/* ==========================================================================
   yoyangcost.stofarm.com — Design System
   요양병원 비용정보 플랫폼 · Premium editorial design
   ========================================================================== */

:root{
  /* --- Color: primary 1, accent 1, neutrals 3 --- */
  --yc-primary:      #0F5C56;   /* deep teal — trust, medical calm */
  --yc-primary-600:  #0C4A45;
  --yc-primary-100:  #E6F1EF;
  --yc-accent:       #C08A3E;   /* warm gold — premium, CTA */
  --yc-accent-600:   #A5722D;
  --yc-ink:          #1C2321;   /* headings */
  --yc-body:         #4B5563;   /* body text */
  --yc-muted:        #7C8B87;
  --yc-bg:           #FFFFFF;
  --yc-bg-soft:      #F6F5F1;
  --yc-bg-warm:      #FBF9F4;
  --yc-border:       #E3E1D8;
  --yc-white:        #FFFFFF;

  /* --- Spacing (8pt scale) --- */
  --sp-1: 8px;  --sp-2: 16px; --sp-3: 24px; --sp-4: 32px;
  --sp-5: 40px; --sp-6: 48px; --sp-7: 64px; --sp-8: 80px;
  --sp-9: 96px; --sp-10: 120px; --sp-11: 140px;

  /* --- Radius / Shadow --- */
  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-pill: 999px;
  --sh-sm: 0 1px 3px rgba(28,35,33,.06), 0 1px 2px rgba(28,35,33,.04);
  --sh-md: 0 8px 24px rgba(28,35,33,.08);
  --sh-lg: 0 24px 60px rgba(15,92,86,.14);

  /* --- Type --- */
  --font-base: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  --font-serif: 'Noto Serif KR', serif;

  --transition-fast: 180ms cubic-bezier(.4,0,.2,1);
  --transition-med: 260ms cubic-bezier(.4,0,.2,1);
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; font-family:var(--font-base); color:var(--yc-body);
  background:var(--yc-bg); font-size:16px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }
:focus-visible{ outline:3px solid var(--yc-accent); outline-offset:2px; border-radius:4px; }

h1,h2,h3,h4{ color:var(--yc-ink); font-weight:700; line-height:1.35; letter-spacing:-0.01em; margin:0 0 var(--sp-2); }
h1{ font-size:clamp(32px,5vw,52px); line-height:1.25; letter-spacing:-0.02em; }
h2{ font-size:clamp(24px,3.4vw,34px); }
h3{ font-size:clamp(19px,2.4vw,22px); }
p{ margin:0 0 var(--sp-2); }

.yc-container{ max-width:1160px; margin:0 auto; padding:0 var(--sp-3); }
.yc-container--narrow{ max-width:820px; }

.yc-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; letter-spacing:.06em; color:var(--yc-primary);
  background:var(--yc-primary-100); padding:6px 14px; border-radius:var(--r-pill);
  margin-bottom:var(--sp-2);
}

/* ---------------- Header ---------------- */
.yc-header{
  position:sticky; top:0; z-index:100; background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px); border-bottom:1px solid var(--yc-border);
}
.yc-header-inner{ display:flex; align-items:center; justify-content:space-between; gap:var(--sp-3); padding:14px var(--sp-3); max-width:1160px; margin:0 auto; }
.yc-logo{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:19px; color:var(--yc-ink); }
.yc-logo img{ width:34px; height:34px; border-radius:9px; }
.yc-nav{ display:flex; align-items:center; gap:var(--sp-4); }
.yc-nav a{ font-size:15px; font-weight:500; color:var(--yc-body); padding:8px 2px; position:relative; transition:color var(--transition-fast); }
.yc-nav a:hover{ color:var(--yc-primary); }
.yc-nav a::after{ content:''; position:absolute; left:0; right:0; bottom:2px; height:2px; background:var(--yc-primary); transform:scaleX(0); transition:transform var(--transition-fast); }
.yc-nav a:hover::after{ transform:scaleX(1); }
.yc-header-cta{ display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:0 22px; background:var(--yc-primary); color:#fff; border-radius:var(--r-pill); font-weight:600; font-size:14.5px; transition:background var(--transition-fast), transform var(--transition-fast); white-space:nowrap; }
.yc-header-cta:hover{ background:var(--yc-primary-600); transform:translateY(-1px); }
.yc-burger{ display:none; }

@media (max-width:880px){
  .yc-nav{ display:none; }
  .yc-burger{ display:inline-flex; width:44px; height:44px; align-items:center; justify-content:center; border:1px solid var(--yc-border); border-radius:10px; background:#fff; }
}

