/* Modern Design System for Tech Vimal Foundation */

:root {
  /* Modern Color Palette */
  --primary-color: #3CC78F;
  --primary-dark: #2e9e6f;
  --primary-light: #5de0a8;
  --secondary-color: #2C3E50;
  --accent-color: #ff5252;
  --text-dark: #1a1a1a;
  --text-light: #6c757d;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-light: #e9ecef;
  
  /* Modern Typography */
  --font-primary: 'Inter', 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 12px 40px rgba(60, 199, 143, 0.2);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Import Modern Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* Global Resets & Modern Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary) !important;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
  background: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading) !important;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-dark);
}

/* Modern Header Styles */
.header-area {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 999;
  transition: var(--transition-base);
}

.header-top_area {
  background: transparent; /* remove green strip */
  padding: 12px 0;
}

.short_contact_list ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.short_contact_list li a {
  color: var(--text-dark); /* dark text on transparent bg */
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.short_contact_list li a:hover {
  opacity: 0.9;
  transform: translateX(2px);
}

/* Modern Navigation */
.main-header-area {
  padding: 0;
  background: rgba(22, 94, 56, 0.35); /* translucent green */
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px); /* glassmorphism */
  border-bottom: 1px solid rgba(60, 199, 143, 0.35);
}

.main-menu nav ul {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xs);
}

.main-menu nav ul li {
  position: relative;
  padding: var(--spacing-md) 0;
}

.main-menu nav ul li > a {
  color: #ffffff; /* readable on green glass */
  font-weight: 600;
  font-size: 15px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: block;
  letter-spacing: 0.3px;
}

.main-menu nav ul li > a:hover {
  background: rgba(60, 199, 143, 0.25);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Modern Dropdown Menu with Left-Right Layout */
.main-menu nav ul li ul.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-white);
  min-width: 500px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-base);
  padding: 0;
  z-index: 1000;
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: flex;
}

.main-menu nav ul li:hover > ul.submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Left Side - Motive/Description */
.main-menu nav ul li ul.submenu::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 200px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  z-index: 1;
}

.main-menu nav ul li ul.submenu .dropdown-motive {
  position: relative;
  z-index: 2;
  width: 200px;
  padding: 24px 20px;
  color: var(--bg-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.main-menu nav ul li ul.submenu .dropdown-motive h4 {
  color: var(--bg-white);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  font-family: var(--font-heading);
}

.main-menu nav ul li ul.submenu .dropdown-motive p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* Right Side - Menu Items */
.main-menu nav ul li ul.submenu .dropdown-items {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.main-menu nav ul li ul.submenu li {
  padding: 0;
  margin: 0;
  width: 100%;
}

.main-menu nav ul li ul.submenu li a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-fast);
  width: 100%;
  position: relative;
}

.main-menu nav ul li ul.submenu li a::before {
  content: "→";
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition-fast);
  color: var(--primary-color);
  font-weight: bold;
}

.main-menu nav ul li ul.submenu li a:hover {
  background: var(--bg-light);
  color: var(--primary-color);
  padding-left: 20px;
  transform: translateX(4px);
}

.main-menu nav ul li ul.submenu li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* Specific dropdown content for each menu */
.main-menu nav ul li:nth-child(2) ul.submenu .dropdown-motive h4::before {
  content: "👥";
  margin-right: 8px;
  font-size: 20px;
}

.main-menu nav ul li:nth-child(3) ul.submenu .dropdown-motive h4::before {
  content: "🤝";
  margin-right: 8px;
  font-size: 20px;
}

.main-menu nav ul li:nth-child(4) ul.submenu .dropdown-motive h4::before {
  content: "📚";
  margin-right: 8px;
  font-size: 20px;
}

.main-menu nav ul li:nth-child(5) ul.submenu .dropdown-motive h4::before {
  content: "🎯";
  margin-right: 8px;
  font-size: 20px;
}

/* Dropdown Arrow Indicator */
.main-menu nav ul li > a::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid var(--primary-color);
  opacity: 0;
  transition: var(--transition-fast);
}

.main-menu nav ul li:hover > a::after {
  opacity: 1;
}

/* Enhanced Button Styling in Dropdown */
.main-menu nav ul li ul.submenu .dropdown-items li a {
  position: relative;
  overflow: hidden;
}

.main-menu nav ul li ul.submenu .dropdown-items li a::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(60, 199, 143, 0.1), transparent);
  transition: left 0.4s ease;
}

