:root {
  --primary-bg: #0a1628;
  --secondary-bg: #142840;
  --accent-bg: #1f3a5f;
  --primary-text: #ffffff;
  --secondary-text: #b0c4de;
  --accent-color: #00d9ff;
  --accent-secondary: #3b5bdb;
  --border-color: #2a4a7c;
  --gradient-start: #3b5bdb;
  --gradient-end: #7b68ee;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--primary-bg);
  color: var(--primary-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navigation */
nav {
  background: rgba(10, 22, 40, 0.95);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-menu a {
  color: var(--secondary-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--accent-color);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
  background-image: url("../images/tech-background.svg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
  top: -400px;
  right: -300px;
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(59, 91, 219, 0.12) 0%, transparent 70%);
  bottom: -300px;
  left: -200px;
  border-radius: 50%;
}

.hero-content {
  max-width: 1000px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -1px;
}

.hero h1 {
  background: linear-gradient(135deg, var(--primary-text), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.4rem;
  color: var(--secondary-text);
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 
    0 10px 30px rgba(59, 91, 219, 0.4),
    0 6px 12px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  border: none;
  cursor: pointer;
  user-select: none;
}

.cta-button:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 20px 40px rgba(59, 91, 219, 0.5),
    0 10px 20px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.cta-button:active {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 20px rgba(59, 91, 219, 0.3),
    0 4px 8px rgba(0, 0, 0, 0.2),
    inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button-large {
  padding: 1.25rem 3rem;
  font-size: 1.2rem;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Styling */
section {
  padding: 6rem 0;
}

section h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -1px;
}

section h2 {
  background: linear-gradient(135deg, var(--primary-text), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.3rem;
  color: var(--secondary-text);
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* Approach Section */
.approach {
  background: var(--secondary-bg);
  position: relative;
}

.approach h2,
.approach p {
  text-align: center;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.approach-item {
  background: linear-gradient(135deg, rgba(20, 40, 64, 0.5), rgba(31, 58, 95, 0.3));
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.approach-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.approach-item:hover {
  transform: translateY(-8px);
  border-color: var(--accent-color);
}

.approach-item:hover::before {
  opacity: 1;
}

.approach-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1;
}

.approach-item h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-text);
}

.approach-item p {
  color: var(--secondary-text);
  font-size: 1rem;
  line-height: 1.8;
}

/* Capabilities Section */
.capabilities {
  background: linear-gradient(180deg, rgba(10, 22, 40, 0.5) 0%, rgba(20, 40, 64, 0.5) 100%);
}

.capabilities h2,
.capabilities .section-subtitle {
  text-align: center;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.capability-card {
  background: rgba(20, 40, 64, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.capability-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-color);
  background: rgba(31, 58, 95, 0.5);
}

.capability-card:hover::before {
  left: 100%;
}

.capability-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.capability-card h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.capability-card > p {
  color: var(--secondary-text);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.capability-list {
  list-style: none;
  margin: 1.5rem 0;
}

.capability-list li {
  color: var(--secondary-text);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(42, 74, 124, 0.5);
  font-size: 0.95rem;
}

.capability-list li:last-child {
  border-bottom: none;
}

.capability-link {
  display: inline-block;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
}

.capability-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.capability-link:hover::after {
  width: 100%;
}

/* Why Intelligrate Section */
.why-intelligrate {
  background: var(--secondary-bg);
}

.why-intelligrate h2,
.why-intelligrate .section-subtitle {
  text-align: center;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.benefit-card {
  background: rgba(20, 40, 64, 0.3);
  padding: 2rem;
  border-radius: 12px;
  border-left: 3px solid var(--accent-color);
  transition: transform 0.3s ease;
}

.benefit-card:hover {
  transform: translateX(8px);
}

.benefit-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.benefit-card p {
  color: var(--secondary-text);
  line-height: 1.8;
}

/* Testimonials Section */
.testimonials {
  background: linear-gradient(180deg, rgba(20, 40, 64, 0.3) 0%, rgba(10, 22, 40, 0.3) 100%);
}

.testimonials h2 {
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: rgba(20, 40, 64, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-size: 4rem;
  color: var(--accent-color);
  opacity: 0.1;
  position: absolute;
  top: -20px;
  left: 15px;
}

.testimonial-card:hover {
  border-color: var(--accent-color);
  background: rgba(31, 58, 95, 0.6);
}

.testimonial-text {
  color: var(--secondary-text);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  color: var(--accent-color);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Final CTA Section */
.final-cta {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url("../images/tech-background.svg");
  background-size: cover;
  opacity: 0.1;
  top: 0;
  left: 0;
}

.final-cta h2,
.final-cta p {
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  font-size: 2.5rem;
  color: white;
  margin-bottom: 1rem;
  background: none;
  -webkit-text-fill-color: unset;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.final-cta p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.final-cta .cta-button {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: white;
  box-shadow: none;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.final-cta .cta-button:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Footer */
footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--secondary-text);
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

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

.copyright {
  color: var(--secondary-text);
  font-size: 0.9rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

/* Content Pages */
.content-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.content-page h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-text), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-page h2 {
  font-size: 2rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
  text-align: left;
  background: none;
  -webkit-text-fill-color: unset;
}

.content-page p {
  color: var(--secondary-text);
  margin-bottom: 1.5rem;
  line-height: 1.8;
  text-align: left;
  font-size: 1.1rem;
}

.content-page ul {
  color: var(--secondary-text);
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.content-page li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-menu {
    gap: 1.5rem;
    font-size: 0.9rem;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  section h2 {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .approach-grid,
  .capabilities-grid,
  .benefits-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .content-page h1 {
    font-size: 2rem;
  }
  
  .final-cta h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  section {
    padding: 3rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .cta-button {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
  
  .nav-menu {
    gap: 1rem;
  }
}