:root{
  --navy:#0f1f33;
  --navy-2:#152a45;
  --navy-soft:#1c3352;
  --gold:#c9a227;
  --gold-soft:#e4c869;
  --cream:#faf7ef;
  --ink:#20242c;
  --gray:#5c6472;
  --line:#e6e1d3;
  --radius:14px;
  --maxw:1180px;
  --shadow:0 10px 30px rgba(15,31,51,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans KR',sans-serif;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Noto Serif KR',serif;color:var(--navy);line-height:1.35;margin:0 0 .5em}
h1{font-size:clamp(30px,5vw,52px);font-weight:700}
h2{font-size:clamp(24px,3.2vw,34px);font-weight:700}
h3{font-size:clamp(18px,2.2vw,22px);font-weight:600}
p{line-height:1.75;color:var(--gray);margin:0 0 1em}
ul,ol{line-height:1.75;color:var(--gray)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.eyebrow{display:inline-block;color:var(--gold);font-weight:700;letter-spacing:.06em;font-size:14px;margin-bottom:12px;text-transform:uppercase}
.center{text-align:center}
.lead{font-size:18px;color:var(--gray);max-width:680px}
.center .lead{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:600;font-size:16px;min-height:44px;transition:transform .2s ease,box-shadow .2s ease;border:1px solid transparent;cursor:pointer}
.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 8px 22px rgba(201,162,39,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,162,39,.45)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{transform:translateY(-2px)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(15,31,51,.97);backdrop-filter:blur(6px);border-bottom:1px solid rgba(201,162,39,.25)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{border-radius:50%}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{color:#fff;font-weight:700;font-size:16px;font-family:'Noto Serif KR',serif}
.brand-slogan{color:var(--gold-soft);font-size:11px;letter-spacing:.02em}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav ul{list-style:none;display:flex;gap:20px;margin:0;padding:0}
.site-nav a{color:#dfe6f0;font-size:14.5px;font-weight:500;padding:6px 2px;border-bottom:2px solid transparent}
.site-nav a:hover,.site-nav a.active{color:var(--gold-soft);border-color:var(--gold)}
.nav-cta{padding:10px 22px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;min-width:44px;min-height:44px;justify-content:center;align-items:center}
.nav-toggle span{width:24px;height:2px;background:#fff;display:block}

/* Hero */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 60%,var(--navy-soft) 100%);color:#fff;padding:110px 0 90px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(201,162,39,.18),transparent 55%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.hero-copy .eyebrow{color:var(--gold-soft)}
.hero h1{color:#fff;font-size:clamp(32px,4.6vw,54px);margin-bottom:18px}
.hero-sub{color:#cdd6e3;font-size:18px;max-width:520px;margin-bottom:30px;line-height:1.7}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.35);aspect-ratio:4/5}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* Trust bar */
.trust-bar{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{padding:30px 20px;text-align:center;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:0}
.trust-num{font-family:'Noto Serif KR',serif;font-size:30px;font-weight:700;color:var(--navy)}
.trust-num span{color:var(--gold)}
.trust-label{font-size:14px;color:var(--gray);margin-top:6px}

/* Counter */
.counter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.counter-card{background:var(--navy);border-radius:var(--radius);padding:40px 28px;text-align:center;color:#fff;box-shadow:var(--shadow)}
.counter-value{font-family:'Noto Serif KR',serif;font-size:44px;font-weight:700;color:var(--gold-soft)}
.counter-label{margin-top:10px;color:#d7deea;font-size:15px}

/* 3-card / grid */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.card .num{color:var(--gold);font-family:'Noto Serif KR',serif;font-weight:700;font-size:22px;margin-bottom:10px;display:block}
.card h3{margin-bottom:10px}
.card p{margin:0;font-size:15px}

/* curriculum preview */
.curri-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.curri-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;background:var(--cream)}
.curri-card h3{font-size:17px;margin-bottom:8px}
.curri-card p{font-size:14.5px;margin:0}
.curri-link{margin-top:36px;text-align:center}

