:root{
    --blue:#0C60A8; --blue-deep:#0A4E88;
    --green:#189C18; --green-deep:#127812;
    --darkgreen:#004824; --lime:#90C018; --sky:#30A8D8; --sky-ink:#1f7da0; --navy:#242478;
    --ink:#152128; --muted:#4d5a61; --line:#e2e8ec; --soft:#f4f7fa; --paper:#fff;
    --f-head:"Do Hyeon",system-ui,sans-serif;
    --f-body:"Pretendard Variable",Pretendard,system-ui,-apple-system,sans-serif;
    
    --fs-hero:clamp(34px,5vw,56px); --fs-h2:clamp(26px,3.4vw,36px); --fs-h3:20px; --fs-body:17px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:var(--f-body);color:var(--ink);background:var(--paper);line-height:1.7;font-size:var(--fs-body);-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1140px;margin:0 auto;padding:0 24px}
  section{padding:100px 0}
  h1,h2,h3{font-family:var(--f-head);font-weight:400;letter-spacing:-.01em;line-height:1.28}
  

  /* nav */
  .nav{position:fixed;top:0;left:0;right:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
  .brand img{height:44px;width:auto;display:block}
  .menu{display:flex;gap:34px;font-size:16px;font-weight:500;color:var(--ink)}
  .menu a{position:relative;padding:4px 0}
  .menu a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--green);transition:right .25s}
  .menu a:hover::after{right:0}
  .nav-cta{padding:11px 22px;border-radius:12px;background:var(--green);color:#fff;font-weight:600;font-size:15px;transition:background .2s}
  .nav-cta:hover{background:var(--green-deep)}

  /* hero */
  .hero{position:relative;height:46vw;max-height:600px;min-height:440px;display:flex;align-items:center;overflow:hidden;background-image:url('images/hero.jpg');background-size:cover;background-position:center 34%}.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,78,136,.92) 0%,rgba(10,78,136,.85) 36%,rgba(12,96,168,.28) 56%,rgba(12,96,168,0) 72%)}.hero .wrap{position:relative;z-index:1;max-width:none;margin:0;padding:0 24px 0 max(24px,5vw)}
  .hero-text{max-width:560px;padding-top:40px;color:#fff}
  
  .hero h1{font-size:var(--fs-hero);color:#fff;margin-bottom:24px}
  .hero h1 .mark{position:relative;white-space:nowrap;display:inline-block}
  .hero h1 .mark::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:3px;background:var(--lime)}
  .hero p{font-size:19px;color:rgba(255,255,255,.9);margin-bottom:36px;line-height:1.65}
  .hero-btns{display:flex;gap:14px;flex-wrap:wrap}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:15px 30px;border-radius:12px;font-weight:600;font-size:17px;transition:transform .2s,background .2s;cursor:pointer;border:none}
  .btn-primary{background:var(--green);color:#fff}
  .btn-primary:hover{background:var(--green-deep);transform:translateY(-2px)}
  .btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
  .btn-ghost:hover{background:#fff;color:var(--blue)}
  

  /* section head */
  .sec-head{text-align:center;margin-bottom:56px;max-width:740px;margin-left:auto;margin-right:auto}
  .sec-head h2{font-size:var(--fs-h2)}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:var(--fs-body)}
  .sec-head.on-dark h2{color:#fff}
  .sec-head.on-dark p{color:rgba(255,255,255,.8)}
  
  

  /* values */
  .values{background:var(--soft)}
  .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 24px;transition:transform .25s,border-color .25s}
  .card:hover{transform:translateY(-4px);border-color:var(--green)}
  .c-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .c-head svg{width:24px;height:24px;color:var(--blue);flex:none}
  .card h3{font-size:var(--fs-h3)}
  .card p{font-size:15px;color:var(--muted);line-height:1.66}

  /* process */
  .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
  .flow-line{position:absolute;top:31px;left:10%;right:10%;height:2px;background:var(--line);z-index:1}
  .step{text-align:center;position:relative;padding-top:8px}
  .step .n{width:46px;height:46px;margin:0 auto 16px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--f-head);font-size:19px;position:relative;z-index:2}
  .step:nth-child(3) .n{background:var(--sky-ink)} .step:nth-child(4) .n{background:var(--green)} .step:nth-child(5) .n{background:var(--darkgreen)} .step:nth-child(6) .n{background:var(--navy)}
  .step h4{font-size:16px;font-weight:700;margin-bottom:6px}
  .step p{font-size:13.5px;color:var(--muted)}

  /* curriculum (dark green) */
  .curri{background:var(--darkgreen)}
  .curri .grid4 .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
  .curri .grid4 .card:hover{border-color:var(--lime);background:rgba(255,255,255,.1)}
  .curri .card h3{color:#fff}
  .curri .card p{color:rgba(255,255,255,.78)}
  .curri .area{font-size:14px;font-weight:700;margin-bottom:12px}
  .curri .lvl{margin-top:14px;font-size:13px;font-weight:600;color:rgba(255,255,255,.7)}

