:root {
  --white: hsl(0, 100%, 100%);
  --purple-100: hsl(275, 100%, 97%);
  --purple-600: hsl(292, 16%, 49%);
  --purple-700: hsl(293, 45%, 34%);
  --purple-950: hsl(292, 42%, 14%);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Work Sans", sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--purple-100);
  background-image: url(./assets/images/background-pattern-desktop.svg);
  background-repeat: no-repeat;
}

main {
  background: var(--white);
  min-height: 400px;
  max-width: 600px;
  width: 100%;
  padding: 3rem;
  border-radius: 30px;
  box-shadow: 10px 18px 36px -10px #c1b2cd;
  border-radius: 30px;
  margin-bottom: 5rem;
}

.accordion_header {
  display: flex;
  align-items: center;
}

.accordion_header h1 {
  font-size: 4.3rem;
  margin-left: 1.3rem;
  color: var(--purple-950);
}

.accordion_item {
  border-bottom: 2px solid var(--purple-100);
  padding: 2rem 0;
}

.accordion_item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.accordion_question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: none;
  background: none;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--purple-950);
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}

.accordion_question:hover {
  color: var(--purple-700);
}

.accordion_answer {
  color: var(--purple-600);
  font-size: 1.4rem;
  padding-top: 1rem;
  line-height: 1.5;

  opacity: 0;
  max-height: 0;
  transition: 0.5s;
  overflow: hidden;
}

.accordion_item .accordion_answer {
  visibility: hidden;
}

.accordion_item.is-open .accordion_answer {
  visibility: visible;
  opacity: 1;
  max-height: 300px;
}

.accordion_item .accordion_icon_plus {
  display: inline;
}

.accordion_item.is-open .accordion_icon_plus {
  display: none;
}

.accordion_item .accordion_icon_minus {
  display: none;
}

.accordion_item.is-open .accordion_icon_minus {
  display: inline;
}

.accordion_icon_minus,
.accordion_icon_plus {
  margin-left: auto;
}

.attribution a {
  text-decoration: none;
  color: var(--purple-600);
}

.attribution a:hover {
  text-decoration: underline;
  color: var(--purple-950);
}

@media (max-width: 425px) {
  body {
    background-image: url(./assets/images/background-pattern-mobile.svg);
    background-size: contain;
  }
}