/* General Reset and Base Styles */
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f7f9; /* Light grey/blue background */
    color: #333;
}

header {
    background-color: #0056b3; /* Deep blue for the header */
    color: white;
    padding: 40px 20px;
    text-align: center;
    border-bottom: 5px solid #003d80;
}

header h1 {
    margin-bottom: 5px;
    font-size: 2.5em;
}

header p {
    font-size: 1.2em;
}

main {
    padding: 20px;
    max-width: 1100px;
    margin: 20px auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

section {
    margin-bottom: 30px;
    padding: 15px 0;
}

h2 {
    color: #0056b3; /* Primary blue for main headings */
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 10px;
    margin-top: 0;
    font-size: 1.8em;
}

h3 {
    color: #333;
    font-size: 1.4em;
    margin-top: 20px;
    margin-bottom: 10px;
}

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

ul {
    list-style-type: disc;
    padding-left: 20px;
}

hr {
    border: 0;
    height: 1px;
    background: #ccc;
    margin: 30px 0;
}

/* Category Grid Specific Styles */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.category-card {
    background-color: #f9f9f9;
    padding: 15px;
    border-left: 5px solid #ff7b00; /* Orange highlight for cards */
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.category-card h3 {
    color: #ff7b00;
    margin-top: 0;
}

.category-card ul {
    list-style-type: circle;
    padding-left: 15px;
    font-size: 0.95em;
}

/* Footer Styling */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    color: #666;
    font-size: 0.9em;
    border-top: 1px solid #ddd;
}

footer a {
    color: #0056b3;
    text-decoration: none;
}

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

.small-text {
    font-size: 0.8em;
    display: block;
    margin-top: 5px;
}

/* Enhancements */
strong {
    color: #003d80;
}