:root {
    /* Primary */
    --purple: hsl(259, 100%, 65%);
    --light-red: hsl(0, 100%, 67%);

    /*Neutral*/
    --white: hsl(0, 0%, 100%);
    --off-white: hsl(0, 0%, 94%);
    --light-grey: hsl(0, 0%, 86%);
    --smokey-grey: hsl(0, 1%, 44%);
    --off-black: hsl(0, 0%, 8%);

    /* Font */
    --family: Poppins;
    --fw-medium: 400;
    --fw-extra-semibold: 700;
    --fw-bold: 800;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


html {
    font-size: 62.5%;
}

body {
    background-color: var(--off-white);
    font-family: var(--family), sans-serif;
    font-size: 1.6rem;
    font-weight: var(--fw-medium);
}

main {
    width: 100%;
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: auto;
    padding: 0 1rem;
}

.container {
    width: 100%;
    max-width: 60rem;
    background-color: var(--white);
    padding: 4rem 2rem;
    border-radius: 20px 20px 100px 20px;
    margin: 4rem 0;
}

.form {
    width: 100%;
}

.form-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    background-color: transparent;
    margin-bottom: 2.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 5rem;
}

.form-label {
    display: inline-block;
    margin-bottom: .5rem;
    text-transform: uppercase;
    font-size: 1rem;
    font-weight: var(--fw-extra-semibold);
    color: var(--smokey-grey);
    letter-spacing: 3px;
}

.form-input {
    display: inline-flex;
    min-height: 5rem;
    border-radius: 5px;
    border: 1px solid var(--light-grey);
    padding: .8rem 1.5rem;
    font-size: 1.8rem;
    font-weight: var(--fw-bold);
    color: var(--off-black);
    margin-bottom: 1rem;
}

.form-input[type=number]::-webkit-inner-spin-button,
.form-input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-label.error {
    color: var(--light-red);
}

.form-input.error {
    border-color: var(--light-red);
}

.error-message {
    font-size: 1rem;
    font-style: italic;
    color: var(--light-red);
    display: none;
}

.divider {
    position: relative;
    margin-bottom: 5rem;
}

.line {
    border: 1px solid var(--off-white);
}

.btn-submit {
    background-color: var(--purple);
    border: none;
    width: 6rem;
    height: 6rem  ;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: .4s ease;
    cursor: pointer;
}

.btn-submit img {
    max-width: 3rem;
}

.btn-submit:hover {
    background-color: var(--off-black);
}

.result {
    font-style: italic;
    font-size: 5rem;
    font-weight: var(--fw-bold);
    line-height: 1;
}

.result span {
    color: var(--purple);
}

@media screen and (min-width: 375px) {

    .form-container {
        flex-direction: initial;
        gap: 1rem;
    }
}

@media screen and (min-width: 768px) {
    .container {
        padding: 4rem;
        border-bottom-right-radius: 150px;
    }
    .form-container {
        max-width: 75%;
        flex-direction: initial;
        gap: 2rem;
    }

    .btn-submit {
        left: initial;
        right: 0;
        transform: translateY(-50%);
    }

    .result {
        font-size: 6rem;
    }
}