/* ============================================================
   AREA-DE-TRABAJO.CSS
   Estructura:
   1. Hero y breadcrumb
   2. Título y subtítulo
   3. Grid de Flip Cards
   4. Flip Card (frente y reverso)
   5. Responsive
============================================================ */


/* ============================================================
   1. HERO Y BREADCRUMB
============================================================ */
.mv-hero {
    position: relative;
    width: 100%;
    height: 55vh;
    overflow: hidden;
}

.mv-hero-imagen {
    width: 100%;
    height: 100%;
}

.mv-hero-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.mv-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(0, 18, 38, 0.4),
            rgba(0, 18, 38, 0.75));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 40px 8%;
}

.mv-hero-overlay h2 {
    font-size: 3.5rem;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 900;
    line-height: 1;
}

.mv-hero-overlay h2 span {
    color: #daa520;
}

.mv-hero-overlay p {
    font-size: 1.1rem;
    color: #dddddd;
    margin-top: 10px;
    letter-spacing: 1px;
}

.breadcrumb {
    background-color: #f5f5f5;
    padding: 12px 0;
    border-bottom: 1px solid #eeeeee;
}

.breadcrumb-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 8%;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb-container a {
    color: #001f3f;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.breadcrumb-container a:hover {
    color: #ff4136;
}

.breadcrumb-container i {
    color: #aaaaaa;
    font-size: 0.7rem;
}

.breadcrumb-container span {
    color: #888888;
}


/* ============================================================
   2. TÍTULO Y SUBTÍTULO
============================================================ */
.adt-main {
    padding: 70px 20px 100px 20px;
    background-color: #ffffff;
}

.adt-container {
    max-width: 1200px;
    margin: 0 auto;
}

.adt-titulo {
    text-align: center;
    font-size: 2.8rem;
    color: #001226;
    font-weight: 900;
    margin-bottom: 10px;
}

.adt-titulo span {
    color: #ff4136;
}

.adt-linea-deco {
    width: 80px;
    height: 4px;
    background-color: #daa520;
    margin: 0 auto 20px auto;
    border-radius: 2px;
}

.adt-subtitulo {
    text-align: center;
    color: #777777;
    font-size: 1rem;
    margin-bottom: 60px;
}


/* ============================================================
   3. GRID DE FLIP CARDS
   - 3 cards en la primera fila, 2 centradas en la segunda
============================================================ */
/* Grid de 3 columnas — 3 arriba + 3 abajo */
.flip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* En escritorio: 3 columnas, todas iguales */
@media (max-width: 900px) {

    /* 2 columnas en tablet */
    .flip-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flip-card {
        height: 380px;
    }

    .flip-card:hover .flip-inner {
        transform: none;
    }

    .flip-card.active .flip-inner {
        transform: rotateY(180deg);
    }
}

@media (max-width: 580px) {

    /* 1 columna en móvil */
    .flip-grid {
        grid-template-columns: 1fr;
    }

    .flip-card {
        height: 380px;
    }
}

/* ============================================================
   4. FLIP CARD
   - .flip-card: contenedor con perspective para el efecto 3D
   - .flip-inner: el elemento que rota
   - .flip-front: cara frontal (imagen + título)
   - .flip-back: cara trasera (descripción + botón)
============================================================ */

/* Contenedor externo — define la perspectiva 3D */
.flip-card {
    height: 420px;
    perspective: 1200px;
    /* Profundidad del efecto 3D */
    cursor: pointer;
}

/* Elemento que rota — contiene frente y reverso */
.flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    /* Mantiene el 3D en los hijos */
    transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
    border-radius: 20px;
}

/* Al hacer hover sobre la card, el inner rota 180° */
.flip-card:hover .flip-inner {
    transform: rotateY(180deg);
}

/* Clase para móvil: se activa con clic via JS */
.flip-card.active .flip-inner {
    transform: rotateY(180deg);
}

/* Estilos comunes del frente y reverso */
.flip-front,
.flip-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    backface-visibility: hidden;
    /* Oculta la cara cuando está de espaldas */
    -webkit-backface-visibility: hidden;
    overflow: hidden;
}

/* ---- FRENTE ---- */
.flip-front {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Overlay oscuro sobre la imagen del frente */
.flip-front-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(0, 18, 38, 0.3),
            rgba(0, 18, 38, 0.75));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 30px;
    text-align: center;
}

/* Ícono circular en el frente */
.flip-icono {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    border: 2px solid #daa520;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.flip-icono i {
    font-size: 2rem;
    color: #daa520;
}

/* Título en el frente */
.flip-front-overlay h3 {
    font-size: 1.5rem;
    color: #ffffff;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Hint "Pasa el mouse" */
.flip-hint {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 5px;
}

/* ---- REVERSO ---- */
.flip-back {
    transform: rotateY(180deg);
    /* Empieza volteado */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 35px 30px;
}

/* Contenido del reverso */
.flip-back-contenido {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

/* Ícono en el reverso */
.flip-back-icono {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 5px;
}

.flip-back-icono i {
    font-size: 1.8rem;
    color: #ffffff;
}

/* Título en el reverso */
.flip-back-contenido h3 {
    font-size: 1.2rem;
    color: #ffffff;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Texto descriptivo en el reverso */
.flip-back-contenido p {
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Botón en el reverso */
.flip-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 9px 25px;
    border: 2px solid #ffffff;
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.85rem;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background-color 0.3s, color 0.3s;
}

.flip-btn:hover {
    background-color: #ffffff;
    color: #001226;
}

/* Variante blanca (para fondos de color) */
.flip-btn-blanco {
    border-color: #ffffff;
    color: #ffffff;
}

/* Variante oscura (para fondo dorado) */
.flip-btn-oscuro {
    border-color: #001226;
    color: #001226;
}

.flip-btn-oscuro:hover {
    background-color: #001226;
    color: #ffffff;
}


/* ============================================================
   5. RESPONSIVE
============================================================ */
@media (max-width: 900px) {
    .flip-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flip-fila-2 {
        grid-column: 1 / -1;
    }

    .flip-fila-2 .flip-card {
        width: calc(50% - 15px);
    }

    .flip-card {
        height: 380px;
    }
}

/* En escritorio: hover activa el flip */
@media (min-width: 769px) {
    .flip-card:hover .flip-inner {
        transform: rotateY(180deg);
    }
}

/* En móvil: clic activa el flip via JS */
@media (max-width: 768px) {
    .flip-card.active .flip-inner {
        transform: rotateY(180deg);
    }
}

@media (max-width: 580px) {
    .flip-grid {
        grid-template-columns: 1fr;
    }

    .flip-fila-2 {
        flex-direction: column;
        align-items: center;
    }

    .flip-fila-2 .flip-card {
        width: 100%;
    }

    .flip-card {
        height: 380px;
    }
}