:root {
  --ink: #1f1d1a;
  --muted: #6c675f;
  --line: #dfddd6;
  --accent: #2f46c8;
  --paper: #f7f7f5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.faq {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.faq h1 {
  margin: 0 0 1.25rem;
  font-size: 1.4rem;
}

.faq__item {
  margin-bottom: 0.75rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  flex: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
  border-radius: 10px;
}

.faq__item p {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  color: var(--muted);
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .faq__item summary::after {
    transition: none;
  }
}