/* =============================================================
   ACADEMIA MARKETIZADOS — Tema claro (estilo plataforma midu.dev)
   Fondo claro, tarjetas blancas, portadas oscuras y acento
   naranja corporativo Marketizados.
   PALETA: edita :root y toda la academia se actualiza.
   ============================================================= */
:root {
    --fondo:        #F5F6F8;   /* fondo general de la app */
    --blanco:       #FFFFFF;   /* tarjetas y paneles */
    --tinta:        #0F172A;   /* texto principal */
    --gris:         #64748B;   /* texto secundario */
    --gris-claro:   #94A3B8;   /* etiquetas suaves */
    --borde:        #E5E9F0;
    --naranja:      #FF6B00;   /* acento corporativo Marketizados */
    --naranja-osc:  #E85D00;
    --naranja-suave:#FFF1E6;
    --verde:        #16A34A;
    --verde-suave:  #EAF7EF;
    --rojo:         #DC2626;
    --portada-a:    #0B1020;   /* portadas oscuras estilo midu */
    --portada-b:    #1A2340;
    --radio:        12px;
    --radio-grande: 16px;
    --sombra:       0 1px 2px rgba(15,23,42,.05), 0 4px 16px -6px rgba(15,23,42,.08);
    --sombra-alta:  0 8px 30px -10px rgba(15,23,42,.18);
    --display: 'Sora', system-ui, sans-serif;
    --cuerpo:  'Inter', system-ui, sans-serif;
    --mono:    'JetBrains Mono', ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--cuerpo);
    background: var(--fondo);
    color: var(--tinta);
    line-height: 1.6; font-size: 15.5px;
    -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--naranja); text-decoration: none; }
a:hover { color: var(--naranja-osc); }
::selection { background: var(--naranja); color: #fff; }
:focus-visible { outline: 2px solid var(--naranja); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--display); letter-spacing: -.02em; line-height: 1.2; color: var(--tinta); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 700; }
h3 { font-weight: 600; }
.mono { font-family: var(--mono); }

.contenedor          { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.contenedor-estrecho { max-width: 780px;  margin: 0 auto; padding: 0 24px; }
.contenedor-form     { max-width: 430px;  margin: 0 auto; padding: 0 24px; }

/* ---------- CABECERA PÚBLICA ---------- */
.cabecera {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--borde);
}
.cabecera .contenedor { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 16px; }
.logo { font-family: var(--display); font-weight: 800; font-size: 1.04rem; color: var(--tinta); white-space: nowrap; }
.logo span { color: var(--naranja); }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--gris); font-size: .92rem; font-weight: 500; padding: 7px 12px; border-radius: 8px; }
.nav a:hover { color: var(--tinta); background: #F1F3F7; }
.nav a.boton-naranja, .nav a.boton-borde { font-size: .88rem; padding: 8px 16px; }

/* ---------- BOTONES ---------- */
.boton {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-weight: 600; font-size: .93rem; padding: 10px 20px;
    border-radius: 10px; border: 1px solid transparent; cursor: pointer;
    transition: background .15s, box-shadow .15s, transform .12s, border-color .15s;
    text-align: center; font-family: var(--cuerpo);
}
.boton:active { transform: translateY(1px); }
.boton-naranja { background: var(--naranja); color: #fff; box-shadow: 0 6px 18px -8px rgba(255,107,0,.6); }
.boton-naranja:hover { background: var(--naranja-osc); color: #fff; }
.boton-borde { background: var(--blanco); border-color: #D7DDE7; color: var(--tinta); }
.boton-borde:hover { border-color: var(--naranja); color: var(--naranja); background: var(--naranja-suave); }
.boton-grande { padding: 13px 26px; font-size: 1rem; border-radius: 12px; }
.boton-mini { padding: 5px 12px; font-size: .8rem; border-radius: 8px; }
.boton-bloque { width: 100%; }
.boton-peligro { background: #fff; border-color: #F3C7C7; color: var(--rojo); }
.boton-peligro:hover { background: #FDF2F2; }

