style.css

@import url('https://fonts.googleapis.com/css2?family=Overpass:wght@400;700&display=swap');

:root {
  --ff-body: 'Overpass', sans-serif;

  --fs-300: 0.813rem;
  --fs-400: 0.875rem;
  --fs-600: 1.5rem;

  --clr-primary: hsl(25, 97%, 53%);

  --clr-neutral-100: hsl(0, 0%, 100%);
  --clr-neutral-300: hsl(217, 12%, 63%);
  --clr-neutral-400: hsl(216, 12%, 54%);
  --clr-neutral-500: hsl(213, 19%, 18%);
  --clr-neutral-600: hsl(215, 22%, 15%);
  --clr-neutral-700: hsl(215, 27%, 12%);
  --clr-neutral-900: hsl(216, 12%, 8%);
}

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  background-color: var(--clr-neutral-900);
  color: var(--clr-neutral-100);
  font-size: var(--fs-300);
  font-family: var(--ff-body);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.02em;
  display: grid;
  place-items: center;
}

@media (min-width: 800px) {
  body {
    font-size: var(--fs-400);
  }
}

/* Remove default margin */
body,
h2,
p {
  margin: 0;
}

h2 {
  margin-bottom: 0.5rem;
  font-weight: 400;
  font-size: var(--fs-600);
}

p {
  margin-bottom: 1.6rem;
}

/* Make images easier to work with */
img {
  max-width: 100%;
  display: block;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Card */
.card {
  background-color: var(--clr-neutral-700);
  background-image: linear-gradient(
    var(--clr-neutral-600),
    var(--clr-neutral-700)
  );
  padding: 1.5rem;
  border-radius: 1rem;
  width: min(24rem, 100% - 3rem);
}

.card--thankyou {
  text-align: center;
}

.card__intro {
  color: var(--clr-neutral-400);
}

/* Illustration */
.illus {
  margin: 0 auto 1.6rem;
}

/* Ratings */
.ratings {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.6rem;
}

.rating,
.star {
  display: grid;
  place-content: center;
  padding: 0;
  width: 3.33em;
  height: 3.33em;
  border-radius: 100vh;
  background-color: var(--clr-neutral-500);
  color: var(--clr-neutral-400);
}

.rating {
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: color 0.4s;
}

.rating:hover {
  color: var(--clr-neutral-100);
}

.rating--active,
.rating:active {
  background-color: var(--clr-neutral-400);
  color: var(--clr-neutral-100);
}

.rating input {
  position: absolute;
  cursor: pointer;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0;
}

.rating::after {
  content: '';
  background-color: var(--clr-primary);
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
}

.rating:hover:not(:active, .rating--active)::after {
  opacity: 1;
}

/* Star */
.star {
  margin-bottom: 1rem;
}

.star img {
  display: inline;
}

/* Button */
.btn {
  font: inherit;
  display: block;
  width: 100%;
  border-radius: 100vh;
  overflow: hidden;
  padding: 0.7em 0;
  border: 0;
  cursor: pointer;
  background-color: var(--clr-primary);
  color: var(--clr-neutral-100);
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  letter-spacing: 0.15em;
  position: relative;
  z-index: 1;
  transition: color 0.4s;
}

.btn::after {
  content: '';
  background-color: var(--clr-neutral-100);
  padding: inherit;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
}

.btn:hover {
  color: var(--clr-primary);
}

.btn:hover::after {
  opacity: 1;
}

/* Result */
.result {
  display: inline-block;
  border-radius: 100vh;
  color: var(--clr-primary);
  background-color: var(--clr-neutral-500);
  padding: 0.5em 1em;
}