:root {
    /* Colors - Brutalist palette */
    --color-bg: #0a0a0a;
    --color-surface: #151515;
    --color-text: #e8e8e8;
    --color-text-muted: #888888;
    --color-accent: #00ff88;
    --color-accent-dim: #00aa66;
    --color-border: #2a2a2a;
    --color-code-bg: #1a1a1a;
    
    /* Typography */
    --font-mono: 'JetBrains Mono', monospace;
    --font-serif: 'Crimson Pro', serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    
    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 15px;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.3s ease;
}

.logo:hover {
    color: var(--color-accent);
    transform: scale(1.05);
}

.logo-bracket {
    color: var(--color-accent);
    font-size: 1.4rem;
}

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

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

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: var(--space-xl) var(--space-md);
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 700px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.highlight {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    width: 100%;
    height: 0.15em;
    background-color: var(--color-accent);
    opacity: 0.3;
    z-index: -1;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.stat {
    border-left: 2px solid var(--color-accent);
    padding-left: var(--space-sm);
    animation: fadeInUp 0.8s ease-out both;
}

.stat:nth-child(1) { animation-delay: 0.4s; }
.stat:nth-child(2) { animation-delay: 0.5s; }
.stat:nth-child(3) { animation-delay: 0.6s; }

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.hero-decoration {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translateY(-50%) scale(1); }
    50% { opacity: 0.5; transform: translateY(-50%) scale(1.1); }
}

/* Sections */
.featured-section,
.articles-section,
.about-section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.section-label {
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.section-header {
    margin-bottom: var(--space-lg);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* Featured Article */
.featured-article {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.featured-article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.featured-article:hover::before {
    transform: scaleY(1);
}

.featured-article:hover {
    border-color: var(--color-accent);
    transform: translateX(8px);
}

.article-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-accent);
    background-color: rgba(0, 255, 136, 0.1);
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.article-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.article-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: var(--color-accent);
}

.article-excerpt {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.meta-separator {
    color: var(--color-border);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-md);
}

.article-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-md);
    transition: all 0.3s ease;
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.article-card:hover::before {
    transform: scaleX(1);
}

.article-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.card-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.card-title a:hover {
    color: var(--color-accent);
}

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

/* About Section */
.about-section {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.about-text {
    max-width: var(--content-width);
    margin-bottom: var(--space-lg);
}

.about-text p {
    margin-bottom: var(--space-sm);
    line-height: 1.8;
    color: var(--color-text-muted);
}

.about-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.about-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.about-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.about-link svg {
    width: 20px;
    height: 20px;
}

/* Footer */
.footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-md);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-right {
    text-align: right;
}

.footer-right p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.footer-note {
    font-size: 0.75rem;
    color: var(--color-border);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-sm);
    }
    
    .nav-links {
        gap: var(--space-sm);
    }
    
    .hero {
        padding: var(--space-lg) var(--space-sm);
        min-height: auto;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .hero-decoration {
        display: none;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-right {
        text-align: center;
    }
    
    .about-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-article,
    .article-card {
        padding: var(--space-sm);
    }
}

/* Animations for scroll reveal */
.fade-in {
    animation: fadeInUp 0.8s ease-out both;
}