/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  background: #f9fafc;
  color: #333;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background: #fff; /* adjust as per theme */
  border-bottom: 1px solid #ddd;
}
.navbar .logo {
  font-size: 18px;
  font-weight: 600;
}
.navbar nav {
  display: flex;
  gap: 15px;
}
.navbar nav a {
  color: #004aad;
  margin-left: 1rem;
  text-decoration: none;
  transition: 0.3s;
}
.navbar nav a:hover,
.navbar nav a.active {
  text-decoration: underline;
  font-weight: 600;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3rem 1rem;
  background: linear-gradient(135deg, #004aad, #007bff);
  color: white;
}
.hero h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.hero p {
  font-size: 1.1rem;
}

/* Main Container */
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
  display: grid;
  gap: 1.5rem;
}

/* Card Design */
.card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.card h2 {
  margin-bottom: 1rem;
  color: #004aad;
}

/* Forms */
form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
input, textarea, select {
  width: 100%;
  padding: 0.7rem;
  margin-bottom: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
}
button {
  background: #007bff;
  color: #fff;
  padding: 0.7rem 1.2rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}
button:hover {
  background: #007bff;
}

/* Result Highlight */
.result {
  margin-top: 1rem;
  font-weight: 600;
  color: #007bff;
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
  background: #f1f5f9;
  color: #555;
  font-size: 0.9rem;
}

/* Menu Toggle (hidden by default) */
.menu-toggle {
  width: auto;
  font-size: 22px;
  border: none;
  cursor: pointer;
  display: none; /* hidden on desktop */
  margin-left: auto; /* pushes it to the right */
}

/* Mobile styles */
@media (max-width: 768px) {
  .navbar {
    flex-wrap: nowrap;
  }

  .menu-toggle {
    display: block;
  }

  .navbar nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;   /* below navbar */
    right: 0;
    width: 100%;
    background: #004aad; /* same as navbar */
    padding: 10px 0;
  }
  .navbar nav.active {
    display: flex;
  }

  .navbar nav a {
    color: #fff;
    padding: 12px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.2);
  }

  /* Hero */
  .hero {
    padding: 2rem 1rem;
  }
  .hero h1 {
    font-size: 1.5rem;
  }
  .hero p {
    font-size: 1rem;
  }

  /* Forms */
  .semester {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  form label {
    margin-bottom: 0.3rem;
  }
  input, textarea, select, button {
    font-size: 1rem;
    width: 100%;
  }

  /* Container */
  .container {
    margin: 1rem auto;
    padding: 0 0.5rem;
  }

  /* Cards */
  .card {
    padding: 1rem;
  }
}