/* ---------- LAYOUT DE APP (sidebar + contenido) ---------- */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.lateral {
    background: var(--blanco); border-right: 1px solid var(--borde);
    padding: 20px 14px; position: sticky; top: 0; height: 100vh;
    display: flex; flex-direction: column; gap: 4px;
}
.lateral .logo { padding: 4px 10px 18px; display: block; }
.lateral a.item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: 9px;
    color: var(--gris); font-weight: 500; font-size: .93rem;
}
.lateral a.item:hover { background: #F1F3F7; color: var(--tinta); }
.lateral a.item.activo { background: var(--naranja-suave); color: var(--naranja); font-weight: 600; }
.lateral .abajo { margin-top: auto; border-top: 1px solid var(--borde); padding-top: 12px; }
.principal { min-width: 0; }
.superior {
    display: flex; align-items: center; gap: 16px;
    padding: 14px 28px; background: var(--blanco);
    border-bottom: 1px solid var(--borde);
    position: sticky; top: 0; z-index: 40;
}
.buscador {
    flex: 1; max-width: 640px; display: flex; align-items: center; gap: 10px;
    background: var(--fondo); border: 1px solid var(--borde);
    border-radius: 12px; padding: 9px 14px; color: var(--gris-claro); font-size: .92rem;
}
.buscador input { border: 0; background: transparent; flex: 1; font: inherit; color: var(--tinta); outline: none; padding: 0; }
.buscador .atajo { font-family: var(--mono); font-size: .72rem; background: var(--blanco);
    border: 1px solid var(--borde); border-radius: 6px; padding: 2px 7px; }
.chip-usuario {
    margin-left: auto; display: flex; align-items: center; gap: 9px;
    font-size: .9rem; font-weight: 600; color: var(--tinta); white-space: nowrap;
}
.chip-usuario .avatar-mini {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, var(--naranja), #FFB35C);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .85rem;
}
.chip-plan {
    font-size: .7rem; font-weight: 700; color: var(--naranja);
    background: var(--naranja-suave); border: 1px solid #FFD9BB;
    padding: 2px 9px; border-radius: 999px; text-transform: capitalize;
}
.zona { padding: 28px; max-width: 1240px; }
.zona-h1 { font-size: 1.55rem; font-weight: 700; margin-bottom: 4px; }
.zona-h1 span { color: var(--naranja); }
.zona-sub { color: var(--gris); margin-bottom: 26px; font-size: .95rem; }
.fila-titulo { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin: 34px 0 16px; }
.fila-titulo:first-child { margin-top: 0; }
.fila-titulo h2 { font-size: 1.2rem; }
.ver-todos { font-size: .88rem; font-weight: 600; }

/* ---------- TARJETAS DE CURSO (portada oscura + pie blanco) ---------- */
.rejilla-cursos { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 20px; }
.tarjeta-curso {
    display: flex; flex-direction: column; background: var(--blanco);
    border: 1px solid var(--borde); border-radius: var(--radio-grande);
    overflow: hidden; color: var(--tinta); box-shadow: var(--sombra);
    transition: transform .18s, box-shadow .18s, border-color .18s;
}
.tarjeta-curso:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta); border-color: #D7DDE7; color: var(--tinta); }
.tarjeta-portada {
    position: relative; aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--portada-a), var(--portada-b));
    background-size: cover; background-position: center;
    display: flex; align-items: flex-end; padding: 16px;
}
.tarjeta-portada::before { /* trama de puntos estilo midu */
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
    background-size: 16px 16px; opacity: .5;
}
.tarjeta-portada::after { /* asterisco decorativo naranja */
    content: '✳'; position: absolute; top: 10px; right: 14px;
    color: var(--naranja); font-size: 1.2rem; opacity: .9;
}
.tarjeta-portada[style]::before, .tarjeta-portada[style]::after { content: none; }
.portada-titulo {
    position: relative; z-index: 1; color: #fff;
    font-family: var(--display); font-weight: 800;
    font-size: 1.22rem; line-height: 1.25; letter-spacing: -.02em;
    text-shadow: 0 2px 12px rgba(0,0,0,.5);
}
.tarjeta-sellos { position: absolute; top: 10px; left: 12px; display: flex; gap: 6px; z-index: 2; }
.sello {
    font-size: .68rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    padding: 3px 10px; border-radius: 999px; background: rgba(255,255,255,.94);
}
.sello-naranja { color: var(--naranja); }
.sello-verde   { color: var(--verde); }
.sellos-sueltos { display: flex; gap: 8px; margin-bottom: 12px; }
.sellos-sueltos .sello { border: 1px solid var(--borde); }
.tarjeta-cuerpo { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.etq { font-family: var(--mono); font-size: .68rem; font-weight: 600; letter-spacing: .12em;
    text-transform: uppercase; color: var(--gris-claro); }
.tarjeta-progreso-fila { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.tarjeta-pct { font-family: var(--display); font-weight: 700; font-size: 1.15rem; }
.tarjeta-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--gris); font-size: .84rem; }
.progreso { height: 6px; background: #E9EDF3; border-radius: 999px; overflow: hidden; }
.progreso-barra { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--naranja), #FF9A3D); }
.vacio {
    border: 1px dashed #CBD4E1; border-radius: var(--radio-grande);
    padding: 44px 24px; text-align: center; color: var(--gris); background: var(--blanco);
}

