/* About & FAQ */
.about-head h1 { font-size: clamp(30px, 5vw, 48px); }

.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.about-tile {
  position: relative; overflow: hidden;
  padding: 22px; text-decoration: none; display: flex; flex-direction: column; gap: 6px;
  transition: border-color 0.15s, background 0.15s;
}
.about-tile::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(320px 140px at 0% 0%, rgba(47, 140, 255, 0.07), transparent 70%);
}
.about-tile:hover { border-color: var(--line-3); background: var(--surface-2); }
.at-icon {
  width: 38px; height: 38px; border-radius: 11px; margin-bottom: 14px;
  display: grid; place-items: center; color: var(--accent);
  background: var(--surface-3); border: 1px solid var(--line-2);
}
.at-icon svg { width: 19px; height: 19px; }
.about-tile b { font: 800 30px/1.05 var(--font-display); letter-spacing: -0.04em; color: var(--text); }
.about-tile > span:not(.at-icon) { color: var(--text-2); font-size: 14px; }
.about-tile em {
  margin-top: 12px; font-style: normal; font-weight: 650; font-size: 14px; color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
}
.about-tile em svg { width: 15px; height: 15px; transition: transform 0.15s; }
.about-tile:hover em svg { transform: translateX(3px); }

.about-split { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 14px; margin-bottom: 48px; }
.av-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.av { display: flex; flex-direction: column; gap: 4px; text-decoration: none; min-width: 0; }
.av .art { width: 100%; margin-bottom: 8px; }
.av:hover .art-inner img { transform: scale(1.05); }
.av-name { font-weight: 700; letter-spacing: -0.01em; }
.av-val { font-size: 15px; }
.av-note { font-size: 12.5px; color: var(--muted); line-height: 1.4; }

.rar-ladder { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: repeat(var(--rows, 6), auto); grid-auto-flow: column; gap: 4px 16px; }
.rar-ladder li { display: flex; align-items: center; gap: 10px; height: 36px; border-bottom: 1px solid var(--line); font-size: 14px; }
.rl-i { width: 16px; font-size: 11.5px; color: var(--faint); font-variant-numeric: tabular-nums; text-align: right; }
.rl-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rc); box-shadow: 0 0 8px color-mix(in srgb, var(--rc) 60%, transparent); flex-shrink: 0; }
.rl-name { flex: 1; font-weight: 600; color: color-mix(in srgb, var(--rc) 45%, var(--text)); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rl-n { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

.faq-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 40px; align-items: start; }
.faq-side { position: sticky; top: calc(var(--header-h) + 24px); }
.faq-title { font-size: 28px; font-weight: 800; letter-spacing: -0.035em; margin-bottom: 10px; }
.faq-side p { color: var(--text-2); margin: 0 0 12px; max-width: 34ch; }
.faq-side .faq-upd { color: var(--muted); font-size: 13px; display: inline-flex; align-items: center; gap: 8px; }
.faq-side .faq-upd::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(47, 140, 255, 0.16); }
.faq { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq details + details { border-top: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 20px; font-weight: 650; letter-spacing: -0.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: background 0.15s;
}
.faq summary:hover { background: var(--surface-2); }
.faq summary:focus-visible { outline-offset: -2px; border-radius: 0; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ''; flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--surface-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b3b8c2' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center / 14px no-repeat;
  transition: transform 0.2s var(--ease), background-color 0.15s;
}
.faq details[open] summary::after { transform: rotate(45deg); background-color: var(--accent-soft); }
.faq details p { margin: 0; padding: 0 20px 20px; color: var(--text-2); max-width: 68ch; line-height: 1.65; }
.about-note { margin: 40px 0 0; color: var(--muted); font-size: 13.5px; }

@media (max-width: 960px) {
  .about-split { grid-template-columns: 1fr; }
  .faq-wrap { grid-template-columns: 1fr; gap: 16px; }
  .faq-side { position: static; }
}
@media (max-width: 720px) {
  .about-grid { grid-template-columns: 1fr; gap: 10px; }
  .about-tile { padding: 18px; display: grid; grid-template-columns: 38px 1fr; column-gap: 14px; row-gap: 2px; align-items: center; }
  .at-icon { grid-row: span 2; margin: 0; }
  .about-tile b { font-size: 22px; }
  .about-tile em { display: none; }
  .about-split { margin-bottom: 36px; }
  .av-grid { gap: 8px; }
  .av-note { display: none; }
  .av-name { font-size: 13px; }
  .av-val { font-size: 13.5px; }
  .rar-ladder { grid-template-columns: 1fr 1fr; gap: 0 14px; }
  .faq summary { padding: 16px; }
  .faq details p { padding: 0 16px 16px; }
}