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

:root {
    --color-bg: #0a0a0f;
    --color-surface: #12121a;
    --color-surface-raised: #1a1a25;
    --color-border: #2a2a3a;
    --color-border-subtle: #1e1e2e;
    
    --color-text: #e8e8f0;
    --color-text-secondary: #8a8a9a;
    --color-text-muted: #6a6a7a;
    
    --color-accent: #00d4aa;
    --color-accent-light: #00f0c0;
    --color-accent-dark: #00a880;
    --color-accent-glow: rgba(0, 212, 170, 0.15);
    
    --color-danger: #ff4757;
    --color-warning: #ffa502;
    --color-info: #3498db;
    
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
    
    --container-width: 1200px;
    --container-padding: 1.5rem;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-accent-glow);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

/* Noise Texture */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-light);
}

/* Masthead */
.masthead {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.masthead-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.masthead-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.masthead-date {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    font-weight: 600;
}

.masthead-issue {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.masthead-center {
    text-align: center;
    flex: 1;
}

.masthead-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    text-shadow: 0 0 10px var(--color-accent-glow);
}

.masthead-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.masthead-tagline {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.masthead-right {
    display: flex;
    align-items: center;
}

/* Buttons */
.btn-subscribe {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--color-accent);
}

.btn-subscribe:hover {
    background: var(--color-accent-light);
    color: var(--color-bg);
    box-shadow: var(--shadow-glow);
}

.btn-hero {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    margin-top: 1rem;
}

.btn-hero:hover {
    background: var(--color-accent-light);
    color: var(--color-bg);
    box-shadow: var(--shadow-glow);
}

/* Site Navigation */
.site-nav {
    background: var(--color-surface-raised);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-nav-inner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.site-nav-inner::-webkit-scrollbar {
    display: none;
}

.site-nav-inner a {
    padding: 0.5rem 1rem;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.site-nav-inner a:hover {
    color: var(--color-accent);
    background: var(--color-accent-glow);
}

/* Main Content */
.main-content {
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    margin-bottom: 3rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.hero-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.hero-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.hero-tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: var(--color-accent-glow);
    color: var(--color-accent);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--color-text);
}

.hero-excerpt {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.hero-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.hero-meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.hero-side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.side-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all 0.3s ease;
    flex: 1;
}

.side-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.side-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-surface-raised);
    color: var(--color-text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

.side-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.side-excerpt {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.side-card-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* Sections */
.articles-section {
    margin-bottom: 4rem;
}

.section-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Article Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.article-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.article-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-surface-raised);
    color: var(--color-text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    align-self: flex-start;
}

.article-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text);
    line-height: 1.3;
}

.article-card-excerpt {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    flex: 1;
}

.article-card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.card-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    align-self: flex-start;
}

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

/* Footer */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--color-text);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-newsletter p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input {
    flex: 1;
    padding: 0.6rem 0.75rem;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.85rem;
    transition: border-color 0.2s ease;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.newsletter-input::placeholder {
    color: var(--color-text-muted);
}

.btn-newsletter {
    padding: 0.6rem 1rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.8rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-newsletter:hover {
    background: var(--color-accent-light);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

.footer-legal a:hover {
    color: var(--color-accent);
}

/* Archive Styles */
.archive-month {
    margin-bottom: 2rem;
}

.archive-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: baseline;
}

.archive-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    min-width: 100px;
}

.archive-link {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
    min-width: 200px;
}

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

.archive-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: var(--color-accent-glow);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.archive-read {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.archive-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: var(--color-surface-raised);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.archive-note {
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--color-surface-raised);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm);
}

.archive-footer {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--color-surface-raised);
    border-radius: var(--radius-md);
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .masthead-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .masthead-center {
        order: -1;
        margin-bottom: 0.5rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-card, .side-card, .article-card {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-card, .hero-card, .side-card {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

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