/* ==========================================================================
   앞니임플란트 가이드 — 프리미엄 디자인 시스템 (shared by html.php + theme)
   ========================================================================== */
:root{
  /* palette: teal brand + navy ink + neutrals */
  --brand:#0d9488; --brand-600:#0f766e; --brand-700:#115e59;
  --brand-050:#f0fdfa; --brand-100:#ccfbf1; --brand-200:#99f6e4;
  --ink:#0f2b46; --ink-soft:#1e3a52;
  --text:#233240; --muted:#5b6b7b; --faint:#8b98a5;
  --line:#e6ecf1; --line-soft:#eef3f7;
  --bg:#ffffff; --bg-soft:#f6f9fb; --bg-soft2:#eef4f8; --bg-ink:#0f2b46;
  --amber:#b45309; --amber-bg:#fffbeb; --amber-line:#fde68a;
  --danger:#b91c1c; --danger-bg:#fef2f2; --danger-line:#fecaca;
  /* radius */
  --r-xs:6px; --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px; --r-pill:999px;
  /* shadow */
  --sh-1:0 1px 2px rgba(15,43,70,.04), 0 2px 8px rgba(15,43,70,.05);
  --sh-2:0 10px 30px rgba(15,43,70,.09);
  --sh-3:0 24px 64px rgba(15,43,70,.14);
  /* spacing (8pt) */
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px; --s8:128px;
  --wrap:1160px; --read:760px;
  --f-sans:'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --f-serif:'Noto Serif KR',serif;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-sans);color:var(--text);background:var(--bg);
  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-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;letter-spacing:-.02em;font-weight:700}
p{margin:0 0 1.1em}
:focus-visible{outline:3px solid var(--brand-200);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand .mark{width:40px;height:40px;flex:0 0 40px}
.brand .bt{display:flex;flex-direction:column;line-height:1.15}
.brand .bt b{font-size:18px;font-weight:800;letter-spacing:-.02em}
.brand .bt span{font-size:11.5px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:var(--ink-soft);font-weight:600;font-size:15.5px;padding:10px 14px;border-radius:var(--r-pill);transition:background .2s var(--ease),color .2s var(--ease)}
.nav a:hover{background:var(--brand-050);color:var(--brand-700)}
.nav .cta{background:var(--brand);color:#fff;padding:10px 18px;box-shadow:var(--sh-1)}
.nav .cta:hover{background:var(--brand-700);color:#fff}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--r-sm);width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center}
.navtoggle span,.navtoggle span::before,.navtoggle span::after{content:'';display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.2s var(--ease)}
.navtoggle span::before{position:absolute;top:-6px}.navtoggle span::after{position:absolute;top:6px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:16px;
  padding:14px 26px;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);text-align:center}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-200);color:var(--brand-700);transform:translateY(-2px)}
.btn svg{width:18px;height:18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--brand-050),#fff 70%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:88px;padding-bottom:88px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--brand-700);
  background:var(--brand-100);padding:7px 14px;border-radius:var(--r-pill);margin-bottom:22px;letter-spacing:.01em}
.hero h1{font-family:var(--f-serif);font-weight:700;font-size:clamp(34px,4.4vw,54px);line-height:1.22;margin:0 0 20px;color:var(--ink)}
.hero p.lead{font-size:19px;color:var(--ink-soft);max-width:34em;margin:0 0 30px;line-height:1.75}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .visual{position:relative}
.hero .visual img{border-radius:var(--r-xl);box-shadow:var(--sh-3);width:100%;aspect-ratio:4/3;object-fit:cover}
.hero .visual .chip{position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-2);border-radius:var(--r);padding:14px 18px;display:flex;gap:12px;align-items:center;max-width:250px}
.hero .visual .chip .n{font-size:24px;font-weight:800;color:var(--brand-700);font-family:var(--f-serif)}
.hero .visual .chip small{color:var(--muted);font-size:12.5px;line-height:1.4;display:block}

/* ---------- Sections ---------- */
.section{padding:var(--s7) 0}
.section.soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:640px;margin:0 auto var(--s5)}
.section-head .k{font-size:13.5px;font-weight:700;color:var(--brand-600);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:clamp(26px,3vw,36px);margin:0 0 14px}
.section-head p{color:var(--muted);font-size:17px;margin:0}

/* ---------- Feature grid ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 28px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.feat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.feat .ic{width:52px;height:52px;border-radius:14px;background:var(--brand-050);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feat .ic svg{width:26px;height:26px;stroke:var(--brand-600)}
.feat h3{font-size:19px;margin:0 0 10px}
.feat p{color:var(--muted);font-size:15.5px;margin:0}

/* ---------- Post cards / carousel ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft2)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.card .cat{font-size:12.5px;font-weight:700;color:var(--brand-600);margin-bottom:10px}
.card h3{font-size:18.5px;margin:0 0 10px;line-height:1.4}
.card h3 a{color:var(--ink)}.card h3 a:hover{color:var(--brand-700)}
.card p{color:var(--muted);font-size:14.5px;margin:0 0 16px;flex:1}
.card .more{font-weight:700;font-size:14.5px;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px}

