:root{
  --at-faq-text: #0f172a;
  --at-faq-muted: rgba(15,23,42,.70);
  --at-faq-border: rgba(15,23,42,.10);
  --at-faq-panel-bg: rgba(255,255,255,.96);
  --at-faq-shadow: 0 18px 60px rgba(2,6,23,.22);
  --at-faq-radius: 18px;
  --at-faq-z: 9999;
}

/* Launcher */
.at-faq-launcher{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: var(--at-faq-z);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.95);
  color: var(--at-faq-text);
  border: 1px solid var(--at-faq-border);
  border-radius: 999px;
  padding: 10px 12px;
  box-shadow: var(--at-faq-shadow);
  cursor: pointer;
  user-select: none;
  backdrop-filter: blur(10px);
}

.at-faq-dot{
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: rgba(15,23,42,.85);
  opacity: .85;
}

.at-faq-launcher__icon{
  width: 26px;
  height: 26px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
  background: rgba(15,23,42,.06);
  border: 1px solid rgba(15,23,42,.10);
}

.at-faq-launcher__text{
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .2px;
}

/* Panel */
.at-faq-panel{
  position: fixed;
  right: 18px;
  bottom: 70px;
  width: 380px;
  max-width: calc(100vw - 36px);
  z-index: var(--at-faq-z);
  background: var(--at-faq-panel-bg);
  border: 1px solid var(--at-faq-border);
  border-radius: var(--at-faq-radius);
  box-shadow: var(--at-faq-shadow);
  overflow: hidden;
  transform: translateY(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  backdrop-filter: blur(10px);
}

.at-faq-panel.is-open{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.at-faq-panel__header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 10px 14px;
  border-bottom: 1px solid var(--at-faq-border);
}

.at-faq-panel__title{
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .3px;
}

.at-faq-panel__close{
  border: 1px solid var(--at-faq-border);
  background: rgba(15,23,42,.03);
  color: var(--at-faq-text);
  width: 34px;
  height: 34px;
  border-radius: 12px;
  cursor: pointer;
}

.at-faq-panel__intro{
  padding: 12px 14px 12px 14px;
  color: var(--at-faq-muted);
  font-size: 13px;
  line-height: 1.4;
}

/* Accordion */
.at-faq-accordion{
  padding: 0 12px 12px 12px;
  max-height: 360px;
  overflow: auto;
}

.at-faq-q{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: left;
  padding: 12px 12px;
  border: 1px solid var(--at-faq-border);
  background: rgba(15,23,42,.02);
  color: var(--at-faq-text);
  border-radius: 14px;
  cursor: pointer;
  margin-bottom: 9px;
  font-size: 13px;
  font-weight: 850;
}

.at-faq-chevron{
  opacity: .7;
  transform: translateY(1px);
}

.at-faq-a{
  display: none;
  padding: 10px 12px 12px 12px;
  margin: -5px 0 10px 0;
  color: var(--at-faq-muted);
  font-size: 13px;
  line-height: 1.5;
}

.at-faq-a.is-open{ display: block; }

/* CTA */
.at-faq-cta{
  padding: 12px 14px 14px 14px;
  border-top: 1px solid var(--at-faq-border);
  display: grid;
  gap: 8px;
}

.at-faq-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 14px;
  padding: 12px 12px;
  font-weight: 900;
  font-size: 13px;
  border: 1px solid var(--at-faq-border);
}

.at-faq-btn--primary{
  background: #0f172a;
  color: rgba(255,255,255,.95);
  border-color: rgba(15,23,42,.15);
}

.at-faq-btn--ghost{
  background: rgba(15,23,42,.03);
  color: var(--at-faq-text);
}

/* Backdrop */
.at-faq-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(2,6,23,.35);
  z-index: calc(var(--at-faq-z) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
.at-faq-backdrop.is-open{
  opacity: 1;
  pointer-events: auto;
}

/* Mobile: bottom sheet feel */
@media (max-width: 520px){
  .at-faq-launcher{
    right: 12px;
    bottom: 12px;
    padding: 12px 12px;
  }

  .at-faq-panel{
    right: 10px;
    left: 10px;
    bottom: 66px;
    width: auto;
    max-width: none;
    border-radius: 20px;
  }

  .at-faq-accordion{
    max-height: 55vh;
  }
}