/* Ruaj public site (landing + ayuda). The app's «Noche» look: dark ground, word-class colours,
   Fredoka headings, Atkinson Hyperlegible body and «Ficha» buttons that sink on press.
   Generated pages live in public/inicio and public/ayuda (scripts/sitio/build.mjs). */
:root{
  --ground:#0E1522; --ground-2:#0A101B; --surface:#172133; --surface-2:#1D2940; --line:#2A3850;
  --text:#E6EDF7; --muted:#B9C6DA; --ink:#0E1522;
  --speak:#4FD1E8; --pron:#F7D046; --act:#6FD08C; --func:#6FB1FF; --quest:#B794F6; --folder:#FFA766; --noun:#FFC59E; --phrase:#4FD1C5;
  --display:'Fredoka','Trebuchet MS',system-ui,sans-serif;
  --body:'Atkinson Hyperlegible Next','Atkinson Hyperlegible',system-ui,-apple-system,sans-serif;
  --gutter:max(16px,env(safe-area-inset-left,0px));
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.55;overflow-x:hidden}
img,video,svg{max-width:100%}
a{color:var(--speak)}
.wrap{max-width:1180px;margin:0 auto;padding-left:var(--gutter);padding-right:max(16px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:8px;z-index:50;background:var(--speak);color:var(--ink);padding:8px 14px;border-radius:10px;font-weight:700}
.skip:focus{left:16px}
:focus-visible{outline:3px solid #fff;outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.12;text-wrap:balance;margin:0}

/* Header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-bottom-color:var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-family:var(--display);font-weight:700;font-size:25px;letter-spacing:-.5px;flex:none}
.brand svg{width:38px;height:38px;flex:none}
.brand small{font-family:var(--body);font-weight:700;font-size:13px;color:var(--muted);letter-spacing:0;border-left:1px solid var(--line);padding-left:10px;margin-left:2px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{color:var(--text);text-decoration:none;font-weight:700;font-size:15.5px;padding:8px 12px;border-radius:10px}
.nav a:hover{background:var(--surface)}
.nav a[aria-current="page"]{color:var(--speak)}
.menu-btn{display:none;margin-left:auto;background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:12px;width:46px;height:46px;cursor:pointer;place-items:center}
.menu-btn svg{width:22px;height:22px}
@media (max-width:860px){
  .menu-btn{display:grid}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:10px var(--gutter) 18px;background:var(--ground);border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:12px 12px;font-size:17px}
  .nav .ficha{margin-top:8px;text-align:center}
}

/* «Ficha» buttons: a face on a darker lip that sinks when pressed, like a board tile. */
.ficha{--face:var(--speak);--lip:#2A9DB3;--fg:var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 22px;border-radius:16px;background:var(--face);color:var(--fg)!important;font-family:var(--display);font-weight:600;font-size:18px;text-decoration:none;border:0;cursor:pointer;box-shadow:0 6px 0 var(--lip);transform:translateY(0);transition:transform .08s,box-shadow .08s;-webkit-tap-highlight-color:transparent}
.ficha:hover{filter:brightness(1.05)}
.ficha:active{transform:translateY(5px);box-shadow:0 1px 0 var(--lip)}
.ficha.alt{--face:var(--surface-2);--lip:#0B111C;--fg:var(--text)}
.ficha.yellow{--face:var(--pron);--lip:#B89A2A}
.ficha.green{--face:var(--act);--lip:#3F9A5C}
.ficha.sm{min-height:44px;padding:8px 16px;font-size:16px;border-radius:13px;box-shadow:0 4px 0 var(--lip)}
.ficha.sm:active{transform:translateY(3px);box-shadow:0 1px 0 var(--lip)}
.ficha svg{width:22px;height:22px;flex:none}

