/* FAQ page: search, topic filters and smooth-opening answers. Builds on app.css tokens. */

.faq-head { position: relative; padding: clamp(44px, 7vw, 88px) 0 clamp(24px, 4vw, 40px); overflow: hidden; }
.faq-head::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(23, 21, 28, .07) 1px, transparent 1px); background-size: 22px 22px;
  -webkit-mask: radial-gradient(60% 70% at 50% 30%, #000, transparent 75%); mask: radial-gradient(60% 70% at 50% 30%, #000, transparent 75%);
}
.faq-head::after { content: ""; position: absolute; left: 50%; top: -220px; width: 720px; height: 480px; transform: translateX(-50%); border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--burgundy) 10%, transparent), transparent); }
.faq-head .container { position: relative; z-index: 1; }
.faq-head h1 { margin: 18px 0 10px; }
.faq-head .lead { margin: 0 auto; }

.faq-search {
  position: relative; display: flex; align-items: center; max-width: 560px; margin: 30px auto 0; padding: 0 16px 0 20px; height: 60px; border-radius: 999px;
  background: rgba(255, 255, 255, .9); border: 1px solid var(--line-2); box-shadow: var(--shadow); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  transition: border-color .2s, box-shadow .2s;
}
.faq-search:focus-within { border-color: var(--burgundy); box-shadow: 0 0 0 5px var(--burgundy-50), var(--shadow); }
.faq-search i { color: var(--ink-3); }
.faq-search input { flex: 1; min-width: 0; height: 100%; padding: 0 12px; border: 0; background: transparent; font-size: 1.02rem; outline: none; }
.faq-search kbd { padding: 3px 9px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--parchment); font: 600 .75rem var(--font-body); color: var(--ink-3); }

.faq-topics { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 22px; }
.faq-topic {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2); font-weight: 600; font-size: .88rem; transition: all .2s var(--ease);
}
.faq-topic i { font-size: .8rem; color: var(--burgundy); transition: color .2s; }
.faq-topic:hover { border-color: var(--ink-3); color: var(--ink); transform: translateY(-1px); }
.faq-topic.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.faq-topic.active i { color: var(--gold-200); }

.faq-group { margin-top: 34px; }
.faq-group h2 { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; font-size: 1.45rem; }
.faq-group h2 span { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; font-size: .9rem; color: #fff; background: var(--brand-grad); box-shadow: 0 8px 18px -8px rgba(140, 28, 51, .7); }

.faq-item { margin-bottom: 10px; border-radius: 20px; background: #fff; border: 1px solid var(--line); transition: border-color .3s, box-shadow .3s var(--ease); scroll-margin-top: calc(var(--header-h) + 20px); }
.faq-item:hover { border-color: var(--line-2); }
.faq-item[open] { border-color: color-mix(in srgb, var(--burgundy) 25%, white); box-shadow: var(--shadow); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; cursor: pointer; list-style: none; font-weight: 700; font-size: 1.04rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--burgundy); }
.faq-plus { position: relative; width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%; background: var(--parchment); transition: background .3s, transform .4s var(--ease); }
.faq-plus::before, .faq-plus::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px; border-radius: 2px; background: var(--ink-2); transition: transform .4s var(--ease), background .3s; }
.faq-plus::after { transform: rotate(90deg); }
.faq-item[open] .faq-plus { background: var(--burgundy); transform: rotate(180deg); }
.faq-item[open] .faq-plus::before, .faq-item[open] .faq-plus::after { background: #fff; }
.faq-item[open] .faq-plus::after { transform: rotate(0deg); }
.faq-answer { overflow: hidden; }
.faq-answer p { margin: 0; padding: 0 22px 22px; color: var(--ink-2); line-height: 1.7; white-space: pre-line; }
.faq-item mark { background: var(--gold-200); border-radius: 3px; padding: 0 2px; }

.faq-empty { text-align: center; padding: 48px 20px; margin-top: 30px; border-radius: 24px; border: 1px dashed var(--line-2); color: var(--ink-2); }
.faq-empty i { font-size: 2rem; color: var(--ink-3); margin-bottom: 10px; }
.faq-empty h3 { margin-bottom: 4px; }

.faq-cta {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 48px; padding: clamp(24px, 4vw, 36px);
  border-radius: 28px; overflow: hidden; background: linear-gradient(160deg, var(--burgundy-50), #fff 60%, var(--gold-50)); border: 1px solid var(--line);
}
.faq-cta h3 { margin: 0 0 4px; font-size: 1.6rem; }
.faq-cta p { margin: 0; color: var(--ink-2); }

@media (max-width: 640px) {
  .faq-search { height: 54px; }
  .faq-search kbd { display: none; }
  .faq-topics { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding: 0 var(--gutter) 4px; scrollbar-width: none; }
  .faq-topics::-webkit-scrollbar { display: none; }
  .faq-topic { flex-shrink: 0; }
  .faq-item summary { padding: 18px; font-size: 1rem; }
  .faq-answer p { padding: 0 18px 18px; }
}