/* SicParviStudio — foglio di stile condiviso */

/* ---------- Caratteri ----------
   Inter servito dal nostro dominio, non da Google: nessun indirizzo IP dei
   visitatori viene trasmesso a terzi per caricare il testo.
   Sono file "variabili": uno solo copre tutti i pesi da 400 a 700.
   Licenza SIL Open Font License 1.1 — https://github.com/rsms/inter */
@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('/font/inter-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,
    U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,
    U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('/font/inter-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,
    U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,
    U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root{
  --bg:#ffffff;
  --surface:#f7f8fa;
  --surface-2:#f0f2f5;
  --ink:#0e141b;
  --ink-soft:#57616e;
  --ink-faint:#8b95a1;
  --line:#e3e7ec;
  --line-strong:#cdd4dc;
  --accent:#2f5bd8;
  --accent-soft:rgba(47,91,216,.09);
  --radius:14px;
  --radius-lg:20px;
  --maxw:1120px;
  --maxw-prose:720px;
}

/* Accenti per prodotto: si applicano mettendo la classe sul <body> */
body.p-kai{--accent:#2b62dd;--accent-soft:rgba(43,98,221,.10)}
body.p-wordkeeper{--accent:#6248d8;--accent-soft:rgba(98,72,216,.10)}
body.p-video{--accent:#b06a12;--accent-soft:rgba(176,106,18,.10)}

/* I due colori dell'app KAI: blu per la palestra, arancio per l'HIIT */
:root{--gym:#2b62dd;--gym-soft:rgba(43,98,221,.08);--hiit:#c9502a;--hiit-soft:rgba(201,80,42,.08)}
/* I due colori di Wordkeeper: il verde della valle, l'oro delle scene narrative */
:root{--wk:#2f7d5a;--wk-soft:rgba(47,125,90,.09);--wkw:#b8862b;--wkw-soft:rgba(184,134,43,.10)}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
/* Tre elementi in fila: marchio a sinistra, navigazione e comandi a destra.
   Il margine automatico sulla navigazione fa il lavoro dello space-between,
   che qui non basterebbe perche' gli elementi sono tre e non due. */
.site-header .wrap{
  display:flex;align-items:center;
  gap:24px;height:64px;
}
.nav{margin-left:auto}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:600;font-size:16px;letter-spacing:-.015em;
}
.brand .mark{
  width:22px;height:22px;border-radius:7px;flex:none;
  background:var(--accent);
  display:grid;place-items:center;
  color:#fff;font-size:11px;font-weight:700;letter-spacing:0;
}
.nav{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--ink-soft)}
.nav a{transition:color .18s;white-space:nowrap}
.nav a:hover{color:var(--ink)}
.nav a.current{color:var(--ink);font-weight:500}

.head-right{display:flex;align-items:center;gap:10px;flex:none}

/* ---------- Selettore di lingua ---------- */
/* A tendina, non a interruttore: regge tre lingue come ne regge dieci. */
.lang{position:relative}
.lang-btn{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line-strong);background:#fff;border-radius:9px;
  padding:7px 9px;cursor:pointer;
  font-family:inherit;font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;
  color:var(--ink-soft);transition:color .18s,background .18s,border-color .18s;
}
.lang-btn:hover{color:var(--ink);background:var(--surface)}
.lang-btn svg{width:15px;height:15px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.lang-btn .chev{width:13px;height:13px;opacity:.7;transition:transform .2s}
.lang-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}

.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);min-width:162px;z-index:60;
  list-style:none;padding:6px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 22px 46px -26px rgba(14,20,27,.5);
}
.lang-menu[hidden]{display:none}
.lang-menu a,.lang-menu span{
  display:block;padding:9px 12px;border-radius:8px;
  font-size:14px;color:var(--ink-soft);
}
.lang-menu a{transition:background .18s,color .18s}
.lang-menu a:hover{background:var(--surface);color:var(--ink)}
.lang-menu [aria-current]{color:var(--accent);font-weight:600;background:var(--accent-soft)}

