:root{
  --primary:#0ea5e9;
  --secondary:#06b6d4;
  --accent:#22c55e;
  --bg:#f9fafb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --shadow:0 10px 30px rgba(0,0,0,0.08);
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:Inter, Arial, sans-serif;
  background:linear-gradient(180deg,#f8fafc,#eef2f7);
  color:var(--text);
}

/* HEADER */

.site-header{
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:999;
}

.nav-wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 30px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
}

.brand-logo{
  width:50px;
  height:50px;
  object-fit:contain;
}

.brand-text strong{
  font-size:18px;
}

.nav a{
  margin:0 12px;
  font-weight:600;
  color:var(--text);
}

.nav a:hover{
  color:var(--primary);
}

.nav-btn{
  background:var(--primary);
  color:#fff;
  padding:10px 18px;
  border-radius:8px;
}

/* HERO */

.hero{
  padding:80px 20px;
  text-align:center;
  background:linear-gradient(135deg,#e0f2fe,#f0fdfa);
}

.hero h1{
  font-size:48px;
  margin-bottom:10px;
}

.hero p{
  color:var(--muted);
  margin-bottom:20px;
}

.hero-actions{
  display:flex;
  justify-content:center;
  gap:10px;
}

/* BUTTON */

.btn{
  padding:12px 20px;
  border-radius:8px;
  font-weight:600;
  cursor:pointer;
  transition:0.3s;
}

.btn-primary{
  background:var(--primary);
  color:#fff;
}

.btn-primary:hover{
  background:#0284c7;
}

.btn-outline{
  border:1px solid var(--primary);
  color:var(--primary);
  background:#fff;
}

.btn-outline:hover{
  background:var(--primary);
  color:#fff;
}

/* PRODUCTS */

.product-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:25px;
  padding:40px;
}

.product-card{
  background:var(--card);
  border-radius:18px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:0.3s;
}

.product-card:hover{
  transform:translateY(-8px);
}

.product-image-box{
  height:200px;
  background:#f1f5f9;
  display:flex;
  align-items:center;
  justify-content:center;
}

.product-image-box img{
  width:100%;
  height:100%;
  object-fit:contain;
  transition:0.3s;
}

.product-card:hover img{
  transform:scale(1.05);
}

.product-content{
  padding:18px;
}

.product-content h3{
  font-size:18px;
}

.product-content p{
  color:var(--muted);
  font-size:14px;
}

.price{
  margin-top:8px;
  font-size:18px;
  font-weight:bold;
  color:var(--primary);
}

/* FORM */

.form-card{
  background:#fff;
  padding:25px;
  border-radius:18px;
  box-shadow:var(--shadow);
  margin:20px;
}

.form-grid input,
.form-grid select,
.form-grid textarea{
  width:100%;
  padding:12px;
  border:1px solid var(--border);
  border-radius:10px;
  margin-bottom:10px;
}

/* FOOTER */

.site-footer{
  background:#fff;
  border-top:1px solid var(--border);
  padding:30px;
  margin-top:40px;
}

.footer-bottom{
  text-align:center;
  color:var(--muted);
}

/* ANIMATION */

.product-card,
.form-card,
.hero{
  animation:fadeUp 0.6s ease;
}

@keyframes fadeUp{
  from{
    opacity:0;
    transform:translateY(20px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}