/* =====================================================
   CONFIGURACIÓN GENERAL
   ===================================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    color: #333;
}

img {
    max-width: 100%;
}

/* =====================================================
   ENCABEZADO
   ===================================================== */

.encabezado {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;

    width: 100%;
    height: 100px;
    padding: 10px 20px;

    display: flex;
    align-items: center;

    background-color: #fff;
}

.logo {
    width: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    display: block;
    max-width: 90px;
    max-height: 80px;
    width: auto;
    height: auto;
}

.imagenes-encabezado {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 80px;
    margin-left: auto;
}

.imagen-efecto {
    position: relative;
    padding: 0;
    margin: 0;
    overflow: visible;
    border-radius: 4px;
    cursor: pointer;
}

.imagen-efecto img {
    display: block;
    width: auto;
    height: auto;
    object-fit: contain;
    transform: scale(1.1);
    transition: transform 0.4s ease;
}

.imagen-efecto::before {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 2000;

    padding: 8px 12px;
    border-radius: 6px;

    background-color: #333;
    color: #fff;
    font-size: 14px;
    white-space: nowrap;

    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.imagen-efecto:nth-child(1)::before {
    content: "Correo electrónico";
}

.imagen-efecto:nth-child(2)::before {
    content: "Teléfono";
}

.imagen-efecto:nth-child(3)::before {
    content: "Horario de atención";
}

.imagen-efecto:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}

.imagen-efecto:hover img {
    transform: scale(1.2);
}

/* =====================================================
   CONTENIDO PRINCIPAL
   ===================================================== */

.contenido {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 140px 10px 0;
    text-align: center;
}

.bienvenida {
    width: 100%;
    margin-bottom: 30px;
    padding: 20px 10px;

    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.bienvenida h1 {
    margin: 0 0 15px;
    font-size: 24px;
    color: #333;
}

.bienvenida p {
    margin: 0;
    font-size: 16px;
    color: #666;
}

/* =====================================================
   CONTENEDOR DE LAS TRES CAJAS
   ===================================================== */

.contenedor {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    gap: 20px;
}

.caja {
    flex: 1 1 300px;
    min-height: 200px;
    padding: 25px;

    border: 1px solid #ddd;
    border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.caja p {
    margin: 0;
    font-size: 16px;
}

.caja img {
    display: inline-block;
}

.caja:nth-child(1) {
    background-color: #004886;
}

.caja:nth-child(2) {
    background-color: #dcfce7;
    align-content: center;
}

.caja:nth-child(3) {
    background: linear-gradient(135deg, #6a0632, #fec3bb);
    vertical-align: middle;
    align-content: center;
}

.texto-blanco {
    color: #fff;
    text-align: justify;
}

/* =====================================================
   FOOTER
   ===================================================== */

.pie-pagina {
    width: 100%;
    margin-top: 50px;
    padding: 40px 5% 20px;
    background: #004886;
    color: #fff;
}

.footer-contenido {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.footer-instituto,
.footer-contacto,
.footer-redes {
    flex: 1;
}

.footer-instituto h2 {
    margin: 0 0 10px;
    font-size: 24px;
}

.footer-instituto p,
.footer-contacto p,
.footer-redes p {
    margin: 0 0 8px;
}

.iconos-redes {
    display: flex;
    align-items: center;
    gap: 12px;
}

.iconos-redes a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.iconos-redes img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-derechos {
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    text-align: center;
}

.footer-derechos p {
    margin: 0;
    font-size: 14px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 768px) {
    .encabezado {
        height: 80px;
        min-height: 80px;
        padding: 8px 10px;
    }

    .logo {
        width: 70px;
    }

    .logo img {
        max-width: 55px;
        max-height: 55px;
    }

    .imagenes-encabezado {
        gap: 8px;
    }

    .imagen-efecto {
        width: auto;
        height: 55px;
    }

    .imagen-efecto img {
        max-height: 55px;
        transform: scale(1);
    }

    .imagen-efecto:hover img {
        transform: scale(1.08);
    }

    .contenido {
        padding: 145px 10px 0;
    }

    .contenedor .caja {
        flex: 1 1 100%;
    }

    .footer-contenido {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }

    .footer-instituto,
    .footer-contacto,
    .footer-redes {
        width: 100%;
    }

    .footer-instituto h2 {
        font-size: 20px;
    }

    .iconos-redes {
        justify-content: center;
    }
}







/* Dar prioridad al tamaño de la imagen de Actividades */
.contenedor > .caja:nth-child(2) {
    flex: 1.5 1 520px;
    min-width: 0;
}

.contenedor > .caja:nth-child(2) img {
    display: block;
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    margin: 0 auto;
}







/* Dos tarjetas giratorias en horizontal */
.seccion-final {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 350px));
    justify-content: center;
    gap: 25px;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.seccion-final .flip-card {
    width: 100%;
    height: 280px;
    perspective: 1000px;
}

.seccion-final .flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s;
}

.seccion-final .flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.seccion-final .flip-card-front,
.seccion-final .flip-card-back {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 15px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-sizing: border-box;
}

.seccion-final .flip-card-front img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.seccion-final .flip-card-back {
    transform: rotateY(180deg);
    background: #004886;
    color: white;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.seccion-final .flip-card-back p {
    line-height: 1.5;
}

/* Mapa independiente */
.seccion-ubicacion {
    width: min(100% - 40px, 1200px);
    margin: 45px auto;
    text-align: center;
}

.seccion-ubicacion h2 {
    color: #315c45;
}

.mapa-escuela {
    width: 100%;
    height: 380px;
    overflow: hidden;
    border-radius: 12px;
}

.mapa-escuela iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.boton-ubicacion {
    display: inline-block;
    margin-top: 15px;
    color: #315c45;
    font-weight: bold;
    text-decoration: none;
}

@media (max-width: 650px) {
    .seccion-final {
        grid-template-columns: minmax(0, 350px);
    }

    .mapa-escuela {
        height: 300px;
    }
}