:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --dark-bg: #1a1a2e;
    --light-bg: #f8fafc;
    --text-color: #1e293b;
    --light-text: #64748b;
    --border-color: #e2e8f0;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

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

/* Navigation Bar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 80px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .tagline {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

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

/* Features Section */
.features {
    padding: 80px 20px;
    background-color: var(--white);
}

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

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

.feature-card {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* Installation Section */
.installation {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

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

.step {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

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

code {
    background-color: #f1f5f9;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #e11d48;
    display: block;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Usage Section */
.usage {
    padding: 80px 20px;
    background-color: var(--white);
}

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

.usage-item {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.usage-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.usage-item code {
    text-align: left;
    font-size: 0.85rem;
}

/* Contributing Section */
.contributing {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.contributing > .container > p {
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--light-text);
}

.contributing-steps {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contributing-steps ol {
    list-style-position: inside;
    margin-bottom: 2rem;
}

.contributing-steps li {
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.8;
}

.contributing-steps code {
    display: inline;
    padding: 0.25rem 0.5rem;
    color: #e11d48;
    background-color: #f1f5f9;
}

.contributing-steps a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contributing-steps a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 3rem 20px;
    text-align: center;
}

.footer p {
    margin-bottom: 1rem;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    .nav-links {
        gap: 1rem;
    }

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

    .features h2,
    .installation h2,
    .usage h2,
    .contributing h2 {
        font-size: 1.8rem;
    }

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

    .btn {
        width: 100%;
    }

    .contributing-steps {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .logo {
        font-size: 1.2rem;
    }

    .hero {
        padding: 40px 20px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }
}