* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Poppins', 'Helvetica Neue', sans-serif;
            background: #f9fafc;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Poppins', 'Helvetica Neue', sans-serif;
            background: #ffffff;
            color: #1a2c3e;
            line-height: 1.5;
        }

        /* ========== SECTION 1: BLOG HERO (prefix: sec1-) ========== */
.sec1-blog-hero {
    padding: 80px 0;
    background: #ffffff;
}

.sec1-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.sec1-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
}

.sec1-left {
    flex: 1;
    min-width: 280px;
}

.sec1-right {
    flex: 1;
    min-width: 280px;
}

/* ===== Left Column Typography ===== */
.sec1-kicker {
    display: inline-block;
    background: #eef2ff;
    color: #1E6DF2;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 6px 16px;
    border-radius: 40px;
    margin-bottom: 24px;
}

.sec1-headline {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: #0A2540;
    margin-bottom: 20px;
}

.sec1-green-highlight {
    color: #4CAF50;
}

.sec1-description {
    font-size: 1rem;
    color: #4a5c72;
    line-height: 1.6;
    margin-bottom: 32px;
}

.sec1-description br {
    display: block;
}

/* ===== Search Bar Component ===== */
.sec1-search-wrapper {
    display: flex;
    max-width: 450px;
}

.sec1-search-input {
    flex: 1;
    padding: 14px 18px;
    font-size: 0.9rem;
    font-family: inherit;
    border: 1.5px solid #e0e7ed;
    border-radius: 12px 0 0 12px;
    outline: none;
    transition: border-color 0.2s;
    color: #1a2c3e;
}

.sec1-search-input:focus {
    border-color: #1E6DF2;
}

.sec1-search-input::placeholder {
    color: #a0b3c9;
}

.sec1-search-btn {
    background: #1E6DF2;
    border: none;
    padding: 0 20px;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sec1-search-btn i {
    color: white;
    font-size: 1.1rem;
}

.sec1-search-btn:hover {
    background: #0E5AD6;
}

/* ===== Right Column Image ===== */
.sec1-hero-image {
    width: 100%;
    height: auto;
    border-radius: 32px;
    display: block;
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.1);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .sec1-headline {
        font-size: 2.5rem;
    }
}

@media (max-width: 880px) {
    .sec1-blog-hero {
        padding: 60px 0;
    }
    
    .sec1-grid {
        flex-direction: column;
        gap: 40px;
    }
    
    .sec1-left {
        text-align: center;
    }
    
    .sec1-headline {
        font-size: 2rem;
    }
    
    .sec1-description br {
        display: none;
    }
    
    .sec1-search-wrapper {
        margin: 0 auto;
        max-width: 100%;
    }
    
    .sec1-search-input {
        padding: 12px 16px;
    }
    
    .sec1-search-btn {
        padding: 0 18px;
    }
    
    .sec1-hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 560px) {
    .sec1-blog-hero {
        padding: 50px 0;
    }
    
    .sec1-headline {
        font-size: 1.6rem;
    }
    
    .sec1-kicker {
        font-size: 0.7rem;
    }
    
    .sec1-description {
        font-size: 0.9rem;
    }
    
    .sec1-search-input {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .sec1-search-btn {
        padding: 0 14px;
    }
    
    .sec1-search-btn i {
        font-size: 0.9rem;
    }
}

/* ========== SECTION 2: BLOG FEED (prefix: sec2-) ========== */
.sec2-blog-feed {
    padding: 60px 0 80px;
    background: #f9fafc;
}

.sec2-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.sec2-main-row {
    display: flex;
    gap: 40px;
}

.sec2-blog-main {
    flex: 2.5;
    min-width: 0;
}

.sec2-sidebar {
    flex: 1.2;
    min-width: 260px;
}

/* ===== Category Tabs ===== */
.sec2-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.sec2-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: white;
    border: 1px solid #e0e7ed;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a5c72;
    cursor: pointer;
    transition: all 0.2s;
}

.sec2-tab i {
    font-size: 0.85rem;
}

.sec2-tab:hover {
    border-color: #1E6DF2;
    color: #1E6DF2;
}

.sec2-tab-active {
    background: #1E6DF2;
    border-color: #1E6DF2;
    color: white;
}

/* ===== Blog Grid ===== */
.sec2-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 48px;
}

.sec2-blog-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s, box-shadow 0.2s;
}

.sec2-blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.sec2-card-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.sec2-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sec2-card-content {
    padding: 20px;
}

.sec2-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.7rem;
}

.sec2-category {
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.sec2-cat-blue { background: #eef2ff; color: #1E6DF2; }
.sec2-cat-green { background: #e8f5e9; color: #4CAF50; }
.sec2-cat-purple { background: #f3e8ff; color: #9C27B0; }
.sec2-cat-orange { background: #fff3e0; color: #F97316; }

