/* ==========================================================================
   HowCheck 테마 스타일 — 디자인 시안 기반
   토큰 → 레이아웃 → 컴포넌트 → 반응형
   ========================================================================== */

:root{
  --accent:#0E7B57;
  --accent-dark:#0A5D42;
  --accent-tint:#E9F2EC;
  --ink:#1A2420;
  --ink-soft:#3A453F;
  --ink-mute:#55605A;
  --ink-faint:#8A948D;
  --bg:#FAFAF7;
  --surface:#FFFFFF;
  --line:#E7E7E0;
  --line-soft:#ECECE5;
  --dark:#14231E;
  --dark-soft:#1D3229;
  --mint:#6FCFA4;
  --radius:14px;
  --radius-lg:16px;
  --maxw:1200px;
  --font-body:'IBM Plex Sans KR','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --font-head:'IBM Plex Sans KR','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}
h1,h2,h3,h4{font-family:var(--font-head);letter-spacing:-0.02em;line-height:1.35;margin:0}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:8px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---- 신뢰 바 ---- */
.trustbar{background:var(--dark);color:#C6D2CB;font-size:12.5px}
.trustbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px}
.trustbar__left{display:flex;align-items:center;gap:8px}
.trustbar__left svg{color:var(--mint);flex:none}
.trustbar__nav{display:flex;gap:24px}
.trustbar__nav a{color:#C6D2CB}
.trustbar__nav a:hover{color:#fff}

/* ---- 헤더 ---- */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;gap:32px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__logo{width:32px;height:32px;flex:none}
.brand__name{font-family:var(--font-head);font-size:23px;font-weight:700;color:var(--ink)}
.brand__name b{color:var(--accent);font-weight:700}
.mainnav{display:flex;align-items:center;gap:24px;font-size:15px;font-weight:500}
.mainnav a{color:var(--ink-soft)}
.mainnav a:hover{color:var(--accent)}
.mainnav .tools-link{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;background:var(--accent-tint);color:var(--accent);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;border:1.5px solid var(--line);color:var(--ink-soft);background:none;cursor:pointer}
.btn-bell{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;color:#fff;font-size:14.5px;font-weight:600;background:var(--accent)}
.btn-bell:hover{background:var(--accent-dark);color:#fff}
.nav-toggle{display:none}

/* ---- 히어로 ---- */
.hero{background:linear-gradient(180deg,var(--accent-tint),var(--bg))}
.hero .wrap{display:flex;gap:56px;align-items:center;padding:64px 24px 72px}
.hero__col{flex:1.15;display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.eyebrow{font-size:13.5px;font-weight:700;letter-spacing:.12em;color:var(--accent)}
.hero h1{font-size:52px;font-weight:700;line-height:1.24;letter-spacing:-0.03em}
.hero__lead{font-size:18px;color:var(--ink-mute);max-width:560px;margin:0}
.searchbox{display:flex;align-items:center;gap:8px;width:100%;max-width:600px;padding:6px 6px 6px 22px;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;box-shadow:0 8px 24px rgba(20,35,30,.06)}
.searchbox svg{color:var(--ink-faint);flex:none}
.searchbox input{flex:1;border:none;outline:none;font:inherit;font-size:16px;background:none;color:var(--ink)}
.searchbox button{display:inline-flex;align-items:center;padding:13px 26px;border-radius:999px;color:#fff;font-size:15.5px;font-weight:600;background:var(--accent);border:none;cursor:pointer}
.searchbox button:hover{background:var(--accent-dark)}
.chips{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.chips__label{font-size:13px;font-weight:600;color:var(--ink-faint)}
.chip{padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13.5px;font-weight:500;color:var(--ink-soft)}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.hero__aside{flex:none;width:420px}
.verify-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:0 18px 44px rgba(20,35,30,.10);display:flex;flex-direction:column;gap:14px}

/* ---- 섹션 공통 ---- */
.section{padding:72px 0}
.section--dark{background:var(--dark)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:30px;gap:16px}
.section-head h2{font-size:30px;font-weight:700}
.section--dark .section-head h2{color:#fff}
.more-link{font-size:14.5px;font-weight:600;white-space:nowrap}
.section--dark .more-link{color:#A8C6B6}

/* 확인일 배지 (시그니처) */
.verified{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--accent)}
.verified svg{flex:none}
.cat-eyebrow{font-size:12.5px;font-weight:700;color:var(--accent)}

/* ---- 카드 그리드 ---- */
.grid{display:grid;gap:28px}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--6{grid-template-columns:repeat(6,minmax(0,1fr))}
.postcard{display:flex;flex-direction:column;gap:12px}
.postcard__thumb{display:flex;align-items:center;justify-content:center;height:164px;border-radius:var(--radius);background:var(--accent-tint);overflow:hidden}
.postcard__thumb img{width:100%;height:100%;object-fit:cover}
.postcard__thumb svg{color:var(--accent);opacity:.85}
.postcard h3{font-size:17px;font-weight:700;line-height:1.5;font-family:var(--font-body);letter-spacing:0}
.postcard h3 a{color:var(--ink)}
.postcard h3 a:hover{color:var(--accent)}

