/* ===== Design tokens (griglia 8pt, coerenti con wiki/concetti) ===== */
:root{
  --color-navy-950:#050b1a;
  --color-navy-900:#0a1428;
  --color-navy-800:#0e1d3a;
  --color-navy-700:#152a4d;
  --color-gold-400:#cda856;
  --color-gold-300:#e0c07e;
  --color-silver-300:#c7ccd6;
  --color-silver-100:#eef0f4;
  --color-white:#f7f8fa;
  --color-logo-bg:#223148;   /* colore medio del bordo inferiore di logo.jpg */

  --space-1: 0.5rem;   /* 8px  */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */

  --font-display:"Oswald","Arial Narrow",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;

  --focus-ring: 0 0 0 3px var(--color-navy-950), 0 0 0 6px var(--color-gold-300);

  /* Palette chat (stile WhatsApp, per riconoscibilità immediata) */
  --wa-green:#25D366;
  --wa-green-dark:#128C7E;
  --wa-header:#075E54;
  --wa-bg:#E5DDD5;
  --wa-bubble-out:#DCF8C6;
  --wa-bubble-in:#FFFFFF;
  --wa-text:#111B21;
  --wa-text-muted:#667781;
  --wa-border:#D1D7DB;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(circle at 20% 15%, rgba(205,168,86,0.10), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(205,168,86,0.08), transparent 45%),
    linear-gradient(180deg, var(--color-navy-950) 0%, var(--color-navy-900) 100%);
  color:var(--color-silver-100);
  font-family:var(--font-body);
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}

/* ===== Skip link (accessibilità tastiera) ===== */
.skip-link{
  position:absolute;
  left:-999px;
  top:var(--space-2);
  background:var(--color-gold-400);
  color:var(--color-navy-950);
  padding:var(--space-1) var(--space-2);
  border-radius:4px;
  z-index:100;
  font-weight:600;
  text-decoration:none;
}
.skip-link:focus{ left:var(--space-2); }

/* ===== Solo per screen reader (etichette accessibili senza impatto visivo) ===== */
.visually-hidden{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

a:focus-visible,
button:focus-visible,
.site-header__mark:focus-visible{
  outline:none;
  box-shadow:var(--focus-ring);
  border-radius:4px;
}

/* ===== Mappa/rotte di sfondo, elemento firma ===== */
.route-field{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:0.5;
}
.route-field svg{ width:100%; height:100%; }
.route-field circle{
  fill:var(--color-gold-300);
  animation:pulse 3.6s ease-in-out infinite;
}
.route-field path{
  fill:none;
  stroke:var(--color-gold-400);
  stroke-width:1;
  stroke-dasharray:4 6;
  opacity:0.35;
}
@keyframes pulse{
  0%,100%{ opacity:.25; r:2.4; }
  50%{ opacity:.9; r:3.6; }
}

/* ===== Header ===== */
.site-header{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  padding:var(--space-4) var(--space-3) 0;
}
.site-header__mark{ display:inline-flex; }
.site-nav{
  display:flex;
  align-items:center;
  gap:var(--space-3);
}
@media (max-width:560px){
  .site-nav{
    flex-direction:column;
    align-items:flex-end;
    gap:0;
  }
}
.site-nav a{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.8rem;
  color:var(--color-gold-300);
  text-decoration:none;
  padding:.5rem .3rem;
}
.site-nav a:hover,
.site-nav a:focus-visible{ color:var(--color-gold-400); text-decoration:underline; }

/* ===== Main ===== */
main{
  position:relative;
  z-index:1;
  flex:1;
}

.hero{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:var(--space-4) var(--space-3) var(--space-6);
}

.hero__inner{
  max-width:56rem;
  width:100%;
  text-align:center;
}

.hero__brand{
  width:min(100%, 40rem);
  margin:0 auto var(--space-4);
  background:var(--color-logo-bg);
  filter:drop-shadow(0 12px 28px rgba(0,0,0,0.45));
}

