/* LO SCAFFALE — l'area software a riquadri (Marco, 2026-10-06: «di base non si apra il Meandro ma una semplice
   pagina dove scendi e vedi i software a riquadri come la home di Netflix; se ci clicchi si apre la finestra 3D»).

   Regole di disegno, le stesse del Meandro: si muovono solo `transform` e `opacity`, niente sfocature grandi e
   niente ombre animate — è così che resta a sessanta fotogrammi al secondo anche sul telefono. */

.sf-body { background: var(--void); min-height: 100vh; }
.sf-body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 600px at 12% -10%, rgba(124, 108, 255, .20), transparent 60%),
    radial-gradient(700px 500px at 88% 8%, rgba(196, 107, 255, .14), transparent 62%),
    radial-gradient(1000px 700px at 50% 110%, rgba(116, 228, 255, .08), transparent 60%);
}
.sf-body.sf-fermo { overflow: hidden; }

/* ── La testa ──────────────────────────────────────────────────────────────────────────────────────────────── */
.sf-testa {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px clamp(16px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(5, 4, 10, .94), rgba(5, 4, 10, .72) 70%, transparent);
  border-bottom: 1px solid var(--line);
}
.sf-marchio { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text);
  font-family: var(--display); font-weight: 700; letter-spacing: .04em; font-size: 14px; }
.sf-testa nav { margin-left: auto; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sf-testa nav a { color: var(--soft); text-decoration: none; font-size: 13.5px; padding: 7px 11px; border-radius: 999px; }
.sf-testa nav a:hover { color: var(--text); background: rgba(124, 108, 255, .14); }

/* lo scambio di vista: riquadri (qui) o Meandro */
.sf-vista { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(10, 7, 22, .7); }
.sf-vista a, .sf-vista span {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 7px 12px; border-radius: 999px; text-decoration: none; color: var(--muted); white-space: nowrap;
}
.sf-vista .qui { background: linear-gradient(115deg, var(--violet), var(--plasma)); color: #fff; }
.sf-vista a:hover { color: var(--text); background: rgba(124, 108, 255, .16); }

/* la ricerca */
.sf-cerca { position: relative; flex: 1 1 200px; max-width: 320px; }
.sf-cerca input {
  width: 100%; padding: 9px 14px; border-radius: 999px; font: inherit; font-size: 14px;
  background: rgba(10, 7, 22, .8); border: 1px solid var(--line-strong); color: var(--text);
}
.sf-cerca input:focus-visible { outline: 2px solid var(--violet-hi); outline-offset: 1px; }

/* ── L'apertura ────────────────────────────────────────────────────────────────────────────────────────────── */
.sf-apre { padding: clamp(28px, 6vw, 64px) clamp(16px, 4vw, 48px) 10px; max-width: 900px; }
.sf-apre h1 { font-family: var(--display); font-size: clamp(32px, 6vw, 60px); line-height: 1.04; margin: 0 0 14px; letter-spacing: -.02em; }
.sf-apre p { color: var(--soft); font-size: clamp(15px, 2vw, 18px); margin: 0 0 6px; max-width: 62ch; }
.sf-apre .sf-nota { color: var(--muted); font-size: 13.5px; }

/* ── Una fila per sole ─────────────────────────────────────────────────────────────────────────────────────── */
.sf-fila { margin: clamp(22px, 4vw, 38px) 0 0; }
.sf-fila-testa { display: flex; align-items: baseline; gap: 12px; padding: 0 clamp(16px, 4vw, 48px) 12px; flex-wrap: wrap; }
.sf-fila-testa h2 { font-family: var(--display); font-size: clamp(18px, 2.4vw, 24px); margin: 0; letter-spacing: -.01em; }
.sf-fila-testa .sf-idea { color: var(--muted); font-size: 13.5px; }
.sf-fila-testa .sf-pallino { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }

