:root{
  --black:#0f1115;
  --gray-100:#f9fafb;
  --gray-200:#eef1f6;
  --gray-300:#cfd4dc;
  --gray-500:#6b7280;
  --gray-600:#4b5563;
  --gray-700:#3f3f46;
  --primary:#111827;
  --accent:#2563eb;
  --accent-soft:#dbe8ff;
  --accent-strong:#1d4ed8;
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --shadow-card:0 20px 45px rgba(15,17,21,0.08);
  font-family:"Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:#f3f5f9;
  color:var(--black);
  font-family:var(--font,inherit);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}

.topbar{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 40px;
  background:#fff;
  border-bottom:1px solid var(--gray-200);
  box-shadow:0 6px 24px rgba(15,17,21,0.05);
}
.brand-block{display:flex;align-items:center;gap:14px;min-width:220px}
.logo-chip{
  width:46px;height:46px;border-radius:14px;
  background:var(--accent);
  color:#fff;
  font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.brand{font-weight:800;font-size:20px;color:var(--primary)}
.brand-sub{margin:0;color:var(--gray-500);font-size:13px}
.nav-links{display:flex;gap:18px;font-weight:600;color:var(--gray-700)}
.nav-links a{padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover{color:var(--primary);border-color:var(--accent)}
.nav-links .admin-link{color:var(--accent-strong)}
.top-cta{
  padding:10px 20px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-weight:600;
  border:1px solid transparent;
}
.wrap{max-width:1200px;margin:40px auto;padding:0 32px 60px 32px}

.hero{
  background:#fff;
  border-radius:var(--radius-xl);
  padding:48px 54px;
  display:grid;
  grid-template-columns:1.3fr 0.7fr;
  gap:40px;
  border:1px solid var(--gray-200);
  box-shadow:var(--shadow-card);
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  background:var(--accent-soft);
  color:var(--accent-strong);
  border-radius:999px;
  font-weight:600;
  font-size:13px;
  margin:0 0 14px;
}
.hero h1{margin:0 0 12px;font-size:40px;line-height:1.2}
.hero p{margin:0 0 24px;color:var(--gray-700)}
.hero-stats{display:flex;gap:20px;padding:0;margin:0 0 26px;list-style:none}
.hero-stats li{flex:1;padding:16px;border:1px solid var(--gray-200);border-radius:var(--radius-md);background:var(--gray-100)}
.hero-stats span{display:block;font-size:13px;color:var(--gray-500)}
.hero-stats strong{display:block;font-size:16px;color:var(--primary);margin-top:6px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:14px;border:1px solid var(--black);color:var(--black);cursor:pointer;font-weight:600;background:#fff;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 18px rgba(15,17,21,0.08)}
.btn.primary{background:var(--black);color:#fff;border-color:var(--black)}
.btn.secondary{background:#fff;border-color:var(--gray-300)}
.btn.ghost{background:var(--gray-100);border-color:var(--gray-200);color:var(--gray-700)}
.btn.full{width:100%}
.hero-visual{display:flex;align-items:center;justify-content:center}
.hero-card{width:100%;max-width:320px;background:var(--primary);color:#fff;border-radius:26px;padding:28px;box-shadow:0 25px 55px rgba(17,24,39,0.4)}
.hero-card-tag{font-size:13px;letter-spacing:0.04em;color:#9fb7ff;margin:0 0 8px}
.hero-card h3{margin:0 0 18px;font-size:26px}
.hero-card ul{padding-left:18px;margin:0 0 24px;color:#e3e8ff;line-height:1.5}
.hero-card-note{font-size:13px;color:#c7d7ff;opacity:.8}

.product-showcase,.builder,.order-box{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-xl);padding:36px;margin-top:36px;box-shadow:0 10px 30px rgba(15,17,21,0.04)}
.section-head{max-width:720px}
.section-head h2{margin:6px 0;font-size:32px}
.section-head p{margin:0;color:var(--gray-600)}
.eyebrow{font-size:12px;font-weight:700;color:var(--accent-strong);letter-spacing:0.2em;margin:0;text-transform:uppercase}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:26px}
.card{padding:26px;border-radius:var(--radius-lg);border:1px solid var(--gray-200);background:#fff;box-shadow:0 12px 24px rgba(15,17,21,0.04)}
.product-card h3{margin:6px 0 10px;font-size:24px}
.product-card p{margin:0 0 16px;color:var(--gray-700)}
.card-tag{display:inline-block;padding:6px 12px;border-radius:999px;background:var(--gray-100);font-size:12px;font-weight:700;color:var(--gray-700);letter-spacing:0.08em}
.card-list{margin:0 0 20px;padding-left:18px;color:var(--gray-700)}
.card-price{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:var(--radius-md);background:var(--gray-100)}
.card-price span{color:var(--gray-500);font-size:14px}
.card-price strong{font-size:22px;color:var(--primary)}

