/* 메타커넥트교육연구소 — 공통 스타일 */
:root{
  --ink:#15241c; --muted:#5b6b62;
  --green-900:#0e4a30; --green-700:#15633d; --green-600:#1f7a4d; --green-500:#2e9e5b;
  --leaf:#7cba6b; --wood:#a9743f; --gold:#c19a4e;
  --cream:#f6f4ec; --sand:#ece6d8; --line:#e4e0d4;
  --kakao:#FEE500;
  --container:1120px; --radius:18px;
  --shadow-sm:0 2px 10px rgba(20,40,30,.06);
  --shadow:0 14px 40px rgba(14,74,48,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--ink); background:#fff;
  font-family:"Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  font-size:17px; line-height:1.75; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{font-family:"Gowun Batang","Pretendard",serif; line-height:1.25; letter-spacing:-.01em; font-weight:700}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
.container{max-width:var(--container); margin:0 auto; padding:0 20px}
.eyebrow{display:inline-block; font-size:.82rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color:var(--green-600); margin-bottom:14px}
.eyebrow::before{content:"●"; color:var(--leaf); margin-right:8px; font-size:.7em; vertical-align:1px}
.muted{color:var(--muted)}
.center{text-align:center}

/* buttons */
.btn{display:inline-flex; align-items:center; gap:8px; font-weight:700; font-size:1rem;
  padding:14px 26px; border-radius:999px; border:1px solid transparent; cursor:pointer; transition:.2s; white-space:nowrap}
.btn-kakao{background:var(--kakao); color:#3a1d1d}
.btn-kakao:hover{filter:brightness(.96); transform:translateY(-1px)}
.btn-primary{background:var(--green-700); color:#fff}
.btn-primary:hover{background:var(--green-600); transform:translateY(-1px); box-shadow:var(--shadow)}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line)}
.btn-ghost:hover{border-color:var(--green-600); color:var(--green-700)}
.btn-lg{padding:16px 32px; font-size:1.05rem}

/* header */
header.site{position:sticky; top:0; z-index:50; background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(12px); border-bottom:1px solid var(--line)}
.nav{display:flex; align-items:center; justify-content:space-between; height:68px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800}
.brand .logo{width:34px;height:34px}
.brand-logo{height:42px; width:auto; display:block}
@media(max-width:560px){.brand-logo{height:34px}}
.ft-logo{height:46px; width:auto; display:block; margin-bottom:16px}
.brand b{font-family:"Gowun Batang",serif; font-size:1.12rem; letter-spacing:-.02em}
.brand small{display:block; font-size:.66rem; color:var(--green-600); letter-spacing:.12em; font-weight:700}
.nav-links{display:flex; align-items:center; gap:28px}
.nav-links a{font-weight:600; font-size:.97rem; color:#33453b}
.nav-links a:hover,.nav-links a.active{color:var(--green-700)}
.nav-cta{display:flex; align-items:center; gap:10px}
.menu-btn{display:none; background:none; border:0; cursor:pointer; padding:8px}
.menu-btn span{display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition:.25s}
@media(max-width:860px){
  .nav-links{position:fixed; inset:68px 0 auto 0; flex-direction:column; gap:0; background:#fff;
    border-bottom:1px solid var(--line); padding:8px 20px 18px; transform:translateY(-130%); transition:.3s; box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%; padding:14px 0; border-bottom:1px solid var(--cream)}
  .nav .nav-cta .btn:not(.btn-kakao){display:none}
  .menu-btn{display:block}
}

/* hero */
.hero{position:relative; color:#fff; overflow:hidden}
.hero-bg{position:absolute; inset:0; z-index:0}
.hero-bg img{width:100%; height:100%; object-fit:cover}
.hero-bg::after{content:""; position:absolute; inset:0;
  background:linear-gradient(110deg,rgba(8,40,26,.92) 0%,rgba(14,74,48,.78) 45%,rgba(20,99,61,.45) 100%)}
.hero-inner{position:relative; z-index:1; padding:96px 0 104px; max-width:720px}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.5rem); color:#fff; margin:0 0 18px}
.hero h1 .hl{color:var(--leaf)}
.hero p.lead{font-size:clamp(1.05rem,2.2vw,1.25rem); color:#e7f0e8; margin:0 0 30px}
.hero-cta{display:flex; flex-wrap:wrap; gap:12px}
.hero-badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:34px}
.hero-badges span{font-size:.85rem; font-weight:600; background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22); padding:7px 14px; border-radius:999px; backdrop-filter:blur(4px)}

