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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: white;
    text-align: center;
}

.container {
    padding: 20px 20px;
    max-width: 800px;
    margin: auto;
}

h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.buttons {
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    margin: 10px;
    font-size: 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s ease;
}

.btn-web {
    background-color: #00c853;
    color: white;
}

.btn-web:hover {
    background-color: #009624;
    transform: scale(1.05);
}

.btn-android {
    background-color: #ff6f00;
    color: white;
}

.btn-android:hover {
    background-color: #e65100;
    transform: scale(1.05);
}

footer {
    margin-top: 100px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    font-size: 14px;
}