/* Logo Grid Hover Plugin - CSS com Efeito Flip */

.logo-grid-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.logo-grid-title {
    text-align: center;
    color: white;
    font-size: 2.5rem;
    margin-bottom: 40px;
    font-weight: 300;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    perspective: 1000px;
}

/* Cartão com efeito flip */
.logo-flip-card {
    background-color: transparent;
    width: 100%;
    height: 250px;
    perspective: 1000px;
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 0.8s ease-out forwards;
}

.logo-flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    cursor: pointer;
}

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

.logo-flip-card-front, 
.logo-flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

/* Frente do cartão (Logo) */
.logo-flip-card-front {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Verso do cartão (Descrição) */
.logo-flip-card-back {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    transform: rotateY(180deg);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Logo/Imagem */
.logo-image {
    max-width: 120px;
    max-height: 80px;
    object-fit: contain;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo-flip-card:hover .logo-image {
    transform: scale(1.05);
}

/* Placeholder para quando não há logo */
.logo-placeholder {
    width: 120px;
    height: 80px;
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    border: 2px dashed #ccc;
    font-size: 14px;
    color: #666;
}

/* Nome da empresa */
.logo-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin: 0;
    text-align: center;
    line-height: 1.3;
}

/* Descrição no verso */
.logo-description {
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.logo-description h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 15px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.logo-description p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
    opacity: 0.95;
    text-align: center;
}

/* Animações */
@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Efeitos adicionais no hover */
.logo-flip-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b, #fb5607);
    background-size: 300% 300%;
    border-radius: 17px;
    z-index: -1;
    animation: gradientShift 3s ease infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.logo-flip-card:hover::before {
    opacity: 1;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Responsividade */
@media (max-width: 768px) {
    .logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .logo-grid-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .logo-flip-card {
        height: 220px;
    }
    
    .logo-image {
        max-width: 100px;
        max-height: 70px;
    }
    
    .logo-name {
        font-size: 1.1rem;
    }
    
    .logo-description h3 {
        font-size: 1.2rem;
    }
    
    .logo-description p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .logo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .logo-grid-container {
        margin: 20px auto;
        padding: 15px;
    }
    
    .logo-grid-title {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .logo-flip-card {
        height: 200px;
    }
}

/* Melhorias visuais */
.logo-flip-card-front {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
}

.logo-flip-card-back {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.logo-flip-card-back::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    border-radius: 15px;
    opacity: 0.3;
}