:root{
  --bg:#f2f8fc;--surface:#fff;--surface2:#e6f3fa;--ink:#0a2347;--muted:#4a6080;--line:#d0e3ef;
  --primary:#0758a6;--primary-ink:#fff;--deep:#052f66;--cyan:#00add7;--ok:#0f9d6b;
  --grad:linear-gradient(135deg,#00add7,#0758a6);
  --hdr-bg:#fff;--hdr-fg:#0a2347;
  --hero-a:#031a3d;--hero-b:#0758a6;--hero-fg:#eef6ff;--hero-muted:#a9cbe6;
  --shadow:0 18px 40px -22px rgba(5,47,102,.45);
  --fd:'Sora',system-ui,-apple-system,'Segoe UI',sans-serif;--fb:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;--fh:'Michroma','Sora',system-ui,sans-serif;
  --gut:max(16px,env(safe-area-inset-left,0px));
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#04152f;--surface:#0a2145;--surface2:#0e2c5a;--ink:#e8f3ff;--muted:#9ab6d6;--line:#17365f;--primary:#3fc3e8;--primary-ink:#031a3d;--deep:#7fd3ee;--hdr-bg:#031a3d;--hdr-fg:#e8f3ff;--shadow:0 18px 40px -22px rgba(0,0,0,.8);color-scheme:dark}}
:root[data-theme="dark"]{--bg:#04152f;--surface:#0a2145;--surface2:#0e2c5a;--ink:#e8f3ff;--muted:#9ab6d6;--line:#17365f;--primary:#3fc3e8;--primary-ink:#031a3d;--deep:#7fd3ee;--hdr-bg:#031a3d;--hdr-fg:#e8f3ff;--shadow:0 18px 40px -22px rgba(0,0,0,.8);color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 var(--fb);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--fd);line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.02em}
h1,h2{font-family:var(--fh);font-weight:400;letter-spacing:.01em;line-height:1.28}
h1{font-size:clamp(1.5rem,3.5vw,2.55rem)}
h2{font-size:clamp(1.2rem,2.3vw,1.75rem)}
h3{font-size:1.1rem;font-weight:600}
p{margin:0}a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px 14px;z-index:200}.skip:focus{left:8px;top:8px}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:var(--gut)}
section.s{padding-block:clamp(48px,7vw,88px)}
.alt{background:var(--surface);border-block:1px solid var(--line)}
.lead{color:var(--muted);max-width:64ch;font-size:1.05rem}
.head{display:grid;gap:12px;margin-bottom:36px}
.ic{width:24px;height:24px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid transparent;border-radius:10px;padding:11px 20px;font-weight:600;cursor:pointer;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;background:var(--grad);color:#fff}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px var(--cyan)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{border-color:var(--primary);box-shadow:none}
.btn.light{background:#fff;color:#052f66}.btn.olight{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn.sm{padding:8px 14px;font-size:.9rem}
.row{display:flex;gap:12px;flex-wrap:wrap}

/* header */
header.top{position:sticky;top:0;z-index:50;background:var(--hdr-bg);border-bottom:1px solid var(--line);color:var(--hdr-fg);box-shadow:0 6px 20px -16px rgba(5,47,102,.4)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:inline-flex;align-items:center;text-decoration:none;background:#fff;border-radius:10px;padding:5px 10px}
.logo img{height:42px;width:auto;display:block}
nav.main{display:flex;align-items:center;gap:2px}
nav.main>a,nav.main .dd>a{padding:10px 11px;border-radius:8px;text-decoration:none;font-weight:600;font-size:.92rem;color:var(--hdr-fg);white-space:nowrap}
nav.main>a:hover,nav.main .dd>a:hover,nav.main a[aria-current]{background:var(--surface2);color:var(--primary)}
.dd{position:relative}
.dd .menu{position:absolute;top:100%;left:0;min-width:300px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;display:none;max-height:80vh;overflow:auto}
.dd:hover .menu,.dd:focus-within .menu{display:grid}
.dd .menu a{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:8px;text-decoration:none;font-size:.92rem}
.dd .menu a:hover{background:var(--surface2)}
.dd .menu .ic{width:20px;height:20px;color:var(--primary)}
.burger,.theme{background:none;border:1px solid var(--line);color:var(--hdr-fg);border-radius:8px;padding:8px 12px;cursor:pointer;font-size:.88rem}
.burger{display:none}
.hdr-actions{display:flex;gap:8px;align-items:center}

