/*
Theme Name: 실내공기질관리 Child
Template: twentytwentyfive
Version: 1.0.0
*/

:root{
  --font-sans:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  --font-serif:'Noto Serif KR',serif;

  --c-primary:#1F6F5C;
  --c-primary-dark:#134438;
  --c-primary-light:#E7F3EF;
  --c-accent:#4FB6A8;
  --c-ink:#161B1A;
  --c-body:#3D4744;
  --c-muted:#6E7876;
  --c-border:#E4E9E7;
  --c-border-soft:#EEF2F0;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F9F8;
  --c-warn-bg:#FFFBEA;
  --c-warn-border:#F6E05E;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:24px;
  --radius-pill:999px;

  --shadow-sm:0 1px 2px rgba(20,24,27,.05),0 1px 1px rgba(20,24,27,.04);
  --shadow-md:0 12px 28px rgba(20,24,27,.08);
  --shadow-lg:0 24px 64px rgba(20,24,27,.14);

  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px; --sp-8:128px;

  --container:1180px;
  --content-w:760px;

  --dur:220ms;
  --ease:cubic-bezier(.4,0,.2,1);
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--c-body);
  background:var(--c-bg);
  font-size:16px;
  line-height:1.7;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ padding-left:1.2em; }
button{ font-family:inherit; }

:focus-visible{
  outline:3px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}

h1,h2,h3,h4{
  color:var(--c-ink);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-0.02em;
  margin:0 0 var(--sp-2);
}
h1{ font-size:clamp(2rem,4vw,3.2rem); line-height:1.25; }
h2{ font-size:clamp(1.5rem,2.6vw,2rem); }
h3{ font-size:clamp(1.15rem,1.8vw,1.4rem); }
p{ margin:0 0 var(--sp-2); }

.container{ max-width:var(--container); margin:0 auto; padding:0 var(--sp-3); }

/* ============ Header ============ */
.site-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(--c-border-soft);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:var(--sp-3); }
.site-logo{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.15rem; color:var(--c-ink); white-space:nowrap; }
.site-logo img{ height:32px; width:auto; border-radius:6px; }
.site-logo .brand-badge{ display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border-radius:10px; background:var(--c-primary); color:#fff; font-size:16px; }

.primary-nav{ display:flex; align-items:center; gap:var(--sp-4); }
.primary-nav ul{ display:flex; list-style:none; margin:0; padding:0; gap:var(--sp-4); }
.primary-nav a{
  font-size:.95rem; font-weight:600; color:var(--c-body);
  padding:8px 2px; position:relative; transition:color var(--dur) var(--ease);
}
.primary-nav a:hover{ color:var(--c-primary); }
.primary-nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--c-primary);
  transform:scaleX(0); transform-origin:left; transition:transform var(--dur) var(--ease);
}
.primary-nav a:hover::after{ transform:scaleX(1); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:var(--radius-pill);
  font-weight:700; font-size:.95rem; min-height:44px;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
  border:1px solid transparent; cursor:pointer;
}
.btn-primary{ background:var(--c-primary); color:#fff; box-shadow:var(--shadow-sm); }
.btn-primary:hover{ background:var(--c-primary-dark); box-shadow:var(--shadow-md); transform:translateY(-1px); }
.btn-outline{ background:transparent; color:var(--c-primary); border-color:var(--c-primary); }
.btn-outline:hover{ background:var(--c-primary-light); }
.btn-ghost{ background:var(--c-bg-soft); color:var(--c-ink); }
.btn-ghost:hover{ background:var(--c-border-soft); }
.btn-sm{ padding:9px 16px; font-size:.85rem; min-height:36px; }

.nav-toggle{
  display:none; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:var(--radius-md); border:1px solid var(--c-border);
  background:var(--c-bg); color:var(--c-ink); cursor:pointer; flex-shrink:0;
}

