05Objection-handling FAQ that arms the CTA

<main class="stage is-demo">
  <section class="ob">
    <p class="ob__title">
      <span class="ob__ic" aria-hidden="true"><svg viewBox="0 0 256 256" width="18" height="18"><g fill="currentColor"><path d="M224 128a96 96 0 1 1-96-96a96 96 0 0 1 96 96" opacity=".2"/><path d="M140 180a12 12 0 1 1-12-12a12 12 0 0 1 12 12M128 72c-22.06 0-40 16.15-40 36v4a8 8 0 0 0 16 0v-4c0-11 10.77-20 24-20s24 9 24 20s-10.77 20-24 20a8 8 0 0 0-8 8v8a8 8 0 0 0 16 0v-.72c18.24-3.35 32-17.9 32-35.28c0-19.85-17.94-36-40-36m104 56A104 104 0 1 1 128 24a104.11 104.11 0 0 1 104 104m-16 0a88 88 0 1 0-88 88a88.1 88.1 0 0 0 88-88"/></g></svg></span>
      Still on the fence?
    </p>
    <ul class="ob__list">
      <li class="ob__item" style="--i:0">
        <button type="button" class="ob__q" aria-expanded="false" aria-controls="ob-a1">
          <span class="ob__q-t">The price feels steep</span>
          <span class="ob__done">
            <svg class="ob__check" viewBox="0 0 24 24" width="14" height="14" aria-hidden="true"><circle cx="12" cy="12" r="10" fill="none" stroke="currentColor" stroke-width="2" opacity=".35"/><polyline points="7 12.5 10.5 16 17 8.5" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"/></svg>
            <span class="ob__done-t">Cleared</span>
          </span>
        </button>
        <div class="ob__a" id="ob-a1"><div class="ob__a-in"><p>First month ₩0, then pay only for what you use.</p></div></div>
      </li>
      <li class="ob__item" style="--i:1">
        <button type="button" class="ob__q" aria-expanded="false" aria-controls="ob-a2">
          <span class="ob__q-t">Hard to trust without trying it</span>
          <span class="ob__done">
            <svg class="ob__check" viewBox="0 0 24 24" width="14" height="14" aria-hidden="true"><circle cx="12" cy="12" r="10" fill="none" stroke="currentColor" stroke-width="2" opacity=".35"/><polyline points="7 12.5 10.5 16 17 8.5" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"/></svg>
            <span class="ob__done-t">Cleared</span>
          </span>
        </button>
        <div class="ob__a" id="ob-a2"><div class="ob__a-in"><p>All features for 14 days, no card needed.</p></div></div>
      </li>
      <li class="ob__item" style="--i:2">
        <button type="button" class="ob__q" aria-expanded="false" aria-controls="ob-a3">
          <span class="ob__q-t">Canceling sounds like a hassle</span>
          <span class="ob__done">
            <svg class="ob__check" viewBox="0 0 24 24" width="14" height="14" aria-hidden="true"><circle cx="12" cy="12" r="10" fill="none" stroke="currentColor" stroke-width="2" opacity=".35"/><polyline points="7 12.5 10.5 16 17 8.5" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"/></svg>
            <span class="ob__done-t">Cleared</span>
          </span>
        </button>
        <div class="ob__a" id="ob-a3"><div class="ob__a-in"><p>One button in settings and you're done.</p></div></div>
      </li>
    </ul>
    <button type="button" class="ob__cta">
      <span class="ob__cta-t">Start with no strings</span>
      <span class="ob__cta-t ob__cta-t--ready" aria-hidden="true">You're all set — tap here</span>
    </button>
    <p class="ob__status" role="status"></p>
  </section>
</main>

@use "../../../../site/static/demo-tokens" as *;

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;
$easing: $ease-pop;
$color: $subject-blue;

@include stage($stage-ink);

.ob {
  width: min(312px, 94vw);
  box-sizing: border-box;
  background: $subject-cream;
  border-radius: $r-card;
  box-shadow: $shadow-raised;
  padding: $sp-3;
}

.ob__title {
  display: flex; align-items: center; gap: $sp-1;
  margin: 0 0 $sp-2;
  font-family: inherit; font-weight: 800; font-size: 13px; line-height: 1.2;
  color: $subject-ink;
}
.ob__ic { display: grid; place-items: center; color: $color; }

