/* =====================================================================================
   E-LEARNING - mismo lenguaje del sitio (negro / blanco / gris, Elza Narrow, Proxima Nova,
   Oswald, tarjetas de 15px) con un toque de "plataforma de video": portadas con degradado,
   barras de avance y reproductor oscuro.
   ===================================================================================== */
:root {
    --black: #000000;
    --white: #FFFFFF;
    --gray: #858585;
    --white-gray: #E2E2E2;

    --acentos: "Inter", sans-serif;
    --titulos: "Elza Narrow", sans-serif;
    --texto: "Proxima Nova", sans-serif;
    --hispanica: "Oswald", sans-serif;

    --el-exito: #2ecc71;
    --el-dorado: #d4a017;
}

/* El atributo hidden debe ganarle a los display:grid/flex de estas clases */
[hidden] {
    display: none !important;
}

/* ------------------------------------------------------------------ encabezado y hero */
.el-titulo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 150px 0 0;
}

.el-titulo h3 {
    font-family: var(--titulos);
    font-size: 3.2rem;
    letter-spacing: 2px;
}

.el-hero {
    margin: 40px 3% 0;
    border-radius: 15px;
    background:
        radial-gradient(circle at 85% 20%, rgba(255, 255, 255, .08), transparent 45%),
        linear-gradient(135deg, #000 0%, #111 60%, #1b1b1b 100%);
    color: var(--white);
    padding: 55px 50px;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 40px;
    align-items: center;
    overflow: hidden;
}

.el-etiqueta {
    font-family: var(--hispanica);
    font-size: 1.3rem;
    letter-spacing: 3px;
    color: var(--gray);
}

.el-hero h1 {
    font-family: var(--titulos);
    font-size: clamp(3.2rem, 5.5vw, 6rem);
    line-height: .98;
    margin: 12px 0 18px;
    letter-spacing: 1px;
}

.el-hero-desc {
    font-family: var(--texto);
    font-size: 1.6rem;
    line-height: 2.5rem;
    color: var(--white-gray);
    max-width: 560px;
}

.el-estado {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 15px;
    padding: 28px;
    backdrop-filter: blur(4px);
    min-height: 160px;
}

.el-estado-cargando {
    height: 110px;
    border-radius: 10px;
    background: linear-gradient(90deg, rgba(255, 255, 255, .04) 25%, rgba(255, 255, 255, .1) 50%, rgba(255, 255, 255, .04) 75%);
    background-size: 200% 100%;
    animation: el-brillo 1.4s infinite;
}

.el-estado h4 {
    font-family: var(--titulos);
    font-size: 2.4rem;
    margin-bottom: 6px;
}

.el-estado p {
    font-family: var(--texto);
    font-size: 1.5rem;
    color: var(--white-gray);
    line-height: 2.2rem;
}

.el-precio {
    font-family: var(--hispanica);
    font-size: 4.2rem;
    line-height: 1;
    margin: 14px 0 4px;
}

.el-precio small {
    font-size: 1.5rem;
    color: var(--gray);
    margin-left: 4px;
}

.el-insignia {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--hispanica);
    font-size: 1.2rem;
    letter-spacing: 2px;
    padding: 4px 12px;
    border-radius: 2px;
    background: var(--el-exito);
    color: var(--black);
    margin-bottom: 12px;
}

.el-insignia.vencida {
    background: var(--el-dorado);
}

.el-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 2px;
    background: var(--white);
    color: var(--black);
    font-family: var(--hispanica);
    font-size: 1.5rem;
    letter-spacing: 2px;
    margin-top: 16px;
    transition: transform .2s ease, opacity .2s ease;
    cursor: pointer;
}

.el-btn:hover {
    transform: translateY(-2px);
}

.el-btn.negro {
    background: var(--black);
    color: var(--white);
}

.el-btn.contorno {
    background: transparent;
    color: inherit;
    border: 1px solid currentColor;
}

.el-avance-global {
    margin-top: 14px;
}

.el-avance-global span {
    font-family: var(--hispanica);
    font-size: 1.3rem;
    color: var(--white-gray);
    letter-spacing: 1px;
}

/* Barra de avance reutilizable */
.el-barra {
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, .15);
    overflow: hidden;
    margin-top: 8px;
}

.el-barra>i {
    display: block;
    height: 100%;
    background: var(--white);
    border-radius: 3px;
    transition: width .6s ease;
}

.el-barra.clara {
    background: var(--white-gray);
}

.el-barra.clara>i {
    background: var(--black);
}

/* ------------------------------------------------------------------ contenedor y migas */
.el-contenedor {
    margin: 40px 3% 90px;
}

