/* Reset & font */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  background: #f9f9f9;
  color: #003366;
}

/* Header */
header {
  background-color: #003366;
  color: white;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 24px;
  font-weight: bold;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}
nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

/* Hero */
.hero {
  padding: 100px 20px;
  text-align: center;
  background: linear-gradient(135deg, #003366, #00bcd4);
  color: white;
}
.hero h1 {
  font-size: 48px;
}
.hero p {
  font-size: 18px;
  margin: 20px 0;
}
.btn {
  background: white;
  color: #003366;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}

/* Features */
.features {
  display: flex;
  justify-content: space-around;
  padding: 60px 20px;
  background: #ffffff;
}
.card {

  background: #e0f7fa;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* About */
.about {
  padding: 40px 20px;
  text-align: center;
  max-width: 800px;
  margin: auto;
}

/* Footer */
footer {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #333;
    color: white;
    padding: 10px 20px;
  }

  .logo {
    font-size: 20px;
    font-weight: bold;
  }

  .nav-links {
    list-style: none;
    display: flex;
    gap: 15px;
  }

  .nav-links li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
  }

  .menu-toggle {
    display: none;
    background: none;
    font-size: 24px;
    color: white;
    border: none;
    cursor: pointer;
  }

  @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      gap: 10px;
      background: #444;
      position: absolute;
      top: 60px;
      right: 20px;
      padding: 10px;
      border-radius: 5px;
    }

    .menu-toggle {
      display: block;
    }

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