#main-nav {
    position: relative;
}
/* ============================================
   CSS Variables
   ============================================ */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-secondary: #dc2626;
    --color-text: #1f2937;
    --color-text-light: #4b5563;
    --color-text-inverse: #ffffff;
    --color-bg: #f9fafb;
    --color-bg-light: #ffffff;
    --color-bg-dark: #111827;
    --color-border: #e5e7eb;
    --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --transition: 250ms ease;
    --container: 1200px;
    --header-height: 60px;
}

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

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

body {
    font-family: var(--font-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -50px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 100;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--spacing-md); }
h2 { font-size: 1.5rem; margin: var(--spacing-xl) 0 var(--spacing-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

a:hover {
    color: var(--color-primary-dark);
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Header
   ============================================ */
header {
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-md);
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    margin: 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    text-decoration: none;
    margin-right: auto;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
    padding: var(--spacing-sm);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

.mastodon-verify {
    display: none;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    min-height: 40px;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-light);
}

.btn svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

/* ============================================
   Main Content
   ============================================ */
main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* ============================================
   Featured Article
   ============================================ */
.featured-article {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg-light);
}

.featured-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

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

.category-badge {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

.featured-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.featured-excerpt {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

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

.article-meta svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

/* ============================================
   News Grid
   ============================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
    max-width: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.article-card-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

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

.article-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-card-excerpt {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.article-card-content .article-meta {
    margin-bottom: var(--spacing-md);
}

.article-card-btn {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Sidebar
   ============================================ */
aside {
    position: sticky;
    top: var(--spacing-xl);
    align-self: start;
    height: fit-content;
}

.sidebar {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.sidebar-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
}

.trending-list {
    list-style: none;
}

.trending-list li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.trending-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.trending-list a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition);
}

.trending-list a:hover {
    color: var(--color-primary);
}

.trending-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 700;
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.newsletter .btn {
    width: 100%;
}

/* ============================================
   Footer
   ============================================ */
footer {
    background: var(--color-text);
    color: var(--color-text-inverse);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3 {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-light);
    transition: color var(--transition);
}

.footer-column a:hover {
    color: var(--color-primary-light);
}

.footer-description {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (min-width: 992px) {
    .header-main {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .nav-toggle {
        display: none;
    }
    
    .main-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    aside {
        top: calc(var(--header-height) + var(--spacing-xl));
    }
}

@media (max-width: 991px) {

    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-light);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        z-index: 40;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-actions {
        order: -1;
        margin-left: auto;
    }

}
    
    .nav-menu.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-actions {
        order: -1;
        margin-left: auto;
    }
    
    aside {
        position: static;
        margin-top: var(--spacing-xl);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (min-width: 768px) {
    .main-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

@media (max-width: 767px) {    .news-grid {
        grid-template-columns: 1fr;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

@media print {
    body {
        background: white;
        color: black;
    }
    header, aside, footer, .nav-toggle {
        display: none !important;
    }
    main {
        padding: 0;
    }
}

/* Theme */
.theme-toggle {
    transition: transform var(--transition);
}

.theme-toggle[aria-pressed="true"] {
    transform: rotate(180deg);
}

[data-theme="dark"] {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-text: #f9fafb;
    --color-text-light: #9ca3af;
    --color-text-inverse: #1f2937;
    --color-bg: #111827;
    --color-bg-light: #1f2937;
    --color-border: #374151;
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --color-primary: #3b82f6;
        --color-primary-dark: #2563eb;
        --color-text: #f9fafb;
        --color-text-light: #9ca3af;
        --color-text-inverse: #1f2937;
        --color-bg: #111827;
        --color-bg-light: #1f2937;
        --color-border: #374151;
    }
}

[data-theme="dark"] .breaking-news {
    background: var(--color-bg-light);
}

[data-theme="dark"] .header-main {
    background: var(--color-bg-light);
}

[data-theme="dark"] .article-card {
    background: var(--color-bg-light);
}

[data-theme="dark"] .sidebar {
    background: var(--color-bg-light);
}

[data-theme="dark"] .newsletter {
    background: var(--color-bg-light);
}

[data-theme="dark"] footer {
    background: var(--color-text);
    color: var(--color-text-inverse);
}

/* Mastodon */
.mastodon-verify {
    display: none;
}

/* ============================================
   Category Filter Buttons
   ============================================ */
.category-btn {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.category-btn:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.category-btn.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.category-btn.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.category-btn.filter-btn .category-label {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-btn.filter-btn .article-count {
    background: rgba(255,255,255,0.2);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}