body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a2472;
    min-height: 100vh;
    overflow: hidden;
}

.animated-background {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(45deg, #0a2472, #1e3799);
    z-index: -1;
}

.cube {
    position: absolute;
    background: linear-gradient(45deg, rgba(100, 181, 246, 0.1), rgba(33, 150, 243, 0.1));
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: float 20s infinite;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

.cube:nth-child(1) { width: 200px; height: 200px; top: 10%; left: 10%; }
.cube:nth-child(2) { width: 300px; height: 300px; top: 40%; left: 50%; animation-delay: 2s; }
.cube:nth-child(3) { width: 150px; height: 150px; top: 70%; left: 20%; animation-delay: 4s; }
.cube:nth-child(4) { width: 250px; height: 250px; top: 20%; left: 70%; animation-delay: 6s; }
.cube:nth-child(5) { width: 180px; height: 180px; top: 60%; left: 80%; animation-delay: 8s; }

@keyframes float {
    0% { transform: translateY(0) rotate(0deg) scale(1); }
    25% { transform: translateY(-50px) rotate(90deg) scale(1.1); }
    50% { transform: translateY(-100px) rotate(180deg) scale(1); }
    75% { transform: translateY(-50px) rotate(270deg) scale(0.9); }
    100% { transform: translateY(0) rotate(360deg) scale(1); }
}

.card {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 60px 80px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 700px;
    max-width: 90vw;
    text-align: center;
    color: white;
}

.card h2 {
    color: #64b5f6;
    margin-bottom: 40px;
    font-size: 42px;
    text-shadow: 0 0 20px rgba(100, 181, 246, 0.6);
    letter-spacing: 2px;
}

.card-content {
    font-size: 20px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}