/* ---------------- Hero ---------------- */
.yc-hero{ position:relative; padding:var(--sp-9) 0 var(--sp-8); background:linear-gradient(180deg,var(--yc-bg-warm) 0%,#fff 100%); overflow:hidden; }
.yc-hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:var(--sp-7); align-items:center; }
.yc-hero h1{ margin-bottom:var(--sp-3); }
.yc-hero h1 .accent{ color:var(--yc-primary); }
.yc-hero-lead{ font-size:18px; line-height:1.75; color:var(--yc-body); max-width:56ch; margin-bottom:var(--sp-4); }
.yc-hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:var(--sp-5); }
.yc-btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:48px; padding:0 26px; border-radius:var(--r-pill); font-weight:700; font-size:15.5px; transition:all var(--transition-fast); border:1px solid transparent; cursor:pointer; }
.yc-btn--primary{ background:var(--yc-primary); color:#fff; box-shadow:var(--sh-sm); }
.yc-btn--primary:hover{ background:var(--yc-primary-600); transform:translateY(-2px); box-shadow:var(--sh-md); }
.yc-btn--ghost{ background:#fff; color:var(--yc-ink); border-color:var(--yc-border); }
.yc-btn--ghost:hover{ border-color:var(--yc-primary); color:var(--yc-primary); }
.yc-hero-media{ position:relative; border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--sh-lg); aspect-ratio:4/3; }
.yc-hero-media img{ width:100%; height:100%; object-fit:cover; }
.yc-hero-media::after{ content:''; position:absolute; inset:0; background:linear-gradient(180deg,rgba(15,92,86,0) 40%,rgba(15,35,33,.55) 100%); }
.yc-hero-media-caption{ position:absolute; left:20px; right:20px; bottom:18px; color:#fff; font-size:14px; font-weight:500; z-index:2; }

.yc-trust-strip{ margin-top:var(--sp-8); display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-3); }
.yc-trust-item{ background:#fff; border:1px solid var(--yc-border); border-radius:var(--r-md); padding:var(--sp-3); text-align:left; box-shadow:var(--sh-sm); }
.yc-trust-num{ font-size:26px; font-weight:800; color:var(--yc-primary); letter-spacing:-0.02em; }
.yc-trust-label{ font-size:13.5px; color:var(--yc-muted); margin-top:4px; }

/* ---------------- Section base ---------------- */
.yc-section{ padding:var(--sp-10) 0; }
.yc-section--soft{ background:var(--yc-bg-soft); }
.yc-section-head{ max-width:640px; margin:0 auto var(--sp-6); text-align:center; }
.yc-section-head p{ color:var(--yc-muted); font-size:16.5px; }

/* ---------------- Region search widget ---------------- */
.yc-search-panel{ background:#fff; border:1px solid var(--yc-border); border-radius:var(--r-lg); box-shadow:var(--sh-md); padding:var(--sp-5); }
.yc-search-row{ display:grid; grid-template-columns:1fr 1fr 1fr auto; gap:14px; }
.yc-field{ display:flex; flex-direction:column; gap:6px; }
.yc-field label{ font-size:13px; font-weight:600; color:var(--yc-ink); }
.yc-field select,.yc-field input{ min-height:48px; border:1px solid var(--yc-border); border-radius:var(--r-sm); padding:0 14px; font-size:15px; background:#fff; color:var(--yc-ink); font-family:inherit; }
.yc-field select:focus,.yc-field input:focus{ border-color:var(--yc-primary); }
.yc-search-btn{ min-height:48px; margin-top:auto; }
.yc-search-hint{ margin-top:12px; font-size:13px; color:var(--yc-muted); }
.yc-results{ margin-top:var(--sp-4); display:grid; gap:12px; }
.yc-result-card{ display:flex; justify-content:space-between; align-items:center; gap:16px; background:var(--yc-bg-warm); border:1px solid var(--yc-border); border-radius:var(--r-md); padding:16px 18px; flex-wrap:wrap; }
.yc-result-name{ font-weight:700; color:var(--yc-ink); font-size:16px; }
.yc-result-meta{ font-size:13.5px; color:var(--yc-muted); margin-top:3px; }
.yc-result-badge{ font-size:12.5px; font-weight:700; color:var(--yc-primary); background:var(--yc-primary-100); padding:5px 12px; border-radius:var(--r-pill); white-space:nowrap; }
.yc-empty,.yc-loading,.yc-error{ padding:var(--sp-4); text-align:center; color:var(--yc-muted); font-size:14.5px; }

