:root {
  --bg: #fdfdfd;
  --ink: #111;
  --sub: #444;
  --paper: #fff;
  --emerald: #008c5f;
  --shadow: rgba(0,0,0,0.05);
}

body {
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  margin: 0;
  padding: 0;
}

header {
  background: var(--paper);
  box-shadow: 0 2px 5px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
}

.nav .logo {
  font-weight: bold;
  font-size: 20px;
  color: var(--emerald);
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

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

.hero {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(to bottom, #f8fdfb, #fdfdfd);
}

.hero h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

.hero p {
  color: var(--sub);
  max-width: 600px;
  margin: 0 auto 20px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.btn {
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
}

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

.btn.secondary {
  border: 2px solid var(--emerald);
  color: var(--emerald);
}

.why {
  padding: 40px 20px;
  text-align: center;
}

.why-list {
  list-style: none;
  padding: 0;
}

.why-list li {
  margin: 10px 0;
  font-size: 16px;
}

.why-list .check {
  color: var(--emerald);
  margin-right: 8px;
}

.catalog {
  padding: 40px 20px;
  background: var(--paper);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.filters input, .filters select {
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(160px,1fr));
  gap: 20px;
}

.card {
  background: var(--paper);
  border-radius: 10px;
  box-shadow: 0 2px 4px var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h3 {
  margin: 10px 0 5px;
  font-size: 16px;
}

.card p {
  font-size: 14px;
  margin: 2px 0;
}

footer {
  text-align: center;
  padding: 20px;
  background: var(--paper);
  margin-top: 30px;
  font-size: 14px;
}