.nd-faq {
  background: var(--nd-bg);
  border-bottom: 1px solid var(--nd-border);
}

.nd-faq-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 88px 32px;
}

.nd-faq-head {
  max-width: 640px;
  margin: 0 auto 52px;
  text-align: center;
}

.nd-faq-head .nd-faq-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--nd-accent);
}

.nd-faq-head .nd-faq-title {
  margin: 0 0 14px;
  font-size: 38px;
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.5px;
  color: var(--nd-text);
}

.nd-faq-head .nd-faq-intro {
  margin: 0;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--nd-muted);
}

.nd-faq-main {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.nd-faq-group-title {
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--nd-border);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--nd-accent);
}

.nd-faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nd-faq-item {
  background: var(--nd-bg-raised);
  border: 1px solid var(--nd-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 200ms ease;
}

.nd-faq-item.is-open {
  border-color: var(--nd-accent);
}

.nd-faq-question {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.nd-faq-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--nd-text);
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease;
}

.nd-faq-btn:hover {
  color: var(--nd-accent);
}

.nd-faq-btn:focus-visible {
  outline: 2px solid var(--nd-accent);
  outline-offset: -2px;
}

.nd-faq-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--nd-bg);
  border: 1px solid var(--nd-border);
  color: var(--nd-muted);
  transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1), border-color 200ms ease, color 200ms ease;
}

.nd-faq-icon svg {
  width: 14px;
  height: 14px;
  transition: transform 240ms ease;
}

.nd-faq-item.is-open .nd-faq-icon {
  border-color: var(--nd-accent);
  color: var(--nd-accent);
  transform: rotate(180deg);
}

.nd-faq-panel {
  overflow: hidden;
  transition: max-height 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 240ms ease;
}

.nd-faq-answer {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--nd-muted);
}

.nd-faq-answer p {
  margin: 0 0 12px;
}

.nd-faq-answer p:last-child {
  margin-bottom: 0;
}

.nd-faq-answer a {
  color: var(--nd-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.nd-faq-empty {
  margin: 0;
  padding: 56px 0;
  text-align: center;
  font-size: 15px;
  color: var(--nd-muted);
}

@media (max-width: 1080px) {
  .nd-faq-inner { padding: 76px 24px; }
  .nd-faq-head .nd-faq-title { font-size: 34px; letter-spacing: -0.4px; }
}

@media (max-width: 640px) {
  .nd-faq-inner { padding: 56px 16px; }
  .nd-faq-head { margin-bottom: 36px; }
  .nd-faq-head .nd-faq-eyebrow { margin-bottom: 12px; font-size: 11px; letter-spacing: 1.4px; }
  .nd-faq-head .nd-faq-title { font-size: 28px; letter-spacing: -0.3px; }
  .nd-faq-head .nd-faq-intro { font-size: 15px; }
  .nd-faq-btn { padding: 16px 18px; font-size: 15px; }
  .nd-faq-answer { padding: 0 18px 18px; font-size: 14px; }
  .nd-faq-main { gap: 36px; }
}