/* ============ Hero ============ */
.hero{ position:relative; overflow:hidden; background:var(--c-bg-soft); }
.hero .container{
  display:grid; grid-template-columns:1.05fr .95fr; gap:var(--sp-6);
  align-items:center; padding-top:var(--sp-7); padding-bottom:var(--sp-7);
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--c-primary-light); color:var(--c-primary-dark);
  font-size:.8rem; font-weight:700; padding:7px 14px; border-radius:var(--radius-pill);
  margin-bottom:var(--sp-2);
}
.hero h1{ margin-bottom:var(--sp-2); }
.hero-lead{ font-size:1.1rem; color:var(--c-muted); max-width:52ch; margin-bottom:var(--sp-3); }
.hero-actions{ display:flex; gap:var(--sp-2); flex-wrap:wrap; }
.hero-media{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:var(--shadow-lg); aspect-ratio:4/3.1;
}
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-media::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(20,24,27,0) 55%,rgba(15,30,26,.45) 100%);
}
.hero-stat-card{
  position:absolute; left:20px; bottom:20px; z-index:2;
  background:rgba(255,255,255,.95); backdrop-filter:blur(6px);
  border-radius:var(--radius-md); padding:14px 18px; box-shadow:var(--shadow-md);
  display:flex; gap:14px; align-items:center;
}
.hero-stat-card strong{ display:block; font-size:1.1rem; color:var(--c-ink); }
.hero-stat-card span{ font-size:.78rem; color:var(--c-muted); }

/* ============ Section base ============ */
.section{ padding:var(--sp-7) 0; }
.section-soft{ background:var(--c-bg-soft); }
.section-head{ max-width:640px; margin:0 auto var(--sp-5); text-align:center; }
.section-head .kicker{
  display:inline-block; font-size:.8rem; font-weight:800; letter-spacing:.06em;
  color:var(--c-primary); text-transform:uppercase; margin-bottom:10px;
}
.section-head p{ color:var(--c-muted); }

/* ============ Feature grid ============ */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-3); }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:var(--sp-3); }
.feature-card{
  background:var(--c-bg); border:1px solid var(--c-border-soft); border-radius:var(--radius-lg);
  padding:var(--sp-4); box-shadow:var(--shadow-sm); transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.feature-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
.feature-icon{
  width:48px; height:48px; border-radius:14px; background:var(--c-primary-light); color:var(--c-primary);
  display:flex; align-items:center; justify-content:center; font-size:22px; margin-bottom:var(--sp-2);
}
.feature-card h3{ margin-bottom:8px; }
.feature-card p{ color:var(--c-muted); font-size:.95rem; margin:0; }

/* ============ Tool CTA banner ============ */
.tool-banner{
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff; padding:var(--sp-6) var(--sp-5);
  display:grid; grid-template-columns:1.3fr .7fr; gap:var(--sp-4); align-items:center;
  box-shadow:var(--shadow-lg); position:relative; overflow:hidden;
}
.tool-banner::before{
  content:''; position:absolute; width:340px; height:340px; border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,transparent 70%);
  right:-80px; top:-120px;
}
.tool-banner h2{ color:#fff; }
.tool-banner p{ color:rgba(255,255,255,.86); max-width:48ch; }
.tool-banner .btn-primary{ background:#fff; color:var(--c-primary-dark); }
.tool-banner .btn-primary:hover{ background:#eafff9; }
.tool-banner-steps{ display:flex; flex-direction:column; gap:10px; }
.tool-banner-steps li{ list-style:none; display:flex; gap:10px; align-items:center; font-size:.9rem; color:rgba(255,255,255,.92); }
.tool-banner-steps .num{
  width:24px; height:24px; border-radius:50%; background:rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center; font-size:.75rem; font-weight:800; flex-shrink:0;
}

