:root {
  --green: #2ecc71;
  --gray-dark: #333333;
  --white: #ffffff;
  --blue: #3498db;
  --red: #e74c3c;
  --orange: #e67e22;
  --purple: #9b59b6;
  --yellow: #f1c40f;
}

body {
  font-family: Arial, sans-serif;
  background: var(--green);
  color: var(--gray-dark);
  line-height: 1.5;
  margin: 0;
}

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--gray-dark);
  color: var(--green);
  height: 70px;
  display: flex;
  align-items: center;
  z-index: 1000;
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}
.brand { font-weight: bold; }
.center-title { text-align: center; font-size: 1.5rem; font-weight: bold; }
.school-year {
  justify-self: end;
  display: flex;
  gap: 8px;
  align-items: center;
}
.school-year select {
  background: transparent;
  border: 1px solid var(--green);
  border-radius: 4px;
  color: var(--green);
  padding: 4px 8px;
}
.school-year select option:checked {
  background: var(--green);
  color: var(--white);
}

main {
  padding: 100px 20px 40px;
  text-align: center;
}
.hero h1 {
  margin-bottom: 30px;
  font-size: 2rem;
}

.letters {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}
.word {
  display: flex;
  gap: 12px;
}
.diamond {
  display: inline-flex;
  width: 80px;
  height: 80px;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.6rem;
  color: var(--white);
  transform: rotate(45deg);
}
.diamond span {
  transform: rotate(-45deg);
}

/* Colori diversi per i rombi */
.diamond:nth-child(1) { background: var(--blue); }
.diamond:nth-child(2) { background: var(--red); }
.diamond:nth-child(3) { background: var(--orange); }
.diamond:nth-child(4) { background: var(--purple); }
.diamond:nth-child(5) { background: var(--yellow); color: var(--gray-dark); }
.diamond:nth-child(6) { background: var(--blue); }
.diamond:nth-child(7) { background: var(--red); }
.diamond:nth-child(8) { background: var(--orange); }

.location p {
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: 40px;
}

footer {
  text-align: center;
  padding: 20px;
}
footer hr {
  border: none;
  border-top: 1px solid var(--gray-dark);
  margin-bottom: 10px;
}