@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=DM+Mono:wght@400;500&display=swap');

:root{
  --navy-deep:#0B1F3A;
  --navy:#0B2545;
  --navy-soft:#16305a;
  --gold:#C9A84C;
  --gold-soft:#C9A961;
  --ivory:#F7F5F0;
  --paper:#FCFBF8;
  --ink:#141c2b;
  --line:rgba(11,31,58,0.12);
  --line-on-navy:rgba(201,168,76,0.28);
  --muted:#57657c;
  --success:#3f7a5c;
  --radius:2px;
  --font-display:'Fraunces', serif;
  --font-body:'Pretendard', -apple-system, sans-serif;
  --font-mono:'DM Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.22;margin:0 0 .5em;letter-spacing:-0.01em;}
p{margin:0 0 1em;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-soft);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:1em;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--gold-soft);display:inline-block;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--navy{background:var(--navy);color:var(--ivory);}
.section--navy h2, .section--navy h3{color:#fff;}
.section--ivory{background:var(--ivory);}
.section--paper{background:var(--paper);}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head p{color:var(--muted);font-size:1.05rem;}
.section--navy .section-head p{color:rgba(247,245,240,.72);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,31,58,.97);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line-on-navy);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-display);font-size:1.28rem;font-weight:600;}
.brand small{display:block;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;color:var(--gold-soft);font-weight:400;text-transform:uppercase;}
.nav-links{display:flex;gap:30px;list-style:none;margin:0;padding:0;}
.nav-links a{color:rgba(247,245,240,.82);font-size:.92rem;padding:6px 0;border-bottom:1px solid transparent;transition:.2s;}
.nav-links a:hover, .nav-links a.active{color:#fff;border-color:var(--gold-soft);}
.nav-cta{display:flex;gap:10px;align-items:center;}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;}

@media (max-width:920px){
  .nav-links{
    position:fixed;inset:72px 0 0 0;background:var(--navy-deep);
    flex-direction:column;padding:32px 24px;gap:0;
    transform:translateY(-110%);transition:transform .3s ease;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-links a{padding:16px 0;border-bottom:1px solid var(--line-on-navy);width:100%;}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;font-size:.92rem;font-weight:600;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
  font-family:var(--font-body);
}
.btn-gold{background:var(--gold);color:var(--navy-deep);}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-1px);}
.btn-outline{border-color:rgba(247,245,240,.4);color:#fff;}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.06);}
.btn-line{border-color:var(--navy);color:var(--navy);}
.btn-line:hover{background:var(--navy);color:#fff;}
.btn-sm{padding:10px 18px;font-size:.82rem;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(ellipse at 20% -10%, rgba(201,168,76,.16), transparent 55%), var(--navy-deep);
  color:#fff;padding:120px 0 90px;position:relative;overflow:hidden;
}
.hero::after{
  content:'';position:absolute;right:-10%;top:10%;width:520px;height:520px;
  border:1px solid var(--line-on-navy);border-radius:50%;
}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;}
.hero h1{font-size:clamp(2.1rem,3.6vw,3.3rem);max-width:14ch;}
.hero-sub{color:rgba(247,245,240,.78);font-size:1.08rem;max-width:46ch;margin-bottom:28px;}
.hero-regions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;}
.chip{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em;
  padding:6px 12px;border:1px solid var(--line-on-navy);border-radius:999px;color:rgba(247,245,240,.85);
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.hero-panel{
  background:rgba(255,255,255,.04);border:1px solid var(--line-on-navy);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(4px);
}
.hero-panel .label{font-family:var(--font-mono);font-size:.72rem;color:var(--gold-soft);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;}
.hero-stat{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line-on-navy);font-size:.92rem;}
.hero-stat:last-child{border-bottom:none;}
.hero-stat b{font-family:var(--font-mono);color:#fff;font-weight:500;}
@media (max-width:920px){.hero .container{grid-template-columns:1fr;}}

/* ---------- Timezone widget ---------- */
.tz-widget{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 24px 60px -30px rgba(11,31,58,.25);overflow:hidden;
}
.tz-tabs{display:flex;flex-wrap:wrap;background:var(--ivory);border-bottom:1px solid var(--line);}
.tz-tab{
  flex:1;min-width:110px;padding:14px 10px;text-align:center;font-size:.84rem;
  border:none;background:none;cursor:pointer;color:var(--muted);font-family:var(--font-body);font-weight:500;
  border-bottom:2px solid transparent;
}
.tz-tab.active{color:var(--navy);border-color:var(--gold);background:#fff;}
.tz-body{padding:32px;}
.tz-detect{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:16px 20px;background:var(--ivory);border-radius:var(--radius);margin-bottom:24px;
  font-size:.9rem;
}
.tz-detect .tz-badge{font-family:var(--font-mono);color:var(--navy);font-weight:500;}
.tz-schedule{display:grid;gap:12px;}
.tz-row{
  display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);
}
.tz-row .subj{font-weight:600;}
.tz-row .kst{font-family:var(--font-mono);font-size:.82rem;color:var(--muted);}
.tz-row .local{font-family:var(--font-mono);font-size:.95rem;color:var(--navy);font-weight:500;}
.tz-fallback{margin-top:18px;}
.tz-fallback select{
  font-family:var(--font-body);padding:10px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;font-size:.9rem;
}
.tz-note{font-size:.8rem;color:var(--muted);margin-top:14px;}

