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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f5fefe;
  color: #333;
}

/* Navbar */
.navbar {
  background: #101820;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1000;
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.navbar .menu-toggle {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}

.navbar .nav-links {
  list-style: none;
  display: flex;
}

.navbar .nav-links li {
  margin-left: 1.5rem;
}

.navbar .nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.navbar .nav-links a:hover {
  color: #00d1b2;
}

/* Hero Section */
.hero {
  position: relative;
  height: 60vh;
  overflow: hidden;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
  background: rgba(0,0,0,0.5);
  padding: 2rem;
  border-radius: 20px;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

/* Features */
.features {
  display: flex;
  justify-content: space-around;
  padding: 4rem 2rem;
  background: #fff;
  text-align: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.feature {
  max-width: 300px;
}

.feature h3 {
  color: #004d4d;
  margin-bottom: 1rem;
}

.feature p {
  font-size: 1rem;
  color: #555;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(to right, #004d4d, #006666);
  color: #fff;
  text-align: center;
  padding: 3rem 2rem;
}

.cta-section h2 {
  margin-bottom: 1.5rem;
}

/* Button */
.btn {
  background: #00d1b2;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s;
}

.btn:hover {
  background: #008080;
}

/* Footer */
.footer {
  background: #101820;
  color: #fff;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  margin-top: 3rem;
}

/* ======= Responsive (Device Friendly) ======= */
@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
  }

  .navbar .menu-toggle {
    display: block;
  }

  .navbar .nav-links {
    flex-direction: column;
    background: #101820;
    width: 100%;
    display: none;
    margin-top: 1rem;
    padding: 1rem 0;
    border-radius: 10px;
  }

  .navbar .nav-links li {
    margin: 0.5rem 0;
    text-align: center;
  }

  .navbar .nav-links.show {
    display: flex;
  }

  .hero {
    height: 80vh;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .features {
    flex-direction: column;
    padding: 2rem 1rem;
  }

  .cta-section h2 {
    font-size: 1.5rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
  }
}