/*
Theme Name: LTC Guide
Theme URI: https://infoinfo.rand3.com
Description: 장기요양 정보 안내 전용 커스텀 테마. 보호자를 위한 노인장기요양등급 신청 정보 플랫폼.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Text Domain: ltc-guide
*/

/* =========================================================
   Design tokens
   ========================================================= */
:root{
  --ink:#1b2733;
  --ink-soft:#3f4c5a;
  --muted:#6b7787;
  --line:#e6ebf1;
  --line-strong:#d3dbe4;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --bg-tint:#eef4f8;
  --brand:#245b86;         /* deep calm navy-teal */
  --brand-dark:#1a4467;
  --brand-2:#2f8f83;       /* teal accent */
  --brand-2-dark:#237065;
  --brand-wash:#e8f1f6;
  --warn-wash:#fff8ec;
  --warn-line:#f0d9a8;
  --danger:#b4472e;

  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-pill:999px;
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px; --sp-8:128px;
  --shadow-sm:0 1px 2px rgba(20,40,60,.06),0 1px 3px rgba(20,40,60,.05);
  --shadow-md:0 6px 18px rgba(20,40,60,.08);
  --shadow-lg:0 18px 48px rgba(20,40,60,.12);
  --maxw:1160px; --readw:760px;
  --font-ui:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --font-serif:"Nanum Myeongjo","Noto Serif KR",var(--font-ui);
  --t-fast:150ms; --t-mid:240ms;
}

/* =========================================================
   Reset / base
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);
  font-size:17px;line-height:1.75;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--brand-2-dark)}
h1,h2,h3,h4{color:var(--ink);line-height:1.32;letter-spacing:-.02em;font-weight:800}
p{margin:0 0 1.1em}
:focus-visible{outline:3px solid var(--brand-2);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:1000;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* =========================================================
   Header
   ========================================================= */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{width:38px;height:38px;border-radius:11px;display:block;box-shadow:var(--shadow-sm)}
.brand__name{font-weight:800;font-size:18px;letter-spacing:-.03em;color:var(--ink)}
.brand__name small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.01em;margin-top:1px}
.nav-primary{margin-left:auto}
.nav-primary ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.nav-primary a{display:block;padding:9px 14px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;color:var(--ink-soft)}
.nav-primary a:hover{background:var(--bg-tint);color:var(--brand-dark)}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line-strong);background:#fff;border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav-primary{position:fixed;inset:70px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    transform:translateY(-140%);transition:transform var(--t-mid);box-shadow:var(--shadow-md);margin:0}
  .nav-primary.open{transform:translateY(0)}
  .nav-primary ul{flex-direction:column;padding:12px 16px;gap:2px}
  .nav-primary a{padding:13px 12px;font-size:16px}
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;min-height:48px;padding:12px 24px;
  border-radius:var(--r-pill);font-weight:700;font-size:16px;cursor:pointer;border:1px solid transparent;transition:transform var(--t-fast),box-shadow var(--t-fast),background var(--t-fast)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn--ghost{background:#fff;color:var(--brand-dark);border-color:var(--line-strong)}
.btn--ghost:hover{background:var(--bg-tint);color:var(--brand-dark)}

/* =========================================================
   Post / page body
   ========================================================= */
.article-hero{position:relative;background:var(--bg-soft)}
.article-hero__media{position:relative;height:clamp(240px,38vw,420px);overflow:hidden}
.article-hero__media img{width:100%;height:100%;object-fit:cover}
.article-hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,32,48,.05) 0%,rgba(16,32,48,.55) 100%)}
.article-hero__inner{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.article-hero__box{position:relative;margin:-90px auto 0;max-width:var(--readw);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:34px clamp(22px,4vw,44px);z-index:2}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-2-dark);background:var(--brand-wash);
  padding:5px 12px;border-radius:var(--r-pill);letter-spacing:.02em}
.article-hero__box h1{font-size:clamp(26px,4.4vw,40px);margin:16px 0 12px;line-height:1.25}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:14.5px;align-items:center}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}