.hero__logo{
  width:100%;
  height:auto;
  display:block;
}

.hero__title{
  font-family:var(--font-display);
  text-transform:uppercase;
  font-weight:600;
  letter-spacing:0.03em;
  line-height:1.15;
  font-size:clamp(1.25rem, 1.05rem + 1vw, 1.7rem);
  margin:0 0 var(--space-3);
  color:var(--color-white);
}
.hero__title em{
  font-style:normal;
  color:var(--color-gold-400);
}

.hero__lead{
  font-size:clamp(1rem, 0.92rem + 0.4vw, 1.15rem);
  line-height:1.6;
  color:var(--color-silver-300);
  max-width:38rem;
  margin:0 auto;
}

.hero__divider{
  border:none;
  border-top:1px solid rgba(205,168,86,0.35);
  max-width:20rem;
  margin:var(--space-6) auto;
}

/* ===== Fascia servizi sotto il logo — solo testo, stesso sfondo di logo.jpg ===== */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:var(--space-4);
  list-style:none;
  margin:0;
  padding:var(--space-1) var(--space-3) var(--space-4);
}

.service-card{
  min-width:0;
  text-align:center;
}

.service-card__label{
  font-family:var(--font-display);
  text-transform:uppercase;
  font-weight:600;
  letter-spacing:0.1em;
  font-size:clamp(0.7rem, 3.75vw - 0.05rem, 1.05rem);
  color:var(--color-silver-100);
}

/* Su iPhone/Android il font display ricade su un sans largo: le tre parole devono stare in colonne strette */
@media (max-width:640px){
  .service-grid{ gap:var(--space-1); padding-inline:var(--space-1); }
  .service-card__label{ letter-spacing:0.03em; }
}
@media (max-width:480px){
  .hero{ padding-left:var(--space-2); padding-right:var(--space-2); }
}

/* ===== Contatto — touch target 48px (vedi wiki/concetti/ux-euristiche-design-tokens) ===== */
.contact{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--space-1);
  min-height:3rem;      /* 48px */
  padding:0 var(--space-4);
  border:none;
  border-radius:999px;
  background:linear-gradient(135deg, var(--wa-green), var(--wa-green-dark));
  color:#fff;
  font-weight:600;
  font-family:inherit;
  text-decoration:none;
  font-size:0.95rem;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease;
}
.contact:hover{ transform:translateY(-1px); box-shadow:0 10px 24px rgba(37,211,102,0.35); }

/* ===== Slide della presentazione (formato verticale, pensato per smartphone) ===== */
.deck{
  --deck-navy:#081830;
  --deck-text:#F8FAFC;
  --deck-text-soft:#DDE7F0;
  --deck-text-muted:#A4B7CA;
  /* Riquadri: tinte della presentazione scurite quanto basta per il contrasto AA con il testo bianco */
  --tile-teal:#127D8B;
  --tile-orange:#B55723;
  --tile-green:#218158;
  --tile-purple:#7756B0;
  --tile-yellow:#ECB236;
  --tile-blue:#144882;

  font-family:"Aptos","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  max-width:40rem;
  margin:0 auto;
  padding:0 var(--space-3) var(--space-8);
  display:flex;
  flex-direction:column;
  gap:var(--space-4);
}

.slide--teal{ --acc:#18A6B8; --acc-text:#18A6B8; }
.slide--orange{ --acc:#EB712D; --acc-text:#EB712D; }
.slide--green{ --acc:#2AA571; --acc-text:#2AA571; }
.slide--purple{ --acc:#7756B0; --acc-text:#9075BF; }
.slide--yellow{ --acc:#ECB236; --acc-text:#ECB236; }

.slide{
  position:relative;
  background:var(--deck-navy);
  border:1px solid rgba(164,183,202,0.18);
  border-radius:14px;
  overflow:hidden;
  padding:calc(var(--space-3) + 6px) var(--space-3) var(--space-4);
  scroll-margin-top:var(--space-4);
  box-shadow:0 12px 30px rgba(0,0,0,0.35);
}
.slide::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background:var(--acc);
}

