/*
Theme Name: CCTV 설치비용 비교 가이드
Theme URI: https://cctvcostinfo.zibsuri.com
Description: CCTV 설치 비용 정보 검색 플랫폼 전용 테마 — 프리미엄 디자인 시스템 (8pt 스케일, Pretendard+Noto Serif KR)
Version: 1.0.0
Author: MUN HO YOUNG
Text Domain: cctvcostinfo
*/

/* ============ Design Tokens ============ */
:root{
  --navy-950:#0A1628;
  --navy-900:#0F1F38;
  --navy-800:#142A47;
  --navy-700:#1B3557;
  --blue-600:#2563EB;
  --blue-500:#3B82F6;
  --sky-400:#38BDF8;
  --cyan-300:#4FC3F7;
  --ink:#12203A;
  --body:#3D4A5C;
  --muted:#6B7A90;
  --line:#E6EAF2;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FB;
  --bg-tint:#EEF3F9;
  --ok:#16A34A;
  --warn:#D97706;
  --danger:#DC2626;
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  --sh-sm:0 1px 2px rgba(15,31,56,.05),0 2px 8px rgba(15,31,56,.05);
  --sh-md:0 8px 24px rgba(15,31,56,.08);
  --sh-lg:0 20px 48px rgba(15,31,56,.12);
  --font-sans:"Pretendard Variable","Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;
  --font-serif:"Noto Serif KR",serif;
  --maxw:1160px;
  --col:760px;
  --radius:14px;
}

/* ============ Base ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
}
body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.75;color:var(--body);background:var(--bg);letter-spacing:-0.011em;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--blue-500)}
h1,h2,h3,h4{font-family:var(--font-sans);color:var(--ink);line-height:1.3;letter-spacing:-0.02em;font-weight:700;margin:0 0 .55em;text-wrap:balance}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.2em;padding-left:1.35em}
li{margin-bottom:.4em}
:focus-visible{outline:3px solid rgba(37,99,235,.45);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy-900);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999}
.skip-link:focus{left:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tint{background:var(--bg-soft)}
.section--navy{background:linear-gradient(160deg,var(--navy-950),var(--navy-800));color:#C9D6E8}
.section--navy h2,.section--navy h3{color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--blue-600);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--sky-400);border-radius:2px}
.section--navy .eyebrow{color:var(--cyan-300)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:14px}
.section-head p{font-size:1.06rem;color:var(--muted);margin:0}
.section--navy .section-head p{color:#9FB1C8}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15.5px;line-height:1;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;font-family:var(--font-sans)}
.btn--primary{background:var(--blue-600);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.28)}
.btn--primary:hover{background:var(--blue-500);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.34)}
.btn--ghost{background:transparent;color:var(--ink);border-color:#D4DCE8}
.btn--ghost:hover{border-color:var(--blue-600);color:var(--blue-600);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--navy-900)}
.btn--light:hover{background:var(--bg-tint);color:var(--navy-900);transform:translateY(-2px)}
.btn--sm{min-height:42px;padding:9px 18px;font-size:14px}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px;height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-0.02em}
.brand:hover{color:var(--ink)}
.brand-mark{width:38px;height:38px;flex:none;border-radius:12px;display:grid;place-items:center;background:linear-gradient(150deg,var(--navy-900),var(--navy-700));box-shadow:var(--sh-sm)}
.brand-mark svg{width:22px;height:22px}
.brand small{display:block;font-size:10.5px;font-weight:700;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{color:var(--body);font-weight:600;font-size:15px;padding:10px 14px;border-radius:10px;min-height:44px;display:inline-flex;align-items:center}
.main-nav a:hover{color:var(--blue-600);background:var(--bg-tint)}
.main-nav .btn{margin-left:12px}
.nav-toggle{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink)}
@media (max-width:980px){
  .main-nav{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:16px 20px 24px;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--sh-lg);display:none;max-height:calc(100vh - 74px);overflow:auto}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 12px;font-size:16px}
  .main-nav .btn{margin:10px 0 0;width:100%}
  .nav-toggle{display:inline-flex}
}

/* ============ Hero ============ */
.hero{position:relative;background:radial-gradient(1200px 500px at 85% -10%,rgba(37,99,235,.10),transparent 60%),linear-gradient(180deg,#F8FAFE,var(--bg));overflow:hidden;padding:96px 0 104px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.2vw,3.8rem);line-height:1.18;margin-bottom:22px;letter-spacing:-0.03em}
.hero h1 .accent{color:var(--blue-600)}
.hero-lead{font-size:1.16rem;color:var(--muted);max-width:560px;margin-bottom:34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:600px}
.hero-fact{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-sm)}
.hero-fact b{display:block;font-size:19px;color:var(--ink);letter-spacing:-0.02em;margin-bottom:2px}
.hero-fact span{font-size:13px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-lg)}
.hero-media::before{content:"";position:absolute;inset:-18px -18px auto auto;width:60%;height:60%;background:linear-gradient(140deg,rgba(56,189,248,.28),rgba(37,99,235,.12));filter:blur(30px);border-radius:50%;z-index:-1}
.hero-badge{position:absolute;left:18px;bottom:18px;background:rgba(10,22,40,.82);color:#fff;backdrop-filter:blur(8px);border-radius:12px;padding:10px 16px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.hero-badge svg{width:16px;height:16px;stroke:var(--cyan-300)}
@media (max-width:900px){
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-facts{grid-template-columns:1fr;max-width:none}
}

