.pdf-hero {
    background: linear-gradient(135deg, #0d3b66, #1b6ca8);
    padding: 60px 20px;
    margin-bottom: 40px;
    border-radius: 0 0 30px 30px;
}

.pdf-hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    color: #ffffff;
    animation: fadeUp 1s ease;
}

.pdf-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.pdf-hero h2 {
    font-size: 2.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.pdf-hero p {
    font-size: 1.1rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* Animación suave */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 576px) {
    .pdf-hero h2 {
        font-size: 1.6rem;
    }
    .pdf-hero p {
        font-size: 1rem;
    }
}
.pdf-gallery {
    padding: 40px;
    text-align: center;
}

.pdf-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    padding: 20px;
}

.pdf-item {
    padding: 10px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.pdf-mini {
    width: 100%;
    height: 200px;
    border: 1px solid #ccc;
    border-radius: 8px;
    pointer-events: none;
}

.pdf-item:hover .pdf-mini {
    transform: scale(1.02);
    transition: 0.2s;
}

.pdf-item p {
    margin-top: 10px;
    font-weight: bold;
}

.download-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 12px;
    background: rgba(22,34,57,0.85);
    color: white;
    border-radius: 5px;
    text-decoration: none;
}

.download-btn:hover {
    background: #f5a425;
    color: #000000;
}