/* =========================================================================
   dexwatch — /learn/ FAQ styles
   ========================================================================= */
.learn-main { padding: 36px 0 40px; max-width: 880px; }

.learn-head { margin-bottom: 8px; }
.learn-title { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.03em; margin: 12px 0 14px; }
.learn-lead { font-size: clamp(15px, 1.7vw, 18px); color: var(--ink-2); line-height: 1.55; max-width: 64ch; }

.learn-search { position: relative; margin-top: 26px; }
.learn-search .search { height: 52px; font-size: 15.5px; padding-left: 48px; padding-right: 44px; }
.learn-search .search-ic { left: 16px; }
.learn-clear { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); width: 26px; height: 26px; border-radius: 50%; color: var(--ink-faint); display: grid; place-items: center; font-size: 13px; }
.learn-clear:hover { background: var(--surface-hover); color: var(--ink); }
.learn-meta { margin-top: 12px; }
.faq-count { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-3); }

/* category chips */
.faq-cats { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 28px; }
.faq-chip {
  display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 13px;
  border-radius: var(--r-pill); font-size: 13.5px; font-weight: 600;
  background: var(--bg-elev); color: var(--ink-2); border: 1px solid var(--line); transition: all .15s;
}
.faq-chip:hover { border-color: var(--ink-faint); color: var(--ink); }
.faq-chip.on { background: var(--accent-wash); color: color-mix(in oklch, var(--accent) 72%, var(--ink)); border-color: var(--accent-line); }
.faq-chip-n { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); }
.faq-chip.on .faq-chip-n { color: color-mix(in oklch, var(--accent) 60%, var(--ink)); }

/* groups */
.faq-group { margin-bottom: 32px; scroll-margin-top: 80px; }
.faq-group-title { font-size: 15px; font-weight: 700; letter-spacing: .01em; color: var(--ink-3); text-transform: uppercase; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.faq-group-n { font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--ink-faint); }
.faq-items { display: flex; flex-direction: column; gap: 8px; }

/* accordion item */
.faq-item { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.faq-item[open] { border-color: var(--accent-line); box-shadow: var(--shadow-sm); }
.faq-item:hover { border-color: var(--line-strong); }
.faq-q { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 16px; padding: 16px 18px; font-weight: 650; font-size: 15.5px; letter-spacing: -0.01em; color: var(--ink); }
.faq-q::-webkit-details-marker { display: none; }
.faq-q-txt { flex: 1 1 auto; min-width: 0; }
.faq-q-ic { flex: none; margin-left: auto; position: relative; width: 16px; height: 16px; }
.faq-q-ic::before, .faq-q-ic::after { content: ""; position: absolute; background: var(--ink-3); border-radius: 2px; transition: transform .2s ease, opacity .2s; }
.faq-q-ic::before { top: 7px; left: 1px; width: 14px; height: 2px; }
.faq-q-ic::after { top: 1px; left: 7px; width: 2px; height: 14px; }
.faq-item[open] .faq-q-ic::after { transform: scaleY(0); opacity: 0; }
.faq-item[open] .faq-q-ic::before { background: var(--accent); }
.faq-a { padding: 0 18px 18px; font-size: 14.5px; line-height: 1.6; color: var(--ink-2); max-width: 70ch; }
.faq-a mark, .faq-q mark { background: color-mix(in oklch, var(--accent) 24%, transparent); color: inherit; border-radius: 3px; padding: 0 2px; }

.faq-empty { padding: 40px 20px; text-align: center; color: var(--ink-3); font-size: 15px; background: var(--bg-elev); border: 1px dashed var(--line-strong); border-radius: var(--r-md); }

/* closing CTA */
.learn-cta { margin-top: 16px; padding: 24px 26px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.learn-cta h3 { font-size: 19px; }
.learn-cta p { font-size: 14px; margin-top: 4px; }