/* =========================================================================
   Foreman AI Blog Styles
   SEO-optimized, accessible, fast-loading blog design
   Matches marketing site theme
   ========================================================================= */

/* Variables - matches marketing.css */
:root {
    --blog-max-width: 1200px;
    --blog-content-width: 720px;
    --blog-accent: #2563eb;
    --blog-accent-soft: rgba(37, 99, 235, 0.12);
    --blog-accent-strong: #1d4ed8;
    --blog-accent-warm: #f97316;
    --blog-text: #f9fafb;
    --blog-text-muted: #9ca3af;
    --blog-bg: #020617;
    --blog-bg-alt: #050816;
    --blog-card-bg: #0b1220;
    --blog-border: rgba(148, 163, 184, 0.28);
}

/* Base */
.blog-body {
    background: var(--blog-bg);
    color: var(--blog-text);
}

.blog-main {
    min-height: 100vh;
    padding-bottom: 4rem;
}

.blog-main .container {
    max-width: var(--blog-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* =========================================================================
   Hero Section
   ========================================================================= */
.blog-hero {
    padding: 4rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--blog-border);
}

.blog-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.blog-hero-subtitle {
    font-size: 1.15rem;
    color: var(--blog-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.blog-category-header {
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--blog-border);
}

/* =========================================================================
   Breadcrumb
   ========================================================================= */
.blog-breadcrumb {
    font-size: 0.85rem;
    color: var(--blog-text-muted);
    margin-bottom: 1rem;
}

.blog-breadcrumb a {
    color: var(--blog-text-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.blog-breadcrumb a:hover {
    color: var(--blog-accent);
}

.blog-breadcrumb-sep {
    margin: 0 0.5rem;
    opacity: 0.5;
}

/* =========================================================================
   Featured Post
   ========================================================================= */
.blog-featured {
    padding: 3rem 0;
    border-bottom: 1px solid var(--blog-border);
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 16px;
    overflow: hidden;
    padding: 2rem;
}

@media (max-width: 768px) {
    .blog-featured-card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.blog-featured-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.blog-featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0.75rem 0 1rem;
    line-height: 1.3;
}

.blog-featured-title a {
    color: #fff;
    text-decoration: none;
    transition: color 0.15s;
}

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

.blog-featured-excerpt {
    color: var(--blog-text-muted);
    line-height: 1.7;
    margin: 0 0 1.25rem;
}

/* =========================================================================
   Category Badge
   ========================================================================= */
.blog-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blog-accent);
    background: var(--blog-accent-soft);
    padding: 0.3rem 0.65rem;
    border-radius: 4px;
}

/* =========================================================================
   Meta (date, read time)
   ========================================================================= */
.blog-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--blog-text-muted);
}

.blog-meta-sep {
    opacity: 0.4;
}

.blog-date,
.blog-read-time {
    display: inline-flex;
    align-items: center;
}

/* =========================================================================
   Blog Grid
   ========================================================================= */
.blog-grid-section {
    padding: 3rem 0;
}

.blog-section-title {
    font-size: 1.35rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 1.75rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.75rem;
}

.blog-grid--related {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* =========================================================================
   Blog Card
   ========================================================================= */
.blog-card {
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.blog-card:hover {
    border-color: var(--blog-accent);
    transform: translateY(-2px);
}

.blog-card-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.03);
}

.blog-card-content {
    padding: 1.25rem 1.5rem 1.5rem;
}

.blog-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0.6rem 0 0.75rem;
    line-height: 1.4;
}

.blog-card-title a {
    color: #fff;
    text-decoration: none;
    transition: color 0.15s;
}

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

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--blog-text-muted);
    line-height: 1.6;
    margin: 0 0 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================================================
   Categories Grid
   ========================================================================= */
.blog-categories-section {
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--blog-border);
}

.blog-categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.blog-category-card {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.5rem;
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
}

.blog-category-card:hover {
    border-color: var(--blog-accent);
    background: var(--blog-accent-soft);
}

.blog-category-name {
    font-weight: 600;
    color: #fff;
}

.blog-category-count {
    font-size: 0.8rem;
    color: var(--blog-text-muted);
}

/* =========================================================================
   Tags
   ========================================================================= */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.blog-tag {
    font-size: 0.78rem;
    color: var(--blog-text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.35rem 0.7rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s;
}