/* 오늘의 확인 (피처) */
.today{display:grid;grid-template-columns:1.2fr 1fr;gap:44px}
.feature__thumb{height:300px;border-radius:var(--radius-lg);background:var(--accent-tint);display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:16px}
.feature__thumb img{width:100%;height:100%;object-fit:cover}
.feature h3{font-family:var(--font-head);font-size:27px;font-weight:700;line-height:1.45}
.feature h3 a{color:var(--ink)}
.mini-list{display:flex;flex-direction:column}
.mini{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-soft)}
.mini:last-child{border-bottom:none}
.mini__ic{flex:none;width:76px;height:76px;border-radius:12px;background:var(--accent-tint);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.mini__ic img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.mini h3{font-size:16.5px;font-weight:700;line-height:1.5;font-family:var(--font-body);letter-spacing:0}
.mini h3 a{color:var(--ink)}
.mini__meta{font-size:12.5px;color:var(--ink-faint)}

/* ---- 도구 섹션 (다크) ---- */
.tool-card{display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--radius-lg);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.tool-card svg{color:var(--mint)}
.tool-card h3{font-size:17px;font-weight:700;color:#fff;font-family:var(--font-body);letter-spacing:0}
.tool-card p{font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.62);margin:0}
.tool-card a{font-size:14px;font-weight:600;color:var(--mint)}
.section--dark .section-sub{color:rgba(255,255,255,.62);margin:-22px 0 32px}

/* ---- 주제 타일 ---- */
.topic{display:flex;flex-direction:column;align-items:center;gap:14px;padding:28px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);text-align:center}
.topic:hover{border-color:var(--accent)}
.topic__ic{width:56px;height:56px;border-radius:999px;background:var(--accent-tint);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.topic span{font-size:15px;font-weight:700;color:var(--ink)}

/* ---- 신뢰 4기둥 ---- */
.section--tint{background:linear-gradient(180deg,var(--accent-tint),var(--bg))}
.pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.pillar{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.pillar__ic{width:60px;height:60px;border-radius:999px;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.pillar h3{font-size:17px;font-weight:700;font-family:var(--font-body);letter-spacing:0}
.pillar p{font-size:14px;line-height:1.65;color:var(--ink-mute);margin:0}
.center-head{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:44px;text-align:center}
.center-head p{margin:0;color:var(--ink-mute)}

/* ---- 뉴스레터 ---- */
.newsletter{background:var(--accent)}
.newsletter .wrap{display:flex;align-items:center;justify-content:space-between;gap:48px;padding:56px 24px}
.newsletter h2{font-family:var(--font-head);font-size:27px;color:#fff}
.newsletter p{margin:8px 0 0;color:rgba(255,255,255,.85);max-width:560px}
.newsletter form{display:flex;align-items:center;gap:8px;flex:none;width:460px;padding:6px 6px 6px 22px;background:#fff;border-radius:999px}
.newsletter input{flex:1;border:none;outline:none;font:inherit;font-size:15px;background:none}
.newsletter button{padding:12px 24px;border-radius:999px;background:var(--dark);color:#fff;font-weight:600;border:none;cursor:pointer}

/* ---- 푸터 ---- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:60px 0 36px}
.footer-top{display:flex;gap:64px;padding-bottom:40px}
.footer-brand{width:340px;display:flex;flex-direction:column;gap:14px}
.footer-brand .brand__name{color:#fff}
.footer-col{flex:1;display:flex;flex-direction:column;gap:12px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.08em;color:rgba(255,255,255,.45);font-family:var(--font-body)}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.45)}

