/* ==========================================================================
   YESHIVAT DAVID HAMELECH - PREMIUM WEBSITE DESIGN
   World-Class School & Donation Platform
   Modern, Compelling, Irresistible
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES - Design System
   ========================================================================== */
:root {
  /* Hebrew Page - Enrollment Focus Colors */
  --color-he-primary: #1a4d8f;       /* Deep trustworthy blue */
  --color-he-secondary: #d4af37;     /* Warm gold - prestige */
  --color-he-accent: #16a085;        /* Teal - growth */
  --color-he-success: #27ae60;       /* Green - nurturing */
  
  /* English Page - Donation Focus Colors */
  --color-en-primary: #1565c0;       /* Vibrant blue */
  --color-en-secondary: #f57c00;     /* Warm orange - urgency */
  --color-en-accent: #00897b;        /* Teal - hope */
  --color-en-impact: #c62828;        /* Red - importance */
  
  /* Universal Neutrals */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f0f0f3;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography Scale */
  --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 */
  --font-size-6xl: 3.75rem;     /* 60px */
  --font-size-7xl: 4.5rem;      /* 72px */
  --font-size-8xl: 6rem;        /* 96px */
  
  /* Font Families */
  --font-he-display: 'Rubik', system-ui, sans-serif;
  --font-he-body: 'Heebo', system-ui, sans-serif;
  --font-he-accent: 'Assistant', system-ui, sans-serif;
  
  --font-en-display: 'Inter', -apple-system, sans-serif;
  --font-en-heading: 'Poppins', -apple-system, sans-serif;
  --font-en-body: 'Open Sans', -apple-system, sans-serif;
  --font-en-accent: 'Playfair Display', Georgia, serif;
  
  /* Spacing Scale (8px base) */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 2.5rem;   /* 40px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  --space-10: 5rem;    /* 80px */
  --space-12: 6rem;    /* 96px */
  --space-16: 8rem;    /* 128px */
  --space-20: 10rem;   /* 160px */
  
  /* Shadows - Elevation System */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-3xl: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
  
  /* Border Radius */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-3xl: 2rem;      /* 32px */
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-en-body);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
  position: relative;
}

/* Hebrew-specific styling */
body[dir="rtl"] {
  font-family: var(--font-he-body);
  direction: rtl;
  text-align: right;
}

body[dir="ltr"] {
  direction: ltr;
  text-align: left;
}

/* ==========================================================================
   TYPOGRAPHY SYSTEM
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

h1 {
  font-size: var(--font-size-7xl);
  font-weight: 900;
  font-family: var(--font-en-display);
}

h2 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  font-family: var(--font-en-display);
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-en-heading);
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

body[dir="rtl"] h1,
body[dir="rtl"] h2,
body[dir="rtl"] h3 {
  font-family: var(--font-he-display);
}

p {
  margin-bottom: var(--space-3);
  line-height: 1.8;
}

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

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

body[dir="rtl"] a:hover {
  color: var(--color-he-primary);
}

@media (max-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
  h2 { font-size: var(--font-size-4xl); }
  h3 { font-size: var(--font-size-2xl); }
  
  body {
    font-size: var(--font-size-lg);
  }
}

/* ==========================================================================
   LAYOUT SYSTEM
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
}

.section-alt {
  background-color: var(--color-gray-50);
}

/* ==========================================================================
   NAVIGATION - Modern Sticky Nav
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: transform var(--transition-base);
}

body[dir="ltr"] .logo {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo:hover {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-he-primary), var(--color-he-accent));
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

body[dir="ltr"] .nav-link::after {
  background: linear-gradient(90deg, var(--color-en-primary), var(--color-en-accent));
}

.nav-link:hover {
  color: var(--color-he-primary);
  background-color: rgba(26, 77, 143, 0.05);
}

body[dir="ltr"] .nav-link:hover {
  color: var(--color-en-primary);
  background-color: rgba(21, 101, 192, 0.05);
}

.nav-link:hover::after {
  width: 80%;
}

.lang-switcher {
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-gray-100);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.lang-switcher:hover {
  background-color: var(--color-gray-200);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-4xl);
  cursor: pointer;
  color: var(--color-gray-700);
  padding: var(--space-1);
  transition: transform var(--transition-base);
}

