:root {
    /* Primary */

    --orange: hsl(25, 97%, 53%);

    /* Neutral */

    --white: hsl(0, 0%, 100%);
    --light-grey: hsl(217, 12%, 63%);
    --medium-grey: hsl(210, 18%, 54%);
    --medium-dark-blue: hsl(210, 19%, 18%);
    --dark-blue: hsl(216, 21%, 15%);
    --very-dark-blue: hsl(216, 12%, 8%);
}

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

body, .icon-star, .rate-box, .submit, .thanks-section, .container, .checkmark {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

html {
    font-size: 62.5%;
    font-family: 'Overpass', sans-serif;
    color: var(--white);
}

body {
    width: 100vw;
    height: 100vh;
    background-color: var(--very-dark-blue);
}

main {
    width: 90%;
    max-width: 375px;
    height: calc(375px*0.97);
    background-color: var(--dark-blue);
    border-radius: 1.5rem;
    margin-bottom: 1rem;
}

.rating-section {
    width: 90%;
    /* max-width: calc(375px*0.9); */
    height: auto;
    margin: 3rem auto;
}

.icon-star {
    width: 4rem;
    height: 4rem;
    background-color: var(--medium-dark-blue);
    border-radius: 50%;
    margin-bottom: 2rem;
}

.text-box {
    width: 100%;
    height: auto;
}

.text-box h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.text-box p {
    line-height: 2rem;
    color: var(--light-grey);
    font-weight: 400;
    font-size: 1.5rem;
    margin-bottom: 2.4rem;
}

.rate-box {
    flex-direction: row;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.container {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.container input {
    position: absolute;
    cursor: pointer;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark {
    width: 5rem;
    height: 5rem;
    padding-top: 0.4rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: 400;
    background-color: var(--medium-dark-blue);
    color: var(--light-grey);
}

.checkmark:hover {
    background-color: var(--orange);
    color: var(--white);
}

.container input:checked ~ .checkmark {
    background-color: var(--medium-grey);
    color: var(--white);
}

.submit {
    width: 100%;
    height: auto;
    background-color: var(--orange);
    border-radius: 2.5rem;
    border: none;
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--white);
    font-family: 'Overpass', sans-serif;
    padding: 1.6rem 0 1.2rem;
    cursor: pointer;
}

.submit:hover {
    background-color: var(--white);
    color: var(--orange);
}

.required {
    padding-top: 0.5rem;
    color: var(--orange);
    font-size: 1rem;
    font-weight: 400;
    text-align: center;
}

.thanks-section {
    width: 90%;
    height: auto;
    margin: 3rem auto;
}

.illustration-thank-you {
    margin-bottom: 2rem;
}

.selection {
    background-color: var(--medium-dark-blue);
    color: var(--orange);
    font-weight: 400;
    font-size: 1.3rem;
    padding: 1rem 1.6rem;
    border-radius: 2.5rem;
    margin-bottom: 2rem;
}

.thanks-section h1 {
    margin-bottom: 2rem;
}

.description {
    text-align: center;
    color: var(--light-grey);
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 2rem;
    margin-bottom: 2rem;
}

footer { 
    font-size: 1.1rem; 
    text-align: center;
    display: flex;
}

footer a {
    padding-right: 0.5rem;
    color: hsl(228, 45%, 44%); 
}

.hiden {
    display: none;
}