/* styles.css */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background: #f4f7fa;
}

header {
    background: linear-gradient(90deg, #2c3e50, #3498db);
    color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #e74c3c;
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: white;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

h1, h2, h3 {
    color: #2c3e50;
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
}

button {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    border-radius: 5px;
    transition: background 0.3s;
}

button:hover {
    background: #c0392b;
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem;
    position: relative;
    bottom: 0;
    width: 100%;
}

footer a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
}

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

ul {
    padding-left: 20px;
}

.callout {
    background: #ecf0f1;
    padding: 1rem;
    border-left: 4px solid #e74c3c;
    font-style: italic;
    color: #2c3e50;
}

@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    h1 {
        font-size: 2rem;
    }
}