body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.header {
    background: linear-gradient(to right, #11C2FE, #004BA7);
    padding: 20px;
    color: white;
    justify-content: center;
    display: flex;
    align-items: center;
    height: 100px;
}

.header-icon {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.header-logo {
    width: 220px;
    height: 40px;

}

h1, h2 {
    text-align: center;
}

h3 {
    color: #333;
    border-bottom: 2px solid #4A90E2;
    padding-bottom: 10px;
}

p, ul {
    line-height: 1.6;
    font-size: 1.1em;
}

ul {
    margin-left: 20px;
}

.language-switch {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 10px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #4A90E2;
    color: white;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #357ABD;
}

button.active {
    background-color: #333;
}

@media (max-width: 600px) {
    h1, h2 {
        font-size: 1.5em;
    }

    p, ul {
        font-size: 1em;
    }

    button {
        font-size: 14px;
        padding: 8px 15px;
    }
}