body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f6f8;
    color: #222;
}

header {
    background-color: #002147;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
}

.logo {
    width: 60px;
    height: 60px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover, .active {
    color: gold;
}

.tracking-section {
    text-align: center;
    margin-top: 100px;
}

.tracking-box input {
    padding: 10px;
    width: 250px;
    border: 2px solid #002147;
    border-radius: 8px;
}

.tracking-box button {
    padding: 10px 15px;
    background-color: gold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

.result-box {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
}

footer {
    background-color: #000;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 100px;
}