:root{
    --bg: #ffffff;
    --surface: #f8fafc;
    --accent: #0f766e; /* teal-700 */
    --muted: #6b7280;
    --border: #e6edf0;
    --radius: 14px;
    --shadow: 0 6px 20px rgba(16,24,40,0.06);
    --transition: 240ms cubic-bezier(.2,.9,.3,1);
  }

  /* Container */
.faq {
    max-width: var(--max-width);
    padding: 24px;
    background: var(--bg);
    box-shadow: var(--shadow);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial;
    color: #0f172a;
}

  .faq__title{
    font-size: 28px;
    line-height: 1.05;
    font-weight: 700;
    text-align: center;
    margin: 0 0 18px;
  }

  .faq__list{
    display: grid;
    gap: 12px;
  }

  .faq__item{
    background: linear-gradient(180deg, rgba(15,118,110,0.02), transparent 50%);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .faq__button{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    font-size: 16px;
    font-weight: 600;
    color: #071124;
  }

  .faq__button:hover{
    background: var(--surface);
  }

  .faq__q{
    display: block;
  }

  .faq__icon{
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    transform-origin: center;
    transition: transform var(--transition);
    color: var(--accent);
  }

  .faq__panel{
    padding: 14px 18px 18px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.5;
    background: #fbfdfd;
    border-top: 1px solid rgba(15,118,110,0.04);
    /* animation for appear */
    animation: panelFade .18s ease-out;
  }

  @keyframes panelFade {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* Expanded state (aria-expanded="true") - rotate icon */
  .faq__button[aria-expanded="true"] .faq__icon{
    transform: rotate(180deg);
  }

  /* Small screens */
  @media (max-width: 520px){
    .faq__title{ font-size: 22px; }
    .faq__button{ padding: 12px 14px; font-size: 15px; }
    .faq__panel{ padding: 12px 14px 16px; font-size: 14px; }
  }