.blog-tag:hover {
    background: var(--blog-accent-soft);
    color: var(--blog-accent);
}

/* =========================================================================
   Article Page
   ========================================================================= */
.blog-article-header {
    padding: 3rem 0 2rem;
    text-align: center;
}

.blog-article-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1.25rem;
    line-height: 1.25;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.blog-article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--blog-text-muted);
}

.blog-author {
    font-weight: 500;
    color: var(--blog-text);
}

.blog-article-hero {
    margin-bottom: 2.5rem;
}

.blog-article-image {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
}

/* =========================================================================
   Article Content (Prose)
   ========================================================================= */
.blog-article-content {
    padding: 2rem 0 3rem;
}

.blog-prose {
    max-width: var(--blog-content-width);
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--blog-text);
}

.blog-prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
}

.blog-prose h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin: 2rem 0 0.75rem;
}

.blog-prose p {
    margin: 0 0 1.5rem;
}

.blog-prose a {
    color: var(--blog-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.blog-prose a:hover {
    text-decoration: none;
}

.blog-prose ul,
.blog-prose ol {
    margin: 0 0 1.5rem;
    padding-left: 1.5rem;
}

.blog-prose li {
    margin-bottom: 0.5rem;
}

.blog-prose blockquote {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    background: var(--blog-card-bg);
    border-left: 3px solid var(--blog-accent);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--blog-text-muted);
}

.blog-prose code {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.9em;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

.blog-prose pre {
    margin: 1.5rem 0;
    padding: 1.25rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--blog-border);
    border-radius: 8px;
    overflow-x: auto;
}

.blog-prose pre code {
    background: none;
    padding: 0;
}

.blog-prose img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.blog-prose table {
    width: 100%;
    margin: 1.5rem 0;
    border-collapse: collapse;
}

.blog-prose th,
.blog-prose td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--blog-border);
    text-align: left;
}

.blog-prose th {
    background: var(--blog-card-bg);
    font-weight: 600;
    color: #fff;
}

/* =========================================================================
   Article Footer
   ========================================================================= */
.blog-article-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--blog-border);
}

.blog-cta-box {
    max-width: var(--blog-content-width);
    margin: 0 auto 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--blog-accent-soft), rgba(37, 99, 235, 0.05));
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 12px;
    text-align: center;
}

.blog-cta-box h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.5rem;
}

.blog-cta-box p {
    color: var(--blog-text-muted);
    margin: 0 0 1.25rem;
}

.blog-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--blog-accent);
    border: none;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.blog-cta-btn:hover {
    background: var(--blog-accent-strong);
    transform: translateY(-1px);
}

/* Share */
.blog-share {
    max-width: var(--blog-content-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.blog-share-label {
    font-size: 0.9rem;
    color: var(--blog-text-muted);
}

.blog-share-btn {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.15s;
}

.blog-share-twitter {
    color: #1da1f2;
    background: rgba(29, 161, 242, 0.1);
}

.blog-share-twitter:hover {
    background: rgba(29, 161, 242, 0.2);
}

.blog-share-linkedin {
    color: #0077b5;
    background: rgba(0, 119, 181, 0.1);
}

.blog-share-linkedin:hover {
    background: rgba(0, 119, 181, 0.2);
}

/* =========================================================================
   Related Posts
   ========================================================================= */
.blog-related {
    padding: 3rem 0;
    background: var(--blog-bg-alt);
    border-top: 1px solid var(--blog-border);
}

/* =========================================================================
   Newsletter Section
   ========================================================================= */
.blog-newsletter {
    padding: 3rem 0;
}

.blog-newsletter-card {
    max-width: 600px;
    margin: 0 auto;
    padding: 2.5rem;
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 16px;
    text-align: center;
}

.blog-newsletter-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.75rem;
}

.blog-newsletter-card p {
    color: var(--blog-text-muted);
    margin: 0 0 1.5rem;
}

/* =========================================================================
   Empty State
   ========================================================================= */
.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--blog-text-muted);
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 600px) {
    .blog-hero {
        padding: 3rem 0 2rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-prose {
        font-size: 1rem;
    }
    
    .blog-article-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .blog-meta-sep {
        display: none;
    }
}