.form-bg {
    background: black;
    width: 100%;
    display: flex;
    justify-content: center;
}

.form-container {
    height: fit-content;
    width: 80%;
    min-width: 400px;
    max-width: 800px;
    background: white;
    margin: 80px;
    padding: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.form-container h1 {
    margin: 20px auto 0 auto;
    width: 80%;
    text-align: center;
}

form {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: left;
}

.form-inputs {
    display: flex;
    flex-direction: column;
    gap: 50px;
    padding: 50px 0;
}

.form-inputs > div {
    position: relative;
}

.form-inputs input {
    width: 200px;
    height: 20px;
    outline: none;
    border: none;
    display: block;
    font-size: 18px;
}

.req {
    height: 0;
    margin: 0;
    padding: 0;
    transform: translateY(-4px);
    color: red;
}

form > button {
    width: fit-content;
}

form > p,
form > p > a {
    color: var(--grey-dark);
    font-size: 12px;
}

.form-inputs input ~ .underline {
    position: absolute;
    bottom: -5px;
    height: 2px;
    width: 50%;
    min-width: 250px;
    background: var(--grey-dark);
}

.form-inputs input ~ .underline::before {
    position: absolute;
    content: "";
    height: 100%;
    width: 100%;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 500ms ease;
}

.form-inputs input:focus ~ .underline::before,
.form-inputs input:not(:placeholder-shown) ~ .underline::before {
    transform: scaleX(1);
}

.form-inputs input:invalid:not(:focus):not(:placeholder-shown) ~ .underline::before {
    background: red;
}

.form-inputs input:invalid:not(:focus):not(:placeholder-shown) ~ label {
    color: red;
}

#js_send:disabled,
#js_send_contact:disabled {
    background: var(--grey-dark);
    pointer-events: none;
}

.form-inputs input ~ label {
    display: flex;
    gap: 10px;
    position: absolute;
    bottom: -2px;
    left: 2px;
    pointer-events: none;
    font-size: 18px;
    color: var(--grey-dark);
    transition: transform 500ms ease, font-size 500ms ease;
}

.form-inputs input:focus ~ label,
.form-inputs input:not(:placeholder-shown) ~ label {
    transform: translateY(-25px);
    font-size: 14px;
    color: var(--primary-color)
}

.form-container > p,
.form-container > p a {
    font-size: 12px;
    color: var(--grey-dark);
}

/* MODAL POPUP */

#response_modal,
#response_modal_contact {
    z-index: 6;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    background-color: white;
    margin: 0 auto;
    padding: 20px;
    width: 80%;
    max-width: 600px;
    min-width: 300px;

    display: flex;
    flex-direction: column;
}

.modal-content p {
    margin-top: 0;
}

#close_modal_button,
#close_modal_button_contact {
    margin: 0 auto;
    width: fit-content;
}