/* ============ Carousel ============ */
.carousel-wrap{ position:relative; }
.carousel-track{
  display:flex; gap:var(--sp-3); overflow-x:auto; scroll-snap-type:x mandatory;
  padding-bottom:8px; -webkit-overflow-scrolling:touch; scrollbar-width:thin;
}
.carousel-track::-webkit-scrollbar{ height:6px; }
.carousel-track::-webkit-scrollbar-thumb{ background:var(--c-border); border-radius:3px; }
.carousel-item{
  scroll-snap-align:start; flex:0 0 320px; border-radius:var(--radius-lg); overflow:hidden;
  background:var(--c-bg); border:1px solid var(--c-border-soft); box-shadow:var(--shadow-sm);
  transition:box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.carousel-item:hover{ box-shadow:var(--shadow-md); transform:translateY(-3px); }
.carousel-item .thumb{ aspect-ratio:4/3; overflow:hidden; }
.carousel-item .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.carousel-item:hover .thumb img{ transform:scale(1.04); }
.carousel-item .body{ padding:16px 18px 20px; }
.carousel-item .body h4{ font-size:.98rem; margin:0 0 6px; color:var(--c-ink); }
.carousel-item .body p{ font-size:.85rem; color:var(--c-muted); margin:0; }

/* ============ Latest posts ============ */
.post-card{
  display:flex; flex-direction:column; border-radius:var(--radius-lg); overflow:hidden;
  border:1px solid var(--c-border-soft); background:var(--c-bg); box-shadow:var(--shadow-sm);
  transition:box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease); height:100%;
}
.post-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px); }
.post-card .thumb{ aspect-ratio:16/10; overflow:hidden; }
.post-card .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.post-card:hover .thumb img{ transform:scale(1.05); }
.post-card .body{ padding:20px 22px 24px; display:flex; flex-direction:column; gap:8px; flex:1; }
.post-card .cat{ font-size:.75rem; font-weight:800; color:var(--c-primary); text-transform:uppercase; letter-spacing:.04em; }
.post-card h3{ font-size:1.05rem; margin:0; }
.post-card .excerpt{ font-size:.88rem; color:var(--c-muted); flex:1; }
.post-card .meta{ font-size:.78rem; color:var(--c-muted); display:flex; align-items:center; gap:6px; }

/* ============ Footer ============ */
.site-footer{ background:var(--c-ink); color:rgba(255,255,255,.72); padding:var(--sp-6) 0 var(--sp-3); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:var(--sp-5); margin-bottom:var(--sp-4); }
.footer-brand{ display:flex; align-items:center; gap:10px; color:#fff; font-weight:800; font-size:1.05rem; margin-bottom:10px; }
.footer-brand img{ height:28px; border-radius:6px; }
.site-footer p{ font-size:.88rem; line-height:1.7; color:rgba(255,255,255,.6); }
.footer-col h5{ color:#fff; font-size:.85rem; margin:0 0 var(--sp-2); letter-spacing:.03em; }
.footer-col ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:.88rem; color:rgba(255,255,255,.66); transition:color var(--dur) var(--ease); }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); padding-top:var(--sp-3); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.78rem; color:rgba(255,255,255,.5); }
.footer-legal{
  font-size:.8em; color:rgba(255,255,255,.55); background:rgba(255,255,255,.05);
  border-left:3px solid rgba(255,255,255,.25); padding:12px 16px; border-radius:0 8px 8px 0; margin-bottom:var(--sp-3);
}
.footer-legal p{ margin:4px 0; color:rgba(255,255,255,.55); }

/* ============ Single / Page content ============ */
.entry-wrap{ padding:var(--sp-6) 0 var(--sp-7); }
.entry-header{ max-width:var(--content-w); margin:0 auto var(--sp-4); }
.entry-header .cat-badge{
  display:inline-block; background:var(--c-primary-light); color:var(--c-primary-dark);
  font-size:.78rem; font-weight:800; padding:6px 12px; border-radius:var(--radius-pill); margin-bottom:var(--sp-2);
}
.entry-header h1{ margin-bottom:var(--sp-2); }
.entry-meta{ display:flex; gap:14px; align-items:center; color:var(--c-muted); font-size:.88rem; flex-wrap:wrap; }
.entry-meta .avatar{ width:28px; height:28px; border-radius:50%; background:var(--c-primary-light); }
.entry-thumb{ max-width:var(--container); margin:0 auto var(--sp-5); border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-md); aspect-ratio:21/9; }
.entry-thumb img{ width:100%; height:100%; object-fit:cover; }

