/*
 * File: marketing-festival-styles.css
 * 🎯 MARKETING FESZTIVÁL DESIGN 🎯
 * Vibrant teal/turquoise, modern white, energetic orange accents
 * Professional, bold, event-focused design
 */

/* ============================================ */
/* ROOT VARIABLES & THEME - MARKETING POWER! 🚀 */
/* ============================================ */
:root {
    /* Primary Colors - Teal & Turquoise */
    --color-primary-teal: #00B5AD;
    --color-primary-turquoise: #1ABC9C;
    --color-primary-dark-teal: #008B84;
    
    /* Secondary Colors - Warm & Energetic */
    --color-secondary-white: #FFFFFF;
    --color-secondary-light: #F8F9FA;
    --color-secondary-orange: #FF6B35;
    --color-accent-red: #E74C3C;
    --color-accent-yellow: #F39C12;
    --color-accent-green: #27AE60;
    
    /* Neutrals - Clean & Modern */
    --color-background-deep: #FFFFFF;
    --color-background-void: #F8F9FA;
    --color-background-card: #FFFFFF;
    --color-background-elevated: #F8F9FA;
    --color-text-bright: #1A1A1A;
    --color-text-medium: #4A5568;
    --color-text-dim: #718096;
    
    /* Borders & Dividers */
    --color-border-subtle: rgba(0, 181, 173, 0.15);
    --color-border-medium: rgba(0, 181, 173, 0.3);
    --color-border-strong: rgba(0, 181, 173, 0.6);
    
    /* Shadows - Modern & Clean */
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-glow-teal: 0 0 32px rgba(0, 181, 173, 0.4);
    --shadow-glow-orange: 0 0 24px rgba(255, 107, 53, 0.4);
    --shadow-inner: inset 0 1px 4px rgba(0, 0, 0, 0.06);
    
    /* Spacing System - 8px base */
    --spacing-2xs: 0.25rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Typography Scale */
    --font-size-2xs: 0.625rem;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 1.75;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================ */
/* GLOBAL RESET & BASE STYLES                   */
/* ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background: #FFFFFF;
    background-image: 
        linear-gradient(180deg, rgba(0, 181, 173, 0.03) 0%, transparent 100%);
    background-attachment: fixed;
    color: var(--color-text-bright);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text-bright);
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
}

h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

h4 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

a {
    text-decoration: none;
    color: var(--color-primary-teal);
    transition: all var(--transition-base);
    position: relative;
}

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

a:focus-visible {
    outline: 2px solid var(--color-primary-teal);
    outline-offset: 4px;
    border-radius: var(--radius-xs);
}

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

/* ============================================ */
/* HEADER & NAVIGATION - CLEAN & MODERN         */
/* ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: var(--spacing-xl);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    transition: transform var(--transition-base);
    position: relative;
    z-index: 2;
}

.site-logo:hover {
    transform: scale(1.02);
}

.logo-ai {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary-teal) 0%, var(--color-primary-turquoise) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.logo-trends {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text-bright);
    text-transform: uppercase;
}

/* Search Bar - Modern Clean Interface */
.search-wrapper {
    flex: 1;
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.search-container {
    position: relative;
    border-radius: var(--radius-full);
    background: var(--color-background-elevated);
    border: 2px solid var(--color-border-subtle);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
}

.search-container:hover {
    border-color: var(--color-border-medium);
    box-shadow: var(--shadow-soft);
}

.search-container:focus-within {
    border-color: var(--color-primary-teal);
    box-shadow: 0 0 0 3px rgba(0, 181, 173, 0.1);
    background: var(--color-background-card);
}

.search-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text-dim);
    flex-shrink: 0;
    transition: color var(--transition-base);
}

.search-container:focus-within .search-icon {
    color: var(--color-primary-teal);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: var(--font-size-base);
    color: var(--color-text-bright);
    font-weight: 500;
    font-family: inherit;
}

.search-input::placeholder {
    color: var(--color-text-dim);
}

.search-clear-btn {
    background: none;
    border: none;
    color: var(--color-text-dim);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.search-clear-btn:hover {
    color: var(--color-text-bright);
    background: rgba(0, 181, 173, 0.1);
}

.search-clear-btn.hidden {
    display: none;
}

/* Live Search Results */
.live-search-results {
    position: absolute;
    top: calc(100% + var(--spacing-md));
    left: 0;
    right: 0;
    background: var(--color-background-card);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    max-height: 500px;
    overflow-y: auto;
    z-index: 50;
}

