/* =============================================
   Blog Page Styles
   ============================================= */

/* ---------- Blog Hero ---------- */
.blog-hero {
    position: relative;
    padding: 10rem 0 5rem;
    text-align: center;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(90, 175, 204, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.blog-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    background: var(--color-glass-light);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease;
}

.blog-hero .hero-badge .pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 2s infinite;
}

.blog-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.blog-hero h1 .highlight {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero .hero-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* ---------- Blog Search & Filters ---------- */
.blog-toolbar {
    padding: 0 0 3rem;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.blog-toolbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.blog-search {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.blog-search input {
    width: 100%;
    padding: 0.85rem 1.25rem 0.85rem 3rem;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    outline: none;
}

.blog-search input::placeholder {
    color: var(--color-text-muted);
}

.blog-search input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(90, 175, 204, 0.1);
}

.blog-search .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.blog-search input:focus + .search-icon,
.blog-search input:focus ~ .search-icon {
    color: var(--color-accent);
}

.blog-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.55rem 1.15rem;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
    background: var(--color-glass-light);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
    font-weight: 600;
}

/* ---------- Featured Article ---------- */
.blog-featured {
    margin-bottom: 4rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.featured-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light), var(--color-accent));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

.featured-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    transform: translateY(-4px);
}

.featured-image {
    position: relative;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    min-height: 360px;
}

.featured-card:hover .featured-image img {
    transform: scale(1.05);
}

.featured-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 60%, var(--color-bg-card) 100%);
}

.featured-badge {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg-primary);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.featured-badge svg {
    width: 12px;
    height: 12px;
}

.featured-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.featured-meta .category {
    padding: 0.3rem 0.75rem;
    background: var(--color-glass-light);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 500;
}

.featured-meta .date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.featured-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.featured-card:hover .featured-content h2 {
    color: var(--color-accent);
}

.featured-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.featured-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
}

.featured-author .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-bg-primary);
}

.featured-author .author-info .name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.featured-author .author-info .read-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ---------- Blog Grid ---------- */
.blog-grid-section {
    padding-bottom: 5rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

/* ---------- Blog Card ---------- */
.blog-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

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

.blog-card .card-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.blog-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-card .card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(transparent, var(--color-bg-card));
}

.blog-card .card-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.3rem 0.7rem;
    background: var(--color-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    font-size: 0.7rem;
    color: var(--color-accent-light);
    font-weight: 500;
    z-index: 2;
}

.blog-card .card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card .card-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.blog-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.blog-card:hover .card-title {
    color: var(--color-accent);
}

.blog-card .card-excerpt {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.blog-card .card-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card .card-author .mini-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-bg-primary);
}

.blog-card .card-author span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.blog-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.blog-card:hover .read-more {
    gap: 0.65rem;
}

/* ---------- Newsletter Section ---------- */
.blog-newsletter {
    padding: 5rem 0;
    position: relative;
}

.newsletter-card {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-tertiary) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle at center, rgba(90, 175, 204, 0.06), transparent 60%);
    animation: rotateBg 20s linear infinite;
}

@keyframes rotateBg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.newsletter-card .icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
}

.newsletter-card h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
    position: relative;
    z-index: 1;
}

.newsletter-card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
}

.newsletter-form {
    display: flex;
    max-width: 480px;
    margin: 0 auto;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.newsletter-form input {
    flex: 1;
    padding: 0.9rem 1.25rem;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-normal);
}

.newsletter-form input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-form input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(90, 175, 204, 0.1);
}

.newsletter-form .btn {
    white-space: nowrap;
}

/* ---------- No Results ---------- */
.blog-no-results {
    display: none;
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.blog-no-results.show {
    display: block;
}

.blog-no-results .icon {
    font-size: 3rem;
    opacity: 0.4;
    margin-bottom: 1rem;
}

.blog-no-results h3 {
    font-size: 1.3rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.blog-no-results p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .blog-hero h1 {
        font-size: 2.5rem;
    }

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

    .featured-image img {
        min-height: 260px;
        max-height: 300px;
    }

    .featured-image::after {
        background: linear-gradient(180deg, transparent 60%, var(--color-bg-card) 100%);
    }

    .featured-content {
        padding: 2rem;
    }

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

    .blog-toolbar-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .blog-search {
        max-width: 100%;
    }

    .blog-filters {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .blog-hero {
        padding: 8rem 0 3rem;
    }

    .blog-hero h1 {
        font-size: 1.9rem;
    }

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

    .newsletter-card {
        padding: 2.5rem 1.5rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-card h2 {
        font-size: 1.5rem;
    }

    .featured-content h2 {
        font-size: 1.35rem;
    }
}

/* ---------- RTL Support ---------- */
[dir="rtl"] .blog-search input {
    padding: 0.85rem 3rem 0.85rem 1.25rem;
}

[dir="rtl"] .blog-search .search-icon {
    left: auto;
    right: 1rem;
}

[dir="rtl"] .featured-image::after {
    background: linear-gradient(270deg, transparent 60%, var(--color-bg-card) 100%);
}

[dir="rtl"] .featured-badge {
    left: auto;
    right: 1.5rem;
}

[dir="rtl"] .blog-card .card-category {
    left: auto;
    right: 1rem;
}

[dir="rtl"] .read-more svg,
[dir="rtl"] .blog-card .read-more svg {
    transform: scaleX(-1);
}