/* director message */
.director{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.director-photo{border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.director-quote{font-family:'Noto Serif KR',serif;font-size:22px;color:var(--navy);line-height:1.6;border-left:4px solid var(--gold);padding-left:22px;margin:20px 0}
.signature{color:var(--gold);font-family:'Noto Serif KR',serif;font-weight:700;margin-top:18px}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.gallery-item{border-radius:14px;overflow:hidden;aspect-ratio:1/1;box-shadow:var(--shadow)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery-item:hover img{transform:scale(1.06)}

/* testimonial */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.testi-quote{font-family:'Noto Serif KR',serif;font-size:17px;color:var(--navy);margin-bottom:16px}
.testi-name{font-size:14px;color:var(--gray);font-weight:600}

/* final CTA */
.final-cta{background:linear-gradient(120deg,var(--gold) 0%,var(--gold-soft) 100%);color:var(--navy);text-align:center}
.final-cta h2{color:var(--navy)}
.final-cta p{color:#3a3010;font-size:17px}
.badge{display:inline-block;background:var(--navy);color:#fff;padding:8px 18px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}

/* generic page hero (sub pages) */
.page-hero{background:linear-gradient(160deg,var(--navy),var(--navy-soft));color:#fff;padding:74px 0;text-align:center}
.page-hero h1{color:#fff}
.page-hero p{color:#cdd6e3;max-width:640px;margin:0 auto}
.breadcrumb{font-size:13px;color:var(--gold-soft);margin-bottom:14px}
.breadcrumb a{color:#cdd6e3}

/* tables */
table.data-table{width:100%;border-collapse:collapse;margin:28px 0;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
table.data-table th,table.data-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:15px}
table.data-table th{background:var(--navy);color:#fff;font-weight:600}
table.data-table tr:last-child td{border-bottom:0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* timeline */
.timeline{position:relative;margin-top:44px;padding-left:28px;border-left:2px solid var(--gold)}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-item::before{content:"";position:absolute;left:-35px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--gold)}
.timeline-year{color:var(--gold);font-weight:700;font-family:'Noto Serif KR',serif}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;box-shadow:var(--shadow);position:relative}
.step-num{width:38px;height:38px;border-radius:50%;background:var(--navy);color:var(--gold-soft);display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 14px}

/* faq accordion */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 4px;font-family:'Noto Serif KR',serif;font-size:17px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;min-height:44px}
.faq-q::after{content:"+";color:var(--gold);font-size:22px}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding:0 4px 20px;margin:0}

/* callout / blockquote */
blockquote,.callout{background:var(--cream);border-left:4px solid var(--gold);padding:20px 24px;border-radius:0 12px 12px 0;margin:24px 0;font-size:15.5px}
blockquote p,.callout p{margin:0;color:var(--ink)}

/* article/blog cards */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.blog-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.blog-thumb{aspect-ratio:16/10;overflow:hidden}
.blog-thumb img{width:100%;height:100%;object-fit:cover}
.blog-body{padding:22px}
.blog-body h3{font-size:17px;margin-bottom:8px}
.blog-body p{font-size:14px;margin:0 0 14px}
.blog-more{font-size:13.5px;color:var(--gold);font-weight:700}

