:root {
  --primary: #6366f1;
  --text: #111827;
  --muted: #6b7280;
  --bg: #ffffff;
}

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

body {
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  opacity: 0.8;
}

.header a,
.footer a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.footer a:hover,
.header a:hover {
  color: var(--primary);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px 20px;
}

.header {
  border-bottom: 1px solid #eee;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  gap: 6px;
  align-items: center;
  font-weight: 600;
}


.logo a {
  text-decoration: none;
  color: var(--text);
}

.logo .product {
  color: var(--muted);
  font-weight: 500;
}

.separator {
  color: var(--muted);
}

.hero {
  text-align: center;
  padding: 80px 0;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 20px;
}

.hero p {
  color: var(--muted);
  margin-bottom: 30px;
}

.btn {
  background: var(--primary);
  color: #fff !important;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 8px;
  display: inline-block;
}

.btn:hover {
  opacity: 0.9;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.card {
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
}

.card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 15px;
}

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