/* ============================================
   Magazine Editorial Layout CSS
   Web Design Pattern

   Features:
   - Editorial typography with drop caps
   - Responsive grid layout
   - Pull quotes and sidebars
   - Calm, trust-building aesthetic
   - WCAG AA accessible
   - Print-optimized styles
   ============================================ */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Colors - Calm, trust-building palette */
    --color-primary: #4A7C8C;
    --color-primary-light: #6B9AAA;
    --color-primary-dark: #2F5A68;
    --color-secondary: #7d9bae;
    --color-accent: #b88b58;

    --color-text-primary: #2d2d2d;
    --color-text-secondary: #666666;
    --color-text-light: #888888;

    --color-bg-page: #fafafa;
    --color-bg-white: #ffffff;
    --color-bg-light: #f5f5f5;
    --color-bg-highlight: #f0f4f7;

    --color-border: #e0e0e0;
    --color-border-light: #eeeeee;

    /* Typography - Editorial scale */
    --font-serif: 'Georgia', 'Cambria', 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

    --font-size-xs: 0.8rem;       /* 12.8px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-md: 1.25rem;      /* 20px */
    --font-size-lg: 1.563rem;     /* 25px */
    --font-size-xl: 1.953rem;     /* 31px */
    --font-size-2xl: 2.441rem;    /* 39px */
    --font-size-3xl: 3.052rem;    /* 49px */

    --line-height-tight: 1.25;
    --line-height-snug: 1.25;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.75;
    --line-height-loose: 2;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Layout */
    --content-max-width: 1400px;
    --article-max-width: 720px;
    --sidebar-width: 320px;
    --reading-column-width: 65ch;

    /* Border Radius - Standardized */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Effects */
    --transition-base: 0.2s ease;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* ============================================
   Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-serif);
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Skip Link (Accessibility)
   ============================================ */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary, #4A7C8C);
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

.back-to-catalog {
    position: fixed;
    top: 1rem;
    left: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4A7C8C;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #E8E4DD;
    border-radius: 6px;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.2s ease;
}

.back-to-catalog:hover {
    background: #4A7C8C;
    color: white;
    border-color: #4A7C8C;
}

.back-to-catalog:focus {
    outline: 2px solid #4A7C8C;
    outline-offset: 2px;
}

/* ============================================
   Page Wrapper
   ============================================ */
.page-wrapper {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
    background-color: var(--color-bg-white);
}

@media (min-width: 768px) {
    .page-wrapper {
        padding: var(--space-xl) var(--space-lg);
    }
}

/* ============================================
   Breadcrumb Navigation
   ============================================ */
.breadcrumb {
    margin-bottom: var(--space-xl);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: var(--space-xs);
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-xs);
    color: var(--color-text-light);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.breadcrumb a:hover,
.breadcrumb a:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
    color: var(--color-text-secondary);
}

/* ============================================
   Article Header
   ============================================ */
.article-header {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.article-category {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.article-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    max-width: 900px;
}

.article-deck {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-snug);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 800px;
    font-style: italic;
}

/* Article Meta */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-lg);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.author-title {
    color: var(--color-text-secondary);
}

.article-date {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    color: var(--color-text-secondary);
}

.reading-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

/* ============================================
   Featured Image
   ============================================ */
.featured-image {
    margin-bottom: var(--space-2xl);
}

.featured-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.featured-image figcaption {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--space-sm);
    font-style: italic;
    text-align: center;
}

/* ============================================
   Article Content Layout
   ============================================ */
.article-content-wrapper {
    display: grid;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

@media (min-width: 1024px) {
    .article-content-wrapper {
        grid-template-columns: 1fr var(--sidebar-width);
        gap: var(--space-3xl);
    }
}

/* ============================================
   Article Body Typography
   ============================================ */
.article-body {
    max-width: var(--reading-column-width);
}

.article-body p {
    margin-bottom: var(--space-lg);
}

.article-body p:last-child {
    margin-bottom: 0;
}

/* Drop Cap */
.drop-cap-paragraph {
    margin-top: 0;
}

.drop-cap {
    float: left;
    font-size: 4.5em;
    line-height: 0.85;
    font-weight: 700;
    color: var(--color-primary);
    margin-right: 0.1em;
    margin-bottom: -0.15em;
    font-family: var(--font-serif);
}

/* Headings */
.article-body h2 {
    font-family: var(--font-serif);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: var(--line-height-snug);
    color: var(--color-text-primary);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-weight: 600;
    line-height: var(--line-height-snug);
    color: var(--color-text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

/* Links */
.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color var(--transition-base);
}

.article-body a:hover,
.article-body a:focus {
    color: var(--color-primary-dark);
    text-decoration-thickness: 2px;
}

/* Lists */
.article-body ul,
.article-body ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-body li {
    margin-bottom: var(--space-sm);
}

.article-body li:last-child {
    margin-bottom: 0;
}

/* ============================================
   Pull Quotes
   ============================================ */
.pull-quote {
    margin: var(--space-2xl) 0;
    padding: var(--space-lg);
    border-left: 4px solid var(--color-accent);
    background-color: var(--color-bg-highlight);
    font-family: var(--font-serif);
}

.pull-quote p {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-snug);
    font-style: italic;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.pull-quote cite {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-style: normal;
    color: var(--color-text-secondary);
    display: block;
}

/* Right-aligned pull quote */
@media (min-width: 768px) {
    .pull-quote-right {
        float: right;
        width: 45%;
        margin: var(--space-sm) 0 var(--space-md) var(--space-xl);
    }
}

/* ============================================
   Inline Images
   ============================================ */
.inline-image {
    margin: var(--space-2xl) 0;
}

.inline-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.inline-image figcaption {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--space-sm);
    font-style: italic;
}

