/* ═══ AIutiti — Keynote (pagine prodotto, stile presentazione) ═══
   Caricato DOPO v2.css, solo sulle pagine prodotto, insieme a
   body.theme-dark. Namespace .kn- per non interferire col resto. */

body.keynote{
  --paper:#08080A;          /* nero profondo da presentazione */
  --ink:#F5F5F7;
  --muted:#9C9AA4;
  --line:rgba(245,245,247,.12);
  background:var(--paper);
}
body.keynote section{border-top:none}

/* ── Hero full-screen ───────────────────────────────────────── */
.kn-hero{
  min-height:100svh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:110px 24px 90px;position:relative;overflow:hidden;
}
.kn-hero::before{ /* alone morbido dietro al titolo */
  content:"";position:absolute;inset:-10% -20% auto;height:80%;pointer-events:none;
  background:radial-gradient(ellipse 55% 45% at 50% 38%,rgba(214,51,108,.13),transparent 70%);
}
.kn-hero > *{position:relative}
.kn-hero .badge-live{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;
  color:#F191B4;margin-bottom:30px;
}
.kn-hero .badge-live::before{
  content:"";display:inline-block;flex-shrink:0;width:8px;height:8px;border-radius:50%;
  background:currentColor;animation:livePulse 1.4s infinite;
}
.kn-hero h1{
  font-size:clamp(2.7rem,8vw,5.8rem);font-weight:700;letter-spacing:-.035em;
  line-height:1.02;max-width:14ch;text-wrap:balance;
}
.kn-payoff{
  font-size:clamp(1.15rem,2.4vw,1.6rem);font-weight:600;letter-spacing:-.015em;
  color:var(--ink);margin:26px 0 0;
}
.kn-sub{color:var(--muted);max-width:56ch;font-size:1.02rem;margin:14px 0 0}
.kn-cta{display:flex;gap:26px;align-items:center;flex-wrap:wrap;justify-content:center;margin-top:36px}
.kn-link{
  font-size:.95rem;font-weight:600;color:#EE5C8B;display:inline-flex;gap:8px;align-items:center;
}
.kn-link .arr{transition:transform .2s}
.kn-link:hover .arr{transform:translateY(3px)}

/* visual hero: il prodotto al centro della scena */
.kn-visual{width:min(920px,100%);margin:70px auto 0;position:relative}
.kn-visual::before{
  content:"";position:absolute;inset:-14% -16%;pointer-events:none;
  background:radial-gradient(ellipse 60% 55% at 50% 50%,rgba(214,51,108,.14),transparent 70%);
  filter:blur(6px);
}
.kn-visual .mock{
  position:relative;text-align:left;padding:26px;border-radius:20px;
  background:#121115;border-color:rgba(245,245,247,.13);
  box-shadow:0 70px 160px -60px rgba(0,0,0,.95),0 0 110px -40px rgba(214,51,108,.3);
}
.kn-visual .mock-head{font-size:.66rem}
.kn-visual img{
  position:relative;width:100%;display:block;border-radius:20px;
  border:1px solid rgba(245,245,247,.13);
  box-shadow:0 70px 160px -60px rgba(0,0,0,.95),0 0 110px -40px rgba(214,51,108,.3);
}

/* entrata hero (senza observer: parte al load) */
@keyframes knIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.kn-in{opacity:0;animation:knIn .9s cubic-bezier(.2,.7,.2,1) forwards}
.kn-d1{animation-delay:.08s}.kn-d2{animation-delay:.18s}.kn-d3{animation-delay:.28s}
.kn-d4{animation-delay:.4s}.kn-d5{animation-delay:.55s}

/* ── Slide: blocco centrato con tanta aria ──────────────────── */
.kn-slide{padding:150px 0}
.kn-slide-head{text-align:center;max-width:820px;margin:0 auto 64px;padding:0 24px}
.kn-slide-head .label{justify-content:center}
.kn-slide-head h2{font-size:clamp(2.1rem,5.4vw,3.9rem);letter-spacing:-.032em;margin:20px 0 0;text-wrap:balance}
.kn-slide-head p{color:var(--muted);font-size:1.06rem;max-width:54ch;margin:20px auto 0}

/* statement intermedio, una sola frase */
.kn-statement{padding:170px 24px;text-align:center}
.kn-statement h2{
  font-size:clamp(2.2rem,6.2vw,4.6rem);letter-spacing:-.034em;line-height:1.08;
  max-width:20ch;margin:0 auto;text-wrap:balance;
}
.kn-statement .kn-note{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);display:block;margin-top:28px;
}

/* ── Scroll-telling: le 4 fasi con pannello sticky ──────────── */
.kn-flow{position:relative;height:430vh}
.kn-flow-stage{
  position:sticky;top:0;height:100svh;overflow:hidden;
  display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;
  max-width:var(--w);margin:0 auto;padding:80px 28px 40px;
}
.kn-flow-copy{position:relative;min-height:240px}
.kn-fc{
  position:absolute;top:50%;left:0;right:0;transform:translateY(calc(-50% + 22px));
  opacity:0;transition:opacity .45s ease,transform .45s ease;pointer-events:none;
}
.kn-fc.on{opacity:1;transform:translateY(-50%)}
.kn-fc .num{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:#EE5C8B;display:block;margin-bottom:16px;
}
.kn-fc h3{font-size:clamp(1.6rem,3.4vw,2.5rem);letter-spacing:-.028em;line-height:1.1}
.kn-fc p{color:var(--muted);font-size:1rem;max-width:38ch;margin:16px 0 0}
.kn-progress{display:flex;gap:8px;position:absolute;bottom:0;left:0}
.kn-progress i{width:34px;height:3px;border-radius:2px;background:var(--line);transition:background .3s}
.kn-flow-stage[data-phase="0"] .kn-progress i:nth-child(1),
.kn-flow-stage[data-phase="1"] .kn-progress i:nth-child(-n+2),
.kn-flow-stage[data-phase="2"] .kn-progress i:nth-child(-n+3),
.kn-flow-stage[data-phase="3"] .kn-progress i{background:var(--magenta)}