/* sections */
section{padding:84px 0}
section.tight{padding:60px 0}
.bg-cream{background:var(--cream)}
.bg-green{background:var(--green-900); color:#eaf2ec}
.bg-green h2,.bg-green h3{color:#fff}
.sec-head{max-width:680px; margin:0 0 44px}
.sec-head.center{margin-left:auto; margin-right:auto}
h2.title{font-size:clamp(1.7rem,3.6vw,2.4rem); margin:0 0 14px}
.sec-head p{color:var(--muted); margin:0; font-size:1.05rem}
.bg-green .sec-head p{color:#bcd3c4}

/* grids */
.grid{display:grid; gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* feature cards */
.card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px 26px;
  box-shadow:var(--shadow-sm); transition:.25s}
.card:hover{transform:translateY(-4px); box-shadow:var(--shadow); border-color:#d8e4d6}
.card .ic{width:50px; height:50px; border-radius:14px; display:grid; place-items:center;
  background:#eaf3ec; color:var(--green-700); margin-bottom:16px}
.card h3{font-size:1.18rem; margin:0 0 8px}
.card p{margin:0; color:var(--muted); font-size:.97rem}

/* signature split */
.split{display:grid; grid-template-columns:1.05fr 1fr; gap:40px; align-items:center}
.split.rev{grid-template-columns:1fr 1.05fr}
@media(max-width:860px){.split,.split.rev{grid-template-columns:1fr; gap:24px}}
.split img{border-radius:var(--radius); box-shadow:var(--shadow); width:100%; aspect-ratio:4/3; object-fit:cover}
.split h3{font-size:clamp(1.4rem,3vw,1.9rem); margin:0 0 14px}
.tagrow{display:flex; flex-wrap:wrap; gap:8px; margin-top:18px}
.tag{font-size:.85rem; font-weight:600; color:var(--green-700); background:#eaf3ec; padding:6px 13px; border-radius:999px}

/* stats */
.stats{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{text-align:center; padding:14px}
.stat .num{font-family:"Gowun Batang",serif; font-size:clamp(2rem,5vw,2.8rem); font-weight:700; color:var(--leaf); line-height:1}
.stat .lab{margin-top:8px; font-size:.95rem; color:#cfe0d3}
.bg-cream .stat .num{color:var(--green-700)} .bg-cream .stat .lab{color:var(--muted)}

/* program list (services) */
.prog{display:grid; gap:14px}
.prog-item{display:flex; gap:16px; align-items:flex-start; background:#fff; border:1px solid var(--line);
  border-radius:14px; padding:20px 22px}
.prog-item .b{min-width:42px; height:42px; border-radius:11px; background:#eaf3ec; color:var(--green-700);
  display:grid; place-items:center; font-weight:800}
.prog-item h4{margin:0 0 4px; font-size:1.08rem; font-family:"Pretendard"}
.prog-item p{margin:0; color:var(--muted); font-size:.95rem}

/* instructors */
.tutor{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-sm)}
.tutor .av{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--green-600),var(--leaf));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:1.3rem;font-family:"Gowun Batang",serif;margin-bottom:14px}
.tutor h4{margin:0 0 2px; font-size:1.15rem}
.tutor .role{color:var(--green-600); font-weight:600; font-size:.9rem; margin-bottom:12px}
.tutor ul{margin:0; padding-left:18px; color:var(--muted); font-size:.92rem; line-height:1.7}

