/* CSS Variables for Consistent Theming */
:root {
  /* Primary Colors - Vibrant and Modern */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  
  /* Secondary Colors */
  --secondary-color: #10b981;
  --secondary-dark: #059669;
  --secondary-light: #34d399;
  
  /* Accent Colors */
  --accent-color: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fbbf24;
  
  /* Neutral 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;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-dark: #1f2937;
  --bg-overlay: rgba(0, 0, 0, 0.6);
  
  /* Text Colors */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #ffffff;
  --text-muted: #9ca3af;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  
  /* Shadows - Neumorphism */
  --shadow-neumorphic: 8px 8px 16px rgba(163, 177, 198, 0.6), -8px -8px 16px rgba(255, 255, 255, 0.8);
  --shadow-neumorphic-inset: inset 8px 8px 16px rgba(163, 177, 198, 0.6), inset -8px -8px 16px rgba(255, 255, 255, 0.8);
  --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
  
  /* 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: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  
  /* Transitions */
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(16, 185, 129, 0.9) 100%);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-secondary);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
}

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

/* Global Button Styles */
.btn, button, input[type='submit'] {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-width: 120px;
  box-shadow: var(--shadow-neumorphic);
}

.btn-primary, input[type='submit'] {
  background: var(--gradient-primary);
  color: var(--text-light);
}

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

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

.btn-primary:hover, input[type='submit']:hover {
  background: var(--gradient-accent);
}

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

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

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

.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-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  font-size: 1.2rem;
}

/* Header and Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-normal);
}

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

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
}

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

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition-normal);
  border-radius: 2px;
}

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

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-size: cover;
  background-repeat: no-repeat;
}

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

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 var(--spacing-md);
  z-index: 1;
}

.hero-title {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  color: var(--text-light);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

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

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

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

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

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

.methodology-card .card-image {
  width: 100%;
  height: 200px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.methodology-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0 auto;
  background-size: cover;
  background-repeat: no-repeat;
}

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

/* Projects Section */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

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

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

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

.project-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
  background-size: cover;
  background-repeat: no-repeat;
}

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

.project-card .card-content {
  padding: var(--spacing-lg);
  text-align: center;
  width: 100%;
}

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

.stats-widget {
  display: flex;
  justify-content: space-around;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--neutral-200);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Media Section */
.media {
  background: var(--bg-primary);
}

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

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

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

.media-card .card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.media-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-size: cover;
  background-repeat: no-repeat;
}

.media-card .card-content {
  padding: var(--spacing-lg);
  text-align: center;
  width: 100%;
}

.external-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  margin-top: var(--spacing-sm);
}

.external-link:hover {
  background: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

/* Clientele Section */
.clientele {
  background: var(--bg-secondary);
}

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

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

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

.clientele-card .card-image {
  width: 100%;
  height: 150px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.clientele-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0 auto;
  background-size: cover;
  background-repeat: no-repeat;
}

.clientele-card h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Testimonials Section */
.testimonials {
  background: var(--bg-primary);
}

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

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

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

.testimonial-card .card-image {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-md);
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--primary-color);
}

.testimonial-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0 auto;
  background-size: cover;
  background-repeat: no-repeat;
}

.testimonial-text {
  margin-bottom: var(--spacing-md);
}

.testimonial-text p {
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.6;
}

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

.testimonial-author span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

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

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

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

.contact-item {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.contact-item strong {
  color: var(--text-primary);
}

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

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

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

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-normal);
  background: var(--bg-secondary);
}

.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(99, 102, 241, 0.1);
}

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

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

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

.footer-section h4,
.footer-section h5 {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--neutral-300);
  line-height: 1.6;
}

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

.footer-links a {
  color: var(--neutral-300);
  text-decoration: none;
  transition: var(--transition-normal);
}

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

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

.social-links a {
  color: var(--neutral-300);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--neutral-600);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  font-weight: 500;
}

.social-links a:hover {
  color: var(--text-light);
  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(--neutral-600);
  color: var(--neutral-400);
}

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

.success-content {
  text-align: center;
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-neumorphic);
  max-width: 500px;
  width: 100%;
}

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

.content-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-neumorphic);
}

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

.content-container h2 {
  color: var(--text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--neutral-200);
}

.content-container h3 {
  color: var(--primary-color);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.content-container p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.content-container ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
}

.content-container li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

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

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

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

[data-aos="fade-up"] {
  animation: fadeInUp 0.8s ease-out;
}

[data-aos="fade-left"] {
  animation: slideInLeft 0.8s ease-out;
}

[data-aos="fade-right"] {
  animation: slideInRight 0.8s ease-out;
}

/* Parallax Effect */
.parallax {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

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

/* 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); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-primary);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-card);
    padding: var(--spacing-lg) 0;
  }

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

  .nav-toggle {
    display: flex;
  }

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

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

  .methodology-grid,
  .projects-grid,
  .media-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .clientele-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

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

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

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

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

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

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

  .contact-form-container {
    padding: var(--spacing-lg);
  }

  .stats-widget {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* High Performance Optimizations */
* {
  will-change: auto;
}

.parallax * {
  transform: translateZ(0);
}

img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

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

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

.btn:focus,
.nav-link:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}