:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #3b82f6;
  --dark-color: #1f2937;
  --light-color: #f8fafc;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  scroll-behavior: smooth;
}

/* Smooth fade-in animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.8s ease-out;
}

/* Pulse animation for buttons */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

.navbar {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95) !important;
  transition: all 0.3s ease;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 50%;
  background: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.hero-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(120, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(120, 200, 255, 0.2) 0%,
      transparent 50%
    );
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.btn-primary-custom {
  background: white;
  color: var(--primary-color);
  border: none;
  padding: 12px 30px;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary-custom::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: left 0.5s;
}

.btn-primary-custom:hover {
  background: #f1f5f9;
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.btn-primary-custom:hover::before {
  left: 100%;
}

.btn-outline-light {
  border-radius: 50px;
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.section-padding {
  padding: 80px 0;
  position: relative;
}

/* Subtle section separators */
.section-padding:not(.stats-section):not(.hero-section)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--primary-color),
    transparent
  );
}

.service-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.05) 0%,
    rgba(147, 51, 234, 0.05) 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--accent-color) 100%
  );
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.service-icon::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  background: inherit;
  border-radius: 18px;
  filter: blur(8px);
  opacity: 0.6;
  z-index: -1;
}

.service-icon i {
  color: white;
  font-size: 1.75rem;
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-card:hover .service-icon i {
  transform: scale(1.1);
}

.stats-section {
  background: linear-gradient(135deg, var(--light-color) 0%, #f1f5f9 100%);
  position: relative;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 25% 25%,
      rgba(37, 99, 235, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 75%,
      rgba(147, 51, 234, 0.1) 0%,
      transparent 50%
    );
}

.stat-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--dark-color);
  font-weight: 500;
}

/* Enhanced Form Styling */
.form-control {
  border-radius: 12px;
  border: 2px solid #e5e7eb;
  padding: 12px 16px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  transform: translateY(-2px);
}

.form-label {
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 8px;
}

/* Contact Card Enhancement */
.contact-card {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* Enhanced Stats Section */
.stat-item {
  padding: 2rem;
  border-radius: 15px;
  background: white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.footer {
  background: linear-gradient(135deg, var(--dark-color) 0%, #111827 100%);
  color: white;
  padding: 60px 0 30px;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--primary-color),
    transparent
  );
}

.footer a {
  color: #d1d5db;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer a:hover {
  color: white;
  transform: translateX(5px);
}

.footer span {
  color: #d1d5db;
}

.footer h6 {
  color: white;
}

.footer .fab {
  transition: all 0.3s ease;
}

.footer .fab:hover {
  transform: scale(1.3) rotate(10deg);
  color: var(--primary-color);
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }

  .service-card {
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }

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

  .stat-number {
    font-size: 2rem;
  }

  .service-icon {
    width: 60px;
    height: 60px;
  }

  .service-icon i {
    font-size: 1.5rem;
  }

  .section-padding {
    padding: 60px 0;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .btn-primary-custom,
  .btn-outline-light {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .service-card {
    padding: 1.5rem;
  }

  .stat-item {
    padding: 1.5rem;
  }
}

/* Scroll animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loading animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.8),
    transparent
  );
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}