.ob__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.ob__item { border-bottom: 1px solid rgba(23, 20, 26, .1); }

.ob__q {
  display: flex; align-items: center; justify-content: space-between; gap: $sp-2;
  width: 100%; padding: $sp-1 0;
  border: 0; background: transparent; cursor: pointer; text-align: left;
  font-family: inherit; font-weight: 700; font-size: 12px; line-height: 1.2;
  color: $subject-ink;
}
.ob__q:focus-visible { outline: 2px solid $color; outline-offset: 2px; }

.ob__done {
  display: inline-flex; align-items: center; gap: $sp-1; flex: 0 0 auto;
  color: #50a26e; font-weight: 800; font-size: 10px; line-height: 1;
  opacity: 0; transform: scale(.8);
  transition: opacity $dur-quick $ease-out, transform $dur-quick $easing;
}
.ob__item.is-open .ob__done { opacity: 1; transform: scale(1); }
.ob__check polyline { stroke-dasharray: 26; stroke-dashoffset: 26; transition: stroke-dashoffset $dur-base $ease-out; }
.ob__item.is-open .ob__check polyline { stroke-dashoffset: 0; }

// ── 펼침 (grid 0fr → 1fr) ────────────────────────────
.ob__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows $dur-base $easing; }
.ob__item.is-open .ob__a { grid-template-rows: 1fr; }
.ob__a-in { overflow: hidden; }
.ob__a p {
  margin: 0; padding: 0 0 $sp-1;
  font-family: inherit; font-weight: 500; font-size: 11px; line-height: 1.5;
  color: rgba(23, 20, 26, .66);
}

// ── CTA ──────────────────────────────────────────────
.ob__cta {
  display: grid; place-items: center;
  width: 100%; margin-top: $sp-2;
  padding: $sp-2 $sp-3;
  border: 0; border-radius: $r-control;
  background: $color; color: $subject-cream;
  font-family: inherit; font-weight: 800; font-size: 12px; line-height: 1.2;
  cursor: pointer;
}
.ob__cta:focus-visible { outline: 2px solid $subject-cream; outline-offset: 2px; }
.ob__cta-t { grid-area: 1 / 1; }
.ob__cta-t--ready { opacity: 0; }
.ob.is-ready .ob__cta-t { opacity: 0; }
.ob.is-ready .ob__cta-t--ready { opacity: 1; }
.ob.is-ready .ob__cta { animation: ob-pulse $duration $easing infinite; }
@keyframes ob-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.06); }
}

.ob__status { margin: $sp-1 0 0; min-height: 13px; font-family: inherit; font-weight: 600; font-size: 10px; line-height: 1.3; color: rgba(23, 20, 26, .55); }

// ── 측정용 루프 (.is-demo) ───────────────────────────
// 세 줄이 차례로 펼쳐지고(지연 160ms 간격) CTA 글자가 컷으로 바뀐 뒤 펄스한다. 2s 루프의 90% 안에 복귀.
.stage.is-demo .ob__a {
  transition: none;
  animation-name: ob-open;
  animation-duration: $duration;
  animation-timing-function: $easing;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}
// 닫힘은 열림보다 훨씬 느리게 편다 — 프레임당 변한 면적이 작아져 대표 이미지(poster)가 닫히는 장면으로 뽑히지 않는다
@keyframes ob-open {
  0%   { grid-template-rows: 0fr; }
  16%  { grid-template-rows: 1fr; }
  66%  { grid-template-rows: 1fr; }
  100% { grid-template-rows: 0fr; }
}

.stage.is-demo .ob__a p {
  animation-name: ob-answer;
  animation-duration: $duration;
  animation-timing-function: $ease-out;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}
@keyframes ob-answer {
  0%       { opacity: 0; transform: translateY(6px); }
  20%, 66% { opacity: 1; transform: translateY(0); }
  100%     { opacity: 0; transform: translateY(6px); }
}