/* Lista de cursos (dashboard "Nuevos cursos para ti") */
.lista-cursos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.curso-fila {
    display: flex; gap: 14px; align-items: flex-start;
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); padding: 16px; color: var(--tinta);
    box-shadow: var(--sombra); transition: box-shadow .15s, transform .15s; position: relative;
}
.curso-fila:hover { box-shadow: var(--sombra-alta); transform: translateY(-2px); color: var(--tinta); }
.curso-fila .mini-portada {
    width: 74px; aspect-ratio: 1; flex-shrink: 0; border-radius: 10px;
    background: linear-gradient(135deg, var(--portada-a), var(--portada-b));
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-family: var(--display); font-weight: 800; font-size: 1.3rem;
}
.curso-fila h3 { font-size: 1rem; margin-bottom: 4px; }
.curso-fila p { color: var(--gris); font-size: .86rem;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.curso-fila .fila-pie { display: flex; align-items: center; gap: 10px; margin-top: 9px; }
.chip-nivel {
    font-size: .74rem; font-weight: 600; color: var(--gris);
    border: 1px solid var(--borde); border-radius: 999px; padding: 3px 11px; background: var(--fondo);
}
.mini-empezar { font-size: .82rem; font-weight: 600; color: var(--gris); }
.curso-fila:hover .mini-empezar { color: var(--naranja); }
.sello-flotante { position: absolute; top: -9px; right: 14px; }

/* ---------- FILTROS DEL CATÁLOGO ---------- */
.filtros { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; align-items: center; }
.filtros .buscador { flex: initial; width: 300px; background: var(--blanco); }
.filtros select {
    font: inherit; font-size: .9rem; color: var(--tinta);
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: 10px; padding: 9px 13px;
}
.filtros .resultado { margin-left: auto; color: var(--gris); font-size: .86rem; }
.filtros .resultado b { color: var(--tinta); }

/* ---------- FICHA DE CURSO ---------- */
.miga { font-size: .86rem; color: var(--gris); margin-bottom: 18px; }
.miga a { color: var(--gris); }
.miga a:hover { color: var(--naranja); }
.curso-rejilla { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.curso-col-lat { position: sticky; top: 86px; display: flex; flex-direction: column; gap: 20px; }
.portada-hero {
    position: relative; aspect-ratio: 16 / 7.5; border-radius: var(--radio-grande);
    background: linear-gradient(135deg, var(--portada-a), var(--portada-b));
    background-size: cover; background-position: center;
    display: flex; align-items: flex-end; padding: 26px; overflow: hidden;
    box-shadow: var(--sombra-alta); margin-bottom: 26px;
}
.portada-hero::before { content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.15) 1px, transparent 1px);
    background-size: 18px 18px; opacity: .5; }
.portada-hero::after { content: '✳'; position: absolute; top: 18px; right: 22px;
    color: var(--naranja); font-size: 1.7rem; }
.portada-hero[style]::before, .portada-hero[style]::after { content: none; }
.portada-hero .portada-titulo { font-size: clamp(1.5rem, 3.4vw, 2.3rem); }
.curso-hero h1 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; margin-bottom: 10px; }
.curso-desc { color: var(--gris); font-size: 1.02rem; max-width: 640px; }

.caja-lat {
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); padding: 22px; box-shadow: var(--sombra);
}
.caja-lat h3 { font-size: 1.05rem; margin-bottom: 14px; }
.dato-fila { display: flex; justify-content: space-between; gap: 10px;
    padding: 8px 0; border-bottom: 1px solid var(--borde); font-size: .9rem; }
.dato-fila:last-of-type { border-bottom: 0; }
.dato-fila .k { color: var(--gris); display: flex; align-items: center; gap: 7px; }
.dato-fila .v { font-weight: 600; }
.caja-lat .boton { margin-top: 12px; }
.nota-acceso { text-align: center; color: var(--gris); font-size: .8rem; margin-top: 10px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip-stack {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: .82rem; font-weight: 600; color: var(--tinta);
    background: var(--fondo); border: 1px solid var(--borde);
    border-radius: 999px; padding: 5px 13px;
}
.chip-stack::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--naranja); }
.docente { display: flex; gap: 12px; align-items: center; }
.docente .avatar {
    width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
    background: linear-gradient(135deg, var(--naranja), #FFB35C);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-family: var(--display); font-weight: 700; font-size: 1.05rem;
}
.docente .nombre { font-weight: 700; font-size: .95rem; }
.docente .bio { color: var(--gris); font-size: .82rem; margin-top: 2px; }

