:root {
  /* Colors */
  --color-orange-500: hsl(25, 97%, 53%);
  --color-white: hsl(0, 100%, 100%);
  --color-grey-500: hsl(217, 12%, 63%);
  --color-grey-700: #272e38;
  --color-grey-900: hsl(213, 19%, 18%);
  --color-grey-950: hsl(216, 12%, 8%);
  /* Font Sizes */
  --fs-base: clamp(0.875rem, 2.5vw, 0.9375rem);
  --fs-heading: clamp(1.6rem, 4vw, 1.75rem);

  /* Font Weights */
  --fw-normal: 400;
  --fw-bold: 700;

  /* Font Families */
  --font-overpass: "Overpass", sans-serif;
}

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

body {
  min-height: 100vh;
  padding: 5rem 2rem;
  background-color: var(--color-grey-950);

  display: flex;
  justify-content: center;
  align-items: center;

  font-family: var(--font-overpass);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
}

main {
  max-width: 400px;
}

.rating-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;

  padding: 2rem;
  background-color: var(--color-grey-900);
  border-radius: 1.5rem;
}

.img-container {
  width: 2.5rem;
  height: 2.5rem;

  display: grid;
  place-content: center;

  padding: 1.35rem;
  border-radius: 50%;
  background-color: hsla(217, 12%, 63%, 0.2);
}

.star-icon {
  width: 1rem;
  height: 1rem;
}

.heading {
  font-size: var(--fs-heading);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin: 2rem 0 0.75rem 0;
}

.paragraph {
  font-weight: var(--fw-normal);
  color: var(--color-grey-500);
  line-height: 1.5;
}

.rating-scale {
  display: flex;
  justify-content: space-between;
  align-items: center;

  width: 100%;
  list-style: none;
  margin: 1.5rem 0;
}

.rating-btn {
  display: flex;
  justify-content: center;
  align-items: center;

  width: clamp(2.85rem, 4.5vw, 3.25rem);
  height: clamp(2.85rem, 4.5vw, 3.25rem);
  cursor: pointer;

  border: none;
  border-radius: 50%;
  background-color: hsla(217, 12%, 63%, 0.2);
  color: var(--color-white);
  transition:
    background-color 0.4s ease,
    color 0.4s ease;
}

.rating-btn.active {
  background-color: var(--color-white);
  color: var(--color-grey-950);
  transition: none;
}

.rating-btn:hover {
  background-color: var(--color-orange-500);
  color: var(--color-grey-950);
}

.rating-btn:focus-visible {
  outline: 2px solid var(--color-orange-500);
  outline-offset: 2px;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 2rem;
  background-color: var(--color-orange-500);

  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  cursor: pointer;

  font-size: 0.875rem;
  font-weight: var(--fw-bold);
  color: var(--color-grey-950);
  transition: background-color 0.4s ease;
}

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

.submit-btn:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.success-card {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;

  padding: 2rem;
  background-color: var(--color-grey-900);
  border-radius: 1.5rem;
}

.rating-score {
  padding: 0.5rem 1rem;
  margin-top: 2rem;
  border-radius: 2rem;
  color: var(--color-orange-500);
  background-color: hsla(217, 12%, 63%, 0.2);
}