body {
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.8)), url(images/bg-sky-main.png) center center / cover no-repeat fixed;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex;
    flex-direction: column; /* To stack header, main, footer vertically */
    min-height: 100vh;
    color: #f0f0f0; /* Light grey text */
}

header, footer {
    background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent */
    backdrop-filter: blur(5px);
    color: #f0f0f0; /* Light grey text */
    text-align: center;
    padding: 1rem;
    width: 100%;
}

main {
    width: 100%;
    flex-grow: 1; /* Take up all remaining vertical space */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.enclosure {
    background-color: rgba(0, 0, 0, 0.2); /* Semi-transparent black box */
    padding: 2rem 4rem;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 4rem; /* Massive font */
    color: white;
    text-align: center;
    margin: 0;
}

.motto {
    font-style: italic;
    margin-top: 0.5rem;
    font-size: 1.2rem;
    text-align: center;
    color: #f0f0f0;
}

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

.card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    max-width: 300px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card h3 {
    margin-top: 0;
}

.card p {
    color: #f0f0f0;
}

.card button {
    background-color: #0074D9;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}


/* Responsive font size */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    .enclosure {
        padding: 1.5rem 3rem;
    }
}
@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    .enclosure {
        padding: 1rem 2rem;
    }
}