:root{
  --accent:#2A3048;
  --accent-soft:#E9ECF4;
  --ink:#000000;
  --line:#E0E0DC;
  --muted:#5B6169;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Pretendard',sans-serif;color:var(--ink);background:#fff;line-height:1.6;}
h1,h2,h3{font-family:'Noto Serif KR',serif;font-weight:600;margin:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-head{margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:14px;letter-spacing:0.12em;color:var(--accent);text-transform:uppercase;margin-bottom:14px;}
.eyebrow svg{flex-shrink:0;}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.3;}

/* ── Header (joseon-center) ── */
.site-header{background:#fff;border-bottom:1px solid var(--ink);position:sticky;top:0;z-index:50;}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:84px;position:relative;}
.logo{display:flex;align-items:center;gap:8px;position:absolute;left:50%;transform:translateX(-50%);}
.logo-icon{width:32px;height:32px;color:var(--accent);}
.logo-icon svg{width:100%;height:100%;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-brand{font-family:'Noto Serif KR',serif;font-size:19px;font-weight:700;letter-spacing:-0.02em;color:#000;}
.logo-keyword{font-size:.7rem;font-weight:400;color:var(--accent);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:28px;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:16px;letter-spacing:-0.035em;text-transform:uppercase;}
.main-nav a{white-space:nowrap;}
.nav-dropdown{position:relative;}
.nav-drop-btn{font:inherit;background:none;border:0;cursor:pointer;color:inherit;text-transform:uppercase;letter-spacing:-0.035em;padding:0;}
.nav-drop-panel{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);min-width:220px;padding:8px 0;flex-direction:column;box-shadow:0 12px 24px rgba(0,0,0,.08);}
.nav-dropdown:hover .nav-drop-panel{display:flex;}
.nav-drop-panel a{padding:10px 18px;font-size:14px;font-weight:600;text-transform:none;letter-spacing:-0.02em;}
.nav-drop-panel a:hover{background:var(--accent-soft);}
.btn-cta{background:var(--accent);color:#fff!important;padding:11px 22px;border-radius:0;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:22px;height:2px;background:#000;}
.mobile-nav-panel{display:none;flex-direction:column;padding:16px 24px 24px;border-top:1px solid var(--line);}
.mobile-nav-panel a{padding:10px 0;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:16px;text-transform:uppercase;border-bottom:1px solid #f0f0ee;}
.mobile-cat-label{padding-top:14px;font-size:12px;color:var(--muted);letter-spacing:.08em;}
.mobile-nav-panel .btn-cta{text-align:center;margin-top:14px;text-transform:uppercase;}

@media(max-width:900px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .logo{position:static;transform:none;}
  .site-header.open .mobile-nav-panel{display:flex;}
}

/* ── Hero (editorial-wide, hero_id=3) ── */
.hero-editorial{padding:64px 0 0;}
.hero-editorial .hero-top{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:end;margin-bottom:36px;}
.hero-editorial h1{font-size:clamp(34px,5vw,58px);line-height:1.2;}
.hero-editorial .hero-desc{font-size:16px;color:var(--muted);line-height:1.8;}
.hero-cta-row{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}
.btn-fill{background:var(--accent);color:#fff;padding:14px 26px;border-radius:0;font-weight:600;}
.btn-outline{border:1px solid #fff;color:#fff;padding:14px 26px;border-radius:0;font-weight:600;display:inline-block;}
.btn-outline-dark{border:1px solid var(--ink);color:var(--ink);padding:14px 26px;border-radius:0;font-weight:600;display:inline-block;}
.hero-check{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;font-size:14px;color:var(--muted);list-style:none;padding:0;}
.hero-check li{display:flex;align-items:center;gap:6px;}
.hero-editorial .hero-media{width:100%;aspect-ratio:16/7;overflow:hidden;border-radius:20px;}
.hero-editorial .hero-media img{width:100%;height:100%;object-fit:cover;}
@media(max-width:800px){
  .hero-editorial .hero-top{grid-template-columns:1fr;}
  .hero-editorial .hero-media{aspect-ratio:4/5;border-radius:14px;}
}

