/*
Theme Name: EarphonesShop
Theme URI: https://earphonesshop.com
Author: EarphonesShop Team
Author URI: https://earphonesshop.com
Description: A professional WordPress theme for earphones reviews and buying guides. Mobile-first, SEO-optimized, and conversion-focused with affiliate marketing integration.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: earphonesshop
Tags: blog, e-commerce, reviews, affiliate, responsive, accessibility-ready, custom-menu, featured-images, custom-header, custom-logo, editor-style, rtl-language-support

EarphonesShop is a modern WordPress theme designed specifically for product review and affiliate marketing sites.
Perfect for earphones, headphones, and audio gear review websites.
*/

/* ====================================
   1. CSS 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, 'Inter', 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: #333333;
  background-color: #ffffff;
  letter-spacing: 0.3px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ====================================
   2. COLOR SYSTEM
   ==================================== */

:root {
  /* Brand Colors */
  --color-primary: #1a5f6f;
  --color-primary-dark: #14495```
5;
  --color-primary-light: #2c8a9f;
  
  /* Accent Colors */
  --color-accent: #E67E22;
  --color-accent-dark: #d35400;
  --color-accent-darker: #ba4a00;
  
  /* Semantic Colors */
  --color-success: #27ae60;
  --color-error: #e74c3c;
  --color-warning: #f39c12;
  --color-info: #3498db;
  
  /* Neutral Colors */
  --color-dark: #333333;
  --color-gray-dark: #666666;
  --color-gray: #999999;
  --color-gray-light: #cccccc;
  --color-neutral-light: #f5f5f5;
  --color-white: #ffffff;
  
  /* Border */
  --color-border: #dddddd;
  --color-border-light: #eeeeee;
  
  /* Typography */
  --font-heading: -apple-system, BlinkMacSystemFont, 'Inter', 'Poppins', 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Inter', 'Open Sans', 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 40px;
  --spacing-3xl: 60px;
  --spacing-4xl: 80px;
  --spacing-5xl: 120px;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 40px;
  --container-padding-mobile: 20px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-normal: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1010;
  --z-fixed: 1020;
  --z-modal-backdrop: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* ====================================
   3. TYPOGRAPHY
   ==================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-dark);
  margin-bottom: var(--spacing-lg);
}

h1 {
  font-size: 42px;
  margin-bottom: var(--spacing-xl);
}

h2 {
  font-size: 32px;
}

h3 {
  font-size: 24px;
}

h4 {
  font-size: 20px;
}

h5, h6 {
  font-size: 16px;
}

p {
  margin-bottom: var(--spacing-lg);
}

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

a:hover {
  color: var(--color-accent);
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

strong, b {
  font-weight: 600;
}

em, i {
  font-style: italic;
}

ul, ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-sm);
}

blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-xl 0);
  font-style: italic;
  color: var(--color-gray-dark);
}

code {
  background-color: var(--color-neutral-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

pre {
  background-color: var(--color-neutral-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
}

/* ====================================
   4. LAYOUT & GRID
   ==================================== */

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

.section {
  padding: var(--spacing-4xl) 0;
}

.section-large {
  padding: var(--spacing-5xl) 0;
}

.section-small {
  padding: var(--spacing-2xl) 0;
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ====================================
   5. BUTTONS
   ==================================== */

.btn {
  display: inline-block;
  padding: 12px 24px;
  min-height: 44px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-align: center;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  color: var(--color-white);
}

.btn-primary:active {
  background-color: var(--color-accent-darker);
  transform: scale(0.98);
}

.btn-secondary {
  background-color: var(--color-neutral-light);
  color: var(--color-dark);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border-light);
  color: var(--color-dark);
}

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

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

.btn-disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-full {
  width: 100%;
}

/* ====================================
   6. CARDS
   ==================================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

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

.card-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.card-image img {
  width: 100%;
  height: auto;
  display: block;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.card-content {
  color: var(--color-gray-dark);
  font-size: 15px;
  line-height: 1.6;
}

/* ====================================
   7. FORMS
   ==================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-dark);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  min-height: 44px;
  font-size: 16px;
  font-family: var(--font-body);
  color: var(--color-dark);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* ====================================
   8. BADGES & LABELS
   ==================================== */

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-white);
}

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

.badge-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ====================================
   9. UTILITIES
   ==================================== */

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

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

.text-small {
  font-size: 14px;
}

.text-xs {
  font-size: 13px;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.hidden {
  display: none !important;
}

.visible-mobile {
  display: none;
}

/* ====================================
   10. ANIMATIONS
   ==================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

.slide-up {
  animation: slideUp var(--transition-slow) ease-out;
}

/* ====================================
   11. MOBILE RESPONSIVE
   ==================================== */

@media (max-width: 1024px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--container-padding-mobile);
  }
  
  h1 {
    font-size: 32px;
  }
  
  h2 {
    font-size: 24px;
  }
  
  h3 {
    font-size: 20px;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-large {
    padding: var(--spacing-3xl) 0;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .visible-mobile {
    display: block;
  }
  
  .hidden-mobile {
    display: none !important;
  }
  
  .btn-full-mobile {
    width: 100%;
  }
}

/* ====================================
   12. ACCESSIBILITY
   ==================================== */

/* Focus styles for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -50px;
  left: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* Screen reader only */
.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;
}

/* ====================================
   13. PRINT STYLES
   ==================================== */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a,
  a:visited {
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
  }
  
  abbr[title]::after {
    content: " (" attr(title) ")";
  }
  
  img {
    page-break-inside: avoid;
  }
  
  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
}