:root {
  /* Tetrad Color Scheme */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #dc2626;
  --secondary-dark: #b91c1c;
  --secondary-light: #ef4444;
  --accent-color: #16a34a;
  --accent-dark: #15803d;
  --accent-light: #22c55e;
  --complementary-color: #ca8a04;
  --complementary-dark: #a16207;
  --complementary-light: #eab308;
  
  /* Neutral Colors */
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-heading: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Shadows - Neumorphism */
  --shadow-neu-inset: inset 8px 8px 16px rgba(163, 177, 198, 0.6), inset -8px -8px 16px rgba(255, 255, 255, 0.5);
  --shadow-neu-outset: 8px 8px 16px rgba(163, 177, 198, 0.6), -8px -8px 16px rgba(255, 255, 255, 0.5);
  --shadow-neu-pressed: inset 4px 4px 8px rgba(163, 177, 198, 0.6), inset -4px -4px 8px rgba(255, 255, 255, 0.5);
  --shadow-neu-elevated: 12px 12px 24px rgba(163, 177, 198, 0.8), -12px -12px 24px rgba(255, 255, 255, 0.6);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
  --gradient-complementary: linear-gradient(135deg, var(--complementary-color) 0%, var(--complementary-dark) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-50);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--gray-700);
}

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

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

/* Buttons - Global Base Styles */
.btn, button, input[type='submit'] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 48px;
  gap: var(--spacing-xs);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: var(--gradient-primary);
  box-shadow: var(--shadow-neu-elevated);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-primary:active {
  box-shadow: var(--shadow-neu-pressed);
  transform: translateY(0);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
  box-shadow: var(--shadow-neu-elevated);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background: var(--gradient-accent);
  box-shadow: var(--shadow-neu-elevated);
  transform: translateY(-2px);
  color: var(--white);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-neu-outset);
}

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

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

.navbar-brand .brand-link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  align-items: center;
}

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

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(37, 99, 235, 0.1);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: var(--spacing-xs);
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-neu-elevated);
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* Section Base Styles */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: var(--transition-normal);
  overflow: hidden;
  position: relative;
  text-align: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
  margin: 0 auto;
  display: block;
}

.card:hover .card-image img {
  transform: scale(1.1);
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-content h3 {
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

.card-content p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-600);
  line-height: 1.6;
}

/* Grid Layouts */
.services-grid,
.features-grid,
.blog-grid,
.projects-grid,
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

/* Services Section */
.services-section {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

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

.price-tag {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  margin-top: auto;
  box-shadow: var(--shadow-neu-outset);
}

/* Features Section */
.features-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-item:hover {
  box-shadow: var(--shadow-neu-elevated);
  transform: translateY(-8px);
}

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

.feature-item h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.feature-item p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* Statistics Section */
.statistics-section {
  padding: var(--spacing-3xl) 0;
  background: var(--gradient-primary);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.statistics-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.05"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.05"/><circle cx="10" cy="90" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.statistics-section .section-title {
  color: var(--white);
  background: none;
  -webkit-text-fill-color: var(--white);
}

.statistics-section .section-title::after {
  background: var(--white);
}

.stat-widget {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-neu-outset);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  display: block;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: width 2s ease-out;
  width: 0%;
}

/* Methodology Section */
.methodology-section {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.methodology-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: var(--transition-normal);
  position: relative;
}

.methodology-step:hover {
  box-shadow: var(--shadow-neu-elevated);
  transform: translateY(-4px);
}

.step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-heading);
  box-shadow: var(--shadow-neu-outset);
}

.step-content h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.step-content p {
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* Insights Section */
.insights-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.insights-accordion {
  max-width: 800px;
  margin: 0 auto;
  margin-top: var(--spacing-2xl);
}

.accordion-item {
  background: var(--white);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: var(--spacing-lg);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-normal);
  font-family: var(--font-heading);
}

.accordion-header:hover {
  background: rgba(37, 99, 235, 0.05);
}

.accordion-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: var(--transition-normal);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.accordion-item.active .accordion-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 200px;
}

.accordion-content p {
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* Mission Section */
.mission-section {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.mission-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.mission-text p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.mission-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-neu-elevated);
}