/* article page */
.article-hero{background:var(--navy);color:#fff;padding:60px 0 40px}
.article-hero h1{color:#fff;max-width:820px;margin:0 auto}
.article-meta{color:var(--gold-soft);font-size:14px;margin-bottom:16px}
.article-cover{max-width:820px;margin:-40px auto 0;padding:0 24px;position:relative;z-index:2}
.article-cover img{border-radius:16px;box-shadow:var(--shadow);aspect-ratio:16/9;object-fit:cover;width:100%}
.article-wrap{max-width:820px;margin:0 auto;padding:50px 24px}
.article-wrap h2{margin-top:44px;padding-top:6px;border-top:1px solid var(--line)}
.article-wrap h2:first-child{border-top:0;margin-top:0}
.article-wrap p{font-size:17px}
.article-wrap img{border-radius:14px;margin:20px 0;box-shadow:var(--shadow)}
.article-wrap ul,.article-wrap ol{padding-left:22px;font-size:16px}
.article-wrap li{margin-bottom:8px}
.toc{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;margin-bottom:40px}
.toc h2{font-size:17px;margin-bottom:12px;border:0;padding:0}
.toc ol{margin:0;padding-left:20px;font-size:15px}
.summary-box{background:var(--navy);color:#fff;border-radius:var(--radius);padding:24px 26px;margin-bottom:36px}
.summary-box h2{color:var(--gold-soft);font-size:16px;border:0;margin-bottom:10px}
.summary-box ul{color:#dfe6f0;margin:0;padding-left:20px}
.related-posts{max-width:820px;margin:0 auto;padding:0 24px 70px}
.related-posts h2{border:0;padding:0}

/* mini bar chart */
.bar-chart{margin:22px 0}
.bar-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.bar-label{width:130px;font-size:13.5px;color:var(--gray);flex-shrink:0}
.bar-track{flex:1;background:var(--line);border-radius:8px;height:14px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-soft));border-radius:8px}
.bar-value{width:52px;text-align:right;font-size:13px;color:var(--navy);font-weight:700;flex-shrink:0}

/* footer */
.site-footer{background:var(--navy);color:#c9d2e0;padding:60px 0 0}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px;font-family:'Noto Sans KR',sans-serif}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a:hover{color:var(--gold-soft)}
.footer-brand .brand-name{display:flex;align-items:center;gap:10px;color:#fff;font-family:'Noto Serif KR',serif;font-weight:700;font-size:17px;margin-bottom:10px}
.footer-brand p{color:#9aa7bb;font-size:13.5px;margin:4px 0}
.footer-notices{max-width:var(--maxw);margin:40px auto 0;padding:20px 24px;border-top:1px solid rgba(255,255,255,.12)}
.footer-notices p{color:#8b97ab;font-size:12px;margin:4px 0}
.footer-bottom{text-align:center;padding:20px 24px;color:#7c879b;font-size:12.5px;border-top:1px solid rgba(255,255,255,.08);margin-top:10px}

/* page content generic (about/curriculum/etc.) */
.page-content{max-width:var(--maxw);margin:0 auto;padding:70px 24px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.icon-list{list-style:none;padding:0;margin:20px 0}
.icon-list li{padding-left:30px;position:relative;margin-bottom:14px;font-size:15.5px;color:var(--gray)}
.icon-list li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}

.form-page{max-width:640px;margin:0 auto;padding:60px 24px}
.form-page label{display:block;font-weight:600;color:var(--navy);margin:16px 0 6px;font-size:14.5px}
.form-page input,.form-page select,.form-page textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;min-height:44px}
.form-page textarea{min-height:110px}
.form-page .btn{width:100%;margin-top:22px}

/* legal pages */
.legal-content{max-width:780px;margin:0 auto;padding:60px 24px}
.legal-content h2{margin-top:36px}
.legal-content p,.legal-content li{color:var(--gray);font-size:15px}

/* responsive */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr}
  .hero-media{order:-1;aspect-ratio:16/9}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(3){border-left:0}
  .counter-grid{grid-template-columns:1fr}
  .card-grid-3{grid-template-columns:1fr}
  .curri-grid{grid-template-columns:repeat(2,1fr)}
  .director{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .site-nav{position:fixed;top:65px;left:0;right:0;background:var(--navy);flex-direction:column;align-items:flex-start;padding:20px 24px;transform:translateY(-120%);opacity:0;transition:all .25s ease;border-bottom:1px solid rgba(201,162,39,.25);pointer-events:none}
  .site-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .site-nav ul{flex-direction:column;gap:14px;width:100%}
  .nav-cta{margin-top:16px;width:100%}
  .nav-toggle{display:flex}
  .hero{padding:70px 0 60px}
  .section{padding:56px 0}
  .trust-grid{grid-template-columns:1fr 1fr}
  .curri-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}