/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
  line-height: 1.6;
}
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Navigation */
.navbar {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
}
.logo {
  font-size: 1.75rem;
  font-weight: bold;
  color: #0056b3;
  text-decoration: none;
  letter-spacing: 1px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 30px;
}
.nav-links li {
  position: relative;
}
.nav-links li a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 1rem;
  padding: 5px 0;
  transition: color 0.3s;
}
.nav-links li a:hover {
  color: #0056b3;
}
.nav-links li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: #0056b3;
  transition: width 0.3s;
}
.nav-links li a:hover::after {
  width: 100%;
}
.btn-demo {
  background: #0056b3;
  color: #fff;
  padding: 10px 22px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.3s, transform 0.3s;
}
.btn-demo:hover {
  background: #004080;
  transform: translateY(-2px);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger,
.hamburger::before,
.hamburger::after {
  width: 25px;
  height: 3px;
  background: #333;
  display: block;
  transition: all 0.3s ease;
}
.hamburger {
  position: relative;
}
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
}
.hamburger::before {
  top: -8px;
}
.hamburger::after {
  top: 8px;
}
.nav-open .hamburger {
  background: transparent;
}
.nav-open .hamburger::before {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-open .hamburger::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
  position: relative;
  background: url('oag.jpg') center/cover no-repeat;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}
.hero-content {
  position: relative;
  max-width: 800px;
  padding: 0 20px;
}
.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}
.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}
.btn-primary {
  background: #ffc107;
  color: #0056b3;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.3s;
}
.btn-primary:hover {
  transform: scale(1.05);
}

/* Features Section */
.features {
  padding: 80px 0;
  background: #fff;
}
.features h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.5rem;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}
.card {
  background: #f9f9f9;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}
.card:hover {
  transform: translateY(-5px);
}
.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card h3 {
  margin: 20px;
  font-size: 1.4rem;
  color: #0056b3;
}
.card p {
  margin: 0 20px 20px;
  color: #555;
}

/* Benefits Section */
.benefits {
  padding: 80px 0;
  background: #f9f9f9;
}
.benefits h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
}
.benefit-list {
  list-style: none;
  max-width: 800px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.benefit-list li {
  background: #e7f1ff;
  padding: 20px;
  border-radius: 6px;
  font-weight: 500;
}

/* Call To Action */
.cta {
  background: #0056b3;
  color: #fff;
  text-align: center;
  padding: 80px 20px;
}
.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.btn-secondary {
  background: #ffc107;
  color: #0056b3;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.3s;
}
.btn-secondary:hover {
  transform: scale(1.05);
}

/* Footer */
footer {
  background: #002244;
  color: #fff;
  padding: 40px 20px;
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.contact-info h3 {
  margin-bottom: 15px;
}
.contact-info p {
  margin: 5px 0;
}
.social {
  display: flex;
  gap: 15px;
}
.social-icon {
  font-size: 1.2rem;
  color: #ffc107;
  text-decoration: none;
  transition: color 0.3s;
}
.social-icon:hover {
  color: #e0a800;
}
.footer-copy {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 240px;
    background: #fff;
    flex-direction: column;
    padding-top: 80px;
    gap: 20px;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
  }
  .nav-links.nav-open {
    right: 0;
  }
  .nav-links li a {
    font-size: 1.1rem;
    padding-left: 20px;
  }
  .btn-demo {
    margin: 20px;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .benefit-list {
    grid-template-columns: 1fr;
  }
}