/*
Theme Name: Dong Phuc Gao House Theme
Theme URI: https://example.com
Author: Your Company
Author URI: https://example.com
Description: Custom WordPress theme for Dong Phuc Gao House
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dongphucgaohouse-theme
*/

/* ============================================
   CSS Variables
   ============================================ */
:root {
  --brand-color: #28b350;
  --brand-color-dark: color-mix(in srgb, #28b350 80%, black);
  --brand-color-light: color-mix(in srgb, #28b350 20%, white);
  
  --text-color: #333333;
  --text-light: #666666;
  --bg-color: #ffffff;
  --bg-gray: #f5f5f5;
  
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Georgia', serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

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

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

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

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.site-header {
  background-color: var(--bg-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: var(--spacing-sm) 0;
}

.site-footer {
  background-color: var(--text-color);
  color: white;
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

/* ============================================
   Components
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--brand-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}

.btn:hover {
  background-color: var(--brand-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card {
  background-color: var(--bg-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transform: translateY(-4px);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
}