/* ---------- Cards / Grids ---------- */
.grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
}
.card h3{font-size:1.15rem;}
.card .icon{
  width:44px;height:44px;border-radius:50%;background:var(--navy);color:var(--gold);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-family:var(--font-mono);
}

/* ---------- Zoom mockup ---------- */
.zoom-mock{
  background:var(--navy-deep);border-radius:8px;padding:14px;box-shadow:0 30px 70px -30px rgba(11,31,58,.5);
}
.zoom-bar{display:flex;align-items:center;gap:6px;padding:6px 4px 12px;}
.zoom-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25);}
.zoom-title{margin-left:8px;font-family:var(--font-mono);font-size:.7rem;color:rgba(255,255,255,.5);}
.zoom-grid{display:grid;grid-template-columns:2fr 1fr;gap:8px;}
.zoom-main{
  background:linear-gradient(135deg,#16305a,#0B1F3A);border-radius:6px;min-height:220px;position:relative;
  display:flex;align-items:center;justify-content:center;border:1px solid var(--line-on-navy);
}
.zoom-main .teacher{
  width:70px;height:70px;border-radius:50%;background:var(--gold);opacity:.85;
}
.zoom-main .board{
  position:absolute;left:16px;right:16px;bottom:16px;top:16px;border:1px dashed rgba(201,168,76,.4);border-radius:4px;
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.35);font-family:var(--font-mono);font-size:.75rem;
}
.zoom-side{display:flex;flex-direction:column;gap:8px;}
.zoom-thumb{background:#0e2547;border:1px solid var(--line-on-navy);border-radius:6px;flex:1;min-height:48px;position:relative;}
.zoom-thumb::after{content:'';position:absolute;bottom:6px;left:6px;font-size:.6rem;}
.zoom-caption{font-family:var(--font-mono);font-size:.65rem;color:rgba(255,255,255,.45);padding:4px 2px 0;text-align:center;}
.zoom-controls{display:flex;justify-content:center;gap:10px;padding-top:12px;}
.zoom-btn{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);}

/* ---------- Journey ---------- */
.journey{display:flex;flex-direction:column;gap:0;position:relative;}
.journey::before{content:'';position:absolute;left:23px;top:12px;bottom:12px;width:1px;background:var(--line-on-navy);}
.journey-step{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:26px 0;}
.journey-num{
  width:48px;height:48px;border-radius:50%;background:var(--navy-soft);border:1px solid var(--gold-soft);
  color:var(--gold-soft);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);z-index:1;
}
.journey-step h4{color:#fff;margin-bottom:6px;}
.journey-step p{color:rgba(247,245,240,.72);margin:0;font-size:.95rem;}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:.92rem;}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);}
.table-wrap table{margin:0;}
.table-wrap td:first-child,.table-wrap th:first-child{padding-left:18px;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:22px 4px;font-family:var(--font-body);
  font-size:1.02rem;font-weight:600;display:flex;justify-content:space-between;align-items:center;cursor:pointer;color:var(--ink);
}
.faq-q .plus{font-family:var(--font-mono);color:var(--gold-soft);font-weight:400;font-size:1.1rem;transition:.2s;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding:0 4px 22px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(247,245,240,.7);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;}
.footer-grid h4{color:#fff;font-size:.85rem;font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:.9rem;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{border-top:1px solid var(--line-on-navy);padding-top:24px;font-size:.78rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
@media (max-width:920px){.footer-grid{grid-template-columns:1fr 1fr;}}

/* ---------- Sticky consult bar (mobile) ---------- */
.sticky-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:90;background:var(--navy-deep);
  border-top:1px solid var(--line-on-navy);display:none;padding:10px 14px;gap:8px;
}
.sticky-cta .btn{flex:1;}
@media (max-width:640px){.sticky-cta{display:flex;} body{padding-bottom:66px;}}

/* ---------- Utility ---------- */
.text-center{text-align:center;margin-left:auto;margin-right:auto;}
.mt-0{margin-top:0;}
.pill{
  display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(201,168,76,.14);
  color:var(--gold-soft);font-family:var(--font-mono);font-size:.72rem;
}
.badge-navy{background:var(--navy);color:#fff;}
.divider{height:1px;background:var(--line);margin:56px 0;border:none;}
.callout{background:var(--ivory);border-left:3px solid var(--gold);padding:18px 22px;border-radius:0 4px 4px 0;font-size:.92rem;color:var(--muted);}

/* Edit mode (contenteditable + lock/download pattern) */
[contenteditable="true"]{outline:1px dashed var(--gold-soft);outline-offset:2px;}
.edit-toolbar{
  position:fixed;bottom:16px;right:16px;z-index:200;background:var(--navy-deep);border:1px solid var(--gold-soft);
  border-radius:6px;padding:10px;display:flex;gap:8px;box-shadow:0 20px 50px -20px rgba(0,0,0,.4);
}
.edit-toolbar button{
  font-family:var(--font-mono);font-size:.72rem;padding:8px 12px;border-radius:4px;border:1px solid var(--line-on-navy);
  background:transparent;color:#fff;cursor:pointer;
}
.edit-toolbar button.primary{background:var(--gold);color:var(--navy-deep);border-color:var(--gold);}
.editable-img{cursor:pointer;position:relative;}
body.edit-mode .editable-img::after{
  content:'클릭하여 이미지 교체';position:absolute;inset:0;background:rgba(11,31,58,.55);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.75rem;font-family:var(--font-mono);
}
@media print{
  .site-header,.sticky-cta,.edit-toolbar{display:none !important;}
}