/* ---------------- Feature split ---------------- */
.yc-feature{ display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-7); align-items:center; margin-bottom:var(--sp-9); }
.yc-feature:last-child{ margin-bottom:0; }
.yc-feature.reverse .yc-feature-media{ order:2; }
.yc-feature.reverse .yc-feature-copy{ order:1; }
.yc-feature-media{ border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--sh-md); aspect-ratio:4/3; }
.yc-feature-media img{ width:100%; height:100%; object-fit:cover; transition:transform var(--transition-med); }
.yc-feature-media:hover img{ transform:scale(1.03); }
.yc-feature-copy ul{ margin:var(--sp-3) 0 0; padding:0; list-style:none; display:grid; gap:10px; }
.yc-feature-copy li{ display:flex; gap:10px; font-size:15px; color:var(--yc-body); }
.yc-feature-copy li::before{ content:'✓'; color:var(--yc-primary); font-weight:800; flex:none; }

/* ---------------- Carousel ---------------- */
.yc-carousel{ display:flex; gap:var(--sp-3); overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:8px; -webkit-overflow-scrolling:touch; }
.yc-carousel::-webkit-scrollbar{ height:6px; }
.yc-carousel::-webkit-scrollbar-thumb{ background:var(--yc-border); border-radius:99px; }
.yc-carousel-item{ flex:0 0 auto; width:320px; scroll-snap-align:start; border-radius:var(--r-lg); overflow:hidden; position:relative; box-shadow:var(--sh-sm); aspect-ratio:4/5; }
.yc-carousel-item img{ width:100%; height:100%; object-fit:cover; transition:transform var(--transition-med); }
.yc-carousel-item:hover img{ transform:scale(1.05); }
.yc-carousel-cap{ position:absolute; left:0; right:0; bottom:0; padding:20px 18px; background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(13,25,23,.78) 100%); color:#fff; }
.yc-carousel-cap b{ display:block; font-size:16px; margin-bottom:2px; }
.yc-carousel-cap span{ font-size:12.5px; opacity:.85; }

/* ---------------- Posts grid ---------------- */
.yc-tabs{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-bottom:var(--sp-5); }
.yc-tab{ padding:9px 18px; border-radius:var(--r-pill); border:1px solid var(--yc-border); font-size:14px; font-weight:600; color:var(--yc-body); background:#fff; }
.yc-tab.is-active{ background:var(--yc-primary); border-color:var(--yc-primary); color:#fff; }
.yc-post-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-4); }
.yc-post-card{ background:#fff; border:1px solid var(--yc-border); border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--sh-sm); transition:transform var(--transition-med), box-shadow var(--transition-med); display:flex; flex-direction:column; }
.yc-post-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-md); }
.yc-post-thumb{ aspect-ratio:16/10; overflow:hidden; background:var(--yc-bg-soft); }
.yc-post-thumb img{ width:100%; height:100%; object-fit:cover; }
.yc-post-body{ padding:18px 20px 22px; display:flex; flex-direction:column; gap:8px; flex:1; }
.yc-post-cat{ font-size:12px; font-weight:700; color:var(--yc-primary); }
.yc-post-title{ font-size:17px; font-weight:700; color:var(--yc-ink); line-height:1.45; }
.yc-post-excerpt{ font-size:14px; color:var(--yc-muted); line-height:1.6; flex:1; }
.yc-post-meta{ font-size:12.5px; color:var(--yc-muted); margin-top:4px; }

/* ---------------- CTA band ---------------- */
.yc-cta-band{ background:linear-gradient(135deg,var(--yc-primary) 0%,var(--yc-primary-600) 100%); border-radius:var(--r-lg); padding:var(--sp-7) var(--sp-6); text-align:center; color:#fff; }
.yc-cta-band h2{ color:#fff; }
.yc-cta-band p{ color:rgba(255,255,255,.85); max-width:560px; margin:0 auto var(--sp-3); }
.yc-cta-band .yc-btn--primary{ background:#fff; color:var(--yc-primary-600); }
.yc-cta-band .yc-btn--primary:hover{ background:var(--yc-bg-warm); }

