/* =============================================================================
   UNIVERSAL BLOG HEADER STYLES
   Used across all blog post types for consistent branding
   ============================================================================= */

/* CSS Variables for easy theming */
:root {
    --blog-primary: #4051B5;
    --blog-primary-dark: #2c3e9f;
    --blog-text-dark: #1e293b;
    --blog-text-medium: #475569;
    --blog-text-light: #64748b;
    --blog-bg-light: #f8fafc;
    --blog-border: #e2e8f0;
    --blog-tag-bg: #e0e7ff;
    --blog-tag-text: #3730a3;
}

/* Header Container - Force Full Width */
.blog-header {
    background: #ffffff;
    padding: 80px 0 64px;
    text-align: center;
    width: 100vw;
    max-width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
    border-bottom: 1px solid var(--blog-border);
}

.blog-header__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Breadcrumb Navigation */
.blog-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--blog-text-light);
    margin-bottom: 32px;
}

.blog-breadcrumb__link {
    color: var(--blog-text-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

.blog-breadcrumb__link:focus-visible {
    outline: 2px solid var(--blog-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

.blog-breadcrumb__sep {
    opacity: 0.5;
}

.blog-breadcrumb__current {
    color: var(--blog-text-medium);
}

/* Tag Pills */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 32px;
}

.blog-tag {
    background: var(--blog-tag-bg);
    color: var(--blog-tag-text);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    display: inline-block;
}

/* Emphasize primary tags (first 3) */
.blog-tag:nth-child(-n+3) {
    font-weight: 600;
    background: #dbeafe;
    color: #1e40af;
}

/* Main Title */
.blog-header__title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--blog-text-dark);
    margin: 0 0 20px 0;
    letter-spacing: -0.02em;
}

/* Description / Subtitle */
.blog-header__description {
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.6;
    color: var(--blog-text-medium);
    margin: 0 0 40px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Horizontal Divider */
.blog-header__divider {
    border: none;
    border-top: 1px solid var(--blog-border);
    margin: 32px 0;
}

/* Author Meta Info */
.blog-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
    color: var(--blog-text-medium);
    flex-wrap: wrap;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.blog-author__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.blog-author__name {
    font-weight: 600;
    color: var(--blog-text-dark);
}

.blog-meta__sep {
    opacity: 0.5;
}

.blog-meta__date {
    color: var(--blog-text-medium);
}

.blog-meta__reading {
    color: var(--blog-text-light);
}

/* Header CTA Buttons */
.blog-header__cta {
    margin-top: 32px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.blog-cta-primary {
    background: var(--blog-primary);
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: background 0.2s, transform 0.1s;
}

.blog-cta-primary:hover {
    background: var(--blog-primary-dark);
    transform: translateY(-1px);
}

.blog-cta-primary:focus-visible {
    outline: 2px solid var(--blog-primary);
    outline-offset: 2px;
}

.blog-cta-secondary {
    background: transparent;
    color: var(--blog-primary);
    padding: 12px 24px;
    border: 2px solid var(--blog-primary);
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: background 0.2s, color 0.2s;
}

.blog-cta-secondary:hover {
    background: var(--blog-primary);
    color: white;
}

.blog-cta-secondary:focus-visible {
    outline: 2px solid var(--blog-primary);
    outline-offset: 2px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .blog-header {
        padding: 60px 20px 48px;
    }

    .blog-breadcrumb {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .blog-tags {
        gap: 8px;
        margin-bottom: 24px;
    }

    .blog-tag {
        padding: 6px 14px;
        font-size: 13px;
    }

    .blog-header__title {
        margin-bottom: 16px;
    }

    .blog-header__description {
        margin-bottom: 24px;
    }

    .blog-header__divider {
        margin: 24px 0;
    }

    .blog-meta {
        font-size: 13px;
        gap: 10px;
    }

    .blog-author__avatar {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .blog-header {
        padding: 48px 0 56px;
    }

    .blog-breadcrumb {
        font-size: 12px;
    }

    .blog-meta {
        font-size: 12px;
    }

    .blog-author__avatar {
        width: 32px;
        height: 32px;
    }

    /* Hide secondary tags on mobile (show only first 5) */
    .blog-tag:nth-child(n+6) {
        display: none;
    }

    /* Stack CTA buttons vertically on mobile */
    .blog-header__cta {
        flex-direction: column;
        align-items: center;
    }

    .blog-cta-primary,
    .blog-cta-secondary {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
}