body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f4f4f4;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: #333;
    color: white;
    padding: 1rem;
    text-align: center;
    z-index: 1000;
}

.cookie-banner button {
    margin: 0 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

.cookie-banner button:hover {
    background-color: #0056b3;
}

header {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
}

#brand h1 {
    font-size: 2.5rem;
    margin: 0 0 1rem 0;
    font-weight: bold;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    font-size: 1.2rem;
    margin: 0.5rem 0 0;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 2rem;
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    color: #007bff;
    border-bottom: 2px solid #007bff;
    padding-bottom: 0.5rem;
}

ul {
    list-style-type: disc;
    margin-left: 1.5rem;
}

.ejercicio, .curso, .testimonio {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: #e9ecef;
    border-left: 4px solid #007bff;
}

.form-container {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 2rem auto;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 1rem;
}

input, select, button {
    padding: 0.5rem;
    margin-top: 0.5rem;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    cursor: pointer;
    margin-top: 1rem;
}

button:hover {
    background-color: #218838;
}

footer {
    background-color: #333;
    color: white;
    padding: 2rem 1rem;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.newsletter {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 300px;
}

.newsletter label {
    font-size: 0.9rem;
}

.newsletter input[type="email"] {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.newsletter button {
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.newsletter button:hover {
    background-color: #0056b3;
}

.links a {
    color: #007bff;
    margin: 0 1rem;
    text-decoration: none;
}

.links a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    header {
        padding: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .testimonials {
        flex-direction: column;
    }

    .order-form {
        margin: 0 auto;
    }

    footer {
        padding: 1rem;
        text-align: center;
    }

    .newsletter {
        max-width: 100%;
    }
}