:root {
  --fondo: #0d0e11;
  --fondo-2: #15171c;
  --linea: rgba(255, 255, 255, 0.07);
  --testo: #f3f1ec;
  --testo-2: #a9a7a1;
  --giallo: #ffd43b;
  --giallo-scuro: #e6bd22;
  --errore: #ff6b5a;
  --raggio: 14px;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--fondo);
  background-image:
    linear-gradient(var(--linea) 1px, transparent 1px),
    linear-gradient(90deg, var(--linea) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--testo);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

.pagina { max-width: 860px; margin: 0 auto; padding: 0 16px; }

/* --- Barra in alto --- */
.barra {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; font-family: var(--mono); font-size: 12px;
  color: var(--testo-2); letter-spacing: 0.06em; text-transform: uppercase;
}
.barra strong { color: var(--testo); font-weight: 700; }

/* --- Titolo --- */
.apertura { text-align: center; padding: 36px 0 28px; }
.etichetta {
  display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fondo);
  background: var(--giallo); padding: 6px 12px; border-radius: 6px; margin-bottom: 22px;
}
h1 {
  font-size: clamp(28px, 6vw, 48px); line-height: 1.12; font-weight: 800;
  letter-spacing: -0.02em; max-width: 780px; margin: 0 auto;
}
h1 em { font-style: normal; color: var(--giallo); }
.sotto {
  font-size: clamp(16px, 2.6vw, 19px); color: var(--testo-2);
  max-width: 620px; margin: 18px auto 0;
}

/* --- Video --- */
.video {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background: var(--fondo-2); border: 1px solid rgba(255, 212, 59, 0.35);
  border-radius: var(--raggio); overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vuoto {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 16px;
  font-family: var(--mono); font-size: 13px; color: var(--testo-2);
  border: 2px dashed rgba(255, 255, 255, 0.15); border-radius: var(--raggio);
}
.vuoto b { color: var(--giallo); font-weight: 700; }

/* --- Pulsante --- */
.cta-zona { text-align: center; padding: 30px 0 10px; }
.pulsante {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; max-width: 520px; min-height: 64px; padding: 16px 24px;
  background: var(--giallo); color: #111; border: 0; border-radius: 12px;
  font: inherit; font-size: 18px; font-weight: 800; text-decoration: none;
  cursor: pointer; box-shadow: 0 10px 30px rgba(255, 212, 59, 0.25);
  transition: transform 0.15s, background 0.15s;
}
.pulsante:hover { background: var(--giallo-scuro); transform: translateY(-2px); }
.pulsante:disabled { opacity: 0.6; cursor: wait; transform: none; }
.nota-cta { margin-top: 12px; font-size: 13px; color: var(--testo-2); }

/* --- Risultati --- */
.sezione { padding: 64px 0 20px; }
.sezione h2 {
  text-align: center; font-size: clamp(24px, 4.5vw, 34px); font-weight: 800;
  letter-spacing: -0.015em; line-height: 1.2;
}
.sezione .sotto { text-align: center; }
.griglia {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 32px;
}
@media (min-width: 720px) { .griglia { grid-template-columns: repeat(3, 1fr); } }
.prova {
  background: var(--fondo-2); border: 1px solid var(--linea); border-radius: var(--raggio);
  overflow: hidden;
}
.prova img { display: block; width: 100%; height: auto; }
.prova figcaption { padding: 10px 12px; font-size: 13px; color: var(--testo-2); }
.prova.da-riempire {
  aspect-ratio: 9 / 16; position: relative; border-style: dashed;
  border-color: rgba(255, 255, 255, 0.15);
}

/* --- Piede --- */
.piede {
  margin-top: 70px; padding: 30px 0 40px; border-top: 1px solid var(--linea);
  font-size: 12px; color: var(--testo-2); text-align: center;
}
.piede a { color: var(--testo-2); }
.piede p + p { margin-top: 10px; }

/* --- Finestra dati --- */
.velo {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; padding: 16px; z-index: 50;
}
.velo.aperto { display: flex; }
.finestra {
  position: relative; width: 100%; max-width: 460px; max-height: calc(100vh - 32px); overflow-y: auto;
  background: var(--fondo-2); border: 1px solid rgba(255, 212, 59, 0.35);
  border-radius: 18px; padding: 30px 22px 24px;
}
.chiudi {
  position: absolute; top: 10px; right: 12px; width: 36px; height: 36px;
  background: none; border: 0; color: var(--testo-2); font-size: 26px; cursor: pointer;
}
.finestra h3 { font-size: 22px; font-weight: 800; line-height: 1.2; padding-right: 28px; }
.finestra .sotto { text-align: left; margin: 8px 0 20px; font-size: 15px; }
.campo { margin-bottom: 14px; }
.campo label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.campo input {
  width: 100%; min-height: 50px; padding: 12px 14px; font: inherit; font-size: 16px;
  color: var(--testo); background: var(--fondo); border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px; outline: none;
}
.campo input:focus { border-color: var(--giallo); }
.consenso { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--testo-2); margin: 6px 0 18px; }
.consenso input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--giallo); flex-shrink: 0; }
.consenso a { color: var(--testo); }
.finestra .pulsante { max-width: none; }
.messaggio-errore { color: var(--errore); font-size: 14px; margin-top: 12px; display: none; }
.trappola { position: absolute; left: -9999px; opacity: 0; }

/* --- Video bloccato --- */
.blocco {
  position: absolute; inset: 0; width: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 18px; padding: 16px;
  background: radial-gradient(circle at center, rgba(255, 212, 59, 0.08), transparent 60%), var(--fondo-2);
  border: 0; color: var(--testo); font: inherit; cursor: pointer;
}
.play {
  width: 84px; height: 84px; border-radius: 50%; background: var(--giallo); position: relative;
  box-shadow: 0 0 0 10px rgba(255, 212, 59, 0.15); transition: transform 0.15s;
}
.play::after {
  content: ""; position: absolute; top: 50%; left: 54%; transform: translate(-50%, -50%);
  border-style: solid; border-width: 15px 0 15px 25px; border-color: transparent transparent transparent #111;
}
.blocco:hover .play { transform: scale(1.06); }
.blocco-testo { font-size: 15px; font-weight: 600; color: var(--testo-2); text-align: center; }
.pulsante[hidden] { display: none; }