.aprenderas { margin: 8px 0 34px; }
.aprenderas h2 { margin-bottom: 16px; }
.aprenderas ol { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; counter-reset: apr; }
.aprenderas li {
    counter-increment: apr; display: flex; gap: 14px; align-items: baseline;
    padding: 13px 4px; border-bottom: 1px solid var(--borde); font-size: .95rem;
}
.aprenderas li::before {
    content: counter(apr, decimal-leading-zero);
    font-family: var(--mono); font-size: .78rem; font-weight: 600; color: var(--naranja);
}

/* Contenido por capítulos */
.contenido-curso h2 { margin-bottom: 6px; }
.contenido-meta { color: var(--gris); font-size: .9rem; margin-bottom: 18px; }
.capitulo {
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); padding: 20px 22px; margin-bottom: 14px;
    box-shadow: var(--sombra);
}
.capitulo-etq { font-family: var(--mono); font-size: .7rem; font-weight: 600;
    letter-spacing: .16em; text-transform: uppercase; color: var(--naranja); }
.capitulo h3 { font-size: 1.12rem; margin: 3px 0 2px; }
.capitulo-clases { color: var(--gris); font-size: .84rem; margin-bottom: 10px; }
.leccion-item {
    display: flex; align-items: center; gap: 14px;
    padding: 11px 4px; border-top: 1px solid var(--borde); color: var(--tinta);
}
a.leccion-item:hover { color: var(--naranja); }
a.leccion-item:hover .leccion-titulo { color: var(--naranja); }
.punto {
    width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
    border: 2px solid #CBD5E1; display: inline-flex; align-items: center; justify-content: center;
    font-size: .7rem; color: #fff;
}
.punto.hecha { background: var(--verde); border-color: var(--verde); }
.punto.bloq  { border-style: dashed; }
.leccion-titulo { font-weight: 600; font-size: .93rem; }
.leccion-estado { display: block; font-family: var(--mono); font-size: .66rem; letter-spacing: .14em;
    text-transform: uppercase; color: var(--gris-claro); margin-top: 1px; }
.leccion-dur { margin-left: auto; font-family: var(--mono); font-size: .8rem; color: var(--gris); flex-shrink: 0; }
.leccion-bloqueada { opacity: .55; }

/* ---------- REPRODUCTOR ---------- */
.reproductor-rejilla { display: grid; grid-template-columns: 1fr 340px; gap: 26px; align-items: start; }
.marco-video {
    aspect-ratio: 16 / 9; background: #000; border-radius: var(--radio-grande);
    overflow: hidden; box-shadow: var(--sombra-alta);
}
.marco-video iframe, .marco-video video { width: 100%; height: 100%; border: 0; }
.video-pendiente {
    aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 24px; color: var(--gris);
    background: var(--blanco); border: 1px dashed #CBD4E1; border-radius: var(--radio-grande);
}
.siguiente-clase {
    margin-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 14px;
    background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio-grande);
    padding: 16px 20px; color: var(--tinta); box-shadow: var(--sombra);
}
.siguiente-clase:hover { border-color: var(--naranja); color: var(--tinta); }
.siguiente-clase .etq { margin-bottom: 3px; display: block; }
.siguiente-clase .t { font-weight: 700; font-family: var(--display); }
.siguiente-clase .flecha { color: var(--naranja); font-size: 1.3rem; }
.articulo-leccion { margin-top: 30px; max-width: 720px; }
.articulo-leccion h1 { font-size: 1.6rem; margin-bottom: 14px; }
.articulo-leccion .firma { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.articulo-leccion .firma .avatar { width: 38px; height: 38px; border-radius: 50%;
    background: linear-gradient(135deg, var(--naranja), #FFB35C); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700; }
.articulo-leccion .firma .n { font-weight: 700; font-size: .9rem; }
.articulo-leccion .firma .c { color: var(--gris); font-size: .8rem; }
.articulo-cuerpo { color: #334155; font-size: .98rem; }
.articulo-cuerpo p { margin-bottom: 14px; white-space: pre-line; }
.leccion-nav { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

