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

/* BASE STYLES */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f7f9fc;
  color: #2c3e50;
  line-height: 1.6;
}

/* NAVIGATION */
nav {
  background-color: #4a90e2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  flex-wrap: wrap;
}

nav .logo img {
  height: 40px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem;
  border-radius: 5px;
}

nav ul li a:hover {
  background-color: #357abd;
}

/* FORM STYLING */
h2 {
  text-align: center;
  margin-top: 3rem;
  font-size: 2rem;
  color: #1c3d63;
}

form {
  background-color: white;
  max-width: 600px;
  margin: 2rem auto 4rem auto;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

form label {
  display: block;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.3rem;
}

form input[type="text"],
form input[type="email"],
form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  background-color: #f9fbff;
  transition: border 0.3s;
}

form input[type="text"]:focus,
form input[type="email"]:focus,
form textarea:focus {
  outline: none;
  border-color: #4a90e2;
  background-color: #fff;
}

form input[type="submit"] {
  background-color: #4a90e2;
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 1.5rem;
  transition: background-color 0.3s;
}

form input[type="submit"]:hover {
  background-color: #357abd;
}

/* FOOTER */
footer {
  background-color: #4a90e2;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
}

footer a {
  color: #e1f0ff;
  text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  h2 {
    font-size: 1.75rem;
  }

  form {
    margin: 2rem 1rem;
  }
}