.main-menu nav ul li ul.submenu .dropdown-items li a:hover::after {
  left: 100%;
}

/* Modern Logo */
.logo img {
  max-height: 70px;
  transition: var(--transition-base);
}

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

/* Modern Section Styling */
.section_padding {
  padding: 80px 0;
}

.section_title h3 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  position: relative;
  display: inline-block;
}

.section_title h3 span {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section_title h3::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: 2px;
}

/* Modern Cards */
.single_reson {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.single_reson::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  transform: scaleX(0);
  transition: var(--transition-base);
}

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

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

.single_reson h4 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.single_reson p {
  color: var(--text-light);
  line-height: 1.8;
  font-size: 15px;
}

/* Modern Causes/Cards */
.single_cause {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid var(--border-light);
}

.single_cause:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.single_cause .thumb {
  overflow: hidden;
  position: relative;
}

.single_cause .thumb img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.single_cause:hover .thumb img {
  transform: scale(1.1);
}

.single_cause .causes_content {
  padding: var(--spacing-lg);
}

.single_cause .causes_content h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.single_cause .causes_content p {
  color: var(--text-light);
  line-height: 1.7;
  font-size: 15px;
}

/* Modern Buttons */
.boxed-btn3,
.boxed-btn3:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--bg-white);
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 15px;
  display: inline-block;
  border: none;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.boxed-btn3::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: var(--transition-slow);
}

.boxed-btn3:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.boxed-btn3:hover::before {
  left: 100%;
}

/* Modern Footer */
.footer {
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  color: #e0e0e0;
  padding-top: 60px;
}

.footer_widget h3 {
  color: var(--bg-white);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: 12px;
}

.footer_widget h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
}

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

.footer_widget ul.links li {
  margin-bottom: 10px;
}

.footer_widget ul.links li a {
  color: #b0b0b0;
  font-size: 15px;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer_widget ul.links li a::before {
  content: '→';
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition-fast);
}

.footer_widget ul.links li a:hover {
  color: var(--primary-color);
  padding-left: 10px;
}

.footer_widget ul.links li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.socail_links ul {
  display: flex;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin-top: var(--spacing-md);
}

.socail_links ul li a {
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  transition: var(--transition-base);
}

.socail_links ul li a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

/* Enhanced Dropdown Animations */
.main-menu nav ul li ul.submenu {
  animation: dropdownSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes dropdownSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Dropdown Hover Effects */
.main-menu nav ul li ul.submenu .dropdown-motive {
  position: relative;
  overflow: hidden;
}

.main-menu nav ul li ul.submenu .dropdown-motive::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s ease;
}

.main-menu nav ul li:hover ul.submenu .dropdown-motive::after {
  left: 100%;
}

/* Modern Responsive Design */
@media (max-width: 991px) {
  .main-menu {
    display: none;
  }
  
  .section_padding {
    padding: 60px 0;
  }
  
  .section_title h3 {
    font-size: 28px;
  }
  
  /* Mobile dropdown adjustments */
  .main-menu nav ul li ul.submenu {
    min-width: 100vw;
    left: -20px;
    right: -20px;
    border-radius: 0;
    box-shadow: none;
    border: none;
    border-top: 1px solid var(--border-light);
  }
  
  .main-menu nav ul li ul.submenu::before {
    width: 100%;
    height: 80px;
  }
  
  .main-menu nav ul li ul.submenu .dropdown-motive {
    width: 100%;
    padding: 20px;
    text-align: center;
  }
  
  .main-menu nav ul li ul.submenu .dropdown-items {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .section_padding {
    padding: 40px 0;
  }
  
  .section_title h3 {
    font-size: 24px;
  }
  
  .single_reson,
  .single_cause .causes_content {
    padding: var(--spacing-md);
  }
}

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

.animated-hover {
  animation: fadeInUp 0.6s ease-out;
}

/* Accessibility Improvements */
:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 3px;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Modern Card Grid Layout */
.modern-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* Loading Animation */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-light);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Modern Skip to Content Link (Accessibility) */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary-color);
  color: var(--bg-white);
  padding: 12px 24px;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
  z-index: 10000;
  transition: var(--transition-base);
}

.skip-to-content:focus {
  top: 0;
}

/* Print Styles */
@media print {
  .header-area,
  .footer,
  .foundation-side-buttons,
  #miniWAButton {
    display: none;
  }
}