/* ============ Cards ============ */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.card .icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;background:var(--bg-tint);color:var(--blue-600)}
.card .icon svg{width:24px;height:24px;stroke:currentColor}
.card h3{font-size:17.5px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.65}

/* post cards */
.post-card{overflow:hidden;padding:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-tint)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .body{padding:22px 24px 24px}
.post-card .cat{display:inline-block;font-size:12px;font-weight:700;color:var(--blue-600);background:var(--bg-tint);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.post-card h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--blue-600)}
.post-card .excerpt{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{font-size:12.5px;color:#93A2B8;display:flex;align-items:center;gap:6px}

/* ============ Feature split ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-media img{width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-lg);aspect-ratio:3/2;object-fit:cover}
.split-media.contain img{aspect-ratio:auto}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:40px}}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 18px;text-align:center;position:relative}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;margin:0 auto 12px;border-radius:50%;background:var(--navy-900);color:#fff;font-weight:800;font-size:14px}
.step b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.step span{font-size:12.5px;color:var(--muted);line-height:1.5;display:block}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:10px}}

/* ============ Carousel ============ */
.carousel{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.carousel-item{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:3/2;box-shadow:var(--sh-md)}
.carousel-item img{width:100%;height:100%;object-fit:cover}
.carousel-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:42px 20px 16px;background:linear-gradient(transparent,rgba(10,22,40,.82));color:#fff;font-size:14px;font-weight:600}
@media (max-width:760px){.carousel{grid-template-columns:1fr;gap:14px}}

/* ============ Cost bars (chart) ============ */
.chart{margin:22px 0 8px;display:grid;gap:14px}
.chart-row{display:grid;grid-template-columns:118px 1fr;gap:14px;align-items:center}
.chart-row .lbl{font-size:13.5px;font-weight:700;color:var(--ink);text-align:right}
.chart-track{height:26px;background:var(--bg-tint);border-radius:999px;overflow:hidden}
.chart-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue-600),var(--sky-400));display:flex;align-items:center;justify-content:flex-end;padding-right:12px;color:#fff;font-size:12px;font-weight:700;min-width:64px}
.chart-fill.w1{width:22%}.chart-fill.w2{width:38%}.chart-fill.w3{width:54%}.chart-fill.w4{width:72%}.chart-fill.w5{width:88%}
.chart-note{font-size:12.5px;color:var(--muted);margin-top:6px}
@media (max-width:640px){.chart-row{grid-template-columns:1fr;gap:6px}.chart-row .lbl{text-align:left}}

/* ============ Tables ============ */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);margin:24px 0;box-shadow:var(--sh-sm)}
.tbl-wrap table{width:100%;border-collapse:collapse;min-width:560px;font-size:14.5px}
.tbl-wrap th{background:var(--navy-900);color:#fff;text-align:left;padding:13px 16px;font-weight:700;white-space:nowrap}
.tbl-wrap td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}
.tbl-wrap tbody tr:nth-child(even){background:var(--bg-soft)}
.tbl-wrap .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl-wrap .tag{display:inline-block;background:var(--bg-tint);color:var(--blue-600);font-size:11.5px;font-weight:700;border-radius:999px;padding:2px 9px}

/* ============ Callout / notice ============ */
.callout{background:var(--bg-tint);border-left:4px solid var(--blue-600);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:18px 22px;margin:24px 0}
.callout p{margin:0 0 6px}
.callout p:last-child{margin-bottom:0}
.callout strong{color:var(--ink)}
.callout--navy{background:var(--navy-900);color:#C9D6E8;border-left-color:var(--cyan-300)}
.callout--navy strong{color:#fff}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease}
.faq details[open]{box-shadow:var(--sh-md)}
.faq summary{cursor:pointer;padding:20px 56px 20px 24px;font-weight:700;color:var(--ink);font-size:16px;list-style:none;position:relative;min-height:24px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--bg-tint);display:grid;place-items:center;font-size:17px;color:var(--blue-600);transition:transform .2s ease}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .faq-a{padding:0 24px 20px;font-size:14.5px;color:var(--muted)}
.faq .faq-a p{margin-bottom:.6em}

