/* Γενική μορφοποίηση */
body {
  margin: 0;
  padding: 0;
  background-color: #F5821F;
  font-family: Arial, sans-serif;
  color: #000;
}

/* HEADER με λογότυπο */
header {
  background-color: #fff;
  text-align: center;
  padding: 20px;
}

header img {
  max-width: 100%;
  height: auto;
}

/* MENU */
nav {
  background-color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #ddd;
}

nav ul {
  margin: 0;
  padding: 10px 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

nav li {
  margin: 0 12px;
}

nav a {
  text-decoration: none;
  font-weight: bold;
  color: #000;
}

nav a:hover {
  color: #444;
}

/* SECTIONS */
section {
  background-color: #fff;
  margin: 20px;
  padding: 20px;
  border-radius: 6px;
}

section h2, section h3 {
  color: #FB5900;
}

/* Responsive για κινητά */
@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
  }

  nav li {
    margin: 6px 0;
  }

  section {
    margin: 10px;
    padding: 15px;
  }
}