:root {
    scroll-padding: 10rem;
}
header {
    background-color: var(--color-y1);
    padding: 2rem 4rem;
    position: sticky;
    top: 0;
    z-index: 99;
    text-align: center;
    width: unset;
}
header svg {
    max-width: 15rem;
    margin: auto;
}
h1 {
    font-size: var(--fs-1000);
    color: var(--color-r3);
    line-height: 1em;
}
.hero strong,
.hero b {
    color: var(--color-r3);
}
.hero {
    padding-block: 3rem;
    background-color: var(--color-y1);
}
.hero__container {
    text-align: center;
    max-width: 90ch;
    margin: auto;
}
.hero__container img {
    margin-top: 2rem;
}
.form__container.cln {
    background-color: var(--color-b1);
}
.form .hero__container {
    text-align: left;
    padding: 4rem;
    max-width: 65ch;
}
.form.success {
    background-color: var(--color-g1);
}
.valid__titre {
    font-size: var(--fs-400);
}
input.btn {
    border: none;
    cursor: pointer;
}