.teach{--teach-noche:#0b1420;--teach-nieve:#f2f6f9;--teach-blanco:#fff;--teach-cian:#4fd1e0;--teach-cian-oscuro:#0e7c8c;--teach-naranja:#f2921d;--teach-ocre:#bf7a24;--teach-coral:#f28f6b;--teach-gris:#5a6575;--teach-gris-tenue:#8b95a5;--teach-borde:#0b142014;--teach-serif:Georgia, "Times New Roman", serif;--teach-bg:var(--teach-nieve);--teach-ink:var(--teach-noche);--teach-surface:var(--teach-blanco);--teach-secondary:var(--teach-gris);--teach-link:var(--teach-cian-oscuro);--teach-action:var(--teach-naranja);--teach-action-hover:var(--teach-ocre);--teach-action-ink:var(--teach-noche);--teach-border:var(--teach-borde);--teach-max:1200px;--teach-pad:clamp(20px, 4vw, 48px);--teach-medida:66ch;color:var(--teach-noche)}.teach-wrap{width:100%;max-width:var(--teach-max);padding-left:var(--teach-pad);padding-right:var(--teach-pad);margin:0 auto}.teach a:focus-visible,.teach button:focus-visible,.teach-unidad:focus-visible,.teach-cta:focus-visible,.teach-nav-card:focus-visible,.teach-vista-btn:focus-visible{outline:2px solid var(--teach-cian-oscuro);outline-offset:2px;border-radius:6px}.teach a,.teach button{touch-action:manipulation}.teach-topbar{padding:16px var(--teach-pad);border-bottom:1px solid var(--teach-borde);background:var(--teach-nieve);justify-content:space-between;align-items:center;gap:16px;display:flex}.teach-topbar-sticky{z-index:10;position:sticky;top:0}.teach-topbar a{color:var(--teach-cian-oscuro);font-size:14px;font-weight:600;text-decoration:none}.teach-logo{letter-spacing:.01em;color:var(--teach-noche);font-size:15px;font-weight:700;text-decoration:none}.teach-logo .bi{color:var(--teach-naranja)}.teach-logo .slash{color:var(--teach-gris);font-weight:400}.teach-mono{font-family:var(--font-mono,ui-monospace), Menlo, monospace;color:var(--teach-gris);font-size:12px}.teach-hero{background:var(--teach-noche);color:var(--teach-nieve);padding-block:clamp(48px,7vw,88px);position:relative;overflow:hidden}.teach-hero:after{content:"";pointer-events:none;background:radial-gradient(900px 380px at 82% 40%,#4fd1e01a,#0000 70%);position:absolute;inset:0}.teach-hero-inner{z-index:1;max-width:var(--teach-max);padding-inline:var(--teach-pad);grid-template-columns:1fr 1.05fr;align-items:center;gap:clamp(32px,5vw,64px);margin:0 auto;display:grid;position:relative}.teach-hero-kick{font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.18em;color:var(--teach-cian);margin-bottom:18px;font-size:12.5px}.teach-hero-h1{font-family:var(--teach-serif);letter-spacing:-.015em;color:var(--teach-nieve);margin-bottom:20px;font-size:clamp(34px,4.4vw,54px);font-weight:600;line-height:1.08}.teach-hero-lema{font-family:var(--teach-serif);color:var(--teach-nieve);border-left:3px solid var(--teach-coral);max-width:34ch;margin-bottom:26px;padding-left:18px;font-size:clamp(18px,1.6vw,21px);font-style:italic;line-height:1.5}.teach-hero-sub{color:var(--teach-gris-tenue);max-width:44ch;margin-bottom:32px;font-size:16px}.teach-hero-fila{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.teach-cta{background:var(--teach-naranja);color:var(--teach-noche);cursor:pointer;border:0;border-radius:12px;padding:15px 28px;font-size:16px;font-weight:700;text-decoration:none;transition:background .18s;display:inline-block}.teach-cta:hover{background:var(--teach-ocre)}.teach-cta2{color:var(--teach-cian);background:0 