body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background-color: #005b96;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: 20px auto;
}

section {
    background: white;
    margin-bottom: 20px;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

h2 {
    color: #005b96;
    border-bottom: 2px solid #005b96;
    padding-bottom: 5px;
}

footer {
    text-align: center;
    padding: 15px;
    background-color: #333;
    color: white;
    margin-top: 40px;
}
/* --- Navigation Buttons --- */
nav {
    margin-top: 20px;
    display: flex;
    gap: 15px; /* Adds space between the buttons */
    flex-wrap: wrap; /* Keeps them looking nice on small mobile screens */
}

.nav-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #005A9C; /* Greek Blue */
    color: white;
    text-decoration: none; /* Removes the underline */
    border-radius: 5px; /* Rounds the corners */
    font-size: 16px;
    transition: background-color 0.2s ease-in-out;
}

.nav-btn:hover {
    background-color: #003F6D; /* Darkens the button when hovered */
}

/* This style applies only to the page you are currently on */
.nav-btn.active {
    background-color: #002244; /* Even darker blue to show it's pressed */
    font-weight: bold;
    box-shadow: inset 0 3px 5px rgba(0,0,0,0.3); /* Adds a "pressed in" shadow */
}