/* ── champions-city border hover ── */
.champions{position:relative;}
.champions::before,.champions::after{content:'';position:absolute;inset:0;pointer-events:none;}
.champions{border:1px solid transparent;}
.champions{transition:border-color .1s;}
.champions .cc-line{position:absolute;background:#000;transition:transform .6s ease;}
.champions .cc-top,.champions .cc-bottom{left:0;right:0;height:1px;transform:scaleX(0);}
.champions .cc-left,.champions .cc-right{top:0;bottom:0;width:1px;transform:scaleY(0);}
.champions .cc-top{top:0;transform-origin:left;}
.champions .cc-bottom{bottom:0;transform-origin:right;}
.champions .cc-left{left:0;transform-origin:top;}
.champions .cc-right{right:0;transform-origin:bottom;}
.champions:hover .cc-line{transform:scale(1);}

/* ── Why cards ── */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.why-card{background:#fff;padding:34px 28px;position:relative;}
.why-card h3{font-size:18px;margin-bottom:10px;}
.why-card p{font-size:14px;color:var(--muted);margin:0;}
@media(max-width:800px){.why-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.why-grid{grid-template-columns:1fr;}}

/* ── Why-us zigzag ── */
.whyus-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px;}
.whyus-row:last-child{margin-bottom:0;}
.whyus-row.rev .whyus-text{order:2;}
.whyus-row.rev .whyus-img{order:1;}
.whyus-text h3{font-size:22px;margin-bottom:12px;}
.whyus-text p{color:var(--muted);font-size:15px;line-height:1.8;}
.whyus-img{aspect-ratio:4/3;border-radius:16px;overflow:hidden;}
.whyus-img img{width:100%;height:100%;object-fit:cover;}
@media(max-width:800px){.whyus-row,.whyus-row.rev{grid-template-columns:1fr;}.whyus-row.rev .whyus-text{order:1;}.whyus-row.rev .whyus-img{order:2;}}

/* ── Courses (catalog-card variant, icon based) ── */
.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.course-card{background:#F9F7F3;padding:0;overflow:hidden;}
.course-card-top{background:#fff;padding:32px 24px 20px;}
.course-icon{width:44px;height:44px;flex-shrink:0;overflow:hidden;color:var(--accent);}
.course-icon svg{display:block;width:100%;height:100%;max-width:44px;max-height:44px;}
.course-card-bottom{padding:18px 24px 26px;}
.course-card-bottom h3{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:700;text-transform:uppercase;letter-spacing:.01em;margin:10px 0 8px;}
.course-card-bottom p{font-size:14px;color:var(--muted);margin:0 0 14px;}
.course-card-bottom .tag{font-size:12px;color:var(--accent);letter-spacing:.06em;}
@media(max-width:800px){.courses-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.courses-grid{grid-template-columns:1fr;}}

/* ── After / support cards ── */
.after-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.after-card{background:#fff;border:1px solid var(--line);padding:30px 26px;}
.after-card h3{font-size:17px;margin-bottom:10px;}
.after-card p{font-size:14px;color:var(--muted);margin:0;}
@media(max-width:800px){.after-grid{grid-template-columns:1fr;}}

/* ── About 2-col ── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.about-text p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:16px;}
.about-img{aspect-ratio:4/3;border-radius:16px;overflow:hidden;}
.about-img img{width:100%;height:100%;object-fit:cover;}
@media(max-width:800px){.about-grid{grid-template-columns:1fr;}}

