/**
 * NewsHub - Professional News Website Stylesheet
 * Modern, Clean, Premium Design with Dark Mode Support
 */

/* ========================================
   CSS VARIABLES (Design Tokens)
======================================== */
:root {
    /* Brand Colors */
    --color-primary: #1e40af;
    --color-primary-dark: #1e3a8a;
    --color-primary-light: #3b82f6;
    --color-accent: #dc2626;
    --color-accent-hover: #b91c1c;

    /* Neutral Colors */
    --color-bg: #f8fafc;
    --color-bg-alt: #ffffff;
    --color-bg-elevated: #ffffff;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #0ea5e9;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --gradient-hero: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.8) 100%);
    --gradient-card: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.6) 100%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Merriweather', Georgia, serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --container-max: 1280px;
    --header-height: 72px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0f172a;
        --color-bg-alt: #1e293b;
        --color-bg-elevated: #334155;
        --color-text: #f8fafc;
        --color-text-secondary: #cbd5e1;
        --color-text-muted: #64748b;
        --color-border: #334155;
        --color-border-light: #1e293b;
    }
}

/* ========================================
   BASE STYLES
======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

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

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: var(--space-4);
    color: white;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* ========================================
   HEADER
======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 800;
    font-size: var(--text-xl);
    color: var(--color-text);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
    color: var(--color-text);
}

.logo-icon {
    font-size: var(--text-2xl);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main Navigation */
.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    gap: var(--space-1);
}

.nav-link {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Search Form */
.search-form {
    display: none;
    position: relative;
}

@media (min-width: 768px) {
    .search-form {
        display: flex;
    }
}

.search-input {
    width: 200px;
    padding: var(--space-2) var(--space-4);
    padding-right: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    width: 280px;
}

.search-btn {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    padding: var(--space-1);
    transition: color var(--transition-fast);
}

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

/* Country Selector */
.country-selector {
    position: relative;
}

.country-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-lg);
    transition: all var(--transition-fast);
}

.country-btn:hover {
    border-color: var(--color-primary);
}

.country-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 50;
}

.country-selector:hover .country-dropdown,
.country-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.country-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    font-size: var(--text-sm);
    transition: background var(--transition-fast);
}

.country-option:hover {
    background: var(--color-bg);
}

.country-option.active {
    background: var(--color-primary);
    color: white;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: var(--space-2);
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    left: 0;
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-alt);
    padding: var(--space-4);
    overflow-y: auto;
    z-index: 99;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-list a {
    display: block;
    padding: var(--space-4);
    color: var(--color-text);
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

/* ========================================
   MAIN CONTENT
======================================== */
.main-content {
    min-height: calc(100vh - var(--header-height) - 300px);
    padding-bottom: var(--space-12);
}

/* Section Styles */
.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.section-title i {
    color: var(--color-primary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.view-all-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-primary);
}

.view-all-link:hover {
    gap: var(--space-3);
}

/* ========================================
   HERO SECTION
======================================== */
.hero-section {
    padding: var(--space-8) 0;
    background: var(--color-bg-alt);
}

.hero-grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 2fr 1fr;
    }
}

/* Featured Article */
.hero-featured {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg);
}

.hero-featured-link {
    display: block;
    position: relative;
}

.hero-image-container {
    position: relative;
    aspect-ratio: 16 / 9;
}

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

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-size: 4rem;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6);
    color: white;
}

.hero-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-3);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
}

.hero-excerpt {
    font-size: var(--text-base);
    opacity: 0.9;
    margin-bottom: var(--space-4);
    display: none;
}

@media (min-width: 768px) {
    .hero-excerpt {
        display: block;
    }
}

.hero-meta {
    display: flex;
    gap: var(--space-4);
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent);
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
}

/* Hero Sidebar */
.hero-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.hero-sidebar-item {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.hero-sidebar-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.sidebar-link {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
}

.sidebar-image {
    width: 100px;
    height: 72px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

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

.sidebar-content h3 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: var(--space-2);
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-content .meta {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ========================================
   NEWS GRID
======================================== */
.news-section,
.category-section {
    padding: var(--space-8) 0;
}

.category-section {
    border-top: 1px solid var(--color-border-light);
}

.news-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.news-grid-4 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .news-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .news-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   ARTICLE CARD
======================================== */
.article-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.card-link {
    display: block;
}

.card-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    font-size: 2rem;
}

.card-content {
    padding: var(--space-5);
}

.category-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: var(--space-3);
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ========================================
   ARTICLE PAGE
======================================== */
.article-page {
    padding: var(--space-8) 0;
}

.article-layout {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr 320px;
    }
}

/* Article Header */
.article-header {
    margin-bottom: var(--space-6);
}

.article-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
}

.article-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .article-title {
        font-size: var(--text-4xl);
    }
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.meta-item a {
    color: var(--color-primary);
}

/* Featured Image */
.article-featured-image {
    margin-bottom: var(--space-6);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

/* Article Summary */
.article-summary {
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    font-size: var(--text-lg);
    line-height: 1.7;
}

/* Article Content */
.article-content {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text);
}

.article-content p {
    margin-bottom: var(--space-6);
}

/* Why This Matters */
.why-matters {
    padding: var(--space-6);
    background: var(--color-bg);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-lg);
    margin: var(--space-8) 0;
}

.why-matters h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

/* Original Source Link */
.original-source {
    margin: var(--space-8) 0;
}

.source-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.source-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Article Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.tag {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-primary);
    color: white;
}

/* Sidebar */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.sticky-ad {
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
}

