/* 썬더미리 — 공유 스타일 (콘텐츠/정책 페이지 공통)
   디자인 수정은 주로 이 파일에서 한다. */
:root{
  --navy:#0879b9;
  --navy-deep:#07547d;
  --yellow:#f1c651;
  --yellow-deep:#c8930d;
  --ink:#102334;
  --ink-soft:#5a7181;
  --line:#d7e4eb;
  --bg:#f4f8fb;
  --card:#ffffff;
  --radius:16px;
  --wrap:760px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  /* Wanted Sans = 가변 폰트(400~1000). 92개 조각으로 나뉘어 있어 실제로 쓰인 글자만 받는다.
     CDN이 죽어도 아래 시스템 폰트로 자연스럽게 내려간다. */
  font-family:"Wanted Sans Variable","Wanted Sans",-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;
}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:100;background:#0e2e42;color:#fff;
  padding-top:env(safe-area-inset-top,0px);box-shadow:0 2px 14px rgba(7,42,62,.2)}
.site-header .inner{max-width:var(--wrap);margin:0 auto;padding:12px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:8px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.4px;white-space:nowrap;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{display:block;width:27px;height:27px;border-radius:7px;background:#0c3448;overflow:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.18)}
.brand-mark img{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.28)}
.brand-short{display:none}
.nav{display:flex;gap:6px;flex-wrap:wrap;-ms-overflow-style:none;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:0 0 auto;color:#dbe3ff;font-size:14px;font-weight:600;padding:6px 10px;border-radius:8px;white-space:nowrap}
.nav a:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}
.nav a.cta{background:var(--yellow);color:#173144}
.nav a.cta:hover{background:var(--yellow-deep);color:#000}
.menu-toggle{display:none;border:1px solid rgba(255,255,255,.32);border-radius:8px;background:transparent;color:#fff;font:inherit;font-size:13px;font-weight:800;padding:7px 11px;cursor:pointer}
.alert-status-bar{position:sticky;top:calc(57px + env(safe-area-inset-top,0px));z-index:90;min-height:38px;padding:7px max(18px,calc((100vw - var(--wrap))/2));background:#fff8df;border-bottom:1px solid #eadb9d;color:#5c4a0d;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;box-shadow:0 4px 12px rgba(7,42,62,.06)}
.alert-status-bar[hidden],.alert-manage-overlay[hidden]{display:none!important}
.alert-status-bar>span{display:flex;align-items:center;gap:7px;min-width:0}.alert-status-bar i{width:8px;height:8px;border-radius:50%;background:#21a06f;box-shadow:0 0 0 4px rgba(33,160,111,.12)}
.alert-status-bar b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.alert-status-bar button{flex:0 0 auto;border:0;background:none;color:#775d00;font:inherit;font-weight:900;text-decoration:underline;cursor:pointer}
.alert-manage-overlay{position:fixed;inset:0;z-index:600;display:grid;place-items:center;padding:18px}
.alert-manage-backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(7,35,50,.56);cursor:pointer}
.alert-manage-card{position:relative;width:min(430px,100%);padding:27px;border-radius:18px;background:#fff;box-shadow:0 24px 70px rgba(7,35,50,.28)}
.alert-manage-card h2{margin:0 40px 7px 0;font-size:23px}.alert-manage-card p{margin:0 0 18px;color:var(--ink-soft);font-size:14px;line-height:1.65}
.alert-manage-close{position:absolute;top:13px;right:14px;width:36px;height:36px;border:0;border-radius:50%;background:#eef4f6;color:#335463;font-size:24px;cursor:pointer}
.alert-manage-change,.alert-off-button{display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;border-radius:10px;font:inherit;font-weight:900;cursor:pointer}
.alert-manage-change{margin-bottom:9px;border:1px solid #9fc3d3;background:#fff;color:var(--navy)}.alert-manage-change:hover{text-decoration:none;background:#f3f9fb}
.alert-off-button{border:1px solid #d8aca6;background:#fff5f2;color:#a13f32}.alert-off-button:disabled{opacity:.6;cursor:wait}

