/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: #4a5568;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #f1f5f9;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
}

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

.nav-links a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #1a1a1a;
}

.btn-github {
    background: #1a1a1a;
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
}

.btn-github:hover {
    background: #333 !important;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #1a1a1a;
    color: white;
}

.btn-primary:hover {
    background: #333;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: #1a1a1a;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    border-color: #1a1a1a;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #fafafa 0%, #f8fafc 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a1a;
}

.stat-label {
    font-size: 0.875rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Terminal Demo */
.terminal {
    background: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.terminal-header {
    background: #2d2d2d;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #ff5f56; }
.btn-minimize { background: #ffbd2e; }
.btn-maximize { background: #27ca3f; }

.terminal-title {
    margin-left: auto;
    color: #a0a0a0;
    font-size: 0.875rem;
}

.terminal-body {
    padding: 1.5rem;
    color: #ffffff;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.875rem;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.prompt {
    color: #64748b;
    margin-right: 0.5rem;
}

.command {
    color: #ffffff;
}

.terminal-output {
    margin-top: 1rem;
    color: #a0a0a0;
}

.terminal-output .success {
    color: #22c55e;
}

/* Features Section */
.features {
    padding: 6rem 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #f1f5f9;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #e2e8f0;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
}

/* Installation Section */
.installation {
    padding: 6rem 0;
    background: #fafafa;
}

.installation h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.installation-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 3rem;
}

.install-tabs {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.tab-buttons {
    display: flex;
    background: #f8f9fa;
    border-bottom: 1px solid #e2e8f0;
}

.tab-btn {
    flex: 1;
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    color: #64748b;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    color: #1a1a1a;
    background: #f1f5f9;
}

.tab-btn.active {
    color: #1a1a1a;
    background: white;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: #1a1a1a;
}

.tab-content {
    padding: 2rem;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #f1f5f9;
}

.install-step:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: #1a1a1a;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.installation-note {
    max-width: 600px;
    margin: 3rem auto 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 8px;
}

.note-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: #0ea5e9;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.note-content {
    color: #0c4a6e;
    font-size: 0.875rem;
}

.install-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.install-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.install-card h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.code-block {
    position: relative;
    background: #1a1a1a;
    color: #ffffff;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.875rem;
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: #333;
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #555;
}

/* Usage Section */
.usage {
    padding: 4rem 0;
    background: #fafafa;
}

.usage h2 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2.5rem;
}

.quickstart-steps {
    max-width: 800px;
    margin: 0 auto 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.step-number {
    width: 28px;
    height: 28px;
    background: #1a1a1a;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.step h3 {
    margin: 0;
    color: #1a1a1a;
    font-size: 1.125rem;
    font-weight: 600;
}

.step-code {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 1rem;
    position: relative;
}

.step-code code {
    display: block;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.875rem;
    color: #1a1a1a;
    line-height: 1.5;
    white-space: pre-line;
}

.step-code .copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: #1a1a1a;
    color: white;
    border: none;
    padding: 0.375rem 0.625rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.step-code .copy-btn:hover {
    background: #333;
    transform: scale(1.05);
}

.example-section {
    max-width: 1000px;
    margin: 0 auto;
}

.example-section h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #1a1a1a;
}

.example-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.example-code {
    background: #1e1e1e;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.window-header {
    background: #2d2d30;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #3e3e42;
}

.window-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.control.red {
    background: #ff5f57;
}

.control.yellow {
    background: #ffbd2e;
}

.control.green {
    background: #28ca42;
}

.window-title {
    color: #cccccc;
    font-size: 0.875rem;
    font-weight: 500;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.window-header .copy-btn {
    background: #007acc;
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.window-header .copy-btn:hover {
    background: #005a9e;
    transform: scale(1.05);
}

.example-code pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
    background: #1e1e1e;
}

.example-code code {
    color: #d4d4d4;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Syntax Highlighting */
.keyword {
    color: #569cd6;
    font-weight: 500;
}

.string {
    color: #ce9178;
}

.interpolation {
    color: #9cdcfe;
}

.comment {
    color: #6a9955;
    font-style: italic;
}

.method {
    color: #dcdcaa;
}

.class {
    color: #4ec9b0;
}

.builtin {
    color: #c586c0;
}

.number {
    color: #b5cea8;
}

.example-benefits {
    padding: 2rem;
    background: #f8fafc;
}

.example-benefits h4 {
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.benefit-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: #1a1a1a;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.benefit-item strong {
    display: block;
    color: #1a1a1a;
    margin-bottom: 0.25rem;
}

.benefit-item p {
    color: #64748b;
    margin: 0;
    font-size: 0.875rem;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta p {
    color: #a0a0a0;
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

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

.cta .btn-primary {
    background: white;
    color: #1a1a1a;
}

.cta .btn-primary:hover {
    background: #f8f9fa;
}

.cta .btn-secondary {
    border-color: #555;
    color: white;
}

.cta .btn-secondary:hover {
    border-color: white;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #a0a0a0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: #a0a0a0;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: #64748b;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-links {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .install-options {
        grid-template-columns: 1fr;
    }
    
    .usage-example {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}