.mission-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.mission-image:hover img {
  transform: scale(1.05);
}

/* Projects Section */
.projects-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--white);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: var(--transition-slow);
  z-index: 10;
}

.project-card:hover::before {
  left: 100%;
}

/* Blog Section */
.blog-section {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.blog-card {
  position: relative;
  overflow: hidden;
}

.blog-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.blog-date {
  color: var(--gray-500);
}

.blog-category {
  background: var(--gradient-accent);
  color: var(--white);
  padding: 2px var(--spacing-xs);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.read-more {
  color: var(--primary-color);
  font-weight: 600;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: var(--transition-normal);
}

.read-more:hover {
  color: var(--primary-dark);
  transform: translateX(4px);
}

/* Resources Section */
.resources-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.resource-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
  text-align: center;
}

.resource-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.resource-link {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-normal);
}

.resource-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateX(4px);
}

/* News Section */
.news-section {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.news-list {
  max-width: 800px;
  margin: 0 auto;
  margin-top: var(--spacing-2xl);
}

.news-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
  transition: var(--transition-normal);
}

.news-item:hover {
  box-shadow: var(--shadow-neu-elevated);
  transform: translateX(8px);
}

.news-date {
  flex-shrink: 0;
  background: var(--gradient-complementary);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  height: fit-content;
}

.news-content h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.news-content p {
  color: var(--gray-600);
  margin: 0;
  line-height: 1.6;
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.contact-info {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-neu-inset);
  height: fit-content;
}

.contact-info h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  margin-bottom: var(--spacing-lg);
}

.contact-item strong {
  display: block;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.contact-item p {
  color: var(--gray-600);
  margin: 0;
  line-height: 1.5;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-neu-outset);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--gray-900);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--white);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-neu-inset);
}

.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(37, 99, 235, 0.1);
}

.btn-submit {
  width: 100%;
  margin-top: var(--spacing-md);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.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 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-section p {
  color: var(--gray-400);
  line-height: 1.6;
}

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

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

.footer-section ul li a {
  color: var(--gray-400);
  text-decoration: none;
  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 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  color: var(--gray-400);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition-normal);
  font-weight: 500;
  font-size: 0.875rem;
  box-shadow: var(--shadow-neu-outset);
}

.social-links a:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-neu-elevated);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-800);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: var(--white);
  margin: 15% auto;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-neu-elevated);
  position: relative;
  text-align: center;
}

.close {
  position: absolute;
  right: var(--spacing-lg);
  top: var(--spacing-lg);
  font-size: 2rem;
  font-weight: bold;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition-fast);
}

.close:hover {
  color: var(--gray-900);
}

/* Success Page */
.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-xl);
}

.success-content {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-3xl);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-neu-elevated);
  max-width: 600px;
  width: 100%;
}

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

.success-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
}

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-neu-outset);
  margin-bottom: var(--spacing-2xl);
}

.privacy-content h1,
.privacy-content h2,
.terms-content h1,
.terms-content h2 {
  color: var(--gray-900);
}

.privacy-content p,
.terms-content p {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

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

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

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

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

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* Scroll-dependent effects */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-3xl: 4rem;
    --spacing-2xl: 3rem;
    --spacing-xl: 2rem;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-neu-outset);
    padding: var(--spacing-lg);
  }
  
  .navbar-menu.active {
    display: block;
  }
  
  .navbar-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .services-grid,
  .features-grid,
  .blog-grid,
  .projects-grid,
  .resources-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .methodology-grid {
    grid-template-columns: 1fr;
  }
  
  .methodology-step {
    flex-direction: column;
    text-align: center;
  }
  
  .mission-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .mission-image {
    order: -1;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .news-item {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: var(--spacing-lg);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .contact-form,
  .contact-info {
    padding: var(--spacing-lg);
  }
  
  .modal-content {
    margin: 20% auto;
    padding: var(--spacing-lg);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --gray-600: #333333;
    --gray-700: #222222;
    --gray-800: #111111;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero-background {
    background-attachment: scroll;
  }
}

/* Print styles */
@media print {
  .header,
  .footer,
  .btn,
  .modal {
    display: none !important;
  }
  
  .section {
    padding: 1rem 0;
    break-inside: avoid;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}