html {
    height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

body.container {
    margin: 0;
}
h3 {
    text-align: center;
    color: #2d2e83;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.main-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}
form {
    width: 100%!important;
    background: #d2eef4 !important;
    box-shadow: none!important;
    border-radius: 1rem!important;
}

/* Tablet */
@media (max-width: 1024px) {
    .main-container {
        max-width: 900px;
        padding: 0 30px;
    }
}

/* Mobile landscape */
@media (max-width: 768px) {
    .main-container {
        max-width: 100%;
        padding: 0 20px;
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    .main-container {
        padding: 0 15px;
    }
}


.container-ondulato::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 50px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,30 Q25,0 50,30 T100,30 T150,30 T200,30 L200,120 L0,120 Z' fill='%23ffffff'/%3E%3C/svg%3E");
    background-size: 200px 100%;
    background-repeat: repeat-x;
}

footer {
    position: relative;
    padding: 80px 20px 20px 20px;
    background: #2d2e83;
    text-align: center;
    margin-top: auto;
}

footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 50px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 L0,90 Q25,60 50,90 T100,90 T150,90 T200,90 L200,0 Z' fill='%23ffffff'/%3E%3C/svg%3E");
    background-size: 200px 100%;
    background-repeat: repeat-x;
}