.builder{display:grid;grid-template-columns:1.1fr 360px 1fr;gap:24px;align-items:start}
.section-intro h2{margin:6px 0 12px;font-size:30px}
.panel{display:flex;flex-direction:column;gap:12px;background:#fdfdfd;padding:24px;border:1px solid var(--gray-200);border-radius:var(--radius-lg)}
.panel h3{margin:0 0 8px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--gray-700)}
input,select,textarea{padding:12px 14px;border:1px solid var(--gray-300);border-radius:var(--radius-md);background:#fff;font:inherit}
.inline{flex-direction:row;align-items:center;gap:8px}
.price{margin-top:8px;padding:16px;background:var(--black);color:#fff;border-radius:var(--radius-md);font-weight:700;text-align:center}
.preview{display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;background:var(--gray-100);border-radius:var(--radius-lg);padding:20px;border:1px dashed var(--gray-300)}
.preview-title{font-weight:700}
.keyring-frame{width:240px;height:240px;background:#eef2ff;border:2px dashed #9ca3af;display:flex;align-items:center;justify-content:center;overflow:hidden}
.keyring-frame.circle{border-radius:50%}
.keyring-frame.square{border-radius:20px}
.keyring-frame.rounded{border-radius:40px}
.keyring-frame img{max-width:100%;max-height:100%;display:none}
.pop-preview{width:320px;height:320px;position:relative;display:flex;align-items:flex-end;justify-content:center}
.pop-upright{position:absolute;bottom:70px;width:200px;height:200px;background:#eef2ff;border:2px dashed #9ca3af;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:20px}
.pop-upright.round{border-top-left-radius:120px;border-top-right-radius:120px}
.pop-upright img{max-width:100%;max-height:100%;display:none}
.pop-base{height:40px;background:#dbeafe;border:2px solid #93c5fd;border-radius:12px}
.pop-base.s{width:190px}.pop-base.m{width:240px}.pop-base.l{width:280px}

.order-box{margin-bottom:40px}
.order-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
.order-head h3{margin:6px 0 8px;font-size:30px}
.order-head p{margin:0;color:var(--gray-600)}
.order-steps{display:grid;grid-template-columns:repeat(3,minmax(0,180px));gap:14px}
.order-steps div{padding:12px 14px;border-radius:var(--radius-md);border:1px solid var(--gray-200);background:var(--gray-100)}
.order-steps span{display:block;font-size:12px;color:var(--gray-500);letter-spacing:0.1em}
.order-steps strong{display:block;margin-top:6px;font-size:15px;color:var(--primary)}
.order-grid{display:grid;grid-template-columns:420px 1fr;gap:28px;margin-top:24px}
.field-row{display:flex;gap:12px}
.field-row label{flex:1}
.order-actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.order-preview{align-items:stretch}
.summary-box{width:100%;min-height:360px;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:16px;font-family:"JetBrains Mono","Cascadia Mono",monospace;font-size:14px;line-height:1.45}
.summary-note{font-size:13px;color:var(--gray-600);line-height:1.5;margin-top:10px}
.order-help{margin-top:16px;padding:14px;background:var(--gray-100);border-radius:var(--radius-md);font-size:13px;color:var(--gray-600);line-height:1.6}

@media (max-width:1100px){
  .hero{grid-template-columns:1fr;border-radius:var(--radius-lg)}
  .builder{grid-template-columns:1fr;gap:18px}
  .panel{order:2}
  .preview{order:3}
  .section-intro{order:1}
  .order-grid{grid-template-columns:1fr}
  .order-head{flex-direction:column}
  .nav-links{display:none}
}
@media (max-width:700px){
  .topbar{flex-wrap:wrap;padding:16px 20px}
  .wrap{padding:0 20px 60px 20px;margin:30px auto}
  .hero{padding:32px}
  .hero h1{font-size:32px}
  .hero-stats{flex-direction:column}
  .cards{grid-template-columns:1fr}
  .order-steps{grid-template-columns:1fr}
  .field-row{flex-direction:column}
  .top-cta{width:100%;text-align:center}
}