/*
Theme Name: Almahdi Platform
Theme URI: https://almahdiplatform.com
Author: Almahdi Team
Author URI: https://almahdiplatform.com
Description: A modern, AI-themed WordPress theme for the Almahdi educational platform featuring futuristic design, glassmorphism effects, and dynamic animations.
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: almahdi-platform
Tags: education, dark, modern, ai, responsive
*/

/* ========================
   CSS Variables & Tokens
   ======================== */
:root {
  /* Colors - Primary Palette */
  --color-primary: #1e3a8a;
  --color-secondary: #10b981;
  --color-accent: #06b6d4;
  --color-highlight: #22d3ee;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #06b6d4 100%);
  --gradient-secondary: linear-gradient(135deg, #10b981 0%, #22d3ee 100%);
  --gradient-glow: radial-gradient(circle, rgba(34, 211, 238, 0.3) 0%, transparent 70%);
  
  /* Dark Theme Colors */
  --color-bg-dark: #0a0e27;
  --color-bg-darker: #050817;
  --color-bg-card: rgba(30, 41, 59, 0.4);
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  --glass-blur: blur(12px);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-header: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;
}

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

body {
  font-family: var(--font-primary);
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at top, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

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

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

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

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

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================
   Header Styles
   ======================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(10, 14, 39, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.site-logo img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-fast);
}

.site-logo:hover img {
  transform: scale(1.05);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.main-navigation a {
  color: var(--color-text-primary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gradient-secondary);
  transition: transform var(--transition-fast);
}

.main-navigation a:hover::after,
.main-navigation a.current::after {
  transform: translateX(-50%) scaleX(1);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}

/* ========================
   Hero Section
   ======================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-xl) 0;
  margin-top: 70px;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  z-index: 2;
  position: relative;
}

.hero-title {
  font-size: 4rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-highlight);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-cta {
  display: inline-flex;
  gap: var(--spacing-sm);
  animation: fadeInUp 1s ease 0.6s both;
}

/* AI Brain Visualization */
.ai-brain {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  opacity: 0.3;
  z-index: 1;
  pointer-events: none;
}

.ai-brain::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: var(--gradient-glow);
  animation: pulse 4s ease-in-out infinite;
}

/* ========================
   Buttons
   ======================== */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.6);
  color: white;
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--color-text-primary);
  border: 2px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-2px);
}

/* ========================
   Cards & Components
   ======================== */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(31, 38, 135, 0.5);
  border-color: var(--color-accent);
}

.card-title {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ========================
   Features Section
   ======================== */
.features-section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

/* ========================
   Footer
   ======================== */
.site-footer {
  background: var(--color-bg-darker);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

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

.footer-section h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ========================
   Responsive Design
   ======================== */
@media (max-width: 768px) {
  .main-navigation {
    display: none;
  }
  
  .main-navigation.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-darker);
    border-top: 1px solid var(--glass-border);
  }
  
  .main-navigation ul {
    flex-direction: column;
    padding: var(--spacing-sm);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .ai-brain {
    width: 300px;
    height: 300px;
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0.5;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.6);
  }
}

/* ========================
   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); }
.mt-xl { margin-top: var(--spacing-xl); }

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

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }