body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
                url('https://images.unsplash.com/photo-1519681393784-d120267933ba') center/cover;
    font-family: 'Arial', sans-serif;
    color: white;
    overflow: hidden;
}

.welcome-container {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    z-index: 2;
    position: relative;
}

h1 {
    font-size: 3.5em;
    margin: 0;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    letter-spacing: 2px;
    animation: textGlow 3s ease-in-out infinite alternate;
}

.mountains {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1519681393784-d120267933ba') center/cover;
    filter: brightness(0.4);
    z-index: -1;
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 0;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: twinkle 1.5s infinite;
}

@keyframes textGlow {
    from {
        text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    }
    to {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.3),
                   2px 2px 8px rgba(0, 0, 0, 0.7);
    }
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }
}