.slide__meta{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  margin:0 0 var(--space-1);
  font-weight:700;
}
.slide__num{
  color:var(--acc-text);
  font-size:clamp(.95rem, .81rem + .61vw, 1.1rem);
}
.slide__count{
  color:var(--deck-text-muted);
  font-size:clamp(.8rem, .7rem + .41vw, .9rem);
}

.slide__title{
  font-size:clamp(1.45rem, 1.12rem + 1.43vw, 1.8rem);
  font-weight:800;
  line-height:1.15;
  color:var(--deck-text);
  margin:0 0 .4rem;
}
.slide__subtitle{
  font-size:clamp(1rem, .81rem + .81vw, 1.2rem);
  line-height:1.35;
  color:var(--deck-text-soft);
  margin:0 0 var(--space-3);
}

.slide__tiles{
  list-style:none;
  margin:0 0 var(--space-4);
  padding:0;
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:.6rem;
}
.tile{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:4.25rem;
  padding:.6rem .5rem;
  border-radius:12px;
  background:var(--tile);
  color:var(--deck-text);
  text-align:center;
  font-weight:800;
  font-size:clamp(1.05rem, .81rem + 1.02vw, 1.3rem);
  line-height:1.2;
  hyphens:auto;
  overflow-wrap:break-word;
  box-shadow:0 2px 6px rgba(0,0,0,0.25);
}
.tile--teal{ --tile:var(--tile-teal); }
.tile--orange{ --tile:var(--tile-orange); }
.tile--green{ --tile:var(--tile-green); }
.tile--purple{ --tile:var(--tile-purple); }
.tile--blue{ --tile:var(--tile-blue); }
.tile--yellow{ --tile:var(--tile-yellow); color:var(--deck-navy); }

@media (max-width:480px){
  .deck{ padding-left:var(--space-2); padding-right:var(--space-2); }
  .slide{ padding-left:var(--space-2); padding-right:var(--space-2); }
  .tile{ padding-left:.4rem; padding-right:.4rem; }
}
@media (max-width:339px){
  .slide__tiles{ grid-template-columns:1fr; }
}

.slide__highlight{
  text-align:center;
  color:var(--acc-text);
  font-weight:800;
  font-size:clamp(1.05rem, .81rem + 1.02vw, 1.3rem);
  line-height:1.25;
  margin:0 0 .5rem;
}
.slide__caption{
  text-align:center;
  color:var(--deck-text-soft);
  font-size:clamp(1rem, .81rem + .81vw, 1.2rem);
  line-height:1.45;
  margin:0;
}

.chat-counter-line{
  text-align:center;
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--wa-text-muted);
  background:#fff;
  padding:.4rem var(--space-2);
  flex:0 0 auto;
  border-bottom:1px solid rgba(0,0,0,0.08);
}

/* ===== Pannello chat flottante (stile WhatsApp) ===== */
.chat-panel{
  position:fixed;
  right:var(--space-3);
  bottom:var(--space-3);
  z-index:50;
  width:min(92vw, 22rem);
  max-height:min(80vh, 34rem);
  display:flex;
  flex-direction:column;
  background:var(--wa-bg);
  border:1px solid rgba(0,0,0,0.15);
  border-radius:10px;
  box-shadow:0 20px 50px rgba(0,0,0,0.55);
  overflow:hidden;
}
.chat-panel[hidden]{ display:none; }

.chat-panel__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:var(--space-2) var(--space-3);
  background:var(--wa-header);
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.05em;
  font-size:.8rem;
  color:#fff;
  flex:0 0 auto;
}
.chat-panel__close{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:2rem;
  min-height:2rem;
  background:none;
  border:none;
  color:#fff;
  font-size:1.4rem;
  line-height:1;
  cursor:pointer;
  border-radius:4px;
  opacity:.85;
}
.chat-panel__close:hover{ opacity:1; }

