/* Reset and Global Styles */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: linear-gradient(to bottom, #f0f9ff, #cfe7ff);
    color: #333;
}
/* Header */
header {
    background-color: #0044cc;
    padding: 15px 20px;
    color: white;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    height: 50px;
}

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

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

nav ul li a.active, nav ul li a:hover {
    background-color: #0056e6;
}

/* Main Content */
main {
    flex: 1;
    padding: 20px;
    text-align: center;
}

h1 {
    margin: 20px 0;
    font-size: 2rem;
    color: #222;
}

h2 {
    margin-bottom: 20px;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.card {
    background: white;
    padding: 15px;
    width: 250px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.card h3 {
    margin-bottom: 10px;
}

.card button {
    background-color: #22aaff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.card button:hover {
    background-color: #1b8edb;
}

/* Footer */
footer {
    background-color: #222;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: auto;
}

footer a {
    color: #22aaff;
    text-decoration: none;
}