:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --card:#f8fafc;
  --shadow: 0 10px 30px rgba(0,0,0,.06);
  --radius:14px;

  --primary:#111827;
  --accent:#2563eb;
  --kakao:#FEE500;
  --discord:#5865F2;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:980px;margin:0 auto;padding:0 18px}
.section{padding:54px 0}
.section.tight{padding:34px 0}
.hr{border-top:1px solid var(--line);margin:24px 0}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#eef2ff;color:#3730a3;
  border:1px solid #e0e7ff;
  padding:6px 10px;border-radius:999px;
  font-size:13px;font-weight:600;
}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.brand{
  display:flex;align-items:center;gap:10px;font-weight:800;
}
.logo{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#111827,#2563eb);
  box-shadow: var(--shadow);
}
.nav{
  display:flex;gap:14px;align-items:center;
}
.nav a{
  font-size:14px;color:var(--muted);
  padding:8px 10px;border-radius:10px;
}
.nav a.active, .nav a:hover{
  color:var(--text);
  background:#f3f4f6;
}

.nav-cta{
  display:flex;gap:10px;align-items:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  font-weight:700;font-size:14px;
  cursor:pointer;
}
.btn:hover{filter:brightness(.98)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.kakao{background:var(--kakao);border-color:#e5d400;color:#111}
.btn.discord{background:var(--discord);border-color:#4f5ad6;color:#fff}
.btn.dark{background:#111;border-color:#111;color:#fff}
.btn.small{padding:10px 12px;border-radius:10px;font-weight:700}
.btn.block{width:100%}

.mobile-only{display:none}

/* Hero */
.hero{
  padding:44px 0 10px;
}
.hero-grid{
  display:grid;grid-template-columns: 1.3fr .7fr;
  gap:26px;align-items:start;
}
.h1{
  font-size:40px;line-height:1.15;margin:14px 0 10px;
  letter-spacing:-.02em;
}
.lead{font-size:16px;color:var(--muted);margin:0 0 18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.hero-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}
.hero-card h3{margin:0 0 10px;font-size:15px}
.list{margin:0;padding-left:18px;color:var(--muted)}
.list li{margin:8px 0}

/* Cards */
.grid-3{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  background:#fff;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 8px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}

.callout{
  border:1px dashed #c7d2fe;
  background:#eef2ff;
  border-radius:var(--radius);
  padding:16px;
}
.callout h3{margin:0 0 8px}
.callout p{margin:0;color:#3730a3}

/* FAQ */
.faq{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.faq details{
  padding:14px 16px;
  border-top:1px solid var(--line);
}
.faq details:first-child{border-top:none}
.faq summary{
  cursor:pointer;
  font-weight:800;
}
.faq p{margin:10px 0 0;color:var(--muted)}

/* Footer */
.footer{
  padding:28px 0;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
}
.footer-row{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer a{color:var(--muted);text-decoration:underline}

/* Responsive */
@media (max-width: 880px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .nav{display:none}
  .mobile-only{display:inline-flex}
}

/* Floating CTA */
.floating-cta{
  position:fixed; right:18px; bottom:18px; z-index:60;
  display:flex; flex-direction:column; gap:10px;
}
.floating-cta .btn{ box-shadow: 0 12px 28px rgba(0,0,0,.18); }
@media (max-width:880px){
  .floating-cta{ right:12px; left:12px; bottom:12px; }
  .floating-cta .btn{ width:100%; }
}

/* ===== HERO BANNER (호동이팀) ===== */
.hero-banner{
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: center;
  padding: 36px;
  background: #0b1220;
  background-image: url("/img/hoodong.png");
  background-size: cover;
  background-position: center;
  box-shadow: 0 18px 50px rgba(10,20,40,.18);
}

/* 어두운 오버레이 */
.hero-banner::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg,
    rgba(0,0,0,.60) 0%,
    rgba(0,0,0,.35) 55%,
    rgba(0,0,0,.15) 100%);
}

/* 배너 안 콘텐츠 */
.hero-banner .hero-content{
  position: relative;
  max-width: 720px;
  color: #fff;
}

.hero-banner .pill{
  display:inline-block;
  margin-bottom:10px;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.14);
  color:#fff;
  font-size:12px;
}

.hero-banner h1{
  margin: 0 0 10px;
  font-size: 44px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-banner p{
  margin: 0 0 18px;
  color: rgba(255,255,255,.85);
  font-size: 16px;
}

/* 모바일 */
@media (max-width: 880px){
  .hero-banner{ min-height: 300px; padding: 22px; }
  .hero-banner h1{ font-size: 32px; }
}

/* =========================
   HERO 배너 배경 이미지
========================= */
.hero-banner {
  position: relative;
  min-height: 420px;
  padding: 100px 24px;

  background-image:
    linear-gradient(
      rgba(0,0,0,0.55),
      rgba(0,0,0,0.55)
    ),
    url("/img/hoodong.png");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}