@font-face {
  font-family: "Archivo";
  src: url("fonts/Archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

:root {
  --inchiostro: #173B2F;
  --inchiostro-tenue: #4A6259;
  --carta: #F3F6F4;
  --linea: #D3DDD8;
  --convalida: #0A8445;
  --usato: #5E6863;
  --errore: #B3261E;
  --raggio: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--inchiostro);
  background: var(--carta);
}

main {
  position: relative;
  z-index: 1;
  max-width: 32rem;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  padding: 1.25rem 1.25rem calc(1.75rem + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}

.marchio {
  margin: 0;
  font-weight: 800;
  font-stretch: 80%;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

h1 {
  margin: 2.25rem 0 0.75rem;
  font-weight: 820;
  font-stretch: 66%;
  font-size: clamp(2.5rem, 12vw, 3.5rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1rem; max-width: 34ch; }

.guida { color: var(--inchiostro-tenue); }

.caricamento {
  margin-top: 40vh;
  color: var(--inchiostro-tenue);
}

/* Passaggi: sono una sequenza reale, quindi numerati */
.passi {
  list-style: none;
  counter-reset: passo;
  margin: 1.25rem 0 1.75rem;
  padding: 0;
}
.passi li {
  counter-increment: passo;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: baseline;
  padding: 0.7rem 0;
  border-top: 1px solid var(--linea);
}
.passi li:last-child { border-bottom: 1px solid var(--linea); }
.passi li::before {
  content: counter(passo);
  font-weight: 850;
  font-stretch: 62%;
  font-size: 1.75rem;
  line-height: 1;
}

.pulsante {
  display: block;
  width: 100%;
  padding: 1.05rem 1.25rem;
  border: 0;
  border-radius: var(--raggio);
  background: var(--inchiostro);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 1.125rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.pulsante:focus-visible,
.link:focus-visible {
  outline: 3px solid var(--convalida);
  outline-offset: 3px;
}
.pulsante-chiaro {
  background: #fff;
  color: var(--inchiostro);
}

.link {
  display: inline-block;
  margin-top: 1rem;
  color: inherit;
  font-weight: 600;
  text-underline-offset: 3px;
}

.sconto {
  margin-top: auto;
  padding-top: 1.5rem;
}
.sconto-riga {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--linea);
  font-weight: 600;
}
.sconto-riga span:last-child { white-space: nowrap; }

.avviso {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--errore);
  background: #fff;
}

/* ---------- Schermata buono valido ---------- */

body.stato-valido { background: var(--convalida); color: #fff; }
body.stato-usato  { background: var(--usato);     color: #fff; }

.trama {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.09) 25%, transparent 25%,
    transparent 50%, rgba(255, 255, 255, 0.09) 50%,
    rgba(255, 255, 255, 0.09) 75%, transparent 75%
  );
  background-size: 50.91px 50.91px;
  animation: scorri 1.1s linear infinite;
}
@keyframes scorri {
  to { background-position: 50.91px 0; }
}

.orologio {
  margin: 1.5rem 0 0;
  max-width: none;
  font-weight: 900;
  font-stretch: 62%;
  font-size: clamp(5rem, 27vw, 8.5rem);
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stato-valido h1 { margin-top: 0.5rem; }

.farmacia {
  font-size: 1.25rem;
  font-weight: 600;
}

.lastra {
  margin: 0.75rem 0 1.25rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--raggio);
  background: #fff;
  color: var(--inchiostro);
}
.lastra p { margin: 0; }
.lastra .prezzo {
  margin-top: 0.15rem;
  font-weight: 850;
  font-stretch: 70%;
  font-size: 2rem;
  line-height: 1.05;
}

.dettagli { margin-top: auto; opacity: 0.92; }

/* ---------- Lettore QR ---------- */

.lettore {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.25rem calc(1.5rem + env(safe-area-inset-bottom));
  background: var(--inchiostro);
  color: #fff;
}
.lettore p { max-width: none; font-weight: 600; font-size: 1.125rem; }
.lettore-video {
  flex: 1;
  width: 100%;
  max-width: 32rem;
  margin: 0 auto 1.25rem;
  border-radius: var(--raggio);
  overflow: hidden;
  background: #000;
}
.lettore-video video { object-fit: cover; }
.lettore .pulsante { max-width: 32rem; margin: 0 auto; }

.noscript { padding: 1.25rem; }

@media (prefers-reduced-motion: reduce) {
  .trama { animation: none; }
}