/* ============================================
   BLOG STYLES — Residence Flats
   Optimized for readability, SEO & AI discovery
   ============================================ */

/* --- Blog CSS Variables --- */
:root {
    --blog-accent: #c9a96e;
    --blog-accent-dim: rgba(201, 169, 110, 0.15);
    --blog-text: #e0e0e0;
    --blog-heading: #ffffff;
    --blog-meta: #888888;
    --blog-border: rgba(255, 255, 255, 0.08);
    --blog-card-bg: #111111;
    --blog-card-hover: #161616;
    --blog-toc-bg: rgba(255, 255, 255, 0.02);
    --blog-code-bg: #1a1a1a;
    --blog-blockquote-border: #c9a96e;
}

/* --- Blog Index Page --- */
.blog-hero {
    min-height: 45vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
    background: var(--bg-color);
    border-bottom: 1px solid var(--blog-border);
}

.blog-hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: 20px;
    color: var(--blog-heading);
}

.blog-hero-content p {
    font-size: 1.1rem;
    color: var(--blog-meta);
    max-width: 520px;
    margin: 0 auto 30px;
    line-height: 1.7;
}

.blog-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 30px;
}

.blog-hero-tags a {
    padding: 8px 18px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.blog-hero-tags a:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
    background: var(--blog-accent-dim);
}

/* Blog post grid on index */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
    padding: 80px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.blog-card {
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.blog-card:hover {
    background: var(--blog-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.blog-card-image {
    width: 100%;
    height: 220px;
    background: #1a1a1a;
    position: relative;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.blog-card-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--blog-accent);
}

.blog-card-body {
    padding: 24px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    font-size: 0.75rem;
    color: var(--blog-meta);
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 12px;
    color: var(--blog-heading);
    letter-spacing: -0.01em;
}

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--blog-meta);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 16px;
}

.blog-card-read-more {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blog-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}

.blog-card:hover .blog-card-read-more {
    gap: 12px;
}

/* Featured blog post (first in grid) */
.blog-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.blog-card.featured .blog-card-image {
    height: 100%;
    min-height: 360px;
}

.blog-card.featured .blog-card-title {
    font-size: 1.6rem;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 40px 5%;
    }

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

    .blog-card.featured .blog-card-image {
        min-height: 220px;
    }
}

/* ============================================
   BLOG POST (SINGLE ARTICLE)
   ============================================ */
.blog-article {
    max-width: 780px;
    margin: 0 auto;
    padding: 120px 5% 80px;
}

/* Article header */
.article-header {
    margin-bottom: 50px;
    text-align: center;
}

.article-category {
    display: inline-block;
    padding: 6px 16px;
    background: var(--blog-accent-dim);
    border: 1px solid rgba(201, 169, 110, 0.25);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--blog-accent);
    margin-bottom: 24px;
    text-decoration: none;
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--blog-heading);
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    color: var(--blog-meta);
    font-size: 0.85rem;
}

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

.article-meta .author-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--blog-accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--blog-accent);
}

.article-meta .reading-time {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Featured image */
.article-featured-image {
    margin: 0 -5% 40px;
    border-radius: 20px;
    overflow: hidden;
    max-height: 500px;
}

.article-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Article content typography */
.article-content {
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--blog-text);
}

.article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--blog-heading);
    margin: 60px 0 20px;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--blog-heading);
    margin: 40px 0 16px;
    letter-spacing: -0.01em;
}

.article-content p {
    margin-bottom: 24px;
}

.article-content strong {
    color: #ffffff;
    font-weight: 600;
}

.article-content a {
    color: var(--blog-accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(201, 169, 110, 0.3);
    transition: border-color 0.3s;
}

.article-content a:hover {
    border-bottom-color: var(--blog-accent);
}

/* Lists */
.article-content ul, .article-content ol {
    margin: 20px 0 30px 24px;
}