/* ---------------- Footer ---------------- */
.yc-footer{ background:#14201D; color:#C9D3D0; padding:var(--sp-8) 0 var(--sp-5); }
.yc-footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:var(--sp-6); padding-bottom:var(--sp-5); border-bottom:1px solid rgba(255,255,255,.1); }
.yc-footer-brand{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:18px; color:#fff; margin-bottom:12px; }
.yc-footer-brand img{ width:28px; height:28px; border-radius:7px; }
.yc-footer p{ font-size:13.5px; line-height:1.75; color:#9CADA8; }
.yc-footer h4{ color:#fff; font-size:14px; margin-bottom:14px; }
.yc-footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.yc-footer a{ font-size:14px; color:#C9D3D0; transition:color var(--transition-fast); }
.yc-footer a:hover{ color:#fff; }
.yc-footer-bottom{ padding-top:var(--sp-4); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12.5px; color:#7E9187; }
.yc-legal-notice{ margin-top:var(--sp-4); padding:16px 18px; background:rgba(255,255,255,.04); border-left:3px solid rgba(255,255,255,.2); border-radius:0 10px 10px 0; font-size:12.5px; line-height:1.8; color:#93A49F; }
.yc-legal-notice p{ margin:3px 0; font-size:inherit; color:inherit; }

@media (max-width:960px){
  .yc-hero-grid{ grid-template-columns:1fr; }
  .yc-hero-media{ order:-1; aspect-ratio:16/10; }
  .yc-trust-strip{ grid-template-columns:repeat(2,1fr); }
  .yc-search-row{ grid-template-columns:1fr 1fr; }
  .yc-search-btn{ grid-column:1/-1; }
  .yc-feature{ grid-template-columns:1fr; }
  .yc-feature.reverse .yc-feature-media{ order:1; } .yc-feature.reverse .yc-feature-copy{ order:2; }
  .yc-post-grid{ grid-template-columns:repeat(2,1fr); }
  .yc-footer-grid{ grid-template-columns:1fr; }
}
@media (max-width:600px){
  .yc-section{ padding:var(--sp-7) 0; }
  .yc-hero{ padding:var(--sp-7) 0 var(--sp-6); }
  .yc-trust-strip{ grid-template-columns:1fr 1fr; }
  .yc-search-row{ grid-template-columns:1fr; }
  .yc-post-grid{ grid-template-columns:1fr; }
  .yc-carousel-item{ width:78vw; }
  .yc-header-cta span{ display:none; }
}

/* ==========================================================================
   Article (single post) & Page styles — shared with theme templates
   ========================================================================== */
.yc-article-header{ padding:var(--sp-7) 0 var(--sp-4); background:var(--yc-bg-warm); border-bottom:1px solid var(--yc-border); }
.yc-breadcrumb{ font-size:13px; color:var(--yc-muted); margin-bottom:var(--sp-2); }
.yc-breadcrumb a{ color:var(--yc-muted); } .yc-breadcrumb a:hover{ color:var(--yc-primary); }
.yc-article-title{ max-width:820px; }
.yc-article-meta{ display:flex; gap:16px; flex-wrap:wrap; color:var(--yc-muted); font-size:13.5px; margin-top:var(--sp-2); }
.yc-article-thumb{ max-width:820px; margin:0 auto; }
.yc-article-thumb img{ width:100%; border-radius:var(--r-lg); margin-top:var(--sp-4); box-shadow:var(--sh-md); aspect-ratio:16/9; object-fit:cover; }

.yc-article-wrap{ display:grid; grid-template-columns:220px 1fr; gap:var(--sp-6); max-width:1080px; margin:var(--sp-7) auto; padding:0 var(--sp-3); align-items:start; }
.yc-toc{ position:sticky; top:88px; background:var(--yc-bg-soft); border:1px solid var(--yc-border); border-radius:var(--r-md); padding:18px; }
.yc-toc h4{ font-size:13px; margin:0 0 10px; color:var(--yc-ink); }
.yc-toc ol{ margin:0; padding-left:18px; display:grid; gap:8px; font-size:13.5px; }
.yc-toc a{ color:var(--yc-body); } .yc-toc a:hover{ color:var(--yc-primary); }

