:root {
  --primary: #4f46e5;
  --bg: #f4f4f4;
  --text: #333;
  --card-bg: #fff;
}

body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 20px 0;
}

header {
  background-color: var(--primary);
  color: #fff;
  padding: 15px 0;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
}

nav {
  margin-top: 10px;
}

nav a {
  color: #fff;
  margin-right: 15px;
  text-decoration: none;
  font-weight: 500;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.card {
  background-color: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-top: 0;
}

.btn {
  background-color: var(--primary);
  color: white;
  padding: 10px 15px;
  text-decoration: none;
  border-radius: 6px;
  display: inline-block;
  margin-top: 10px;
  font-weight: bold;
}

footer {
  background-color: #111;
  color: #ccc;
  text-align: center;
  padding: 15px;
}
form {
  background-color: #fff;
  padding: 20px;
  border-radius: 12px;
  max-width: 500px;
  margin: auto;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

form input, form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

form button {
  background: var(--primary);
  border: none;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}