.el-migas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-family: var(--hispanica);
    font-size: 1.4rem;
    letter-spacing: 1px;
    margin-bottom: 22px;
    min-height: 2rem;
    /* Al hacer scroll hasta aqui, que no quede debajo del header fijo */
    scroll-margin-top: 120px;
}

.el-migas a {
    color: var(--gray);
    transition: color .2s ease;
}

.el-migas a:hover {
    color: var(--black);
}

.el-migas .sep {
    color: #bbb;
}

.el-migas strong {
    color: var(--black);
}

.el-seccion-titulo {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.el-seccion-titulo h2 {
    font-family: var(--titulos);
    font-size: clamp(2.8rem, 4vw, 4.2rem);
    line-height: 1;
}

.el-seccion-titulo p {
    font-family: var(--texto);
    font-size: 1.5rem;
    color: #555;
    max-width: 640px;
    line-height: 2.2rem;
    margin-top: 8px;
    white-space: pre-line;
}

/* ------------------------------------------------------------------ continuar viendo */
.el-continuar {
    display: grid;
    grid-template-columns: 260px 1fr auto;
    gap: 24px;
    align-items: center;
    background: var(--white);
    border-radius: 15px;
    padding: 16px;
    margin-bottom: 36px;
    cursor: pointer;
    transition: box-shadow .3s ease;
}

.el-continuar:hover {
    box-shadow: 0 14px 30px rgba(0, 0, 0, .1);
}

.el-continuar .el-mini {
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
    background: #111;
    position: relative;
}

.el-continuar .el-mini img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.el-continuar .el-barra {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    border-radius: 0;
    height: 4px;
}

.el-continuar h4 {
    font-family: var(--titulos);
    font-size: 2.2rem;
}

.el-continuar small {
    font-family: var(--hispanica);
    letter-spacing: 2px;
    color: var(--gray);
    font-size: 1.2rem;
}

.el-play {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--black);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    margin-right: 10px;
}

/* ------------------------------------------------------------------ disciplinas */
.el-grid-disciplinas {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 26px;
}

.el-disciplina {
    position: relative;
    aspect-ratio: 3 / 4;
    border-radius: 15px;
    overflow: hidden;
    background: #111;
    color: var(--white);
    cursor: pointer;
    isolation: isolate;
}

.el-disciplina img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .8s cubic-bezier(.2, .8, .2, 1), filter .5s ease;
    z-index: -2;
    filter: grayscale(.25);
}

.el-disciplina::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 35%, rgba(0, 0, 0, .9) 100%);
    z-index: -1;
}

.el-disciplina:hover img {
    transform: scale(1.07);
    filter: grayscale(0);
}

.el-disciplina-info {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 24px;
}

.el-disciplina-info h3 {
    font-family: var(--titulos);
    font-size: 4rem;
    overflow-wrap: anywhere;
    line-height: .95;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.el-disciplina-info p {
    font-family: var(--hispanica);
    font-size: 1.3rem;
    letter-spacing: 2px;
    color: var(--white-gray);
}

.el-disciplina-flecha {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all .3s ease;
}

.el-disciplina:hover .el-disciplina-flecha {
    background: var(--white);
    color: var(--black);
    transform: rotate(-45deg);
}

.el-sin-imagen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 7rem;
    color: #2a2a2a;
    z-index: -2;
}

/* ------------------------------------------------------------------ sesiones */
.el-grid-sesiones {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 26px;
}

.el-sesion {
    background: var(--black);
    color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: transform .3s ease, box-shadow .3s ease;
    display: flex;
    flex-direction: column;
}

.el-sesion:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 30px rgba(0, 0, 0, .18);
}

.el-sesion-portada {
    aspect-ratio: 16 / 9;
    background: #161616;
    position: relative;
    overflow: hidden;
}

.el-sesion-portada img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.el-sesion-num {
    position: absolute;
    top: 14px;
    left: 14px;
    font-family: var(--hispanica);
    font-size: 1.2rem;
    letter-spacing: 2px;
    background: var(--white);
    color: var(--black);
    padding: 3px 10px;
    border-radius: 2px;
}

.el-sesion-info {
    padding: 20px 22px 24px;
}

.el-sesion-info h3 {
    font-family: var(--titulos);
    font-size: 2.6rem;
    line-height: 1.05;
}

.el-sesion-info p {
    font-family: var(--texto);
    font-size: 1.4rem;
    color: #aaa;
    line-height: 2rem;
    margin: 8px 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.el-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-family: var(--hispanica);
    font-size: 1.3rem;
    letter-spacing: 1px;
    color: var(--white-gray);
}

