/* Animated cosmic background */
.cosmic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #16213e 35%, #0f0f23 100%);
    z-index: -3;
}

/* Floating particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: float 6s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) translateX(100px);
        opacity: 0;
    }
}

/* Glowing orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(60px);
    animation: floatOrb 8s ease-in-out infinite;
    z-index: -2;
}

.glow-orb-1 {
    width: 200px;
    height: 200px;
    background: rgba(102, 126, 234, 0.3);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.glow-orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(240, 147, 251, 0.2);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.glow-orb-3 {
    width: 150px;
    height: 150px;
    background: rgba(79, 172, 254, 0.4);
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -30px) scale(1.1); }
    50% { transform: translate(-15px, 20px) scale(0.9); }
    75% { transform: translate(25px, 10px) scale(1.05); }
}