/* ========================================
   FreshRecipes - Global Styles
   Mobile-First Responsive Design
   ======================================== */

/* CSS Variables - Warm & Fresh Theme */
:root {
  /* Primary Colors - Warm Orange */
  --primary: #FF8C42;
  --primary-light: #FFA96B;
  --primary-dark: #E67333;
  
  /* Secondary Colors - Fresh Green */
  --secondary: #7CB342;
  --secondary-light: #9CCC65;
  --secondary-dark: #689F38;
  
  /* Background Colors */
  --bg-light: #FFF8F0;
  --bg-white: #FFFFFF;
  --bg-cream: #F5E6D3;
  --bg-gray: #F5F5F5;
  
  /* Text Colors */
  --text-dark: #2D3436;
  --text-medium: #636E72;
  --text-light: #B2BEC3;
  --text-white: #FFFFFF;
  
  /* Accent Colors */
  --accent-red: #E17055;
  --accent-yellow: #FDCB6E;
  --accent-blue: #74B9FF;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 24px rgba(0,0,0,0.15);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container - Mobile First */
.container {
  width: 100%;
  padding: 0 var(--spacing-sm);
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--text-white);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text-white);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  color: var(--text-white);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-white);
  text-decoration: none;
}

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Section Spacing */
section {
  padding: var(--spacing-xl) 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* Tablet - 768px */
@media (min-width: 768px) {
  .container {
    max-width: 720px;
    padding: 0 var(--spacing-md);
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.75rem; }
  
  section {
    padding: var(--spacing-xxl) 0;
  }
}

/* Desktop - 1024px */
@media (min-width: 1024px) {
  .container {
    max-width: 960px;
  }
  
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
}

/* Large Desktop - 1440px */
@media (min-width: 1440px) {
  .container {
    max-width: 1200px;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus States */
*:focus {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
}