/* 본문 */
main{max-width:var(--wrap);margin:0 auto;padding:30px 18px 50px}
.page-title{font-size:28px;font-weight:800;letter-spacing:-.6px;margin:6px 0 4px}
.page-sub{color:var(--ink-soft);font-size:15px;margin:0 0 26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:0 8px 24px rgba(20,76,104,.06);margin-bottom:18px}
.card h2{font-size:20px;margin:26px 0 10px;letter-spacing:-.3px}
.card h2:first-child{margin-top:0}
.card h3{font-size:16.5px;margin:20px 0 6px}
.card p{margin:0 0 14px}
.card ul,.card ol{margin:0 0 14px;padding-left:22px}
.card li{margin:5px 0}
.card .muted{color:var(--ink-soft);font-size:14px}
.tag{display:inline-block;background:#eef2ff;color:var(--navy);font-size:12.5px;font-weight:700;
  padding:3px 10px;border-radius:999px;margin-bottom:12px}
.callout{background:#fffbe9;border:1px solid #ffe9a8;border-radius:12px;padding:14px 16px;margin:0 0 16px}
.callout b{color:var(--yellow-deep)}
.divider{height:1px;background:var(--line);margin:22px 0}

/* 글 목록 카드 */
.post-list{display:grid;gap:14px}
.post-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:0 6px 20px rgba(30,58,138,.05);transition:transform .12s, box-shadow .12s}
.post-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 28px rgba(30,58,138,.1)}
.post-card h3{margin:0 0 6px;font-size:18px;color:var(--ink)}
.post-card p{margin:0;color:var(--ink-soft);font-size:14.5px}
.post-card .more{display:inline-block;margin-top:10px;color:var(--navy);font-weight:700;font-size:14px}

/* 버튼 */
.btn{display:inline-block;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:#fff;font-weight:800;font-size:16px;padding:14px 24px;border-radius:14px;
  box-shadow:0 10px 22px rgba(30,58,138,.28)}
.btn:hover{text-decoration:none;opacity:.94}
.btn.yellow{background:linear-gradient(135deg,var(--yellow) 0%,var(--yellow-deep) 100%);color:var(--navy-deep)}

/* 푸터 */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:30px}
.site-footer .inner{max-width:var(--wrap);margin:0 auto;padding:26px 18px 34px;text-align:center}
.footer-nav{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin-bottom:14px}
.footer-nav a{color:var(--ink-soft);font-size:13.5px;font-weight:600}
.footer-brand{font-weight:800;color:var(--navy);margin-bottom:4px}
.footer-copy{color:var(--ink-soft);font-size:12.5px;line-height:1.7}

/* 기상 시그널 콘텐츠 페이지 */
.story-page,.research-page{max-width:860px}
.story-title{max-width:760px;margin-bottom:30px;font-size:clamp(34px,6vw,56px);line-height:1.13;letter-spacing:-1.6px}
/* 부제가 뒤따르면 제목 아래 여백은 부제가 맡는다(story.html은 부제가 없어 위 margin을 씀) */
.story-title:has(+ .story-sub){margin-bottom:4px}
.story-sub{max-width:720px;font-size:17px}
.story-card{padding:12px 38px 38px}
.story-card section{padding:32px 0;border-bottom:1px solid var(--line)}
.story-card section:last-of-type{border-bottom:0}
.story-card h2{margin:2px 0 14px;font-size:26px}
.story-card p{font-size:16px;line-height:1.85}
.story-number{margin:0!important;color:var(--navy)!important;font-size:12px!important;font-weight:800;letter-spacing:.1em}
.story-card blockquote{margin:24px 0 0;padding:18px 20px;border-left:4px solid var(--yellow);background:#fff8df;color:var(--ink);font-size:20px;font-weight:800;line-height:1.55}
.source-inline{display:inline-block;margin-top:3px;font-weight:800}
.story-actions,.research-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.btn.outline{background:#fff;color:var(--navy);border:1px solid #a9c9d9;box-shadow:none}

