:root{
  --bg:#0a0a0b;
  --panel:#1a1a1c;
  --panel-hover:#252529;
  --muted:#a0a0a0;
  --accent:#ff6b6b;
  --accent-hover:#ff5252;
  --text:#ffffff;
  --text-secondary:#e0e0e0;
  --border:#2a2a2e;
  --container:1200px;
  --gradient:linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent:linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
  font-size:16px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: "Noto Sans KR", system-ui, "Helvetica Neue", Arial;
  background:var(--bg);
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
.container{max-width:var(--container);margin:0 auto;padding:0 16px;}
.topbar{
  background:rgba(26, 26, 28, 0.95);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 4px 20px rgba(0,0,0,0.3);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;flex-wrap:wrap;gap:16px}
.logo a{
  color:var(--accent);
  font-weight:800;
  text-decoration:none;
  font-size:1.4rem;
  background:var(--gradient-accent);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.main-nav{display:flex;gap:8px;align-items:center}
.main-nav a{
  color:var(--text-secondary);
  text-decoration:none;
  padding:10px 16px;
  border-radius:12px;
  font-weight:500;
  transition:all 0.3s ease;
  position:relative;
}
.main-nav a:hover{
  color:var(--text);
  background:var(--panel-hover);
  transform:translateY(-1px);
}
.main-nav a.active{
  color:var(--text);
  background:var(--gradient-accent);
  box-shadow:0 4px 15px rgba(255, 107, 107, 0.3);
}

.nav-cta .btn{
  background:var(--gradient-accent);
  color:#fff;
  padding:12px 20px;
  border-radius:12px;
  text-decoration:none;
  font-weight:700;
  transition:all 0.3s ease;
  box-shadow:0 4px 15px rgba(255, 107, 107, 0.3);
}
.nav-cta .btn:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(255, 107, 107, 0.4);
}

.hero{
  padding:80px 0;
  background:linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border-bottom:1px solid var(--border);
  position:relative;
  overflow:hidden;
}
.hero .container{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.hero-content{
  position:relative;
  z-index:2;
}
.hero-image{
  position:relative;
  z-index:2;
}
.hero-image img{
  width:100%;
  height:400px;
  object-fit:cover;
  border-radius:20px;
  box-shadow:0 20px 60px rgba(0,0,0,0.3);
}
.hero::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.03)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.02)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity:0.3;
}
.hero h1{
  font-size:3rem;
  margin:0 0 20px;
  font-weight:800;
  background:var(--gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  position:relative;
  z-index:1;
}
.lead{
  color:var(--text);
  line-height:1.6;
  font-size:1.3rem;
  font-weight:600;
  margin:0 0 12px;
  position:relative;
  z-index:1;
}
.sub-lead{
  color:var(--text-secondary);
  line-height:1.7;
  font-size:1rem;
  margin:0 0 30px;
  position:relative;
  z-index:1;
}

.hero-actions{margin-top:30px;display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:1}
.btn.large{
  background:var(--gradient-accent);
  padding:16px 32px;
  border-radius:16px;
  color:#fff;
  text-decoration:none;
  font-weight:700;
  font-size:1.1rem;
  transition:all 0.3s ease;
  box-shadow:0 8px 25px rgba(255, 107, 107, 0.3);
}
.btn.large:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 35px rgba(255, 107, 107, 0.4);
}
.link-btn{
  color:var(--text-secondary);
  align-self:center;
  text-decoration:none;
  padding:16px 24px;
  border:2px solid var(--border);
  border-radius:16px;
  transition:all 0.3s ease;
}
.link-btn:hover{
  color:var(--text);
  border-color:var(--accent);
  background:rgba(255, 107, 107, 0.1);
}

