/* Root Variables */
:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --danger-color: #EF4444;
    --dark-bg: #0F172A;
    --light-bg: #F8FAFC;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --border-color: #E2E8F0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

code {
    background-color: var(--light-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366F1 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo {
    font-size: 2rem;
}

.brand-name {
    letter-spacing: 1px;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366F1 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1E293B 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #4F46E5 0%, #10B981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #E2E8F0;
}

.hero .description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: #CBD5E1;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--light-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.feature-card code {
    background: var(--dark-bg);
    color: var(--secondary-color);
    padding: 2px 6px;
}

/* Quickstart Section */
.quickstart {
    padding: 80px 0;
    background: white;
}

.quickstart h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.quickstart-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.quickstart-step {
    background: linear-gradient(135deg, var(--light-bg) 0%, #EFF6FF 100%);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.quickstart-step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.code-block {
    background: var(--dark-bg);
    color: #10B981;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    overflow-x: auto;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.code-block code {
    background: none;
    color: #10B981;
    padding: 0;
}

.quickstart-step p {
    color: var(--text-light);
    margin-top: 1rem;
}

/* Safety Section */
.safety {
    padding: 80px 0;
    background: var(--light-bg);
}

.safety h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.safety-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--secondary-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.safety-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.safety-item p {
    color: var(--text-light);
}

/* Commands Section */
.commands {
    padding: 80px 0;
    background: white;
}

.commands h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.command {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
}

.command:hover {
    box-shadow: var(--shadow);
}

.command code {
    display: block;
    background: var(--dark-bg);
    color: var(--secondary-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.command p {
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-section p {
    color: #CBD5E1;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #CBD5E1;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94A3B8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .features h2,
    .quickstart h2,
    .safety h2,
    .commands h2 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .features-grid,
    .safety-grid,
    .commands-list {
        grid-template-columns: 1fr;
    }

    .quickstart-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.5rem;
        font-size: 0.8rem;
    }

    .hero {
        padding: 50px 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

    .hero .description {
        font-size: 0.95rem;
    }

    .features,
    .quickstart,
    .safety,
    .commands {
        padding: 40px 0;
    }

    .features h2,
    .quickstart h2,
    .safety h2,
    .commands h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
}