0;border:1px solid #4fd1e073;border-radius:12px;padding:14px 22px;font-size:15px;display:inline-block}.teach-video{aspect-ratio:16/9;background:#08111c;border:2px solid #f28f6b8c;border-radius:18px;position:relative;overflow:hidden;box-shadow:0 0 0 1px #f28f6b2e,0 18px 44px #f28f6b24,0 24px 60px #00000080,inset 0 0 0 1px #ffffff0d}.teach-video-el{object-fit:cover;background:#08111c;width:100%;height:100%;display:block;position:absolute;inset:0}.teach-video-lienzo{position:absolute;inset:0}.teach-video-lienzo svg{opacity:.55;width:100%;height:100%}.teach-video-titulo{text-align:center;font-family:var(--teach-serif);color:var(--teach-nieve);padding-inline:8%;font-size:clamp(18px,2.4vw,30px);position:absolute;top:26%;left:0;right:0}.teach-video-play{background:#f2921df2;border-radius:50%;place-items:center;width:64px;height:64px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 30px #f2921d59}.teach-video-play:after{content:"";border-left:18px solid var(--teach-noche);border-top:11px solid #0000;border-bottom:11px solid #0000;margin-left:5px}.teach-video-pie{font-family:var(--font-mono,ui-monospace), Menlo, monospace;color:var(--teach-gris-tenue);font-size:11px;position:absolute;bottom:12px;left:16px}.teach-recorrido{max-width:var(--teach-max);padding:clamp(48px, 6vw, 80px) var(--teach-pad) 96px;margin:0 auto}.teach-recorrido-cab{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px;display:flex}.teach-recorrido-cab h2{font-family:var(--teach-serif);font-size:clamp(24px,2.4vw,30px);font-weight:600}.teach-prog{align-items:center;gap:6px;display:flex}.teach-prog-s{background:#0b14201f;border-radius:2px;width:34px;height:4px}.teach-prog-s.ok{background:var(--teach-cian)}.teach-prog em{color:var(--teach-gris);font-size:13px;font-style:normal;font-family:var(--font-mono,ui-monospace), Menlo, monospace;margin-left:10px}.teach-lista{gap:12px;display:grid}.teach-u{background:var(--teach-blanco);border:1px solid var(--teach-borde);color:var(--teach-noche);border-radius:16px;grid-template-columns:74px 1fr auto;align-items:center;gap:20px;padding:20px 24px;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;display:grid;box-shadow:0 1px 3px #0b14200a}.teach-u:hover{border-color:#0e7c8c59;transform:translateY(-2px);box-shadow:0 10px 28px #0b142017}.teach-u:focus-visible{outline:2px solid var(--teach-cian-oscuro);outline-offset:3px}.teach-u-n{font-family:var(--teach-serif);color:#0b142029;font-size:38px;line-height:1}.teach-u-tit{font-family:var(--teach-serif);margin-bottom:3px;font-size:20px;display:block}.teach-u-obj{color:var(--teach-gris);font-size:14.5px;line-height:1.5;display:block}.teach-u-est{font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.1em;color:var(--teach-gris);white-space:nowrap;font-size:11px}.teach-u.ok .teach-u-n,.teach-u.ok .teach-u-est{color:var(--teach-cian-oscuro)}.teach-u.next{border-color:var(--teach-coral);box-shadow:0 8px 26px #f28f6b33}.teach-u.next .teach-u-n{color:var(--teach-coral)}.teach-u.next .teach-u-est{color:var(--teach-noche);background:#f28f6b38;border-radius:999px;padding:5px 11px;font-weight:700}.teach-portada{background:var(--teach-noche);padding:clamp(56px,8vw,96px) 0 clamp(48px,6vw,72px);position:relative;overflow:hidden}.teach-portada .teach-wrap{position:relative}.teach-portada .teach-num-fondo{color:var(--teach-cian);opacity:.1;-webkit-user-select:none;user-select:none;pointer-events:none;font-size:clamp(220px,30vw,380px);font-weight:800;line-height:1;position:absolute;top:-60px;right:-30px}.teach-fila-meta{align-items:center;gap:14px;margin-bottom:20px;display:flex;position:relative}.teach-kicker{font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.16em;color:var(--teach-cian);font-size:13px}.teach-portada h1{font-family:var(--teach-serif);letter-spacing:-.015em;text-wrap:balance;max-width:16ch;color:var(--teach-nieve);margin-bottom:18px;font-size:clamp(36px,5vw,52px);font-weight:600;line-height:1.08;position:relative}.teach-portada .teach-objetivo{max-width:52ch;color:var(--teach-gris-tenue);margin-bottom:0}.teach-cuerpo{width:100%;color:var(--teach-noche);padding-block:clamp(40px,6vw,64px) 40px;font-size:17px;line-height:1.75}.teach-bloques{grid-template-columns:[full-start] minmax(var(--teach-pad), 1fr) [content-start] min(var(--teach-max), 100% - 2 * var(--teach-pad)) [content-end] minmax(var(--teach-pad), 1fr) [full-end];row-gap:clamp(1.75rem,4vw,2.75rem);display:grid}.teach-bloques>*{grid-column:content}.teach-bloques>.teach-full{grid-column:full}.teach-banda-inner{max-width:var(--teach-max);padding-inline:var(--teach-pad);margin-inline:auto}.teach-texto{max-width:var(--teach-medida)}.teach-texto p{margin:0 0 1.5em}.teach-texto p b,.teach-texto p strong{color:var(--teach-noche)}.teach-texto a{color:var(--teach-cian-oscuro);text-underline-offset:2px}.teach-texto ul,.teach-texto ol{margin:0 0 1.5em;padding-left:1.25rem}.teach-texto li{margin:.35rem 0}.teach-texto h2{font-family:var(--teach-serif);text-wrap:pretty;margin:1rem 0 1.4rem;font-size:clamp(22px,2.6vw,27px);font-weight:600;line-height:1.25}.teach-texto>:first-child{margin-top:0}.teach-destacado{background:var(--teach-noche);border-top:3px solid var(--teach-cian);padding-block:clamp(2.5rem,6vw,4rem)}.teach-destacado p{font-family:var(--teach-serif);color:var(--teach-nieve);max-width:24ch;margin:0;font-size:clamp(24px,3.4vw,34px);line-height:1.3}.teach-destacado p+p{margin-top:1rem}.teach-apunte{background:var(--teach-coral);color:var(--teach-noche);border-radius:0;grid-template-columns:auto 1fr;display:grid;overflow:hidden}.teach-apunte-tab{background:var(--teach-noche);color:var(--teach-coral);writing-mode:vertical-rl;font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.24em;justify-content:center;align-items:center;padding:0 16px;font-size:10.5px;display:flex;transform:rotate(180deg)}.teach-apunte-in{padding:28px 32px}.teach-apunte-in p{color:var(--teach-noche);margin:0;font-size:18px;font-weight:400;line-height:1.6}.teach-apunte-in p+p{margin-top:1rem}@media (max-width:600px){.teach-apunte{grid-template-columns:1fr}.teach-apunte-tab{writing-mode:horizontal-tb;justify-content:flex-start;padding:10px 16px;transform:none}}.teach-tarjetas{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:18px;display:grid}.teach-tarjetas.cols-2{grid-template-columns:repeat(2,1fr)}.teach-tarjetas.cols-3{grid-template-columns:repeat(3,1fr)}.teach-tarjeta{background:var(--teach-blanco);border:1px solid #0b14201a;border-radius:14px;padding:1.6rem 1.7rem;box-shadow:0 8px 24px #0b142017,0 1px 3px #0b14200f}.teach-tarjeta h3{color:var(--teach-noche);margin-bottom:.5rem;font-size:16px;font-weight:700}.teach-tarjeta