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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

/* Updated Heading Styles */
h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: #2c3e50;
  font-weight: 700;
  text-align: center;
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: #2c3e50;
  font-weight: 600;
}

h4 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: #2c3e50;
  font-weight: 600;
}

.header {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand h1 {
  color: white;
  font-size: 1.8rem;
  font-weight: 700;
  transition: color 0.3s ease;
}

/* Header scrolled state */
.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header.scrolled .nav-brand h1 {
  color: #2c3e50;
}

.header.scrolled .nav-menu a {
  color: #2c3e50;
}

.header.scrolled .nav-menu a:hover {
  color: #667eea;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: #f39c12;
}

.main-content {
  margin-top: 80px;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.hero-content h2 {
  font-size: 3rem;
  color: white;
  margin-bottom: 1rem;
  font-weight: 700;
  text-align: left;
}

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

.cta-button {
  background: linear-gradient(45deg, #f39c12, #e74c3c);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);
}

.hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.features-section {
  padding: 5rem 5%;
  background: white;
  margin: 4rem 0;
  border-radius: 30px 30px 0 0;
}

.features-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid #e9ecef;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card img {
  width: 80px;
  height: 80px;
  margin-bottom: 1rem;
  border-radius: 10px;
}

/* New Why Choose Section */
.why-choose-section {
  padding: 5rem 5%;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.why-choose-section .container {
  max-width: 1200px;
  margin: 0 auto;
}

.why-choose-section h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 700;
  color: white;
}

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

.advantage-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.advantage-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

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

.advantage-item h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: white;
}

.advantage-item p {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.9;
}

.process-section {
  padding: 4rem 5%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.process-section h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: white;
}

.process-steps {
  display: flex;
  justify-content: space-around;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 2rem;
}

.step {
  text-align: center;
  flex: 1;
  min-width: 250px;
}

.step-number {
  width: 60px;
  height: 60px;
  background: white;
  color: #667eea;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 1rem;
}

.security-section {
  padding: 5rem 5%;
  background: white;
}

.security-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.security-text h2 {
  text-align: left;
  margin-bottom: 2rem;
}

.security-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

.security-image img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.footer {
  background: #2c3e50;
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}

@media (max-width: 768px) {
  .hero-section {
      grid-template-columns: 1fr;
      text-align: center;
  }
  
  .security-content {
      grid-template-columns: 1fr;
  }
  
  .nav-menu {
      display: none;
  }
  
  .hero-content h2 {
      font-size: 2rem;
      text-align: center;
  }
  
  .advantages-grid {
      grid-template-columns: 1fr;
  }
  
  h2 {
      font-size: 2rem;
  }
  
  h3 {
      font-size: 1.6rem;
  }
  
  h4 {
      font-size: 1.3rem;
  }
}