.sf-corsia { position: relative; }
.sf-pista {
  display: flex; gap: 14px; overflow-x: auto; overflow-y: hidden;
  padding: 10px clamp(16px, 4vw, 48px) 28px;
  scroll-snap-type: x proximity; scroll-behavior: smooth;
  overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.sf-pista::-webkit-scrollbar { height: 0; }
.sf-pista.sf-trascino { scroll-behavior: auto; cursor: grabbing; scroll-snap-type: none; }

/* le frecce: solo dove c'è un puntatore */
.sf-freccia {
  position: absolute; top: 0; bottom: 28px; width: clamp(38px, 4vw, 56px); z-index: 5;
  display: none; align-items: center; justify-content: center;
  border: 0; cursor: pointer; color: var(--text); font-size: 22px; line-height: 1;
  background: linear-gradient(90deg, rgba(5, 4, 10, .88), rgba(5, 4, 10, 0));
  opacity: 0; transition: opacity .18s ease;
}
.sf-freccia.dx { right: 0; background: linear-gradient(270deg, rgba(5, 4, 10, .88), rgba(5, 4, 10, 0)); }
.sf-freccia.sx { left: 0; }
.sf-freccia:disabled { opacity: 0 !important; pointer-events: none; }
@media (hover: hover) and (pointer: fine) {
  .sf-freccia { display: flex; }
  .sf-corsia:hover .sf-freccia, .sf-freccia:focus-visible { opacity: 1; }
}

/* ── La tessera ────────────────────────────────────────────────────────────────────────────────────────────── */
/* Poche tessere? crescono e riempiono la fila. Tante? si stringono fino al minimo e la fila si scorre.
   Una regola sola, senza conteggi: è il flex che decide, e non c è un caso «sbagliato». */
.sf-tessera {
  flex: 1 1 250px; min-width: 200px; max-width: 330px; scroll-snap-align: center;
  padding: 0; border: 0; background: none; cursor: pointer; text-align: left;
  perspective: 800px; -webkit-tap-highlight-color: transparent;
}
/* dentro un <button> gli elementi sono <span>: senza display:block le proporzioni e le misure non valgono */
.sf-tessera-corpo, .sf-tessera-foto, .sf-tessera-sotto, .sf-velo-foto, .sf-tessera-stato { display: block; }
.sf-tessera-corpo {
  position: relative; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line); background: var(--solid);
  transform-style: preserve-3d; transform: translateZ(0);
  transition: transform .26s cubic-bezier(.2, .7, .3, 1), border-color .26s ease, box-shadow .26s ease;
}
.sf-tessera-foto { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--deep); }
.sf-tessera-foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sf-tessera-foto .sf-velo-foto {
  position: absolute; inset: 0; background: linear-gradient(180deg, transparent 38%, rgba(5, 4, 10, .86));
}
/* quando l'immagine non c'è: una lettera grande e la tinta del sole */
.sf-tessera-segno {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--display); font-size: 58px; font-weight: 700; color: rgba(239, 237, 249, .22);
}
.sf-tessera-sotto { position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 14px 13px; }
.sf-tessera-sotto b { display: block; font-family: var(--display); font-size: 15.5px; letter-spacing: -.01em; }
.sf-tessera-sotto span { display: block; color: var(--soft); font-size: 12.2px; line-height: 1.4; margin-top: 3px;
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.sf-tessera-stato { position: absolute; top: 10px; left: 11px; }

@media (hover: hover) and (pointer: fine) {
  .sf-tessera:hover .sf-tessera-corpo, .sf-tessera:focus-visible .sf-tessera-corpo {
    border-color: var(--line-strong);
    box-shadow: 0 22px 50px -22px rgba(124, 108, 255, .75);
  }
}
.sf-tessera:focus-visible { outline: none; }
.sf-tessera:focus-visible .sf-tessera-corpo { outline: 2px solid var(--violet-hi); outline-offset: 2px; }

