/* =====================================================================
   Efectos visuales (reinterpretados en CSS/JS vanilla a partir de React
   Bits: aurora/spotlight, specular-button, animated-list, bubble-menu,
   card-nav y circular-gallery). Sin dependencias externas.
   ===================================================================== */

/* --- Fondo aurora con foco ------------------------------------------- */
.hero {
    --px: 50%;
    --py: 40%;
    --foco: 0;
    position: relative;
    overflow: clip;
    background: #050507;
}

.fondo-aurora {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.fondo-aurora::before {
    content: "";
    position: absolute;
    inset: -25%;
    background:
        radial-gradient(40% 44% at 20% 30%, rgba(230, 57, 42, 0.72), transparent 60%),
        radial-gradient(36% 40% at 78% 22%, rgba(139, 66, 245, 0.58), transparent 62%),
        radial-gradient(48% 46% at 60% 84%, rgba(16, 172, 156, 0.42), transparent 64%),
        radial-gradient(32% 32% at 10% 80%, rgba(245, 158, 11, 0.26), transparent 64%);
    filter: blur(64px) saturate(135%);
    animation: auroraDeriva 26s ease-in-out infinite alternate;
}

/* Retícula fina que ordena el fondo y evita que se vea "borroso sin intención". */
.fondo-aurora::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(75% 70% at 50% 45%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(75% 70% at 50% 45%, #000 30%, transparent 78%);
}

@keyframes auroraDeriva {
    0% { transform: translate3d(-2%, -1%, 0) scale(1); }
    50% { transform: translate3d(2%, 2%, 0) scale(1.06); }
    100% { transform: translate3d(-1%, 3%, 0) scale(1.02); }
}

/* Foco suave que sigue al cursor. */
.hero__foco {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(340px circle at var(--px) var(--py),
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0) 64%);
    opacity: var(--foco);
    transition: opacity 260ms ease;
}

[data-tema="claro"] .hero {
    background: #f6f7fb;
}

[data-tema="claro"] .fondo-aurora::before {
    opacity: 0.55;
}

[data-tema="claro"] .fondo-aurora::after {
    background-image:
        linear-gradient(rgba(5, 5, 7, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(5, 5, 7, 0.05) 1px, transparent 1px);
}

.hero__interior {
    position: relative;
    z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
    .fondo-aurora::before {
        animation: none;
    }
}

/* --- Botón especular -------------------------------------------------- */
.boton--especular {
    --mx: 50%;
    --my: 50%;
    --brillo: 0;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--boton-primario) 55%, #ffffff 20%);
    background:
        radial-gradient(120px 120px at var(--mx) var(--my),
            rgba(255, 255, 255, calc(0.32 * var(--brillo))) 0%,
            rgba(255, 255, 255, 0) 60%),
        linear-gradient(180deg,
            color-mix(in srgb, var(--boton-primario) 92%, #ffffff 8%),
            var(--boton-primario));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, calc(0.35 * var(--brillo) + 0.12)),
        inset 0 -1px 0 rgba(0, 0, 0, 0.25),
        0 14px 30px -18px var(--boton-primario-sombra);
    transition: box-shadow var(--transicion), transform var(--transicion), border-color var(--transicion);
}

.boton--especular::after {
    content: "";
    position: absolute;
    inset: -40%;
    z-index: -1;
    background: conic-gradient(from 210deg at var(--mx) var(--my),
            rgba(255, 255, 255, 0) 0deg,
            rgba(255, 255, 255, calc(0.55 * var(--brillo))) 28deg,
            rgba(255, 255, 255, 0) 90deg);
    opacity: calc(0.35 + 0.65 * var(--brillo));
    pointer-events: none;
}

.boton--especular:hover {
    border-color: color-mix(in srgb, var(--boton-primario) 60%, #ffffff 40%);
}

/* --- Listas animadas (entrada escalonada) ----------------------------- */
.revelar {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
    transition:
        opacity 520ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--retraso, 0ms);
}

.revelar--visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .revelar {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* --- Menú de burbujas ------------------------------------------------- */
.menu-burbuja {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    transition: bottom 260ms ease;
    z-index: 55;
    display: grid;
    justify-items: end;
    gap: 0.65rem;
}

.menu-burbuja__items {
    display: grid;
    gap: 0.55rem;
    justify-items: end;
    margin: 0;
    padding: 0;
    list-style: none;
}

.menu-burbuja__item {
    opacity: 0;
    transform: translateY(10px) scale(0.6);
    transform-origin: bottom right;
    pointer-events: none;
    transition:
        opacity 220ms ease,
        transform 420ms cubic-bezier(0.34, 1.56, 0.64, 1);
    transition-delay: var(--retraso, 0ms);
}

.menu-burbuja[data-abierto="true"] .menu-burbuja__item {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.menu-burbuja__enlace {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--borde);
    background: var(--superficie);
    color: var(--texto);
    font-size: var(--texto-sm);
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 12px 26px -20px rgba(0, 0, 0, 0.6);
}

.menu-burbuja__enlace:hover {
    border-color: var(--boton-primario);
    color: var(--boton-primario);
}

