/* ===================================
   BLOG PAGE STYLES
   World-Class Blog Design
   =================================== */

/* ===================================
   BLOG HERO
   =================================== */
.blog-hero {
    position: relative;
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--secondary) 100%);
    overflow: hidden;
}

.blog-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(43, 53, 224, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(43, 53, 224, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(71, 80, 245, 0.08) 0%, transparent 40%);
    animation: blogHeroBg 20s ease-in-out infinite;
}

@keyframes blogHeroBg {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.blog-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.blog-hero-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-light);
    margin-bottom: 20px;
    padding: 8px 20px;
    background: rgba(43, 53, 224, 0.2);
    border-radius: 50px;
}

.blog-hero-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.blog-hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* ===================================
   BLOG CATEGORIES
   =================================== */
.blog-categories {
    padding: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 72px;
    z-index: 50;
}

.categories-wrapper {
    display: flex;
    gap: 8px;
    padding: 20px 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.categories-wrapper::-webkit-scrollbar {
    display: none;
}

.category-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.category-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.category-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* ===================================
   FEATURED POST
   =================================== */
.featured-post {
    padding: 60px 0;
    background: var(--gray-50);
}

.featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.featured-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.featured-image {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-image-placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.featured-badge {
    position: absolute;
    top: 24px;
    left: 24px;
    padding: 8px 16px;
    background: var(--white);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
}

.featured-content {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.post-category {
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-category.technology {
    background: rgba(43, 53, 224, 0.1);
    color: var(--primary);
}

.post-category.career {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.post-category.product {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.post-category.insights {
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
}

.post-date {
    font-size: 14px;
    color: var(--gray-500);
}

.featured-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.featured-excerpt {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 32px;
}

.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
}

.author-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.read-more-btn:hover {
    background: var(--primary-dark);
    transform: translateX(4px);
}

.read-more-btn svg {
    transition: transform 0.3s ease;
}

.read-more-btn:hover svg {
    transform: translateX(4px);
}

/* ===================================
   BLOG GRID
   =================================== */
.blog-grid-section {
    padding: 60px 0 100px;
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-6px);
}

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.blog-card:nth-child(1) .blog-card-image {
    background: linear-gradient(135deg, #6B73F0 0%, #4750F5 100%);
}

.blog-card:nth-child(2) .blog-card-image {
    background: linear-gradient(135deg, #14B8A6 0%, #0d9488 100%);
}

.blog-card:nth-child(3) .blog-card-image {
    background: linear-gradient(135deg, #2B35E0 0%, #1E28B8 100%);
}

.blog-card:nth-child(4) .blog-card-image {
    background: linear-gradient(135deg, #8B5CF6 0%, #7c3aed 100%);
}

.blog-card:nth-child(5) .blog-card-image {
    background: linear-gradient(135deg, #F59E0B 0%, #d97706 100%);
}

.blog-card:nth-child(6) .blog-card-image {
    background: linear-gradient(135deg, #0D1B3E 0%, #1a2d5a 100%);
}

.blog-image-placeholder {
    color: rgba(255, 255, 255, 0.4);
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-image-placeholder {
    transform: scale(1.1);
}

.blog-card-content {
    padding: 28px;
}

.blog-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1.4;
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.card-read-more:hover {
    gap: 10px;
}

.card-read-more svg {
    transition: transform 0.3s ease;
}

.card-read-more:hover svg {
    transform: translateX(4px);
}

/* ===================================
   LOAD MORE
   =================================== */
.load-more-wrapper {
    text-align: center;
    margin-top: 60px;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(43, 53, 224, 0.05);
}

.load-more-btn svg {
    transition: transform 0.3s ease;
}

.load-more-btn:hover svg {
    transform: translateY(3px);
}

/* ===================================
   NEWSLETTER SECTION
   =================================== */
.newsletter-section {
    padding: 0 0 100px;
    background: var(--gray-50);
}

.newsletter-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    overflow: hidden;
}

.newsletter-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.newsletter-content {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.newsletter-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.newsletter-text h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.newsletter-text p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    max-width: 400px;
}

.newsletter-form {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.newsletter-input-group {
    display: flex;
    gap: 12px;
}

.newsletter-input-group input {
    width: 280px;
    padding: 16px 24px;
    border: none;
    border-radius: 50px;
    font-family: var(--font);
    font-size: 15px;
    outline: none;
    background: var(--white);
}

.newsletter-input-group input::placeholder {
    color: var(--gray-400);
}

.newsletter-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: var(--gray-900);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-submit:hover {
    background: var(--gray-800);
    transform: translateX(4px);
}

.newsletter-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 12px;
    text-align: right;
}

/* ===================================
   ANIMATIONS
   =================================== */
.blog-card,
.featured-card {
    opacity: 0;
    transform: translateY(30px);
    animation: blogCardAppear 0.6s ease forwards;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes blogCardAppear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .blog-hero-title {
        font-size: 44px;
    }

    .featured-card {
        grid-template-columns: 1fr;
    }

    .featured-image {
        min-height: 280px;
    }

    .featured-content {
        padding: 36px;
    }

    .featured-title {
        font-size: 26px;
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .newsletter-card {
        flex-direction: column;
        gap: 40px;
        padding: 48px;
        text-align: center;
    }

    .newsletter-content {
        flex-direction: column;
        align-items: center;
    }

    .newsletter-text p {
        max-width: 100%;
    }

    .newsletter-form {
        width: 100%;
    }

    .newsletter-input-group {
        flex-direction: column;
        max-width: 400px;
        margin: 0 auto;
    }

    .newsletter-input-group input {
        width: 100%;
    }

    .newsletter-note {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 80px 0 60px;
    }

    .blog-hero-title {
        font-size: 36px;
    }

    .blog-hero-description {
        font-size: 16px;
    }

    .blog-categories {
        top: 64px;
    }

    .categories-wrapper {
        padding: 16px 0;
    }

    .category-btn {
        padding: 8px 18px;
        font-size: 13px;
    }

    .featured-post {
        padding: 40px 0;
    }

    .featured-content {
        padding: 28px;
    }

    .featured-title {
        font-size: 22px;
    }

    .featured-excerpt {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .blog-grid-section {
        padding: 40px 0 80px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .blog-card-image {
        height: 180px;
    }

    .blog-card-content {
        padding: 24px;
    }

    .newsletter-section {
        padding: 0 0 60px;
    }

    .newsletter-card {
        padding: 36px 24px;
        border-radius: 16px;
    }

    .newsletter-icon {
        width: 56px;
        height: 56px;
    }

    .newsletter-text h3 {
        font-size: 20px;
    }

    .newsletter-submit {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .blog-hero-title {
        font-size: 28px;
    }

    .featured-image {
        min-height: 200px;
    }

    .featured-title {
        font-size: 20px;
    }

    .read-more-btn {
        width: 100%;
        justify-content: center;
    }

    .load-more-btn {
        width: 100%;
        justify-content: center;
    }
}