/* ---------- Pulsante del menu (solo su schermo stretto) ---------- */
.burger{
  display:none;place-items:center;
  width:36px;height:34px;padding:0;cursor:pointer;
  background:#fff;border:1px solid var(--line-strong);border-radius:9px;
  color:var(--ink-soft);transition:color .18s,background .18s;
}
.burger:hover{color:var(--ink);background:var(--surface)}
.burger svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}

/* ---------- Barra del suggerimento di lingua ---------- */
/* Propone, non impone: sta sotto l'intestazione, si chiude e non torna. */
.langbar{
  background:var(--surface);border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-soft);
}
.langbar[hidden]{display:none}
.langbar .wrap{
  display:flex;align-items:center;gap:14px;
  padding-top:11px;padding-bottom:11px;
}
.langbar p{margin:0;flex:1}
.langbar a{
  color:var(--accent);font-weight:500;
  text-decoration:underline;text-underline-offset:2px;
}
.langbar-x{
  flex:none;width:28px;height:28px;padding:0;cursor:pointer;
  background:transparent;border:0;border-radius:7px;
  font-family:inherit;font-size:20px;line-height:1;color:var(--ink-faint);
  transition:background .18s,color .18s;
}
.langbar-x:hover{background:var(--surface-2);color:var(--ink)}

/* ---------- Tipografia ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  padding:6px 12px;border-radius:100px;margin-bottom:22px;
}
h1{
  font-size:clamp(34px,5.4vw,56px);
  line-height:1.06;letter-spacing:-.03em;font-weight:600;
}
h2{font-size:clamp(24px,3vw,34px);line-height:1.15;letter-spacing:-.022em;font-weight:600}
h3{font-size:18px;line-height:1.3;letter-spacing:-.012em;font-weight:600}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--ink-soft);max-width:60ch}

/* ---------- Hero ---------- */
/* la larghezza si limita sui figli, non sul contenitore:
   altrimenti il max-width sovrascrive quello di .wrap e il blocco viene centrato */
/* NB: queste classi convivono con .wrap sullo stesso elemento, quindi si usano
   padding-top/padding-bottom: la shorthand azzererebbe il padding orizzontale di .wrap */
.hero{padding-top:84px;padding-bottom:56px}
.hero > *{max-width:800px}
.hero h1{margin-bottom:22px}
.hero .lead{margin-bottom:0}

/* ---------- Bottoni ---------- */
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;line-height:1;
  padding:13px 20px;border-radius:10px;
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);
  transition:background .18s,border-color .18s,color .18s,transform .18s;
  cursor:pointer;
}
.btn:hover{border-color:var(--ink-faint);transform:translateY(-1px)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.07);border-color:var(--accent)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-soft);padding-left:6px;padding-right:6px}
.btn-ghost:hover{color:var(--ink);border-color:transparent}

/* ---------- Sezioni ---------- */
.section{padding-top:56px;padding-bottom:56px}
.section-head{margin-bottom:32px;max-width:var(--maxw-prose)}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--ink-soft)}
.section-label{
  font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:14px;
}

/* ---------- Griglia prodotti ---------- */
/* auto-fit: la riga si riempie da sola, che i prodotti siano due, tre o cinque.
   Con un numero fisso di colonne, togliendo un prodotto restava un buco. */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;min-height:210px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
a.card:hover{
  border-color:var(--line-strong);
  box-shadow:0 12px 32px -18px rgba(14,20,27,.28);
  transform:translateY(-3px);
}
.card .kicker{
  font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.card h3{margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:20px}
.card .more{margin-top:auto;font-size:14px;font-weight:500;color:var(--accent)}
.card.soon{background:var(--surface);border-style:dashed}
.card.soon .kicker,.card.soon .more{color:var(--ink-faint)}

