/* 홈 전용 — shell.css 다음에 읽는다 */
/* 섹션 상하 여백. index.html 인라인 <style> 에 있던 것이 CSS 분리 때 빠져서
   홈 섹션 전부가 padding 0 으로 붙어 있었다. (2026-09-11 복구) */
.sec{padding:clamp(56px,10vw,96px) 0}
/* ── 히어로 ── */
.hero{padding:clamp(48px,9vw,88px) 0 clamp(40px,7vw,64px)}
.hero-t{font-size:clamp(34px,8vw,60px);font-weight:800;line-height:1.14;letter-spacing:-.03em;margin:12px 0 18px}
.hero-s{font-size:clamp(17px,2.2vw,20px);color:var(--ink-soft);margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:44px}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.guide{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guide .steps li{list-style:none}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px}
.steps span{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:50%;background:var(--accent-weak);color:var(--ink);font-weight:800;font-size:15px;margin-bottom:10px}
.steps b{display:block;font-size:17px;font-weight:700}
.steps em{display:block;font-style:normal;font-size:15px;color:var(--ink-soft);margin-top:2px}

/* ── FAQ ── */
.faq{margin-top:28px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:18px;font-weight:700;min-height:56px;display:flex;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:8px;font-size:26px;font-weight:400;
  color:var(--ink-soft)}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 24px;color:var(--ink-soft);font-size:17px}
/* 전체 FAQ 로 가는 행. 아코디언과 같은 높이·같은 구분선이라 목록의 마지막 칸으로 읽힌다.
   별도 버튼으로 띄우면 CTA 로 보여 질문 목록에서 끊긴다(2026-09-16 사용자 지적). */
.faq-more{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 8px 22px 0;min-height:56px;border-bottom:1px solid var(--line);
  font-size:18px;font-weight:700;color:var(--ink);text-decoration:none}
.faq-more::after{content:"\2192";font-size:22px;font-weight:400;color:var(--ink-soft);
  transition:transform .2s;line-height:1}
.faq-more:hover::after{transform:translateX(4px)}

/* ── 모션 ── */
/* 히어로 순차 등장 — CSS 애니메이션이라 JS가 없거나 늦어도 반드시 보인다 */
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.stagger>*{animation:riseIn .6s cubic-bezier(.22,1,.36,1) both}
.stagger>*:nth-child(1){animation-delay:.05s}
.stagger>*:nth-child(2){animation-delay:.15s}
.stagger>*:nth-child(3){animation-delay:.25s}
.stagger>*:nth-child(4){animation-delay:.35s}
.stagger>*:nth-child(5){animation-delay:.45s}

.steps li{transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}
.steps li:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(3,38,68,.10)}
.faq details[open] p{animation:fadeDown .35s cubic-bezier(.22,1,.36,1)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.faq summary::after{transition:transform .2s}
.faq details[open] summary::after{transform:rotate(180deg)}

/* 히어로 배경 패럴랙스 */
.hero{position:relative;overflow:hidden}
.hero-glow{position:absolute;top:-180px;right:-140px;width:520px;height:520px;
  border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(255,146,64,.20),rgba(255,146,64,0) 68%);
  will-change:transform}
.hero .wrap{position:relative;z-index:1}

/* 스크롤 유도 */
.cue{display:flex;align-items:center;gap:8px;margin-top:32px;
  font-size:15px;color:var(--ink-soft);font-weight:600}
.cue i{display:inline-block;font-style:normal;animation:bob 1.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

@media(prefers-reduced-motion:reduce){
  .stagger>*{animation:none!important;opacity:1!important;transform:none!important}
  .cue i{animation:none}
  .hero-glow{display:none}
  .card:hover,.steps li:hover,.fab:hover{transform:none}
  .faq details[open] p{animation:none}
  *{scroll-behavior:auto!important}
}

/* ── 반응형 ── */
@media(max-width:720px){
  .nav{display:none}
  .hd-cta{margin-left:auto}
  .steps{grid-template-columns:1fr}
  .pc-only{display:none}
  .hero-cta .btn{width:100%}
  .opts{grid-template-columns:1fr}
}