07Event FAQ

<main class="stage">
  <section class="fq is-demo">
    <div class="fq__item is-open" data-i="0">
      <button class="fq__q" type="button" aria-expanded="true">
        <span>Can I get a refund?</span>
        <span class="fq__chevron" aria-hidden="true"></span>
      </button>
      <div class="fq__a-wrap"><p class="fq__a">Full refund up to 7 days before; 10% fee after.</p></div>
    </div>
    <div class="fq__item" data-i="1">
      <button class="fq__q" type="button" aria-expanded="false">
        <span>Can I join online?</span>
        <span class="fq__chevron" aria-hidden="true"></span>
      </button>
      <div class="fq__a-wrap"><p class="fq__a">In-person only. Key sessions go up on video later.</p></div>
    </div>
    <div class="fq__item" data-i="2">
      <button class="fq__q" type="button" aria-expanded="false">
        <span>Is parking available?</span>
        <span class="fq__chevron" aria-hidden="true"></span>
      </button>
      <div class="fq__a-wrap"><p class="fq__a">Free parking for 2h, then ₩2,000/hr after.</p></div>
    </div>
  </section>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-base;                                // 답변 칸이 펼쳐지는 시간
$easing: $ease-spring;
$color: $subject-ink;                                  // 화살표·강조 색

@include stage($stage-orange);

.fq { width: min(400px, 94vw); display: flex; flex-direction: column; gap: $sp-2; }

.fq__item { background: $subject-cream; border-radius: $r-card; overflow: hidden; }
.fq__q {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center; gap: $sp-2;
  padding: $sp-3 $sp-4;
  background: none; border: 0; cursor: pointer; text-align: left;
  font-weight: 600; font-size: clamp(11px, 3.2vw, 12px); line-height: 1.3; font-family: inherit;
  color: $subject-ink;
  -webkit-tap-highlight-color: transparent;
}
.fq__chevron {
  flex: 0 0 auto;
  width: 7px; height: 7px;
  border-right: 2px solid rgba(23, 20, 26, .5);
  border-bottom: 2px solid rgba(23, 20, 26, .5);
  transform: rotate(-45deg);
  transition: transform $duration $easing;
}
.fq__item.is-open .fq__chevron { transform: rotate(45deg); }

.fq__a-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows $duration $easing;
}
.fq__item.is-open .fq__a-wrap { grid-template-rows: 1fr; }
.fq__a {
  min-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0 $sp-4 $sp-3;
  font-weight: 500; font-size: 11px; line-height: 1.5; font-family: inherit;
  color: rgba(23, 20, 26, .7);
}

// ── 데모 루프: 클릭 전까지 세 질문이 순서대로 스스로 열린다 ──────────────
.fq.is-demo .fq__item:nth-child(1) .fq__a-wrap { animation: fq-open-0 $dur-loop $easing infinite; }
.fq.is-demo .fq__item:nth-child(1) .fq__chevron { animation: fq-chev-0 $dur-loop $easing infinite; }
.fq.is-demo .fq__item:nth-child(2) .fq__a-wrap { animation: fq-open-1 $dur-loop $easing infinite; }
.fq.is-demo .fq__item:nth-child(2) .fq__chevron { animation: fq-chev-1 $dur-loop $easing infinite; }
.fq.is-demo .fq__item:nth-child(3) .fq__a-wrap { animation: fq-open-2 $dur-loop $easing infinite; }
.fq.is-demo .fq__item:nth-child(3) .fq__chevron { animation: fq-chev-2 $dur-loop $easing infinite; }

@keyframes fq-open-0 { 0%, 15% { grid-template-rows: 1fr; } 30%, 100% { grid-template-rows: 0fr; } }
@keyframes fq-open-1 { 0%, 30% { grid-template-rows: 0fr; } 45%, 63% { grid-template-rows: 1fr; } 78%, 100% { grid-template-rows: 0fr; } }
@keyframes fq-open-2 { 0%, 63% { grid-template-rows: 0fr; } 78%, 96% { grid-template-rows: 1fr; } 100% { grid-template-rows: 0fr; } }
@keyframes fq-chev-0 { 0%, 15% { transform: rotate(45deg); } 30%, 100% { transform: rotate(-45deg); } }
@keyframes fq-chev-1 { 0%, 30% { transform: rotate(-45deg); } 45%, 63% { transform: rotate(45deg); } 78%, 100% { transform: rotate(-45deg); } }
@keyframes fq-chev-2 { 0%, 63% { transform: rotate(-45deg); } 78%, 96% { transform: rotate(45deg); } 100% { transform: rotate(-45deg); } }

// ── 반응형: 세로가 짧은 화면에선 여백을 줄인다(BD9) ──────────────
@media (max-width: 340px), (max-height: 220px) {
  .fq { gap: $sp-1; }
  .fq__q { padding: $sp-2 $sp-3; font-size: 11px; }
  .fq__a { padding: 0 $sp-3 $sp-2; font-size: 10px; }
}

// ── 접근성 ──────────────────────────────────────────
@media (prefers-reduced-motion: reduce) {
  .fq__chevron, .fq__a-wrap { transition: none; }
  .fq.is-demo .fq__item .fq__a-wrap,
  .fq.is-demo .fq__item .fq__chevron { animation: none !important; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.fq {
  width: min(400px, 94vw);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fq__item {
  background: #fff7e6;
  border-radius: 16px;
  overflow: hidden;
}