.carousel{position:relative}
.carousel .track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(320px,1fr);gap:24px;overflow-x:auto;
  scroll-snap-type:x mandatory;padding:6px 2px 20px;scrollbar-width:thin}
.carousel .track>*{scroll-snap-align:start}
.carousel .track::-webkit-scrollbar{height:8px}
.carousel .track::-webkit-scrollbar-thumb{background:var(--brand-100);border-radius:999px}

/* ---------- Hospital search CTA band ---------- */
.band{background:linear-gradient(120deg,var(--ink),#123a5e);color:#fff;border-radius:var(--r-xl);overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:10px;box-shadow:var(--sh-3)}
.band .txt{padding:56px 52px}
.band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin:0 0 14px}
.band p{color:#c7d6e4;font-size:16.5px;margin:0 0 26px}
.band .visual{height:100%;min-height:280px;background-size:cover;background-position:center;position:relative}
.band .visual::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,43,70,.55),transparent 60%)}

/* ---------- Post / page content ---------- */
.page-hero{background:linear-gradient(180deg,var(--brand-050),#fff);border-bottom:1px solid var(--line)}
.page-hero .wrap{padding:56px 24px 44px;max-width:var(--read)}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--brand-600)}
.entry-cat{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-600);background:var(--brand-050);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px}
.entry-title{font-family:var(--f-serif);font-size:clamp(28px,3.6vw,42px);line-height:1.28;margin:0 0 16px}
.entry-meta{font-size:14px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.entry-featured{max-width:var(--wrap);margin:36px auto 0;padding:0 24px}
.entry-featured img{width:100%;border-radius:var(--r-xl);box-shadow:var(--sh-2);aspect-ratio:16/8;object-fit:cover}

.entry{max-width:var(--read);margin:0 auto;padding:48px 24px 24px;font-size:17.5px;line-height:1.85}
.entry h2{font-size:26px;margin:2.2em 0 .7em;padding-top:.3em;position:relative}
.entry h2::before{content:'';display:block;width:44px;height:4px;border-radius:4px;background:var(--brand);margin-bottom:16px}
.entry h3{font-size:20px;margin:1.8em 0 .6em;color:var(--ink-soft)}
.entry p{margin:0 0 1.25em}
.entry ul,.entry ol{margin:0 0 1.5em;padding-left:1.4em}
.entry li{margin:.5em 0}
.entry ul li::marker{color:var(--brand)}
.entry img{border-radius:var(--r-lg);box-shadow:var(--sh-1);margin:2em auto}
.entry figure{margin:2em 0}
.entry figure figcaption{text-align:center;font-size:13.5px;color:var(--faint);margin-top:10px}
.entry a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--brand-200)}
.entry strong{color:var(--ink)}

/* summary box */
.summary-box{background:var(--brand-050);border:1px solid var(--brand-100);border-radius:var(--r-lg);padding:24px 28px;margin:0 0 36px}
.summary-box h4{margin:0 0 12px;font-size:15px;color:var(--brand-700);letter-spacing:.02em;display:flex;align-items:center;gap:8px}
.summary-box h4::before{content:'';width:8px;height:8px;border-radius:2px;background:var(--brand);transform:rotate(45deg)}
.summary-box ul{margin:0;padding-left:1.2em}
.summary-box li{margin:.4em 0;font-size:15.5px;color:var(--ink-soft)}

/* tables */
.entry .tbl-wrap{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1)}
.entry table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.entry thead th{background:var(--ink);color:#fff;font-weight:700;text-align:left;padding:14px 16px;font-size:14.5px}
.entry tbody td{padding:13px 16px;border-top:1px solid var(--line);vertical-align:top}
.entry tbody tr:nth-child(even){background:var(--bg-soft)}
.entry th[scope=row]{background:var(--brand-050);color:var(--brand-700);font-weight:700}

/* callout / blockquote */
.callout{display:flex;gap:14px;background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:var(--r);padding:18px 20px;margin:1.8em 0}
.callout .ci{flex:0 0 22px;color:var(--amber)}
.callout p{margin:0;font-size:15.5px;color:#7c4a06}
.callout strong{color:#7c2d12}
.entry blockquote{margin:1.8em 0;padding:20px 26px;background:var(--bg-soft);border-left:4px solid var(--brand);border-radius:0 var(--r) var(--r) 0;font-size:17px;color:var(--ink-soft)}
.entry blockquote p{margin:0}
.warn{background:var(--danger-bg);border-color:var(--danger-line)}
.warn .ci{color:var(--danger)}.warn p{color:#7f1d1d}.warn strong{color:#991b1b}

