@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700&family=Noto+Serif+KR:wght@600;700&display=swap');

:root{
  --accent:#2A3048;
  --accent-soft:#E9ECF4;
  --ink:#000000;
  --text:#333333;
  --muted:#5B6169;
  --line:#E5E5E5;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Noto Serif KR',serif;font-weight:600;color:#111;margin:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- section label ---------- */
.section-label{
  display:inline-block;
  font-family:'Barlow Condensed',sans-serif;
  font-weight:600;
  font-size:13px;
  letter-spacing:0.08em;
  color:var(--accent);
  margin-bottom:10px;
}
.section-head{margin-bottom:44px;}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.35;}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--muted);max-width:640px;}
.section{padding:88px 0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{display:flex;align-items:center;gap:8px;}
.logo-icon{width:32px;height:32px;color:var(--accent);flex-shrink:0;overflow:hidden;}
.logo-icon svg{display:block;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:11px;font-weight:400;color:var(--accent);letter-spacing:0.04em;}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav>ul{display:flex;align-items:center;gap:34px;}
.main-nav a{
  font-family:'Barlow Condensed',sans-serif;
  font-size:16px;font-weight:600;letter-spacing:-0.035em;text-transform:uppercase;
}
.has-sub{position:relative;}
.sub-nav{
  display:none;position:absolute;top:100%;left:0;background:#fff;
  border:1px solid var(--line);min-width:220px;padding:10px 0;box-shadow:0 12px 24px rgba(0,0,0,.06);
}
.has-sub:hover .sub-nav,.has-sub:focus-within .sub-nav{display:block;}
.sub-nav li a{
  display:block;padding:10px 18px;font-size:14px;font-weight:600;letter-spacing:-0.035em;text-transform:uppercase;
}
.sub-nav li a:hover{background:var(--accent-soft);color:var(--accent);}
.nav-cta{
  font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:15px;letter-spacing:0.02em;
  background:var(--accent);color:#fff;padding:12px 22px;text-transform:uppercase;
}
.nav-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:#000;}
.mobile-nav{display:none;}

@media(max-width:900px){
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
  .mobile-nav.open{
    display:block;position:fixed;inset:76px 0 0 0;background:#fff;z-index:60;overflow:auto;padding:20px 24px 100px;
  }
  .mobile-nav ul{display:flex;flex-direction:column;gap:2px;}
  .mobile-nav a{
    display:block;padding:14px 4px;border-bottom:1px solid var(--line);
    font-family:'Barlow Condensed',sans-serif;font-size:18px;font-weight:600;text-transform:uppercase;
  }
  .mobile-nav .sub-nav-m{padding-left:14px;}
  .mobile-nav .sub-nav-m a{font-size:15px;color:var(--muted);border-bottom:none;padding:8px 4px;}
}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{display:none;}
@media(max-width:767px){
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:55;height:60px;
  }
  .mb-btn{
    flex:1;display:flex;align-items:center;justify-content:center;
    font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:16px;letter-spacing:0.02em;
    background:#fff;color:var(--accent);border-top:1px solid var(--line);
  }
  .mb-btn-accent{background:var(--accent);color:#fff;}
  body{padding-bottom:60px;}
}

/* ---------- hero (hero_id=1 스플릿카드) ---------- */
.hero-split{background:#fff;}
.hero-split-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;min-height:560px;
}
.hero-card{
  background:var(--accent-soft);display:flex;flex-direction:column;justify-content:center;
  padding:64px 56px;
}
.hero-card h1{font-size:clamp(30px,4vw,46px);line-height:1.3;margin-bottom:20px;}
.hero-sub{font-size:16px;color:var(--muted);line-height:1.75;max-width:480px;margin-bottom:26px;}
.hero-checks{display:flex;flex-direction:column;gap:10px;margin-bottom:32px;}
.hero-checks li{font-size:14.5px;color:#3a3f47;padding-left:22px;position:relative;}
.hero-checks li::before{content:'';position:absolute;left:0;top:6px;width:12px;height:12px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg);}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.hero-media{position:relative;overflow:hidden;background:#111;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
@media(max-width:900px){
  .hero-split-inner{grid-template-columns:1fr;min-height:auto;}
  .hero-card{padding:48px 24px;}
  .hero-media{height:320px;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:15px 28px;font-family:'Pretendard',sans-serif;font-weight:700;font-size:15px;
  border-radius:0;border:1px solid transparent;cursor:pointer;
}
.btn-accent{background:var(--accent);color:#fff;}
.btn-outline{background:transparent;border:1px solid #222;color:#111;}
.btn-white-outline{background:transparent;border:1px solid #fff;color:#fff;}

