/* ===== Reset & Variables ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --primary:#1a2a4a;
  --primary-light:#2c4a7c;
  --accent:#3b82f6;
  --accent-hover:#2563eb;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --text:#1e293b;
  --text-light:#64748b;
  --radius:12px;
  --shadow:0 4px 24px rgba(0,0,0,.06);
  --transition:.3s ease;
}

html{scroll-behavior:smooth}
body{font-family:'Noto Sans KR',sans-serif;color:var(--text);line-height:1.7;background:var(--bg)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* ===== Navbar ===== */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06);transition:var(--transition)}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.4rem;font-weight:700;color:var(--primary);letter-spacing:2px}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--text-light);transition:var(--transition)}
.nav-links a:hover{color:var(--accent)}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--primary);transition:var(--transition)}

/* ===== Hero ===== */
#hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 50%,var(--accent) 100%);overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80"><circle cx="40" cy="40" r="1" fill="rgba(255,255,255,0.08)"/></svg>');background-size:40px 40px}
.hero-content{position:relative;text-align:center;color:#fff}
.hero-content h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;line-height:1.3;margin-bottom:20px}
.hero-content h1 span{color:#93c5fd}
.hero-content p{font-size:1.15rem;opacity:.85;margin-bottom:36px;font-weight:300}

/* ===== Buttons ===== */
.btn{display:inline-block;padding:14px 36px;border-radius:50px;font-size:1rem;font-weight:500;border:none;cursor:pointer;transition:var(--transition)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(59,130,246,.35)}

/* ===== Section Common ===== */
section{padding:100px 0}
.section-title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:12px;color:var(--primary)}
.section-subtitle{text-align:center;color:var(--text-light);margin-bottom:56px;font-size:1.05rem}

/* ===== Products ===== */
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px}
.product-card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:var(--transition)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.product-icon{font-size:2.5rem;margin-bottom:16px}
.product-card h3{font-size:1.15rem;margin-bottom:10px;color:var(--primary)}
.product-card p{font-size:.93rem;color:var(--text-light)}
.product-card--service{display:flex;flex-direction:column;align-items:center}
.product-card--service p{line-height:1.8}
.product-logo{width:150px;height:150px;border-radius:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:22px;box-shadow:0 10px 30px rgba(0,0,0,.14);overflow:hidden}
.product-logo--busking{background:linear-gradient(180deg,#ffe85a 0%,#f6c400 100%);border:3px solid rgba(255,255,255,.75)}
.product-logo--image{background:#fff;border:1px solid rgba(0,0,0,.08);padding:14px}
.product-logo__icon{font-size:3.25rem;line-height:1;margin-bottom:10px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.18))}
.product-logo__text{font-size:1.5rem;font-weight:800;letter-spacing:1px;color:#6b4a00;text-shadow:0 1px 0 rgba(255,255,255,.35)}
.product-logo__image{width:100%;height:100%;object-fit:contain}
.product-card--placeholder{border:1px dashed rgba(59,130,246,.35);background:linear-gradient(180deg,#f8fbff 0%,#ffffff 100%)}
.product-card--placeholder:hover{transform:none;box-shadow:var(--shadow)}

/* ===== Contact ===== */
#contact{background:var(--bg-alt)}
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:.95rem}
.form-group input,.form-group textarea{width:100%;padding:14px 16px;border:1px solid #d1d5db;border-radius:8px;font-size:1rem;font-family:inherit;transition:var(--transition);background:#fff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.contact-form .btn{width:100%;margin-top:8px}

/* ===== Footer ===== */
footer{background:var(--primary);color:rgba(255,255,255,.7);padding:48px 0;text-align:center}
.footer-logo{font-size:1.3rem;font-weight:700;color:#fff;letter-spacing:2px;margin-bottom:16px}
footer p{font-size:.9rem;margin-bottom:6px}
.copyright{margin-top:20px;font-size:.8rem;opacity:.5}

/* ===== Responsive ===== */
@media(max-width:768px){
  .menu-toggle{display:flex}
  .nav-links{position:fixed;top:64px;left:0;width:100%;background:#fff;flex-direction:column;align-items:center;gap:0;max-height:0;overflow:hidden;transition:var(--transition)}
  .nav-links.open{max-height:300px;border-bottom:1px solid rgba(0,0,0,.06)}
  .nav-links a{padding:16px 0}
}