body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #222;
  background: #fafafa;
  line-height: 1.6;
}

header {
  background: #111;
  color: #fff;
  padding: 1rem 0;
  text-align: center;
}

.logo img {
  height: 80px;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

nav a:hover,
nav a.active {
  background: #e63946;
}

section {
  padding: 2rem 1rem;
  max-width: 800px;
  margin: auto;
}

#hero {
  background: url('images/Kalikempo Martial Arts logo with circle.jpg') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 6rem 1rem;
  background-color: #000000aa;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  background: #e63946;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
}

.btn:hover {
  background: #c62828;
}

footer {
  background: #111;
  color: #bbb;
  text-align: center;
  padding: 1rem 0;
  margin-top: 3rem;
}