.entry-content{ max-width:var(--content-w); margin:0 auto; font-size:1.05rem; line-height:1.8; color:var(--c-body); }
.entry-content h2{ margin-top:var(--sp-6); padding-top:var(--sp-2); border-top:1px solid var(--c-border-soft); }
.entry-content h2:first-child{ border-top:none; padding-top:0; }
.entry-content h3{ margin-top:var(--sp-4); }
.entry-content p{ margin-bottom:var(--sp-2); }
.entry-content ul,.entry-content ol{ margin:0 0 var(--sp-3); padding-left:1.4em; }
.entry-content li{ margin-bottom:8px; }
.entry-content img{ border-radius:var(--radius-md); margin:var(--sp-3) 0; box-shadow:var(--shadow-sm); }
.entry-content figure{ margin:var(--sp-4) 0; }
.entry-content figcaption{ text-align:center; font-size:.85rem; color:var(--c-muted); margin-top:8px; }
.entry-content blockquote{
  margin:var(--sp-4) 0; padding:var(--sp-2) var(--sp-3); border-left:4px solid var(--c-primary);
  background:var(--c-primary-light); border-radius:0 var(--radius-md) var(--radius-md) 0; color:var(--c-ink);
  font-size:1rem; font-style:normal;
}
.entry-content blockquote p{ margin:0; }
.entry-content table{ width:100%; border-collapse:collapse; margin:var(--sp-4) 0; font-size:.92rem; border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-sm); }
.entry-content table th{ background:var(--c-primary); color:#fff; text-align:left; padding:12px 14px; font-weight:700; }
.entry-content table td{ padding:12px 14px; border-bottom:1px solid var(--c-border-soft); }
.entry-content table tr:last-child td{ border-bottom:none; }
.entry-content table tr:nth-child(even) td{ background:var(--c-bg-soft); }
.entry-content .callout{
  background:var(--c-bg-soft); border:1px solid var(--c-border); border-radius:var(--radius-md);
  padding:var(--sp-3); margin:var(--sp-4) 0;
}
.entry-content .callout-title{ font-weight:800; color:var(--c-primary-dark); margin-bottom:8px; display:flex; align-items:center; gap:8px; }
.entry-content .checklist{ list-style:none; padding:0; margin:var(--sp-2) 0; }
.entry-content .checklist li{
  position:relative; padding-left:30px; margin-bottom:10px;
}
.entry-content .checklist li::before{
  content:'✓'; position:absolute; left:0; top:0; width:20px; height:20px; border-radius:6px;
  background:var(--c-primary); color:#fff; font-size:.75rem; display:flex; align-items:center; justify-content:center;
}
.bar-chart{ margin:var(--sp-3) 0; display:flex; flex-direction:column; gap:10px; }
.bar-chart .bar-row{ display:grid; grid-template-columns:120px 1fr 84px; align-items:center; gap:10px; font-size:.85rem; }
.bar-chart .bar-row > span:last-child{ text-align:right; white-space:nowrap; }
.bar-chart .bar-track{ background:var(--c-border-soft); border-radius:var(--radius-pill); height:14px; overflow:hidden; }
.bar-chart .bar-fill{ height:100%; background:linear-gradient(90deg,var(--c-accent),var(--c-primary)); border-radius:var(--radius-pill); }
.toc-box{
  background:var(--c-bg-soft); border:1px solid var(--c-border-soft); border-radius:var(--radius-lg);
  padding:var(--sp-3); margin:0 0 var(--sp-4);
}
.related-posts{ max-width:var(--container); margin:var(--sp-7) auto 0; padding:0 var(--sp-3); }