.live-search-results.hidden {
    display: none;
}

/* ============================================ */
/* HERO SECTION - BOLD & ENERGETIC              */
/* ============================================ */
.hero-section {
    position: relative;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    overflow: hidden;
    z-index: 2;
    background: linear-gradient(180deg, rgba(0, 181, 173, 0.05) 0%, transparent 100%);
}

.hero-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: var(--line-height-tight);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, 
        var(--color-text-bright) 0%, 
        var(--color-primary-teal) 50%, 
        var(--color-primary-turquoise) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title-accent {
    display: inline-block;
    position: relative;
}

.hero-title-accent::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    border-radius: var(--radius-full);
}

/* Hero Card - Feature Spotlight - FULL WIDTH VERTICAL */
.hero-card {
    position: relative;
    background: var(--color-background-card);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 2px solid var(--color-border-medium);
    box-shadow: var(--shadow-strong);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-slow);
    margin-top: var(--spacing-2xl);
    max-width: 100%;
}

.hero-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    border-radius: var(--radius-2xl);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.hero-card:hover::before {
    opacity: 0.2;
}

.hero-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-glow-teal);
}

.hero-card-img-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

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

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

.hero-card-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.4) 0%, 
        transparent 60%
    );
    z-index: 1;
}

.hero-card-content {
    position: relative;
    padding: var(--spacing-3xl);
    z-index: 2;
}

.hero-card-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--color-primary-teal);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
}

.hero-card-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: var(--line-height-tight);
    color: var(--color-text-bright);
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-base);
}

.hero-card:hover .hero-card-title {
    background: linear-gradient(135deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-card-description {
    font-size: var(--font-size-xl);
    color: var(--color-text-medium);
    line-height: var(--line-height-relaxed);
    margin-top: var(--spacing-lg);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-card-meta {
    margin-top: var(--spacing-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    font-size: var(--font-size-base);
    color: var(--color-text-dim);
    font-weight: 600;
}

.hero-card-meta-divider {
    width: 2px;
    height: 20px;
    background: var(--color-border-medium);
    border-radius: var(--radius-full);
}

/* ============================================ */
/* ARTICLE CARDS GRID - MODERN LAYOUT           */
/* ============================================ */
.main-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.results-wrapper {
    position: relative;
}

.search-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-xl);
    z-index: 30;
}

.search-overlay.hidden {
    display: none;
}

.search-overlay-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-bright);
    background: var(--color-background-card);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary-teal);
    box-shadow: var(--shadow-strong);
}

.spinner {
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    color: var(--color-primary-teal);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.section-padding {
    padding: var(--spacing-3xl) 0;
}

.search-results-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.search-results-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, 
        var(--color-text-bright) 0%, 
        var(--color-primary-teal) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.search-results-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-medium);
    margin-top: var(--spacing-md);
}

.no-results {
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.no-results-icon {
    font-size: 80px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.5;
}

.no-results-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-text-bright);
    margin-bottom: var(--spacing-sm);
}

.no-results-text {
    color: var(--color-text-medium);
    font-size: var(--font-size-lg);
}

.cards-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Article Card - Horizontal List Item Style */
.article-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--spacing-lg);
    background: var(--color-background-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-border-subtle);
    transition: all var(--transition-base);
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    position: relative;
    padding: var(--spacing-md);
    align-items: center;
}

.article-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-lg);
}

.article-card:hover::before {
    opacity: 0.03;
}

.article-card:hover {
    transform: translateX(8px);
    border-color: var(--color-primary-teal);
    box-shadow: var(--shadow-medium);
}

.article-card-img-container {
    height: 120px;
    width: 180px;
    overflow: hidden;
    position: relative;
    background: var(--color-background-void);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.article-card-img-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, 
        transparent 0%, 
        rgba(0, 0, 0, 0.1) 100%
    );
}

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

.article-card:hover .article-card-img {
    transform: scale(1.1);
}

.article-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
    padding: 0;
}

.article-card-source {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-teal);
    background: rgba(0, 181, 173, 0.1);
    padding: var(--spacing-2xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    align-self: flex-start;
    margin-bottom: var(--spacing-2xs);
}

.article-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    line-height: var(--line-height-snug);
    color: var(--color-text-bright);
    margin-bottom: var(--spacing-2xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-base);
}

.article-card:hover .article-card-title {
    background: linear-gradient(135deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    line-height: var(--line-height-relaxed);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-text-dim);
    font-weight: 600;
    gap: var(--spacing-md);
    padding: 0;
    border: none;
    margin: 0;
}