  /* blog */
  .blog-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:44px;gap:20px;flex-wrap:wrap}
  .blog-head h2{font-size:var(--fs-h2)}
  
  .blog-head p{color:var(--muted);margin-top:8px;font-size:16px}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .blog-card{border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:transform .25s,border-color .25s}
  .blog-card:hover{transform:translateY(-3px);border-color:var(--green)}
  .blog-area{font-size:13.5px;font-weight:700;margin-bottom:14px}
  .blog-card h3{font-size:18px;line-height:1.5;margin-bottom:12px;font-family:var(--f-body);font-weight:700}
  .blog-card .read{font-size:14px;font-weight:600;color:var(--green)}

  /* faq */
  .faq{background:var(--soft)}
  .faq-list{max-width:820px;margin:0 auto}
  details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
  details[open]{border-color:var(--green)}
  summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;font-size:17px;display:flex;align-items:center;justify-content:space-between}
  summary::-webkit-details-marker{display:none}
  summary .q{color:var(--green);font-family:var(--f-head);margin-right:12px}
  summary .plus{position:relative;width:18px;height:18px;flex:none}summary .plus::before{content:"";position:absolute;top:50%;left:0;right:0;height:2px;background:var(--muted);transform:translateY(-50%)}summary .plus::after{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--muted);transform:translateX(-50%);transition:opacity .2s}
  details[open] summary .plus::after{opacity:0}
  .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.7}

  /* contact (blue) */
  .contact{background:var(--blue)}
  
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:960px;margin:0 auto}
  .contact-info{color:#fff}
  .contact-info h3{color:#fff;font-size:22px;margin-bottom:20px}
  .info-row{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
  .info-row svg{width:22px;height:22px;flex:none;color:var(--lime);margin-top:2px}
  .info-row .t{font-size:15.5px;line-height:1.6}
  .info-row .ph{color:rgba(255,255,255,.6)}
  .map-box{margin-top:8px;height:220px;border-radius:14px;overflow:hidden;background:rgba(255,255,255,.1)}
  .map-box iframe{width:100%;height:100%;border:0;display:block}
  .map-link{display:inline-block;margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.85);text-decoration:underline;text-underline-offset:3px}
  .form-card{background:#fff;border-radius:18px;padding:30px 28px}
  .form-card h3{font-size:20px;margin-bottom:18px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink)}
  .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:15px;color:var(--ink);background:var(--soft)}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--green)}
  .field textarea{resize:vertical;min-height:84px}

  /* footer */
  footer{background:var(--darkgreen);color:rgba(255,255,255,.72);padding:64px 0 44px}
  .foot-menu{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:32px}
  .fm{text-align:center;transition:color .2s}
  .fm:hover{color:#fff}
  .fm svg{width:30px;height:30px;margin:0 auto 10px;display:block;color:var(--lime)}
  .fm .kr{font-size:14.5px;font-weight:600;color:#fff}
  .fm .en{font-size:12px;color:rgba(255,255,255,.5);margin-top:2px}
  .foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-start}
  .foot-brand img{height:40px;margin-bottom:14px}
  .foot-info{font-size:14px;line-height:1.9}
  .foot-info .ph{color:rgba(255,255,255,.5)}

  /* reveal */
  .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}

  @media(max-width:980px){
    section{padding:74px 0}
    .menu{display:none}
    .grid4{grid-template-columns:repeat(2,1fr)}
    .grid3{grid-template-columns:1fr}
    .flow{grid-template-columns:repeat(2,1fr);gap:26px} .flow-line{display:none}
    .hero{flex-direction:column;min-height:auto}
    .hero-text{flex-basis:auto;padding:104px 24px 48px}
    .hero-image{flex-basis:auto;min-height:280px;background-position:center 30%}
    .contact-grid{grid-template-columns:1fr}
    .foot-menu{grid-template-columns:repeat(3,1fr);gap:24px}
  }
  @media(max-width:560px){
    .grid4{grid-template-columns:1fr} .flow{grid-template-columns:1fr}
    .foot-menu{grid-template-columns:repeat(2,1fr)}
    .hero{min-height:420px;background-position:64% center}
  }
  @media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

.fee{background:var(--soft)}.fee-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}.fee-head h2{font-size:var(--fs-h2);color:var(--blue)}.fee-head p{color:var(--muted);margin-top:8px;font-size:15px}.fee-more{color:var(--green);font-weight:600;font-size:15px}.fee details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}.fee details[open]{border-color:var(--blue)}.fee summary{list-style:none;cursor:pointer;padding:22px 26px;font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:space-between;color:var(--blue)}.fee summary::-webkit-details-marker{display:none}.fee details[open] summary .plus::after{opacity:0}.fee-body{padding:4px 26px 18px}.fee-row{display:flex;justify-content:space-between;align-items:center;padding:14px 2px;border-bottom:1px dashed var(--line)}.fee-row:last-child{border-bottom:none}.fee-row span:first-child{color:var(--muted);font-size:15.5px}.fee-row .won{color:var(--blue);font-weight:700;font-size:16px}

/* 카드 전체를 링크로 쓴다 */
a.blog-card{display:block}