/* Body */
body {
    background: #f4f7fb;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    font-size: 1rem;
}

/* Header */
header {
    background: linear-gradient(135deg, #4a6cf7, #8a6ff7);
    color: white;
    text-align: center;
    padding: 2rem;
}

/* Navigation */
nav {
    background-color: #1a1f4b;
    padding: 1rem;
    text-align: center;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin: 1rem;
    font-weight: bold;
    font-size: 1rem;
    transition: 0.3s;
}

nav a:hover {
    color: #6ab1ff;
}

/* Sections */
section, article {
    background-color: #c1d3ff;
    color: #333333;
    margin: 1.5rem auto;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 0.25rem 1rem rgba(0,0,0,0.1);
    max-width: 90%;
}

/* Headings */
h1 {
    font-size: 2.5rem;
    color: #3b1f72;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.2);
}

h2 {
    font-size: 2rem;
    color: #2a3d91;
    border-bottom: 0.2rem solid #2a3d91;
    display: inline-block;
    padding-bottom: 0.5rem;
}

/* Highlight */
.highlight {
    color: #ff6f91;
    font-weight: bold;
}

/* Footer */
footer {
    background-color: #1a1f4b;
    color: #e0e0e0;
    text-align: center;
    padding: 1rem;
}