/* CSS Variables - Design System */
:root {
  /* Primary Colors - Complementary Color Scheme */
  --primary-color: #2E86C1;
  --primary-light: #5DADE2;
  --primary-dark: #1B4F72;
  --secondary-color: #E67E22;
  --secondary-light: #F39C12;
  --secondary-dark: #D35400;
  
  /* Accent Colors */
  --accent-green: #27AE60;
  --accent-green-light: #58D68D;
  --accent-green-dark: #1E8449;
  --accent-purple: #8E44AD;
  --accent-purple-light: #BB8FCE;
  --accent-purple-dark: #6C3483;
  
  /* Neutral Colors - Eco-minimalism */
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #E9ECEF;
  --dark-gray: #6C757D;
  --darker-gray: #495057;
  --black: #212529;
  
  /* Background Colors */
  --bg-primary: #FAFBFC;
  --bg-secondary: #F5F6F7;
  --bg-card: #FFFFFF;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  --bg-hero-overlay: rgba(46, 134, 193, 0.15);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-green) 0%, var(--primary-light) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(46, 134, 193, 0.8) 0%, rgba(230, 126, 34, 0.7) 100%);
  --gradient-card: linear-gradient(145deg, #f0f2f5, #ffffff);
  
  /* Neumorphism Shadows */
  --shadow-light: 8px 8px 16px #d1d9e6, -8px -8px 16px #ffffff;
  --shadow-dark: inset 8px 8px 16px #d1d9e6, inset -8px -8px 16px #ffffff;
  --shadow-hover: 12px 12px 20px #c8d0e7, -12px -12px 20px #ffffff;
  --shadow-card: 6px 6px 12px rgba(163, 177, 198, 0.3), -6px -6px 12px rgba(255, 255, 255, 0.8);
  
  /* Typography */
  --font-primary: 'Roboto', sans-serif;
  --font-secondary: 'Lato', sans-serif;
  
  /* Font Sizes */
  --fs-hero: clamp(2.5rem, 5vw, 4rem);
  --fs-h1: clamp(2rem, 4vw, 3rem);
  --fs-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 2.5vw, 1.75rem);
  --fs-h4: clamp(1.125rem, 2vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-navbar: 1000;
  --z-modal: 1050;
  --z-tooltip: 1100;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--darker-gray);
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--black);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--darker-gray);
}

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

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

img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

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

/* Global Button Styles */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: var(--fs-body);
  min-width: 150px;
}

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

.btn:active {
  transform: translateY(0);
}

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

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

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

button, input[type='submit'] {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: var(--fs-body);
  min-width: 150px;
}

button:hover, input[type='submit']:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: var(--white);
}

/* Section Styles */
section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: var(--fs-h2);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  font-size: 1.1rem;
  color: var(--dark-gray);
  line-height: 1.7;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: var(--z-navbar);
  transition: var(--transition-normal);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

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

.brand-logo {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.nav-menu {
  display: flex;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-link {
  font-weight: 500;
  color: var(--darker-gray);
  transition: var(--transition-normal);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  transition: var(--transition-normal);
  border-radius: 2px;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
}

.hero-title {
  font-size: var(--fs-hero);
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  color: var(--white);
  opacity: 0.9;
  line-height: 1.6;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Particles Animation */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0; }
  50% { transform: translateY(-100px) rotate(180deg); opacity: 1; }
}

/* Statistics Section */
.statistics {
  background: var(--bg-secondary);
  padding: var(--spacing-xxl) 0;
}

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

.stat-card {
  background: var(--gradient-card);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: 1.1rem;
  color: var(--darker-gray);
  font-weight: 500;
}

/* Process Section */
.process {
  padding: var(--spacing-xxl) 0;
}

.process-timeline {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-xxl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  margin-right: var(--spacing-xl);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: var(--spacing-xl);
}

.timeline-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: var(--shadow-card);
}

.timeline-content {
  flex: 1;
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
}

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

.timeline-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Partners Section */
.partners {
  background: var(--bg-secondary);
  padding: var(--spacing-xxl) 0;
}

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

.partner-card {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.partner-logo {
  width: 100%;
  height: 120px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

.partner-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Projects Section */
.projects {
  padding: var(--spacing-xxl) 0;
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-card);
  border: 2px solid var(--medium-gray);
  border-radius: var(--border-radius-md);
  color: var(--darker-gray);
  cursor: pointer;
  transition: var(--transition-normal);
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: var(--primary-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.card-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Case Studies Section */
.case-studies {
  background: var(--bg-secondary);
  padding: var(--spacing-xxl) 0;
}

