/* Loader */
    .header-cs h2 {
        font-size: 2.5rem;
        color: var(--vimeo-text);
        margin: 1.5rem auto;
        text-align: center;
        font-weight: 700;
        position: relative;
        padding-bottom: 15px;
        transition: 0.5s ease all;
        width: fit-content;
    }
    .header-cs h2::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background: #d13a47;
        border-radius: 2px;
        transition: 0.5s ease all;
    }
    .header-cs h2:hover::after {
            width: 100%;
        }
    .newsletter-loader { 
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.95);
        z-index: 10;
        border-radius: 8px;
    }
    .newsletter-loader__spinner {
        width: 40px; 
        height: 40px; 
        margin: 0 auto 10px; 
        border: 3px solid #f3f3f3;
        border-top: 3px solid #d13a47; 
        border-radius: 50%;
        animation: spin 0.8s linear infinite;
    }
    .newsletter-loader__text { 
        color: #333; 
        font-size: 14px; 
        font-weight: 500;
    }
    @keyframes spin { 
            to { transform: rotate(360deg); } 
        }
        
    /* Header */
    .header-cs h2::after {
        transition: 0.5s ease all;
    }
    .header-cs h2:hover::after {
        width: 100%;
    }

    /* Grid */
    .newsletter-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
        margin: 0;
        transition: opacity 0.3s ease;
    }
    @media (min-width: 768px) {
        .newsletter-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
    }
    @media (min-width: 1200px) {
        .newsletter-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
    }
    .newsletter-grid.loading {
        opacity: 0.6;
        pointer-events: none;
    }

    /* Cards */
    .newsletter-card {
        background: #fff;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
        margin-bottom: 24px;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.5s ease forwards;
        will-change: transform, opacity;
        cursor: pointer;
        display: flex;
        flex-direction: column;
    }
    .newsletter-card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        display: block;
        transition: transform 0.5s ease;
    }
    .newsletter-card:hover img {
        transform: scale(1.05);
    }
    .newsletter-card h3 {
        font-size: 1rem;
        text-align: left;
        padding: 15px;
        margin: 0;
        font-weight: 600;
        color: #2c3e50;
        line-height: 1.5;
        flex-grow: 1;
        background: #fff;
        transition: all 0.3s ease;
    }
    .newsletter-card:hover h3 {
        color: #e54352;
    }

    /* Category Filter */
    .newsletter-category-filter {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
        padding: 20px 15px 30px;
        margin: 0 auto 20px;
        max-width: 1200px;
        position: relative;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        border: 1px solid #e8e8e8;
    }
    .newsletter-filter-btn {
        background: #fff;
        color: #2c3e50;
        font-weight: 600;
        padding: 10px 24px;
        border: 2px solid #e8e8e8;
        border-radius: 50px;
        cursor: pointer;
        white-space: nowrap;
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        font-size: 0.9rem;
        letter-spacing: 0.3px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        position: relative;
        overflow: hidden;
        z-index: 1;
    }
    .newsletter-filter-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 0;
        height: 100%;
        background: linear-gradient(135deg, #e54352, #d13a47);
        transition: width 0.4s ease;
        z-index: -1;
        border-radius: 50px;
    }
    .newsletter-filter-btn:hover::before { width: 100%; }
    .newsletter-filter-btn:hover {
        color: #fff;
        border-color: transparent;
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(229, 67, 82, 0.25);
    }
    .newsletter-filter-btn.active {
        background: linear-gradient(135deg, #e54352, #d13a47);
        color: #fff;
        border-color: transparent;
        font-weight: 600;
    }

    /* No Data */
    .no-data {
        grid-column: 1 / -1;
        text-align: center;
        font-size: 1.1rem;
        color: #6c757d;
        padding: 60px 20px;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        margin: 20px 0;
        font-weight: 500;
    }
    .no-data:before {
        content: '\f126';
        font-family: dashicons;
        display: block;
        font-size: 3rem;
        margin-bottom: 15px;
        color: #d1d5db;
    }

    /* Animations */
    @keyframes fadeInUp {
        to { opacity: 1; transform: translateY(0); }
    }
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    /* Responsive */
    @media (max-width: 1024px) { .newsletter-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 20px 15px; } }
    @media (max-width: 768px) {
        .newsletter-grid { grid-template-columns: 1fr; gap: 15px; padding: 15px 10px; }
        .newsletter-category-filter { justify-content: flex-start; overflow-x: auto; padding: 15px 10px 25px; margin: 0 -15px 20px; border-radius: 0; }
        .newsletter-filter-btn { flex: 0 0 auto; padding: 8px 18px; font-size: 0.85rem; }
    }
    @media (max-width: 480px) {
        .newsletter-filter-btn { padding: 7px 16px; font-size: 0.8rem; }
        .header-cs h2 { font-size: 1.75rem; padding: 0 15px 15px; }
    }