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

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background-color: #f7f9fb;
  color: #333;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #007bff;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.nav-links a:hover {
  color: #007bff;
}

/* Hero */
.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 60px 40px;
  background: linear-gradient(135deg, #007bff, #00c6ff);
  color: #fff;
}

.hero-content {
  max-width: 600px;
}

.hero-content h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.hero-image img {
  max-width: 400px;
  width: 100%;
  border-radius: 10px;
}

.btn {
  display: inline-block;
  background: #fff;
  color: #007bff;
  padding: 12px 24px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 6px;
  transition: background 0.3s;
}

.btn:hover {
  background: #e2e6ea;
}

/* Features */
.features {
  padding: 60px 40px;
  text-align: center;
}

.features h2 {
  font-size: 2em;
  margin-bottom: 40px;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.feature {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  width: 250px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

/* Demo Section */
.demo {
  padding: 60px 40px;
  text-align: center;
  background: #e9f4ff;
}

/* Contact */
.contact {
  padding: 60px 40px;
  text-align: center;
  background: #fff;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: #f1f1f1;
  font-size: 0.9em;
  color: #666;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero-image {
    margin-top: 30px;
  }

  .feature-list {
    flex-direction: column;
    align-items: center;
  }
}