.fq__q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-weight: 600;
  font-size: clamp(11px, 3.2vw, 12px);
  line-height: 1.3;
  font-family: inherit;
  color: #17141a;
  -webkit-tap-highlight-color: transparent;
}

.fq__chevron {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-right: 2px solid rgba(23, 20, 26, 0.5);
  border-bottom: 2px solid rgba(23, 20, 26, 0.5);
  transform: rotate(-45deg);
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fq__item.is-open .fq__chevron {
  transform: rotate(45deg);
}

.fq__a-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fq__item.is-open .fq__a-wrap {
  grid-template-rows: 1fr;
}

.fq__a {
  min-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0 16px 12px;
  font-weight: 500;
  font-size: 11px;
  line-height: 1.5;
  font-family: inherit;
  color: rgba(23, 20, 26, 0.7);
}

.fq.is-demo .fq__item:nth-child(1) .fq__a-wrap {
  animation: fq-open-0 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.fq.is-demo .fq__item:nth-child(1) .fq__chevron {
  animation: fq-chev-0 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.fq.is-demo .fq__item:nth-child(2) .fq__a-wrap {
  animation: fq-open-1 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.fq.is-demo .fq__item:nth-child(2) .fq__chevron {
  animation: fq-chev-1 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.fq.is-demo .fq__item:nth-child(3) .fq__a-wrap {
  animation: fq-open-2 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.fq.is-demo .fq__item:nth-child(3) .fq__chevron {
  animation: fq-chev-2 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes fq-open-0 {
  0%, 15% {
    grid-template-rows: 1fr;
  }
  30%, 100% {
    grid-template-rows: 0fr;
  }
}
@keyframes fq-open-1 {
  0%, 30% {
    grid-template-rows: 0fr;
  }
  45%, 63% {
    grid-template-rows: 1fr;
  }
  78%, 100% {
    grid-template-rows: 0fr;
  }
}
@keyframes fq-open-2 {
  0%, 63% {
    grid-template-rows: 0fr;
  }
  78%, 96% {
    grid-template-rows: 1fr;
  }
  100% {
    grid-template-rows: 0fr;
  }
}
@keyframes fq-chev-0 {
  0%, 15% {
    transform: rotate(45deg);
  }
  30%, 100% {
    transform: rotate(-45deg);
  }
}
@keyframes fq-chev-1 {
  0%, 30% {
    transform: rotate(-45deg);
  }
  45%, 63% {
    transform: rotate(45deg);
  }
  78%, 100% {
    transform: rotate(-45deg);
  }
}
@keyframes fq-chev-2 {
  0%, 63% {
    transform: rotate(-45deg);
  }
  78%, 96% {
    transform: rotate(45deg);
  }
  100% {
    transform: rotate(-45deg);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .fq {
    gap: 4px;
  }
  .fq__q {
    padding: 8px 12px;
    font-size: 11px;
  }
  .fq__a {
    padding: 0 12px 8px;
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .fq__chevron, .fq__a-wrap {
    transition: none;
  }
  .fq.is-demo .fq__item .fq__a-wrap,
  .fq.is-demo .fq__item .fq__chevron {
    animation: none !important;
  }
}

// 실제 동작: 질문을 클릭하면 그 답변만 실제로 펼쳐지고 나머지는 닫힌다(단일 오픈).
var root = document.querySelector('.fq');
var items = root.querySelectorAll('.fq__item');
items.forEach(function (item) {
  item.querySelector('.fq__q').addEventListener('click', function () {
    root.classList.remove('is-demo');
    var open = item.classList.contains('is-open');
    items.forEach(function (o) {
      o.classList.remove('is-open');
      o.querySelector('.fq__q').setAttribute('aria-expanded', 'false');
    });
    if (!open) {
      item.classList.add('is-open');
      item.querySelector('.fq__q').setAttribute('aria-expanded', 'true');
    }
  });
});

import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./EventFaq.module.scss";

const ITEMS = [
  { q: "티켓은 환불되나요?", a: "행사 7일 전까지 전액 환불, 이후엔 수수료 10%가 붙습니다." },
  { q: "온라인으로도 참가할 수 있나요?", a: "현장 참가만 가능합니다. 주요 세션은 이후 영상으로 공개됩니다." },
  { q: "주차는 지원되나요?", a: "건물 지하 주차장 2시간 무료, 이후 시간당 2천 원입니다." },
];

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

export default function EventFaq({ duration = 300, easing = "cubic-bezier(.2,.8,.2,1)", color = "#17141a" }: EventFaqProps) {
  const [open, setOpen] = useState(0);
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.fq} style={vars}>
      {ITEMS.map((item, i) => (
        <div key={item.q} className={i === open ? `${styles.item} ${styles.isOpen}` : styles.item}>
          <button
            type="button"
            className={styles.q}
            aria-expanded={i === open}
            onClick={() => setOpen((o) => (o === i ? -1 : i))}
          >
            <span>{item.q}</span>
            <span className={styles.chevron} aria-hidden="true" />
          </button>
          <div className={styles.aWrap}>
            <p className={styles.a}>{item.a}</p>
          </div>
        </div>
      ))}
    </div>
  );
}