/* ---------- champions city hover border ---------- */
.cc-hover{position:relative;}
.cc-hover::before,.cc-hover::after{content:'';position:absolute;pointer-events:none;}
.cc-hover::before{top:0;bottom:0;left:50%;width:0;border-top:1px solid #000;border-bottom:1px solid #000;transition:width .6s ease,left .6s ease;}
.cc-hover::after{left:0;right:0;top:50%;height:0;border-left:1px solid #000;border-right:1px solid #000;transition:height .6s ease,top .6s ease;}
.cc-hover:hover::before{width:100%;left:0;}
.cc-hover:hover::after{height:100%;top:0;}

/* ---------- card box ---------- */
.card-box{
  background:#fff;border:1px solid var(--line);padding:32px 26px;position:relative;
}
.card-box h3{font-size:18px;margin-bottom:10px;}
.card-box p{font-size:14.5px;color:var(--muted);margin:0;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr;}}

/* ---------- course card icon ---------- */
.course-icon{display:block;width:44px;height:44px;flex-shrink:0;overflow:hidden;margin-bottom:16px;color:var(--accent);}
.course-icon svg{display:block;width:100%;height:100%;max-width:44px;max-height:44px;}
@media(max-width:767px){.course-icon{width:36px;height:36px;}.course-icon svg{max-width:36px;max-height:36px;}}

/* ---------- why-us zigzag ---------- */
.zigzag-item{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px;}
.zigzag-item:last-child{margin-bottom:0;}
.zigzag-item:nth-child(even){direction:rtl;}
.zigzag-item:nth-child(even) *{direction:ltr;}
.zigzag-media{overflow:hidden;border-radius:12px;aspect-ratio:4/3;}
.zigzag-media img{width:100%;height:100%;object-fit:cover;}
.zigzag-text h3{font-size:22px;margin-bottom:14px;}
.zigzag-text p{font-size:15px;color:var(--muted);line-height:1.8;}
@media(max-width:767px){
  .zigzag-item,.zigzag-item:nth-child(even){grid-template-columns:1fr;direction:ltr;}
}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about-grid img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;width:100%;}
.about-grid p{margin-bottom:16px;font-size:15px;color:var(--muted);line-height:1.85;}
@media(max-width:767px){.about-grid{grid-template-columns:1fr;}}

/* ---------- home cases 3열 ---------- */
.case-card{background:#fff;position:relative;}
.case-card figure{margin:0;overflow:hidden;border-radius:12px;aspect-ratio:1/1;}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover img{transform:scale(1.05);}
.case-card .case-cap{padding:16px 4px 0;}
.case-card .case-cap h3{font-size:16px;margin-bottom:4px;}
.case-card .case-cap span{font-size:13px;color:var(--muted);}

/* ---------- PROCESS (고정 CSS) ---------- */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #E0E0DC;}
.process-item{padding:28px 20px 28px 24px;border-right:1px solid #E0E0DC;}
.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:#5B6169;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);padding:6px 0;}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
  padding:18px 4px;font-size:16px;font-weight:700;color:#111;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';font-size:22px;color:var(--accent);font-weight:400;}
.faq-item[open] summary::after{content:'–';}
.faq-item .faq-a{padding:0 4px 20px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- closing ---------- */
.closing{
  position:relative;height:520px;display:flex;align-items:center;justify-content:center;text-align:center;
  background-size:cover;background-position:center;
}
.closing::before{content:'';position:absolute;inset:0;background:rgba(19,19,19,.55);}
.closing-inner{position:relative;color:#fff;z-index:1;padding:0 20px;}
.closing-inner h2{font-size:clamp(24px,3.4vw,36px);color:#fff;margin-bottom:14px;}
.closing-inner p{font-size:15px;color:#eee;margin-bottom:26px;}