/* ============ CTA band ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--navy-950),var(--navy-800));padding:72px 64px;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;color:#C9D6E8}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.28),transparent 65%)}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px}
.cta-band p{margin-bottom:26px;color:#9FB1C8;max-width:520px}
.cta-band img{width:100%;border-radius:var(--r-md);box-shadow:var(--sh-lg);aspect-ratio:4/3;object-fit:cover}
@media (max-width:900px){.cta-band{grid-template-columns:1fr;padding:48px 28px}}

/* ============ Footer ============ */
.site-footer{background:var(--navy-950);color:#8FA2BA;padding:72px 0 32px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand{font-size:17px;font-weight:800;color:#fff;display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(150deg,var(--blue-600),var(--navy-700))}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em}
.footer-grid a{color:#8FA2BA;display:block;padding:5px 0;min-height:30px}
.footer-grid a:hover{color:#fff}
.footer-note{font-size:12.5px;line-height:1.8;color:#64748F;border-top:1px solid rgba(255,255,255,.08);padding-top:24px}
.footer-note .legal{margin:14px 0 0;padding:14px 16px;background:rgba(255,255,255,.04);border-left:3px solid #475569;border-radius:0 10px 10px 0}
.footer-note .legal p{margin:4px 0}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:20px;font-size:12.5px;color:#64748F}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;gap:32px}}

/* ============ Post content ============ */
.post-hero{background:linear-gradient(180deg,#F6F9FE,var(--bg));padding:64px 0 40px}
.post-hero .wrap{max-width:var(--col)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--blue-600)}
.post-title{font-size:clamp(1.8rem,3.6vw,2.5rem);line-height:1.3;margin-bottom:16px}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:28px}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:#C2CCDB}
.post-thumb{aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);margin-bottom:12px}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-hero-note{font-size:12.5px;color:var(--muted);text-align:center;margin-bottom:8px}
.post-body{max-width:var(--col);margin:0 auto;padding:48px 24px 72px}
.post-body .content{font-size:17px;line-height:1.85;color:var(--body)}
.post-body .content h2{font-size:1.55rem;margin:52px 0 18px;padding-top:14px;position:relative}
.post-body .content h2::before{content:"";display:block;width:34px;height:4px;border-radius:4px;background:var(--sky-400);margin-bottom:16px}
.post-body .content h3{font-size:1.22rem;margin:34px 0 12px;color:var(--navy-800)}
.post-body .content p{margin-bottom:1.2em}
.post-body .content .post-figure{margin:30px 0;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-md)}
.post-body .content .post-figure img{width:100%}
.post-body .content .post-figure figcaption{font-size:12.5px;color:var(--muted);padding:12px 16px;background:var(--bg-soft);text-align:center}
.post-body .content ul,.post-body .content ol{line-height:1.8}
.legal-notice{border-left:3px solid var(--line)}
.ai-notice{font-size:12.5px;color:#98A4B5;margin-top:36px}
.related{max-width:var(--col);margin:0 auto 80px;padding:0 24px}
.related h2{font-size:1.35rem;margin-bottom:20px}
.related .grid{grid-template-columns:repeat(3,1fr)}
@media (max-width:760px){.related .grid{grid-template-columns:1fr}}
.post-body .content .callout{font-size:15.5px}
.post-body .content .toc-wrap{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;margin:26px 0}
.post-body .content .toc-wrap b{display:block;margin-bottom:10px;color:var(--ink)}

/* ez TOC override */
.ez-toc-container{background:var(--bg-soft)!important;border:1px solid var(--line)!important;border-radius:var(--r-md)!important;padding:18px 22px!important;margin:26px 0!important}
.ez-toc-title{color:var(--ink)!important;font-weight:700!important;font-size:15px!important}
.ez-toc-list a{color:var(--body)!important;font-size:14px}
.ez-toc-list a:hover{color:var(--blue-600)!important}

/* ============ Pages ============ */
.page-hero{padding:72px 0 20px;text-align:center;background:linear-gradient(180deg,#F6F9FE,var(--bg))}
.page-hero h1{font-size:clamp(1.8rem,3.4vw,2.4rem)}
.page-body{max-width:760px;margin:0 auto;padding:44px 24px 80px}
.page-body .content h2{font-size:1.35rem;margin:40px 0 16px}
.page-body .content p{font-size:16.5px}

/* ============ Reveal animation ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ============ misc ============ */
.archive-head{padding:72px 0 24px;background:linear-gradient(180deg,#F6F9FE,var(--bg));text-align:center}
.archive-list{max-width:820px;margin:0 auto;padding:40px 24px 80px;display:grid;gap:18px}
.archive-item{display:grid;grid-template-columns:180px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease}
.archive-item:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.archive-item img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.archive-item h2{font-size:17px;margin-bottom:8px}
.archive-item p{font-size:13.5px;color:var(--muted);margin:0}
@media (max-width:640px){.archive-item{grid-template-columns:1fr}.archive-item img{aspect-ratio:16/9}}
.section-foot{margin-top:44px;text-align:center}
.lead{font-size:1.08rem;color:var(--muted)}