body {
    margin: 0;
    padding: 0;
    font-family: 'Orbitron', sans-serif; /* Futuristic font */
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.futuristic-bg {
    background: linear-gradient(135deg, #0A001F 0%, #20005F 50%, #000040 100%); /* Dark purple to dark blue */
    position: relative;
    overflow: hidden;
    min-height: 100vh; /* Ensure full viewport height */
    display: flex; /* Use flexbox for centering content */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px; /* Add some padding */
}

/* Background particle effect (optional, but adds to futuristic feel) */
.futuristic-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(72, 0, 102, 0.3) 0%, transparent 50%),
    radial-gradient(circle at bottom right, rgba(0, 102, 204, 0.3) 0%, transparent 50%);
    opacity: 0.7;
    z-index: 1;
    animation: pulse 10s infinite alternate; /* Subtle breathing animation */
}

@keyframes pulse {
    0% {
        opacity: 0.7;
        transform: scale(1);
    }
    100% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}


.container-fluid {
    z-index: 2; /* Ensure content is above background effect */
}

.text-white {
    color: #E0E0FF !important; /* Slightly off-white for futuristic text */
    text-shadow: 0 0 10px rgba(102, 0, 204, 0.5); /* Subtle glow */
}

.text-white-50 {
    color: rgba(224, 224, 255, 0.7) !important;
}

.display-3 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
}

.lead {
    font-family: 'Share Tech Mono', monospace; /* Monospace for description */
    font-size: 1.25rem;
}

.choices-container {
    max-width: 1200px; /* Limit width of choices for better readability */
    margin-top: 50px;
    z-index: 2; /* Ensure cards are above background effect */
}

.choice-card {
    background: rgba(15, 0, 45, 0.6); /* Dark translucent purple */
    border: 1px solid rgba(70, 0, 140, 0.8); /* Purple border */
    border-radius: 15px;
    padding: 30px;
    color: #E0E0FF;
    text-decoration: none;
    transition: all 0.3s ease-in-out;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    height: 100%; /* Ensure cards in a row have equal height */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.choice-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: #6600CC; /* Brighter purple on hover */
}

/* Glow effect on hover */
.choice-card.glow-on-hover:hover {
    box-shadow:
            0 0 15px #8A2BE2, /* Purple */
            0 0 30px #4169E1, /* Royal Blue */
            0 0 45px #00BFFF; /* Deep Sky Blue */
}

.choice-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(138, 43, 226, 0.2) 0%, transparent 70%); /* Subtle internal glow */
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    z-index: 0;
}

.choice-card:hover::before {
    opacity: 1;
}

.card-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #C0C0FF; /* Lighter purple for titles */
    text-shadow: 0 0 8px rgba(102, 0, 204, 0.4);
    z-index: 1; /* Ensure title is above internal glow */
}

.card-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem;
    color: #A0A0E0; /* Slightly desaturated for body text */
    flex-grow: 1; /* Allow text to take up available space */
    z-index: 1;
}

.card-link-icon {
    font-size: 2.5rem; /* Larger arrow icon */
    color: #00BFFF; /* Bright blue for the icon */
    align-self: flex-end; /* Push icon to the bottom right */
    margin-top: 20px;
    transition: transform 0.2s ease-in-out;
    z-index: 1;
}

.choice-card:hover .card-link-icon {
    transform: translateX(5px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
    }
    .lead {
        font-size: 1rem;
    }
    .card-title {
        font-size: 1.5rem;
    }
    .card-text {
        font-size: 0.9rem;
    }
    .card-link-icon {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .choice-card {
        padding: 20px;
    }
    .card-title {
        font-size: 1.3rem;
    }
}