/* ── La finestra 3D ────────────────────────────────────────────────────────────────────────────────────────── */
.sf-velo {
  position: fixed; inset: 0; z-index: 70; display: grid; place-items: center;
  padding: clamp(10px, 3vw, 34px);
  background: rgba(4, 3, 9, .86);
}
.sf-velo[hidden] { display: none; }
.sf-scena { perspective: 1500px; width: min(1060px, 96vw); max-height: min(92vh, 860px); }

.sf-finestra {
  position: relative; transform-style: preserve-3d;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  /* `minmax(0, 1fr)` anche sulla riga, e `min-height: 0` sulle due colonne: senza, la riga cresce quanto il testo
     (1358 px contro una finestra di 828) e il testo in fondo veniva tagliato invece di scorrere. */
  grid-template-rows: minmax(0, 1fr);
  border-radius: 24px; overflow: hidden;
  border: 1px solid var(--line-strong); background: var(--deep);
  box-shadow: 0 60px 120px -50px rgba(0, 0, 0, .95), 0 0 0 1px rgba(169, 155, 255, .08);
  max-height: min(92vh, 860px);
}
/* il bagliore dietro, che dà la profondità vera invece di un'ombra finta */
.sf-finestra::before {
  content: ''; position: absolute; inset: 8%; z-index: -1; border-radius: 40px;
  transform: translateZ(-90px);
  background: radial-gradient(60% 60% at 50% 50%, rgba(124, 108, 255, .55), transparent 70%);
}

.sf-f-foto { position: relative; min-height: 0; background: var(--solid); overflow: hidden; }
.sf-f-foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sf-f-foto .sf-velo-foto { position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 40%, rgba(10, 7, 22, .55)), linear-gradient(0deg, rgba(5, 4, 10, .7), transparent 55%); }
.sf-f-foto .sf-tessera-segno { font-size: 120px; }

.sf-f-testo { padding: clamp(20px, 2.6vw, 34px); min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.sf-f-testo h2 { font-family: var(--display); font-size: clamp(24px, 3.4vw, 38px); margin: 0 0 8px; letter-spacing: -.02em; }
.sf-f-testo .sf-f-titolo { color: var(--soft); font-size: 15.5px; margin: 0 0 14px; }
.sf-f-testo .sf-f-corpo { color: var(--soft); font-size: 14.8px; }
.sf-f-chips { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 14px; }
.sf-f-testo .lista { margin: 0 0 16px; padding-left: 18px; color: var(--soft); font-size: 14.5px; }
.sf-f-testo .lista li { margin-bottom: 6px; }

.sf-f-livelli { display: grid; gap: 8px; margin: 4px 0 18px; }
.sf-f-liv { border: 1px solid var(--line); border-radius: 14px; padding: 11px 13px; background: var(--panel); }
.sf-f-liv b { display: block; font-size: 12px; font-family: var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--violet-hi); margin-bottom: 4px; }
.sf-f-liv span { color: var(--soft); font-size: 13.8px; }
.sf-f-liv.ok b { color: var(--ok); }

.sf-f-galleria { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 18px; scrollbar-width: none; }
.sf-f-galleria::-webkit-scrollbar { height: 0; }
.sf-f-galleria figure { margin: 0; flex: 0 0 auto; width: 160px; }
.sf-f-galleria img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }
.sf-f-galleria figcaption { color: var(--dim); font-size: 11.5px; margin-top: 5px; line-height: 1.35; }

.sf-f-azioni { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 4px 0 18px; }

/* chiudi, avanti e indietro */
.sf-chiudi {
  position: absolute; top: 12px; right: 12px; z-index: 4;
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line-strong); background: rgba(5, 4, 10, .8); color: var(--text); font-size: 17px;
}
.sf-chiudi:hover { border-color: var(--violet-hi); background: rgba(124, 108, 255, .22); }
.sf-salto {
  position: absolute; top: 50%; z-index: 72; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line-strong); background: rgba(5, 4, 10, .74); color: var(--text); font-size: 20px;
}
.sf-salto.sx { left: clamp(4px, 1.4vw, 18px); }
.sf-salto.dx { right: clamp(4px, 1.4vw, 18px); }
.sf-salto:hover { border-color: var(--violet-hi); background: rgba(124, 108, 255, .22); }
.sf-aiuto-f { color: var(--dim); font-size: 12px; margin: 14px 0 0; }

