Efeitos de Background

.gradient-animated {
    background: linear-gradient(45deg, #12c2e9, #c471ed, #f64f59);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.geometric-pattern {
    background-color: #e5e5f7;
    opacity: 0.8;
    background-image: linear-gradient(30deg, #444cf7 12%, transparent 12.5%, transparent 87%, #444cf7 87.5%, #444cf7),
    linear-gradient(150deg, #444cf7 12%, transparent 12.5%, transparent 87%, #444cf7 87.5%, #444cf7),
    linear-gradient(30deg, #444cf7 12%, transparent 12.5%, transparent 87%, #444cf7 87.5%, #444cf7),
    linear-gradient(150deg, #444cf7 12%, transparent 12.5%, transparent 87%, #444cf7 87.5%, #444cf7);
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px;
}

.waves-background {
    background: linear-gradient(45deg, #12c2e9 0%, #c471ed 50%, #f64f59 100%);
    position: relative;
    overflow: hidden;
}

.waves-background::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle at center, transparent 30%, rgba(255,255,255,0.2) 31%);
    background-size: 8px 8px;
    animation: waves 8s linear infinite;
}

@keyframes waves {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}