:root{
  --bg:#0b0c10;
  --card:#11131a;
  --text:#f5f7ff;
  --muted:#a9b0c3;
  --line:#22263a;
  --accent:#7c5cff;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Apple SD Gothic Neo,Noto Sans KR,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.container{width:min(1100px,92%);margin:0 auto}

/* Header */
.top{position:sticky;top:0;z-index:10;background:rgba(11,12,16,.78);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px}
.brand{font-weight:800;letter-spacing:.2px;white-space:nowrap}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav a{color:var(--muted);font-size:14px}
.nav a:hover{color:var(--text)}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius:12px;
  background:var(--accent);
  font-weight:800;
  border:1px solid transparent;
  transition:filter .15s ease, transform .08s ease;
}
.btn:active{transform:translateY(1px)}
.btn.small{padding:9px 12px;border-radius:10px;font-size:14px}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.ghost:hover{border-color:var(--accent)}

/* Kakao/Telegram */
.btn.kakao{background:#FEE500;color:#191919;border:none}
.btn.kakao:hover{filter:brightness(.97)}
.btn.telegram{background:#2AABEE;color:#fff;border:none}
.btn.telegram:hover{filter:brightness(.97)}

/* Icons */
.icon{width:18px;height:18px;display:inline-block;vertical-align:-3px;fill:currentColor;flex:0 0 auto}
.btn .icon{margin-right:8px}

/* Hero */
.hero{padding:64px 0 26px;border-bottom:1px solid var(--line)}
.badge{display:inline-block;padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px}
h1{margin:14px 0 10px;font-size:40px;line-height:1.15}
.sub{color:var(--muted);max-width:820px;margin:0 0 10px}

.heroGrid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:center;margin-top:18px}
@media (max-width: 900px){
  .heroGrid{grid-template-columns:1fr}
  h1{font-size:32px}
}

.heroMedia{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(124,92,255,.25), rgba(255,255,255,.02));
}
.heroMedia img{
  width:100%;
  height:420px;
  object-fit:cover;
  display:block;
  filter:saturate(1.05) contrast(1.02);
}
@media (max-width: 900px){
  .heroMedia img{height:320px}
}

/* CTA Grid */
.ctaGrid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:10px;
  align-items:center;
  margin:18px 0 10px;
}
.ctaGrid .btn{width:100%}
.ctaGrid .chip{width:100%;justify-content:center}
@media (max-width: 900px){
  .ctaGrid{display:none}
}

/* Chips + LED */
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-size:14px;
}
.led{
  width:10px;height:10px;border-radius:999px;
  background:rgba(255,255,255,.18);
  box-shadow:0 0 0 2px rgba(255,255,255,.06) inset;
}
.chip.on .led{
  background:#22c55e;
  box-shadow:
    0 0 0 2px rgba(34,197,94,.22),
    0 0 12px rgba(34,197,94,.55);
}

/* Pills / TOC */
.toc{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pill{
  display:inline-flex;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  font-size:13px
}
.pill:hover{border-color:var(--accent);color:var(--text)}

/* Sections */
.section{padding:46px 0}
.section.alt{background:rgba(255,255,255,.03);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{margin:0 0 10px;font-size:26px}
.muted{color:var(--muted)}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}
.card h3{margin:0 0 10px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
@media (max-width: 900px){ .grid3{grid-template-columns:1fr} }

.gridCourses{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap:14px;
  margin-top:14px;
}

.table{width:100%;border-collapse:collapse}
.table td{padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.table tr:last-child td{border-bottom:none}

.steps{display:grid;gap:10px;margin-top:14px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px}

.links{display:flex;flex-wrap:wrap;gap:8px}

/* FAQ */
.faq{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:800}
.faq p{color:var(--muted);margin:10px 0 0}

/* 후기 예시 */
.reviewGrid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap:14px;
  margin-top:14px;
}
.review{
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:14px;
}
.stars{letter-spacing:2px; font-size:14px; color:#ffd166}
.review b{display:block;margin-top:8px}
.review p{margin:8px 0 0;color:var(--muted);line-height:1.55}

/* CTA row */
.cta{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 10px}

/* Map */
.mapbox{margin-top:14px;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.mapbox iframe{width:100%;height:320px;border:0}

.footer{padding:24px 0;color:var(--muted)}

/* Mobile Floating Buttons */
.fab{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:9999;
  display:none;
  flex-direction:column;
  gap:10px;
}
@media (max-width: 900px){ .fab{display:flex} }

.fabBtn{
  width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(17,19,26,.86);
  backdrop-filter: blur(10px);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:transform .08s ease, filter .15s ease;
}
.fabBtn:active{transform:translateY(1px)}
.fabBtn .icon{width:22px;height:22px}

.fabBtn.phone{background:rgba(124,92,255,.95);border:none;color:#fff}
.fabBtn.kakao{background:#FEE500;border:none;color:#191919}
.fabBtn.telegram{background:#2AABEE;border:none;color:#fff}

/* Breadcrumb */
.breadcrumb{color:var(--muted);font-size:13px;margin-top:10px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--text)}