/* Landing */
.hero{position:relative;isolation:isolate;overflow:hidden;min-height:min(820px,calc(100svh - 68px));display:flex;align-items:center;padding-block:56px 72px}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;display:block}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,var(--ground));z-index:-1}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;width:100%}
.hero-copy{display:grid;gap:22px;justify-items:start}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:color-mix(in srgb,var(--surface) 85%,transparent);border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 8px;font-weight:700;font-size:14.5px;color:var(--muted)}
.eyebrow b{background:var(--act);color:var(--ink);border-radius:999px;padding:2px 10px;font-size:13px}
.hero h1{font-size:clamp(42px,7.4vw,84px);font-weight:700;letter-spacing:-1.5px;max-width:11ch}
.hero h1 em{font-style:normal;color:var(--speak)}
.hero .lede{font-size:clamp(18px,2.1vw,21px);color:var(--muted);max-width:52ch;margin:0}
.cta{display:flex;flex-wrap:wrap;gap:14px 16px;align-items:center}
.fine{color:var(--muted);font-size:14.5px;margin:0}
.device{position:relative;justify-self:center;width:100%;max-width:600px}
.tablet{background:#05080E;border-radius:30px;padding:14px;border:2px solid #34425E;box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 6px #121A2A}
.tablet img{display:block;width:100%;height:auto;border-radius:18px;aspect-ratio:1194/834;object-fit:cover;background:var(--surface)}
.speech{position:absolute;left:-6%;bottom:-28px;background:var(--speak);color:var(--ink);font-family:var(--display);font-weight:600;font-size:clamp(17px,2vw,22px);padding:12px 20px;border-radius:20px 20px 20px 6px;box-shadow:0 12px 30px rgba(0,0,0,.4)}
.speech span{opacity:0;animation:word .5s forwards}
.speech span:nth-child(2){animation-delay:.45s}.speech span:nth-child(3){animation-delay:.9s}
@keyframes word{to{opacity:1}}
@media (max-width:900px){
  .hero{min-height:0;padding-block:36px 64px}
  .hero .wrap{grid-template-columns:minmax(0,1fr);gap:44px}
  .speech{left:4%}
}

.band{padding-block:84px}
.band.tight{padding-block:56px}
.band.alt{background:var(--ground-2);border-block:1px solid #182236}
.kicker{font-weight:700;font-size:14px;letter-spacing:1.4px;text-transform:uppercase;color:var(--c,var(--speak));margin:0 0 10px}
.band h2{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.6px;max-width:22ch}
.band .intro{color:var(--muted);font-size:19px;max-width:60ch;margin:16px 0 0}
.head{margin-bottom:40px}
.head.center{text-align:center}
.head.center h2,.head.center .intro{margin-inline:auto}

.who{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:860px){.who{grid-template-columns:minmax(0,1fr)}}
.who article{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:26px 24px 24px;position:relative;overflow:hidden;min-width:0}
.who article::before{content:"";position:absolute;inset:0 0 auto;height:6px;background:var(--c)}
.who .ico{width:58px;height:58px;border-radius:16px;background:var(--c);display:grid;place-items:center;margin-bottom:16px;box-shadow:0 4px 0 color-mix(in srgb,var(--c) 60%,#000)}
.who .ico svg{width:34px;height:34px}
.who h3{font-size:24px;margin-bottom:8px}
.who p{margin:0;color:var(--muted)}
.who ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.who li{display:flex;gap:10px;align-items:flex-start}
.who li::before{content:"";flex:none;width:9px;height:9px;border-radius:3px;background:var(--c);margin-top:9px}

.feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:980px){.feats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.feats{grid-template-columns:minmax(0,1fr)}}
.feat{will-change:transform;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;text-decoration:none;color:var(--text);min-width:0;transition:border-color .15s}
.feat:hover{border-color:var(--c)}
.feat .shot{aspect-ratio:16/10;background:#05080E;overflow:hidden;border-bottom:4px solid var(--c)}
.feat .shot img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 46%}
.feat .txt{padding:18px 20px 20px;display:grid;gap:6px}
.feat h3{font-size:22px}
.feat p{margin:0;color:var(--muted);font-size:16px}
.feat .more{color:var(--c);font-weight:700;font-size:15px;margin-top:4px}

.watch{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center}
@media (max-width:860px){.watch{grid-template-columns:minmax(0,1fr);gap:32px}}
.watch .player{justify-self:center;width:100%;max-width:360px}
.watch ol{margin:24px 0 28px;padding:0;list-style:none;display:grid;gap:14px;counter-reset:s}
.watch li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start;counter-increment:s}
.watch li::before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line);font-family:var(--display);font-weight:600;font-size:20px;color:var(--speak)}
.watch li b{display:block;font-size:18px}
.watch li span{color:var(--muted)}