.menu-burbuja__disparador {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 999px;
    border: 0;
    background: var(--boton-primario);
    color: var(--boton-primario-contraste);
    cursor: pointer;
    box-shadow: 0 18px 34px -18px var(--boton-primario-sombra);
    transition: transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1), background var(--transicion);
}

.menu-burbuja[data-abierto="true"] .menu-burbuja__disparador {
    transform: rotate(135deg);
    background: var(--boton-primario-hover);
}

/* --- Menú de tarjetas (card-nav) ------------------------------------- */
.card-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    width: min(880px, calc(100vw - 2rem));
    padding: 0.85rem;
    border-radius: 20px;
    border: 1px solid var(--borde);
    background: color-mix(in srgb, var(--superficie) 88%, transparent);
    backdrop-filter: blur(14px);
    box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.55);
    display: none;
    z-index: 50;
}

.card-nav[data-abierto="true"] {
    display: block;
}

.card-nav__rejilla {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.6rem;
}

.card-nav__tarjeta {
    min-height: 168px;
    padding: 0.9rem;
    border-radius: 14px;
    border: 1px solid var(--borde);
    background: var(--superficie-2);
    opacity: 0;
    transform: translateY(10px) scale(0.97);
    transition:
        opacity 260ms ease,
        transform 420ms cubic-bezier(0.34, 1.56, 0.64, 1),
        border-color var(--transicion);
    transition-delay: var(--retraso, 0ms);
}

.card-nav[data-abierto="true"] .card-nav__tarjeta {
    opacity: 1;
    transform: none;
}

.card-nav__tarjeta:hover {
    border-color: color-mix(in srgb, var(--boton-primario) 45%, var(--borde));
}

.card-nav__titulo {
    margin: 0 0 0.15rem;
    font-size: 0.95rem;
    font-weight: 800;
}

.card-nav__descripcion {
    margin: 0 0 0.6rem;
    font-size: var(--texto-xs);
    color: var(--texto-suave);
    line-height: 1.45;
}

.card-nav__enlaces {
    display: grid;
    gap: 0.3rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.card-nav__enlaces a {
    color: var(--texto);
    font-size: var(--texto-sm);
    font-weight: 600;
    text-decoration: none;
}

.card-nav__enlaces a:hover {
    color: var(--boton-primario);
}

.card-nav__tarjeta[data-destacada="true"] {
    background: color-mix(in srgb, var(--boton-primario) 14%, var(--superficie-2));
    border-color: color-mix(in srgb, var(--boton-primario) 40%, var(--borde));
}

/* --- Galería circular de cursos --------------------------------------- */
.galeria-cursos {
    position: relative;
    margin-top: 1.5rem;
    height: clamp(340px, 44vw, 440px);
    padding-bottom: 2.2rem;
    perspective: 1600px;
    perspective-origin: 50% 45%;
    overflow: hidden;
    touch-action: pan-y;
    user-select: none;
    cursor: grab;
}

.galeria-cursos[data-arrastrando="true"] {
    cursor: grabbing;
}

.galeria-cursos__pista {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    transition: transform 120ms linear;
}

.galeria-cursos__carta {
    position: absolute;
    top: 0;
    left: 0;
    width: clamp(180px, 22vw, 240px);
    height: clamp(240px, 30vw, 320px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--borde);
    background: var(--superficie);
    box-shadow: 0 30px 50px -34px rgba(0, 0, 0, 0.75);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    color: #ffffff;
}

.galeria-cursos__carta::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(0, 0, 0, 0) 35%,
        rgba(0, 0, 0, 0.55) 62%,
        rgba(0, 0, 0, 0.88) 100%);
}

.galeria-cursos__portada {
    position: absolute;
    inset: 0 0 45% 0;
    display: grid;
    place-items: center;
    font-weight: 800;
    letter-spacing: 0.08em;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    text-align: center;
    padding: 1rem;
    line-height: 1;
    opacity: 0.22;
}

.galeria-cursos__contenido {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    padding: 0.9rem;
}

.galeria-cursos__escuela {
    margin: 0 0 0.2rem;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    opacity: 0.85;
}

.galeria-cursos__titulo {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.2;
}

.galeria-cursos__meta {
    margin: 0;
    font-size: 0.76rem;
    opacity: 0.9;
}

.galeria-cursos__carta[data-frente="true"] {
    box-shadow: 0 40px 70px -36px rgba(0, 0, 0, 0.85), 0 0 0 2px var(--boton-primario);
}

.galeria-cursos__pie {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.35rem;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    align-items: center;
    z-index: 3;
}

.galeria-cursos__posicion {
    font-size: var(--texto-xs);
    color: var(--texto-suave);
    letter-spacing: 0.08em;
}

.galeria-cursos__control {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid var(--borde);
    background: var(--superficie);
    color: var(--texto);
    cursor: pointer;
}

.galeria-cursos__control:hover {
    border-color: var(--boton-primario);
    color: var(--boton-primario);
}

@media (max-width: 720px) {
    .card-nav {
        left: auto;
        right: 0;
        width: calc(100vw - 1.5rem);
    }