.entry{max-width:var(--readw);margin:0 auto;padding:44px 20px 20px}
.entry h2{font-size:clamp(21px,3vw,27px);margin:2.2em 0 .7em;padding-top:.4em;
  border-top:1px solid var(--line);position:relative}
.entry h2::before{content:"";position:absolute;top:-1px;left:0;width:52px;height:3px;background:var(--brand-2);border-radius:2px}
.entry h3{font-size:19.5px;margin:1.7em 0 .5em;color:var(--brand-dark)}
.entry p,.entry li{font-size:17px;line-height:1.85;color:var(--ink-soft)}
.entry strong{color:var(--ink);font-weight:700}
.entry ul,.entry ol{padding-left:1.25em;margin:0 0 1.3em}
.entry li{margin:.4em 0}
.entry img{border-radius:var(--r-md);box-shadow:var(--shadow-sm);margin:1.6em auto}
.entry figure{margin:1.6em 0}
.entry figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px}
.entry a{font-weight:600;text-decoration:underline;text-decoration-color:var(--brand-wash);text-underline-offset:3px}
.entry a:hover{text-decoration-color:var(--brand-2)}

/* summary box */
.ltc-summary{background:linear-gradient(180deg,var(--brand-wash),#fff);border:1px solid var(--line-strong);
  border-radius:var(--r-md);padding:22px 24px;margin:0 0 2em}
.ltc-summary h4{margin:0 0 12px;font-size:16px;color:var(--brand-dark);display:flex;align-items:center;gap:9px}
.ltc-summary h4::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--brand-2)}
.ltc-summary ul{margin:0;padding-left:1.1em}
.ltc-summary li{font-size:15.8px;color:var(--ink-soft);margin:.35em 0}

/* tables */
.ltc-table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15.5px;
  border:1px solid var(--line-strong);border-radius:var(--r-md);overflow:hidden;display:table}
.entry .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.5em 0}
.entry .table-scroll .ltc-table{margin:0}
.ltc-table thead th{background:var(--brand);color:#fff;font-weight:700;font-size:15px;text-align:left;padding:12px 14px;letter-spacing:-.01em}
.ltc-table td,.ltc-table th{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}
.ltc-table tbody tr:nth-child(even){background:var(--bg-soft)}
.ltc-table tbody tr:last-child td{border-bottom:none}

/* callout / quote */
.ltc-callout{background:var(--warn-wash);border:1px solid var(--warn-line);border-left:4px solid #d9a441;
  border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 20px;margin:1.6em 0;font-size:16px;color:var(--ink-soft)}
.ltc-callout strong{color:var(--brand-dark);display:inline-block;margin-right:6px}
.ltc-quote{margin:1.6em 0;padding:6px 0 6px 22px;border-left:4px solid var(--brand-2);
  font-size:18px;color:var(--ink);font-style:normal;line-height:1.7}

/* steps */
.ltc-steps{counter-reset:s;list-style:none;padding:0;margin:1.5em 0}
.ltc-steps li{counter-increment:s;position:relative;padding:12px 16px 12px 54px;margin:.5em 0;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:var(--r-md);font-size:16px}
.ltc-steps li::before{content:counter(s);position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center}

/* bar chart */
.ltc-bars{margin:1.6em 0;display:flex;flex-direction:column;gap:12px;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px}
.ltc-bar{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:14px}
.ltc-bar-label{font-size:14.5px;font-weight:700;color:var(--ink)}
.ltc-bar-track{height:14px;background:#e2e9f0;border-radius:var(--r-pill);overflow:hidden}
.ltc-bar-fill{display:block;height:100%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.ltc-bar-val{font-size:14px;font-weight:700;color:var(--brand-dark);white-space:nowrap}
@media (max-width:520px){.ltc-bar{grid-template-columns:84px 1fr auto;gap:10px}.ltc-bar-label{font-size:13px}}

/* sources */
.ltc-sources{margin:2.4em 0 0;padding:18px 22px;background:var(--bg-tint);border-radius:var(--r-md);border:1px solid var(--line)}
.ltc-sources strong{display:block;margin-bottom:8px;color:var(--brand-dark);font-size:15px}
.ltc-sources ul{margin:0;padding-left:1.1em}
.ltc-sources li{font-size:14.8px;margin:.3em 0}

/* notices */
.ai-notice{font-size:.85em;color:#888;margin-top:2em}
.legal-notice{font-size:.85em;color:#777;background:#f8f9fa;border-left:3px solid #cbd5e1;padding:10px 14px;margin-top:2em;border-radius:0 6px 6px 0}
.affiliate-notice{font-size:.9em;color:#666;background:#fffbea;border:1px solid #f6e05e;padding:8px 12px;border-radius:6px}