/* pannello: gli elementi si accendono per fase.
   Sistema generico: .kf = elemento pilotato, data-ph="n [m]" = fasi in cui è acceso,
   .kf-hl = bordo magenta quando acceso, .kf-go = alone verde quando acceso. */
.kn-flow-mock .mock{background:#121115;border-color:rgba(245,245,247,.13);border-radius:20px;padding:24px}
.kn-flow-mock .toast{
  border:1px solid var(--line-dark);border-radius:10px;padding:11px 14px;margin-bottom:12px;
  font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;color:var(--muted-dark);
  display:flex;gap:10px;align-items:center;
}
.kn-flow-mock .toast::before{content:"●";color:var(--magenta);font-size:.6rem}
.kn-flow-mock .pane{margin-bottom:12px}
.kn-flow-mock .pane:last-child{margin-bottom:0}
.kn-flow-mock .kf{opacity:.28;transition:opacity .45s,border-color .45s,box-shadow .45s}
.kn-flow-stage[data-phase="0"] .kf[data-ph~="0"],
.kn-flow-stage[data-phase="1"] .kf[data-ph~="1"],
.kn-flow-stage[data-phase="2"] .kf[data-ph~="2"],
.kn-flow-stage[data-phase="3"] .kf[data-ph~="3"]{opacity:1}
.kn-flow-stage[data-phase="0"] .kf-hl[data-ph~="0"],
.kn-flow-stage[data-phase="1"] .kf-hl[data-ph~="1"],
.kn-flow-stage[data-phase="2"] .kf-hl[data-ph~="2"],
.kn-flow-stage[data-phase="3"] .kf-hl[data-ph~="3"]{border-color:rgba(214,51,108,.55);box-shadow:0 0 34px -12px rgba(214,51,108,.45)}
.kn-flow-stage[data-phase="2"] .kf-go[data-ph~="2"],
.kn-flow-stage[data-phase="3"] .kf-go[data-ph~="3"]{box-shadow:0 0 44px -12px rgba(124,200,143,.5)}
.kn-flow-mock .req-actions i{transition:background .45s,color .45s,border-color .45s,box-shadow .45s}
/* bespoke Battito: alla fase 2 il tasto Accetta si conferma */
.kn-flow-stage[data-phase="2"] .kf-accept{background:#3FCF8E;color:#08080A;border-color:#3FCF8E;box-shadow:0 0 26px -8px rgba(63,207,142,.6)}

/* ── Griglia funzionalità (card keynote) ────────────────────── */
.kn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.kn-card{
  background:#131216;border:1px solid rgba(245,245,247,.09);border-radius:20px;
  padding:36px 32px;transition:transform .3s,border-color .3s;
}
.kn-card:hover{transform:translateY(-4px);border-color:rgba(214,51,108,.45)}
.kn-card h3{font-size:1.22rem;letter-spacing:-.02em;margin-bottom:10px}
.kn-card p{color:var(--muted);font-size:.93rem;margin:0}

/* per chi è: chips centrate */
.kn-chips{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;max-width:760px;margin:0 auto}
.kn-chips .chip{color:var(--muted);padding:9px 16px;border-radius:999px;font-size:.66rem}

/* ── Responsive ─────────────────────────────────────────────── */
@media(max-width:860px){
  .kn-flow{height:auto}
  .kn-flow-stage{
    position:static;height:auto;grid-template-columns:1fr;gap:36px;
    padding:70px 20px;overflow:visible;
  }
  .kn-flow-copy{min-height:0;display:flex;flex-direction:column;gap:44px}
  .kn-fc{position:static;transform:none;opacity:1;pointer-events:auto}
  .kn-progress{display:none}
  /* senza scroll-telling, il pannello mostra tutto acceso */
  .kn-flow-mock .kf{opacity:1}
  .kn-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .kn-hero{padding:96px 20px 70px}
  .kn-slide{padding:96px 0}
  .kn-statement{padding:110px 20px}
  .kn-slide-head{margin-bottom:44px}
  .kn-visual{margin-top:52px}
  .kn-visual .mock{padding:16px;border-radius:16px}
  .kn-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .kn-in{animation:none;opacity:1}
  .kn-flow{height:auto}
  .kn-flow-stage{position:static;height:auto;grid-template-columns:1fr;gap:36px;overflow:visible}
  .kn-flow-copy{min-height:0;display:flex;flex-direction:column;gap:44px}
  .kn-fc{position:static;transform:none;opacity:1;pointer-events:auto}
  .kn-progress{display:none}
  .kn-flow-mock .kf{opacity:1}
}