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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

header {
    text-align: center;
    padding: 40px 20px;
    color: white;
}

.logo h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.tagline {
    font-size: 1.3rem;
    opacity: 0.95;
}

main {
    background: white;
    border-radius: 20px;
    padding: 40px;
    margin: 20px 0;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.hero {
    text-align: center;
    padding: 40px 0;
}

.hero-content h2 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.telegram-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #0088cc;
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.telegram-button:hover {
    background: #006ba3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.4);
}

.telegram-button.large {
    padding: 18px 40px;
    font-size: 1.2rem;
}

.telegram-icon {
    font-size: 1.3rem;
}

.features {
    margin: 60px 0;
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    color: #667eea;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

.how-it-works {
    margin: 60px 0;
    text-align: center;
}

.how-it-works h2 {
    font-size: 2.2rem;
    color: #667eea;
    margin-bottom: 40px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step {
    position: relative;
    padding: 30px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.step h3 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.step p {
    color: #666;
}

.cta {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    color: white;
    margin: 60px 0;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta .telegram-button {
    background: white;
    color: #667eea;
}

.cta .telegram-button:hover {
    background: #f0f0f0;
    color: #764ba2;
}

footer {
    text-align: center;
    padding: 30px;
    color: white;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .logo h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .steps {
        grid-template-columns: 1fr;
    }
    
    main {
        padding: 20px;
    }
}