/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --code-bg: #1e293b;
    --success: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

code, pre {
    font-family: 'Fira Code', 'Courier New', monospace;
}

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

a:hover {
    color: var(--primary-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo {
    font-size: 1.5rem;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-dark);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.version-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Code Window */
.code-window {
    background: var(--code-bg);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.code-header {
    background: #1e293b;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid #334155;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #64748b;
}

.code-dot:nth-child(1) {
    background: #ef4444;
}

.code-dot:nth-child(2) {
    background: #f59e0b;
}

.code-dot:nth-child(3) {
    background: #10b981;
}

.code-title {
    margin-left: auto;
    color: #94a3b8;
    font-size: 0.875rem;
}

.code-window pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
    background: #0f172a;
}

.code-window code {
    color: #e2e8f0;
    font-size: 0.875rem;
    line-height: 1.7;
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Quick Start Section */
.quick-start {
    padding: 5rem 0;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 3rem 0;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.code-block {
    background: var(--code-bg);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.code-block code {
    color: #e2e8f0;
    font-size: 0.95rem;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.2s;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.copy-btn.copied {
    background: var(--success);
}

.quick-start-cta {
    text-align: center;
    margin-top: 3rem;
}

.quick-start-cta p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.quick-start-cta .code-block {
    display: inline-flex;
    min-width: 400px;
}

/* Integrations Section */
.integrations {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.integration-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.integration-category {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
}

.integration-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.integration-list {
    list-style: none;
}

.integration-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.integration-list li:before {
    content: "✓ ";
    color: var(--primary-color);
    font-weight: 700;
    margin-right: 0.5rem;
}

.universal-api {
    margin-top: 3rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem;
    border-radius: 0.75rem;
}

.universal-api h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.universal-api p {
    font-size: 1.125rem;
    opacity: 0.95;
}

/* Examples Section */
.examples {
    padding: 5rem 0;
}

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

.example-card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: all 0.2s;
}

.example-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.example-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.example-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.example-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: transform 0.2s;
}

.example-link:hover {
    transform: translateX(4px);
}

/* Documentation Section */
.documentation {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

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

.doc-card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
}

.doc-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.doc-card ul {
    list-style: none;
}

.doc-card ul li {
    margin-bottom: 0.75rem;
}

.doc-card ul li a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

.doc-card ul li a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand .logo {
    font-size: 2rem;
}

.footer-brand .brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-tagline {
    color: var(--text-light);
    margin-top: 0.5rem;
}

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

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-light);
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: var(--text-light);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: var(--text-light);
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-code {
        order: -1;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

    .quick-start-cta .code-block {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .step {
        flex-direction: column;
        gap: 1rem;
    }

    .code-block {
        flex-direction: column;
        gap: 1rem;
    }

    .copy-btn {
        width: 100%;
    }
}