:root {
  /* Colors */
  --bg-dark: #020617;
  --bg-surface: rgba(15, 23, 42, 0.8);
  --primary: #3b82f6;
  --secondary: #06b6d4;
  --accent: #8b5cf6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(15, 23, 42, 0.7);
  
  /* Gradents */
  --grad-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --grad-surface: linear-gradient(180deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.5) 100%);
  
  /* Spacing */
  --section-padding: 100px 0;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Glassmorphism Utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem;
  border: none;
}

.btn-primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
}

/* Sections */
section {
  padding: var(--section-padding);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 50px;
  text-align: center;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 32px;
}

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

.nav-links a {
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.15), transparent 40%),
              radial-gradient(circle at 30% 70%, rgba(6, 182, 212, 0.1), transparent 40%);
}

.hero-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--glass-border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 40px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  background: rgba(30, 41, 59, 0.8);
}

.service-card i {
  font-size: 2.5rem;
  margin-bottom: 24px;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.service-card h3 {
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.service-card .learn-more {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

.service-card .learn-more::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

/* Why Choose Us */
.why-us {
  display: flex;
  align-items: center;
  gap: 60px;
}

.why-us-content {
  flex: 1;
}

.why-us-image {
  flex: 1;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--glass-border);
}

.why-us-image img {
  width: 100%;
  display: block;
}

.feature-list {
  margin-top: 30px;
}

.feature-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.feature-item i {
  color: var(--secondary);
  font-size: 1.25rem;
  margin-top: 4px;
}

.feature-item h4 {
  margin-bottom: 4px;
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Stats */
.stats {
  padding: 60px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item h2 {
  font-size: 2.5rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-item p {
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 24px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

.contact-detail-item i {
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
}

.contact-form {
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: white;
  outline: none;
  transition: border-color 0.3s ease;
}

.form-input:focus {
  border-color: var(--primary);
}

textarea.form-input {
  height: 120px;
  resize: none;
}

/* Footer */
footer {
  padding: 80px 0 40px;
  background: #020617;
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 20px;
  display: block;
}

.footer-brand p {
  color: var(--text-secondary);
  max-width: 300px;
}

.footer-links h4 {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links ul li a:hover {
  color: var(--text-primary);
  padding-left: 5px;
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Client Logos */
.client-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px 60px;
  flex-wrap: wrap;
  opacity: 0.7;
  transition: opacity 0.5s ease;
}

.client-logos:hover {
  opacity: 1;
}

.client-logos img {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(1) brightness(2);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.client-logos img:hover {
  filter: grayscale(0) brightness(1);
  transform: scale(1.15) translateY(-5px);
}

/* Mobile Responsiveness */
@media (max-width: 968px) {
  .hero h1 {
    font-size: 3rem;
  }
  .contact-container {
    grid-template-columns: 1fr;
  }
  .why-us {
    flex-direction: column;
  }
  #platform .container {
    flex-direction: column !important;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .menu-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-links.active {
    display: flex;
  }
  .navbar .btn {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}