/* ============================================================
   page-service-item.css
   시설유형별 서비스상세 페이지 20종 공용 스타일.
   페이지마다 <head> 인라인 <style>로 --si-hue 값만 다르게 지정해
   카드 태그·구분점·FAQ 포인트 색만 바뀌고 나머지 구조는 공유한다.
   ============================================================ */

:root {
  --si-hue: 220;
  --si-ink: hsl(var(--si-hue) 30% 18%);
  --si-deep: hsl(var(--si-hue) 55% 32%);
  --si-accent: hsl(var(--si-hue) 62% 44%);
  --si-line: hsl(var(--si-hue) 40% 86%);
  --si-tint: hsl(var(--si-hue) 60% 97%);
}

body { font-family: 'Noto Sans KR', -apple-system, sans-serif; color: var(--si-ink); background: #fff; }
h1, h2, h3 { font-weight: 700; color: var(--si-deep); letter-spacing: -.01em; }

.si-intro { max-width: 860px; margin: 0 auto; padding: 56px 20px 40px; text-align: center; }
.si-eyebrow { color: var(--si-accent); font-weight: 700; font-size: .9rem; letter-spacing: .1em; margin-bottom: 14px; }
.si-intro h1 { font-size: clamp(1.8rem, 4.4vw, 2.6rem); margin-bottom: 22px; }
.si-intro p { line-height: 1.9; color: var(--si-ink); }

.si-divider { display: flex; align-items: center; gap: 14px; max-width: 1080px; margin: 0 auto 56px; padding: 0 20px; }
.si-divider::before, .si-divider::after { content: ""; flex: 1; height: 1px; background: var(--si-line); }
.si-divider span { width: 12px; height: 12px; border: 3px solid var(--si-accent); border-radius: 50%; flex-shrink: 0; background: #fff; }

.si-section { max-width: 1080px; margin: 0 auto; padding: 0 20px 56px; }
.si-section h2 { font-size: 1.35rem; margin-bottom: 24px; padding: 10px 18px; background: var(--si-tint); border-radius: 8px 20px; display: inline-block; }
.si-section > p { margin-bottom: 14px; line-height: 1.85; }

/* ---- 환경 특성 · 원인 카드 ---- */
.si-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.si-card { background: #fff; border: 1px solid var(--si-line); border-radius: 16px; padding: 22px; }
.si-card__tag { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; background: var(--si-tint); color: var(--si-deep); font-weight: 700; font-size: .82rem; border-radius: 8px; margin-bottom: 12px; }
.si-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.si-card p { margin: 0; font-size: .9rem; line-height: 1.7; }

@media (max-width: 720px) { .si-cards { grid-template-columns: 1fr; } }

/* ---- 정비 vs 교체 판단 비교 ---- */
.si-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.si-compare > div { border-radius: 16px; padding: 22px; border: 1px solid var(--si-line); }
.si-compare h3 { font-size: 1rem; margin-bottom: 10px; }
.si-compare p { margin: 0; font-size: .9rem; line-height: 1.75; }
.si-compare .si-keep { background: var(--si-tint); }
.si-compare .si-swap { background: #fff; border-color: var(--si-deep); }

@media (max-width: 720px) { .si-compare { grid-template-columns: 1fr; } }

/* ---- 확인 항목 리스트 (번호 없는 목록) ---- */
.si-checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.si-checklist li { padding: 14px 18px 14px 44px; background: var(--si-tint); border-radius: 10px; position: relative; font-size: .92rem; line-height: 1.7; }
.si-checklist li::before { content: ""; position: absolute; left: 18px; top: 18px; width: 8px; height: 8px; border-radius: 50%; background: var(--si-accent); }

/* ---- FAQ 아코디언 ---- */
.si-faq { display: flex; flex-direction: column; gap: 10px; }
.si-faq details { border: 1px solid var(--si-line); border-radius: 10px; padding: 4px 18px; background: #fff; }
.si-faq summary { padding: 14px 0; font-weight: 700; color: var(--si-deep); font-size: 1rem; position: relative; padding-right: 30px; }
.si-faq summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-size: 1.3rem; color: var(--si-accent); font-weight: 400; }
.si-faq details[open] summary::after { content: "\2212"; }
.si-faq .si-faq-a { padding: 0 0 16px; line-height: 1.8; }

@media (max-width: 480px) {
  .si-section h2 { font-size: 1.1rem; }
  .si-card, .si-compare > div { padding: 16px; }
}
