/* ============================================
   ESTILOS PARA ÚTILES ESCOLARES
   ============================================ */

.utiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.utiles-item {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

/* Colores por nivel */
.utiles-item[data-nivel="prekinder"] { border-left: 5px solid #FF6B6B; }
.utiles-item[data-nivel="kinder"] { border-left: 5px solid #4ECDC4; }
.utiles-item[data-nivel="1basico"] { border-left: 5px solid #45B7D1; }
.utiles-item[data-nivel="2basico"] { border-left: 5px solid #96CEB4; }
.utiles-item[data-nivel="3basico"] { border-left: 5px solid #FFEAA7; }
.utiles-item[data-nivel="4basico"] { border-left: 5px solid #DDA0DD; }
.utiles-item[data-nivel="5basico"] { border-left: 5px solid #98D8C8; }
.utiles-item[data-nivel="6basico"] { border-left: 5px solid #F7B787; }
.utiles-item[data-nivel="7basico"] { border-left: 5px solid #B5EAD7; }
.utiles-item[data-nivel="8basico"] { border-left: 5px solid #FFB347; }

.utiles-item a {
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 20px;
    gap: 15px;
    transition: all 0.3s ease;
}

.utiles-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.15);
}

.utiles-item:hover a {
    background: rgba(0, 0, 0, 0.02);
}

.utiles-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.utiles-item:hover .utiles-icon {
    transform: scale(1.05) rotate(5deg);
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
}

.utiles-icon img {
    width: 35px;
    height: 35px;
    filter: brightness(0) invert(1);
}

.utiles-info {
    flex: 1;
}

.utiles-info h4 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.utiles-item:hover .utiles-info h4 {
    color: #e74c3c;
}

.utiles-info p {
    margin: 0 0 10px 0;
    font-size: 0.85rem;
    color: #7f8c8d;
}

.utiles-btn {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #e74c3c;
    transition: all 0.3s ease;
    position: relative;
}

.utiles-btn::after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
    display: inline-block;
}

.utiles-item:hover .utiles-btn::after {
    transform: translateX(5px);
}

/* Efecto de onda al hacer clic */
.utiles-item:active {
    transform: scale(0.98);
}

/* Responsive */
@media (max-width: 768px) {
    .utiles-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .utiles-item a {
        padding: 15px;
    }
    
    .utiles-icon {
        width: 50px;
        height: 50px;
    }
    
    .utiles-icon img {
        width: 28px;
        height: 28px;
    }
    
    .utiles-info h4 {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .utiles-grid {
        grid-template-columns: 1fr;
    }
}

/* Animación de entrada (opcional, requiere wow.js) */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.utiles-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.utiles-item:nth-child(1) { animation-delay: 0.1s; }
.utiles-item:nth-child(2) { animation-delay: 0.2s; }
.utiles-item:nth-child(3) { animation-delay: 0.3s; }
.utiles-item:nth-child(4) { animation-delay: 0.4s; }
.utiles-item:nth-child(5) { animation-delay: 0.5s; }
.utiles-item:nth-child(6) { animation-delay: 0.6s; }
.utiles-item:nth-child(7) { animation-delay: 0.7s; }
.utiles-item:nth-child(8) { animation-delay: 0.8s; }
.utiles-item:nth-child(9) { animation-delay: 0.9s; }
.utiles-item:nth-child(10) { animation-delay: 1.0s; }