.play{position:relative;display:block;width:100%;padding:0;border:0;background:#05080E;cursor:pointer;aspect-ratio:9/16;border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.play img{display:block;width:100%;height:100%;object-fit:cover}
.play .tri{position:absolute;left:50%;top:50%;width:78px;height:78px;margin:-39px 0 0 -39px;border-radius:50%;background:var(--speak);box-shadow:0 6px 0 #2A9DB3,0 14px 34px rgba(0,0,0,.45);transition:transform .15s}
.play .tri::after{content:"";position:absolute;left:31px;top:23px;border-left:24px solid var(--ground);border-top:16px solid transparent;border-bottom:16px solid transparent}
.play:hover .tri{transform:scale(1.07)}
.vid{aspect-ratio:9/16;width:100%;background:#05080E;border-radius:24px;overflow:hidden}
.vid video{display:block;width:100%;height:100%;object-fit:contain}
.dur{position:absolute;right:12px;bottom:12px;background:rgba(14,21,34,.85);color:var(--text);font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr);gap:36px}}
.checks{margin:26px 0 30px;padding:0;list-style:none;display:grid;gap:14px}
.checks li{display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:start}
.checks li::before{content:"";width:32px;height:32px;border-radius:10px;background:var(--c,var(--speak)) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E1522' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/20px no-repeat}
.checks b{display:block}
.checks span{color:var(--muted)}
.shot-frame{background:#05080E;border-radius:26px;padding:12px;border:2px solid #34425E;box-shadow:0 26px 70px rgba(0,0,0,.5)}
.shot-frame img{display:block;width:100%;height:auto;border-radius:16px}
.code-chip{display:inline-flex;gap:6px;margin-top:-30px;margin-left:24px;position:relative;background:var(--pron);color:var(--ink);font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:3px;padding:10px 18px;border-radius:16px;box-shadow:0 5px 0 #B89A2A}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:st}
@media (max-width:860px){.steps{grid-template-columns:minmax(0,1fr)}}
.steps li{list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px;counter-increment:st;min-width:0}
.steps li::before{content:counter(st);display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:var(--c);color:var(--ink);font-family:var(--display);font-weight:700;font-size:26px;margin-bottom:16px;box-shadow:0 5px 0 color-mix(in srgb,var(--c) 60%,#000)}
.steps li.tapped::before{animation:tap .5s ease-out}
@keyframes tap{0%{transform:translateY(-14px) scale(.8);opacity:0}60%{transform:translateY(4px);box-shadow:0 1px 0 color-mix(in srgb,var(--c) 60%,#000)}100%{transform:none}}
.steps h3{font-size:22px;margin-bottom:6px}
.steps p{margin:0;color:var(--muted)}
.steps ol{padding:0;margin:0}

.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
@media (max-width:920px){.plans{grid-template-columns:minmax(0,1fr)}}
.plan{display:flex;flex-direction:column;background:var(--surface);border:2px solid var(--line);border-radius:26px;padding:28px 24px 26px;min-width:0;position:relative}
.plan.pick{border-color:var(--speak);box-shadow:0 0 0 4px color-mix(in srgb,var(--speak) 18%,transparent)}
.plan .tag{position:absolute;top:-14px;left:24px;background:var(--speak);color:var(--ink);font-weight:700;font-size:13px;padding:4px 12px;border-radius:999px}
.plan h3{font-size:26px}
.plan .who-for{color:var(--muted);margin:4px 0 18px;font-size:16px}
.price{font-family:var(--display);font-weight:700;font-size:44px;line-height:1;letter-spacing:-1px}
.price small{font-family:var(--body);font-weight:700;font-size:15px;color:var(--muted);letter-spacing:0;margin-left:4px}
.price-note{color:var(--muted);font-size:14.5px;margin:8px 0 0;min-height:1.5em}
.plan ul{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:10px;flex:1}
.plan li{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px}
.plan li::before{content:"✓";color:var(--c,var(--act));font-weight:800}
.plan .ficha{width:100%}
.plan .pilot{margin:-8px 0 18px;padding:10px 14px;border-radius:14px;background:color-mix(in srgb,var(--speak) 14%,var(--surface));border:1px dashed color-mix(in srgb,var(--speak) 55%,var(--line));font-size:14.5px;color:var(--text)}
.plan .pilot b{color:var(--speak)}
.plans-note{color:var(--muted);text-align:center;margin:28px auto 0;max-width:70ch;font-size:15.5px}

.name{display:grid;grid-template-columns:auto minmax(0,1fr);gap:36px;align-items:center;background:linear-gradient(135deg,var(--surface),#13304A);border:1px solid var(--line);border-radius:32px;padding:44px}
.name svg{width:150px;height:150px}
@media (max-width:700px){.name{grid-template-columns:minmax(0,1fr);padding:30px 24px;gap:20px}.name svg{width:96px;height:96px}}
.name h2{font-size:clamp(28px,4vw,42px)}
.name p{color:var(--muted);font-size:18px;margin:14px 0 0;max-width:62ch}
.say{font-family:var(--display);color:var(--speak)}

.faq{display:grid;gap:12px;max-width:860px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:0 22px}
.faq summary{cursor:pointer;list-style:none;font-family:var(--display);font-weight:600;font-size:20px;padding:18px 36px 18px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:30px;color:var(--speak);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--muted)}