/* CSS charts */
.chart{margin:1.8em 0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 22px;box-shadow:var(--sh-1)}
.chart .ct{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:20px}
.bar-row{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center;margin:12px 0}
.bar-row .lb{font-size:13.5px;color:var(--muted);font-weight:600}
.bar-track{background:var(--bg-soft2);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(--brand),var(--brand-600));
  display:flex;align-items:center;justify-content:flex-end;padding-right:12px;color:#fff;font-size:12.5px;font-weight:700;min-width:44px}
.bar-fill.alt{background:linear-gradient(90deg,#f59e0b,#d97706)}
.steps{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:0;counter-reset:st;overflow-x:auto}
.steps .st{position:relative;padding:0 12px;text-align:center;min-width:120px}
.steps .st .dot{width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:17px;box-shadow:0 0 0 6px var(--brand-050)}
.steps .st:not(:last-child)::after{content:'';position:absolute;top:22px;left:50%;width:100%;height:3px;background:var(--brand-100);z-index:-1}
.steps .st b{display:block;font-size:14px;color:var(--ink);margin-bottom:4px}
.steps .st small{color:var(--muted);font-size:12.5px;line-height:1.4}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:var(--r);margin:12px 0;overflow:hidden;background:#fff;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--sh-1)}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink);font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--brand);font-size:22px;font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .fa{padding:0 22px 20px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* TOC */
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 26px;margin:0 0 32px}
.toc b{display:block;font-size:14px;color:var(--brand-700);margin-bottom:12px;letter-spacing:.02em}
.toc ol{margin:0;padding-left:1.3em;columns:2;column-gap:32px}
.toc a{color:var(--ink-soft);font-size:14.5px;text-decoration:none}
.toc a:hover{color:var(--brand-600)}

/* related */
.related{max-width:var(--wrap);margin:0 auto;padding:16px 24px 40px}
.related h2{font-size:22px;margin:0 0 22px}

/* legal + ai notices (inline styles also present) */
.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}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-ink);color:#b9c7d4;padding:64px 0 34px;margin-top:0}
.site-footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer .brand b{color:#fff}
.site-footer .brand .bt span{color:#8ca0b3}
.site-footer p.desc{margin:16px 0 0;font-size:14.5px;color:#8ca0b3;max-width:34em;line-height:1.7}
.site-footer h5{color:#fff;font-size:14px;margin:0 0 16px;letter-spacing:.03em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:10px 0}
.site-footer a{color:#b9c7d4;font-size:14.5px}.site-footer a:hover{color:#fff}
.footer-legal{padding-top:26px;font-size:12.8px;color:#7c8fa1;line-height:1.7}
.footer-legal .disc{max-width:none;margin-bottom:14px}
.footer-legal .disc p{margin:4px 0}
.footer-copy{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:16px;color:#6f8296}

/* ---------- Hospital search UI ---------- */
.hs-shell{max-width:var(--wrap);margin:0 auto;padding:40px 24px 80px}
.hs-controls{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:24px;display:grid;
  grid-template-columns:1fr 1fr 1.4fr auto;gap:14px;align-items:end;margin-bottom:14px}
.hs-controls .fld{display:flex;flex-direction:column;gap:7px}
.hs-controls label{font-size:13px;font-weight:700;color:var(--ink-soft)}
.hs-controls select,.hs-controls input{font:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--text);min-height:46px}
.hs-controls select:focus,.hs-controls input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px var(--brand-050)}
.hs-note{font-size:13px;color:var(--muted);margin:0 0 22px}
.hs-stats{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.hs-stat{background:var(--brand-050);border:1px solid var(--brand-100);border-radius:var(--r);padding:14px 20px}
.hs-stat b{font-size:22px;color:var(--brand-700);font-family:var(--f-serif);display:block}
.hs-stat small{color:var(--muted);font-size:12.5px}
.hs-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.hs-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;transition:box-shadow .2s,transform .2s}
.hs-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.hs-card .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-700);background:var(--brand-050);padding:4px 10px;border-radius:var(--r-pill);margin-bottom:10px}
.hs-card h4{margin:0 0 10px;font-size:17px;color:var(--ink)}
.hs-card .row{display:flex;gap:8px;font-size:14px;color:var(--muted);margin:5px 0;align-items:flex-start}
.hs-card .row svg{width:16px;height:16px;flex:0 0 16px;margin-top:3px;stroke:var(--brand)}
.hs-card a.tel{color:var(--brand-700);font-weight:700}
.hs-empty,.hs-loading{text-align:center;color:var(--muted);padding:48px 0;font-size:15px}
.hs-more{text-align:center;margin-top:28px}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:64px}
  .hero .visual{order:-1}
  .band{grid-template-columns:1fr}.band .visual{min-height:220px}
  .hs-controls{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .grid3,.cards{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;
    border-bottom:1px solid var(--line);padding:12px 16px 20px;gap:4px;box-shadow:var(--sh-2);display:none}
  .nav.open{display:flex}
  .nav a{padding:14px 16px;border-radius:var(--r-sm);font-size:16px}
  .nav .cta{text-align:center;justify-content:center}
  .navtoggle{display:inline-flex}
  .section{padding:var(--s6) 0}
}
@media (max-width:560px){
  body{font-size:16px}
  .grid3,.cards{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr}
  .hs-controls{grid-template-columns:1fr}
  .toc ol{columns:1}
  .band .txt{padding:40px 28px}
  .entry .tbl-wrap{border-radius:var(--r-sm)}
  .hero .visual .chip{left:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}