/* ===== BLOG STYLES — Altemo Brandbook v5.0 ===== */
/* Inherits design tokens from ../style.css */

/* ===== BLOG LAYOUT ===== */
.blog-header {
    padding: 120px 0 48px;
    text-align: center;
    background: var(--gradient-hero);
    border-bottom: 1px solid var(--color-border);
}

.blog-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.blog-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.breadcrumbs a {
    color: var(--color-accent-1);
    transition: var(--transition);
}

.breadcrumbs a:hover {
    color: var(--color-accent-2);
}

.breadcrumbs span {
    margin: 0 8px;
    color: var(--color-text-dim);
}

/* ===== ARTICLE LIST (HUB PAGE) ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
    padding: 48px 0 96px;
}

.blog-card {
    border-radius: var(--radius-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    border-color: rgba(79, 70, 229, 0.25);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.blog-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gradient-hero);
}

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

.blog-card-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--gradient-glow);
    color: var(--color-accent-1);
    margin-bottom: 12px;
}

.blog-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.blog-card-title a {
    color: var(--color-text);
    transition: var(--transition);
}

.blog-card-title a:hover {
    color: var(--color-accent-1);
}

.blog-card-excerpt {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--color-text-dim);
}

.blog-card-meta time {
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-card-meta .read-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== ARTICLE PAGE ===== */
.article-hero {
    padding: 120px 0 48px;
    background: var(--gradient-hero);
    border-bottom: 1px solid var(--color-border);
}

.article-hero .container {
    max-width: 800px;
}

.article-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.article-meta .author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
}

.article-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.article-badge--primary {
    background: var(--gradient-glow);
    border-color: rgba(79, 70, 229, 0.2);
    color: var(--color-accent-1);
}

/* ===== ARTICLE CONTENT ===== */
.article-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 24px 96px;
}

.article-content h2 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.article-content h2:first-child {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
}

.article-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.05rem;
    color: var(--color-text);
}

.article-content ul,
.article-content ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.7;
    font-size: 1.02rem;
}

.article-content ul li {
    list-style: disc;
}

.article-content ol li {
    list-style: decimal;
}

.article-content blockquote {
    border-left: 3px solid var(--color-accent-1);
    padding: 16px 24px;
    margin: 28px 0;
    background: var(--gradient-glow);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 0.92rem;
}

.article-content table th {
    background: var(--color-surface);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
}

.article-content table td {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
}

.article-content img {
    border-radius: var(--radius-lg);
    margin: 28px 0;
    box-shadow: var(--shadow-card);
}

.article-content strong {
    font-weight: 600;
    color: var(--color-text);
}

/* ===== CTA BLOCKS ===== */

/* Sticky top banner */
.blog-sticky-cta {
    position: sticky;
    top: 64px;
    z-index: 50;
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
    padding: 10px 24px;
    font-size: 0.88rem;
    font-weight: 500;
}

.blog-sticky-cta a {
    color: #fff;
    text-decoration: underline;
    font-weight: 600;
    margin-left: 8px;
}

.blog-sticky-cta a:hover {
    opacity: 0.9;
}

/* In-article CTA */
.article-cta {
    margin: 40px 0;
    padding: 32px;
    border-radius: var(--radius-xl);
    background: var(--gradient-glow);
    border: 1px solid rgba(79, 70, 229, 0.15);
    text-align: center;
}

.article-cta h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.article-cta p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.article-cta .btn {
    display: inline-flex;
}

/* ===== FAQ SECTION ===== */
.article-faq {
    margin: 48px 0;
    padding: 32px;
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.article-faq h2 {
    margin-top: 0 !important;
    border-top: none !important;
    padding-top: 0 !important;
    font-size: 1.4rem;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-item summary {
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-item summary::before {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--color-accent-1);
    width: 24px;
    flex-shrink: 0;
    text-align: center;
    transition: var(--transition);
}

.faq-item[open] summary::before {
    content: '−';
}

.faq-item .faq-answer {
    padding: 12px 0 0 36px;
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ===== AUTHOR BIO ===== */
.author-bio {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    margin: 48px 0;
}

.author-bio-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.author-bio-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.author-bio-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ===== RELATED ARTICLES ===== */
.related-articles {
    margin: 48px 0;
}

.related-articles h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 24px;
    border-top: none;
    padding-top: 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.related-card {
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.related-card:hover {
    border-color: rgba(79, 70, 229, 0.25);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.related-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 8px;
}

.related-card h4 a {
    color: var(--color-text);
    transition: var(--transition);
}

.related-card h4 a:hover {
    color: var(--color-accent-1);
}

.related-card .blog-card-meta {
    font-size: 0.75rem;
}

/* ===== FLOATING CTA BUTTON ===== */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.floating-cta.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.floating-cta .btn {
    box-shadow: 0 8px 32px rgba(79, 70, 229, 0.35);
    font-size: 0.88rem;
    padding: 14px 28px;
}

/* ===== TELEGRAM SUBSCRIBE ===== */
.tg-subscribe {
    margin: 48px 0;
    padding: 28px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    border: 1px solid rgba(79, 70, 229, 0.15);
    text-align: center;
}

.tg-subscribe h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 0;
}

.tg-subscribe p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .article-hero h1 {
        font-size: 1.6rem;
    }

    .article-content {
        padding: 32px 16px 64px;
    }

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

    .article-content p {
        font-size: 1rem;
    }

    .author-bio {
        flex-direction: column;
        text-align: center;
    }

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

    .blog-sticky-cta {
        font-size: 0.82rem;
        padding: 8px 16px;
    }

    .article-cta {
        padding: 24px 20px;
    }

    .floating-cta {
        bottom: 16px;
        right: 16px;
    }

    .floating-cta .btn {
        padding: 12px 20px;
        font-size: 0.82rem;
    }
}