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

:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16162a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-size: 12px;
    color: var(--text-secondary);
}

.nav {
    display: flex;
    gap: 24px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    padding: 60px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 8px;
}

.hero-meta {
    color: var(--text-secondary);
    font-size: 14px;
}

.highlight {
    color: var(--accent-cyan);
    font-weight: 600;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px 32px;
    text-align: center;
    min-width: 140px;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Filter */
.filter {
    padding: 20px 0;
    position: sticky;
    top: 73px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    z-index: 90;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s;
}

.filter-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-color: transparent;
    color: white;
}

/* News Grid */
.news {
    padding: 40px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.news-card-header {
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

.news-card-body {
    padding: 20px;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.news-category.models { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.news-category.tools { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.news-category.research { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }
.news-category.opensource { background: rgba(249, 115, 22, 0.2); color: #fb923c; }
.news-category.industry { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-summary {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.news-tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.news-source {
    font-size: 12px;
    color: var(--text-secondary);
}

.news-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-link:hover {
    text-decoration: underline;
}

/* Projects */
.projects {
    padding: 60px 0;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-blue);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.project-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.project-name {
    font-size: 16px;
    font-weight: 600;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.project-stats {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.project-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-brand h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links h5 {
    font-size: 14px;
    margin-bottom: 12px;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .stats {
        flex-direction: column;
        align-items: center;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .nav {
        display: none;
    }
}