:root {
  /* Colors */
  --primary-hue: 250;
  --primary-sat: 70%;
  --primary-light: 60%;

  --color-primary: hsl(var(--primary-hue), var(--primary-sat), var(--primary-light));
  --color-primary-dark: hsl(var(--primary-hue), var(--primary-sat), 40%);
  --color-accent: hsl(35, 90%, 60%);

  --color-bg: hsl(220, 20%, 97%);
  --color-surface: hsl(0, 0%, 100%);
  --color-text: hsl(220, 20%, 20%);
  --color-text-light: hsl(220, 10%, 50%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

/* Header */
header {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.05em;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: background-color 0.2s;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

/* Main */
main {
  max-width: 1200px;
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-lg);
}

.hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--color-surface);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  text-align: center;
  color: var(--color-text-light);
}

.cart-icon {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
  margin-left: var(--spacing-md);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}