.el-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* ------------------------------------------------------------------ lista de videos */
.el-lista-videos {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.el-video-fila {
    display: grid;
    grid-template-columns: 50px 240px 1fr auto;
    gap: 22px;
    align-items: center;
    background: var(--white);
    border-radius: 15px;
    padding: 14px 20px 14px 14px;
    cursor: pointer;
    transition: box-shadow .25s ease, transform .25s ease;
}

.el-video-fila:hover {
    box-shadow: 0 12px 26px rgba(0, 0, 0, .09);
    transform: translateX(4px);
}

.el-video-num {
    font-family: var(--hispanica);
    font-size: 2.6rem;
    color: #c4c4c4;
    text-align: center;
}

.el-video-fila.completado .el-video-num {
    color: var(--black);
}

.el-mini {
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
    background: #111;
    position: relative;
}

.el-mini img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.el-mini .el-sin-imagen {
    font-size: 3rem;
    z-index: 0;
}

.el-duracion {
    position: absolute;
    right: 8px;
    bottom: 10px;
    background: rgba(0, 0, 0, .8);
    color: var(--white);
    font-family: var(--hispanica);
    font-size: 1.2rem;
    padding: 2px 8px;
    border-radius: 3px;
}

.el-mini .el-barra {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    border-radius: 0;
    height: 4px;
    background: rgba(255, 255, 255, .25);
}

.el-video-fila h4 {
    font-family: var(--titulos);
    font-size: 2.2rem;
    line-height: 1.1;
    margin-bottom: 6px;
}

.el-video-fila p {
    font-family: var(--texto);
    font-size: 1.4rem;
    color: #666;
    line-height: 2rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.el-video-fila .el-meta {
    color: var(--gray);
    margin-top: 8px;
}

.el-estado-video {
    font-size: 2.8rem;
    color: #c4c4c4;
    display: flex;
}

.el-video-fila.completado .el-estado-video {
    color: var(--el-exito);
}

/* ------------------------------------------------------------------ perfil del video */
.el-reproductor {
    position: relative;
    aspect-ratio: 16 / 9;
    /* Que quepa completo en pantalla (debajo del header fijo) */
    width: min(100%, calc((100vh - 150px) * 16 / 9));
    margin: 0 auto;
    background: #000;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, .25);
}

.el-reproductor video,
.el-reproductor .el-poster {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.el-reproductor .el-poster {
    object-fit: cover;
    filter: brightness(.35) grayscale(.3);
}

.el-candado {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 20px;
    background: radial-gradient(circle, rgba(0, 0, 0, .35), rgba(0, 0, 0, .8));
    z-index: 2;
}

.el-candado ion-icon {
    font-size: 5rem;
    margin-bottom: 10px;
}

.el-candado h3 {
    font-family: var(--titulos);
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    line-height: 1.05;
}

.el-candado p {
    font-family: var(--texto);
    font-size: 1.5rem;
    color: var(--white-gray);
    max-width: 460px;
    margin-top: 8px;
    line-height: 2.2rem;
}

.el-aviso-preview {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 1;
    background: rgba(0, 0, 0, .75);
    color: var(--white);
    font-family: var(--hispanica);
    font-size: 1.2rem;
    letter-spacing: 2px;
    padding: 5px 12px;
    border-radius: 2px;
    pointer-events: none;
}

.el-video-cuerpo {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    margin-top: 28px;
}

.el-video-cuerpo h1 {
    font-family: var(--titulos);
    font-size: clamp(3rem, 4vw, 4.4rem);
    line-height: 1;
    margin-bottom: 14px;
}

.el-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.el-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--hispanica);
    font-size: 1.3rem;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 2px;
    background: var(--white);
    color: var(--black);
}

.el-chip.completado {
    background: var(--el-exito);
}

.el-descripcion {
    font-family: var(--texto);
    font-size: 1.6rem;
    line-height: 2.6rem;
    color: #444;
    white-space: pre-line;
}

.el-panel-lateral {
    background: var(--black);
    color: var(--white);
    border-radius: 15px;
    padding: 24px;
    align-self: start;
}

.el-panel-lateral h5 {
    font-family: var(--hispanica);
    font-size: 1.3rem;
    letter-spacing: 2px;
    color: var(--gray);
    margin-bottom: 10px;
}

.el-panel-lateral .el-siguiente {
    display: flex;
    gap: 12px;
    align-items: center;
    cursor: pointer;
}

.el-panel-lateral .el-siguiente .el-mini {
    width: 110px;
    flex-shrink: 0;
}