/* ==========================================================================
   단일 글 (확인 페이지)
   ========================================================================== */
.article-layout{display:flex;gap:56px;padding:36px 0 80px}
.article-main{flex:1;min-width:0;max-width:820px}
.article-side{flex:none;width:320px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-faint);flex-wrap:wrap;margin-bottom:22px}
.breadcrumb a{color:var(--ink-faint)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.article-main h1{font-size:40px;font-weight:700;line-height:1.3;letter-spacing:-0.03em;margin-bottom:22px}
.article-meta{display:flex;align-items:center;gap:16px;padding:15px 20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;font-size:13.5px;color:var(--ink-mute);flex-wrap:wrap;margin-bottom:28px}
.article-meta .verified{font-size:13.5px;font-weight:700}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.quick-answer{padding:26px 28px;border-radius:var(--radius-lg);background:var(--accent-tint);margin-bottom:28px}
.quick-answer__label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent);margin-bottom:12px}
.quick-answer p{font-size:17.5px;font-weight:600;line-height:1.75;margin:0}
.article-body{font-size:16px;line-height:1.9;color:var(--ink-soft)}
.article-body h2{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:36px 0 16px}
.article-body h3{font-size:20px;font-weight:700;font-family:var(--font-body);margin:28px 0 12px}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body img{border-radius:var(--radius);margin:20px 0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.article-body th{background:var(--accent-tint);font-weight:700}
.article-body a{text-decoration:underline;text-underline-offset:2px}
.sources{padding:26px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);margin:32px 0}
.sources__title{display:flex;align-items:center;gap:9px;font-size:15.5px;font-weight:700;margin-bottom:14px}
.sources__title svg{color:var(--accent)}
.source-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:10px;background:var(--bg);margin-bottom:10px}
.source-item__n{flex:none;width:22px;height:22px;border-radius:999px;background:var(--accent-tint);display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;color:var(--accent)}
.source-item__body{display:flex;flex-direction:column;gap:3px;min-width:0}
.source-item__name{font-size:15px;font-weight:600;color:var(--ink)}
.source-item__org{font-size:13px;color:var(--ink-faint)}
.source-item__link{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--accent);white-space:nowrap}
.changelog{padding-top:8px}
.changelog__title{display:flex;align-items:center;gap:9px;font-size:15.5px;font-weight:700;margin-bottom:14px}
.changelog__title svg{color:var(--accent)}
.changelog__row{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-soft);margin-bottom:10px}
.changelog__row .date{font-weight:600;width:110px;flex:none}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;margin-bottom:24px}
.side-card h4{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--ink-faint);font-family:var(--font-body);margin:0 0 12px}
.side-card--dark{background:var(--dark)}
.side-card--dark h4{color:var(--mint)}
.toc a,.toc span{display:block;font-size:14.5px;padding:4px 0;color:var(--ink-mute)}
.toc a{color:var(--accent);font-weight:600}
.article-side .side-card.is-sticky{position:sticky;top:96px}

/* FAQ (접이식 + FAQPage 구조화 데이터) */
.faq{margin:40px 0 8px}
.faq h2{font-size:26px;font-weight:700;letter-spacing:-.01em;margin-bottom:16px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:12px;overflow:hidden}
.faq-q{list-style:none;cursor:pointer;padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"+";font-size:24px;font-weight:400;line-height:1;color:var(--accent);flex:none}
details[open] .faq-q::after{content:"\2212"}
.faq-a{padding:2px 22px 20px;font-size:15.5px;line-height:1.85;color:var(--ink-soft)}
.faq-a p{margin:0 0 .6em}
.faq-a p:last-child{margin-bottom:0}

/* ==========================================================================
   아카이브 / 페이지 / 검색
   ========================================================================== */
.page-hero{padding:48px 0 8px}
.page-hero h1{font-size:38px;font-weight:700;letter-spacing:-0.03em}
.page-hero .lead{color:var(--ink-mute);margin-top:10px}
.pagenav{display:flex;gap:8px;justify-content:center;padding:40px 0}
.pagenav .page-numbers{display:inline-flex;min-width:42px;height:42px;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:10px;color:var(--ink-soft);font-weight:600}
.pagenav .page-numbers.current{background:var(--accent);color:#fff;border-color:var(--accent)}
.static-content{max-width:760px;margin:0 auto;padding:20px 0 72px}
.static-content h2{font-size:24px;margin:32px 0 12px}
.static-content p{color:var(--ink-soft)}

/* ==========================================================================
   반응형
   ========================================================================== */
@media(max-width:960px){
  .hero .wrap{flex-direction:column;gap:36px;padding:44px 24px 52px}
  .hero__aside{width:100%}
  .hero h1{font-size:40px}
  .today{grid-template-columns:1fr;gap:32px}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--6{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pillars{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-layout{flex-direction:column;gap:0}
  .article-side{width:100%}
  .article-side .side-card.is-sticky{position:static}
  .footer-top{flex-wrap:wrap;gap:32px}
  .footer-brand{width:100%}
  .newsletter .wrap{flex-direction:column;align-items:flex-start;gap:20px}
  .newsletter form{width:100%}
}
@media(max-width:640px){
  body{font-size:15px}
  .wrap{padding:0 16px}
  .mainnav,.trustbar__nav,.header-actions .btn-bell span{display:none}
  .nav-toggle{display:inline-flex}
  .site-header .wrap{height:60px;gap:16px}
  .hero h1{font-size:32px}
  .section{padding:44px 0}
  .grid--3,.grid--4,.grid--6{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .pillars{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .article-main h1{font-size:29px}
  .section-head h2{font-size:23px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}