:root {
  --primary-color: #0682B4;
  --secondary-color: #31B7E9;
  --dark-color: #1d2a3b;
  --light-color: #f8f9fa;
  --accent-color: #ff6b35;
  --text-color: #333;
  --gray-color: #6c757d;
}

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

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: #ffffff;
}

/* Header & Navigation */
.navbar {
  background-color: #ffffff !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color) !important;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  color: var(--secondary-color) !important;
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark-color) !important;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  transition: all 0.3s ease;
  position: relative;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--primary-color) !important;
}

/* Hero Section */
.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: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero-section p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-section .btn {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

/* Buttons */
.btn-primary {
  background-color: var(--primary-color);
  border: none;
  padding: 12px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(6, 130, 180, 0.3);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(49, 183, 233, 0.4);
}

.btn-outline-light {
  border: 2px solid white;
  padding: 12px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background-color: white;
  color: var(--primary-color);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark-color);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--gray-color);
  margin-bottom: 3rem;
}

/* Service Cards */
.service-card {
  background: white;
  border-radius: 15px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  height: 100%;
  border: 1px solid #f0f0f0;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  transition: all 0.3s ease;
}

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

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.service-card p {
  color: var(--gray-color);
  line-height: 1.8;
}

/* Feature Cards */
.feature-card {
  background: var(--light-color);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: white;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.feature-card i {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 15px;
}

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--dark-color) 0%, #2c3e50 100%);
  color: white;
  padding: 60px 0;
}

.stat-card {
  text-align: center;
  padding: 20px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Contact Section */
.contact-info {
  background: var(--light-color);
  border-radius: 15px;
  padding: 40px;
  height: 100%;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--dark-color);
}

.contact-item {
  display: flex;
  align-items: start;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
  margin-right: 20px;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: var(--dark-color);
}

.contact-details p {
  color: var(--gray-color);
  margin: 0;
}

.contact-form {
  background: white;
  border-radius: 15px;
  padding: 40px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.form-control {
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  padding: 12px 20px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(6, 130, 180, 0.1);
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: white;
  padding: 60px 0 20px;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  color: rgba(255,255,255,0.6);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2.5rem;
  }

  .hero-section p {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .section {
    padding: 50px 0;
  }

  .navbar-brand {
    font-size: 1.5rem;
  }
}

/* Animations */
.fade-in {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}