/* Content container */
        .content-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Brochure cards */
        .brochure-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 51, 102, 0.12);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            margin-bottom: 30px;
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .brochure-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 51, 102, 0.2);
        }
        
        .card-cover {
            height: 250px;
            overflow: hidden;
            position: relative;
        }
        
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .brochure-card:hover .card-cover img {
            transform: scale(1.05);
        }
        
        .card-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--accent-color);
            color: var(--primary-color);
            padding: 6px 15px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            z-index: 2;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        }
        
        .card-date {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 5px 15px;
            border-radius: 30px;
            font-size: 0.85rem;
            z-index: 2;
        }
        
        .card-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .card-title {
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            transition: color 0.3s ease;
        }
        
        .brochure-card:hover .card-title {
            color: var(--secondary-color);
        }
        
        .card-text {
            color: #555;
            line-height: 1.7;
            margin-bottom: 25px;
            flex-grow: 1;
        }
        
        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 25px 25px;
        }
        
        .badge-custom {
            background: rgba(0, 86, 179, 0.1);
            color: var(--secondary-color);
            font-weight: 600;
            padding: 6px 15px;
            border-radius: 30px;
            margin-right: 8px;
            margin-bottom: 8px;
            display: inline-block;
            transition: all 0.3s ease;
        }
        
        .badge-custom:hover {
            background: rgba(0, 86, 179, 0.2);
            transform: translateY(-2px);
        }
        
        .btn-details {
            background: var(--theme-color4);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 10px 25px;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            box-shadow: 0 4px 12px rgba(0, 51, 102, 0.2);
        }
        
        .btn-details:hover {
            background: var(--theme-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 86, 179, 0.3);color: #ffffff;
        }
        
        .btn-details i {
            margin-left: 8px;
            transition: transform 0.3s ease;
        }
        
        .btn-details:hover i {
            transform: translateX(5px);
        }
        
        /* Category filter */
        .category-filter {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 8px 30px rgba(0, 51, 102, 0.1);
            margin-bottom: 40px;
        }
        
        .filter-title {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
        }
        
        .filter-title i {
            margin-right: 12px;
            color: var(--accent-color);
        }
        
        .filter-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        
        .filter-btn {
            background: rgba(0, 51, 102, 0.08);
            color: var(--primary-color);
            border: none;
            border-radius: 30px;
            padding: 8px 20px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background: var(--primary-color);
            color: white;
        }