.ai-notice, .legal-notice, .affiliate-notice{ max-width:var(--content-w); margin-left:auto; margin-right:auto; }
.legal-notice{ border-radius:var(--radius-md) !important; }

/* ============ Region tool page ============ */
.tool-page-hero{ background:var(--c-bg-soft); padding:var(--sp-6) 0 var(--sp-5); }
.tool-form{
  max-width:640px; margin:0 auto; background:var(--c-bg); border:1px solid var(--c-border-soft);
  border-radius:var(--radius-lg); padding:var(--sp-4); box-shadow:var(--shadow-md);
}
.tool-form label{ font-weight:700; font-size:.9rem; color:var(--c-ink); display:block; margin-bottom:8px; }
.region-search-wrap{ position:relative; }
.region-search-input{
  width:100%; padding:14px 16px; border:1.5px solid var(--c-border); border-radius:var(--radius-md);
  font-size:1rem; font-family:inherit; min-height:44px;
}
.region-search-input:focus{ border-color:var(--c-primary); outline:none; box-shadow:0 0 0 3px var(--c-primary-light); }
.region-suggest{
  position:absolute; left:0; right:0; top:calc(100% + 6px); background:#fff; border:1px solid var(--c-border-soft);
  border-radius:var(--radius-md); box-shadow:var(--shadow-md); max-height:300px; overflow-y:auto; z-index:20; display:none;
}
.region-suggest.open{ display:block; }
.region-suggest button{
  display:block; width:100%; text-align:left; padding:12px 16px; border:none; background:none; cursor:pointer;
  font-size:.92rem; color:var(--c-body); min-height:44px;
}
.region-suggest button:hover, .region-suggest button.active{ background:var(--c-primary-light); color:var(--c-primary-dark); }
.region-suggest .lvl{ font-size:.72rem; color:var(--c-muted); margin-left:6px; }
.tool-result{ max-width:820px; margin:var(--sp-5) auto 0; }
.result-summary-card{
  background:linear-gradient(120deg,var(--c-primary),var(--c-primary-dark)); color:#fff;
  border-radius:var(--radius-lg); padding:var(--sp-4); box-shadow:var(--shadow-md); margin-bottom:var(--sp-4);
}
.result-summary-card h2{ color:#fff; margin-bottom:4px; }
.result-summary-card .sub{ color:rgba(255,255,255,.82); font-size:.92rem; }
.stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-2); margin-top:var(--sp-3); }
.stat-tile{ background:rgba(255,255,255,.12); border-radius:var(--radius-md); padding:14px; text-align:center; }
.stat-tile strong{ display:block; font-size:1.3rem; }
.stat-tile span{ font-size:.75rem; color:rgba(255,255,255,.8); }
.guide-card{
  background:var(--c-bg); border:1px solid var(--c-border-soft); border-radius:var(--radius-lg);
  padding:var(--sp-4); margin-bottom:var(--sp-3); box-shadow:var(--shadow-sm);
}
.guide-card h3{ display:flex; align-items:center; gap:10px; }
.guide-tag{ display:inline-block; font-size:.72rem; font-weight:800; padding:4px 10px; border-radius:var(--radius-pill); background:var(--c-primary-light); color:var(--c-primary-dark); margin-bottom:10px; }
.loading-spinner{ display:inline-block; width:18px; height:18px; border:2.5px solid var(--c-border); border-top-color:var(--c-primary); border-radius:50%; animation:spin .7s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
.tool-loading{ display:none; align-items:center; gap:10px; color:var(--c-muted); font-size:.9rem; margin-top:var(--sp-2); }
.tool-loading.active{ display:flex; }
.tool-error{ display:none; background:#FDECEC; border:1px solid #F5B5B5; color:#9B2C2C; padding:12px 16px; border-radius:var(--radius-md); margin-top:var(--sp-2); font-size:.9rem; }
.tool-error.active{ display:block; }
.privacy-note{ font-size:.78rem; color:var(--c-muted); margin-top:var(--sp-2); text-align:center; }

