body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f7fa;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #003366;
    color: white;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 1px;
}

.tagline {
    font-size: 14px;
    margin-top: 5px;
    opacity: 0.8;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    text-align: center;
}

.welcome-message {
    max-width: 600px;
    margin-bottom: 40px;
}

.welcome-message h1 {
    font-size: 36px;
    color: #003366;
    margin-bottom: 15px;
}

.welcome-message p {
    font-size: 18px;
    line-height: 1.6;
    color: #555;
}

.login-btn {
    background-color: #003366;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 18px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 51, 102, 0.2);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.login-btn:hover {
    background-color: #004080;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 51, 102, 0.3);
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
}