/* Efeito de Neve de Natal - Elegante e Sutil */
.snow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.snowflake {
    position: absolute;
    top: -10px;
    color: #fff;
    user-select: none;
    pointer-events: none;
    animation-timing-function: ease-in-out;
    animation-iteration-count: 1;
}

/* Animação principal de queda com balanço suave */
@keyframes snowfall {
    0% {
        transform: translate3d(var(--left-ini), 0, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    20% {
        transform: translate3d(var(--left-end), 20vh, 0) rotate(90deg);
    }
    40% {
        transform: translate3d(var(--left-ini), 40vh, 0) rotate(180deg);
    }
    60% {
        transform: translate3d(var(--left-end), 60vh, 0) rotate(270deg);
    }
    80% {
        transform: translate3d(var(--left-ini), 80vh, 0) rotate(360deg);
    }
    95% {
        opacity: 1;
    }
    100% {
        transform: translate3d(var(--left-end), 105vh, 0) rotate(450deg);
        opacity: 0;
    }
}

/* Flocos pequenos e delicados */
.snowflake {
    font-size: 0.8em;
    opacity: 0.7;
    text-shadow: 
        0 0 3px rgba(255, 255, 255, 0.8),
        0 0 8px rgba(255, 255, 255, 0.6),
        0 0 12px rgba(200, 230, 255, 0.4);
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.5));
}

/* Variações sutis de tamanho */
.snowflake:nth-child(3n) {
    font-size: 0.6em;
    opacity: 0.6;
}

.snowflake:nth-child(4n) {
    font-size: 0.9em;
    opacity: 0.8;
}

.snowflake:nth-child(5n) {
    font-size: 0.5em;
    opacity: 0.5;
}

.snowflake:nth-child(7n) {
    font-size: 0.7em;
    opacity: 0.65;
}

/* Blur sutil para profundidade */
.snowflake:nth-child(2n) {
    filter: blur(0.5px) drop-shadow(0 0 2px rgba(255, 255, 255, 0.5));
}

.snowflake:nth-child(5n) {
    filter: blur(1px) drop-shadow(0 0 2px rgba(255, 255, 255, 0.3));
}

.snowflake:nth-child(8n) {
    filter: blur(1.5px) drop-shadow(0 0 2px rgba(255, 255, 255, 0.2));
}