/* Tarjeta bancaria 3D */
.card-3d-wrapper {
    perspective: 800px;
}

.card-3d {
    transform: rotateX(0deg) rotateY(0deg);
    transform-style: preserve-3d;
    transition: transform 0.4s ease;
    border-radius: 1rem;
    filter: drop-shadow(4px 10px 18px rgba(0,0,0,0.35));
}

.card-3d:hover {
    transform: rotateX(6deg) rotateY(-8deg) scale(1.03);
}

.card-3d-front {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
    border-radius: 1rem;
    padding: 1.25rem 1.25rem 1rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    min-height: 9rem;
}

.card-3d-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 50%);
    border-radius: 1rem;
    pointer-events: none;
}

.card-3d-front::after {
    content: '';
    position: absolute;
    top: -3rem;
    right: -3rem;
    width: 9rem;
    height: 9rem;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    pointer-events: none;
}

.card-3d-bank {
    font-size: 0.8rem;
    opacity: 0.8;
    letter-spacing: 0.05em;
}

.card-3d-chip {
    width: 2.2rem;
    height: 1.6rem;
    background: linear-gradient(135deg, #d4af37, #f0d060, #b8860b);
    border-radius: 0.25rem;
    margin: 0.6rem 0;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    padding: 0.25rem 0.3rem;
    box-shadow: inset 0 0 4px rgba(0,0,0,0.3);
}

.card-3d-chip-line {
    height: 2px;
    background: rgba(0,0,0,0.25);
    border-radius: 1px;
}

.card-3d-number {
    font-size: 1rem;
    letter-spacing: 0.15em;
    font-family: 'Courier New', monospace;
    margin: 0.4rem 0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.card-3d-label {
    font-size: 0.6rem;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.card-3d-value {
    font-size: 0.82rem;
    font-weight: 500;
}

.card-3d-copy-btn {
    color: rgba(255,255,255,0.75);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 0.5rem;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    backdrop-filter: blur(4px);
    background: rgba(255,255,255,0.1);
    transition: background 0.2s;
}

.card-3d-copy-btn:hover {
    background: rgba(255,255,255,0.22);
    color: #fff;
}

/* ===== QR hover effect ===== */
#qr-album-link {
    display: inline-block;
    text-decoration: none;
}

#qr-album-link .qr-img-wrapper {
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.35s ease;
    border-radius: 1rem;
    display: inline-block;
}

#qr-album-link:hover .qr-img-wrapper,
#qr-album-link:focus .qr-img-wrapper {
    transform: scale(1.08) rotate(-2deg);
    box-shadow: 0 14px 36px rgba(92, 61, 46, 0.35);
}

#qr-album-link img {
    transition: filter 0.35s ease;
}

#qr-album-link:hover img,
#qr-album-link:focus img {
    filter: brightness(1.08) drop-shadow(0 0 10px rgba(200, 169, 126, 0.6));
}

#qr-album-link .qr-badge {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0 !important;
    transform: translateY(4px);
}

#qr-album-link:hover .qr-badge,
#qr-album-link:focus .qr-badge {
    opacity: 1 !important;
    transform: translateY(0);
}