/* ============================================
   Content Highlights
   ============================================ */
.content-highlight {
    margin: var(--space-2xl) 0;
    padding: var(--space-lg);
    background-color: var(--color-bg-light);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.content-highlight h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: var(--space-md);
}

.content-highlight ul {
    margin-bottom: 0;
}

.content-highlight li {
    margin-bottom: var(--space-sm);
}

/* ============================================
   Article Conclusion
   ============================================ */
.article-conclusion {
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background-color: var(--color-bg-highlight);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.article-conclusion p {
    font-size: var(--font-size-lg);
    font-style: italic;
    margin-bottom: 0;
}

/* ============================================
   Sidebar
   ============================================ */
.article-sidebar {
    font-family: var(--font-sans);
}

@media (min-width: 1024px) {
    .article-sidebar {
        position: sticky;
        top: var(--space-lg);
        align-self: start;
    }
}

.sidebar-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.sidebar-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.sidebar-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Related Articles */
.related-articles {
    list-style: none;
    padding: 0;
}

.related-articles li {
    margin-bottom: var(--space-md);
}

.related-articles li:last-child {
    margin-bottom: 0;
}

.related-articles a {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: color var(--transition-base);
}

.related-articles a:hover,
.related-articles a:focus {
    color: var(--color-primary);
}

.related-title {
    font-weight: 500;
    font-size: var(--font-size-base);
}

.related-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

/* Sidebar Highlight */
.sidebar-highlight {
    background-color: var(--color-bg-highlight);
    padding: var(--space-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.sidebar-highlight p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.sidebar-cta {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-base);
}

.sidebar-cta:hover,
.sidebar-cta:focus {
    background-color: var(--color-primary-dark);
}

/* Reflection Prompt */
.reflection-prompt {
    padding: var(--space-md);
    background-color: var(--color-bg-light);
    border-radius: 4px;
    border-left: 3px solid var(--color-accent);
}

.reflection-prompt p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-text-secondary);
    font-style: italic;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.share-btn {
    padding: var(--space-sm);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.share-btn:hover,
.share-btn:focus {
    background-color: var(--color-bg-highlight);
    border-color: var(--color-primary);
}

/* ============================================
   Article Footer
   ============================================ */
.article-footer {
    padding-top: var(--space-2xl);
    border-top: 2px solid var(--color-border);
}

/* Author Bio */
.author-bio {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    padding: var(--space-lg);
    background-color: var(--color-bg-light);
    border-radius: 8px;
}

.author-bio-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-bio-content h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.author-bio-content p {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-text-secondary);
}

@media (max-width: 767px) {
    .author-bio {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* Article Tags */
.article-tags h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.article-tags ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    list-style: none;
    padding: 0;
}

.article-tags a {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.article-tags a:hover,
.article-tags a:focus {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* ============================================
   Content Navigation
   ============================================ */
.content-navigation {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border-light);
}

.content-navigation h2 {
    font-family: var(--font-serif);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
}

.content-cards {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .content-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .content-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.content-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.content-card:hover,
.content-card:focus-within {
    box-shadow: var(--shadow-md);
}

.content-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.content-card-body {
    padding: var(--space-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.content-card-category {
    font-family: var(--font-sans);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.content-card h3 {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: var(--line-height-snug);
    margin-bottom: var(--space-sm);
}

.content-card h3 a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.content-card h3 a:hover,
.content-card h3 a:focus {
    color: var(--color-primary);
}

.content-card p {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-text-secondary);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 767px) {
    .article-title {
        font-size: var(--font-size-2xl);
    }

    .article-deck {
        font-size: var(--font-size-base);
    }

    .article-body h2 {
        font-size: var(--font-size-xl);
    }

    .article-body h3 {
        font-size: var(--font-size-lg);
    }

    .drop-cap {
        font-size: 3.5em;
    }

    .pull-quote p {
        font-size: var(--font-size-lg);
    }

    .pull-quote-right {
        float: none;
        width: 100%;
        margin: var(--space-2xl) 0;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    :root {
        --color-text-primary: #000000;
        --color-text-secondary: #333333;
        --color-bg-white: #ffffff;
        --color-bg-light: #ffffff;
        --color-bg-highlight: #ffffff;
    }

    body {
        background: white;
        color: black;
        font-size: 12pt;
        line-height: 1.5;
    }

    .page-wrapper {
        max-width: 100%;
        padding: 0;
    }

    .breadcrumb,
    .article-sidebar,
    .content-navigation,
    .share-buttons {
        display: none;
    }

    .article-header {
        page-break-after: avoid;
    }

    .article-title {
        font-size: 24pt;
        margin-bottom: 12pt;
    }

    .article-deck {
        font-size: 14pt;
    }

    .article-body h2 {
        font-size: 18pt;
        page-break-after: avoid;
        margin-top: 24pt;
    }

    .article-body h3 {
        font-size: 14pt;
        page-break-after: avoid;
        margin-top: 18pt;
    }

    .article-body p {
        orphans: 3;
        widows: 3;
    }

    .featured-image,
    .inline-image,
    .pull-quote,
    .content-highlight {
        page-break-inside: avoid;
    }

    .featured-image img,
    .inline-image img {
        max-width: 100%;
        height: auto;
    }

    .pull-quote {
        border: 1pt solid #cccccc;
        padding: 12pt;
        background: #f5f5f5;
    }

    .article-footer {
        page-break-before: avoid;
    }

    .author-bio {
        border: 1pt solid #cccccc;
        padding: 12pt;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666666;
    }

    .article-tags a[href]::after,
    .related-articles a[href]::after {
        content: "";
    }
}

/* ============================================
   Focus Styles (Accessibility)
   ============================================ */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}