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

.article-card-tag {
    background: var(--color-primary-teal);
    color: white;
    padding: var(--spacing-2xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.article-card-tag:hover {
    transform: translateY(-1px);
    background: var(--color-primary-dark-teal);
}

/* Ad Slot */
.ad-slot {
    border-radius: var(--radius-xl);
    border: 2px dashed var(--color-border-medium);
    background: var(--color-background-void);
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--color-text-dim);
}

/* ============================================ */
/* PAGINATION - NAVIGATION CONTROLS             */
/* ============================================ */
.pagination {
    margin-top: var(--spacing-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--color-background-card);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-bright);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-soft);
}

.pagination-link:hover {
    background: var(--color-primary-teal);
    border-color: var(--color-primary-teal);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.pagination-link.active {
    background: var(--color-primary-teal);
    color: white;
    border-color: var(--color-primary-teal);
    box-shadow: var(--shadow-medium);
}

.pagination-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 48px;
    background: var(--color-background-card);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-bright);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-soft);
}

.pagination-number:hover {
    background: var(--color-background-elevated);
    border-color: var(--color-primary-teal);
    transform: translateY(-2px);
}

.pagination-number.active {
    background: var(--color-primary-teal);
    color: white;
    border-color: var(--color-primary-teal);
    box-shadow: var(--shadow-medium);
    transform: scale(1.05);
}

/* ============================================ */
/* ARTICLE PAGE - DETAIL VIEW                   */
/* ============================================ */
.article-header {
    margin-bottom: var(--spacing-2xl);
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary-teal);
    font-size: var(--font-size-base);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: rgba(0, 181, 173, 0.1);
    border: 2px solid rgba(0, 181, 173, 0.2);
    transition: all var(--transition-base);
}

.article-back-link:hover {
    background: var(--color-primary-teal);
    color: white;
    transform: translateX(-4px);
    box-shadow: var(--shadow-medium);
}

.article-hero {
    max-width: 900px;
    margin: 0 auto;
}

.article-hero-img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-strong);
    border: 1px solid var(--color-border-medium);
}

.article-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: var(--line-height-tight);
    background: linear-gradient(135deg, 
        var(--color-text-bright) 0%, 
        var(--color-primary-teal) 50%,
        var(--color-primary-turquoise) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-xl);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-medium);
    font-size: var(--font-size-base);
    color: var(--color-text-dim);
    font-weight: 600;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.article-main {
    grid-column: span 1;
}

/* Article Content - Readable Typography */
.article-content {
    padding: var(--spacing-2xl) 0;
}

.article-content.prose {
    max-width: 900px;
}

/* Prose Styles */
.prose h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, 
        var(--color-text-bright) 0%, 
        var(--color-primary-teal) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.prose h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-bright);
}

.prose h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-medium);
}

.prose p {
    color: var(--color-text-medium);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
    margin-bottom: var(--spacing-lg);
}

.prose a {
    color: var(--color-primary-teal);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(0, 181, 173, 0.3);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    transition: all var(--transition-base);
}

.prose a:hover {
    text-decoration-color: var(--color-primary-teal);
    color: var(--color-primary-dark-teal);
}

.prose strong {
    color: var(--color-text-bright);
    font-weight: 700;
}

.prose em {
    color: var(--color-text-medium);
    font-style: italic;
}

.prose blockquote {
    border-left: 4px solid var(--color-primary-teal);
    padding-left: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    background: rgba(0, 181, 173, 0.05);
    padding: var(--spacing-xl);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text-medium);
}

.prose ul, .prose ol {
    padding-left: var(--spacing-2xl);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-medium);
}

.prose li {
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-relaxed);
}

.prose code {
    background: rgba(0, 181, 173, 0.1);
    color: var(--color-primary-teal);
    padding: var(--spacing-2xs) var(--spacing-xs);
    border-radius: var(--radius-xs);
    font-size: 0.9em;
    font-weight: 600;
    font-family: 'Monaco', 'Courier New', monospace;
}

.prose pre {
    background: var(--color-background-void);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    overflow-x: auto;
    margin: var(--spacing-2xl) 0;
    box-shadow: var(--shadow-inner);
}

.prose pre code {
    background: transparent;
    padding: 0;
    color: var(--color-text-bright);
}

.prose-lg {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
}

/* Article Info Box */
.article-info-box {
    margin-top: var(--spacing-2xl);
    background: var(--color-background-card);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-medium);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-subtle);
}

.article-tags-label {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-dim);
    align-self: center;
}

.article-tag {
    background: var(--color-primary-teal);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-base);
}

.article-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    background: var(--color-primary-dark-teal);
}