.panel-contenido {
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); box-shadow: var(--sombra);
    position: sticky; top: 86px; max-height: calc(100vh - 110px);
    display: flex; flex-direction: column;
}
.panel-contenido .cab {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 16px 18px; border-bottom: 1px solid var(--borde);
}
.panel-contenido .cab h3 { font-size: 1.05rem; }
.autoplay { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--gris); cursor: pointer; }
.interruptor { position: relative; width: 36px; height: 20px; background: #CBD5E1;
    border-radius: 999px; transition: background .15s; }
.interruptor::after { content: ''; position: absolute; top: 2px; left: 2px;
    width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left .15s; }
.autoplay input { display: none; }
.autoplay input:checked + .interruptor { background: var(--naranja); }
.autoplay input:checked + .interruptor::after { left: 18px; }
.panel-lista { overflow: auto; padding: 10px 12px 14px; }
.panel-capitulo { margin-bottom: 8px; }
.panel-capitulo summary {
    list-style: none; cursor: pointer; padding: 9px 8px; border-radius: 8px;
    display: flex; flex-direction: column; gap: 1px;
}
.panel-capitulo summary::-webkit-details-marker { display: none; }
.panel-capitulo summary:hover { background: var(--fondo); }
.panel-capitulo .t { font-weight: 700; font-size: .92rem; display: flex; justify-content: space-between; gap: 8px; }
.panel-capitulo .t::after { content: '⌄'; color: var(--gris-claro); }
.panel-capitulo[open] .t::after { content: '⌃'; }
.panel-capitulo .sub { color: var(--gris); font-size: .78rem; }
.panel-leccion {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px; border-radius: 8px; color: var(--tinta); font-size: .87rem;
}
.panel-leccion:hover { background: var(--fondo); color: var(--tinta); }
.panel-leccion.actual { background: var(--naranja-suave); color: var(--naranja); font-weight: 600; }
.panel-leccion .punto { width: 18px; height: 18px; font-size: .6rem; }
.panel-leccion .dur { margin-left: auto; font-family: var(--mono); font-size: .74rem; color: var(--gris); }
.panel-leccion .est { display: block; font-family: var(--mono); font-size: .6rem; letter-spacing: .12em;
    text-transform: uppercase; color: var(--gris-claro); }
.panel-leccion.actual .est { color: var(--naranja); }

/* ---------- LANDING PÚBLICA ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 72px; text-align: center; background: var(--blanco); }
.hero::before { content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(640px 300px at 50% -8%, rgba(255,107,0,.09), transparent 70%); }
.hero::after { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .55;
    background-image: radial-gradient(#DFE5EE 1px, transparent 1px); background-size: 26px 26px;
    mask-image: radial-gradient(closest-side at 50% 30%, #000, transparent);
    -webkit-mask-image: radial-gradient(closest-side at 50% 30%, #000, transparent); }
.hero-int { position: relative; z-index: 1; }
.pildora {
    display: inline-flex; align-items: center; gap: 8px; font-size: .84rem; font-weight: 600;
    color: var(--naranja); background: var(--naranja-suave); border: 1px solid #FFD9BB;
    padding: 6px 15px; border-radius: 999px; margin-bottom: 26px;
}
.pildora::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--naranja); }
.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.6rem); font-weight: 800; max-width: 820px; margin: 0 auto 18px; }
.hero h1 em, .llaves { font-style: normal; font-family: var(--mono); font-weight: 700; color: var(--naranja); white-space: nowrap; }
.llaves::before { content: '{ '; color: #B9C2D0; }
.llaves::after  { content: ' }'; color: #B9C2D0; }
.cursor-parpadeo { display: inline-block; width: .5ch; color: var(--naranja); animation: parpadeo 1.1s steps(1) infinite; }
@keyframes parpadeo { 50% { opacity: 0; } }
.hero-sub { color: var(--gris); font-size: clamp(1rem, 1.9vw, 1.15rem); max-width: 620px; margin: 0 auto 30px; }
.hero-botones { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-nota { color: var(--gris-claro); font-size: .84rem; margin-top: 20px; }