/* hero */
.hero{background:radial-gradient(900px 520px at 80% 0%,var(--hero-b),transparent 70%),var(--hero-a);color:var(--hero-fg);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,170,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.08) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 70% 30%,#000 15%,transparent 70%)}
.hero .g{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-block:clamp(36px,6vw,80px)}
.hero.sub .g{padding-block:clamp(28px,4.5vw,56px)}
.hero p.lead{color:var(--hero-muted);margin-top:18px}
.hero .row{margin-top:26px}
.hero em{font-style:normal;background:linear-gradient(90deg,#8fe3f7,#00add7);-webkit-background-clip:text;background-clip:text;color:transparent}
.art{width:100%;height:auto;display:block;border-radius:22px;box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.crumbs{padding-top:18px;font-size:.88rem;color:var(--hero-muted)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.6}
.crumbs a{text-decoration:none}.crumbs a:hover{color:#fff;text-decoration:underline}

.values{background:var(--hero-a);color:var(--hero-fg)}
.values .r{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.12)}
.values .v{display:flex;gap:14px;align-items:center;padding:22px 16px 26px 0}
.values .ic{width:30px;height:30px;color:var(--cyan)}
.values small{display:block;color:var(--hero-muted);font-size:.8rem}.values strong{font:600 1rem var(--fd)}

/* grids/cards */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.gc{display:grid;gap:16px}.c3{grid-template-columns:repeat(3,1fr)}.c4{grid-template-columns:repeat(4,1fr)}.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:grid;gap:12px;align-content:start;transition:transform .2s,border-color .2s,box-shadow .2s}
a.card{text-decoration:none}
.card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow)}
.card p{color:var(--muted);font-size:.94rem}
.ico{width:46px;height:46px;border-radius:12px;background:var(--surface2);color:var(--primary);display:grid;place-items:center}
.more{color:var(--primary);font-weight:600;font-size:.92rem}
.scard{padding:0;overflow:hidden}.scard .art{border-radius:0;box-shadow:none}.scard .in{padding:18px 20px 22px;display:grid;gap:8px}

/* checklist, steps, faq */
.chk{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px}
.chk li{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start}
.chk .ic{width:22px;height:22px;color:var(--ok);margin-top:2px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;font:700 .95rem var(--fd);margin-bottom:12px}
.step p{color:var(--muted);font-size:.93rem;margin-top:6px}
.faq{display:grid;gap:10px;max-width:860px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 20px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--primary)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:16px}

/* brands */
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.bt{background:#fff;border:1px solid var(--line);border-radius:14px;min-height:92px;display:grid;place-items:center;padding:14px;text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s}
.bt:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}
.bt img{max-height:44px;width:auto;max-width:82%;object-fit:contain}
.wm{font:700 1.15rem var(--fd);letter-spacing:-.02em;color:#0a2347}
.brand-card{display:grid;gap:14px;grid-template-columns:150px 1fr;align-items:center}
.brand-card .bt{min-height:70px}
.partners{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;color:var(--muted)}
.partners .wm{font-size:1rem;color:var(--muted)}.partners img{max-height:30px;background:#fff;border-radius:6px}
.logo-lg{min-height:120px;border-radius:18px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;padding:20px}
.logo-lg img{max-height:64px;width:auto}.logo-lg .wm{color:#0a1f44;font-size:2rem}

/* products */
.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:22px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:8px 16px;cursor:pointer;font-weight:600;font-size:.9rem}
.chip[aria-pressed="true"]{background:var(--grad);color:#fff;border-color:transparent}
.search{flex:1;min-width:200px;max-width:340px;margin-left:auto;border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:var(--surface)}
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;transition:transform .2s,box-shadow .2s,border-color .2s}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary)}
.prod .im{position:relative;aspect-ratio:16/10;display:grid;place-items:center;background:linear-gradient(135deg,var(--surface2),var(--bg));color:var(--primary)}
.prod .im .ic{width:54px;height:54px;stroke-width:1.4}
.prod .bl{position:absolute;left:12px;bottom:10px;background:#fff;border-radius:8px;padding:4px 9px;display:flex;align-items:center;border:1px solid var(--line)}.prod .bl img{max-height:20px;width:auto}.prod .bl .wm{font-size:.8rem}
.hero-logo{display:inline-flex;background:#fff;border-radius:14px;padding:12px 18px;margin-bottom:18px}.hero-logo img{max-height:44px;max-width:200px;width:auto}.hero-logo .wm{font-size:1.4rem}
.prod .bd{padding:16px;display:grid;gap:10px;align-content:space-between}
.tag{font-size:.8rem;padding:3px 10px;border-radius:99px;background:var(--surface2);color:var(--deep);font-weight:600;text-decoration:none}
.prod h3{font:600 .96rem/1.3 var(--fb);letter-spacing:0}
.price{color:var(--muted);font-size:.86rem}
.note{color:var(--muted);font-size:.9rem;margin-top:18px}
.prod[hidden],.empty[hidden]{display:none}
.empty{grid-column:1/-1;border:1px dashed var(--line);border-radius:14px;padding:28px;text-align:center;display:grid;gap:10px;justify-items:center}

