:root {
    --bg-main: #0a0a0b;
    --bg-secondary: #131417;
    --bg-surface: #1a1c22;
    --text-primary: #f0f0f2;
    --text-muted: #a1a1aa;
    --accent: #39ff14;         /* Radioactive Neon Green */
    --accent-glow: rgba(57, 255, 20, 0.4);
    --accent-hover: #48ff26;
    --border-color: #27272a;
    
    --terminal-bg: #0d0d0f;
    --terminal-header: #1f1f23;
    
    --font-heading: 'Inter', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: Consolas, 'Fira Code', source-code-pro, Menlo, Monaco, 'Courier New', monospace;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --shadow-soft: 0 8px 30px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 25px var(--accent-glow);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.5rem;
    text-shadow: 0 0 10px var(--accent-glow);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

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

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.github-link:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
    color: #fff !important;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: radial-gradient(circle at top center, rgba(57, 255, 20, 0.08) 0%, transparent 60%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4rem;
    text-align: center;
    width: 100%;
}

.hero-content {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

/* Terminal Mockup */
.terminal-mockup {
    width: 100%;
    max-width: 1000px;
    background: var(--terminal-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.terminal-header {
    background: var(--terminal-header);
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
    margin-left: auto;
    margin-right: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    line-height: 1.5rem;
    overflow-x: auto;
    text-align: center;
}

.terminal-body .output {
    white-space: pre; 
    line-height: 1.15;
}

.prompt {
    color: var(--accent);
    margin-right: 8px;
    font-weight: 600;
}

.status-success { color: var(--accent); margin-right: 8px; }
.status-info { color: #3b82f6; margin-right: 8px; }
.status-muted { color: var(--text-muted); display: block; margin-top: 1rem; }

.cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    background-color: var(--accent);
    vertical-align: middle;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

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

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(57, 255, 20, 0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    height: 60px;
    width: 60px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Installation Section */
.installation {
    padding: 100px 0;
    background: var(--bg-main);
}

/* Setup Grid */
.setup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.setup-step {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3rem 2rem 2rem;
    position: relative;
    text-align: left;
    transition: all 0.3s ease;
}

.setup-step:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.step-icon {
    position: absolute;
    top: -20px;
    left: 2rem;
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: #000;
    font-weight: 800;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.setup-step h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.setup-step p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.code-block.small {
    margin-bottom: 1.5rem;
}

.code-block.small code {
    padding: 1rem;
    font-size: 0.95rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info p {
    color: var(--text-muted);
    margin-top: 1rem;
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title { font-size: 2.8rem; }
    
    .cta-group {
        justify-content: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .terminal-mockup {
        width: 100%;
        min-width: auto;
    }
    
    .command-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 600px) {
    .nav-links { display: none; }
    .hero { padding: 120px 0 60px; }
    .hero-title { font-size: 2.2rem; }
    .install-card { padding: 2rem 1.5rem; }
    .code-block code { font-size: 1rem; }
}