.final{text-align:center;padding-block:96px;position:relative;overflow:hidden;isolation:isolate}
.final h2{font-size:clamp(34px,5vw,60px);margin-inline:auto;max-width:16ch}
.final p{color:var(--muted);font-size:19px;margin:18px auto 30px;max-width:50ch}
.final .cta{justify-content:center}

/* Footer */
.foot{border-top:1px solid var(--line);padding-block:44px 52px;color:var(--muted);font-size:15px;background:var(--ground-2)}
.foot .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:28px}
@media (max-width:760px){.foot .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}.foot .about{grid-column:1/-1}}
.foot h4{font-family:var(--body);font-weight:700;font-size:13px;letter-spacing:1.2px;text-transform:uppercase;color:var(--text);margin:0 0 12px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--speak)}
.foot .about p{margin:12px 0 0;max-width:40ch}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;font-size:14px}

/* Docs (ayuda) */
.docs{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;padding-block:36px 80px;align-items:start}
@media (max-width:900px){.docs{grid-template-columns:minmax(0,1fr);gap:20px;padding-top:20px}}
.side{position:sticky;top:88px;display:grid;gap:4px}
.side h4{font-family:var(--body);font-size:12.5px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);margin:16px 12px 6px}
.side h4:first-child{margin-top:0}
.side a{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:15.5px;padding:9px 12px;border-radius:12px}
.side a::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--c,var(--line));flex:none}
.side a:hover{background:var(--surface)}
.side a[aria-current="page"]{background:var(--surface);box-shadow:inset 3px 0 0 var(--c,var(--speak))}
.side-toggle{display:none}
@media (max-width:900px){
  .side{position:static;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:6px}
  .side-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;background:none;border:0;color:var(--text);font:700 16px var(--body);padding:10px 12px;cursor:pointer}
  .side-toggle::after{content:"▾";color:var(--speak)}
  .side .links{display:none;padding-bottom:6px}
  .side.open .links{display:grid;gap:2px}
}
.side .links{display:grid;gap:2px}
.article{min-width:0;max-width:780px}
.crumbs{font-size:14.5px;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.article h1{font-size:clamp(34px,5vw,50px);letter-spacing:-.6px}
.article .lead{font-size:20px;color:var(--muted);margin:14px 0 28px}
.article h2{font-size:28px;margin:44px 0 12px;scroll-margin-top:90px}
.article h3{font-size:21px;margin:28px 0 8px;scroll-margin-top:90px}
.article p,.article li{color:#D3DCEA}
.article ol,.article ul{padding-left:24px;display:grid;gap:8px}
.article b,.article strong{color:var(--text)}
.ui{display:inline-block;background:var(--surface-2);border:1px solid var(--line);border-bottom-width:3px;border-radius:8px;padding:0 8px;font-weight:700;font-size:.92em;color:var(--text);white-space:nowrap}
.note{background:color-mix(in srgb,var(--c,var(--speak)) 12%,var(--surface));border:1px solid color-mix(in srgb,var(--c,var(--speak)) 45%,var(--line));border-radius:16px;padding:14px 18px;margin:20px 0}
.note p{margin:0}
.note b{color:var(--c,var(--speak))}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin:0 0 8px}
.toc b{display:block;font-size:13px;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.toc ol{margin:0;gap:4px}
.toc a{color:var(--text);text-decoration:none}
.toc a:hover{color:var(--speak)}
.inline-vid{display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:12px;margin:22px 0;text-decoration:none;color:var(--text)}
.inline-vid img{width:150px;aspect-ratio:9/16;object-fit:cover;border-radius:12px;display:block}
.inline-vid b{font-family:var(--display);font-weight:600;font-size:19px;display:block}
.inline-vid span{color:var(--muted);font-size:15.5px}
.inline-vid em{font-style:normal;color:var(--speak);font-weight:700;font-size:15px;display:block;margin-top:6px}
@media (max-width:520px){.inline-vid{grid-template-columns:96px minmax(0,1fr)}.inline-vid img{width:96px}}
.next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:56px}
.next a{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 18px;text-decoration:none;color:var(--text);font-weight:700}
.next a span{display:block;color:var(--muted);font-weight:500;font-size:14px}
.next a.fwd{text-align:right;grid-column:2}
.help-hero{padding-block:52px 18px}
.help-hero h1{font-size:clamp(38px,6vw,62px);letter-spacing:-1px}
.help-hero p{color:var(--muted);font-size:20px;max-width:58ch;margin:14px 0 26px}
.search{position:relative;max-width:640px}
.search input{width:100%;min-height:58px;background:var(--surface);border:2px solid var(--line);border-radius:18px;color:var(--text);font:500 18px var(--body);padding:12px 18px 12px 52px}
.search input:focus{outline:none;border-color:var(--speak)}
.search svg{position:absolute;left:18px;top:50%;width:22px;height:22px;margin-top:-11px;color:var(--muted)}
.results{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:6px;max-width:640px}
.results a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;text-decoration:none;color:var(--text);font-weight:700}
.results a span{display:block;color:var(--muted);font-weight:500;font-size:14.5px}
.results .none{color:var(--muted);padding:8px 4px}
.topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding-block:28px 80px}
@media (max-width:900px){.topics{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:580px){.topics{grid-template-columns:minmax(0,1fr)}}
.topic{display:grid;gap:6px;align-content:start;background:var(--surface);border:1px solid var(--line);border-top:6px solid var(--c);border-radius:22px;padding:22px;text-decoration:none;color:var(--text);transition:transform .15s}
.topic:hover{transform:translateY(-3px)}
.topic h2{font-size:23px}
.topic p{margin:0;color:var(--muted);font-size:16px}
.topic span{color:var(--c);font-weight:700;font-size:15px;margin-top:6px}