/* ── Telefono ──────────────────────────────────────────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .sf-pista { scroll-snap-type: x mandatory; gap: 12px; }
  .sf-tessera { flex: 0 0 auto; width: min(64vw, 280px); max-width: none; }
  .sf-finestra { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .sf-f-foto { min-height: 34vh; max-height: 34vh; }   /* sul telefono la fascia ha un'altezza sua */
  .sf-f-foto .sf-tessera-segno { font-size: 86px; }
  .sf-scena { width: 100%; max-height: 94vh; }
  .sf-finestra { max-height: 94vh; border-radius: 20px; }
  .sf-salto { display: none; }              /* da telefono si passa avanti con lo scorrimento del dito */
  .sf-f-testo { padding-bottom: 28px; }
}
@media (max-width: 420px) {
  .sf-tessera { flex: 0 0 auto; width: 70vw; }
}


/* Da telefono la testa non deve mangiarsi mezzo schermo: la ricerca va a capo da sola e i due collegamenti
   che si trovano comunque in fondo alla Home si tolgono, restano lo scambio di vista e l'Area Tester. */
@media (max-width: 620px) {
  .sf-testa { padding: 10px clamp(14px, 4vw, 20px); gap: 10px; row-gap: 8px; }
  .sf-cerca { order: 3; flex: 1 1 100%; max-width: none; }
  .sf-testa nav a:not(.btn) { display: none; }
  .sf-vista a, .sf-vista span { padding: 6px 10px; font-size: 10px; }
  .sf-apre { padding-top: 26px; }
}

/* ── Chi ha chiesto meno movimento ─────────────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .sf-pista { scroll-behavior: auto; }
  .sf-tessera-corpo { transition: border-color .2s ease; }
  .sf-finestra::before { display: none; }
}

/* ── Il fondo: quello che manca, e quando il catalogo non risponde ─────────────────────────────────────────── */
.sf-manca {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: space-between;
  margin: clamp(24px, 5vw, 56px) clamp(16px, 4vw, 48px) clamp(40px, 8vw, 90px);
  padding: clamp(20px, 3vw, 32px); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel);
}
.sf-manca h2 { font-family: var(--display); font-size: clamp(19px, 2.4vw, 25px); margin: 0 0 6px; }
.sf-manca p { color: var(--soft); font-size: 14.5px; margin: 0; max-width: 56ch; }
.sf-vuoto { color: var(--soft); padding: 40px clamp(16px, 4vw, 48px); font-size: 15px; }
.sf-vuoto a { color: var(--violet-hi); }

/* «Con l'accesso completo»: si paga una volta col mese, non a consumo. Tinta diversa dal gratis e dai crediti. */
.sf-f-liv.piano { border-color: rgba(179, 167, 255, .38); background: rgba(124, 108, 255, .10); }
.sf-f-liv.piano b { color: var(--violet-hi); }

/* La colonna della foto è alta e stretta: una schermata larga 16:10 tagliata a «cover» diventa uno zoom su un
   pezzo a caso. Da PC la mostro intera, centrata, con il fondo del pannello intorno. Sul telefono resta a cover,
   perché lì la fascia è bassa e larga e il taglio non fa danni. */
@media (min-width: 861px) {
  .sf-f-foto { display: flex; align-items: center; justify-content: center; }
  .sf-f-foto img { position: static; width: 100%; height: auto; max-height: 100%; object-fit: contain; }
  .sf-f-foto { background: radial-gradient(90% 70% at 50% 40%, rgba(124, 108, 255, .16), transparent 70%), var(--solid); }
  .sf-f-foto .sf-velo-foto { background: linear-gradient(100deg, transparent 55%, rgba(10, 7, 22, .45)); }
}