.faq{
  --accent: #B4CF32;                 --ink: #C0C0C0;                    --ink-strong: #E9E9E9;
  --glass: rgba(12,14,18,.66);
  --stroke: rgba(255,255,255,.12);
  --stroke-strong: rgba(255,255,255,.18);
  --shadow: 0 14px 36px rgba(0,0,0,.55);
  --radius: 18px;

  color: var(--ink);
  padding: clamp(44px, 6vw, 120px) 0;
}
.faq__inner{ max-width: 1100px; margin: 0 auto; padding: 0 clamp(16px,3vw,32px); }

.faq__header{ text-align:center; margin-bottom: clamp(26px,4vw,44px); }
.faq__title{
  margin: 0 0 12px;
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.06;
  color: var(--ink-strong);
  letter-spacing: .2px;
  filter: drop-shadow(0 4px 20px rgba(255,255,255,.08));
}
.faq__rule{
  display:inline-block; height: 3px; width: min(260px, 36%);
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--ink), transparent);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.35));
}

.faq__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(10px, 1.8vw, 14px);
}

.faq__item{
  position: relative;
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  backdrop-filter: blur(10px) saturate(120%);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: clip;
  isolation: isolate;
}

.faq__item::before{
  content:"";
  position:absolute; inset:0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--accent) 86%, transparent) 0%,
    color-mix(in oklab, var(--accent) 55%, transparent) 100%);
  opacity: .75;
  transition: width .25s ease, opacity .25s ease;
}
.faq__item:hover::before{ width: 4px; opacity: 1; }
.faq__item[open]::before{ width: 6px; opacity: 1; }

.faq__q{
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 2.2vw, 18px) clamp(18px, 2.6vw, 22px);
  font-weight: 900;
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.25;
  color: var(--ink-strong);
  position: relative;
}
.faq__q::-webkit-details-marker{ display:none; }

.faq__q::after{
  content:"";
  width: 24px; height: 24px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.14);
  background:
    radial-gradient(100% 100% at 50% 50%, rgba(255,255,255,.06), transparent 60%);
  display: grid; place-items: center;
  box-shadow: 0 8px 18px rgba(0,0,0,.35);
  transition: transform .28s ease, border-color .25s ease, filter .25s ease;
    -webkit-mask:
    conic-gradient(from 315deg at 50% 50%, #000 0 90deg, transparent 0) center/60% 60% no-repeat;
          mask:
    conic-gradient(from 315deg at 50% 50%, #000 0 90deg, transparent 0) center/60% 60% no-repeat;
  background-color: var(--accent);
}
.faq__item[open] .faq__q::after{ transform: rotate(90deg); filter: brightness(1.05); }

@media (hover:hover){
  .faq__q{ transition: background-color .25s ease, color .25s ease; }
  .faq__item:hover .faq__q{ background: rgba(255,255,255,.035); }
}
.faq__q:focus-visible{
  outline: 2px solid color-mix(in oklab, var(--accent) 70%, transparent);
  outline-offset: 3px;
  border-radius: 12px;
}

.faq__item[open] .faq__q{
  border-bottom: 1px solid var(--stroke-strong);
}

.faq__a{
  padding: 0 clamp(18px, 2.6vw, 22px) clamp(14px, 2vw, 18px);
  font-weight: 600;
  line-height: 1.75;
  color: var(--ink);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(-2px);
  transition:
    max-height .45s cubic-bezier(.2,.8,.2,1),
    opacity .28s ease,
    transform .28s ease;
  will-change: max-height, opacity, transform;
}
.faq__item[open] .faq__a{
  max-height: 640px;        opacity: 1;
  transform: none;
}

.faq__a p{ margin: .5em 0; }
.faq__a ul{ margin: .4em 0 0; padding: 0 0 0 1.1em; }
.faq__a li{ margin: .25em 0; }
.faq__a a{ color: var(--ink-strong); text-underline-offset: 2px; }

@media (max-width: 560px){
  .faq__q{ padding: 14px 16px; gap: 10px; }
  .faq__a{ padding: 0 16px 14px; }
}