body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  background: #f9fafb;
  color: #1f2933;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  background: #0a3d91;
  color: white;
}

.logo {
  height: 40px;
}

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

nav a, nav button {
  color: white;
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-size: 1rem;
}

header {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #0a3d91, #ff8c00);
  color: white;
}

.tagline {
  font-size: 1.3rem;
  font-weight: bold;
}

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: white;
  color: #0a3d91;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

section {
  padding: 50px 20px;
  max-width: 900px;
  margin: auto;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

form input, form select {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
}

form button {
  padding: 12px;
  width: 100%;
  background: #0a3d91;
  color: white;
  border: none;
  font-size: 1rem;
}

.dark {
  background: #121212;
  color: #e5e5e5;
}