z-index:71;top:0;right:0;bottom:0;width:min(440px,100%);background:var(--surface);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .35s var(--ease);display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-right:env(safe-area-inset-right,0px)}
.drawer.on{transform:none}
.dr-h{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.dr-h b{font-size:18px;font-weight:600}
.dr-steps{display:flex;gap:6px;padding:14px 20px 0}
.dr-steps i{flex:1;height:3px;border-radius:99px;background:var(--raised)}
.dr-steps i.on{background:var(--act)}
.dr-b{flex:1;overflow:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.dr-f{padding:16px 20px 20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.line{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;background:var(--raised);border-radius:14px;padding:12px}
.line .mini{width:56px;height:56px;border-radius:12px;background:var(--field);display:grid;place-items:center;color:var(--p3)}
.line small{color:var(--t2);font-size:12.5px;display:block}
.qty{display:flex;align-items:center;gap:8px;margin-top:6px}
.qty button{width:28px;height:28px;border-radius:8px;border:1px solid var(--line2);display:grid;place-items:center}
.tot{display:flex;justify-content:space-between;font-size:14px;color:var(--t2)}
.tot b{color:var(--t1);font-weight:600}
.tot.big{font-size:16px;color:var(--t1)}
.tot.big b{font-family:var(--disp);font-size:26px}
.optrow{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line2);border-radius:14px;cursor:pointer}
.optrow input{accent-color:var(--act);width:18px;height:18px;margin:2px 0 0;flex:0 0 auto}
.optrow small{color:var(--t2);font-size:13px;display:block}
.fld{display:flex;flex-direction:column;gap:6px}
.fld label{font-size:13px;color:var(--t2)}
.fld input{height:50px;border-radius:12px;border:1.5px solid var(--line2);background:var(--field);color:var(--t1);padding:0 14px;font:inherit}
.fld input:focus{outline:none;border-color:var(--act)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.empty{text-align:center;color:var(--t2);padding:40px 10px;display:flex;flex-direction:column;align-items:center;gap:10px}
.ok{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:30px 6px}
.ok .ring{width:72px;height:72px;border-radius:50%;background:var(--money-s);display:grid;place-items:center;color:var(--act)}
.ok h3{font-size:28px}
.tlist{display:flex;flex-direction:column;gap:12px;text-align:left;width:100%;margin-top:10px}
.tlist div{display:flex;gap:12px;font-size:14px;color:var(--t2)}
.tlist .d{width:10px;height:10px;border-radius:50%;border:2px solid var(--info);margin-top:5px;flex:0 0 auto}
.tlist .d.f{background:var(--act);border-color:var(--act)}
.tlist b{color:var(--t1);font-weight:600;display:block}

.toast{position:fixed;z-index:73;left:50%;bottom:calc(76px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);opacity:0;background:var(--overlay);border:1px solid var(--line2);border-radius:14px;padding:12px 16px;display:flex;gap:10px;align-items:center;font-size:14px;transition:all .25s var(--ease);pointer-events:none;max-width:calc(100% - 32px)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast .ic{color:var(--act)}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* ---------- páginas legales ---------- */
.legal{max-width:760px;padding-block:64px 96px}
.legal h1{font-size:clamp(32px,5vw,48px);line-height:1.05}
.legal h2{font-family:var(--body);font-size:18px;font-weight:600;margin-top:32px}
.legal p{color:var(--t2);margin-top:10px;max-width:66ch}
.legal-todo{border:1px solid #F2B54455;background:#F2B5441A;color:var(--warn)!important;border-radius:12px;padding:12px 14px;margin-top:20px!important}

/* ---------- selector de idioma ---------- */
.lang{display:flex;align-items:center;gap:2px;height:40px;padding:0 4px 0 10px;border:1.5px solid var(--line2);border-radius:12px;color:var(--t2)}
.lang .ic{margin-right:4px}
.lang a{display:grid;place-items:center;min-width:34px;height:30px;border-radius:8px;text-decoration:none;font-size:13px;font-weight:600;color:var(--t2)}
.lang a:hover{color:var(--t1)}
.lang a[aria-current="page"]{background:var(--overlay);color:var(--t1)}
@media(max-width:860px){.lang{height:44px}}
@media(max-width:380px){.lang .ic{display:none}.lang{padding-left:4px}}