:root {
    --bg-dark: #0a0a0f;
    --bg-panel: rgba(20, 20, 28, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #ec4899;
    --text-main: #f8fafc;
    --text-secondary: #94a3b8;
    --font-sans: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effects */
.glow-bg {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
    filter: blur(120px);
    z-index: -2;
    pointer-events: none;
}

.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: -1;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* Typography & Utilities */
h1, h2, h3 {
    font-weight: 800;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo {
    height: 36px;
    width: auto;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-main);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-main) !important;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80vh;
    padding: 0 5%;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.35rem 0.8rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    flex: 1;
    max-width: 500px;
    padding: 0;
    overflow: hidden;
}

.code-header {
    background: rgba(0,0,0,0.3);
    padding: 10px 15px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

pre {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: #e2e8f0;
    overflow-x: auto;
}

.keyword { color: #c678dd; }
.string { color: #98c379; }
.comment { color: #7f848e; font-style: italic; }

/* Sections */
section {
    padding: 6rem 5%;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.5px;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.4);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin: 1rem 0;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    font-weight: bold;
}
.claude-icon { color: #d97757; border: 1px solid #d9775733; }
.gpt-icon { color: #10a37f; border: 1px solid #10a37f33; }
.gemini-icon { color: #4285f4; border: 1px solid #4285f433; }
.gpt5-icon { color: #8b5cf6; border: 1px solid #8b5cf633; flex-shrink: 0; }

.gpt5-note {
    margin-top: 2rem;
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.gpt5-content {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.gpt5-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.gpt5-content p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Benchmarks */
.benchmark-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

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

.control-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.toggle-group {
    display: flex;
    gap: 0.5rem;
    background: rgba(0,0,0,0.4);
    padding: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.toggle-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.toggle-btn:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
}

.toggle-btn.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-main);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.bench-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 2rem 0;
}

.bench-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.bench-content.active {
    display: block;
}

.bench-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-card.highlight-card {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.4);
}

.stat-card h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.stat-card.highlight-card .stat-value {
    color: var(--primary);
}

.stat-card .stat-value small {
    font-size: 1rem;
    color: var(--text-secondary);
}

.stat-card .stat-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.bench-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    background: rgba(255,255,255,0.03);
    padding: 1rem;
    border-radius: 8px;
}

/* Install Box */
.install-section {
    max-width: 700px;
    margin: 0 auto;
}

.install-box pre {
    margin: 0;
}

/* Code Block & Copy Button */
.code-block {
    padding: 0;
    overflow: hidden;
}
.code-block .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,0,0,0.5);
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
}
.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    transition: all 0.2s;
}
.copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* Install Selector */
.install-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.install-selector select {
    background: rgba(0,0,0,0.4);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.85rem 2rem;
    border-radius: 8px;
    font-size: 1.05rem;
    font-family: var(--font-sans);
    font-weight: 600;
    cursor: pointer;
    outline: none;
    appearance: none;
    width: 100%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.2s;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2394a3b8%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1.5rem top 50%;
    background-size: 0.8rem auto;
}

.install-selector select:hover {
    border-color: rgba(255,255,255,0.2);
}

.install-selector select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.install-selector select option {
    background-color: var(--bg-dark);
    color: var(--text-main);
    padding: 10px;
}

/* Crawler Section */
.crawler-section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.crawler-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.crawler-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.crawler-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent);
    pointer-events: none;
}

.crawler-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.03);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.crawler-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.crawler-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.crawler-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.crawler-card pre {
    background: #000;
    padding: 1.25rem;
    border-radius: 12px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.code-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: 6px 6px 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: inline-block;
    margin-bottom: -1px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 5%;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.footer-logo img {
    height: 24px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.float-anim {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 4rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .controls-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem; 
    }
    
    .toggle-group { 
        flex-direction: column; 
    }
}