.faq-section {
  padding: 88px 0;
  background-color: var(--color-bg);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 48px 72px;
  align-items: start;
}

.faq-intro {
  padding-top: 8px;
}

.faq-heading {
  font-size: clamp(2.25rem, 4.5vw, 3.35rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-primary-dark);
  margin-bottom: 28px;
}

.faq-intro-text {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 400px;
  margin-bottom: 36px;
}

.faq-support-btn {
  display: inline-block;
  padding: 14px 40px;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  text-decoration: none;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(var(--color-yellow-rgb), 0.4);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-support-btn:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-on-primary);
  transform: translateY(-1px);
  opacity: 1;
}

.faq-list {
  width: 100%;
}

.faq-item {
  border-bottom: 2px solid var(--color-accent-dark);
  transition: border-color 0.25s ease;
}

.faq-item.is-open {
  border-bottom-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-main);
  background-color: transparent;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary-dark);
}

.faq-question-text {
  flex: 1;
  min-width: 0;
}

.faq-toggle {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-text-main);
}

.faq-toggle::before {
  content: '+';
}

.faq-item.is-open .faq-toggle::before {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 280px;
}

.faq-answer-inner {
  padding: 0 0 22px;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.faq-answer-inner a {
  color: var(--color-primary-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-answer-inner a:hover {
  color: var(--color-accent-dark);
}

/* PrimeChem floating chat assistant */
.faq-bot {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

.faq-bot-toggle {
  position: relative;
  width: auto;
  height: auto;
  min-width: 56px;
  min-height: 56px;
  padding: 0;
  border-radius: 0;
  background-color: transparent;
  color: var(--color-white);
  border: none;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
  box-shadow: none;
  transition: background-color var(--transition), transform 0.25s ease, border-radius var(--transition);
}

.faq-bot-toggle:hover {
  transform: scale(1.06);
}

.faq-bot-toggle.is-active {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  align-items: center;
  box-shadow: var(--shadow-md);
}

.faq-bot-toggle-figure {
  position: relative;
  display: block;
  line-height: 0;
}

.faq-bot-toggle-icon {
  display: block;
  width: 140px;
  height: auto;
  max-height: 152px;
  object-fit: contain;
  object-position: center bottom;
  border-radius: 0;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 6px 14px rgba(var(--color-shadow-rgb), 0.22));
  pointer-events: none;
}

.faq-bot-toggle-close {
  display: none;
  width: 26px;
  height: 26px;
  position: relative;
  z-index: 1;
}

.faq-bot-toggle.is-active .faq-bot-toggle-figure {
  display: none;
}

.faq-bot-toggle.is-active .faq-bot-toggle-close {
  display: block;
}

.faq-bot-toggle-pulse {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  z-index: 0;
  pointer-events: none;
  transform-origin: center bottom;
  animation: jero-pulse 2.5s ease-out infinite;
  opacity: 0.45;
  filter: drop-shadow(0 0 10px rgba(var(--color-yellow-rgb), 0.65));
}

.faq-bot-toggle.is-active .faq-bot-toggle-pulse {
  animation: none;
  opacity: 0;
}

@keyframes jero-pulse {
  0% {
    transform: scale(1);
    opacity: 0.42;
  }
  70% {
    transform: scale(1.14);
    opacity: 0;
  }
  100% {
    transform: scale(1.14);
    opacity: 0;
  }
}

.faq-bot-panel {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 360px;
  max-width: calc(100vw - 32px);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(var(--color-primary-rgb), 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.96);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, bottom 0.25s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.faq-bot-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.faq-bot-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-white) 100%);
  flex-shrink: 0;
}

.faq-bot-avatar {
  width: 104px;
  height: 116px;
  border-radius: 0;
  background-color: transparent;
  border: none;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
  flex-shrink: 0;
  box-shadow: none;
}

.faq-bot-avatar img {
  width: 100%;
  height: auto;
  max-height: 116px;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 3px 8px rgba(var(--color-shadow-rgb), 0.18));
}

.faq-bot-header-text {
  flex: 1;
  min-width: 0;
}

.faq-bot-header-text h4 {
  font-size: 15px;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.faq-bot-status {
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.faq-bot-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #22c55e;
  animation: status-blink 2s ease-in-out infinite;
}

@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.faq-bot-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: background-color var(--transition), color var(--transition);
}

.faq-bot-close:hover {
  background-color: var(--color-border);
  color: var(--color-primary-dark);
}

.faq-bot-messages {
  flex: 1;
  min-height: 260px;
  max-height: 340px;
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-color: var(--color-primary-light);
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent-dark) var(--color-primary-light);
}

.faq-bot-messages::-webkit-scrollbar {
  width: 6px;
}

.faq-bot-messages::-webkit-scrollbar-track {
  background-color: var(--color-primary-light);
  border-radius: 3px;
}

.faq-bot-messages::-webkit-scrollbar-thumb {
  background-color: var(--color-accent-dark);
  border-radius: 3px;
}

.faq-bot-msg {
  display: flex;
  animation: msg-in 0.3s ease;
}

@keyframes msg-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-bot-msg--user {
  justify-content: flex-end;
}

.faq-bot-msg--jero {
  justify-content: flex-start;
}

.faq-bot-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.55;
}

.faq-bot-msg--user .faq-bot-bubble {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-bottom-right-radius: 4px;
}

.faq-bot-msg--jero .faq-bot-bubble {
  background-color: var(--color-white);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
}

.faq-bot-msg--typing .faq-bot-bubble {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
}

.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-primary);
  animation: typing-bounce 1.2s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

.faq-bot-bubble--options {
  max-width: 100%;
  padding: 12px 14px;
}

.faq-bot-options-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.faq-bot-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-bot-chip {
  width: 100%;
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  white-space: normal;
  text-align: left;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), border-color var(--transition), color var(--transition);
}

.faq-bot-chip:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.faq-bot-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-white);
  flex-shrink: 0;
}

.faq-bot-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-family: inherit;
  font-size: 13px;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-bot-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

.faq-bot-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition), transform var(--transition);
}

.faq-bot-send:hover {
  background-color: #166616;
  transform: scale(1.05);
}

.faq-bot-send svg {
  width: 16px;
  height: 16px;
}

@media (prefers-reduced-motion: reduce) {
  .faq-bot-toggle-pulse,
  .faq-bot-status-dot,
  .typing-dot,
  .faq-bot-msg {
    animation: none;
  }

  .faq-bot-panel {
    transition: opacity 0.15s ease, visibility 0.15s ease;
    transform: none;
  }

  .faq-bot-panel.is-open {
    transform: none;
  }
}