.menu-toggle:active {
  transform: scale(0.95);
}

@media (max-width: 968px) {
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-6);
    box-shadow: var(--shadow-3xl);
    transform: translateY(-100vh);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slower);
    max-height: calc(100vh - 73px);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-xl);
  }
}

/* ==========================================================================
   HERO SECTION - Dramatic & Compelling
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-he-primary) 0%, #2c5aa0 50%, var(--color-he-accent) 100%);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
}

body[dir="ltr"] .hero {
  background: linear-gradient(135deg, var(--color-en-primary) 0%, #1976d2 50%, var(--color-en-accent) 100%);
  background-size: 200% 200%;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(22, 160, 133, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
  animation: float 20s linear infinite;
}

@keyframes float {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-30px, -30px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-4);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  animation: float 3s ease-in-out infinite;
}

.badge-icon {
  font-size: var(--font-size-xl);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero h1 {
  color: var(--color-white);
  font-size: var(--font-size-8xl);
  font-weight: 900;
  margin-bottom: var(--space-6);
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.15);
  line-height: 1.1;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s ease-out;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-he-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

body[dir="ltr"] .gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-en-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: rgba(255, 255, 255, 0.95);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-8);
  line-height: 1.7;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .text-gold {
  color: var(--color-he-secondary);
  font-weight: 700;
}

body[dir="ltr"] .hero .text-gold {
  color: var(--color-en-secondary);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
  animation: fadeInUp 1.2s ease-out 0.4s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   BUTTONS - Premium Interactive Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-xl);
  font-weight: 700;
  border-radius: var(--radius-2xl);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  min-width: 200px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left var(--transition-slower);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-he-secondary) 0%, #f0c25a 100%);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}

body[dir="ltr"] .btn-primary {
  background: linear-gradient(90deg, var(--color-en-secondary) 0%, #ff9100 100%);
  box-shadow: 0 4px 20px rgba(245, 124, 0, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.6);
}

body[dir="ltr"] .btn-primary:hover {
  box-shadow: 0 8px 30px rgba(245, 124, 0, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-color: var(--color-white);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-he-primary);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

body[dir="ltr"] .btn-secondary:hover {
  color: var(--color-en-primary);
}

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

body[dir="ltr"] .btn-outline {
  color: var(--color-en-primary);
  border-color: var(--color-en-primary);
}

.btn-outline:hover {
  background-color: var(--color-he-primary);
  color: var(--color-white);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

body[dir="ltr"] .btn-outline:hover {
  background-color: var(--color-en-primary);
}

@media (max-width: 768px) {
  .btn {
    width: 100%;
    max-width: 400px;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* ==========================================================================
   GRID SYSTEM
   ========================================================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ==========================================================================
   PREMIUM FEATURE CARDS
   ========================================================================== */
.feature-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-3xl);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-bounce);
  overflow: hidden;
  border: 1px solid rgba(26, 77, 143, 0.08);
}

body[dir="ltr"] .feature-card {
  border-color: rgba(21, 101, 192, 0.08);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-he-primary), var(--color-he-secondary), var(--color-he-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

body[dir="ltr"] .feature-card::before {
  background: linear-gradient(90deg, var(--color-en-primary), var(--color-en-secondary), var(--color-en-accent));
}

.feature-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-3xl);
}

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

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

body[dir="ltr"] .card-glow {
  background: radial-gradient(circle, rgba(245,124,0,0.08) 0%, transparent 70%);
}

.feature-card:hover .card-glow {
  opacity: 1;
}

.card-icon-wrapper {
  position: relative;
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-5);
}

.card-icon {
  font-size: 56px;
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  transition: transform var(--transition-bounce);
}

.feature-card:hover .card-icon {
  transform: scale(1.15) rotate(5deg);
}

.card-icon-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26,77,143,0.1), rgba(22,160,133,0.1));
  border-radius: 50%;
  z-index: 1;
  transition: all var(--transition-bounce);
}

body[dir="ltr"] .card-icon-bg {
  background: linear-gradient(135deg, rgba(21,101,192,0.1), rgba(0,137,123,0.1));
}