.content-block{padding:60px 0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.muted{color:var(--muted);font-size:0.95rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:30px}
.card{
  background:var(--panel);
  padding:0;
  border-radius:20px;
  box-shadow:0 8px 32px rgba(0,0,0,0.3);
  border:1px solid var(--border);
  transition:all 0.3s ease;
  position:relative;
  overflow:hidden;
}
.card-image{
  width:100%;
  height:200px;
  overflow:hidden;
  position:relative;
}
.card-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.3s ease;
}
.card:hover .card-image img{
  transform:scale(1.05);
}
.card-content{
  padding:24px;
}
.card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:var(--gradient-accent);
}
.card:hover{
  transform:translateY(-5px);
  box-shadow:0 16px 48px rgba(0,0,0,0.4);
  border-color:var(--accent);
}
.card h3{
  margin:16px 0 12px;
  color:var(--text);
  font-size:1.2rem;
  font-weight:700;
  line-height:1.4;
}
.card p{
  color:var(--text-secondary);
  line-height:1.6;
  margin-bottom:16px;
}
.card .meta{
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:16px;
}
.avatar{
  width:56px;
  height:56px;
  border-radius:16px;
  background:var(--gradient);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  color:#fff;
  font-size:0.9rem;
  box-shadow:0 4px 15px rgba(102, 126, 234, 0.3);
}
.read-more{
  display:inline-block;
  margin-top:16px;
  color:var(--accent);
  text-decoration:none;
  font-weight:700;
  padding:8px 16px;
  border-radius:12px;
  background:rgba(255, 107, 107, 0.1);
  transition:all 0.3s ease;
}
.read-more:hover{
  background:var(--gradient-accent);
  color:#fff;
  transform:translateX(4px);
}

.cta{
  padding:60px 40px;
  text-align:center;
  background:linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
  border-radius:20px;
  margin:60px 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  max-width:100%;
  width:100%;
}
.cta h2{
  font-size:2.5rem;
  margin:0 0 16px;
  background:var(--gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  text-align:center;
  width:100%;
}
.cta p{
  font-size:1.1rem;
  color:var(--text-secondary);
  margin:0 0 30px;
  text-align:center;
  width:100%;
  max-width:600px;
}
.contact-block{padding:18px 0;border-top:1px solid var(--border)}

.site-footer{padding:18px 0;border-top:1px solid rgba(255,255,255,0.03);margin-top:36px}
.site-footer .container{display:flex;justify-content:space-between;align-items:center}
.site-footer a{color:var(--muted);text-decoration:none;margin-left:12px}

/* 게시판 리스트 */
.post-list{list-style:none;padding:0;margin:18px 0}
.post-item{background:var(--panel);padding:16px;border-radius:10px;margin-bottom:12px}
.post-head{display:flex;gap:12px;align-items:flex-start}
.post-head .avatar{width:56px;height:56px;border-radius:8px;flex:0 0 56px}
.post-head h3{margin:0}
.filter{margin:12px 0;color:var(--muted)}

/* 페이지 히어로 */
.page-hero{
  position:relative;
  margin-bottom:60px;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,0.3);
}
.page-hero img{
  width:100%;
  height:400px;
  object-fit:cover;
}
.page-hero-content{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  background:linear-gradient(transparent, rgba(0,0,0,0.8));
  padding:60px 40px 40px;
  color:#fff;
}
.page-hero-content h1{
  font-size:2.5rem;
  margin:0 0 16px;
  font-weight:800;
}
.page-hero-content p{
  font-size:1.1rem;
  line-height:1.6;
  margin:0;
  opacity:0.9;
}

/* 반응형 */
@media (max-width:900px){
  .container{padding:0 12px}
  .two-col{grid-template-columns:1fr}
  .main-nav{display:none}
  .topbar-inner{padding:12px 0;gap:12px}
  .hero{padding:60px 0}
  .hero .container{grid-template-columns:1fr;gap:30px}
  .hero h1{font-size:2.2rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn.large{text-align:center}
  .page-hero-content{padding:30px 16px 16px}
  .page-hero-content h1{font-size:1.8rem}
  .cta{padding:40px 20px;margin:40px 0}
  .cta h2{font-size:2rem}
  .cards{grid-template-columns:1fr;gap:16px}
  .card-content{padding:20px}
}

@media (max-width:480px){
  .container{padding:0 8px}
  .hero{padding:40px 0}
  .hero h1{font-size:1.8rem}
  .lead{font-size:1.1rem}
  .sub-lead{font-size:0.9rem}
  .topbar-inner{padding:8px 0}
  .logo a{font-size:1.2rem}
  .nav-cta .btn{padding:10px 16px;font-size:0.9rem}
  .page-hero-content{padding:20px 12px 12px}
  .page-hero-content h1{font-size:1.5rem}
  .cta{padding:30px 16px;margin:30px 0}
  .cta h2{font-size:1.6rem}
  .cta p{font-size:1rem}
}