/* CSS Variables */
:root {
  /* Primary Colors */
  --primary-color: #ff6b35;
  --primary-dark: #e55a2b;
  --primary-light: #ff8659;
  
  /* Secondary Colors */
  --secondary-color: #2c3e50;
  --secondary-dark: #1a252f;
  --secondary-light: #34495e;
  
  /* Accent Colors */
  --accent-color: #3498db;
  --accent-dark: #2980b9;
  --accent-light: #5dade2;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #ff6b35, #f7931e);
  --gradient-secondary: linear-gradient(135deg, #667eea, #764ba2);
  --gradient-accent: linear-gradient(135deg, #f093fb, #f5576c);
  --gradient-dark: linear-gradient(135deg, #2c3e50, #3498db);
  --gradient-overlay: linear-gradient(135deg, rgba(0,0,0,0.7), rgba(0,0,0,0.5));
  
  /* Text Colors */
  --text-primary: #2c3e50;
  --text-secondary: #7f8c8d;
  --text-light: #ffffff;
  --text-dark: #1a1a1a;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-dark: #2c3e50;
  --bg-light: #ecf0f1;
  
  /* Typography */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 20px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
  
  /* Transitions */
  --transition-fast: 0.2s ease-out;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-header: 1000;
  --z-modal: 9000;
  --z-cookie: 9999;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

html * {
  opacity: 1 !important;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  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: 0 0 var(--spacing-sm) 0;
  color: var(--text-dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

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

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

p {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition-normal);
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

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

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Flex Utilities */
.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 {
  flex-direction: column;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 140px;
}

.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: var(--transition-normal);
}

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

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-light);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--text-light);
  color: var(--text-dark);
  text-decoration: none;
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--text-light);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-light);
  text-decoration: none;
}

/* Cards */
.card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

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

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

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

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

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

.card-content p {
  flex: 1;
  margin-bottom: var(--spacing-sm);
}

/* Sections */
.section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  color: var(--text-dark);
  text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg) auto;
  font-size: 1.1em;
  color: var(--text-secondary);
}

.section-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

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

.parallax-bg * {
  position: relative;
  z-index: 2;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  z-index: var(--z-header);
  transition: var(--transition-normal);
  padding: var(--spacing-sm) 0;
}

.header.scrolled {
  background: rgba(44, 62, 80, 0.98);
  box-shadow: var(--shadow-md);
}

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

.logo h1 {
  color: var(--text-light);
  margin: 0;
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
}

.nav-list a {
  color: var(--text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-normal);
}

.nav-list a:hover {
  background: var(--gradient-primary);
  text-decoration: none;
  color: var(--text-light);
}

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

.burger-menu span {
  width: 25px;
  height: 3px;
  background: var(--text-light);
  transition: var(--transition-normal);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: 80px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

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

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

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

/* Partners Section */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

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

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 50%;
  padding-right: var(--spacing-lg);
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50%;
  padding-left: var(--spacing-lg);
  text-align: left;
}

.timeline-marker {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  z-index: 2;
}

.timeline-content {
  background: var(--bg-primary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

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

/* Portfolio Gallery */
.portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-item {
  position: relative;
}

.portfolio-item .card {
  height: 100%;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-accent);
  color: var(--text-light);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

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

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-secondary);
  color: var(--text-light);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-normal);
}

.resource-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--text-light);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-text {
  margin-bottom: var(--spacing-md);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  margin: 0;
  color: var(--text-dark);
}

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

/* Customer Stories */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

.story-metrics {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

.metric {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

/* Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.post-meta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}

.post-date {
  color: var(--text-secondary);
}

.post-category {
  background: var(--gradient-accent);
  color: var(--text-light);
  padding: 2px var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
}

.read-more {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  position: relative;
  transition: var(--transition-normal);
}

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

.read-more:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

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

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

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

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

.contact-item p {
  margin: 0;
}

/* Forms */
.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(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid #e0e0e0;
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-normal);
  background: var(--bg-primary);
}

.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(255, 107, 53, 0.1);
}

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

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

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

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

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

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

.footer-links a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

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

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

.social-links a:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--text-secondary);
  color: var(--text-secondary);
}

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

.success-content {
  background: var(--bg-primary);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
}

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

.success-content p {
  margin-bottom: var(--spacing-xl);
  font-size: 1.1rem;
}

/* Page Content (for other pages) */
.page-content {
  padding-top: 100px;
  min-height: calc(100vh - 100px);
}

.page-header {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.page-header h1 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.page-body {
  padding: var(--spacing-xxl) 0;
}

.content-section {
  margin-bottom: var(--spacing-xl);
}

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

.content-section h3 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

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

@keyframes fadeInLeft {
  from {
    opacity: 1;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 1;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-right {
  animation: fadeInRight 0.6s ease-out;
}

.animate-scale {
  animation: scaleIn 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xxl: 3rem;
    --spacing-xl: 2rem;
    --spacing-lg: 1.5rem;
  }
  
  .nav {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    padding: var(--spacing-md);
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 50px;
    margin-right: 0;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    text-align: left;
  }
  
  .timeline-marker {
    left: 20px;
  }
  
  .partners-grid,
  .portfolio-gallery,
  .projects-grid,
  .testimonials-grid,
  .stories-grid,
  .blog-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    flex-wrap: wrap;
  }
  
  .story-metrics {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-content {
    padding: 0 var(--spacing-sm);
  }
  
  .timeline-content {
    padding: var(--spacing-sm);
  }
  
  .success-content {
    padding: var(--spacing-lg);
  }
}

/* Print Styles */
@media print {
  .header,
  .burger-menu,
  .hero-buttons,
  .btn {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-md) 0;
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #000;
    --text-primary: #000;
    --text-secondary: #333;
    --bg-primary: #fff;
    --bg-secondary: #f5f5f5;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .parallax-bg {
    background-attachment: scroll;
  }
}