.feature-card:hover .card-icon-bg {
  transform: scale(1.4) rotate(-10deg);
  background: linear-gradient(135deg, rgba(26,77,143,0.2), rgba(212,175,55,0.2));
}

body[dir="ltr"] .feature-card:hover .card-icon-bg {
  background: linear-gradient(135deg, rgba(21,101,192,0.2), rgba(245,124,0,0.2));
}

.card h3 {
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-3xl);
  text-align: center;
}

.card h4 {
  color: var(--color-he-secondary);
  margin-bottom: var(--space-3);
  text-align: center;
}

body[dir="ltr"] .card h4 {
  color: var(--color-en-secondary);
}

.card p {
  color: var(--color-gray-600);
  line-height: 1.8;
  text-align: center;
  margin-bottom: 0;
}

.card-footer {
  margin-top: var(--space-4);
  text-align: center;
}

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

body[dir="ltr"] .card-link {
  color: var(--color-en-primary);
}

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

.card-link .arrow {
  transition: transform var(--transition-base);
}

.card-link:hover .arrow {
  transform: translateX(4px);
}

body[dir="rtl"] .card-link:hover .arrow {
  transform: translateX(-4px);
}

/* ==========================================================================
   STATS SECTION - Circular Progress & Animated Counters
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.stat-card {
  text-align: center;
  position: relative;
}

.stat-progress {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto var(--space-4);
}

.stat-progress svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.stat-progress-bg {
  fill: none;
  stroke: var(--color-gray-200);
  stroke-width: 12;
}

.stat-progress-fill {
  fill: none;
  stroke: url(#statGradient);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 440;
  stroke-dashoffset: 440;
  transition: stroke-dashoffset 2s var(--transition-bounce);
}

.stat-progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-4xl);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body[dir="ltr"] .stat-progress-text {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.stat-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ==========================================================================
   TESTIMONIALS - Avatar Cards with Verification
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  border: 2px solid transparent;
  background-clip: padding-box;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

body[dir="ltr"] .testimonial-card::before {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-secondary));
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.testimonial-card:hover::before {
  opacity: 1;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.testimonial-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-white);
  flex-shrink: 0;
}

body[dir="ltr"] .testimonial-avatar {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-secondary));
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #1565c0, #00897b);
  border-radius: 50%;
  color: var(--color-white);
  font-size: 12px;
}

.testimonial-meta {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.testimonial-rating {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.star {
  color: #fbbf24;
  font-size: var(--font-size-lg);
}

.testimonial-text {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-gray-700);
  font-style: italic;
  position: relative;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

body[dir="rtl"] .testimonial-text {
  padding-right: var(--space-6);
  padding-left: var(--space-6);
}

.testimonial-text::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 0;
  font-size: var(--font-size-6xl);
  color: var(--color-gray-200);
  font-family: Georgia, serif;
  line-height: 1;
}

body[dir="rtl"] .testimonial-text::before {
  left: auto;
  right: 0;
}

/* ==========================================================================
   PRICING TIERS / DONATION TIERS - Enhanced Cards
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  border: 2px solid var(--color-gray-200);
  transition: all var(--transition-bounce);
  overflow: hidden;
}

.pricing-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(26, 77, 143, 0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

body[dir="ltr"] .pricing-card::after {
  background: radial-gradient(circle, rgba(245, 124, 0, 0.05) 0%, transparent 70%);
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-he-primary);
}

body[dir="ltr"] .pricing-card:hover {
  border-color: var(--color-en-secondary);
}

.pricing-card:hover::after {
  opacity: 1;
}

.pricing-card.featured {
  border-color: var(--color-he-primary);
  box-shadow: 0 0 0 4px rgba(26, 77, 143, 0.1), var(--shadow-xl);
}

body[dir="ltr"] .pricing-card.featured {
  border-color: var(--color-en-secondary);
  box-shadow: 0 0 0 4px rgba(245, 124, 0, 0.1), var(--shadow-xl);
}

