/* CSS Variables & Root Configuration */
:root {
  /* Neutral Color Palette */
  --primary-color: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --secondary-light: #a78bfa;
  --secondary-dark: #7c3aed;
  
  /* Neutral Base Colors */
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-400: #a3a3a3;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;
  
  /* Semantic Colors */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #3b82f6;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: var(--neutral-50);
  --bg-tertiary: var(--neutral-100);
  --bg-dark: var(--neutral-900);
  --bg-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  
  /* Text Colors */
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-700);
  --text-muted: var(--neutral-500);
  --text-light: var(--neutral-300);
  --text-white: #ffffff;
  
  /* Neumorphism Shadows */
  --shadow-light: 8px 8px 16px rgba(163, 177, 198, 0.15), -8px -8px 16px rgba(255, 255, 255, 0.7);
  --shadow-dark: inset 8px 8px 16px rgba(163, 177, 198, 0.15), inset -8px -8px 16px rgba(255, 255, 255, 0.7);
  --shadow-hover: 12px 12px 24px rgba(163, 177, 198, 0.2), -12px -12px 24px rgba(255, 255, 255, 0.8);
  
  /* Typography */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Rubik', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  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(--space-md);
  color: var(--text-primary);
}

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

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

h3 {
  font-size: 1.875rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

h5 {
  font-size: 1.25rem;
  font-weight: 500;
}

h6 {
  font-size: 1.125rem;
  font-weight: 500;
}

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* 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(--space-xs);
}

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

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

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

/* Neumorphic Elements */
.neumorphic {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
}

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

.neumorphic-inset {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dark);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: center;
  min-width: 140px;
}

.btn-primary {
  background: var(--bg-gradient);
  color: var(--text-white);
  box-shadow: var(--shadow-light);
}

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

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

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

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

button, input[type='submit'] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: center;
  min-width: 140px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid var(--neutral-200);
}

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

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
}

.brand-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

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

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

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

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

.navbar-burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-xs);
}

.navbar-burger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition-fast);
  border-radius: 2px;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.8) 0%, rgba(139, 92, 246, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

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

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

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

/* Parallax Background */
.parallax-bg {
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

/* Sections */
.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--bg-gradient);
  border-radius: 2px;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin: 0 auto;
}

/* Services Section */
.services-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.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;
  transition: var(--transition-slow);
  margin: 0 auto;
}

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

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

/* Statistics Section */
.statistics-section {
  padding: var(--space-3xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  position: relative;
}

.statistics-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
  z-index: 1;
}

.statistics-section .container {
  position: relative;
  z-index: 2;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  padding: var(--space-xl);
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--text-light);
  font-weight: 500;
}

/* Methodology Section */
.methodology-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-secondary);
}

.methodology-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

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

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  width: calc(50% - var(--space-lg));
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: calc(50% + var(--space-lg));
}

.timeline-marker {
  position: absolute;
  top: var(--space-lg);
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -34px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -34px;
}

.timeline-content h3 {
  margin-bottom: var(--space-sm);
}

/* Clientele Section */
.clientele-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-primary);
}

.clientele-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.client-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

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

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

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

.resources-content {
  padding: var(--space-xl);
  text-align: center;
}

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

.resource-item {
  padding: var(--space-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.resource-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.resource-link {
  text-decoration: none;
  color: var(--text-primary);
}

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

/* Accolades Section */
.accolades-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-primary);
}

.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.accolade-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.accolade-card .card-image {
  width: 100%;
  height: 150px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

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

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-item {
  padding: var(--space-xl);
}

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

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.detail-label {
  font-weight: 600;
  color: var(--text-primary);
}

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

.contact-form {
  padding: var(--space-xl);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
  background: var(--bg-primary);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: var(--space-2xl) 0 var(--space-lg) 0;
}

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

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

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

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

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

.footer-links a {
  color: var(--text-light);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-light);
}

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

.social-links a {
  color: var(--text-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  border: 1px solid var(--neutral-600);
}

.social-links a:hover {
  color: var(--primary-light);
  border-color: var(--primary-light);
  background: rgba(99, 102, 241, 0.1);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--neutral-700);
  color: var(--text-muted);
}

/* Progress Indicator */
.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 9999;
}

.progress-bar {
  height: 100%;
  background: var(--bg-gradient);
  width: 0%;
  transition: width 0.25s ease-out;
}

/* Success Page Styles */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  text-align: center;
  padding: var(--space-2xl);
}

.success-content {
  max-width: 600px;
  margin: 0 auto;
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: var(--success-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 2rem;
}

/* Privacy & Terms Pages */
.content-page {
  padding-top: 100px;
  padding-bottom: var(--space-3xl);
}

.content-page .container {
  max-width: var(--container-md);
}

.content-section {
  background: var(--bg-primary);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  margin-bottom: var(--space-xl);
}

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

.content-section h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

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

.content-section li {
  margin-bottom: var(--space-xs);
}

/* Read More Links */
.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  margin-top: var(--space-sm);
  transition: var(--transition-fast);
}

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

.read-more::after {
  content: '→';
  margin-left: var(--space-xs);
  transition: var(--transition-fast);
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
  }

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

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .navbar-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border-top: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-light);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
  }

  .navbar-menu.is-active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-nav {
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-sm);
  }

  .navbar-burger {
    display: flex;
  }

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

  .btn {
    width: 100%;
    max-width: 250px;
  }

  .features-grid,
  .services-grid,
  .stats-grid,
  .clientele-grid,
  .accolades-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .methodology-timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: calc(100% - 60px);
    left: 60px !important;
    text-align: left;
  }

  .timeline-item .timeline-marker {
    left: -54px !important;
  }

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

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

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .features-grid,
  .services-grid,
  .clientele-grid,
  .accolades-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* Animation Enhancements */
@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 scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll Reveal */
[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

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

.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-right-color: transparent;
  animation: spin 0.8s linear infinite;
}

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

/* Glassmorphism Effects */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.btn:focus {
  outline: 2px solid var(--primary-dark);
  outline-offset: 4px;
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .progress-container,
  .btn {
    display: none !important;
  }
  
  body {
    color: #000 !important;
    background: #fff !important;
  }
  
  .hero-section {
    background: none !important;
    color: #000 !important;
  }
}