/* accenti per card nella home */
.card.a-kai .kicker,.card.a-kai .more{color:#2b62dd}
.card.a-wordkeeper .kicker,.card.a-wordkeeper .more{color:#6248d8}
.card.a-video .kicker,.card.a-video .more{color:#b06a12}

/* ---------- Vetrina: una schermata per riga, alternata ---------- */
.showcase{display:grid;gap:104px;margin-top:12px}
.row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;
}
/* Le righe pari ribaltano l'ordine: immagine a destra, testo a sinistra. */
.row.flip .row-media{order:2}

.row-media{position:relative;display:flex;justify-content:center;padding:24px 0}
/* Alone morbido dietro al telefono; il colore arriva da --tint sulla riga. */
.row-media::before{
  content:"";position:absolute;left:50%;top:50%;
  width:min(100%,400px);height:74%;
  transform:translate(-50%,-50%);
  background:var(--tint,var(--accent-soft));
  border-radius:999px;filter:blur(46px);
}
.row-text{max-width:46ch}
.row-label{
  font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.row-text h3{
  font-size:clamp(21px,2.3vw,27px);line-height:1.2;letter-spacing:-.02em;
  margin-bottom:12px;
}
.row-text p{color:var(--ink-soft)}

/* Il riquadro nasconde la status bar della cattura (i primi 99px dei 1391). */
.shot-frame{
  position:relative;width:100%;max-width:292px;
  overflow:hidden;border:1px solid var(--line);border-radius:26px;
  background:var(--surface-2);aspect-ratio:640/1292;
  box-shadow:0 30px 60px -32px rgba(14,20,27,.45);
}
.shot-frame img{width:100%;height:auto;display:block;margin-top:-15.42%}

/* Entrata allo scorrimento. La classe .reveal la mette lo script: senza
   JavaScript, o con le animazioni ridotte, il contenuto resta visibile. */
.reveal{
  opacity:0;
  transition:opacity .75s cubic-bezier(.22,.68,.28,1),transform .75s cubic-bezier(.22,.68,.28,1);
}
.row-media.reveal{transform:translateX(-30px)}
.row.flip .row-media.reveal{transform:translateX(30px)}
.row-text.reveal{transform:translateY(22px);transition-delay:.1s}
.reveal.in{opacity:1;transform:none}

/* ---------- Pulsanti degli store ---------- */
/* Forma e proporzioni dei badge ufficiali, con i loghi come SVG in linea. */
.store-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.store-btn{
  display:inline-flex;align-items:center;gap:11px;
  padding:9px 20px 9px 16px;border-radius:12px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);
  transition:transform .18s,filter .18s,border-color .18s;
}
a.store-btn:hover{transform:translateY(-1px);filter:brightness(1.6)}
.store-btn .ico{display:grid;place-items:center;width:26px;height:26px;flex:none}
.store-btn .ico svg{width:100%;height:100%;fill:currentColor;display:block}
.store-btn .txt{display:flex;flex-direction:column;line-height:1.18;text-align:left}
.store-btn .txt small{font-size:11px;opacity:.72;letter-spacing:.02em}
.store-btn .txt strong{font-size:16px;font-weight:600;letter-spacing:-.012em}
/* Quello non ancora disponibile: stessa forma, ma spento e non cliccabile. */
.store-btn.soon{
  background:transparent;color:var(--ink-soft);
  border-color:var(--line-strong);cursor:default;
}

/* ---------- Griglia caratteristiche ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
}
.feat h3{margin-bottom:6px}
.feat p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- Fascia informativa ---------- */
.strip{
  background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:44px 0;
}
.strip .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.strip .item h3{margin-bottom:6px}
.strip .item p{font-size:14.5px;color:var(--ink-soft)}

/* separatore fra le due lingue nella pagina 404 */
.sep{border:0;border-top:1px solid var(--line);margin:34px 0 26px;max-width:800px}