.pricing-badge {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: linear-gradient(135deg, var(--color-he-secondary), #f4d03f);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: pulse 2s infinite;
}

body[dir="ltr"] .pricing-badge {
  background: linear-gradient(135deg, var(--color-en-secondary), #ff9800);
}

body[dir="rtl"] .pricing-badge {
  right: auto;
  left: var(--space-6);
}

.pricing-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  border-radius: var(--radius-lg);
  font-size: var(--font-size-4xl);
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

body[dir="ltr"] .pricing-icon {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-secondary));
}

.pricing-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-gray-800);
  text-align: center;
  margin-bottom: var(--space-2);
}

.pricing-amount {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  text-align: center;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body[dir="ltr"] .pricing-amount {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pricing-period {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  text-align: center;
  margin-bottom: var(--space-6);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
}

.pricing-features li {
  padding: var(--space-3) 0;
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pricing-features li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--color-he-success), #2ecc71);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-progress {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

.pricing-progress-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
  display: flex;
  justify-content: space-between;
}

.pricing-progress-bar {
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.pricing-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-he-primary), var(--color-he-accent));
  border-radius: var(--radius-full);
  transition: width 1.5s var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

body[dir="ltr"] .pricing-progress-fill {
  background: linear-gradient(90deg, var(--color-en-primary), var(--color-en-secondary));
}

.pricing-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

.pricing-impact {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: linear-gradient(135deg, rgba(26, 77, 143, 0.05), rgba(22, 160, 133, 0.05));
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  text-align: center;
  font-weight: 600;
}

body[dir="ltr"] .pricing-impact {
  background: linear-gradient(135deg, rgba(21, 101, 192, 0.05), rgba(245, 124, 0, 0.05));
}

/* ==========================================================================
   FOOTER - Multi-Column Layout
   ========================================================================== */
footer {
  background: linear-gradient(180deg, var(--color-gray-900), var(--color-black));
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-column h4 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--color-gray-400);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a:hover {
  color: var(--color-white);
  gap: var(--space-3);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--color-he-primary), var(--color-he-accent));
  transform: translateY(-4px);
}

body[dir="ltr"] .social-link:hover {
  background: linear-gradient(135deg, var(--color-en-primary), var(--color-en-secondary));
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   ANIMATION KEYFRAMES
   ========================================================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes zoom-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes borderAnimation {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes glow {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN - Mobile First
   ========================================================================== */

/* Extra Small Devices (320px - 479px) */
@media (max-width: 479px) {
  :root {
    --font-size-8xl: 3rem;
    --font-size-7xl: 2.5rem;
    --font-size-6xl: 2rem;
  }
  
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-description {
    font-size: var(--font-size-base);
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .nav-menu {
    padding: var(--space-6) var(--space-4);
  }
}

/* Small Devices (480px - 767px) */
@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-badges {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .badge {
    width: 100%;
    justify-content: center;
  }
}

/* Medium Devices (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large Devices (1024px+) */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    display: flex;
  }
  
  /* Parallax effect for hero on desktop */
  .hero {
    background-attachment: fixed;
  }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.text-center {
  text-align: center;
}

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

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

.text-white {
  color: var(--color-white);
}

.text-gray {
  color: var(--color-gray-600);
}

.text-primary {
  color: var(--color-he-primary);
}

body[dir="ltr"] .text-primary {
  color: var(--color-en-primary);
}

.text-secondary {
  color: var(--color-he-secondary);
}

body[dir="ltr"] .text-secondary {
  color: var(--color-en-secondary);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.hidden {
  display: none;
}

.visible {
  display: block;
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */
.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;
}

/* Focus states for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-he-primary);
  outline-offset: 2px;
}

body[dir="ltr"] a:focus-visible,
body[dir="ltr"] button:focus-visible,
body[dir="ltr"] input:focus-visible,
body[dir="ltr"] select:focus-visible,
body[dir="ltr"] textarea:focus-visible {
  outline-color: var(--color-en-secondary);
}

/* Reduced motion for accessibility */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-gray-600: #000000;
    --color-gray-700: #000000;
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}

/* ==========================================================================
   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) ")";
  }
  
  img {
    page-break-inside: avoid;
  }
  
  h2,
  h3,
  p {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
  
  .nav,
  .footer,
  .btn {
    display: none;
  }
}