body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ef 100%);
  margin: 0;
  color: #2c3e50;
}
.navbar {
  background: #fff;
  box-shadow: 0 2px 20px rgba(0,0,0,0.07);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.7rem;
  font-weight: 700;
  color: #667eea;
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: #333;
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  transition: all 0.3s ease;
}
.nav-links a:hover {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  transform: translateY(-2px);
}
.social-links a {
  margin-left: 0.5rem;
  vertical-align: middle;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 20px;
}
h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 2rem;
  text-align: center;
}
.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.product-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 18px rgba(102, 126, 234, 0.08);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.3s, transform 0.3s;
  border: 2px solid transparent;
}
.product-card:hover {
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
  border-color: #667eea33;
  transform: translateY(-6px) scale(1.03);
}
.product-card img {
  width: 100%;
  max-width: 220px;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.07);
}
.product-card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2c3e50;
  margin: 0.5rem 0 0.3rem 0;
  text-align: center;
  min-height: 2.2em;
}
.product-card p {
  color: #e74c3c;
  font-weight: bold;
  font-size: 1.1rem;
  margin: 0.2rem 0 0 0;
}
footer {
  background: #222;
  color: #fff;
  padding: 1em 0;
  text-align: center;
  margin-top: 2em;
}
@media (max-width: 900px) {
  .container {
    padding: 1rem 5px;
  }
  .product-list {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.2rem;
  }
  .product-card img {
    max-width: 100%;
    height: 120px;
  }
}
@media (max-width: 600px) {
  body, html {
    font-size: 16px;
  }
  .container {
    padding: 0 0.5em;
  }
  .navbar .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5em;
  }
  .nav-links {
    flex-direction: row !important;
    gap: 1em;
    width: 100%;
    justify-content: center;
    align-items: center;
    display: flex;
  }
  .catalog-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5em;
  }
  .product-list {
    grid-template-columns: 1fr !important;
    gap: 1em;
  }
  .product-card {
    max-width: 100%;
    margin: 0 auto;
    padding: 1em 0.5em;
  }
  .product-card img {
    width: 100%;
    height: auto;
    max-width: 320px;
    margin: 0 auto;
    display: block;
  }
  .breadcrumb-nav {
    font-size: 1em;
    padding: 0.5em 0;
  }
  .faq-section {
    padding: 0 0.5em;
  }
  footer {
    font-size: 0.95em;
    padding: 1em 0.5em;
  }
}