/* Keep styles small and readable — no framework, no build step. */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #fff;
  color: #222;
}

header {
  position: sticky;
  top: 0;
  background: #C0392B;
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  margin: 0;
  font-size: 22px;
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-switch button {
  padding: 10px 14px;          /* big enough to tap with a thumb */
  font-size: 15px;
  border: 1px solid #fff;
  background: transparent;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.lang-switch button.active {
  background: #fff;
  color: #C0392B;
}

main img {
  display: block;
  width: 100%;                 /* the menu image always fits the phone screen */
  height: auto;
}