/* ============ Scroll reveal ============ */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ============ Utility ============ */
.mt-0{ margin-top:0; }
.text-center{ text-align:center; }
.eyebrow-badge{ display:inline-flex; align-items:center; gap:6px; background:var(--c-primary-light); color:var(--c-primary-dark); font-size:.78rem; font-weight:700; padding:6px 12px; border-radius:var(--radius-pill); }

/* ============ Responsive ============ */
@media (max-width: 980px){
  .hero .container{ grid-template-columns:1fr; padding-top:var(--sp-5); padding-bottom:var(--sp-5); }
  .hero-media{ order:-1; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .tool-banner{ grid-template-columns:1fr; }
  .stat-row{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 680px){
  .container{ padding:0 var(--sp-2); }
  .site-header .container{ height:64px; }
  .hide-mobile-btn{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .primary-nav{
    position:absolute; left:0; right:0; top:64px; background:#fff;
    border-bottom:1px solid var(--c-border-soft); box-shadow:var(--shadow-md);
    max-height:0; overflow:hidden; transition:max-height var(--dur) var(--ease);
  }
  .primary-nav.open{ max-height:320px; }
  .primary-nav ul{ display:flex; flex-direction:column; gap:0; padding:8px var(--sp-2) 16px; }
  .primary-nav a{ display:block; padding:14px 4px; min-height:44px; border-bottom:1px solid var(--c-border-soft); }
  .primary-nav a::after{ display:none; }
  .grid-3, .grid-2{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .entry-content{ font-size:1rem; }
  .carousel-item{ flex:0 0 82%; }
  .stat-row{ grid-template-columns:1fr 1fr; }
  .bar-chart .bar-row{ grid-template-columns:76px 1fr 64px; font-size:.72rem; }
}
@media (max-width: 420px){
  .stat-row{ grid-template-columns:1fr; }
}

/* 단계 다이어그램 (본문 인라인 차트) */
.entry-content .step-flow{ display:grid; gap:10px; margin:var(--sp-3) 0; }
.entry-content .step-item{ display:flex; align-items:center; gap:12px; background:var(--c-bg-soft); border:1px solid var(--c-border); border-left:4px solid var(--c-accent); border-radius:var(--radius-sm); padding:12px 14px; }
.entry-content .step-num{ flex:0 0 28px; width:28px; height:28px; border-radius:var(--radius-pill); background:var(--c-primary); color:#fff; font-weight:800; font-size:.85rem; display:flex; align-items:center; justify-content:center; }
.entry-content .step-body{ display:flex; flex-direction:column; gap:2px; min-width:0; }
.entry-content .step-body strong{ color:var(--c-ink); font-size:.95rem; line-height:1.45; }
.entry-content .step-body em{ color:var(--c-muted); font-style:normal; font-size:.82rem; }
@media (max-width: 520px){
  .entry-content .step-item{ padding:10px 12px; gap:10px; }
  .entry-content .step-body strong{ font-size:.9rem; }
}

/* bar-fill/bar-track 이 인라인 span 으로 출력되는 경우(조회 도구 결과) width·height 가 무시되어
   막대가 그려지지 않는 문제 보정 — 본문 div 기반 차트에도 동일하게 안전하다. */
.bar-chart .bar-track{ display:block; width:100%; }
.bar-chart .bar-fill{ display:block; min-height:14px; }

/* 모바일 표 가독성: 한글이 글자 단위로 쪼개지지 않도록 keep-all,
   좁은 화면에서는 표 자체가 가로 스크롤되도록 처리(페이지 가로스크롤은 발생시키지 않음) */
.entry-content table th, .entry-content table td{ word-break:keep-all; }
@media (max-width: 640px){
  .entry-content table{ display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .entry-content table > tbody{ display:table; width:100%; min-width:520px; }
  .entry-content table th, .entry-content table td{ padding:10px 12px; font-size:.86rem; }
}