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

body {
  font-family: Arial, sans-serif;
  color: white;
  background-color: #0b1f3a;
}

/* HERO SECTION */
.hero {
  height: 100vh;
  background-image: url("assets/images/logo-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.overlay {
  background: rgba(0, 0, 0, 0.55);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: 2px;
}

.hero p {
  margin: 10px 0 20px;
  font-size: 1.2rem;
  opacity: 0.9;
}

/* BUTTON */
.btn {
  display: inline-block;
  background: #00a8c6;
  padding: 12px 24px;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: 0.3s;
  margin-top: 20px;
}

.btn:hover {
  background: #007ea7;
}

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

.section.dark {
  background-color: #081726;
}

.section h2 {
  margin-bottom: 20px;
  font-size: 2rem;
}

/* CARDS */
.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.card {
  background: #102a43;
  padding: 30px;
  border-radius: 10px;
  width: 150px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  background: #163d5c;
}

/* FOOTER */
footer {
  padding: 20px;
  text-align: center;
  background: #050d18;
  font-size: 0.9rem;
}