body {
  margin: 0;
  height: 100vh;
  background-color: #ccdad1;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  max-width: 30%;
  min-width: fit-content;
  width: 30%;
}

a {
  text-decoration: none;
  color: #0075f2;
  font-size: 2em;
  transition: opacity 0.3s;
}

a:hover {
  opacity: 0.7;
}

.accordion-container {
  width: 100%;
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 2em;
}

.accordion-header {
  cursor: pointer;
  font-size: 1.5em;
  color: #0075f2;
  background: #b7cbbf;
  padding: 12px 16px;
  border-radius: 8px;
  transition: background 0.3s;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header .list-header {
  padding-right: 1em;
}

.accordion-header:hover {
  background: #a6bfb1;
}

.arrow {
  display: inline-block;
  transition: transform 0.3s;
}

.accordion-header.active .arrow {
  transform: rotate(180deg);
}

.accordion-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.5s ease;
  margin-top: 0;
}

.sublists {
  padding: 20px 0 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.sublist {
  width: 100%;
  max-width: 400px;
}

.sublist-header {
  cursor: pointer;
  font-size: 20px;
  color: #0075f2;
  background: #b7cbbf;
  padding: 12px 16px;
  border-radius: 8px;
  transition: background 0.3s;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sublist-header:hover {
  background: #a6bfb1;
}

.sublist-header.active .arrow {
  transform: rotate(180deg);
}

.sublist-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}

.sublist-content a {
  font-size: 1.2em;
}

ul {
  list-style: none;
  padding: 0px 20px;
  padding-top: 10px;
  margin: 0;
  text-align: left;
}