:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-card: #242938;
    --bg-accent: #2d3548;
    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-gold: #fbbf24;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #374151;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Crimson Pro', serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

/* Background Effects */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, var(--text-primary) 2px, var(--text-primary) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, var(--text-primary) 2px, var(--text-primary) 4px);
    background-size: 50px 50px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

/* Header */
header {
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.5rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.journal-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.logo-text p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 4rem 3rem;
    margin: 3rem 0;
    text-align: center;
}

.hero-banner h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-banner .subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-banner .description {
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Filter Bar */
.filter-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
}

.filter-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* Search Bar */
.search-bar {
    margin-bottom: 3rem;
}

.search-input {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: 'Crimson Pro', serif;
    font-size: 1rem;
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.article-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.article-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.3), rgba(0,0,0,0.1));
}

.article-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 1rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}

.article-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex: 1;
    line-height: 1.7;
}

.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 600;
    transition: gap 0.3s;
}

.read-more:hover {
    gap: 1rem;
}

/* Featured Article */
.featured-article {
    background: var(--bg-card);
    border: 2px solid var(--accent-gold);
    border-radius: 12px;
    padding: 3rem;
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.featured-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.featured-article h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.featured-article .article-excerpt {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.featured-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
}

/* Stats Bar */
.stats-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 3rem 0;
    margin-top: 4rem;
    text-align: center;
}

footer p {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 3rem 0;
}

.page-btn {
    padding: 0.8rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover,
.page-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s forwards;
}

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

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }
.fade-in:nth-child(5) { animation-delay: 0.5s; }
.fade-in:nth-child(6) { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 968px) {
    .featured-article {
        grid-template-columns: 1fr;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .hero-banner h2 {
        font-size: 2rem;
    }

    .header-nav {
        display: none;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .hero-banner {
        padding: 2rem 1.5rem;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .stats-bar {
        grid-template-columns: 1fr;
    }
}