/* Tách tự động từ app/Views/home/index.php (SEO 2026-10-24) — sửa tại đây, không sửa trong view. */
.home-faq {
  --faq-ink: #0f172a;
  --faq-muted: #64748b;
  --faq-line: #e2e8f0;
  --faq-primary: var(--color-primary, #005A9C);
  position: relative;
  padding: clamp(48px, 6vw, 72px) 0;
  background:
    linear-gradient(180deg, rgba(0, 90, 156, 0.04) 0%, rgba(255, 255, 255, 0) 42%),
    #fff;
  overflow: hidden;
}
.home-faq::before {
  content: "";
  position: absolute;
  inset: auto -8% -40% auto;
  width: min(420px, 48vw);
  height: min(420px, 48vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 90, 156, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.home-faq__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.4fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.home-faq__intro { max-width: 360px; padding-top: 6px; }
.home-faq__eyebrow {
  margin: 0 0 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faq-primary);
}
.home-faq__title {
  margin: 0 0 12px;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--faq-ink);
  letter-spacing: -0.02em;
}
.home-faq__lead {
  margin: 0 0 22px;
  color: var(--faq-muted);
  font-size: 15px;
  line-height: 1.7;
}
.home-faq__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--faq-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.home-faq__cta:hover {
  color: #004677;
  border-bottom-color: currentColor;
  transform: translateX(2px);
}
.home-faq__list {
  border-top: 1px solid var(--faq-line);
}
.home-faq__item {
  border-bottom: 1px solid var(--faq-line);
  transition: background-color .25s ease;
}
.home-faq__item[open] {
  background: linear-gradient(90deg, rgba(0, 90, 156, 0.04), transparent 70%);
}
.home-faq__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px 8px 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.home-faq__q::-webkit-details-marker { display: none; }
.home-faq__num {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #94a3b8;
  min-width: 1.6em;
  transition: color .2s ease;
}
.home-faq__item[open] .home-faq__num,
.home-faq__q:hover .home-faq__num { color: var(--faq-primary); }
.home-faq__q-text {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--faq-ink);
  transition: color .2s ease;
}
.home-faq__item[open] .home-faq__q-text { color: var(--faq-primary); }
.home-faq__toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--faq-line);
  background: #fff;
  position: relative;
  flex-shrink: 0;
  transition: border-color .2s ease, background-color .2s ease, transform .25s ease;
}
.home-faq__toggle::before,
.home-faq__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--faq-primary);
  transition: transform .25s ease, opacity .2s ease;
}
.home-faq__toggle::before {
  width: 10px; height: 1.5px;
  transform: translate(-50%, -50%);
}
.home-faq__toggle::after {
  width: 1.5px; height: 10px;
  transform: translate(-50%, -50%);
}
.home-faq__item[open] .home-faq__toggle {
  border-color: var(--faq-primary);
  background: var(--faq-primary);
  transform: rotate(90deg);
}
.home-faq__item[open] .home-faq__toggle::before,
.home-faq__item[open] .home-faq__toggle::after { background: #fff; }
.home-faq__item[open] .home-faq__toggle::after { opacity: 0; }
.home-faq__a {
  padding: 0 36px 18px calc(20px + 2.4em);
  max-width: 54ch;
}
.home-faq__a p {
  margin: 0;
  color: var(--faq-muted);
  font-size: 14.5px;
  line-height: 1.75;
  animation: homeFaqIn .28s ease;
}
@keyframes homeFaqIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 900px) {
  .home-faq__grid { grid-template-columns: 1fr; gap: 28px; }
  .home-faq__intro { max-width: none; }
}
@media (max-width: 640px) {
  .home-faq { padding: 40px 0; }
  .home-faq__q { gap: 10px; padding: 16px 12px; }
  .home-faq__a { padding-left: 12px; padding-right: 12px; }
}

.back-to-top {
  position: fixed;
  bottom: 100px; /* Nằm trên chatbot một chút để không bị che */
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary, #005A9C);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}
.back-to-top:hover {
  background-color: var(--color-gold, #EBB000);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
  color: var(--color-deep-navy, #022B54);
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
}