/*
Theme Name: Radwan Industries
Theme URI: https://radwanindustries.com
Author: Radwan Industries
Author URI: https://radwanindustries.com
Description: A modern, responsive WordPress theme for Radwan Industries - Leading metal scrap processing company in North Africa and the Middle East
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: radwan-industries
Tags: industrial, business, responsive, modern, custom-design
*/

/* ==========================================================================
   CSS Custom Properties (Design System)
   ========================================================================== */

:root {
  /* Color Palette - Industrial Theme */
  --color-primary: #1a4d7a;
  --color-primary-light: #2a6ba8;
  --color-primary-dark: #0f3855;
  --color-secondary: #f39c12;
  --color-accent: #e74c3c;
  
  --color-steel-gray: #455a64;
  --color-light-gray: #eceff1;
  --color-medium-gray: #90a4ae;
  --color-dark-gray: #263238;
  
  --color-white: #ffffff;
  --color-black: #1a1a1a;
  --color-text: #2c3e50;
  --color-text-light: #546e7a;
  
  /* Gradient */
  --gradient-primary: linear-gradient(135deg, #1a4d7a 0%, #2a6ba8 100%);
  --gradient-accent: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(26, 77, 122, 0.9) 0%, rgba(15, 56, 85, 0.95) 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Roboto', sans-serif;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  
  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-8: 3rem;      /* 48px */
  --space-10: 4rem;     /* 64px */
  --space-12: 6rem;     /* 96px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--space-4);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

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

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

/* ==========================================================================
   Layout
   ========================================================================== */

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

.section {
  padding: var(--space-10) 0;
}

.section-dark {
  background-color: var(--color-dark-gray);
  color: var(--color-white);
}

.section-light {
  background-color: var(--color-light-gray);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  background: var(--gradient-primary);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--container-padding);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-logo h1 {
  margin: 0;
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  font-weight: 700;
}

.site-logo img {
  height: 50px;
  width: auto;
}

/* Main Navigation */
.main-navigation {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
}

.main-navigation a {
  color: var(--color-white);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Search Form */
.header-search {
  display: flex;
  align-items: center;
}

.search-form {
  display: flex;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: var(--space-2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.search-form input {
  background: transparent;
  border: none;
  color: var(--color-white);
  padding: var(--space-2) var(--space-3);
  outline: none;
  min-width: 200px;
}

.search-form input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-form button {
  background: var(--color-secondary);
  border: none;
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-base);
}

.search-form button:hover {
  background: var(--color-accent);
  transform: scale(1.05);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--space-2);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  background: var(--gradient-overlay), url('assets/images/hero-bg.jpg') center/cover;
  padding: var(--space-12) 0;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(243, 156, 18, 0.1) 0%, transparent 70%);
  animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-5);
  color: var(--color-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out;
}

.hero-description {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-6);
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.8;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Cards & Components
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}

.card-content {
  color: var(--color-text-light);
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-weight: 600;
  margin-top: var(--space-4);
  transition: gap var(--transition-base);
}

.card-link:hover {
  gap: var(--space-3);
}

/* Glassmorphism Card Variant */
.card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

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

/* ==========================================================================
   Lists
   ========================================================================== */

.styled-list {
  list-style: none;
  padding: 0;
}

.styled-list li {
  padding: var(--space-3) 0;
  padding-left: var(--space-8);
  position: relative;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-light-gray);
}

.styled-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: var(--space-6);
  height: var(--space-6);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-dark-gray);
  color: var(--color-white);
  padding: var(--space-8) 0 var(--space-4) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-6);
}

.footer-section h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xl);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--color-secondary);
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-4);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact-item strong {
  color: var(--color-secondary);
  min-width: 80px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 968px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }
  
  .main-navigation {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--gradient-primary);
    flex-direction: column;
    padding: var(--space-6);
    transition: left var(--transition-slow);
  }
  
  .main-navigation.active {
    left: 0;
  }
  
  .main-navigation ul {
    flex-direction: column;
    width: 100%;
    gap: var(--space-3);
  }
  
  .main-navigation a {
    display: block;
    padding: var(--space-4);
    text-align: center;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .search-form {
    width: 100%;
    margin-top: var(--space-4);
  }
  
  .search-form input {
    width: 100%;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-section {
    padding: var(--space-8) 0;
  }
  
  .section {
    padding: var(--space-6) 0;
  }
  
  .container {
    padding: 0 var(--space-3);
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

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

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.flex { display: flex; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

.hidden { display: none; }

/* WordPress Specific */
.alignleft { float: left; margin-right: var(--space-4); }
.alignright { float: right; margin-left: var(--space-4); }
.aligncenter { display: block; margin: 0 auto; }