/* CSS Variables for Triadic Color Scheme */
:root {
  /* Primary Colors - Triadic */
  --primary-color: #2E5BFF;
  --primary-dark: #1A3FE6;
  --primary-light: #5B7FFF;
  
  --secondary-color: #FF5B2E;
  --secondary-dark: #E63F1A;
  --secondary-light: #FF7F5B;
  
  --tertiary-color: #5BFF2E;
  --tertiary-dark: #3FE61A;
  --tertiary-light: #7FFF5B;
  
  /* Neutral Colors */
  --dark-color: #1a1a1a;
  --light-color: #f8f9fa;
  --white: #ffffff;
  --black: #000000;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  --gradient-tertiary: linear-gradient(135deg, var(--tertiary-color), var(--tertiary-light));
  --gradient-dark: linear-gradient(135deg, var(--dark-color), var(--gray-800));
  --dark-overlay: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  
  /* Typography */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
  
  /* Animation */
  --transition-base: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-fast: all 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-slow: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

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

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

/* Buttons - Global Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
  min-width: 150px;
}

.btn::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: left 0.5s;
}

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

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

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

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

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--gradient-secondary);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

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

.navbar-brand .logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--gray-700);
  text-decoration: none;
  transition: var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

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

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

/* Mobile Menu */
.navbar-burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.navbar-burger span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: var(--transition-base);
}

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

.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(--dark-overlay);
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
  animation: heroSlideUp 1s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  line-height: 1.6;
}

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

@keyframes heroSlideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  color: var(--gray-900);
  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;
}

/* Mission Section */
.mission {
  background: var(--gray-100);
}

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

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

.mission-image {
  text-align: center;
}

.mission-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

.mission-image img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

/* Methodology Section */
.methodology {
  background: var(--white);
}

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

.methodology-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

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

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

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

/* Accordion */
.methodology-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--white);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.accordion-header {
  padding: var(--spacing-lg);
  background: var(--gradient-primary);
  color: var(--white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-base);
}

.accordion-header:hover {
  background: var(--primary-dark);
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: bold;
  transition: var(--transition-base);
}

.accordion-content {
  padding: var(--spacing-lg);
  display: none;
  background: var(--gray-100);
}

/* Insights Section */
.insights {
  background: var(--gray-100);
}

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

.insight-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.insight-card .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.insight-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

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

.insight-card .card-content {
  padding: var(--spacing-lg);
}

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

/* External Resources Section */
.external-resources {
  background: var(--white);
}

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

.resource-card {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
}

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

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

.resource-card p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-md);
}

.resource-link {
  display: inline-block;
  background: var(--white);
  color: var(--primary-color);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition-base);
}

.resource-link:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

/* Awards Section */
.awards {
  background: var(--gray-100);
}

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

.award-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.award-card .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.award-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

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

.award-card .card-content {
  padding: var(--spacing-lg);
}

.award-card h3 {
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
}

/* Contact Section */
.contact {
  background: var(--white);
}

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

.contact-info {
  background: var(--gray-100);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-md);
}

.contact-item i {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-top: 2px;
}

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

.contact-form h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-base);
  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, 91, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

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

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

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-base);
}

.footer-section ul li a:hover {
  color: var(--white);
  text-decoration: underline;
}

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

.social-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  font-weight: 600;
}

.social-links a:hover {
  color: var(--white);
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--white);
  margin: 15% auto;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 500px;
  position: relative;
  animation: modalSlideIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  text-align: center;
}

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

.close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--gray-600);
  transition: var(--transition-base);
}

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

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 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-lg);
}

.success-content {
  max-width: 600px;
  animation: successSlideUp 1s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

.success-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
}

@keyframes successSlideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Content Pages */
.content-page {
  padding-top: 100px;
  min-height: 100vh;
}

.content-page .container {
  max-width: 800px;
  padding: var(--spacing-xl) var(--spacing-md);
}

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

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

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

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

.content-page ul,
.content-page ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.content-page li {
  margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 70px;
    left: -107%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    transition: var(--transition-base);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
  }

  .navbar-menu.active {
    left: 0;
  }

  .navbar-nav {
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
  }

  .navbar-burger {
    display: flex;
  }

  .navbar-burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 6px);
  }

  .navbar-burger.active span:nth-child(2) {
    opacity: 0;
  }

  .navbar-burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(9px, -6px);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .mission-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .methodology-grid {
    grid-template-columns: 1fr;
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .awards-grid {
    grid-template-columns: 1fr;
  }

  .resources-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

  section {
    padding: var(--spacing-xl) 0;
  }

  .modal-content {
    width: 95%;
    margin: 10% auto;
    padding: var(--spacing-lg);
  }

  .methodology-grid {
    grid-template-columns: 1fr;
  }

  .methodology-card {
    min-width: auto;
  }
}

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

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: var(--transition-slow);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

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

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

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

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.p-0 {
  padding: 0;
}

.p-1 {
  padding: var(--spacing-xs);
}

.p-2 {
  padding: var(--spacing-sm);
}

.p-3 {
  padding: var(--spacing-md);
}

.p-4 {
  padding: var(--spacing-lg);
}

.p-5 {
  padding: var(--spacing-xl);
}

.d-none {
  display: none;
}

.d-block {
  display: block;
}

.d-flex {
  display: flex;
}

.d-grid {
  display: grid;
}

.justify-center {
  justify-content: center;
}

.align-center {
  align-items: center;
}

.w-100 {
  width: 100%;
}

.h-100 {
  height: 100%;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000ff;
    --secondary-color: #ff0000;
    --tertiary-color: #00ff00;
    --gray-700: #000000;
    --gray-800: #000000;
    --gray-900: #000000;
  }
}

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