.article-content li {
    margin-bottom: 10px;
    padding-left: 4px;
}

.article-content li::marker {
    color: var(--blog-accent);
}

/* Blockquotes */
.article-content blockquote {
    margin: 40px 0;
    padding: 24px 30px;
    border-left: 3px solid var(--blog-blockquote-border);
    background: var(--blog-toc-bg);
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #cccccc;
}

.article-content blockquote p {
    margin: 0;
}

/* Code / data highlights */
.article-content .highlight-box {
    background: var(--blog-code-bg);
    border: 1px solid var(--blog-border);
    border-radius: 12px;
    padding: 24px 28px;
    margin: 30px 0;
    font-size: 0.95rem;
}

.article-content .highlight-box strong {
    color: var(--blog-accent);
}

/* Table of contents */
.article-toc {
    background: var(--blog-toc-bg);
    border: 1px solid var(--blog-border);
    border-radius: 16px;
    padding: 28px 30px;
    margin: 0 0 50px;
}

.article-toc h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--blog-meta);
    margin-bottom: 16px;
}

.article-toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc-counter;
}

.article-toc ol li {
    counter-increment: toc-counter;
    margin-bottom: 8px;
    padding: 0;
}

.article-toc ol li::marker {
    content: none;
}

.article-toc ol li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
    display: flex;
    gap: 12px;
}

.article-toc ol li a::before {
    content: counter(toc-counter) ".";
    color: var(--blog-accent);
    font-weight: 600;
    min-width: 24px;
}

.article-toc ol li a:hover {
    color: #ffffff;
}

/* FAQ section within articles */
.article-faq {
    margin: 50px 0;
    border-top: 1px solid var(--blog-border);
    padding-top: 40px;
}

.article-faq h2 {
    margin-top: 0;
}

.article-faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--blog-border);
    padding-bottom: 20px;
}

.article-faq-item h3 {
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-faq-item p {
    margin-top: 12px;
    color: var(--blog-text);
}

/* Author card at bottom */
.article-author-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 30px;
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 16px;
    margin-top: 60px;
}

.article-author-card .author-avatar-lg {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--blog-accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--blog-accent);
    flex-shrink: 0;
}

.article-author-card .author-info h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--blog-heading);
}

.article-author-card .author-info p {
    font-size: 0.85rem;
    color: var(--blog-meta);
    line-height: 1.6;
    margin: 0;
}

/* Related posts */
.related-posts {
    margin-top: 80px;
    padding-top: 50px;
    border-top: 1px solid var(--blog-border);
}

.related-posts h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--blog-heading);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.related-post-card {
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: 12px;
    padding: 20px 24px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.related-post-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--blog-card-hover);
}

.related-post-card h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--blog-heading);
}

.related-post-card .meta {
    font-size: 0.75rem;
    color: var(--blog-meta);
}

/* CTA section at article end */
.article-cta {
    margin: 60px 0 20px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.08), rgba(201, 169, 110, 0.02));
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 20px;
    text-align: center;
}

.article-cta h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--blog-heading);
}

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

.article-cta .btn-primary {
    background: var(--blog-accent);
    color: #000;
    border: none;
    padding: 14px 36px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.article-cta .btn-primary:hover {
    filter: brightness(1.15);
    transform: translateY(-2px);
}

/* Breadcrumb for blog */
.blog-breadcrumb {
    max-width: 780px;
    margin: 0 auto;
    padding: 100px 5% 0;
    font-size: 0.8rem;
    color: var(--blog-meta);
}

.blog-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

.blog-breadcrumb span {
    margin: 0 8px;
    opacity: 0.4;
}

/* Responsive */
@media (max-width: 768px) {
    .blog-article {
        padding: 100px 5% 60px;
    }

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

    .article-content h2 {
        font-size: 1.5rem;
    }

    .article-featured-image {
        margin: 0 -5% 30px;
        border-radius: 12px;
    }

    .article-author-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

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

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

    .blog-breadcrumb {
        padding: 90px 5% 0;
    }
}