.stage.is-demo .ob__done {
  transition: none;
  animation-name: ob-done;
  animation-duration: $duration;
  animation-timing-function: $easing;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}
@keyframes ob-done {
  0%       { opacity: 0; transform: scale(.8); }
  14%      { opacity: 1; transform: scale(1.16); }
  24%, 66% { opacity: 1; transform: scale(1); }
  100%     { opacity: 0; transform: scale(.8); }
}

.stage.is-demo .ob__check polyline {
  transition: none;
  animation-name: ob-draw;
  animation-duration: $duration;
  animation-timing-function: $ease-out;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}
@keyframes ob-draw {
  0%       { stroke-dashoffset: 26; }
  28%, 66% { stroke-dashoffset: 0; }
  100%     { stroke-dashoffset: 26; }
}

// 글자 교체는 컷(steps), 커지는 느낌은 버튼 scale 로 따로 준다
.stage.is-demo .ob__cta-t {
  animation-name: ob-label-out;
  animation-duration: $duration;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}
.stage.is-demo .ob__cta-t--ready {
  animation-name: ob-label-in;
  animation-duration: $duration;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}
// 라벨이 「준비됐어요」인 구간은 세 줄이 전부 열려 있는 동안(41~64%)만 — 한 줄이라도 닫히기 시작하면 원래 라벨로 돌아온다
@keyframes ob-label-out {
  0%, 40%   { opacity: 1; }
  41%, 64%  { opacity: 0; }
  65%, 100% { opacity: 1; }
}
@keyframes ob-label-in {
  0%, 40%   { opacity: 0; }
  41%, 64%  { opacity: 1; }
  65%, 100% { opacity: 0; }
}
.stage.is-demo .ob__cta {
  animation-name: ob-cta-loop;
  animation-duration: $duration;
  animation-timing-function: $easing;
  animation-iteration-count: infinite;
}
@keyframes ob-cta-loop {
  0%, 41%   { transform: scale(1); }
  48%       { transform: scale(1.06); }
  55%       { transform: scale(1); }
  60%       { transform: scale(1.04); }
  64%, 100% { transform: scale(1); }
}

// ── 접근성 ──────────────────────────────────────────
@media (prefers-reduced-motion: reduce) {
  .ob__a, .ob__done, .ob__check polyline { transition: none !important; }
  .stage.is-demo .ob__a,
  .stage.is-demo .ob__a p,
  .stage.is-demo .ob__done,
  .stage.is-demo .ob__check polyline,
  .stage.is-demo .ob__cta,
  .stage.is-demo .ob__cta-t,
  .stage.is-demo .ob__cta-t--ready,
  .ob.is-ready .ob__cta { animation: none !important; }
  .stage.is-demo .ob__a { grid-template-rows: 1fr !important; }
  .stage.is-demo .ob__a p { opacity: 1 !important; transform: none !important; }
  .stage.is-demo .ob__done { opacity: 1 !important; transform: none !important; }
  .stage.is-demo .ob__check polyline { stroke-dashoffset: 0 !important; }
  .stage.is-demo .ob__cta { transform: none !important; }
  .stage.is-demo .ob__cta-t { opacity: 0 !important; }
  .stage.is-demo .ob__cta-t--ready { opacity: 1 !important; }
}

// ── 반응형(320×200) ──────────────────────────────────
@media (max-width: 340px), (max-height: 220px) {
  .ob { width: min(272px, 92vw); padding: $sp-2; }
  .ob__title { margin: 0 0 $sp-1; font-size: 11px; }
  .ob__ic svg { width: 14px; height: 14px; }
  .ob__list { gap: 0; }
  .ob__q { padding: $sp-1 0; font-size: 10px; }
  .ob__done { font-size: 9px; }
  .ob__check { width: 12px; height: 12px; }
  // 세 줄이 동시에 열린 순간까지 200px 안에 들어가도록 답 줄을 8px·여백 0 으로 내린다 (실측 2026-09-12)
  .ob__a p {
    padding: 0; font-size: 8px; line-height: 1.2;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
  }
  .ob__cta { margin-top: $sp-2; padding: $sp-1 $sp-2; font-size: 10px; }
  .ob__status { margin-top: 0; min-height: 0; font-size: 9px; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.ob {
  width: min(312px, 94vw);
  box-sizing: border-box;
  background: #fff7e6;
  border-radius: 16px;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  padding: 12px;
}