/* ── Cases grid (home) ── */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{display:block;background:#fff;}
.case-card-img{aspect-ratio:1/1;border-radius:12px;overflow:hidden;}
.case-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.case-card:hover .case-card-img img{transform:scale(1.05);}
.case-card-body{padding:16px 4px 4px;}
.case-card-tag{font-size:12px;color:var(--accent);letter-spacing:.05em;}
.case-card-body h3{font-size:16px;margin-top:6px;font-family:'Pretendard',sans-serif;font-weight:700;}
@media(max-width:800px){.cases-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.cases-grid{grid-template-columns:1fr;}}
.section-cta{margin-top:36px;text-align:center;}

/* ── Process (fixed spec) ── */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.process-item{padding:28px 20px 28px 24px;border-right:1px solid var(--line);}
.process-item:first-child{padding-left:0;}
.process-item:last-child{border-right:none;}
.pnum{display:block;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px;}
.process-item h3{font-size:16px;font-weight:800;color:#22262B;margin:0 0 8px;font-family:'Pretendard',sans-serif;}
.process-item p{font-size:13.5px;color:var(--muted);line-height:1.65;margin:0;}
@media(max-width:767px){.process-list{grid-template-columns:1fr 1fr;}.process-item{padding:22px 16px 22px 16px;}.process-item:first-child{padding-left:16px;}}

/* ── FAQ ── */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:0;padding:22px 4px;font-size:16px;font-weight:600;text-align:left;cursor:pointer;font-family:'Pretendard',sans-serif;}
.faq-plus{font-size:20px;color:var(--accent);transition:transform .25s;}
.faq-item.open .faq-plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:300px;}
.faq-a p{padding:0 4px 22px;color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;}

/* ── related cats ── */
.related-cats{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0 40px;list-style:none;padding:0;}
.related-cats-label{font-size:13px;color:var(--muted);margin-right:4px;}
.related-cats a{font-size:13px;padding:7px 14px;border:1px solid var(--line);color:var(--accent);display:inline-block;}

/* ── Closing ── */
.closing{position:relative;height:650px;background-size:cover;background-position:center;}
.closing-overlay{position:absolute;inset:0;background:rgba(19,19,19,.55);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;}
.closing-overlay h2{color:#fff;font-size:clamp(24px,4vw,38px);max-width:720px;margin-bottom:16px;}
.closing-overlay p{color:#f2f2f2;font-size:15px;margin-bottom:26px;}

/* ── Footer ── */
.site-footer{background:#fff;color:#000;border-top:1px solid #E5E5E5;}
.footer-inner{display:flex;justify-content:space-between;gap:24px;padding:56px 24px;flex-wrap:wrap;}
.footer-brand{font-family:'Noto Serif KR',serif;font-size:19px;font-weight:700;margin-bottom:12px;}
.footer-col p{font-size:13.5px;color:var(--muted);margin:4px 0;}
.footer-table{border-collapse:collapse;font-size:13.5px;color:var(--muted);margin:8px 0;}
.footer-table th,.footer-table td{text-align:left;padding:3px 10px 3px 0;font-weight:400;}
.footer-table th{color:#333;font-weight:600;white-space:nowrap;}
.footer-contact{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:12px;}
.footer-phone{font-size:22px;font-weight:700;color:var(--accent);}
.footer-bottom{padding:18px 24px;font-size:12.5px;color:#999;border-top:1px solid #eee;}

/* ── mobile bottom bar ── */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;}
.mobile-bar a{flex:1;text-align:center;padding:16px 0;font-weight:700;font-size:15px;}
.mobile-bar{display:none;}
@media(max-width:767px){
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
  .mobile-bar .mb-consult{background:var(--accent);color:#fff;}
  .mobile-bar .mb-call{background:#000;color:#fff;}
}
@media(min-width:768px){.mobile-bar{display:none!important;}}

/* ── category / list page hero ── */
.page-hero{background:#F4F3EC;padding:64px 0 48px;}
.page-hero .eyebrow{margin-bottom:10px;}
.page-hero h1{font-size:clamp(28px,4vw,42px);}
.page-hero p{color:var(--muted);font-size:15px;margin-top:12px;max-width:640px;}
.body-copy{max-width:820px;margin:0 auto;padding:56px 24px 0;}
.body-copy p{font-size:15.5px;color:#333;line-height:1.9;margin-bottom:20px;}
.body-copy h2{font-size:20px;margin:40px 0 14px;}