/* Related Articles */
.related-articles {
    background: var(--color-bg-alt);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
}

.related-articles h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.related-link {
    display: flex;
    gap: var(--space-3);
}

.related-image {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

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

.related-content h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-date {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ========================================
   BREADCRUMB
======================================== */
.breadcrumb {
    margin-bottom: var(--space-6);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumb-item a {
    color: var(--color-text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item .current {
    color: var(--color-text);
    font-weight: 500;
}

.breadcrumb-item .separator {
    color: var(--color-text-muted);
}

/* ========================================
   PAGE HEADERS
======================================== */
.page-header {
    margin-bottom: var(--space-8);
    text-align: center;
}

.page-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
}

.page-description {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

/* Country Header */
.country-header {
    text-align: left;
}

.country-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.country-flag {
    font-size: 4rem;
}

.country-subtitle {
    color: var(--color-text-secondary);
}

.country-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.switcher-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.country-buttons {
    display: flex;
    gap: var(--space-2);
}

.country-btn-small {
    font-size: var(--text-xl);
    padding: var(--space-2);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.country-btn-small:hover {
    transform: scale(1.2);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.filter-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ========================================
   SEARCH PAGE
======================================== */
.search-form-large {
    display: flex;
    gap: var(--space-3);
    max-width: 600px;
    margin: 0 auto var(--space-4);
}

.search-input-large {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-lg);
    transition: border-color var(--transition-fast);
}

.search-input-large:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-btn-large {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

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

.results-count {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

/* ========================================
   PAGINATION
======================================== */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: var(--space-10);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    background: var(--color-primary-dark);
    color: white;
    gap: var(--space-3);
}

/* ========================================
   NO RESULTS
======================================== */
.no-results {
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.no-results i {
    font-size: 4rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.no-results h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.no-results p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

/* ========================================
   EXPLORE SECTIONS
======================================== */
.explore-categories,
.explore-section,
.related-categories {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.explore-categories h2,
.explore-section h2,
.related-categories h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    text-align: center;
}

.category-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
}

.category-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

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

/* ========================================
   ERROR PAGE
======================================== */
.error-page {
    padding: var(--space-16) 0;
}

.error-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.error-content h1 {
    font-size: 6rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.error-content h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.error-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.error-suggestions {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.error-suggestions h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

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

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

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

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

/* ========================================
   AD CONTAINERS (CLS-Safe)
======================================== */
.ad-container {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    margin: var(--space-6) 0;
    overflow: hidden;
}

.ad-header {
    min-height: 120px;
}

.ad-in-content,
.ad-in-article {
    min-height: 280px;
    margin: var(--space-8) 0;
}

.ad-in-grid {
    grid-column: 1 / -1;
    min-height: 100px;
}

.ad-sidebar {
    min-height: 250px;
}

.ad-premium {
    min-height: 150px;
    border: 2px solid var(--color-primary-light);
}

/* ========================================
   FOOTER
======================================== */
.site-footer {
    background: #0f172a;
    color: white;
    padding: var(--space-12) 0 var(--space-6);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.footer-grid {
    display: grid;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

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

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: white;
    font-weight: 800;
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.footer-logo .logo-text {
    background: none;
    -webkit-text-fill-color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-links h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
    color: rgba(255, 255, 255, 0.5);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-disclaimer {
    margin-top: var(--space-2);
    font-size: var(--text-xs);
}

/* ========================================
   UTILITIES
======================================== */
.no-content {
    text-align: center;
    padding: var(--space-8);
    color: var(--color-text-muted);
}

/* ========================================
   ANIMATIONS
======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-card {
    animation: fadeIn 0.4s ease forwards;
}

.article-card:nth-child(2) {
    animation-delay: 0.05s;
}

.article-card:nth-child(3) {
    animation-delay: 0.1s;
}

.article-card:nth-child(4) {
    animation-delay: 0.15s;
}

.article-card:nth-child(5) {
    animation-delay: 0.2s;
}

.article-card:nth-child(6) {
    animation-delay: 0.25s;
}

/* ========================================
   PRINT STYLES
======================================== */
@media print {

    .site-header,
    .site-footer,
    .ad-container,
    .article-sidebar,
    .mobile-nav {
        display: none !important;
    }

    .article-layout {
        grid-template-columns: 1fr !important;
    }

    body {
        background: white;
        color: black;
    }
}

/* ========================================
   FALLBACK CONTENT STYLES
======================================== */
.fallback-content {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
}

.fallback-content i {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    display: block;
}

.fallback-content h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.fallback-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.fallback-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.fallback-section {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
}

.fallback-section .fallback-message {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.fallback-countries {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.fallback-countries h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
}

.country-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
}

.country-btn-small,
.country-btn-large {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.country-btn-small:hover,
.country-btn-large:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ========================================
   CLICKABLE NAVIGATION STYLES
======================================== */
.section-title-link {
    text-decoration: none;
    color: inherit;
    display: inline-block;
}

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

.section-title-link:hover .section-title i {
    transform: scale(1.1);
}

.category-tag-wrapper,
.category-badge-wrapper {
    display: inline-block;
}

.category-tag.clickable,
.category-badge.clickable {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-tag.clickable:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.category-badge.clickable:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

.card-meta .source.clickable {
    cursor: pointer;
    transition: color var(--transition-fast);
}

.card-meta .source.clickable:hover {
    color: var(--color-primary);
}

.hero-meta .source-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: white;
    opacity: 0.9;
    transition: all var(--transition-fast);
}

.hero-meta .source-link:hover {
    opacity: 1;
    text-decoration: underline;
}