p{color:var(--teach-gris);margin:0;font-size:15px;line-height:1.6}.teach-cols{grid-template-columns:1fr 1fr;gap:24px;display:grid}.teach-col{padding:34px 32px 30px}.teach-col-sana{background:var(--teach-noche);color:var(--teach-nieve)}.teach-col-falla{color:var(--teach-noche);background:#f28f6b24;border:1px solid #f28f6b59}.teach-col-cab{align-items:center;gap:14px;margin-bottom:6px;display:flex}.teach-col-cab svg{flex-shrink:0}.teach-col-sana .teach-col-cab{color:#4fd1e0}.teach-col-falla .teach-col-cab{color:#b9542f}.teach-col-kicker{font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.2em;margin:0 0 22px;font-size:10.5px}.teach-col-sana .teach-col-kicker{color:#4fd1e0}.teach-col-falla .teach-col-kicker{color:#b9542f}.teach-col-item{grid-template-columns:30px 1fr;align-items:start;gap:14px;padding:13px 0;display:grid}.teach-col-item+.teach-col-item{border-top:1px solid #f2f6f914}.teach-col-falla .teach-col-item+.teach-col-item{border-top-color:#0b142017}.teach-col-ico{margin-top:3px;display:block}.teach-col-sana .teach-col-ico{color:#4fd1e0}.teach-col-falla .teach-col-ico{color:#b9542f}.teach-col-item b{margin-bottom:2px;font-size:17px;font-weight:600;line-height:1.35;display:block}.teach-col-item span span{font-size:15px;line-height:1.5}.teach-col-sana .teach-col-item span span{color:var(--teach-gris-tenue)}.teach-col-falla .teach-col-item span span{color:#5a6575}@media (max-width:820px){.teach-cols{grid-template-columns:1fr}}.teach-col h3{font-family:var(--teach-serif);color:inherit;font-size:23px;font-weight:600;line-height:1.15}.teach-col p{margin:0 0 .75rem}.teach-col-falla p{color:var(--teach-gris)}.teach-col-sana p{color:var(--teach-gris-tenue)}.teach-col ul,.teach-col ol{color:var(--teach-gris);margin:.5rem 0 0;padding-left:1.2rem}.teach-col li{margin:.3rem 0}.teach-cierre{background:var(--teach-noche);border-top:3px solid var(--teach-coral);padding-block:clamp(2.4rem,5vw,3.4rem)}.teach-cierre-k{font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.16em;color:var(--teach-coral);margin-bottom:.6rem;font-size:12px}.teach-cierre p{font-family:var(--teach-serif);color:var(--teach-nieve);max-width:40ch;margin:0;font-size:clamp(19px,2.2vw,23px);line-height:1.5}.teach-revelar{opacity:0;transition:opacity .4s,transform .4s;transform:translateY(8px)}.teach-revelar.visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.teach-revelar{opacity:1;transition:none;transform:none}}.teach-audio{width:min(var(--teach-max), 100% - 2 * var(--teach-pad));background:var(--teach-blanco);border:1px solid #0b14201a;border-radius:14px;align-items:center;gap:14px;margin:0 auto clamp(1.75rem,4vw,2.5rem);padding:.9rem 1.1rem;display:flex;box-shadow:0 6px 20px #0b142014,0 1px 3px #0b14200f}.teach-audio-icono{background:var(--teach-noche);width:40px;height:40px;color:var(--teach-cian);border-radius:999px;flex-shrink:0;place-items:center;font-size:14px;display:grid}.teach-audio-titulo{color:var(--teach-noche);font-size:15px;font-weight:600}.teach-audio-nota{color:var(--teach-gris);margin-top:2px;font-size:13px}.teach-audio-cuerpo{flex:1;min-width:0}.teach-audio-player{width:100%;height:40px;margin-top:8px;display:block}.teach-footer{background:var(--teach-noche);color:var(--teach-nieve);background-image:radial-gradient(1100px 420px at 18% 0,#4fd1e00e,#0000 68%);padding:clamp(52px,6vw,76px) 0 