/* Animation de fond luxueuse - Version améliorée */
.luxury-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.luxury-particle {
    position: absolute;
    background: radial-gradient(circle at center, rgba(255, 215, 0, 0.9) 0%, rgba(255, 215, 0, 0) 70%);
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle var(--duration, 15s) ease-in-out infinite;
    animation-delay: var(--delay, 0s);
    width: var(--size, 10px);
    height: var(--size, 10px);
    filter: blur(1px);
}

@keyframes floatParticle {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: var(--opacity, 0.3);
    }
    50% {
        opacity: var(--opacity, 0.3);
    }
    90% {
        opacity: 0;
    }
    100% {
        transform: translate(var(--move-x, 100px), var(--move-y, -100px)) rotate(var(--rotate, 180deg));
    }
}

/* Effet de lueur subtil sur le fond */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.05), transparent 70%);
    pointer-events: none;
    z-index: -2;
    animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    0% {
        opacity: 0.4;
    }
    100% {
        opacity: 0.8;
    }
}

/* Ajout d'un effet de scintillement */
.sparkle {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0;
    width: 2px;
    height: 2px;
    filter: blur(0.5px);
    animation: sparkle var(--sparkle-duration, 4s) ease-in-out infinite;
    animation-delay: var(--sparkle-delay, 0s);
    z-index: 1;
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: var(--sparkle-opacity, 0.8);
        transform: scale(1);
    }
}