/* bands */
.band{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:var(--hero-fg)}
.band .lead{color:var(--hero-muted)}
.band .g2{align-items:center}
.band ul.feat{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.band ul.feat li{padding:16px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.05)}
.band ul.feat b{font-family:var(--fd);font-weight:600;display:block}.band ul.feat span{color:var(--hero-muted);font-size:.93rem}
.cta{background:var(--surface2);border:1px solid var(--line);border-radius:20px;padding:clamp(24px,4vw,44px);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.methods{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.method{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;align-items:center;gap:12px;font-weight:600}
.method .ico{width:38px;height:38px}

/* forms */
.form{display:grid;gap:14px}.form .r2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}.field label{font-weight:600;font-size:.9rem}
.field input,.field select,.field textarea{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:11px 13px;width:100%;min-width:0}
.field textarea{min-height:100px;resize:vertical}
.ck{display:flex!important;align-items:center;gap:10px;font-weight:600;padding:11px 0;cursor:pointer}.field .ck input{width:20px;height:20px;accent-color:#0758a6;flex:none}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--primary);border-color:transparent}
.err{color:#d3304a;font-size:.84rem;min-height:1em}
.hp{position:absolute;left:-9999px}
.result{border:1px solid var(--primary);background:var(--surface2);border-radius:14px;padding:20px;display:grid;gap:12px;margin-top:14px}
.result pre{margin:0;white-space:pre-wrap;font:500 .9rem/1.6 var(--fb);overflow-wrap:anywhere}
.facts{display:grid;border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.facts div{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px 20px;border-top:1px solid var(--line);align-items:center}
.facts div:first-child{border-top:0}.facts small{display:block;color:var(--muted)}.facts .ic{color:var(--primary)}
.facts b{font-weight:600;overflow-wrap:anywhere}
.copy{background:none;border:0;color:var(--primary);cursor:pointer;font-weight:600;font-size:.85rem;padding:0 0 0 8px}
.ov{position:fixed;inset:0;z-index:100;background:rgba(3,10,28,.72);backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px var(--gut)}
.ov[hidden]{display:none}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:18px;width:min(560px,100%);max-height:100%;overflow:auto;padding:26px;display:grid;gap:16px;animation:pop .25s ease}
.modal header{display:flex;justify-content:space-between;gap:12px;align-items:start}
.x{background:none;border:1px solid var(--line);border-radius:8px;width:36px;height:36px;cursor:pointer;flex:none}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}

footer.ft{background:var(--hero-a);color:var(--hero-muted);padding-block:52px 28px}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
footer h4{color:var(--hero-fg);font:600 .95rem var(--fd);margin:0 0 12px}
footer a{display:block;text-decoration:none;padding:3px 0;font-size:.92rem}footer a:hover{color:#fff}
footer address{font-style:normal;font-size:.92rem;display:grid;gap:4px;margin-top:14px}
footer .legal{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:.86rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.js .rv{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}
.prose{max-width:70ch}.prose p+p{margin-top:14px}

