.html {
  scroll-behavior: smooth;
}

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

nav {
  background-color: #333;
  color: white;
  display: flex;
  align-items: center;
  padding: 1em;
  gap: 1em;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-photo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.logo {
  font-weight: bold;
  font-size: 1.2em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1em;
  margin-left: auto;
}

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

.welcome {
  text-align: center;
  padding: 2em;
}

.banner {
  background-color: #ccc;
  height: 300px;
  margin-top: 1em;
}

.headquarter {
  text-align: center;
  padding: 2em;
}

.cities {
  display: flex;
  justify-content: center;
  gap: 2em;
}

.city {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: #eee;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio {
  text-align: center;
  padding: 2em;
}

#previewFoto img {
  max-width: 300px;
  margin-top: 1em;
  border-radius: 10px;
}

.message-us {
  display: flex;
  justify-content: space-around;
  padding: 2em;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1em;
}

.output {
  background-color: #f9f9f9;
  padding: 1em;
  border: 1px solid #ccc;
}

footer {
  text-align: right;
  padding: 1em;
  background-color: #eee;
}