/* ---------- Blocco chiusura ---------- */
.closing{padding-top:72px;padding-bottom:72px;text-align:center}
.closing h2{margin-bottom:12px}
.closing p{color:var(--ink-soft);max-width:52ch;margin:0 auto 26px}
.closing .cta-row{justify-content:center}

/* ---------- Pagine legali ---------- */
.legal{padding-top:56px;padding-bottom:72px}
.legal > *{max-width:var(--maxw-prose)}
.legal .meta{font-size:13.5px;color:var(--ink-faint);margin-bottom:36px}
.legal h1{font-size:clamp(30px,4vw,42px);margin-bottom:14px}
.legal h2{font-size:21px;margin:38px 0 12px;letter-spacing:-.015em}
.legal h3{font-size:16px;margin:24px 0 8px}
.legal p{margin-bottom:14px;color:var(--ink-soft)}
.legal ul,.legal ol{margin:0 0 16px 20px;color:var(--ink-soft)}
.legal li{margin-bottom:7px}
.legal strong{color:var(--ink);font-weight:600}
.legal a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.legal .box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;margin:22px 0;
}
.legal .box p:last-child{margin-bottom:0}

/* barra di ritorno al prodotto */
.crumb{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--ink-soft);margin:28px 0 0;
  transition:color .18s;
}
.crumb:hover{color:var(--ink)}

/* link legali in coda alla pagina prodotto */
.doclinks{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:var(--maxw-prose)}
.doclink{
  display:flex;flex-direction:column;gap:4px;
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  background:#fff;transition:border-color .18s,background .18s;
}
.doclink:hover{border-color:var(--line-strong);background:var(--surface)}
.doclink strong{font-size:15px;font-weight:600}
.doclink span{font-size:13.5px;color:var(--ink-soft)}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:44px 0 56px;margin-top:24px;
  font-size:14px;color:var(--ink-soft);
}
.site-footer .cols{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:36px;
}
.site-footer .about{max-width:34ch;color:var(--ink-soft);font-size:14px;margin-top:12px}
.site-footer h4{
  font-size:12px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:12px;
}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.site-footer a:hover{color:var(--ink)}
.site-footer .bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-faint);
}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid,.feat-grid{grid-template-columns:repeat(2,1fr)}
  .strip .wrap{grid-template-columns:1fr;gap:22px}
  .site-footer .cols{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer .brandcol{grid-column:1 / -1}
}
@media(max-width:900px){
  /* In colonna: prima l'immagine, poi il testo, senza alternanza. */
  .showcase{gap:72px}
  .row{grid-template-columns:1fr;gap:28px;justify-items:center;text-align:center}
  .row.flip .row-media{order:0}
  .row-text{max-width:52ch}
  .row-media.reveal,.row.flip .row-media.reveal{transform:translateY(22px)}
}
/* Sotto gli 820px la navigazione si chiude dentro il pulsante del menu:
   nessuna voce viene nascosta, ci stanno tutte nel pannello. */
@media(max-width:820px){
  .burger{display:grid}
  /* La navigazione esce dal flusso, quindi i comandi vanno spinti a destra da soli. */
  .head-right{margin-left:auto}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:6px 0 10px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 20px 42px -26px rgba(14,20,27,.45);
  }
  .nav.open{display:flex}
  .nav a{padding:13px 24px;font-size:15px}
  .nav a:hover{background:var(--surface);color:var(--ink)}
  .nav a.current{background:var(--accent-soft);color:var(--accent)}
}
@media(max-width:620px){
  .grid,.feat-grid,.doclinks{grid-template-columns:1fr}
  .hero{padding-top:56px;padding-bottom:40px}
  .section{padding-top:44px;padding-bottom:44px}
  .showcase{gap:56px}
  .shot-frame{max-width:250px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
  /* rete di sicurezza: mai lasciare invisibile un blocco in attesa di animazione */
  .reveal{opacity:1!important;transform:none!important}
}