/* ── Case list (editorial-card, list_variant=1) ── */
.case-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.ecard{display:block;background:#fff;}
.ecard-img{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;}
.ecard-img img{width:100%;height:100%;object-fit:cover;}
.ecard-badge{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;font-size:11px;padding:5px 10px;letter-spacing:.05em;}
.ecard-body{padding:16px 2px;}
.ecard-body h3{font-size:18px;margin-bottom:8px;}
.ecard-body p{font-size:13.5px;color:var(--muted);margin:0 0 10px;}
.ecard-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px;}
.ecard-tags span{font-size:11.5px;color:var(--accent);border:1px solid var(--accent-soft);padding:3px 9px;}
.ecard-bar{height:3px;background:var(--line);}
.ecard-bar span{display:block;height:100%;background:var(--accent);}
@media(max-width:900px){.case-list-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.case-list-grid{grid-template-columns:1fr;}}
.pagination{display:flex;justify-content:center;gap:10px;margin-top:56px;}
.pagination a,.pagination span{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;}
.pagination .current{background:#000;color:#fff;}

/* ── case hero (풀블리드) ── */
.case-hero{position:relative;height:360px;background-size:cover;background-position:center;}
.case-hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;}
.case-hero-title{color:#fff;font-size:clamp(24px,4vw,36px);margin:0;font-family:'Noto Serif KR',serif;font-weight:600;}

/* ── Case detail (apt-journal-detail typography, fixed structure) ── */
.kh-single{padding:0 0 0;}
.kh-single__thumb{max-width:720px;margin:0 auto 40px;border-radius:12px;overflow:hidden;}
.kh-single__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;background:#fff;}
.kh-single__wrap{max-width:760px;margin:0 auto;padding:44px 24px 0;}
.kh-single__index{font-size:13px;color:#888;letter-spacing:.04em;margin-bottom:14px;display:block;}
.kh-single__title{font-size:clamp(25px,3vw,28px);font-weight:700;line-height:1.35;margin:0 0 36px;font-family:'Noto Serif KR',serif;}
.kh-single__body{font-size:15px;font-weight:500;color:#333;line-height:1.9;}
.kh-single__body p{margin:0 0 18px;}
.kh-single__body h2{font-size:19px;margin-top:48px;margin-bottom:16px;font-family:'Noto Serif KR',serif;}
.kh-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px;margin:32px auto;}
.kh-gallery img{width:100%;height:auto;max-height:480px;object-fit:contain;background:transparent;border-radius:8px;cursor:pointer;aspect-ratio:4/3;object-fit:cover;}
@media(max-width:767px){.kh-gallery{grid-template-columns:1fr;}.kh-single__title{font-size:22px;}}

/* ── lightbox ── */
.lightbox-overlay{position:fixed;inset:0;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;z-index:200;}
.lightbox-overlay.open{display:flex;}
.lightbox-overlay img{max-width:92vw;max-height:88vh;object-fit:contain;}
.lightbox-close{position:absolute;top:20px;right:28px;color:#fff;font-size:32px;cursor:pointer;background:none;border:0;}
.lightbox-arrow{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:36px;background:none;border:0;cursor:pointer;padding:12px;}
.lightbox-prev{left:10px;}
.lightbox-next{right:10px;}

.info-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.info-table th,.info-table td{border:1px solid var(--line);padding:14px 16px;text-align:left;}
.info-table th{background:#F4F3EC;font-weight:700;}

/* section bg rotation helpers */
.bg-a{background:#F4F3EC;}
.bg-b{background:#F9F7F3;}
.bg-c{background:#F3F3F1;}
.bg-d{background:#FDFDFD;}