.case-studies-carousel {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.case-study-slide {
  display: none;
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  align-items: center;
}

.case-study-slide.active {
  display: flex;
}

.case-image {
  flex: 1;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content {
  flex: 1;
  padding: var(--spacing-xl);
}

.case-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.carousel-btn {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-hover);
}

/* Success Stories Section */
.success-stories {
  padding: var(--spacing-xxl) 0;
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.story-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.story-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.story-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-content {
  padding: var(--spacing-lg);
  text-align: center;
}

.story-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.story-achievement {
  background: var(--gradient-secondary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

/* Insights Section */
.insights {
  background: var(--bg-secondary);
  padding: var(--spacing-xxl) 0;
}

.insights-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-card);
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--darker-gray);
  cursor: pointer;
  transition: var(--transition-normal);
  font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--gradient-primary);
  color: var(--white);
}

.tab-content {
  display: none;
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.tab-content.active {
  display: block;
}

.insight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.insight-item img {
  flex: 1;
  max-width: 400px;
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

.insight-text {
  flex: 1;
  padding: var(--spacing-lg);
}

.insight-text h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* News Section */
.news {
  padding: var(--spacing-xxl) 0;
}

.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
}

.news-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.news-card.featured {
  grid-row: span 2;
}

.news-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card.featured .news-image {
  height: 250px;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  padding: var(--spacing-lg);
  text-align: center;
}

.news-category {
  display: inline-block;
  background: var(--gradient-secondary);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.news-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.news-date {
  color: var(--dark-gray);
  font-size: var(--fs-small);
  margin-top: var(--spacing-sm);
}

/* External Resources Section */
.external-resources {
  background: var(--bg-secondary);
  padding: var(--spacing-xxl) 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.resource-card {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.resource-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.resource-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-normal);
}

.resource-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  color: var(--white);
}

/* Contact Section */
.contact {
  padding: var(--spacing-xxl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xxl);
  max-width: 1200px;
  margin: 0 auto;
}

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

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-card);
}

.info-icon {
  font-size: 1.5rem;
  margin-top: var(--spacing-xs);
}

.info-text h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.info-text p {
  margin: 0;
  color: var(--darker-gray);
}

.contact-form-wrapper {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 600;
  color: var(--darker-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid var(--medium-gray);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-secondary);
  transition: var(--transition-normal);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.1);
}

/* Footer */
.footer {
  background: var(--black);
  color: var(--white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section ul li a {
  color: var(--light-gray);
  transition: var(--transition-normal);
}

.footer-section ul li a:hover {
  color: var(--primary-light);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.social-links a {
  color: var(--light-gray);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-normal);
  text-decoration: none;
  border: 1px solid var(--dark-gray);
}

.social-links a:hover {
  color: var(--white);
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid var(--dark-gray);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--light-gray);
}

/* Success Page Styles */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-lg);
}

.success-content {
  max-width: 600px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xxl);
  box-shadow: var(--shadow-card);
}

.success-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  color: var(--accent-green-light);
}

.success-content h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.success-content p {
  color: var(--white);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

/* Privacy & Terms Pages */
.legal-page {
  padding-top: 100px;
  min-height: 100vh;
  background: var(--bg-primary);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xxl) var(--spacing-md);
}

.legal-content h1 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--primary-color);
}

.legal-content h2 {
  color: var(--primary-color);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal-content p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content ul li {
  margin-bottom: var(--spacing-xs);
  color: var(--darker-gray);
}

/* About & Contact Pages */
.page-content {
  padding-top: 100px;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Navigation */
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    z-index: var(--z-navbar);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  /* Hero */
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  /* Statistics */
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  /* Process Timeline */
  .process-timeline::before {
    left: 30px;
  }
  
  .timeline-item {
    flex-direction: row !important;
    padding-left: var(--spacing-xxl);
  }
  
  .timeline-icon {
    left: 30px;
    transform: none;
  }
  
  .timeline-content {
    text-align: left !important;
    margin: 0 !important;
  }
  
  /* Projects Filter */
  .projects-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }
  
  .filter-btn {
    flex-shrink: 0;
  }
  
  /* Grids */
  .projects-grid,
  .stories-grid,
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  /* Case Studies */
  .case-study-slide {
    flex-direction: column;
  }
  
  .case-image {
    height: 200px;
  }
  
  /* Insights */
  .insight-item {
    flex-direction: column;
  }
  
  .insight-item img {
    max-width: 100%;
  }
  
  /* Contact */
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .btn {
    min-width: auto;
    width: 100%;
  }
  
  .hero-buttons {
    gap: var(--spacing-sm);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--medium-gray);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--medium-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}