/* gallery */
.gallery{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
@media(max-width:860px){.gallery{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.gallery{grid-template-columns:repeat(2,1fr)}}
.gallery figure{margin:0; position:relative; overflow:hidden; border-radius:14px; cursor:pointer; aspect-ratio:1; background:var(--sand)}
.gallery img{width:100%; height:100%; object-fit:cover; transition:.4s}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figcaption{position:absolute; inset:auto 0 0 0; padding:18px 12px 10px; font-size:.8rem; color:#fff;
  background:linear-gradient(transparent,rgba(8,40,26,.85)); opacity:0; transition:.3s}
.gallery figure:hover figcaption{opacity:1}
/* lightbox */
.lb{position:fixed; inset:0; background:rgba(8,20,14,.92); display:none; z-index:100; align-items:center; justify-content:center; padding:24px}
.lb.open{display:flex}
.lb img{max-width:92vw; max-height:86vh; border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb .x{position:absolute; top:18px; right:24px; color:#fff; font-size:2rem; cursor:pointer; line-height:1}
.lb .cap{position:absolute; bottom:24px; left:0; right:0; text-align:center; color:#dfeae1; font-size:.95rem}

/* FAQ */
.faq{max-width:780px; margin:0 auto}
.faq details{border-bottom:1px solid var(--line); padding:6px 0}
.faq summary{list-style:none; cursor:pointer; font-weight:700; font-size:1.08rem; padding:18px 36px 18px 4px; position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+"; position:absolute; right:6px; top:14px; font-size:1.5rem; color:var(--green-600); transition:.2s; font-weight:400}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 4px 18px; color:var(--muted)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--green-900),var(--green-700)); color:#fff; border-radius:24px;
  padding:54px 44px; text-align:center; box-shadow:var(--shadow)}
.cta-band h2{color:#fff; font-size:clamp(1.6rem,3.4vw,2.2rem); margin:0 0 12px}
.cta-band p{color:#cfe3d4; margin:0 0 26px; font-size:1.05rem}
.cta-band .hero-cta{justify-content:center}

/* info / map */
.info-grid{display:grid; grid-template-columns:1fr 1fr; gap:28px}
@media(max-width:860px){.info-grid{grid-template-columns:1fr}}
.info-list{list-style:none; padding:0; margin:0}
.info-list li{display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line)}
.info-list .k{min-width:90px; font-weight:700; color:var(--green-700)}
.mapframe{width:100%; aspect-ratio:4/3; border:0; border-radius:var(--radius); box-shadow:var(--shadow-sm)}

/* form */
.form{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px; box-shadow:var(--shadow-sm)}
.form .row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
@media(max-width:560px){.form .row{grid-template-columns:1fr}}
.field{margin-bottom:14px}
.field label{display:block; font-weight:600; font-size:.92rem; margin-bottom:6px}
.field input,.field select,.field textarea{width:100%; padding:12px 14px; border:1px solid var(--line);
  border-radius:10px; font:inherit; font-size:.97rem; background:#fcfcfa}
.field input:focus,.field select:focus,.field textarea:focus{outline:none; border-color:var(--green-600); box-shadow:0 0 0 3px rgba(46,158,91,.15)}
.field textarea{min-height:110px; resize:vertical}
.form .note{font-size:.84rem; color:var(--muted); margin:10px 0 0}

/* floating kakao */
.float-kakao{position:fixed; right:18px; bottom:18px; z-index:60; display:flex; align-items:center; gap:9px;
  background:var(--kakao); color:#3a1d1d; font-weight:800; padding:13px 20px; border-radius:999px;
  box-shadow:0 10px 28px rgba(20,40,30,.28); transition:.2s}
.float-kakao:hover{transform:translateY(-2px)}
.float-kakao svg{width:22px;height:22px}

/* footer */
footer.site{background:var(--ink); color:#c7d2cb; padding:56px 0 30px; font-size:.93rem}
footer.site .ft{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:30px; margin-bottom:34px}
@media(max-width:760px){footer.site .ft{grid-template-columns:1fr; gap:22px}}
footer.site h4{color:#fff; font-family:"Pretendard"; font-size:1rem; margin:0 0 14px}
footer.site a:hover{color:#fff}
footer.site .ft ul{list-style:none; margin:0; padding:0; line-height:2}
footer.site .biz{font-size:.82rem; color:#8ea096; line-height:1.9}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.1); padding-top:20px; display:flex;
  flex-wrap:wrap; justify-content:space-between; gap:10px; align-items:center; font-size:.85rem; color:#9aaaa1}
footer.site .legal a{color:#c7d2cb; font-weight:600}
footer.site .legal a strong{color:#fff}
footer.site .credit a{color:var(--leaf); font-weight:700}

/* reveal */
.reveal{opacity:0; transform:translateY(22px); transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1; transform:none}