0;font-size:17px;line-height:1.7;position:relative}.teach-footer:before{content:"";background:linear-gradient(90deg,#0000,#4fd1e047,#0000);height:1px;position:absolute;top:0;left:0;right:0}.teach-footer-cols,.teach-footer-lineawrap,.teach-footer-barra{max-width:1240px;padding-inline:var(--teach-pad);margin-inline:auto}.teach-footer-cols{grid-template-columns:1.35fr .85fr .85fr .9fr;gap:clamp(24px,3.4vw,48px);padding-bottom:44px;display:grid}.teach-footer-logo{margin-bottom:14px;display:inline-flex}.teach-footer-tagline{letter-spacing:.22em;color:#7a8494;margin-bottom:26px;font-size:12.5px}.teach-footer-tagline .an{color:var(--teach-cian)}.teach-footer-lema{font-family:var(--teach-serif);color:var(--teach-nieve);border-left:2px solid var(--teach-cian);max-width:29ch;margin-bottom:16px;padding-left:15px;font-size:17px;font-style:italic;line-height:1.5}.teach-footer-desc{color:var(--teach-gris-tenue);max-width:36ch;font-size:13.5px;line-height:1.6}.teach-footer-col h3{letter-spacing:.22em;color:#7a8494;margin-bottom:20px;font-size:11.5px;font-weight:400}.teach-footer-col a,.teach-footer-soon,.teach-footer-info{width:fit-content;padding:8px 0;font-size:15px;text-decoration:none;display:block}.teach-footer-col a{color:var(--teach-nieve);transition:color .2s}.teach-footer-col a:hover{color:var(--teach-cian)}.teach-footer-col a:focus-visible{outline:2px solid var(--teach-cian);outline-offset:3px;border-radius:4px}.teach-footer-soon,.teach-footer-info{color:var(--teach-gris-tenue)}.teach-footer-col .meta{color:#7a8494;font-size:12px;font-family:var(--font-mono,ui-monospace), Menlo, monospace;margin-left:7px}.teach-footer-col .externo:after{content:" ↗";color:var(--teach-cian);font-size:12px}.teach-footer-linea{background:#f2f6f91a;height:1px}.teach-footer-barra{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:22px;padding-bottom:30px;display:flex}.teach-footer-barra p{color:#7a8494;font-size:13.5px}.teach-footer-acceso{font-family:var(--font-mono,ui-monospace), Menlo, monospace;letter-spacing:.08em;color:var(--teach-gris-tenue);align-items:center;gap:8px;font-size:11.5px;display:inline-flex}.teach-footer-acceso .punto{background:var(--teach-cian);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #4fd1e026}@media (max-width:900px){.teach-footer-cols{grid-template-columns:1fr 1fr;gap:34px}.teach-footer-marca{grid-column:1/-1}}@media (max-width:560px){.teach-footer-cols{grid-template-columns:1fr}.teach-footer-barra{flex-direction:column;align-items:flex-start;gap:12px}}.teach-vista{width:100%;max-width:var(--teach-max);padding:0 var(--teach-pad);margin:0 auto}.teach-vista-btn{background:var(--teach-naranja);color:var(--teach-noche);cursor:pointer;border:none;border-radius:12px;padding:13px 26px;font-size:15px;font-weight:700;display:inline-block}.teach-vista-btn:disabled{background:var(--teach-blanco);color:var(--teach-gris);border:1px solid var(--teach-borde);cursor:default}.teach-pie{width:100%;max-width:var(--teach-max);padding:48px var(--teach-pad) 88px;grid-template-columns:1fr 1fr;gap:18px;margin:0 auto;display:grid}.teach-nav-card{background:var(--teach-blanco);border:1px solid var(--teach-borde);color:var(--teach-noche);border-radius:14px;padding:1.4rem 1.6rem;text-decoration:none;display:block;box-shadow:0 1px 8px #0b14200a}.teach-nav-card 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