/* ---------- footer ---------- */
.site-footer{background:#fff;color:#000;border-top:1px solid var(--line);padding:56px 0 32px;font-size:13.5px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px;}
.footer-biz p{margin:4px 0;color:#444;}
.footer-biz .fb-name{font-weight:700;color:#000;font-size:15px;margin-bottom:8px;}
.footer-col h4{font-size:14px;margin-bottom:12px;font-family:'Pretendard',sans-serif;}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid var(--line);padding-top:18px;color:#888;font-size:12.5px;}
@media(max-width:767px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- category / list page hero (no photo) ---------- */
.page-hero{background:var(--accent-soft);padding:64px 0 48px;}
.page-hero h1{font-size:clamp(26px,3.6vw,38px);}
.page-hero .section-label{margin-bottom:12px;}

/* ---------- 교육사례 목록 가변폭 ---------- */
.case-list-grid{display:flex;flex-wrap:wrap;gap:20px;}
.cl-item{}
.cl-30{flex:0 0 calc(30% - 14px);}
.cl-68{flex:0 0 calc(68% - 7px);}
.cl-49{flex:0 0 calc(49% - 10px);}
.cl-item figure{margin:0;overflow:hidden;border-radius:12px;}
.cl-30 figure{aspect-ratio:5/6;}
.cl-68 figure{aspect-ratio:9.45/5;}
.cl-49 figure{aspect-ratio:7/6;}
.cl-item img{width:100%;height:100%;object-fit:cover;}
.cl-item .cl-cap{padding:14px 2px 0;}
.cl-item .cl-cap h3{font-size:16px;margin-bottom:4px;}
.cl-item .cl-cap span{font-size:12.5px;color:var(--muted);}
@media(max-width:767px){.cl-30,.cl-68,.cl-49{flex:0 0 100%;}}

.pagination{display:flex;justify-content:center;gap:10px;margin-top:48px;}
.pagination a,.pagination span{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;
}
.pagination .current{background:#000;color:#fff;}

/* ---------- 교육사례 상세 (고정 CSS) ---------- */
.kh-single__index{font-size:13px;color:#888;letter-spacing:.04em;margin-bottom:14px;display:block;}
.kh-single__title{font-size:28px;font-weight:800;line-height:1.35;margin-top:0;margin-bottom:36px;font-family:'Noto Serif KR',serif;}
.kh-single__thumb{max-width:720px;margin:0 auto 40px;border-radius:12px;overflow:hidden;background:#fff;}
.kh-single__thumb img{width:100%;height:auto;max-height:520px;object-fit:contain;background:#fff;border-radius:12px;}
.kh-single__body{font-size:15.5px;color:#374151;line-height:1.9;max-width:760px;margin:0 auto;}
.kh-single__body h2{margin-top:48px;margin-bottom:16px;font-size:20px;}
.related-links{max-width:760px;margin:0 auto 32px;display:flex;gap:10px;flex-wrap:wrap;}
.related-links a{font-size:13px;padding:8px 14px;background:var(--accent-soft);color:var(--accent);font-weight:700;}
.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:#fff;border-radius:8px;cursor:pointer;}
@media(max-width:767px){
  .kh-gallery{grid-template-columns:1fr;}
  .kh-single__title{font-size:22px;}
}
.related-row{max-width:1000px;margin:56px auto 0;}
.case-cta{text-align:center;margin:56px auto 0;}

/* ---------- lightbox ---------- */
.lb-overlay{position:fixed;inset:0;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;z-index:999;}
.lb-overlay.open{display:flex;}
.lb-overlay img{max-width:92vw;max-height:88vh;object-fit:contain;}
.lb-close{position:absolute;top:20px;right:28px;color:#fff;font-size:34px;cursor:pointer;background:none;border:0;line-height:1;}
.lb-arrow{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:40px;cursor:pointer;background:none;border:0;padding:10px 16px;}
.lb-prev{left:10px;}
.lb-next{right:10px;}

/* ---------- misc ---------- */
.center-cta{text-align:center;}
table.aeo-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;}
table.aeo-table th,table.aeo-table td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
table.aeo-table th{background:#F9F7F3;}