/* ==============================================================
   QA-ХАБ НА ЛЕНДИНГЕ GEO TRUST INDEX 2.0
   Надстройка над styles.css: пункт меню с градиентным переливом
   и секция с 20 вопросами-ссылками в конце страницы.
   ============================================================== */

/* ---------- 1. Пункт меню с градиентным переливом ---------- */
.main-nav .nav-qa a,
.main-nav .nav-qa a:hover {
  position: relative;
  background-image: linear-gradient(
    100deg,
    var(--accent) 0%,
    #39C6FF 26%,
    #8B6CFF 52%,
    #39C6FF 76%,
    var(--accent) 100%
  );
  background-size: 320% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  padding-left: 30px;
  animation: qaNavFlow 7s linear infinite;
  filter: drop-shadow(0 0 14px rgba(47, 224, 168, .26));
}

/* светящаяся точка слева от пункта */
.main-nav .nav-qa a::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow);
  animation: pulse 2.6s ease-in-out infinite;
}

.main-nav .nav-qa a:hover {
  background-position: 100% 50%;
  animation-duration: 2.4s;
}

@keyframes qaNavFlow {
  from { background-position: 0% 50%; }
  to   { background-position: 320% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  .main-nav .nav-qa a { animation: none; }
  .main-nav .nav-qa a::before { animation: none; }
}

/* ---------- 2. Секция с 20 вопросами ---------- */
#qa-hub-cta .container { position: relative; }

.qa-lead {
  max-width: 860px;
  font-size: 20px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 0 40px;
}

.qa-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 32px;
  padding: 14px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .02);
  font-size: 17px;
  color: var(--text-3);
}

.qa-note b { color: var(--accent); font-weight: 600; }

.qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 0 0 36px;
}

@media (min-width: 820px) { .qa-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1400px) { .qa-grid { grid-template-columns: 1fr 1fr 1fr; } }

.qa-grid a {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  height: 100%;
  padding: 20px 22px;
  background: var(--bg);
  transition: background .22s;
}

.qa-grid a:hover { background: var(--bg-3); }

.qa-grid__n {
  flex-shrink: 0;
  min-width: 38px;
  padding-top: 1px;
  font-family: var(--font-display);
  font-size: 14.5px;
  letter-spacing: .04em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  opacity: .85;
}

.qa-grid__q {
  font-size: 18px;
  line-height: 1.45;
  color: var(--text-2);
  transition: color .22s;
  text-wrap: pretty;
}

.qa-grid a:hover .qa-grid__q { color: var(--text); }

/* ---------- 3. Кнопка перехода в хаб ---------- */
.qa-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 24px;
  padding-top: 4px;
}

.qa-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 600;
  color: #031a12;
  background: linear-gradient(100deg, var(--accent) 0%, #39C6FF 50%, var(--accent) 100%);
  background-size: 220% 100%;
  box-shadow: 0 0 0 1px rgba(47, 224, 168, .35), 0 12px 44px -10px var(--accent-glow);
  transition: background-position .5s ease, transform .2s, box-shadow .2s;
}

.qa-cta:hover {
  background-position: 100% 50%;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(47, 224, 168, .5), 0 16px 52px -10px var(--accent-glow);
}

.qa-cta-meta {
  font-size: 17px;
  color: var(--text-3);
}

.qa-cta-meta a {
  color: var(--accent);
  border-bottom: 1px solid rgba(47, 224, 168, .3);
}

.qa-cta-meta a:hover { border-bottom-color: var(--accent); }

@media (max-width: 900px) {
  .qa-lead { font-size: 18px; margin-bottom: 30px; }
  .qa-grid a { padding: 16px 18px; }
  .qa-grid__q { font-size: 17px; }
  .qa-cta { min-height: 52px; padding: 0 22px; font-size: 17px; }
}

/* ---------- 4. Пункт в оглавлении ---------- */
.toc a.toc-qa {
  color: var(--accent);
  border-left-color: rgba(47, 224, 168, .5);
}

.toc a.toc-qa::before { color: var(--accent); opacity: 1; }

.toc a.toc-qa:hover {
  border-left-color: var(--accent);
  background: linear-gradient(90deg, rgba(47, 224, 168, .08), transparent);
}