    .menu-burbuja {
        right: 0.9rem;
        bottom: 0.9rem;
    }

    .galeria-cursos {
        height: 340px;
    }
}

.cabecera__nav {
    position: relative;
    display: flex;
    align-items: center;
}

.cabecera__menu-tarjetas {
    gap: 0.45rem;
}

/* El aviso de cookies ocupa el borde inferior: el menú flotante se aparta. */
body.cookies-visibles .menu-burbuja {
    bottom: 7.5rem;
}

/* --- Asistente conversacional ----------------------------------------- */
.asistente {
    position: fixed;
    right: 1.25rem;
    bottom: 6.5rem;
    z-index: 58;
    display: grid;
    grid-template-rows: auto 1fr auto;
    width: min(380px, calc(100vw - 2rem));
    max-height: min(560px, calc(100vh - 9rem));
    border-radius: 18px;
    border: 1px solid var(--borde);
    background: color-mix(in srgb, var(--superficie) 96%, transparent);
    backdrop-filter: blur(14px);
    box-shadow: 0 34px 60px -34px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    transform: translateY(14px) scale(0.97);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease, transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.asistente[data-abierto="true"] {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.asistente__cabecera {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 0.9rem;
    border-bottom: 1px solid var(--borde);
    background: color-mix(in srgb, var(--boton-primario) 10%, var(--superficie));
}

.asistente__titulo {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 800;
}

.asistente__subtitulo {
    margin: 0;
    font-size: 0.72rem;
    color: var(--texto-suave);
}

.asistente__cerrar {
    margin-left: auto;
    border: 0;
    background: transparent;
    color: var(--texto);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem 0.35rem;
}

.asistente__mensajes {
    display: grid;
    align-content: start;
    gap: 0.55rem;
    padding: 0.85rem;
    overflow-y: auto;
    min-height: 180px;
}

.asistente__mensaje {
    max-width: 88%;
    padding: 0.6rem 0.8rem;
    border-radius: 14px;
    font-size: var(--texto-sm);
    line-height: 1.5;
}

.asistente__mensaje p {
    margin: 0;
    white-space: pre-wrap;
}

.asistente__mensaje--asistente {
    justify-self: start;
    background: var(--superficie-2);
    border: 1px solid var(--borde);
    border-bottom-left-radius: 6px;
}

.asistente__mensaje--usuario {
    justify-self: end;
    background: var(--boton-primario);
    color: var(--boton-primario-contraste);
    border-bottom-right-radius: 6px;
}

.asistente__mensaje--pensando {
    opacity: 0.7;
    font-style: italic;
}

.asistente__formulario {
    display: flex;
    gap: 0.45rem;
    padding: 0.7rem;
    border-top: 1px solid var(--borde);
}

.asistente__entrada {
    flex: 1;
    resize: none;
    min-height: 42px;
    max-height: 110px;
    padding: 0.55rem 0.7rem;
    border-radius: 10px;
    border: 1px solid var(--borde);
    background: var(--fondo);
    color: var(--texto);
    font-family: inherit;
    font-size: var(--texto-sm);
}

.asistente__estado {
    grid-column: 1 / -1;
    margin: 0 0.7rem 0.5rem;
    font-size: var(--texto-xs);
    color: var(--texto-suave);
}

@media (max-width: 720px) {
    .asistente {
        right: 0.9rem;
        left: 0.9rem;
        width: auto;
        bottom: 7rem;
    }
}


/* --- Anillo circular compacto del hero (decorativo) ------------------- */
.galeria-cursos.galeria-cursos--mini {
    height: clamp(184px, 20vw, 212px);
    margin-top: 1.6rem;
    padding-bottom: 0;
    overflow: visible;
    perspective: 1000px;
    perspective-origin: 50% 50%;
    cursor: grab;
}

.galeria-cursos--mini .galeria-cursos__carta {
    width: clamp(104px, 11vw, 128px);
    height: clamp(140px, 14.5vw, 170px);
    border-radius: 12px;
    box-shadow: 0 18px 34px -24px rgba(0, 0, 0, 0.9);
}

.galeria-cursos--mini .galeria-cursos__portada {
    inset: 0 0 44% 0;
    font-size: 1.6rem;
    opacity: 0.3;
}

.galeria-cursos--mini .galeria-cursos__contenido {
    padding: 0.5rem 0.55rem 0.6rem;
}

.galeria-cursos--mini .galeria-cursos__escuela {
    display: none;
}

.galeria-cursos--mini .galeria-cursos__titulo {
    margin: 0;
    font-size: 0.7rem;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.galeria-cursos--mini .galeria-cursos__carta[data-frente="true"] {
    border-color: rgba(230, 57, 42, 0.85);
    box-shadow: 0 22px 40px -26px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(230, 57, 42, 0.75),
        0 0 34px -12px rgba(230, 57, 42, 0.55);
}

.galeria-cursos--mini .galeria-cursos__carta {
    background: #0d0d14;
    border-color: rgba(255, 255, 255, 0.14);
}