/* app-tour.css — pagina di presentazione dell'app.
   Il telefono resta fermo, il racconto scorre: lo schermo cambia da solo.
   Palette e tipografia ereditate da style.css del sito. */

.tour-hero{
  position:relative;padding:150px 0 70px;overflow:hidden;
  background:
    radial-gradient(900px 620px at 78% 8%, rgba(59,157,216,.16), transparent 62%),
    radial-gradient(720px 520px at 8% 32%, rgba(232,181,75,.09), transparent 66%),
    var(--bg);
}
.tour-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 62%,var(--bg));
}
.tour-hero-inner{position:relative;z-index:2;display:grid;gap:52px;align-items:center;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
.tour-eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--azure-bright);display:flex;align-items:center;gap:12px;margin-bottom:20px
}
.tour-eyebrow::before{content:"";width:38px;height:1px;background:var(--azure)}
.tour-hero h1{font-size:clamp(2.4rem,5.4vw,4rem);letter-spacing:-.035em;margin-bottom:22px}
.tour-hero h1 em{font-style:normal;display:block;
  background:linear-gradient(104deg,var(--azure-bright),var(--gold));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tour-lead{color:var(--txt-2);font-size:1.08rem;max-width:46ch;margin-bottom:30px}
.tour-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.tour-facts{display:flex;flex-wrap:wrap;gap:10px}
.tour-fact{
  display:flex;align-items:baseline;gap:9px;padding:9px 15px;border-radius:999px;
  border:1px solid var(--border);background:rgba(15,26,58,.62);
  font-family:var(--mono);font-size:.75rem;color:var(--txt-2)
}
.tour-fact b{color:var(--txt);font-size:.95rem}

/* ── Il dispositivo ───────────────────────────────────────────── */
.device{
  position:relative;width:min(330px,84vw);margin:0 auto;aspect-ratio:390/844;
  border-radius:44px;padding:11px;
  background:linear-gradient(168deg,#2b3a63,#101a38 46%,#243357);
  box-shadow:0 46px 90px -30px rgba(0,0,0,.85),0 0 0 1px rgba(111,194,239,.16),
    inset 0 1px 0 rgba(255,255,255,.13)
}
.device::before{ /* isola dinamica */
  content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);
  width:78px;height:19px;border-radius:999px;background:#05080f;z-index:4
}
.device-screen{position:relative;width:100%;height:100%;border-radius:34px;overflow:hidden;background:#050912}
.device-screen img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center;
  opacity:0;transform:scale(1.035);
  transition:opacity .62s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)
}
.device-screen img.is-live{opacity:1;transform:scale(1)}
.device-glow{
  position:absolute;inset:-16% -22%;z-index:-1;border-radius:50%;filter:blur(58px);opacity:.55;
  background:radial-gradient(circle,rgba(59,157,216,.5),transparent 66%);
  animation:tourBreathe 8s ease-in-out infinite
}
@keyframes tourBreathe{0%,100%{opacity:.42;transform:scale(1)}50%{opacity:.62;transform:scale(1.07)}}

/* ── Il percorso a sezioni ────────────────────────────────────── */
.tour-walk{padding:20px 0 96px}
.tour-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:64px;align-items:start}
.tour-sticky{position:sticky;top:96px;display:grid;gap:18px;justify-items:center}
/* Il telefono si dimensiona sull'altezza della finestra: colonna e indice
   restano interamente visibili anche sui portatili bassi. */
.tour-sticky .device{width:auto;height:min(608px,62vh)}
.tour-rail{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;max-width:340px}
.tour-rail button{
  display:flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;cursor:pointer;
  border:1px solid var(--border);background:rgba(15,26,58,.55);color:var(--txt-3);
  font:600 .68rem/1 var(--ff);letter-spacing:.02em;transition:.28s cubic-bezier(.16,1,.3,1)
}
.tour-rail button svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.9}
.tour-rail button:hover{color:var(--txt-2);border-color:var(--border-2)}
.tour-rail button[aria-current="true"]{
  color:#05080f;background:linear-gradient(120deg,var(--azure-bright),var(--azure));
  border-color:transparent;box-shadow:0 8px 22px -10px rgba(59,157,216,.85)
}

.tour-step{
  padding:74px 0;border-top:1px solid var(--border);
  opacity:0;transform:translateY(30px);
  transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)
}
.tour-step:first-of-type{border-top:0}
.tour-step.is-in{opacity:1;transform:none}
.tour-step-tag{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--azure-bright)
}
.tour-step-tag svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8}
.tour-step h2{font-size:clamp(1.7rem,3.1vw,2.35rem);margin-bottom:14px;letter-spacing:-.03em}
.tour-step p{color:var(--txt-2);max-width:52ch;margin-bottom:18px}
.tour-points{display:grid;gap:11px;max-width:52ch}
.tour-point{display:flex;gap:12px;align-items:flex-start;color:var(--txt-2);font-size:.95rem}
.tour-point::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:8px;border-radius:2px;
  background:linear-gradient(140deg,var(--azure-bright),var(--gold))
}
.tour-point b{color:var(--txt);font-weight:700}
.tour-quote{
  margin-top:22px;padding:15px 18px;border-left:2px solid var(--azure);
  background:rgba(15,26,58,.5);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--txt-2);font-size:.9rem
}
.tour-quote span{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--txt-3);margin-bottom:6px}

/* schermo affiancato al testo solo su mobile, dove non c'è lo sticky */
.tour-step-shot{display:none;margin:26px 0 6px}
.tour-step-shot .device{width:min(280px,72vw)}

/* ── Chiusura ─────────────────────────────────────────────────── */
.tour-close{padding:0 0 110px}
.tour-close-card{
  position:relative;overflow:hidden;padding:54px 44px;border-radius:26px;
  border:1px solid var(--border-2);
  background:
    radial-gradient(600px 340px at 88% 6%, rgba(59,157,216,.2), transparent 64%),
    linear-gradient(150deg,var(--panel),var(--bg-2));
  box-shadow:var(--shadow)
}
.tour-close-card h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin-bottom:14px;letter-spacing:-.03em}
.tour-close-card p{color:var(--txt-2);max-width:56ch;margin-bottom:26px}
.tour-close-actions{display:flex;flex-wrap:wrap;gap:14px}
.tour-note{margin-top:24px;font-size:.8rem;color:var(--txt-3);max-width:62ch}

@media (max-width:980px){
  .tour-hero{padding-top:124px}
  .tour-hero-inner{grid-template-columns:1fr;gap:40px}
  .tour-layout{grid-template-columns:1fr;gap:0}
  .tour-sticky{display:none}
  .tour-step-shot{display:block}
  .tour-step{padding:56px 0}
  .tour-close-card{padding:40px 26px}
}
@media (prefers-reduced-motion:reduce){
  .tour-step{opacity:1;transform:none;transition:none}
  .device-screen img{transition:opacity .001s}
  .device-glow{animation:none}
}