.seccion { padding: 76px 0; }
.seccion:nth-of-type(even) { background: var(--blanco); }
.cejilla { display: block; font-family: var(--mono); font-size: .74rem; font-weight: 600;
    color: var(--naranja); text-transform: uppercase; letter-spacing: .16em; margin-bottom: 10px; }
.seccion h2 { margin-bottom: 10px; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.seccion-sub { color: var(--gris); max-width: 560px; margin-bottom: 36px; }

/* Planes */
.seccion-planes { text-align: center; }
.seccion-planes .seccion-sub { margin-left: auto; margin-right: auto; }
.rejilla-planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 20px; align-items: stretch; text-align: left; max-width: 980px; margin: 0 auto; }
.tarjeta-plan {
    position: relative; display: flex; flex-direction: column; gap: 12px;
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); padding: 28px 24px 24px; box-shadow: var(--sombra);
}
.tarjeta-plan.plan-destacado { border-color: var(--naranja); box-shadow: 0 0 0 1px var(--naranja), var(--sombra-alta); }
.plan-mejor {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
    background: var(--naranja); color: #fff; padding: 4px 14px; border-radius: 999px;
}
.tarjeta-plan h3 { font-size: 1.2rem; }
.plan-desc { color: var(--gris); font-size: .88rem; min-height: 2.5em; }
.plan-precio { font-family: var(--display); font-weight: 800; font-size: 2.4rem; letter-spacing: -.03em; }
.plan-intervalo { font-size: .95rem; font-weight: 400; color: var(--gris); }
.plan-equiv { font-size: .82rem; color: var(--gris); display: flex; flex-direction: column; gap: 5px; }
.plan-ahorro { display: inline-block; width: fit-content; font-size: .74rem; font-weight: 700;
    color: var(--verde); background: var(--verde-suave); border: 1px solid #BBE5C8;
    padding: 3px 10px; border-radius: 999px; }
.plan-ventajas { list-style: none; display: flex; flex-direction: column; gap: 9px; margin: 4px 0 10px; }
.plan-ventajas li { display: flex; gap: 10px; font-size: .9rem; color: #334155; }
.plan-ventajas li::before { content: '✓'; color: var(--verde); font-weight: 700; flex-shrink: 0; }
.tarjeta-plan .boton { margin-top: auto; }
.planes-nota { color: var(--gris-claro); font-size: .83rem; margin-top: 26px; }

.comparativa { max-width: 980px; margin: 32px auto 0; text-align: left; }
.comparativa summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px;
    font-weight: 600; color: var(--gris); padding: 13px 18px; background: var(--blanco);
    border: 1px solid var(--borde); border-radius: var(--radio); }
.comparativa summary::-webkit-details-marker { display: none; }
.comparativa summary::after { content: '+'; margin-left: auto; font-family: var(--mono); font-size: 1.2rem; color: var(--naranja); }
.comparativa[open] summary::after { content: '–'; }
.comparativa table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: .9rem;
    background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden; }
.comparativa th, .comparativa td { padding: 11px 14px; border-bottom: 1px solid var(--borde); text-align: center; }
.comparativa th:first-child, .comparativa td:first-child { text-align: left; color: var(--gris); }
.comparativa .si { color: var(--verde); font-weight: 700; }
.comparativa .no { color: #C3CCD9; }

.faqs { display: flex; flex-direction: column; gap: 10px; max-width: 780px; }
.faqs details { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); padding: 0 20px; }
.faqs details[open] { border-color: #FFC499; }
.faqs summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px;
    font-weight: 600; padding: 16px 0; font-size: .95rem; }
.faqs summary::-webkit-details-marker { display: none; }
.faqs summary::after { content: '+'; margin-left: auto; font-family: var(--mono); font-size: 1.25rem; color: var(--naranja); }
.faqs details[open] summary::after { content: '–'; }
.faqs details p { color: var(--gris); padding-bottom: 18px; font-size: .92rem; }

.rejilla-testimonios { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.testimonio { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio-grande);
    padding: 24px; display: flex; flex-direction: column; gap: 16px; box-shadow: var(--sombra); }
.testimonio blockquote { color: #334155; font-size: .93rem; }
.testimonio blockquote::before { content: '“'; color: var(--naranja); font-family: var(--display);
    font-size: 1.5rem; line-height: 0; margin-right: 2px; }
.testimonio footer { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testimonio .avatar { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; font-family: var(--display);
    font-weight: 700; color: #fff; }
.testimonio:nth-of-type(3n+1) .avatar { background: linear-gradient(135deg, #FF6B00, #C24E00); }
.testimonio:nth-of-type(3n+2) .avatar { background: linear-gradient(135deg, #2563EB, #7C3AED); }
.testimonio:nth-of-type(3n+3) .avatar { background: linear-gradient(135deg, #0D9488, #16A34A); }
.testimonio-nombre { font-weight: 700; font-size: .9rem; }
.testimonio-cargo { color: var(--gris); font-size: .78rem; }

