/* SicParviStudio — foglio di stile condiviso */

: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)}

*{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);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:64px;
}
.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}

/* ---------- Interruttore di lingua ---------- */
/* La lingua attiva e' un <b>, l'altra un link: si vede subito dove si e'. */
.langsw{
  display:inline-flex;align-items:center;flex:none;
  border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;
}
.langsw b,.langsw a{padding:6px 9px;display:block}
.langsw b{background:var(--accent);color:#fff}
.langsw a{color:var(--ink-soft);background:#fff;transition:background .18s,color .18s}
.langsw a: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 ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);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}

/* ---------- Le due modalita' di KAI ---------- */
.split{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mode{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;background:#fff;border-top-width:3px;
}
.mode h3{margin-bottom:8px}
.mode p{font-size:14.5px;color:var(--ink-soft)}
.mode.m-gym{border-top-color:var(--gym);background:linear-gradient(var(--gym-soft),transparent 120px)}
.mode.m-hiit{border-top-color:var(--hiit);background:linear-gradient(var(--hiit-soft),transparent 120px)}
.mode.m-gym h3{color:var(--gym)}
.mode.m-hiit h3{color:var(--hiit)}

/* ---------- Galleria degli screenshot ---------- */
/* Scorre in orizzontale dentro il proprio contenitore: la pagina non slitta mai. */
.shots{
  display:flex;gap:18px;overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;padding-bottom:14px;margin:0 -24px;
  padding-left:24px;padding-right:24px;
  scrollbar-width:thin;
}
.shot{flex:0 0 236px;scroll-snap-align:start;margin:0}
/* Il riquadro nasconde la status bar della cattura (i primi 99px dei 1391). */
.shot-frame{
  overflow:hidden;border:1px solid var(--line);border-radius:18px;
  background:var(--surface-2);aspect-ratio:640/1292;
}
.shot-frame img{width:100%;height:auto;display:block;margin-top:-15.42%}
.shot figcaption{
  font-size:13.5px;color:var(--ink-soft);margin-top:12px;line-height:1.45;
}

/* ---------- Gratis / PRO ---------- */
.tier{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;max-width:var(--maxw-prose);
}
.tier ul{margin:0 0 16px 20px;color:var(--ink-soft);font-size:14.5px}
.tier li{margin-bottom:8px}
.tier .tier-note{font-size:13.5px;color:var(--ink-faint);margin:0}

/* ---------- 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){
  .split{grid-template-columns:1fr}
}
@media(max-width:620px){
  .grid,.feat-grid,.doclinks{grid-template-columns:1fr}
  .nav{gap:16px;font-size:13.5px}
  .nav .hide-sm,.nav .hide-xs{display:none}
  .hero{padding-top:56px;padding-bottom:40px}
  .section{padding-top:44px;padding-bottom:44px}
  .shot{flex-basis:200px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}
