/* Performance: Reduce repaints and reflows */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Performance: GPU acceleration for animations */
@media (prefers-reduced-motion: no-preference) {
    * {
        will-change: auto;
    }
}

:root {
    /* Custom color palette */
    --color-primary: #8B1A1A;
    --color-text: #191919;
    --color-text-secondary: #666666;
    --color-border: #e6e6e6;
    --color-background: #ffffff;
    --color-background-alt: #f7f7f7;
    --color-hover: #f5f5f5;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Spectral', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-width: 1200px;
    --content-width: 680px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-background);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-md) * 0.7) 0;
}

.logo {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.938rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--color-text);
    background-color: var(--color-hover);
}

.nav-link.active {
    color: var(--color-text);
    background-color: var(--color-background-alt);
}

.nav-separator {
    color: var(--color-border);
    margin: 0 var(--spacing-xs);
}

/* Language Selector */
.language-selector {
    position: relative;
    display: inline-block;
}

.language-button {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.938rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.language-button:hover {
    color: var(--color-text);
    background-color: var(--color-hover);
}

.language-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    min-width: 150px;
    margin-top: var(--spacing-xs);
    z-index: 1000;
}

.language-dropdown.show {
    display: block;
}

.lang-option {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.lang-option:hover {
    background-color: var(--color-background-alt);
}

.lang-option:first-child {
    border-radius: 4px 4px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 4px 4px;
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xxl) * 0.7) 0;
    background-color: #e8e8e8;
    border-top: 2px solid #D4A5A5;
    border-bottom: 2px solid #D4A5A5;
}

.hero-content {
    text-align: center;
    margin-bottom: calc(var(--spacing-xl) * 0.7);
}

.hero-title {
    font-size: 2.1rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-sm) * 0.7);
    font-family: var(--font-serif);
}

.hero-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Photo Gallery */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    max-width: 50%;
    margin-left: auto;
    margin-right: auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 16/9;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-background);
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    color: var(--color-text-secondary);
}

/* Articles Section */
.articles {
    padding: var(--spacing-lg) 0 var(--spacing-xxl) 0;
}

/* Blog Layout with Sidebar */
.blog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-xxl);
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: calc(var(--spacing-xl) + 60px); /* Account for header height */
    align-self: start;
}

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

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

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-sans);
}

/* RSS Button */
.rss-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.938rem;
    transition: opacity 0.2s ease;
}

.rss-button:hover {
    opacity: 0.9;
}

.rss-button svg {
    flex-shrink: 0;
}

/* Archives List */
.archives-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.archive-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.938rem;
    transition: color 0.2s ease;
}

.archive-link:hover {
    color: var(--color-primary);
}

.archive-month {
    font-weight: 500;
}

.archive-count {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Categories List */
.categories-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.category-link {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.938rem;
    transition: color 0.2s ease;
}

.category-link:hover {
    color: var(--color-primary);
}

.category-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* Main Content */
.main-content {
    min-width: 0; /* Prevents grid blowout */
}

.articles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-serif);
}

.filter-info {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.loading-small {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Article Card */
.article-card {
    display: block;
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

.article-card:hover {
    opacity: 0.8;
}

.article-card:last-child {
    border-bottom: none;
}

.article-cover-image {
    margin-bottom: var(--spacing-lg);
    border-radius: 8px;
    overflow: hidden;
}

.article-cover-image img {
    max-width: 600px;
    max-height: 600px;
    width: auto;
    height: auto;
    display: block;
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 3px;
}

.article-date {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.article-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-serif);
    line-height: 1.3;
}

.article-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.article-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.article-preview {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.article-preview p {
    margin-bottom: var(--spacing-md);
}

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

.article-read-more {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Loading State */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        order: 2;
        margin-top: var(--spacing-xl);
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .sidebar-section {
        border-bottom: none;
        border-right: 1px solid var(--color-border);
        padding-right: var(--spacing-lg);
        padding-bottom: 0;
        margin-bottom: 0;
    }
    
    .sidebar-section:last-child {
        border-right: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav {
        gap: var(--spacing-xs);
    }
    
    .nav-link {
        padding: var(--spacing-xs);
        font-size: 0.875rem;
    }
    
    .photo-gallery {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
    
    .sidebar-section {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-right: 0;
        padding-bottom: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .articles-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .article-card-title {
        font-size: 1.25rem;
    }
    
    .article-preview {
        font-size: 0.938rem;
    }
}