:root {
    --primary-color: #2C3E50;
    --secondary-color: #34495E;
    --accent-color: #3498DB;
    --success-color: #2ECC71;
    --background-light: #f8f9fa;
    --text-dark: #2C3E50;
    --text-light: #7f8c8d;
    --spacing-unit: 1rem;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.header {
    background-color: white;
    padding: 2rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo {
    display: block;
    margin: 0 auto;
    max-width: 300px;
    height: auto;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    opacity: 0.9;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.tech-stack {
    background-color: white;
    padding: 3rem 0;
    margin: 3rem 0;
}

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

.tech-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--background-light);
    border-radius: 8px;
}

.how-to-section {
    margin: 3rem 0;
}

.steps-list {
    list-style: none;
    counter-reset: step;
    margin: 2rem 0;
}

.step-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.step-item::before {
    counter-increment: step;
    content: counter(step);
    min-width: 2rem;
    height: 2rem;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #2980b9;
}

.feature-content {
    margin-top: 1rem;
    line-height: 1.8;
}

.text-center {
    text-align: center;
}

@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 2rem 0;
    }

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