.ob__title {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 8px;
  font-family: inherit;
  font-weight: 800;
  font-size: 13px;
  line-height: 1.2;
  color: #17141a;
}

.ob__ic {
  display: grid;
  place-items: center;
  color: #2f6df6;
}

.ob__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ob__item {
  border-bottom: 1px solid rgba(23, 20, 26, 0.1);
}

.ob__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 4px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-weight: 700;
  font-size: 12px;
  line-height: 1.2;
  color: #17141a;
}

.ob__q:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 2px;
}

.ob__done {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
  color: #50a26e;
  font-weight: 800;
  font-size: 10px;
  line-height: 1;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 220ms ease-out, transform 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.ob__item.is-open .ob__done {
  opacity: 1;
  transform: scale(1);
}

.ob__check polyline {
  stroke-dasharray: 26;
  stroke-dashoffset: 26;
  transition: stroke-dashoffset 300ms ease-out;
}

.ob__item.is-open .ob__check polyline {
  stroke-dashoffset: 0;
}

.ob__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.ob__item.is-open .ob__a {
  grid-template-rows: 1fr;
}

.ob__a-in {
  overflow: hidden;
}

.ob__a p {
  margin: 0;
  padding: 0 0 4px;
  font-family: inherit;
  font-weight: 500;
  font-size: 11px;
  line-height: 1.5;
  color: rgba(23, 20, 26, 0.66);
}

.ob__cta {
  display: grid;
  place-items: center;
  width: 100%;
  margin-top: 8px;
  padding: 8px 12px;
  border: 0;
  border-radius: 12px;
  background: #2f6df6;
  color: #fff7e6;
  font-family: inherit;
  font-weight: 800;
  font-size: 12px;
  line-height: 1.2;
  cursor: pointer;
}

.ob__cta:focus-visible {
  outline: 2px solid #fff7e6;
  outline-offset: 2px;
}

.ob__cta-t {
  grid-area: 1/1;
}

.ob__cta-t--ready {
  opacity: 0;
}

.ob.is-ready .ob__cta-t {
  opacity: 0;
}

.ob.is-ready .ob__cta-t--ready {
  opacity: 1;
}

.ob.is-ready .ob__cta {
  animation: ob-pulse 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes ob-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
}
.ob__status {
  margin: 4px 0 0;
  min-height: 13px;
  font-family: inherit;
  font-weight: 600;
  font-size: 10px;
  line-height: 1.3;
  color: rgba(23, 20, 26, 0.55);
}

.stage.is-demo .ob__a {
  transition: none;
  animation-name: ob-open;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}

@keyframes ob-open {
  0% {
    grid-template-rows: 0fr;
  }
  16% {
    grid-template-rows: 1fr;
  }
  66% {
    grid-template-rows: 1fr;
  }
  100% {
    grid-template-rows: 0fr;
  }
}
.stage.is-demo .ob__a p {
  animation-name: ob-answer;
  animation-duration: 2s;
  animation-timing-function: ease-out;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}

@keyframes ob-answer {
  0% {
    opacity: 0;
    transform: translateY(6px);
  }
  20%, 66% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(6px);
  }
}
.stage.is-demo .ob__done {
  transition: none;
  animation-name: ob-done;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}

@keyframes ob-done {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  14% {
    opacity: 1;
    transform: scale(1.16);
  }
  24%, 66% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.8);
  }
}
.stage.is-demo .ob__check polyline {
  transition: none;
  animation-name: ob-draw;
  animation-duration: 2s;
  animation-timing-function: ease-out;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
  animation-delay: calc(var(--i) * 160ms);
}

@keyframes ob-draw {
  0% {
    stroke-dashoffset: 26;
  }
  28%, 66% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 26;
  }
}
.stage.is-demo .ob__cta-t {
  animation-name: ob-label-out;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

.stage.is-demo .ob__cta-t--ready {
  animation-name: ob-label-in;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