/* in-post TOC */
.ltc-toc{background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-md);padding:20px 24px;margin:0 0 2em;box-shadow:var(--shadow-sm)}
.ltc-toc__t{font-size:14px;font-weight:800;color:var(--brand-dark);letter-spacing:.02em;margin:0 0 10px}
.ltc-toc ol{margin:0;padding-left:1.3em;columns:1}
.ltc-toc li{margin:.28em 0;font-size:15px}
.ltc-toc a{color:var(--ink-soft);text-decoration:none;font-weight:600}
.ltc-toc a:hover{color:var(--brand)}

/* CTA block inside post */
.ltc-cta{margin:2.4em 0 .5em;padding:26px 24px;border-radius:var(--r-lg);background:linear-gradient(120deg,var(--brand-dark),var(--brand));
  color:#fff;text-align:center}
.ltc-cta h3{color:#fff;font-size:20px;margin:0 0 8px}
.ltc-cta p{color:rgba(255,255,255,.86);font-size:15px;margin:0 0 16px}
.ltc-cta .btn--ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.ltc-cta .btn--ghost:hover{background:rgba(255,255,255,.24);color:#fff}

/* =========================================================
   Card grids / listings
   ========================================================= */
.section{padding:var(--sp-7) 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:var(--maxw);margin:0 auto 40px;padding:0 20px;text-align:center}
.section-head .eyebrow{margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3.6vw,34px)}
.section-head p{color:var(--muted);max-width:600px;margin:12px auto 0}
.card-grid{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:grid;
  grid-template-columns:repeat(3,1fr);gap:26px}
@media (max-width:920px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:600px){.card-grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform var(--t-mid),box-shadow var(--t-mid)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-tint)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-mid)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card__cat{font-size:12.5px;font-weight:700;color:var(--brand-2-dark);letter-spacing:.02em;margin-bottom:9px}
.card__title{font-size:18px;font-weight:800;line-height:1.4;margin:0 0 10px;color:var(--ink)}
.card__title a{color:inherit}.card__title a:hover{color:var(--brand)}
.card__excerpt{font-size:14.6px;color:var(--muted);line-height:1.65;margin:0 0 16px;flex:1}
.card__more{font-size:14px;font-weight:700;color:var(--brand)}

.page-hero{background:linear-gradient(160deg,var(--brand-wash),#fff);padding:var(--sp-6) 0 var(--sp-5);border-bottom:1px solid var(--line)}
.page-hero .wrap{max-width:var(--readw)}
.page-hero h1{font-size:clamp(26px,4vw,38px);margin:.2em 0 .3em}
.page-hero p{color:var(--muted);font-size:17px;margin:0}

.pagination{max-width:var(--maxw);margin:40px auto 0;padding:0 20px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;min-width:44px;height:44px;align-items:center;justify-content:center;
  padding:0 12px;border:1px solid var(--line-strong);border-radius:10px;font-weight:700;color:var(--ink-soft);background:#fff}
.pagination .page-numbers.current{background:var(--brand);color:#fff;border-color:var(--brand)}
.pagination a.page-numbers:hover{background:var(--bg-tint)}

/* related */
.related{background:var(--bg-soft);border-top:1px solid var(--line);padding:var(--sp-6) 0;margin-top:var(--sp-6)}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{background:#12212f;color:#c3ced9;padding:var(--sp-6) 0 var(--sp-3);margin-top:var(--sp-6)}
.site-footer a{color:#c3ced9}
.site-footer a:hover{color:#fff}
.footer-top{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
@media (max-width:760px){.footer-top{grid-template-columns:1fr;gap:26px}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand img{width:40px;height:40px;border-radius:11px}
.footer-brand b{font-size:17px;color:#fff;letter-spacing:-.02em}
.footer-desc{font-size:14.5px;line-height:1.7;color:#93a2b1;max-width:360px}
.footer-col h4{color:#fff;font-size:14px;margin:0 0 14px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:.5em 0;font-size:14.5px}
.footer-legal{max-width:var(--maxw);margin:32px auto 0;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.6px;line-height:1.7;color:#7f8 e9c;color:#8090a0}
.footer-legal p{margin:.5em 0}
.footer-copy{max-width:var(--maxw);margin:16px auto 0;padding:0 20px;font-size:12.6px;color:#6f7f8f;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}