/* CSS Variables */
:root {
  --color-primary: hsl(217, 91%, 42%);
  --color-gold: hsl(45, 93%, 47%);
  --color-background: hsl(210, 4%, 98%);
  --color-foreground: hsl(210, 6%, 12%);
  --color-muted: hsl(210, 6%, 35%);
  --color-muted-bg: hsl(210, 8%, 90%);
  --color-card: hsl(210, 4%, 96%);
  --color-card-border: hsl(210, 5%, 90%);
  --color-border: hsl(210, 6%, 88%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--color-foreground);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utility Classes */
.bg-background {
  background-color: var(--color-background);
}

.bg-muted-bg {
  background-color: var(--color-muted-bg);
}

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

.text-gold {
  color: var(--color-gold);
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: hsl(217, 91%, 38%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.w-full {
  width: 100%;
}

/* Card Styles */
.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Aspect Ratio for Product Images */
.aspect-product {
  position: relative;
  width: 100%;
  padding-top: 111.72%; /* 324/290 ratio */
  border-radius: 0.375rem;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.aspect-product img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Feature Items */
.feature-item {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: block;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-foreground);
}

.feature-desc {
  color: var(--color-muted);
  line-height: 1.6;
}

/* Responsive Grid Utilities */
@media (max-width: 640px) {
  .grid {
    gap: 1rem;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
}

/* Border Utilities */
.border-t {
  border-top: 1px solid var(--color-border);
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Link Hover Effect */
a {
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.9;
}