.cta-final { position: relative; overflow: hidden; text-align: center; padding: 84px 0; background: var(--blanco);
    border-top: 1px solid var(--borde); }
.cta-final::before { content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(560px 280px at 50% 115%, rgba(255,107,0,.1), transparent 70%); }
.cta-final .contenedor { position: relative; z-index: 1; }
.cta-final h2 { margin-bottom: 12px; }
.cta-final p { color: var(--gris); max-width: 520px; margin: 0 auto 26px; }

/* ---------- PIE ---------- */
.pie { border-top: 1px solid var(--borde); background: var(--blanco); padding: 38px 0 30px; }
.pie-int { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: space-between; }
.logo-pie { font-family: var(--display); font-weight: 800; color: var(--tinta); }
.logo-pie span { color: var(--naranja); }
.pie-lema { color: var(--gris-claro); font-size: .84rem; }
.pie-enlaces { display: flex; gap: 16px; flex-wrap: wrap; }
.pie-enlaces a { color: var(--gris); font-size: .87rem; }
.pie-enlaces a:hover { color: var(--tinta); }
.pie-credito { color: var(--gris-claro); font-size: .83rem; margin-top: 16px; }
.pie-credito a { color: var(--gris); }

/* ---------- FORMULARIOS / ALERTAS / CUENTA ---------- */
.formulario { display: flex; flex-direction: column; gap: 15px; }
.titulo-form { font-size: 1.55rem; font-weight: 800; margin: 44px 0 4px; }
.formulario label, .caja label { font-weight: 600; font-size: .87rem; display: block; margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=url], input[type=file], select, textarea {
    width: 100%; font: inherit; color: var(--tinta); background: var(--blanco);
    border: 1px solid #D7DDE7; border-radius: 10px; padding: 10px 13px;
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--naranja);
    box-shadow: 0 0 0 3px rgba(255,107,0,.14); }
textarea { min-height: 110px; resize: vertical; }
.form-dos { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.form-nota { color: var(--gris-claro); font-size: .82rem; }
.casillas { display: flex; gap: 18px; flex-wrap: wrap; }
.casilla { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--gris); }
.casilla input { width: auto; }
.form-busqueda { display: flex; gap: 10px; margin-bottom: 18px; }
.form-busqueda input { max-width: 320px; }
.alerta { border-radius: var(--radio); padding: 12px 15px; font-size: .9rem;
    background: #FDF0F0; border: 1px solid #F3C7C7; color: #B42318; }
.alerta-ok { background: var(--verde-suave); border-color: #BBE5C8; color: #166534; }
.aviso { background: var(--naranja-suave); border: 1px solid #FFD9BB; color: #9A4B00;
    border-radius: var(--radio); padding: 12px 15px; font-size: .9rem; }
.caja, .caja-cuenta, .caja-pago, .caja-admin {
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); padding: 24px; margin-bottom: 20px; box-shadow: var(--sombra);
}
.cuenta-fila { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0;
    border-bottom: 1px solid var(--borde); font-size: .92rem; }
.cuenta-fila:last-child { border-bottom: 0; }
.cuenta-detalle { color: var(--gris); }
.pasos-pago { list-style: none; counter-reset: paso; display: flex; flex-direction: column; gap: 13px; margin: 14px 0; }
.pasos-pago li { display: flex; gap: 13px; align-items: baseline; color: #334155; font-size: .93rem; }
.pasos-pago li::before { counter-increment: paso; content: counter(paso);
    font-family: var(--mono); font-weight: 700; color: var(--naranja);
    background: var(--naranja-suave); border: 1px solid #FFD9BB;
    width: 25px; height: 25px; border-radius: 8px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center; font-size: .78rem; }
.precio-inline { font-family: var(--mono); font-weight: 700; color: var(--naranja); }
.lista-compacta { list-style: none; display: flex; flex-direction: column; gap: 7px; color: var(--gris); font-size: .9rem; }