.el-panel-lateral .el-siguiente strong {
    font-family: var(--titulos);
    font-size: 1.8rem;
    line-height: 1.15;
}

.el-recomendados {
    margin-top: 50px;
}

.el-recomendados h3 {
    font-family: var(--titulos);
    font-size: 3rem;
    margin-bottom: 18px;
}

.el-grid-recomendados {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 22px;
}

.el-recomendado {
    cursor: pointer;
}

.el-recomendado .el-mini {
    transition: transform .3s ease;
}

.el-recomendado:hover .el-mini {
    transform: translateY(-4px);
}

.el-recomendado h4 {
    font-family: var(--titulos);
    font-size: 1.9rem;
    line-height: 1.15;
    margin-top: 10px;
}

.el-recomendado small {
    font-family: var(--hispanica);
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: var(--gray);
}

.el-vacio {
    text-align: center;
    padding: 60px 20px;
    background: var(--white);
    border-radius: 15px;
    font-family: var(--texto);
    font-size: 1.6rem;
    color: var(--gray);
}

.el-cargando {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 26px;
}

.el-cargando div {
    aspect-ratio: 3 / 4;
    border-radius: 15px;
    background: linear-gradient(90deg, #d8d8d8 25%, #e8e8e8 50%, #d8d8d8 75%);
    background-size: 200% 100%;
    animation: el-brillo 1.4s infinite;
}

@keyframes el-brillo {
    to { background-position: -200% 0; }
}

.el-entrada {
    animation: el-aparecer .45s ease both;
}

@keyframes el-aparecer {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------------ modal de suscripcion */
.el-modal-suscripcion {
    font-family: var(--texto);
    font-size: 1.5rem;
    text-align: center;
}

.el-modal-suscripcion .el-precio {
    color: var(--black);
}

.el-beneficios {
    text-align: left;
    margin: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.el-beneficios li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    line-height: 2rem;
}

.el-beneficios ion-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

/* ------------------------------------------------------------------ responsivo */
@media (max-width: 992px) {
    .el-hero {
        grid-template-columns: 1fr;
        padding: 36px 26px;
    }

    .el-video-cuerpo {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Telefono: el contenido (las clases) debe aparecer pronto, sin un hero gigante */
    .el-titulo {
        margin-top: 115px;
    }

    .el-titulo h3 {
        font-size: 2.6rem;
    }

    .el-hero {
        margin-top: 24px;
        padding: 26px 20px;
        gap: 20px;
    }

    .el-hero h1 {
        font-size: 3rem;
        margin: 8px 0 10px;
    }

    .el-hero-desc {
        font-size: 1.4rem;
        line-height: 2.1rem;
    }

    .el-estado {
        padding: 20px;
        min-height: 0;
    }

    .el-estado h4 {
        font-size: 2rem;
    }

    .el-precio {
        font-size: 3.4rem;
    }

    .el-btn {
        width: 100%;
    }

    .el-contenedor {
        margin-top: 28px;
    }

    .el-grid-disciplinas {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .el-disciplina-info {
        left: 14px;
        right: 14px;
        bottom: 14px;
    }

    .el-disciplina-info h3 {
        font-size: 2.4rem;
    }

    .el-disciplina-info p {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .el-disciplina-flecha {
        width: 34px;
        height: 34px;
        top: 12px;
        right: 12px;
        font-size: 1.6rem;
    }

    .el-grid-sesiones,
    .el-grid-recomendados {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .el-reproductor {
        width: auto;
        margin: 0 -3.1vw;
        border-radius: 0;
    }

    .el-video-cuerpo {
        margin-top: 18px;
        gap: 20px;
    }

    .el-descripcion {
        font-size: 1.5rem;
        line-height: 2.3rem;
    }

    .el-recomendados {
        margin-top: 34px;
    }

    .el-recomendados h3 {
        font-size: 2.4rem;
    }

    .el-grid-recomendados .el-recomendado {
        display: grid;
        grid-template-columns: 140px 1fr;
        gap: 12px;
        align-items: center;
    }

    .el-grid-recomendados .el-recomendado h4 {
        margin-top: 0;
        font-size: 1.7rem;
    }

    .el-video-fila {
        grid-template-columns: 120px 1fr;
        gap: 14px;
        padding: 10px;
    }

    .el-video-num,
    .el-estado-video {
        display: none;
    }

    .el-video-fila .el-mini {
        grid-row: span 1;
    }

    .el-video-fila h4 {
        font-size: 1.8rem;
    }

    .el-video-fila p {
        display: none;
    }

    .el-continuar {
        grid-template-columns: 120px 1fr;
    }

    .el-continuar .el-play {
        display: none;
    }
}