/*
Theme Name: Probiguard
Theme URI: https://probiguard.onterbio.com/
Description: 유산균 비교 노트 — 프로바이오틱스유산균 정보 아카이브 전용 디자인 시스템.
Author: 유산균 비교 노트
Version: 1.0.0
Text Domain: probiguard
*/

/* =========================================================
   DESIGN TOKENS
   ========================================================= */
:root{
  --c-primary:#2e7d5b;
  --c-primary-dark:#1f5a41;
  --c-primary-soft:#eaf5ef;
  --c-primary-tint:#f6faf7;
  --c-accent:#c98a2b;           /* 절제된 웜 보조색 (곡물/발효 톤) */
  --c-ink:#17251f;
  --c-body:#3b4a43;
  --c-muted:#6a7c73;
  --c-line:#e3ebe6;
  --c-line-soft:#eef3f0;
  --c-bg:#ffffff;
  --c-bg-soft:#f6f9f7;
  --c-bg-panel:#ffffff;

  --r-xs:8px; --r-sm:12px; --r:16px; --r-lg:22px; --r-pill:999px;

  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:40px;
  --sp-6:48px; --sp-8:64px; --sp-10:80px; --sp-12:96px; --sp-14:112px;

  --shadow-sm:0 1px 2px rgba(23,37,31,.06), 0 2px 8px rgba(23,37,31,.05);
  --shadow:0 6px 24px rgba(23,37,31,.08);
  --shadow-lg:0 18px 48px rgba(23,37,31,.12);

  --container:1120px;
  --measure:760px;

  --font-sans:'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,system-ui,'Segoe UI',Roboto,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;
  --font-serif:'Noto Serif KR',serif;

  --t-fast:150ms; --t:220ms; --t-slow:320ms;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* =========================================================
   RESET / BASE
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary-dark);text-decoration:none;transition:color var(--t-fast) var(--ease)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{color:var(--c-ink);line-height:1.32;letter-spacing:-.02em;font-weight:700}
:focus-visible{outline:3px solid rgba(46,125,91,.45);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-primary-soft);color:var(--c-primary-dark)}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font-serif);font-size:.86rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--c-primary);margin:0 0 12px}

/* =========================================================
   HEADER / NAV  (shared)
   ========================================================= */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--c-line)}
.site-header .bar{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand img{width:38px;height:38px;border-radius:10px}
.brand .bt{display:flex;flex-direction:column;line-height:1.15}
.brand .bt b{font-size:1.06rem;color:var(--c-ink);font-weight:700;letter-spacing:-.02em}
.brand .bt span{font-size:.72rem;color:var(--c-muted);letter-spacing:.02em}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{padding:9px 14px;border-radius:var(--r-pill);color:var(--c-body);font-size:.95rem;font-weight:500}
.nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:11px;width:22px;height:2px;background:var(--c-ink);border-radius:2px;transition:var(--t)}
.nav-toggle span{top:21px}.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}

@media(max-width:860px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--c-line);padding:12px 16px;box-shadow:var(--shadow);transform:translateY(-8px);opacity:0;pointer-events:none;transition:var(--t)}
  .nav.open{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:14px 12px;border-radius:12px}
}

/* =========================================================
   FOOTER  (shared)
   ========================================================= */
.site-footer{margin-top:var(--sp-12);background:#122019;color:#c9d6cf}
.site-footer .container{padding-top:var(--sp-8);padding-bottom:var(--sp-6)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .fbrand img{width:36px;height:36px;border-radius:10px}
.site-footer .fbrand b{color:#fff;font-size:1.05rem}
.site-footer p{margin:.4em 0;font-size:.92rem;line-height:1.7;color:#a9bbb1}
.site-footer h4{color:#fff;font-size:.95rem;margin:0 0 14px;letter-spacing:.02em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:8px 0}
.site-footer a{color:#c9d6cf;font-size:.92rem}
.site-footer a:hover{color:#fff}
.legal-notice-footer{margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;line-height:1.6;color:#93a69c}
.legal-notice-footer p{color:#93a69c;font-size:14px;margin:.5em 0}
.copyright{margin-top:18px;font-size:.85rem;color:#7f9389}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:28px}}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:var(--r-pill);font-weight:600;font-size:.98rem;line-height:1;transition:var(--t) var(--ease);cursor:pointer;border:1px solid transparent;min-height:44px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(46,125,91,.28)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(46,125,91,.34)}
.btn-ghost{background:#fff;color:var(--c-primary-dark);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-tint)}