@media (max-width:1020px){.c4,.prods{grid-template-columns:repeat(2,1fr)}.brands{grid-template-columns:repeat(4,1fr)}footer .cols{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.c3{grid-template-columns:1fr 1fr}}
@media (max-width:900px){
  .burger{display:inline-block}
  nav.main{position:absolute;top:100%;left:0;right:0;background:var(--hdr-bg);flex-direction:column;align-items:stretch;padding:10px var(--gut) 20px;display:none;border-bottom:1px solid var(--line);max-height:80vh;overflow:auto}
  nav.main.open{display:flex}
  .dd .menu{position:static;display:grid;background:transparent;border:0;box-shadow:none;color:var(--hdr-fg);padding:0 0 6px 12px;min-width:0;max-height:none}
  .dd .menu a:hover{background:var(--surface2)}
  .hero .g,.g2,.cta{grid-template-columns:1fr}
  .values .r{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){.c2,.c3,.c4,.prods,.chk,.steps,.methods,.form .r2{grid-template-columns:1fr}.brands{grid-template-columns:repeat(2,1fr)}footer .cols{grid-template-columns:1fr}.search{max-width:none;margin-left:0}.brand-card{grid-template-columns:1fr}.values .r{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}.js .rv{opacity:1;transform:none}}

/* interactivo y contenido nuevo */
.prod .im svg.art{width:100%;height:100%;display:block;object-fit:cover}
.prod .im{padding:0;overflow:hidden}
.xplore{border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:18px;box-shadow:var(--shadow,0 10px 30px rgba(3,26,61,.08))}
.xtabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.xt{border:1px solid var(--line);background:var(--bg);color:inherit;border-radius:999px;padding:9px 16px;font:600 .92rem var(--fb,inherit);cursor:pointer}
.xt[aria-selected=true]{background:var(--grad);color:#fff;border-color:transparent}
.xt:focus-visible,.chip:focus-visible{outline:3px solid var(--cy,#00add7);outline-offset:2px}
.xp[hidden],.wres[hidden]{display:none}
.xp .g2{align-items:center}
.xp h3{font-size:1.35rem;margin-bottom:10px}
.vid{margin:0}.vid video{width:100%;aspect-ratio:16/9;border-radius:14px;background:#031a3d;display:block}
.vid figcaption{display:grid;gap:4px;margin-top:10px;font-size:.92rem}.vid figcaption span{color:var(--muted)}
.wiz{border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:22px}
.wres{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.calc{display:grid;gap:12px;margin-top:20px}
.crow{display:grid;grid-template-columns:1fr 130px;gap:12px;align-items:center}
.crow label{font-weight:600;font-size:.93rem}
.crow input,.crow select{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:inherit;font:inherit;width:100%}
.out{display:grid;gap:6px;padding:24px;border-radius:20px;background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:var(--hero-fg)}
.out b{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--hero-muted);margin-top:8px}
.out span{font-family:var(--fd);font-size:1.25rem;font-weight:600}
.out small{color:var(--hero-muted);margin-top:12px;line-height:1.5}
.prose h2{font-size:1.35rem;margin:28px 0 10px}.prose h2:first-child{margin-top:0}.prose p{margin:0 0 12px;line-height:1.7}
ul.plain{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}
.gloss{display:grid;gap:14px;margin:0}.gloss>div{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.gloss dt{font-family:var(--fd);font-weight:600;font-size:1.05rem}.gloss dd{margin:6px 0 0;color:var(--muted)}
@media (max-width:600px){.crow{grid-template-columns:1fr}.xplore{padding:12px}}

/* pantallas Huawei */
.photo{border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 20px 50px rgba(0,0,0,.35);background:#f3f4f7;max-width:560px;margin-inline:auto}
.photo img{display:block;width:100%;height:auto}
.ihb{position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--line);background:#f4f5f8;color:#0b1b3a;min-height:340px;display:grid;align-items:center}
.ihb .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:left center}
.ihb .in{position:relative;margin-left:auto;width:min(46%,520px);padding:32px 36px 32px 0}
.ihb .hl{height:34px;margin-bottom:14px}.ihb .hl img{height:34px;width:auto}.ihb .hl .wm{font-weight:700}
.ihb h2{font-size:1.5rem;color:#0b1b3a}.ihb .lead{color:#44506a;margin:10px 0 18px}
.ihb .btn.ghost{color:#0758a6;border-color:#0758a6;background:transparent}
.spec{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.spec table{width:100%;border-collapse:collapse}
.spec th,.spec td{text-align:left;padding:14px 18px;vertical-align:top;border-bottom:1px solid var(--line)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec th{width:26%;font-family:var(--fd);font-weight:600;white-space:nowrap}
@media (max-width:900px){.ihb{min-height:0}.ihb .bg{position:static;height:auto;aspect-ratio:16/8;object-position:left center}.ihb .in{width:auto;padding:22px}.spec th{white-space:normal;width:34%}}