.yc-article-body{ max-width:760px; font-size:17px; line-height:1.8; color:var(--yc-body); }
.yc-article-body h2{ margin-top:var(--sp-6); padding-top:var(--sp-2); border-top:1px solid var(--yc-border); font-size:24px; }
.yc-article-body h2:first-child{ border-top:none; padding-top:0; margin-top:0; }
.yc-article-body h3{ margin-top:var(--sp-4); color:var(--yc-primary-600); }
.yc-article-body p{ margin:0 0 var(--sp-3); }
.yc-article-body ul,.yc-article-body ol{ margin:0 0 var(--sp-3); padding-left:22px; display:grid; gap:8px; }
.yc-article-body img{ border-radius:var(--r-md); margin:var(--sp-3) 0; box-shadow:var(--sh-sm); }
.yc-article-body figure{ margin:var(--sp-4) 0; }
.yc-article-body figcaption{ font-size:13px; color:var(--yc-muted); margin-top:8px; text-align:center; }
.yc-article-body blockquote{ margin:var(--sp-4) 0; padding:18px 22px; background:var(--yc-primary-100); border-left:4px solid var(--yc-primary); border-radius:0 var(--r-md) var(--r-md) 0; font-size:16px; color:var(--yc-primary-600); font-weight:500; }
.yc-article-body table{ width:100%; border-collapse:collapse; margin:var(--sp-4) 0; font-size:14.5px; border-radius:var(--r-md); overflow:hidden; box-shadow:var(--sh-sm); }
.yc-article-body table caption{ text-align:left; font-size:13px; color:var(--yc-muted); margin-bottom:8px; caption-side:top; }
.yc-article-body th{ background:var(--yc-primary); color:#fff; text-align:left; padding:12px 14px; font-weight:700; }
.yc-article-body td{ padding:12px 14px; border-bottom:1px solid var(--yc-border); background:#fff; }
.yc-article-body tr:last-child td{ border-bottom:none; }
.yc-article-body tr:nth-child(even) td{ background:var(--yc-bg-soft); }
@media (max-width:640px){ .yc-article-body table{ display:block; overflow-x:auto; white-space:nowrap; } }

.yc-callout{ margin:var(--sp-4) 0; padding:18px 20px; border-radius:var(--r-md); background:#FFF8EA; border:1px solid #F0DDAF; font-size:15px; }
.yc-callout b{ color:var(--yc-accent-600); }

.yc-faq{ margin:var(--sp-4) 0; display:grid; gap:10px; }
.yc-faq-item{ border:1px solid var(--yc-border); border-radius:var(--r-md); padding:16px 18px; background:#fff; }
.yc-faq-item summary{ cursor:pointer; font-weight:700; color:var(--yc-ink); list-style:none; display:flex; justify-content:space-between; align-items:center; gap:12px; }
.yc-faq-item summary::-webkit-details-marker{ display:none; }
.yc-faq-item summary::after{ content:'+'; font-size:20px; color:var(--yc-primary); transition:transform var(--transition-fast); }
.yc-faq-item[open] summary::after{ transform:rotate(45deg); }
.yc-faq-item p{ margin-top:10px; color:var(--yc-body); font-size:15px; }

.yc-bar-chart{ margin:var(--sp-4) 0; display:grid; gap:12px; }
.yc-bar-row{ display:grid; grid-template-columns:140px 1fr 90px; align-items:center; gap:12px; font-size:13.5px; }
.yc-bar-track{ background:var(--yc-bg-soft); border-radius:99px; height:14px; overflow:hidden; }
.yc-bar-fill{ height:100%; background:linear-gradient(90deg,var(--yc-primary),var(--yc-accent)); border-radius:99px; }

.yc-tag-row{ display:flex; gap:8px; flex-wrap:wrap; margin:var(--sp-4) 0; }
.yc-tag{ font-size:12.5px; padding:6px 12px; border-radius:99px; background:var(--yc-bg-soft); color:var(--yc-muted); }

.ai-notice,.legal-notice{ max-width:760px; margin-left:auto; margin-right:auto; }
.affiliate-notice{ max-width:760px; margin:0 auto var(--sp-3); }

.yc-related{ background:var(--yc-bg-soft); padding:var(--sp-7) 0; margin-top:var(--sp-8); }
.yc-related .yc-container{ max-width:1080px; }
.yc-related h3{ text-align:center; margin-bottom:var(--sp-4); }

.yc-page-body{ max-width:760px; margin:var(--sp-7) auto; padding:0 var(--sp-3); font-size:16.5px; line-height:1.8; color:var(--yc-body); }
.yc-page-body h2{ margin-top:var(--sp-5); font-size:22px; color:var(--yc-ink); }
.yc-page-body h3{ margin-top:var(--sp-3); font-size:18px; color:var(--yc-primary-600); }
.yc-page-body table{ width:100%; border-collapse:collapse; margin:var(--sp-3) 0; font-size:14px; }
.yc-page-body th,.yc-page-body td{ border:1px solid var(--yc-border); padding:10px 12px; text-align:left; }
.yc-page-body th{ background:var(--yc-bg-soft); }

/* Easy Table of Contents 플러그인 기본 박스는 자체 TOC 사이드바(.yc-toc)와 중복되므로 숨김 */
.ez-toc-container,.ez-toc-v2_0_45,.ez-toc-container-direction{ display:none !important; }

/* generic utility */
.yc-visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }