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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #F3F3F3;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #333;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.content {
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    animation: fadeIn 0.6s ease-in;
    width: 100%;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title {
    font-size: 23px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 40px;
    line-height: 1.4;
}

.telegram-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #0084FF;
    color: #FFFFFF;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
}

.telegram-button:hover {
    background: #0066c5;
}

.telegram-button:active {
    background: #0066c5;
}

.telegram-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    body {
        padding: 16px;
    }
    
    .content {
        padding: 50px 30px;
    }
    
    .title {
        font-size: 24px;
        margin-bottom: 35px;
    }
    
    .telegram-button {
        padding: 14px 28px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 12px;
    }
    
    .content {
        padding: 40px 20px;
        border-radius: 8px;
    }
    
    
    .title {
        font-size: 20px;
        margin-bottom: 30px;
        line-height: 1.3;
    }
    
    .telegram-button {
        width: 100%;
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .telegram-icon {
        width: 20px;
        height: 20px;
    }
}

@media (min-width: 481px) and (max-width: 1024px) {
    .content {
        max-width: 500px;
    }
}

@media (min-width: 1025px) {
    .content {
        max-width: 600px;
    }
}

@media print {
    body {
        background: white;
    }
    
    .content {
        box-shadow: none;
    }
    
    .telegram-button {
        display: none;
    }
}