/* Efeito de partículas no background */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--cor-secundaria);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 20s infinite;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 15s;
}

.particle:nth-child(2) {
    left: 25%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    left: 40%;
    animation-delay: 4s;
    animation-duration: 22s;
}

.particle:nth-child(4) {
    left: 55%;
    animation-delay: 1s;
    animation-duration: 17s;
}

.particle:nth-child(5) {
    left: 70%;
    animation-delay: 3s;
    animation-duration: 20s;
}

.particle:nth-child(6) {
    left: 85%;
    animation-delay: 5s;
    animation-duration: 19s;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) scale(1.5);
        opacity: 0;
    }
}

/* Efeito de brilho sutil */
.glow-effect {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(227, 125, 79, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    animation: move-glow 30s ease-in-out infinite;
}

@keyframes move-glow {
    0%, 100% {
        top: -300px;
        left: -300px;
    }
    25% {
        top: -200px;
        left: 50%;
    }
    50% {
        top: 50%;
        left: calc(100% - 300px);
    }
    75% {
        top: calc(100% - 300px);
        left: 20%;
    }
}