:root {
  --hue-base: 60;
  --hue-complementary: calc(var(--hue-base) + 180);
  --color-background: hsl(var(--hue-base) 50% 85%);
  --color-base: hsl(var(--hue-base) 50% 15%);
  --color-highlight: hsl(var(--hue-complementary) 50% 50%);
  --max-width: 1200px;
  --spacing: 1rem;
}

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

html {
  color: var(--color-base);
  background-color: var(--color-background);
  font-size: 16px;
  line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0 var(--spacing);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}

/* Header styles */
header {
  background: hsl(var(--hue-base) 50% 87%);
  box-shadow: 0 2px 4px hsl(var(--hue-base) 50% 15% / 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.5rem 0;
  width: 100%;
  border-bottom: 1px solid hsl(var(--hue-base) 50% 90%);
  position: relative;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}

#logo {
  max-height: 60px;
  width: auto;
  margin: 0;
  padding: 0.5rem 0;
}

/* Navigation */
#index {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0.5rem;
}

#index li {
  margin: 0;
}

#index a {
  color: var(--color-base);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.2s;
  display: block;
}

#index a:hover,
#index a.active {
  background-color: var(--color-highlight);
  color: hsl(var(--hue-base) 50% 98%);
}

body > .container {
  padding-top: 1rem;
}

main {
  flex: 1;
  padding: var(--spacing) 0;
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

.product-card {
  background: hsl(var(--hue-base) 50% 100%);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px hsl(var(--hue-base) 50% 15% / 0.1);
  border: 1px solid hsl(var(--hue-base) 50% 90%);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.product-content {
  padding: 1.5rem;
}

.product-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-base);
}

.product-price {
  font-weight: bold;
  color: var(--color-highlight);
  margin: 0.5rem 0;
}

.visuel {
  max-width: 150px;
  height: auto;
  display: block;
  margin: 0 auto;
}

footer {
  margin-top: auto;
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.9rem;
  color: hsl(var(--hue-base) 50% 40%);
  border-top: 1px solid hsl(var(--hue-base) 50% 15% / 0.1);
  background: hsl(var(--hue-base) 50% 87%);
}

/* Responsive adjustments */
@media (min-width: 600px) {
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .visuel {
    max-width: 200px;
  }
}

@media (min-width: 900px) {
  html {
    font-size: 18px;
  }
  
  .container {
    padding: 0 2rem;
  }
  
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  }
}

/* Print styles */
@media print {
  body {
    background: hsl(0 0% 100%);
    color: hsl(0 0% 0%);
    padding: 0;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  nav, footer {
    display: none;
  }
}