/* 용도별 랜딩 공용 스타일 — /for-class, /for-manual, /for-training, /for-handover
   메인 랜딩(index.html)의 토큰·컴포넌트를 축약해 공유한다. */
:root{
  --ink:#17181c; --paper:#f7f7f9; --card:#fff; --muted:#868b94; --line:#e9eaee;
  --red:#ff3b30; --red-deep:#e2261b; --red-soft:#fff0ef;
  --display:"Hahmlet",serif;
  --body:"Apple SD Gothic Neo","Malgun Gothic",-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);letter-spacing:-0.01em;line-height:1.7;word-break:keep-all;overflow-wrap:break-word}

/* 상단 바 */
.bar{position:sticky;top:0;z-index:20;background:rgba(247,247,249,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar-in{max-width:1080px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:22px}
.wordmark{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;text-decoration:none;color:var(--ink)}
.wordmark .bk{width:30px;height:30px;border-radius:9px;background:linear-gradient(160deg,#ff544a,var(--red));display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:0 3px 9px rgba(255,59,48,.35)}
.bar nav{display:flex;gap:18px;margin-left:auto;align-items:center}
.bar nav a{color:#4b4f57;text-decoration:none;font-size:13.5px;font-weight:600}
.bar nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:12px;padding:11px 20px;font:700 14px/1 var(--body);cursor:pointer;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease}
.btn-red{background:linear-gradient(160deg,#ff544a,var(--red));color:#fff;box-shadow:0 5px 16px rgba(255,59,48,.35)}
.btn-red:hover{transform:translateY(-1px);box-shadow:0 7px 20px rgba(255,59,48,.45)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:#d7d9df}
.bar .btn{padding:9px 16px;font-size:13px}

/* 섹션 공통 */
section{padding:64px 0}
.in{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red-deep);font-size:12.5px;font-weight:800;letter-spacing:.08em;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--red)}
h1{font-family:var(--display);font-weight:800;font-size:40px;line-height:1.32;letter-spacing:-0.03em}
h2{font-family:var(--display);font-weight:700;font-size:28px;letter-spacing:-0.02em;line-height:1.4;margin-bottom:14px}
h1 .u{background:linear-gradient(transparent 66%,#ffd9d6 66%)}
.sub{color:#4b4f57;font-size:16px;max-width:56ch}

/* 히어로 (중앙 정렬) */
.hero-s{text-align:center;padding:72px 24px 40px;max-width:820px;margin:0 auto}
.hero-s .sub{margin:22px auto 30px}
.hero-s .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-s .note{margin-top:14px;color:var(--muted);font-size:12.5px}

/* 정의문 박스 (GEO 인용용) */
.def{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--red);border-radius:12px;padding:20px 22px;margin:0 auto;max-width:760px;font-size:15.5px;color:#33353b}
.def b{color:var(--ink)}

/* 시나리오 스토리 */
.story{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.story .q{font-family:var(--display);font-weight:700;font-size:22px;line-height:1.5;color:var(--ink);max-width:40ch}
.story p{margin-top:16px;color:#4b4f57;font-size:15px;max-width:52ch}

/* 업무 카드 그리드 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.gcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.gcard:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(23,24,28,.1)}
.gcard .em{font-size:22px}
.gcard h3{font-size:15px;font-weight:800;margin:10px 0 5px}
.gcard p{font-size:12.5px;color:#4b4f57}
.cards-note{margin-top:20px;color:var(--muted);font-size:13px;text-align:center}

/* FAQ */
.faq{max-width:760px;margin:28px auto 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:10px}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-weight:800;font-size:18px}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 20px 18px;color:#4b4f57;font-size:14px;line-height:1.75}

/* 마지막 CTA */
.cta-end{text-align:center;padding:80px 24px}
.cta-end h2{font-size:30px}
.cta-end .ctas{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap}

/* 푸터 */
footer{border-top:1px solid var(--line);padding:30px 24px;font-size:12.5px;color:var(--muted)}
footer .in{display:flex;gap:20px;flex-wrap:wrap;align-items:center;padding:0}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--ink)}
footer .sp{flex:1}

:focus-visible{outline:2.5px solid var(--red);outline-offset:2px;border-radius:6px}

/* 반응형 */
@media (max-width:880px){
  h1{font-size:32px}
  h2{font-size:24px}
  .cards{grid-template-columns:1fr}
  .bar nav a:not(.btn){display:none}
}