@keyframes ob-label-out {
  0%, 40% {
    opacity: 1;
  }
  41%, 64% {
    opacity: 0;
  }
  65%, 100% {
    opacity: 1;
  }
}
@keyframes ob-label-in {
  0%, 40% {
    opacity: 0;
  }
  41%, 64% {
    opacity: 1;
  }
  65%, 100% {
    opacity: 0;
  }
}
.stage.is-demo .ob__cta {
  animation-name: ob-cta-loop;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
}

@keyframes ob-cta-loop {
  0%, 41% {
    transform: scale(1);
  }
  48% {
    transform: scale(1.06);
  }
  55% {
    transform: scale(1);
  }
  60% {
    transform: scale(1.04);
  }
  64%, 100% {
    transform: scale(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .ob__a, .ob__done, .ob__check polyline {
    transition: none !important;
  }
  .stage.is-demo .ob__a,
  .stage.is-demo .ob__a p,
  .stage.is-demo .ob__done,
  .stage.is-demo .ob__check polyline,
  .stage.is-demo .ob__cta,
  .stage.is-demo .ob__cta-t,
  .stage.is-demo .ob__cta-t--ready,
  .ob.is-ready .ob__cta {
    animation: none !important;
  }
  .stage.is-demo .ob__a {
    grid-template-rows: 1fr !important;
  }
  .stage.is-demo .ob__a p {
    opacity: 1 !important;
    transform: none !important;
  }
  .stage.is-demo .ob__done {
    opacity: 1 !important;
    transform: none !important;
  }
  .stage.is-demo .ob__check polyline {
    stroke-dashoffset: 0 !important;
  }
  .stage.is-demo .ob__cta {
    transform: none !important;
  }
  .stage.is-demo .ob__cta-t {
    opacity: 0 !important;
  }
  .stage.is-demo .ob__cta-t--ready {
    opacity: 1 !important;
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .ob {
    width: min(272px, 92vw);
    padding: 8px;
  }
  .ob__title {
    margin: 0 0 4px;
    font-size: 11px;
  }
  .ob__ic svg {
    width: 14px;
    height: 14px;
  }
  .ob__list {
    gap: 0;
  }
  .ob__q {
    padding: 4px 0;
    font-size: 10px;
  }
  .ob__done {
    font-size: 9px;
  }
  .ob__check {
    width: 12px;
    height: 12px;
  }
  .ob__a p {
    padding: 0;
    font-size: 8px;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .ob__cta {
    margin-top: 8px;
    padding: 4px 8px;
    font-size: 10px;
  }
  .ob__status {
    margin-top: 0;
    min-height: 0;
    font-size: 9px;
  }
}

// 실제 동작: 질문 줄을 누르면 답이 grid 0fr→1fr 로 펼쳐지고 그 줄에 체크가 그려진다.
// 세 줄을 모두 한 번씩 열면 CTA 글자가 바뀌고 펄스가 시작된다.
var stage = document.querySelector('.stage');
var ob = document.querySelector('.ob');
var items = [].slice.call(document.querySelectorAll('.ob__item'));
var status = document.querySelector('.ob__status');
var label = document.querySelector('.ob__cta-t');
var labelReady = document.querySelector('.ob__cta-t--ready');
var opened = [];
['pointerdown', 'keydown'].forEach(function (t) {
  window.addEventListener(t, function () { stage.classList.remove('is-demo'); }, { once: true });
});
items.forEach(function (item, idx) {
  var q = item.querySelector('.ob__q');
  q.addEventListener('click', function () {
    var open = item.classList.toggle('is-open');
    q.setAttribute('aria-expanded', String(open));
    if (open && opened.indexOf(idx) < 0) opened.push(idx);
    if (opened.length === items.length && !ob.classList.contains('is-ready')) {
      ob.classList.add('is-ready');
      label.setAttribute('aria-hidden', 'true');
      labelReady.removeAttribute('aria-hidden');
      status.textContent = 'Every concern is cleared.';
    }
  });
});

import { useEffect, useState } from "react";
import type { CSSProperties } from "react";
import styles from "./ObjectionFaqCta.module.scss";

export type ObjectionFaqCtaProps = { duration?: number; easing?: string; color?: string };
type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string; "--i"?: string };