/* ---------- ADMIN ---------- */
.cuerpo-admin { background: var(--fondo); }
.admin-main { padding: 34px 0 70px; }
.admin-h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: 22px; }
.admin-dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 26px; }
.kpi { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio);
    padding: 18px; box-shadow: var(--sombra); }
.kpi-num { font-family: var(--display); font-size: 1.8rem; font-weight: 800; color: var(--naranja); }
.kpi-etq { color: var(--gris); font-size: .83rem; margin-top: 2px; }
.tabla { width: 100%; border-collapse: collapse; font-size: .9rem; background: var(--blanco); }
.tabla th { text-align: left; font-family: var(--mono); font-size: .68rem; text-transform: uppercase;
    letter-spacing: .1em; color: var(--gris); padding: 10px 12px; border-bottom: 1px solid var(--borde); }
.tabla td { padding: 11px 12px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
.tabla tr:hover td { background: #FAFBFD; }
.celda-tenue { color: var(--gris); }
.celda-acciones { display: flex; gap: 8px; flex-wrap: wrap; }
.tabla-lineas .barra { height: 6px; }
.caja-admin h2, .caja h2 { font-size: 1.1rem; margin-bottom: 14px; }

/* ---------- ANIMACIÓN ---------- */
.aparece { opacity: 0; transform: translateY(12px); transition: opacity .45s ease, transform .45s ease; }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .aparece { opacity: 1; transform: none; transition: none; }
    .cursor-parpadeo { animation: none; }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .curso-rejilla, .reproductor-rejilla { grid-template-columns: 1fr; }
    .curso-col-lat, .panel-contenido { position: static; max-height: none; }
    .lista-cursos { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
    .app { grid-template-columns: 1fr; }
    .lateral { position: static; height: auto; flex-direction: row; align-items: center;
        overflow-x: auto; padding: 10px 14px; border-right: 0; border-bottom: 1px solid var(--borde); }
    .lateral .logo { padding: 0 10px 0 0; }
    .lateral .abajo { margin-top: 0; border-top: 0; padding-top: 0; margin-left: auto; display: flex; gap: 4px; }
    .aprenderas ol { grid-template-columns: 1fr; }
    .admin-dos-col { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .hero { padding: 58px 0 48px; }
    .seccion { padding: 54px 0; }
    .form-dos { grid-template-columns: 1fr; }
    .hero-botones .boton { width: 100%; }
    .comparativa { overflow-x: auto; }
    .zona { padding: 18px; }
    .superior { padding: 12px 18px; }
    .cabecera .contenedor { height: auto; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
}

/* ---------- RECURSOS DE LA CLASE ---------- */
.recurso-fila {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 4px; border-top: 1px solid var(--borde);
    color: var(--tinta); font-weight: 600; font-size: .92rem;
}
.recurso-fila:first-of-type { border-top: 0; }
.recurso-fila:hover { color: var(--naranja); }
.recurso-fila span:first-of-type { flex: 1; min-width: 0; }
.recurso-tipo { font-family: var(--mono); font-size: .72rem; font-weight: 500; color: var(--gris-claro); }
.recurso-fila:hover .recurso-tipo { color: var(--naranja); }

/* ---------- BIBLIOTECA DE RECURSOS (sección Recursos) ---------- */
.rejilla-recursos { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; margin-bottom: 12px; }
.tarjeta-recurso {
    display: flex; flex-direction: column; gap: 8px;
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: var(--radio-grande); padding: 20px;
    box-shadow: var(--sombra); transition: transform .15s, box-shadow .15s;
}
.tarjeta-recurso:hover { transform: translateY(-2px); box-shadow: var(--sombra-alta); }
.tarjeta-recurso-cab { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.recurso-icono {
    width: 38px; height: 38px; border-radius: 10px;
    background: var(--naranja-suave); display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}
.tarjeta-recurso h3 { font-size: 1rem; }
.tarjeta-recurso p { color: var(--gris); font-size: .86rem; flex: 1; }
.tarjeta-recurso .boton { align-self: flex-start; margin-top: 4px; }
.recurso-cerrado { opacity: .85; }
.recurso-cerrado .recurso-icono { background: #EEF1F6; }

/* Banda de recursos en la home */
.banda-recursos { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.banda-item {
    background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio);
    padding: 16px 18px; font-weight: 600; font-size: .93rem; box-shadow: var(--sombra);
}

/* Enlace activo en la navegación pública */
.nav a.activo { color: var(--naranja); background: var(--naranja-suave); }

/* Accesos rápidos del panel */
.acciones-panel { display: flex; flex-wrap: wrap; gap: 10px; }