:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --danger-color: #dc2626;
    --success-color: #059669;
    --warning-color: #d97706;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: #1e293b;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --code-bg: #1e1e1e;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Header & Navigation */
.site-header {
    background: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.github-link {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white !important;
    border-radius: 6px;
    transition: background 0.2s;
}

.github-link:hover {
    background: #1d4ed8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Search */
.search-container {
    max-width: 600px;
    margin: 2rem auto;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
}

/* Agents Grid */
.agents-section {
    margin-bottom: 4rem;
}

.agents-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.agent-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.agent-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.agent-card h3 {
    margin-bottom: 0.5rem;
}

.agent-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.agent-card h3 a:hover {
    color: var(--primary-color);
}

.agent-vendor {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.agent-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag.category {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary-color);
}

.tag.platform {
    background: rgba(124, 58, 237, 0.2);
    color: var(--secondary-color);
}

.agent-capabilities {
    margin-top: 1rem;
    font-size: 0.875rem;
}

.agent-capabilities ul {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
    color: var(--text-secondary);
}

.card-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
}

.card-link:hover {
    transform: translateX(5px);
}

/* Agent Page */
.agent-page {
    max-width: 900px;
    margin: 0 auto;
}

.agent-header {
    margin-bottom: 2rem;
}

.agent-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.agent-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge.category {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary-color);
}

.badge.vendor {
    background: rgba(124, 58, 237, 0.2);
    color: var(--secondary-color);
}

.badge.platform {
    background: rgba(5, 150, 105, 0.2);
    color: var(--success-color);
}

/* Info Grid */
.agent-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.info-card h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-weight: 600;
    color: var(--text-primary);
}

/* Agent Sections */
.agent-section {
    margin-bottom: 3rem;
}

.agent-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.agent-section h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.capabilities-list {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.capabilities-list li {
    padding: 0.75rem;
    background: var(--card-bg);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
}

/* Content Wrapper */
.content-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

.content-wrapper p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-wrapper ul, .content-wrapper ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-wrapper li {
    margin-bottom: 0.5rem;
}

.content-wrapper strong {
    color: var(--primary-color);
}

/* Code Blocks */
.content-wrapper pre {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.content-wrapper code {
    background: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.875rem;
}

.content-wrapper pre code {
    background: none;
    padding: 0;
}

/* MITRE Tags */
.mitre-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.mitre-tag {
    padding: 0.5rem 1rem;
    background: rgba(220, 38, 38, 0.2);
    color: var(--danger-color);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.mitre-tag:hover {
    background: rgba(220, 38, 38, 0.3);
    transform: translateY(-2px);
}

/* Agent Footer */
.agent-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.btn-back {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.btn-back:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* About Section */
.about-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 3rem;
}

.about-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.about-section ul {
    margin-left: 2rem;
    margin-top: 1rem;
}

.about-section li {
    margin-bottom: 0.75rem;
}

/* Footer */
.site-footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 4rem;
}

.site-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .agents-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        gap: 2rem;
    }
    
    .agent-info-grid {
        grid-template-columns: 1fr;
    }
}