/* 기본 리셋 */
*{box-sizing:border-box} html,body{margin:0;padding:0}
:root{
  --bg:#0b0d10; --text:#e6e6e6; --muted:#9aa0a6; --card:#12161b; --accent:#60a5fa;
  --border:#1f2937; --btn:#1f2937; --btnText:#e6e6e6;
}
:root.light{
  --bg:#ffffff; --text:#111827; --muted:#4b5563; --card:#f3f4f6; --accent:#2563eb;
  --border:#e5e7eb; --btn:#111827; --btnText:#f9fafb;
}
body{font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; background:var(--bg); color:var(--text); line-height:1.6}

.container{max-width:1000px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:10}
.brand{font-weight:800;text-decoration:none;color:var(--text);font-size:1.1rem}
.brand span{color:var(--accent)}
nav{display:flex;gap:16px;align-items:center}
nav a{color:var(--muted);text-decoration:none}
nav a:hover{color:var(--text)}
nav button{background:transparent;border:1px solid var(--border);padding:6px 10px;border-radius:10px;color:var(--text);cursor:pointer}

.hamburger{display:none;background:transparent;border:0;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0}

.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;min-height:55vh;padding:56px 0}
.hero h1{font-size:2.2rem;line-height:1.25;margin:0 0 8px}
.hero p{color:var(--muted);margin:0 0 18px}
.accent{color:var(--accent)}

.actions{display:flex;gap:12px;margin:18px 0}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid var(--border);text-decoration:none;color:var(--text);background:transparent}
.btn.primary{background:var(--accent);color:white;border-color:transparent}
.btn.ghost{background:transparent}
.btn.small{padding:6px 10px;border-radius:10px;font-size:.9rem}

.social{list-style:none;display:flex;gap:14px;padding:0;margin:10px 0 0}
.hero-illus{display:flex;justify-content:center}
.hero-illus img{width:240px;height:auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,.3))}

.section{padding:36px 0}
h2{font-size:1.6rem;margin:0 0 10px}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0;margin:12px 0;list-style:none}
.fact-grid li{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px}
.fact-grid li span{margin-right:8px}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:6px 10px;border-radius:999px;background:var(--card);border:1px solid var(--border)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.card header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.card h3{margin:0}
.card p{color:var(--muted);min-height:48px}

.contact-form{display:grid;gap:12px;max-width:520px}
label{display:grid;gap:6px}
input,textarea{padding:10px;border-radius:12px;border:1px solid var(--border);background:transparent;color:var(--text)}
.form-hint{font-size:.85rem;color:var(--muted)}

footer{border-top:1px solid var(--border);padding:20px;color:var(--muted)}

@media (max-width: 860px){
  .hero{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .fact-grid{grid-template-columns:1fr}
  nav{display:none;position:absolute;top:60px;right:16px;background:var(--bg);border:1px solid var(--border);padding:12px;border-radius:12px;flex-direction:column}
  nav.open{display:flex}
  .hamburger{display:block}
}