/* =============================================
   REPERTORIO - FLIP CARDS
   Mariachi 2000 - Miami
   Nota: 1rem = 10px (html font-size: 62.5%)
   ============================================= */

.repertorio-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(28rem, 1fr));
    gap: 2.5rem;
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 2rem;
    margin-bottom: 6rem;
}

.flip-card {
    height: 42rem;
    perspective: 1000px;
}

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

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

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 1.6rem;
    overflow: hidden;
}

/* FRENTE DE LA TARJETA */
.flip-card-front {
    background: linear-gradient(180deg, var(--azul-marino, #01151f) 0%, var(--azul-marino-claro, #0a2c3d) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.flip-card-front .card-icon {
    width: 10rem;
    height: 10rem;
    background: linear-gradient(135deg, var(--dorado-principal, #fec611) 0%, var(--dorado-elegante, #D4AF37) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2.5rem;
    box-shadow: 0 1rem 3rem rgba(254, 198, 17, 0.3);
    transition: transform 0.3s ease;
}

.flip-card:hover .flip-card-front .card-icon {
    transform: scale(1.1);
}

.flip-card-front .card-icon i {
    font-size: 4rem;
    color: var(--azul-marino, #01151f);
}

.flip-card-front h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.8rem;
    color: #fff;
    margin: 0 0 1rem 0;
}

.flip-card-front .card-count {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    margin: 0;
}

.flip-card-front .hover-hint {
    position: absolute;
    bottom: 2.5rem;
    color: var(--dorado-principal, #fec611);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.flip-card:hover .flip-card-front .hover-hint {
    opacity: 1;
}

/* REVERSO DE LA TARJETA */
.flip-card-back {
    background: #fff;
    transform: rotateY(180deg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1rem 4rem rgba(0, 0, 0, 0.2);
}

.flip-card-back h4 {
    font-family: 'Cormorant Garamond', serif;
    color: var(--azul-marino, #01151f);
    font-size: 2.2rem;
    margin: 0 0 1.5rem 0;
    padding-bottom: 1.2rem;
    border-bottom: 0.3rem solid var(--dorado-principal, #fec611);
}

.flip-card-back ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.flip-card-back ul li {
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #333;
}

.flip-card-back ul li:last-child {
    border-bottom: none;
}

.flip-card-back ul li i {
    color: var(--dorado-elegante, #D4AF37);
    font-size: 1.4rem;
}

.flip-card-back .card-btn {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, var(--dorado-principal, #fec611) 0%, var(--dorado-elegante, #D4AF37) 100%);
    color: var(--azul-marino, #01151f);
    padding: 1.4rem 2rem;
    border-radius: 1rem;
    text-decoration: none;
    text-align: center;
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.flip-card-back .card-btn:hover {
    background: linear-gradient(135deg, var(--azul-marino, #01151f) 0%, var(--azul-marino-claro, #0a2c3d) 100%);
    color: var(--dorado-principal, #fec611);
    transform: translateY(-0.2rem);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .repertorio-cards-grid {
        gap: 2rem;
        padding: 0 1.5rem;
    }

    .flip-card {
        height: 38rem;
    }

    .flip-card-front .card-icon {
        width: 8rem;
        height: 8rem;
    }

    .flip-card-front .card-icon i {
        font-size: 3.2rem;
    }

    .flip-card-front h3 {
        font-size: 2.4rem;
    }

    .flip-card-back {
        padding: 2rem;
    }

    .flip-card-back h4 {
        font-size: 1.8rem;
    }

    .flip-card-back ul li {
        padding: 0.8rem 0;
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .repertorio-cards-grid {
        grid-template-columns: 1fr;
        max-width: 35rem;
    }

    .flip-card {
        height: 40rem;
    }
}

/* Soporte para dispositivos táctiles */
@media (hover: none) {
    .flip-card-front .hover-hint {
        display: none;
    }

    .flip-card-front::after {
        content: 'Toca para ver canciones';
        position: absolute;
        bottom: 2.5rem;
        color: var(--dorado-principal, #fec611);
        font-size: 1.4rem;
    }
}