/* =========================================================
   ARTICLE / SINGLE
   ========================================================= */
.article-wrap{padding:var(--sp-8) 0 var(--sp-10)}
.article{max-width:var(--measure);margin:0 auto}
.crumbs{font-size:.85rem;color:var(--c-muted);margin-bottom:18px}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.article .cat-chip{display:inline-block;background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:.8rem;font-weight:600;padding:5px 13px;border-radius:var(--r-pill);margin-bottom:16px}
.article h1{font-size:2.25rem;line-height:1.28;margin:0 0 16px}
.article .meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--c-muted);font-size:.9rem;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--c-line)}
.article .hero-img{border-radius:var(--r-lg);overflow:hidden;margin:0 0 var(--sp-4);box-shadow:var(--shadow);aspect-ratio:16/9}
.article .hero-img img{width:100%;height:100%;object-fit:cover}

.article-body{font-size:17px;line-height:1.85;color:var(--c-body)}
.article-body>h2{font-size:1.5rem;margin:var(--sp-6) 0 var(--sp-2);padding-top:8px;position:relative}
.article-body>h2::before{content:"";display:block;width:44px;height:4px;border-radius:4px;background:var(--c-primary);margin-bottom:14px}
.article-body>h3{font-size:1.18rem;margin:var(--sp-4) 0 var(--sp-1);color:var(--c-primary-dark)}
.article-body p{margin:0 0 1.15em}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(46,125,91,.4)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em}
.article-body li{margin:.4em 0;padding-left:4px}
.article-body ul li::marker{color:var(--c-primary)}
.article-body figure{margin:var(--sp-4) 0}
.article-body figure img{border-radius:var(--r);box-shadow:var(--shadow-sm);width:100%}
.article-body figcaption{font-size:.85rem;color:var(--c-muted);text-align:center;margin-top:10px}

/* callout / blockquote */
.callout{background:var(--c-primary-tint);border:1px solid var(--c-line);border-left:4px solid var(--c-primary);border-radius:0 var(--r) var(--r) 0;padding:20px 24px;margin:var(--sp-4) 0}
.callout .ct{font-weight:700;color:var(--c-primary-dark);margin:0 0 6px;font-size:1.02rem}
.callout p{margin:.3em 0}
blockquote{margin:var(--sp-4) 0;padding:18px 24px;border-left:4px solid var(--c-accent);background:#fdf8ef;border-radius:0 var(--r) var(--r) 0;color:var(--c-ink);font-style:normal}
blockquote p{margin:.2em 0}

/* tables */
.tbl-wrap{overflow-x:auto;margin:var(--sp-4) 0;border-radius:var(--r);border:1px solid var(--c-line);box-shadow:var(--shadow-sm)}
table.pg{border-collapse:collapse;width:100%;min-width:460px;font-size:.95rem;background:#fff}
table.pg caption{caption-side:top;text-align:left;font-weight:700;color:var(--c-ink);padding:14px 16px 4px;font-size:1rem}
table.pg th,table.pg td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--c-line-soft);vertical-align:top}
table.pg thead th{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:700;border-bottom:1px solid var(--c-line)}
table.pg tbody tr:nth-child(even){background:var(--c-bg-soft)}
table.pg tbody tr:last-child td{border-bottom:none}

/* summary box */
.summary-box{background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r);padding:22px 24px;margin:0 0 var(--sp-4)}
.summary-box .st{font-family:var(--font-serif);font-weight:700;color:var(--c-primary-dark);margin:0 0 10px;font-size:1.05rem}
.summary-box ul{margin:0;padding-left:1.15em}
.summary-box li{margin:.35em 0}

