body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f5f7fb;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  padding: 15px 40px;
  background: #0a1f44;
  color: white;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 50px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

nav a {
  color: white;
  text-decoration: none;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #0a1f44, #132d6b);
  color: white;
  text-align: center;
  padding: 120px 20px;
}

.hero h1 {
  font-size: 40px;
}

.btn {
  background: gold;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  color: black;
  font-weight: bold;
  display: inline-block;
  margin-top: 20px;
}

/* SECTIONS */
section {
  padding: 60px 20px;
  text-align: center;
}

.premium-section {
  background: white;
}

/* HIGHLIGHT */
.highlight-box {
  background: #0a1f44;
  color: white;
  padding: 20px;
  border-radius: 10px;
  margin-top: 20px;
}

/* CARDS */
.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
}

.card {
  background: white;
  padding: 25px;
  width: 260px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* CTA */
.cta {
  background: #0a1f44;
  color: white;
}

/* FOOTER */
footer {
  background: #0a1f44;
  color: white;
  padding: 20px;
}

/* WHATSAPP */
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  padding: 15px;
  border-radius: 50%;
  color: white;
  text-decoration: none;
}