/* ===================================
   Blog Page - Premium Styles
   =================================== */

/* Blog Hero Section */
.blog-hero {
    padding: 140px 0 60px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #8B5CF6 100%);
}

.blog-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.blog-hero__shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.blog-hero__shapes .shape--1 {
    width: 400px;
    height: 400px;
    background: #fff;
    top: -100px;
    right: 10%;
}

.blog-hero__shapes .shape--2 {
    width: 300px;
    height: 300px;
    background: #06B6D4;
    bottom: -100px;
    left: 10%;
}

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

.blog-hero__content h1 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.blog-hero__content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Blog Filter Section */
.blog-filters {
    padding: 40px 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
}

.blog-filters__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 24px;
    align-items: end;
}

.filter-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.search-input-wrapper {
    position: relative;
}

.search-input-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.875rem;
}

.blog-search-input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.938rem;
    font-family: inherit;
    background: var(--white);
    transition: var(--transition);
}

.blog-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.blog-search-input::placeholder {
    color: var(--gray-400);
}

.filter-select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.938rem;
    font-family: inherit;
    background: var(--white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.category-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.category-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

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

.category-tag i {
    font-size: 0.75rem;
}

/* Blog Main Section */
.blog-main {
    padding: 60px 0 80px;
    background: var(--gray-50);
}

.section-header--left {
    text-align: left;
}

.section-header--left h2 {
    font-size: 1.75rem;
    margin-bottom: 32px;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-bottom: 50px;
}

/* Blog Card */
.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.blog-card__link {
    display: flex;
    height: 100%;
}

.blog-card__image {
    position: relative;
    width: 280px;
    min-width: 280px;
    overflow: hidden;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.08);
}

.blog-card__category {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-700);
    box-shadow: var(--shadow-md);
}

.blog-card__category i {
    font-size: 0.688rem;
    color: var(--primary);
}

.blog-card__content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.blog-card__meta .date,
.blog-card__meta .read-time {
    font-size: 0.813rem;
    color: var(--gray-500);
}

.blog-card__meta .read-time {
    position: relative;
    padding-left: 16px;
}

.blog-card__meta .read-time::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--gray-400);
    border-radius: 50%;
}

.blog-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--gray-900);
    margin-bottom: 10px;
    transition: var(--transition);
}

.blog-card:hover .blog-card__title {
    color: var(--primary);
}

.blog-card__excerpt {
    font-size: 0.938rem;
    line-height: 1.6;
    color: var(--gray-600);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pagination__btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
}

.pagination__btn:hover:not(.pagination__btn--disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.pagination__btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination__numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination__num {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.pagination__num:hover:not(.active) {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

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

.pagination__dots {
    padding: 0 8px;
    color: var(--gray-400);
}

/* Newsletter Section */
.newsletter {
    padding: 80px 0;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
}

.newsletter__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.newsletter__content {
    flex: 1;
}

.newsletter__icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.newsletter__icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.newsletter__content h2 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 12px;
}

.newsletter__content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.063rem;
    line-height: 1.7;
    margin: 0;
}

.newsletter__form {
    flex: 1;
    max-width: 500px;
}

.newsletter__input-wrapper {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.newsletter__input-wrapper input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
}

.newsletter__input-wrapper input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter__input-wrapper .btn {
    padding: 16px 28px;
    white-space: nowrap;
}

.newsletter__hint {
    font-size: 0.813rem;
    color: rgba(255, 255, 255, 0.7);
    padding-left: 4px;
}

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-700);
    font-size: 1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .blog-filters__wrapper {
        grid-template-columns: 1fr 1fr;
    }

    .filter-group--categories {
        grid-column: 1 / -1;
    }

    .blog-grid {
        gap: 24px;
    }

    .blog-card__image {
        width: 240px;
        min-width: 240px;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 120px 0 50px;
    }

    .blog-hero__content h1 {
        font-size: 1.75rem;
    }

    .blog-hero__content p {
        font-size: 1rem;
    }

    .blog-filters {
        padding: 30px 0;
    }

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

    .category-tags {
        gap: 8px;
    }

    .category-tag {
        padding: 8px 14px;
        font-size: 0.813rem;
    }

    .blog-main {
        padding: 40px 0 60px;
    }

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

    .blog-card__link {
        flex-direction: column;
    }

    .blog-card__image {
        width: 100%;
        min-width: 100%;
        height: 200px;
    }

    .blog-card__content {
        padding: 20px;
    }

    .blog-card__title {
        font-size: 1rem;
    }

    .newsletter {
        padding: 50px 0;
    }

    .newsletter__wrapper {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .newsletter__icon {
        margin: 0 auto 16px;
    }

    .newsletter__content h2 {
        font-size: 1.5rem;
    }

    .newsletter__form {
        width: 100%;
    }

    .newsletter__input-wrapper {
        flex-direction: column;
    }

    .newsletter__input-wrapper .btn {
        width: 100%;
        justify-content: center;
    }

    .scroll-top {
        right: 20px;
        bottom: 80px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .category-tags {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .category-tags::-webkit-scrollbar {
        display: none;
    }

    .category-tag {
        flex-shrink: 0;
    }
}