.article-source-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.article-source-name {
    font-size: var(--font-size-base);
    color: var(--color-text-medium);
    font-weight: 600;
}

.article-source-name strong {
    color: var(--color-text-bright);
    font-weight: 700;
}

.source-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--color-primary-teal);
    color: white;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-medium);
}

.source-button:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-teal);
    background: var(--color-primary-dark-teal);
}

.source-button svg {
    width: 20px;
    height: 20px;
}

/* ============================================ */
/* SIDEBAR - RELATED CONTENT                    */
/* ============================================ */
.article-sidebar {
    grid-column: span 1;
}

.sidebar-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border-medium);
    background: linear-gradient(135deg, 
        var(--color-text-bright) 0%, 
        var(--color-primary-teal) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.related-article {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-md);
    background: var(--color-background-card);
    border: 2px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-soft);
}

.related-article:hover {
    border-color: var(--color-primary-teal);
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.related-article-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.related-article:hover .related-article-img {
    transform: scale(1.1);
}

.related-article-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.related-article-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    line-height: var(--line-height-snug);
    color: var(--color-text-bright);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-base);
}

.related-article:hover .related-article-title {
    background: linear-gradient(135deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.related-article-date {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-dim);
    font-weight: 600;
}

.related-no-articles {
    font-size: var(--font-size-base);
    color: var(--color-text-medium);
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-background-void);
    border-radius: var(--radius-lg);
}

/* ============================================ */
/* FOOTER - CLEAN & MODERN                      */
/* ============================================ */
.footer {
    position: relative;
    border-top: 2px solid var(--color-border-medium);
    background: var(--color-background-void);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.04);
    z-index: 2;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.footer-text {
    font-size: var(--font-size-base);
    color: var(--color-text-medium);
    font-weight: 600;
}

.footer-text strong {
    background: linear-gradient(135deg, 
        var(--color-primary-teal) 0%, 
        var(--color-primary-turquoise) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.footer-links {
    font-size: var(--font-size-sm);
    color: var(--color-text-dim);
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.footer-links a {
    color: var(--color-primary-teal);
    font-weight: 700;
}

.footer-stats {
    background: var(--color-primary-teal);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-strong);
    border: 2px solid var(--color-primary-dark-teal);
}

.footer-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    text-align: center;
}

.footer-stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: white;
    line-height: 1;
}

.footer-stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--spacing-sm);
}

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

/* Small tablets (640px) */
@media (min-width: 640px) {
    .header-container,
    .hero-container,
    .main-content,
    .footer-container {
        padding-left: var(--spacing-2xl);
        padding-right: var(--spacing-2xl);
    }
    
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

/* Medium tablets (768px) */
@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-card {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-card-img-wrapper {
        min-height: 0;
    }
    
    .footer-content {
        flex-direction: row;
        align-items: center;
    }
    
    .article-source-info {
        flex-direction: row;
        align-items: center;
    }
}

/* Large tablets/Desktop (1024px) */
@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .article-layout {
        grid-template-columns: 2fr 1fr;
    }
    
    .article-main {
        grid-column: span 1;
    }
    
    .article-sidebar {
        grid-column: span 1;
    }
}

/* Large Desktop (1280px) */
@media (min-width: 1280px) {
    .header-content {
        height: 88px;
    }
}

/* ============================================ */
/* UTILITY CLASSES                              */
/* ============================================ */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.cursor-pointer {
    cursor: pointer;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================ */
/* PRINT STYLES                                 */
/* ============================================ */
@media print {
    .site-header,
    .footer,
    .article-sidebar,
    .pagination,
    .search-wrapper,
    .ad-slot,
    .source-button,
    .article-back-link {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }
    
    body::before {
        display: none;
    }

    .article-content {
        padding: 0 !important;
    }

    .article-title {
        color: black !important;
        -webkit-text-fill-color: black !important;
    }
}

/* ============================================ */
/* CUSTOM ANIMATIONS                            */
/* ============================================ */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-card {
    animation: fade-in-up 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Stagger animations */
.article-card:nth-child(1) { animation-delay: 50ms; }
.article-card:nth-child(2) { animation-delay: 100ms; }
.article-card:nth-child(3) { animation-delay: 150ms; }
.article-card:nth-child(4) { animation-delay: 200ms; }
.article-card:nth-child(5) { animation-delay: 250ms; }
.article-card:nth-child(6) { animation-delay: 300ms; }
.article-card:nth-child(7) { animation-delay: 350ms; }
.article-card:nth-child(8) { animation-delay: 400ms; }