const ITEMS = [
  { q: "가격이 부담돼요", a: "첫 달 ₩0, 이후엔 쓴 만큼만 냅니다." },
  { q: "써보지 않고 믿기 어려워요", a: "카드 없이 14일 동안 전체 기능을 씁니다." },
  { q: "해지가 번거로울까 봐요", a: "설정에서 버튼 한 번이면 끝납니다." },
];

export default function ObjectionFaqCta({
  duration = 2000,
  easing = "cubic-bezier(.2,1.4,.4,1)",
  color = "#2f6df6",
}: ObjectionFaqCtaProps) {
  const [open, setOpen] = useState<boolean[]>([false, false, false]);
  const [seen, setSeen] = useState<boolean[]>([false, false, false]);
  // 측정용 루프: 처음 조작(pointerdown·keydown)에서 루프를 끈다 — vanilla 판과 같은 동작
  const [demo, setDemo] = useState(true);
  useEffect(() => {
    const off = () => setDemo(false);
    window.addEventListener("pointerdown", off, { once: true });
    window.addEventListener("keydown", off, { once: true });
    return () => {
      window.removeEventListener("pointerdown", off);
      window.removeEventListener("keydown", off);
    };
  }, []);

  const ready = seen.every(Boolean);
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
  const cls = [styles.ob, ready ? styles.isReady : "", demo ? styles.isDemo : ""].join(" ");

  function toggle(i: number) {
    setOpen(open.map((v, k) => (k === i ? !v : v)));
    if (!open[i]) setSeen(seen.map((v, k) => (k === i ? true : v)));
  }

  return (
    <section className={cls} style={vars}>
      <p className={styles.title}>
        <span className={styles.ic} aria-hidden="true">
          <svg viewBox="0 0 256 256" width="18" height="18">
            <g fill="currentColor">
              <path d="M224 128a96 96 0 1 1-96-96a96 96 0 0 1 96 96" opacity=".2" />
              <path d="M140 180a12 12 0 1 1-12-12a12 12 0 0 1 12 12M128 72c-22.06 0-40 16.15-40 36v4a8 8 0 0 0 16 0v-4c0-11 10.77-20 24-20s24 9 24 20s-10.77 20-24 20a8 8 0 0 0-8 8v8a8 8 0 0 0 16 0v-.72c18.24-3.35 32-17.9 32-35.28c0-19.85-17.94-36-40-36m104 56A104 104 0 1 1 128 24a104.11 104.11 0 0 1 104 104m-16 0a88 88 0 1 0-88 88a88.1 88.1 0 0 0 88-88" />
            </g>
          </svg>
        </span>
        아직 망설이는 부분
      </p>

      <ul className={styles.list}>
        {ITEMS.map((it, i) => {
          const itemVars: Vars = { "--i": String(i) };
          return (
            <li key={it.q} className={`${styles.item} ${open[i] ? styles.isOpen : ""}`} style={itemVars}>
              <button
                type="button"
                className={styles.q}
                aria-expanded={open[i]}
                aria-controls={`ob-a-${i}`}
                onClick={() => toggle(i)}
              >
                <span>{it.q}</span>
                <span className={styles.done}>
                  <svg className={styles.check} viewBox="0 0 24 24" width="14" height="14" aria-hidden="true">
                    <circle cx="12" cy="12" r="10" fill="none" stroke="currentColor" strokeWidth={2} opacity=".35" />
                    <polyline points="7 12.5 10.5 16 17 8.5" fill="none" stroke="currentColor" strokeWidth={2.4} strokeLinecap="round" strokeLinejoin="round" />
                  </svg>
                  <span>해소됨</span>
                </span>
              </button>
              <div className={styles.a} id={`ob-a-${i}`}>
                <div className={styles.aIn}>
                  <p>{it.a}</p>
                </div>
              </div>
            </li>
          );
        })}
      </ul>

      <button type="button" className={styles.cta}>
        <span className={styles.ctaT} aria-hidden={ready}>자유롭게 시작하기</span>
        <span className={`${styles.ctaT} ${styles.ctaTReady}`} aria-hidden={!ready}>준비됐어요, 눌러주세요</span>
      </button>
      <p className={styles.status} role="status">{ready ? "모든 걸림돌이 풀렸어요" : ""}</p>
    </section>
  );
}