.chat-book-link{
  display:block;
  text-align:center;
  flex:0 0 auto;
  padding:.5rem var(--space-2);
  background:var(--wa-green-dark);
  color:#fff;
  font-size:.78rem;
  font-weight:600;
  text-decoration:none;
  border-bottom:1px solid rgba(0,0,0,0.1);
}
.chat-book-link:hover,
.chat-book-link:focus-visible{
  background:var(--wa-header);
  text-decoration:underline;
}

.chat-panel .chat-form,
.chat-panel .chat-upsell,
.chat-panel .chat-disclaimer{
  margin-left:var(--space-2);
  margin-right:var(--space-2);
}
.chat-panel .chat-form{ margin-top:var(--space-2); margin-bottom:var(--space-2); }
.chat-panel .chat-upsell{ margin-bottom:var(--space-2); }
.chat-panel .chat-disclaimer{ margin-bottom:var(--space-2); }

.chat-log{
  display:flex;
  flex-direction:column;
  gap:.5rem;
  flex:1 1 auto;
  min-height:6rem;
  overflow-y:auto;
  padding:var(--space-2);
  margin:0;
  background:var(--wa-bg);
}

.chat-msg{
  max-width:92%;
  padding:.5rem .7rem;
  border-radius:8px;
  font-size:.82rem;
  line-height:1.45;
  white-space:pre-wrap;
  box-shadow:0 1px 1px rgba(0,0,0,0.12);
}
.chat-msg--user{
  align-self:flex-end;
  background:var(--wa-bubble-out);
  color:var(--wa-text);
  font-weight:500;
}
.chat-msg--assistant{
  align-self:flex-start;
  background:var(--wa-bubble-in);
  color:var(--wa-text);
}
.chat-msg--system{
  align-self:center;
  background:transparent;
  box-shadow:none;
  color:var(--wa-text-muted);
  font-size:.75rem;
  text-align:center;
  font-style:italic;
}

.chat-form{
  display:flex;
  gap:.5rem;
}
.chat-form[hidden]{ display:none; }
.chat-form__input{
  flex:1;
  min-width:0;
  min-height:2.75rem;
  padding:.5rem .7rem;
  border-radius:6px;
  border:1px solid var(--wa-border);
  background:#fff;
  color:var(--wa-text);
  font-family:var(--font-body);
  font-size:.85rem;
  resize:none;
}
.chat-form__input:focus-visible{
  outline:none;
  box-shadow:0 0 0 2px var(--wa-green);
}
.chat-form__send{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:2.75rem;
  min-height:2.75rem;
  padding:0 .8rem;
  border:none;
  border-radius:6px;
  background:var(--wa-green);
  color:#fff;
  font-weight:600;
  font-size:.85rem;
  cursor:pointer;
  transition:transform .15s ease, background-color .15s ease;
}
.chat-form__send:hover{ transform:translateY(-1px); background:var(--wa-green-dark); }
.chat-form__send:disabled{
  opacity:.5;
  cursor:not-allowed;
  transform:none;
}

.chat-upsell{
  text-align:center;
  padding:var(--space-2);
  background:#fff;
  border-radius:6px;
  border:1px solid var(--wa-border);
}
.chat-upsell p{
  font-size:.82rem;
  line-height:1.5;
  color:var(--wa-text);
  margin:0;
}

.chat-disclaimer{
  font-size:.68rem;
  line-height:1.4;
  color:var(--wa-text-muted);
  margin:var(--space-2) 0 0;
}

/* ===== Footer ===== */
.site-footer{
  position:relative;
  z-index:1;
  text-align:center;
  padding:var(--space-3);
  font-size:0.8rem;
  color:rgba(199,204,214,0.6);
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .route-field circle{ animation:none; }
  .contact{ transition:none; }
}