body {
  margin: 0;
  font-family: Arial, sans-serif;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;   /* 👈 important for vertical alignment */
  padding: 10px 30px;
  background: #0a0f2c;
  color: white;
}

nav a {
  margin: 0 10px;
  color: white;
  text-decoration: none;
}

.hero {
  padding: 100px 20px;
  text-align: center;
  background: linear-gradient(to right, #0a0f2c, #1a2a6c);
  color: white;
}

.hero button {
  padding: 10px 20px;
  background: gold;
  border: none;
  cursor: pointer;
}

.features {
  display: flex;
  justify-content: space-around;
  padding: 40px;
}

.features div {
  width: 30%;
}

.about {
  padding: 40px;
  text-align: center;
}

footer {
  background: #0a0f2c;
  color: white;
  text-align: center;
  padding: 10px;
}
.logo img {
  height: 35px;   /* controls size */
  width: auto;
}