/* 
 * Main CSS - Global styles for the entire site
 */

:root {
  /* Main color palette */
  --color-primary: #0071e3;
  --color-primary-light: #3c93ec;
  --color-primary-dark: #0058b0;
  
  --color-secondary: #86868b;
  --color-secondary-light: #a1a1a6;
  --color-secondary-dark: #6e6e73;
  
  --color-accent: #fa5252;
  --color-accent-light: #ff7b7b;
  --color-accent-dark: #e03131;
  
  --color-success: #34c759;
  --color-warning: #ff9500;
  --color-error: #ff3b30;
  
  /* Neutral colors */
  --color-white: #ffffff;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  --color-black: #000000;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --border-radius-sm: 0.125rem;
  --border-radius: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --container-max-width: 1280px;
  --header-height: 4rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

button {
  cursor: pointer;
  font-family: inherit;
}

/* Layout containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

/* Header styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo h1 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

/* Navigation styles */
.main-nav {
  position: relative;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-6);
}

.main-nav a {
  color: var(--color-gray-800);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Submenu styles */
.has-submenu {
  position: relative;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 100;
}

.has-submenu:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu li {
  margin: 0;
}

.submenu a {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.submenu a:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.icon-button {
  background: none;
  border: none;
  color: var(--color-gray-800);
  padding: var(--spacing-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
  position: relative;
}

.icon-button:hover {
  color: var(--color-primary);
}

.cart-count {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  width: 1rem;
  height: 1rem;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 24px;
  height: 24px;
  position: relative;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-gray-800);
  position: absolute;
  left: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-menu-toggle span:nth-child(1) {
  top: 6px;
}

.mobile-menu-toggle span:nth-child(2) {
  top: 12px;
}

.mobile-menu-toggle span:nth-child(3) {
  top: 18px;
}

/* Mobile menu styles */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-md);
    display: none;
  }

  .main-nav.active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-4);
  }

  .submenu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding-left: var(--spacing-4);
    display: none;
  }

  .has-submenu.active .submenu {
    display: block;
  }

  .has-submenu > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .has-submenu > a::after {
    content: '+';
    font-size: var(--font-size-lg);
  }

  .has-submenu.active > a::after {
    content: '-';
  }
}

/* Footer styles */
.site-footer {
  background-color: var(--color-gray-100);
  padding: var(--spacing-12) 0 var(--spacing-6);
  margin-top: var(--spacing-16);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-8);
}

.footer-column h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-800);
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: var(--spacing-2);
}

.footer-column a {
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-primary);
}

.newsletter p {
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-600);
}

.newsletter-form {
  display: flex;
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  font-size: var(--font-size-sm);
}

.newsletter-form button {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  padding: var(--spacing-2) var(--spacing-4);
  font-weight: 500;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  transition: background-color var(--transition-fast);
}

.newsletter-form button:hover {
  background-color: var(--color-primary-dark);
}

.footer-bottom {
  margin-top: var(--spacing-12);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-gray-300);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.social-links {
  display: flex;
  gap: var(--spacing-4);
}

.social-links a {
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

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

.copyright {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

/* Remove underlines from specific buttons */
.text-button {
  text-decoration: none;
  color: var(--color-primary);
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  outline: inherit;
}

.text-button:hover {
  color: var(--color-primary-dark);
}