/* CSS Variables - Tetrad Color Scheme with Dynamic Gradients */
:root {
  /* Primary Tetrad Colors */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  
  --secondary-color: #dc2626;
  --secondary-dark: #b91c1c;
  --secondary-light: #ef4444;
  
  --tertiary-color: #059669;
  --tertiary-dark: #047857;
  --tertiary-light: #10b981;
  
  --quaternary-color: #7c3aed;
  --quaternary-dark: #6d28d9;
  --quaternary-light: #8b5cf6;
  
  /* 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;
  
  /* Dynamic Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--quaternary-color) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--tertiary-color) 100%);
  --gradient-hero: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--tertiary-color) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(37, 99, 235, 0.8) 0%, rgba(220, 38, 38, 0.6) 50%, rgba(5, 150, 105, 0.8) 100%);
  
  /* Typography */
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Lato', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-backdrop: blur(10px);
  
  /* Animation */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* 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);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

h1 {
  font-size: 3.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2.5rem;
  color: var(--gray-800);
}

h3 {
  font-size: 1.875rem;
  color: var(--gray-700);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray-600);
  font-size: 1.1rem;
}

/* Global Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-width: 160px;
}

.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 var(--transition-slow);
}

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

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

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

.btn-secondary {
  background: var(--glass-bg);
  color: var(--white);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-backdrop);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.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);
}

/* Section Styles */
.section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  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: var(--radius-sm);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--glass-border);
}

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

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

.nav-brand h2 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0;
}

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

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

.nav-link {
  text-decoration: none;
  color: var(--white);
  font-weight: 500;
  transition: color var(--transition-normal);
  position: relative;
}

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

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

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

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  transition: var(--transition-normal);
}

/* Hero Section */
.hero {
  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::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--white) !important;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

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

/* Our Process Section */
.our-process {
  background: var(--gray-50);
}

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

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

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

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

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

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

.card-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

/* Insights Section */
.insights-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.insight-slider {
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-lg);
}

.insight-slide {
  display: none;
  animation-duration: 0.5s;
}

.insight-slide.active {
  display: block;
}

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

.insight-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.insight-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

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

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.slider-btn {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.slider-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray-300);
  cursor: pointer;
  transition: background var(--transition-normal);
}

.dot.active {
  background: var(--primary-color);
}

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

.external-resources .section-title {
  color: var(--white);
}

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

.resource-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-backdrop);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.resource-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
}

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

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

.resource-link {
  color: var(--white);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--white);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  margin-top: auto;
}

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

/* Innovation Section */
.innovation {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--white);
  position: relative;
}

.innovation::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

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

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

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

.innovation-text p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
}

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

.feature-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-md);
}

.toggle-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  cursor: pointer;
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--gray-400);
  transition: var(--transition-normal);
  border-radius: 30px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: var(--white);
  transition: var(--transition-normal);
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background: var(--gradient-primary);
}

input:checked + .toggle-slider:before {
  transform: translateX(30px);
}

/* Careers Section */
.careers {
  background: var(--gray-50);
}

.careers-intro {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl) auto;
  text-align: center;
}

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

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

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

.career-card .card-image {
  height: 200px;
}

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

.career-card .card-content {
  padding: var(--spacing-lg);
  flex: 1;
}

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

.job-type,
.job-location {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
}

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

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

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

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

.contact-item h4 {
  color: var(--gray-800);
  margin-bottom: var(--spacing-xs);
  font-size: 1.125rem;
}

.contact-item p {
  color: var(--gray-600);
}

.contact-form-container {
  background: var(--gray-50);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-normal);
  font-family: var(--font-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

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

.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);
}

.footer-section h4 {
  color: var(--gray-200);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

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

.social-links a {
  color: var(--gray-400);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  font-weight: 500;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

/* Modal Styles */
.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: 5% auto;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  position: relative;
  animation: modalSlideIn 0.3s ease-out;
}

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

.close-btn {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-md);
  font-size: 2rem;
  cursor: pointer;
  color: var(--gray-500);
  transition: color var(--transition-normal);
}

.close-btn:hover {
  color: var(--gray-800);
}

/* Scroll-Dependent Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

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

.success-content {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  color: var(--white);
}

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

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

/* Privacy and Terms Pages */
.legal-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-2xl);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.text-white {
  color: var(--white) !important;
}

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

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

.hidden {
  display: none;
}

.fade-in {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .innovation-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .insight-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    padding: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
  }
  
  .nav-menu.active {
    display: block;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .process-grid,
  .resources-grid,
  .careers-grid {
    grid-template-columns: 1fr;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .modal-content {
    margin: 10% auto;
    width: 95%;
    padding: var(--spacing-lg);
  }
  
  .job-details {
    flex-direction: column;
    align-items: center;
  }
  
  .slider-controls {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .hero-buttons,
  .btn,
  .modal {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-lg) 0;
  }
  
  .section {
    break-inside: avoid;
  }
}