/* ============================================
   J. Gibson McIlvain — Blog Styles
   Design System: Heritage, Warmth, Authority
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #FAF8F5;
    --color-bg-accent: #F0EBE3;
    --color-text: #2C2C2C;
    --color-text-secondary: #6B6259;
    --color-brand: #2D4A3E;
    --color-brand-dark: #1E352B;
    --color-walnut: #5C3D2E;
    --color-border: #E0D9D0;
    --color-white: #FFFFFF;
    --color-card-shadow: rgba(44, 44, 44, 0.06);
    --color-card-shadow-hover: rgba(44, 44, 44, 0.12);

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --container-max: 1200px;
    --container-narrow: 720px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    --spacing-2xl: 96px;

    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 20px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-brand);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-walnut);
}

ul {
    list-style: none;
}

/* --- Layout --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- Site Header --- */
.site-header {
    background: #1f1a15;
    padding: 20px 0;
    text-align: center;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 70px;
    width: auto;
    font-weight: 600;
    white-space: nowrap;
}

.header-phone:hover {
    color: #FFFFFF;
}

/* --- Blog Hero --- */
.blog-hero {
    text-align: left;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.blog-hero h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.blog-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0;
}

/* --- Category Nav --- */
.category-nav {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.category-chips {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.chip {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--color-brand);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-brand);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.chip:hover,
.chip.active {
    background-color: var(--color-brand);
    color: var(--color-white);
}

/* --- Featured Post --- */
.featured-post {
    padding: var(--spacing-xl) 0;
}

.featured-card {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--spacing-lg);
    background: var(--color-bg-accent);
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.featured-content {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-content h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.3;
    margin: var(--spacing-sm) 0;
}

.featured-content h2 a {
    color: var(--color-text);
}

.featured-content h2 a:hover {
    color: var(--color-brand);
}

.featured-content .excerpt {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.read-link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-brand);
    margin-top: auto;
}

.read-link:hover {
    color: var(--color-walnut);
    text-decoration: underline;
}

/* --- Post Meta --- */
.post-meta {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.post-meta .separator {
    margin: 0 6px;
}

.post-meta .author {
    font-weight: 500;
}

/* --- Category Label --- */
.category-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-brand);
}

/* --- Post Grid --- */
.post-grid-section {
    padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.section-heading {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.post-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.post-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 2px 12px var(--color-card-shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.post-card:hover {
    box-shadow: 0 4px 20px var(--color-card-shadow-hover);
    transform: translateY(-2px);
}

.card-image {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

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

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

.card-content {
    padding: var(--spacing-md);
}

.card-content h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin: var(--spacing-xs) 0;
}

.card-content h3 a {
    color: var(--color-text);
}

.card-content h3 a:hover {
    color: var(--color-brand);
}

.card-content .excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-content time {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* --- Newsletter Section --- */
.newsletter-section {
    padding: var(--spacing-xl) 0;
}

.newsletter-block {
    background: var(--color-brand-dark);
    color: var(--color-white);
    padding: var(--spacing-xl);
    text-align: center;
    border-radius: var(--radius-md);
}

.newsletter-block h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.newsletter-block p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 440px;
    margin: 0 auto;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font-sans);
}

.newsletter-form button {
    padding: 12px 24px;
    background: var(--color-walnut);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.newsletter-form button:hover {
    background: #4A3020;
}

/* --- Site Footer --- */
.site-footer {
    background: #4a1a1a;
    color: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-lg) 0;
}

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.8;
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: underline;
}

.footer-bottom a:hover {
    color: #FFFFFF;
}

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

.article-page {
    padding-bottom: 0;
}

/* --- Post Header --- */
.post-header {
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.back-link {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.back-link:hover {
    color: var(--color-brand);
}

.post-header h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: var(--spacing-sm) 0 var(--spacing-md);
    color: var(--color-text);
}

/* --- Post Hero Image --- */
.post-hero-image {
    max-width: 960px;
    margin: 0 auto var(--spacing-xl);
}

.post-hero-image img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.post-hero-image figcaption {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-md);
}

/* --- Post Body --- */
.post-body {
    padding-bottom: var(--spacing-xl);
}

.post-body h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.post-body p {
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.post-body ul,
.post-body ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.post-body ul {
    list-style: disc;
}

.post-body ol {
    list-style: decimal;
}

.post-body li {
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.post-body li strong {
    color: var(--color-text);
}

.post-body blockquote {
    border-left: 3px solid var(--color-brand);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    background: var(--color-bg-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-body blockquote p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.post-body blockquote cite {
    font-family: var(--font-sans);
    font-style: normal;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* --- Key Takeaway Box --- */
.key-takeaway {
    background: var(--color-bg-accent);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-brand);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.key-takeaway h2 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-brand);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.key-takeaway p {
    font-size: 1rem;
    line-height: 1.7;
}

/* --- Comparison Table --- */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table caption {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    background: var(--color-bg-accent);
    border-bottom: 1px solid var(--color-border);
}

.comparison-table thead {
    background: var(--color-brand-dark);
    color: var(--color-white);
}

.comparison-table th,
.comparison-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table thead th {
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
    border-bottom-color: rgba(255,255,255,0.1);
}

.comparison-table tbody th {
    font-weight: 600;
    background: var(--color-bg-accent);
    white-space: nowrap;
}

.comparison-table tbody tr:hover {
    background: var(--color-bg-accent);
}

/* --- Post Figures --- */
.post-figure {
    margin: var(--spacing-xl) 0;
}

.post-figure img {
    width: 100%;
    border-radius: var(--radius-md);
}

.post-figure figcaption {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* --- FAQ Section --- */
.faq-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

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

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

.faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    content: '\2212';
}

.faq-item summary h3 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.faq-item p {
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* --- Sources Section --- */
.sources-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.sources-section ul {
    list-style: disc;
    padding-left: var(--spacing-md);
}

.sources-section li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* --- Author Card --- */
.post-footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.author-card {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.author-info h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.author-title {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.author-info p:last-child {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* --- Related Posts --- */
.related-posts {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-accent);
}

/* --- CTA Section --- */
.cta-section {
    padding: var(--spacing-xl) 0;
}

.cta-block {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-accent);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.cta-block h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-block p {
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.6;
}

.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: var(--color-brand);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background: var(--color-brand-dark);
    color: var(--color-white);
    transform: translateY(-1px);
}

.cta-phone {
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

.cta-phone a {
    font-weight: 600;
}

/* --- Utility --- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1199px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .post-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .featured-content {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .blog-hero h1 {
        font-size: 2.25rem;
    }

    .post-header h1 {
        font-size: 1.75rem;
    }

    .post-grid,
    .post-grid-3 {
        grid-template-columns: 1fr;
    }

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

    .main-nav {
        display: none;
    }

    .header-inner {
        justify-content: space-between;
    }

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

    .comparison-table {
        font-size: 0.8rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px 10px;
    }

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

    .category-chips {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--spacing-xs);
    }

    .chip {
        white-space: nowrap;
    }
}