.sec2-date {
    color: #8ba0bc;
}

.sec2-date i {
    margin-right: 4px;
}

.sec2-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #0A2540;
    margin-bottom: 10px;
    line-height: 1.4;
}

.sec2-card-excerpt {
    font-size: 0.8rem;
    color: #5b6e8c;
    line-height: 1.5;
    margin-bottom: 16px;
}

.sec2-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

.sec2-read-more {
    color: #1E6DF2;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sec2-read-more i {
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.sec2-read-more:hover i {
    transform: translateX(4px);
}

.sec2-read-time {
    color: #8ba0bc;
}

.sec2-read-time i {
    margin-right: 4px;
}

/* ===== Pagination ===== */
.sec2-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.sec2-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: white;
    border: 1px solid #e0e7ed;
    border-radius: 10px;
    color: #4a5c72;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.sec2-page:hover {
    border-color: #1E6DF2;
    color: #1E6DF2;
}

.sec2-page-active {
    background: #1E6DF2;
    border-color: #1E6DF2;
    color: white;
}

.sec2-page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #8ba0bc;
}

.sec2-next {
    width: auto;
    padding: 0 12px;
}

/* ===== Sidebar Widgets ===== */
.sec2-widget {
    background: white;
    border: 1px solid #eef2f0;
    border-radius: 20px;
    padding: 28px 24px;
    margin-bottom: 30px;
}

.sec2-widget-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0A2540;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.sec2-widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: #4CAF50;
    border-radius: 3px;
}

/* About Widget */
.sec2-widget-icon {
    width: 60px;
    height: 60px;
    background: #eef2ff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.sec2-widget-icon i {
    font-size: 1.8rem;
    color: #1E6DF2;
}

.sec2-widget-text {
    font-size: 0.85rem;
    color: #5b6e8c;
    line-height: 1.6;
    margin-bottom: 18px;
}

.sec2-widget-link {
    color: #1E6DF2;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Popular Posts */
.sec2-popular-list {
    margin-bottom: 24px;
}

.sec2-popular-item {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
}

.sec2-popular-img {
    width: 55px;
    height: 55px;
    background: #eef2f0;
    border-radius: 12px;
    flex-shrink: 0;
}

.sec2-popular-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.sec2-popular-info h4 a {
    color: #0A2540;
    text-decoration: none;
}

.sec2-popular-info h4 a:hover {
    color: #1E6DF2;
}

.sec2-popular-info span {
    font-size: 0.7rem;
    color: #8ba0bc;
}

.sec2-popular-info span i {
    margin-right: 4px;
}

.sec2-widget-btn {
    display: block;
    text-align: center;
    background: white;
    border: 1.5px solid #1E6DF2;
    border-radius: 40px;
    padding: 10px;
    color: #1E6DF2;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.sec2-widget-btn:hover {
    background: #1E6DF2;
    color: white;
}

/* Categories List */
.sec2-categories-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sec2-category-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: #4a5c72;
    font-size: 0.9rem;
    padding: 6px 0;
    border-bottom: 1px solid #eef2f0;
}

.sec2-category-row:hover {
    color: #1E6DF2;
}

.sec2-category-count {
    background: #eef2ff;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #1E6DF2;
}

/* Newsletter Widget */
.sec2-newsletter {
    background: #0A2540;
    border: none;
}

.sec2-newsletter .sec2-widget-title {
    color: white;
}

.sec2-newsletter .sec2-widget-title::after {
    background: #4CAF50;
}

.sec2-newsletter-text {
    color: #cbd5e6;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.sec2-newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sec2-newsletter-input {
    padding: 12px 16px;
    border: none;
    border-radius: 12px;
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
}

.sec2-newsletter-btn {
    background: #4CAF50;
    border: none;
    padding: 12px;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sec2-newsletter-btn:hover {
    background: #43a047;
}

.sec2-newsletter-note {
    font-size: 0.7rem;
    color: #8ba0bc;
    margin-top: 16px;
    text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
    .sec2-blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 880px) {
    .sec2-main-row {
        flex-direction: column;
    }
    
    .sec2-blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sec2-sidebar {
        order: 2;
    }
}

@media (max-width: 640px) {
    .sec2-blog-grid {
        grid-template-columns: 1fr;
    }
    
    .sec2-category-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    
    .sec2-tab {
        white-space: nowrap;
    }
    
    .sec2-widget {
        padding: 20px;
    }
}

/* Additional CSS for filtering */
.sec2-blog-card {
    transition: display 0.3s ease;
}

.sec2-no-results {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}