/* Variables and CSS Reset */
:root {
  /* Color Palette - Dark Theme */
  --primary-bg: #0a0a14;
  --secondary-bg: #121224;
  --card-bg: #1a1a2e;
  --primary-color: #3a86ff;
  --secondary-color: #4361ee;
  --accent-color: #7209b7;
  --highlight-color: #4cc9f0;
  --text-primary: #ffffff;
  --text-secondary: #b8b8d4;
  --text-muted: #6c757d;
  --border-color: #2a2a40;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Borders & Shadows */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  --box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Light Theme Variables */
.light-theme {
  --primary-bg: #f8f9fa;
  --secondary-bg: #e9ecef;
  --card-bg: #ffffff;
  --primary-color: #0056b3;
  --secondary-color: #0069d9;
  --accent-color: #6610f2;
  --highlight-color: #17a2b8;
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.light-theme .logo {
    background-image: url('../images/logo-light.png');
}

.light-theme .footer-logo {
    background-image: url('../images/logo-light.png');
}

/* CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--highlight-color);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-primary);
}

/* 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;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

.text-gradient {
  background: linear-gradient(90deg, var(--primary-color), var(--highlight-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-accent {
  color: var(--accent-color);
}

.text-highlight {
  color: var(--highlight-color);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

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

.grid {
  display: grid;
  gap: var(--spacing-md);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

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

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

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(10, 10, 20, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color var(--transition-normal);
}

.light-theme .header {
  background-color: rgba(248, 249, 250, 0.9);
}

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

.logo {
    height: 50px;
	width: 180px;
    background-image: url('../images/logo-dark.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

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

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--highlight-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--highlight-color);
  transition: width var(--transition-normal);
}

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

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--spacing-sm);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

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

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

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

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

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

.btn-accent:hover {
  background-color: #5a0991;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--primary-bg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(58, 134, 255, 0.2), transparent 70%),
              radial-gradient(circle at bottom left, rgba(114, 9, 183, 0.2), transparent 70%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
}

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

.card-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

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

.card p {
  color: var(--text-secondary);
}

/* Services Section */
.services {
  background-color: var(--secondary-bg);
  padding: var(--spacing-xl) 0;
}

.services-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.service-card-icon {
  font-size: 2rem;
  color: var(--highlight-color);
  margin-right: var(--spacing-sm);
}

/* About Section */
.about {
  padding: var(--spacing-xl) 0;
}

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

.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: var(--spacing-lg) auto;
}

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

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 50%;
  width: 15px;
  height: 15px;
  background-color: var(--primary-color);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-content {
  position: relative;
  width: calc(50% - 30px);
  padding: var(--spacing-md);
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  content: '';
  position: absolute;
  top: 15px;
  left: -10px;
  width: 20px;
  height: 20px;
  background-color: var(--card-bg);
  transform: rotate(45deg);
}

.timeline-item:nth-child(even) .timeline-content::before {
  content: '';
  position: absolute;
  top: 15px;
  right: -10px;
  width: 20px;
  height: 20px;
  background-color: var(--card-bg);
  transform: rotate(45deg);
}

/* Testimonials */
.testimonials {
  background-color: var(--secondary-bg);
  padding: var(--spacing-xl) 0;
}

.testimonials-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.testimonial-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow);
  text-align: center;
}

.testimonial blockquote {
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.testimonial blockquote::before,
.testimonial blockquote::after {
  content: '"';
  font-size: 3rem;
  color: var(--primary-color);
  opacity: 0.3;
  position: absolute;
}

.testimonial blockquote::before {
  top: -20px;
  left: -10px;
}

.testimonial blockquote::after {
  bottom: -40px;
  right: -10px;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-primary);
}

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

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

.slider-arrow {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.slider-arrow:hover {
  color: var(--primary-color);
}

.slider-dots {
  display: flex;
  gap: 8px;
  margin: 0 var(--spacing-sm);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: white;
}

.cta h2 {
  margin-bottom: var(--spacing-md);
}

.cta p {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.2rem;
}

/* Contact Form */
.contact {
  padding: var(--spacing-xl) 0;
}

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

.contact-info h2 {
  margin-bottom: var(--spacing-md);
}

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

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

.contact-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: var(--spacing-sm);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background-color: var(--card-bg);
  color: var(--text-primary);
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--secondary-bg);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.footer-logo {
    height: 40px;
    width: 150px;
    background-image: url('../images/logo-dark.png');
    background-size: contain;
    background-position: left center;
    background-repeat: no-repeat;
    margin-bottom: var(--spacing-sm);
}


.footer-social {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--card-bg);
  color: var(--text-primary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--primary-color);
  color: white;
}

.footer-heading {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

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

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

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  color: var(--text-secondary);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer-legal a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-item::before {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
  
  .timeline-item:nth-child(odd) .timeline-content::before,
  .timeline-item:nth-child(even) .timeline-content::before {
    left: -10px;
    right: auto;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--primary-bg);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: var(--spacing-lg);
    transition: left var(--transition-normal);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-link {
    margin: var(--spacing-sm) 0;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal {
    margin-top: var(--spacing-sm);
    justify-content: center;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .section, .section-lg {
    padding: var(--spacing-md) 0;
  }
}