/* Funciones (videos) */
.chips{position:sticky;top:68px;z-index:5;background:color-mix(in srgb,var(--ground) 92%,transparent);backdrop-filter:blur(8px);border-block:1px solid var(--line)}
.chips .wrap{display:flex;gap:8px;overflow-x:auto;padding-block:12px;scrollbar-width:none}
.chips a{flex:none;color:var(--text);text-decoration:none;font-weight:700;font-size:15px;padding:8px 14px;border-radius:999px;border:2px solid var(--line);background:var(--surface)}
.chips a span{color:var(--muted);font-weight:500;margin-left:4px}
.chips a:hover,.chips a:focus-visible{border-color:var(--speak)}
.group{padding-block:36px 8px;scroll-margin-top:130px}
.group header{display:grid;gap:4px;margin-bottom:18px;padding-left:16px;border-left:6px solid var(--c)}
.group h2{font-size:30px}
.group header p{margin:0;color:var(--muted)}
#comunicar{--c:var(--act)} #acceso{--c:var(--func)} #herramientas{--c:var(--quest)} #personalizar{--c:var(--pron)} #para-adultos-y-fonos{--c:var(--folder)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;min-width:0;scroll-margin-top:130px}
.card .play,.card .vid{border-radius:0;box-shadow:none}
.card .body{padding:16px 18px 18px;display:grid;gap:8px;min-width:0}
.card h3{font-size:21px;line-height:1.2}
.sum{margin:0;color:var(--muted);font-size:15.5px}
.card details{font-size:15px}
.card summary{cursor:pointer;color:var(--speak);font-weight:700}
.card details ol{margin:8px 0 0;padding-left:20px;display:grid;gap:6px;color:var(--muted)}
.card details b{color:var(--text)}
.file{margin:0;font-size:13px}
.also{padding-block:40px 72px}
.also h2{font-size:28px;margin:0 0 12px}
.also ul{margin:0;padding-left:20px;columns:2 280px;column-gap:32px;color:var(--muted)}
.also li{break-inside:avoid;margin-bottom:8px}
.also li b{color:var(--text)}

/* 3D hero (hero3d.js): replaces the tablet picture when WebGL and motion are available. */
.stage3d{display:none}
.device.is-3d .tablet,.device.is-3d .speech{display:none}
.device.is-3d .stage3d{display:block;position:relative;width:calc(100% + 80px);margin-right:-80px;height:min(640px,74vh)}
.stage3d canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1s}
.stage3d.ready canvas{opacity:1}
.say3d{position:absolute;left:50%;top:9%;transform:translateX(-50%);background:var(--speak);color:var(--ink);font-family:var(--display);font-weight:600;font-size:clamp(22px,3vw,34px);padding:12px 26px;border-radius:26px 26px 26px 8px;white-space:nowrap;opacity:0;pointer-events:none;box-shadow:0 8px 0 #2A9DB3,0 20px 50px rgba(0,0,0,.45)}
@media (max-width:900px){.device.is-3d{order:-1;margin-top:-28px}.device.is-3d .stage3d{width:calc(100% + 32px);margin-inline:-16px;height:min(330px,44vh)}.hero.has-3d .wrap{gap:4px}.say3d{top:4%}}
.hero.has-3d > canvas[data-aliento]{display:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .speech span{opacity:1}
}