:root{
  --bg:#0F1115; --fg:#111; --muted:#666; --brand:#2EC8A3; --light:#fff; --card:#f7f8fa;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,Roboto,system-ui,-apple-system,"Segoe UI","Noto Sans",sans-serif;color:var(--fg);line-height:1.6}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;height:auto;display:block}

/* Layout */
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.section{padding:56px 0;background:#fff}
.section.alt{background:var(--card)}

/* Nav */
.nav{background:var(--bg);color:#fff;position:sticky;top:0;z-index:10}
.nav .inner{display:flex;align-items:center;gap:20px;padding:14px 0}
.nav a{color:#fff;opacity:.9}
.nav a:hover{opacity:1}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px}
.brand img{height:26px;width:auto}
.spacer{flex:1}

/* Buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:10px;font-weight:600;border:1px solid transparent}
.btn-primary{background:var(--brand);color:#012}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand)}

/* Hero */
.hero{padding:80px 0 48px}
.hero h1{font-size:40px;line-height:1.15;margin:0 0 12px}
.hero p{max-width:760px;margin:0 0 18px;color:var(--muted)}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}

/* Cards & grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid #e7e9ee;border-radius:14px;padding:18px}
.card h3{margin:4px 0 6px}
.card img{border-radius:12px;margin:0 0 12px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 10px}
.badge{font-size:12px;background:#eef2f5;border:1px solid #e0e6ec;border-radius:999px;padding:4px 10px;color:#333}

/* Video */
.iframe-wrap{position:relative;padding-top:56.25%;border-radius:12px;overflow:hidden;background:#000}
.iframe-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%}

/* Contact */
.two-col{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}

/* Footer */
.footer{background:var(--bg);color:#fff;padding:28px 0;margin-top:40px}
.footer a{color:#fff;opacity:.9}
.footer a:hover{opacity:1}

/* ─── Responsive ─── */
@media (max-width:980px){
  .grid-3{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .nav .inner{flex-wrap:wrap;row-gap:10px}
}
@media (max-width:580px){
  .grid-3{grid-template-columns:1fr}
  .hero{padding:56px 0 36px}
  .hero h1{font-size:28px}
  .nav a{padding:8px 6px;font-size:14px}
  .brand img{height:22px}
}

/* 내용 폭을 좁혀 가독성 개선 */
.prose{ max-width: 700px; margin: 0 auto; }

/* 모바일에서 좌우 여백 확대 */
@media (max-width: 580px){
  .container{ padding: 0 24px; }       /* 기존 20px → 24px */
  .hero{ padding: 56px 0 36px; }        /* 높이도 살짝 조정 */
  .hero p{ line-height: 1.7; }          /* 문장 간격 증가 */
}

/* 페이지 공통 좌우 여백 (반응형 + 노치 대응) */
:root { --page-pad: clamp(24px, 7vw, 40px); } /* 최소 24px, 화면에 따라 최대 40px */

.container{
  padding-left: max(var(--page-pad), env(safe-area-inset-left));
  padding-right: max(var(--page-pad), env(safe-area-inset-right));
}

/* 긴 제목 줄바꿈 균형 */
.hero h1 { text-wrap: balance; }