/* inline CSS chart (bars) */
.chart{margin:var(--sp-4) 0;padding:22px 24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.chart .chart-t{font-weight:700;color:var(--c-ink);margin:0 0 4px;font-size:1rem}
.chart .chart-s{font-size:.82rem;color:var(--c-muted);margin:0 0 16px}
.bar-row{display:grid;grid-template-columns:130px 1fr;align-items:center;gap:14px;margin:11px 0}
.bar-row .bl{font-size:.9rem;color:var(--c-body);font-weight:500}
.bar-track{background:var(--c-line-soft);border-radius:var(--r-pill);height:26px;position:relative;overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),#4aa27a);display:flex;align-items:center;justify-content:flex-end;padding-right:10px;color:#fff;font-size:.78rem;font-weight:600;transition:width var(--t-slow) var(--ease)}
.bar-fill.alt{background:linear-gradient(90deg,var(--c-accent),#e0a94f)}
@media(max-width:520px){.bar-row{grid-template-columns:96px 1fr;gap:10px}}

/* steps / timeline */
.steps{counter-reset:st;margin:var(--sp-4) 0;padding:0;list-style:none}
.steps li{position:relative;padding:2px 0 18px 52px;counter-increment:st}
.steps li::before{content:counter(st);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;background:var(--c-primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.steps li:not(:last-child)::after{content:"";position:absolute;left:16px;top:34px;bottom:0;width:2px;background:var(--c-line)}
.steps li b{display:block;color:var(--c-ink);margin-bottom:2px}

/* TOC */
.toc{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:20px 24px;margin:0 0 var(--sp-5);box-shadow:var(--shadow-sm)}
.toc .toc-t{font-weight:700;color:var(--c-ink);margin:0 0 12px;font-size:1rem;display:flex;align-items:center;gap:8px}
.toc .toc-t::before{content:"";width:16px;height:16px;border-radius:4px;background:var(--c-primary);display:inline-block}
.toc ol{margin:0;padding-left:1.2em;counter-reset:toc}
.toc li{margin:.42em 0;font-size:.95rem}
.toc a{color:var(--c-body)}
.toc a:hover{color:var(--c-primary)}

/* notices */
.ai-notice{font-size:0.85em;color:#888;margin-top:2em}
.legal-notice{font-size:0.85em;color:#777;background:#f8f9fa;border-left:3px solid #cbd5e1;padding:10px 14px;margin-top:2em;border-radius:0 6px 6px 0}
.legal-notice p{margin:4px 0}

/* related */
.related{margin-top:var(--sp-8);border-top:1px solid var(--c-line);padding-top:var(--sp-5)}
.related h2{font-size:1.35rem;margin:0 0 var(--sp-3)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden;transition:var(--t) var(--ease);display:flex;flex-direction:column}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c-primary-soft)}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-soft)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.05)}
.rel-card .rc-body{padding:16px 18px}
.rel-card .rc-cat{font-size:.75rem;color:var(--c-primary);font-weight:600}
.rel-card h3{font-size:1.02rem;margin:6px 0 0;color:var(--c-ink);line-height:1.4}
@media(max-width:760px){.rel-grid{grid-template-columns:1fr}}

/* =========================================================
   ARCHIVE / LIST
   ========================================================= */
.page-head{background:var(--c-primary-tint);border-bottom:1px solid var(--c-line);padding:var(--sp-8) 0}
.page-head h1{font-size:2rem;margin:0}
.page-head p{color:var(--c-muted);margin:10px 0 0;max-width:640px}
.archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:var(--sp-8) 0 var(--sp-10)}
@media(max-width:900px){.archive-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.archive-grid{grid-template-columns:1fr}}

/* =========================================================
   PAGE (static)
   ========================================================= */
.page-wrap{padding:var(--sp-8) 0 var(--sp-10)}
.page-body{max-width:var(--measure);margin:0 auto;font-size:17px;line-height:1.85}
.page-body h2{font-size:1.4rem;margin:var(--sp-5) 0 var(--sp-2)}
.page-body h3{font-size:1.12rem;margin:var(--sp-3) 0 var(--sp-1);color:var(--c-primary-dark)}
.page-body p{margin:0 0 1.1em}
.page-body ul,.page-body ol{margin:0 0 1.2em;padding-left:1.3em}
.page-body li{margin:.35em 0}

/* motion */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media(max-width:640px){
  .article h1{font-size:1.7rem}
  body{font-size:16px}
  .article-body{font-size:16px}
}