.change-record{margin:18px 0}
.change-record div:first-child{border-color:#e0d0b6;background:#fbf7f0}
.change-record div:last-child{border-color:#a8cfc0;background:#f1faf6}
.research-warning{margin:28px 0 34px;padding:20px 22px;border-color:#e6cd70;background:#fff8df}
.warning-title{display:block;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid #ecd48c;color:var(--ink);font-size:16px;line-height:1.45}
.warning-points{display:grid;gap:13px;margin:0;padding:0;list-style:none}
.warning-points li{display:grid;gap:3px;padding-left:15px;border-left:3px solid var(--yellow)}
.warning-points b{color:var(--yellow-deep);font-size:13.5px}
.warning-points span{color:var(--ink);font-size:13.5px;line-height:1.65}
.source-group{margin:0 0 46px}
.source-heading{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;margin-bottom:16px}
.source-heading>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#e4f2f8;color:var(--navy);font-size:13px;font-weight:800}
.source-heading h2{margin:0 0 5px;font-size:25px;letter-spacing:-.4px}
.source-heading p{margin:0;color:var(--ink-soft)}
.source-card{margin:0 0 12px;padding:23px 24px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 7px 20px rgba(20,76,104,.05)}
.source-card.featured{border-left:4px solid var(--navy)}
.source-card h3{margin:5px 0 9px;font-size:18px;line-height:1.5}
.source-card p{margin:0 0 10px;color:#405767;font-size:15px;line-height:1.75}
.source-card a{font-size:14px;font-weight:800}
.source-type{color:var(--navy);font-size:12px;font-weight:800}
.source-limit{margin:12px 4px;color:var(--ink-soft);font-size:14px;line-height:1.7}
.claim-boundaries{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.claim-boundaries div{display:grid;gap:6px;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}
.claim-boundaries strong{color:var(--ink)}
.claim-boundaries span{color:var(--ink-soft);font-size:14px;line-height:1.6}

.signal-stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:22px 0 28px;border:1px solid var(--line);border-radius:12px;background:var(--line);overflow:hidden}
.signal-stat-row div{display:grid;gap:3px;padding:20px;background:#fff;text-align:center}
.signal-stat-row strong{color:var(--navy);font-size:28px}
.signal-stat-row span{color:var(--ink-soft);font-size:13px;font-weight:700}
.how-list{margin-bottom:22px}
.step-kicker{display:inline-block;margin-bottom:7px;color:var(--navy);font-size:12px;font-weight:800;letter-spacing:.08em}

/* 동탄이의 소리 적응 기록 + 참고자료 통합 페이지 */
.sound-story-card section{padding:12px 0 30px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.sound-story-card section:last-child{margin-bottom:0;padding-bottom:4px;border-bottom:0}
.experience-steps{display:grid;gap:9px;margin:20px 0 16px!important;padding:0!important;list-style:none;counter-reset:experience}
.experience-steps li{counter-increment:experience;display:grid;grid-template-columns:34px 150px 1fr;gap:10px;align-items:start;padding:14px 15px;border-radius:11px;background:var(--bg)}
.experience-steps li::before{content:counter(experience);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:900}
.experience-steps strong{color:var(--ink)}.experience-steps span{color:var(--ink-soft);font-size:14px;line-height:1.6}
.reference-details{margin:20px 0 24px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(20,76,104,.06);overflow:hidden}
.reference-details>summary{padding:20px 23px;color:var(--navy);font-size:16px;font-weight:900;cursor:pointer;list-style-position:inside}
.reference-details[open]>summary{border-bottom:1px solid var(--line);background:#f4f9fb}
.reference-details-body{padding:24px}.reference-details-body .source-group:last-child{margin-bottom:0}

@media(max-width:650px){
  .site-header .inner{position:relative;min-height:52px;padding:9px 16px;align-items:center;flex-direction:row}
  .brand{font-size:16px}
  .brand-mark{width:26px;height:26px}
  .brand-full{display:none}
  .brand-short{display:inline}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .alert-status-bar{top:calc(52px + env(safe-area-inset-top,0px));padding:7px 16px}
  .nav{position:absolute;top:calc(100% + 1px);left:12px;right:12px;width:auto;display:none;flex-direction:column;gap:2px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 36px rgba(7,42,62,.2)}
  .nav.nav-open{display:flex}
  .nav a{width:100%;padding:10px 12px;color:var(--ink);font-size:14px}
  .nav a:hover{background:var(--bg);color:var(--navy)}
  .nav a.cta{display:none}
  .story-card{padding:4px 20px 24px}
  .story-card blockquote{font-size:17px}
  .claim-boundaries{grid-template-columns:1fr}
  .signal-stat-row{grid-template-columns:1fr}
  .signal-stat-row div{display:flex;align-items:center;justify-content:space-between;padding:13px 17px}
  .experience-steps li{grid-template-columns:30px 1fr;gap:7px 10px}.experience-steps li span{grid-column:2}
  .reference-details-body{padding:18px}
}