/* ============================================================
   TIRRENA SISTEMI — Design tokens
   Palette derivata dal logo: Ink Navy + Signal Orange
   ============================================================ */

:root{
  --ink:        #00007E;   /* navy di brand */
  --ink-deep:   #050318;   /* quasi nero, per campiture profonde */
  --signal:     #FF5500;   /* arancio di brand */
  --signal-soft:#FF8A4C;   /* arancio chiaro, per hover/tint */
  --paper:      #F5F5F7;   /* fondo chiaro, leggermente freddo */
  --paper-raised:#FFFFFF;
  --slate:      #5B5F79;   /* testo secondario */
  --mist:       #E2E3EC;   /* linee/hairline su fondo chiaro */
  --mist-deep:  #1C1B3A;   /* linee su fondo scuro */

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:    'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --maxw: 1180px;
  --radius: 2px; /* il brand è angolare, non arrotondato */
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-deep);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.05;
  margin:0 0 .4em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem, 5.4vw, 4.6rem); }
h2{ font-size:clamp(1.7rem, 3vw, 2.6rem); }
h3{ font-size:1.2rem; }
p{ margin:0 0 1em; }
.lede{ font-size:1.2rem; color:var(--slate); max-width:52ch; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--signal);
  display:inline-block;
}

/* ---------- bottoni ---------- */
.btn{
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  padding:.9em 1.6em;
  border:none;
  border-radius:var(--radius);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:.6em;
  text-decoration:none;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{
  background:var(--signal);
  color:#fff;
  clip-path:polygon(0 0, 100% 0, 94% 100%, 0% 100%);
  padding-right:2em;
}
.btn-primary:hover{ background:#E64A00; transform:translateY(-1px); }
.btn-ghost{
  background:transparent;
  border:1.5px solid var(--mist-deep);
  color:inherit;
}
.btn-ghost:hover{ border-color:var(--signal); color:var(--signal); }
.btn-ghost.on-dark{ border-color:rgba(255,255,255,.35); color:#fff; }
.btn-ghost.on-dark:hover{ border-color:var(--signal-soft); color:var(--signal-soft); }

/* ---------- header ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(245,245,247,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mist);
}
header.site .bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 32px;
  max-width:var(--maxw); margin:0 auto;
}
header.site img.logo{ height:48px; }
nav.main{ display:flex; align-items:center; gap:2em; }
nav.main a{
  text-decoration:none; font-size:.92rem; font-weight:600; color:var(--ink-deep);
  position:relative;
}
nav.main a:not(.btn)::after{
  content:""; position:absolute; left:0; bottom:-6px; width:0; height:2px; background:var(--signal);
  transition:width .2s ease;
}
nav.main a:not(.btn):hover::after{ width:100%; }
.nav-links{ display:flex; gap:2em; align-items:center; }
.burger{ display:none; }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  background:var(--ink-deep);
  color:#fff;
  overflow:hidden;
  padding:96px 0 120px;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero .countdown{
  font-family:var(--font-mono);
  font-size:.85rem;
  color:var(--signal-soft);
  border:1px solid rgba(255,138,76,.4);
  padding:.5em .9em;
  display:inline-block;
  margin-bottom:1.4em;
  letter-spacing:.03em;
}
.hero h1{ color:#fff; }
.hero h1 em{ font-style:normal; color:var(--signal); }
.hero .lede{ color:#C7C8DA; }
.hero-ctas{ display:flex; gap:1em; margin-top:2em; flex-wrap:wrap; }
.hero-fold{ position:relative; height:420px; }

/* ---------- sezioni generiche ---------- */
section{ padding:100px 0; position:relative; }
section.tight{ padding:72px 0; }
.section-head{ max-width:640px; margin:0 0 3.2em; }
.on-paper-raised{ background:var(--paper-raised); }
.on-ink{ background:var(--ink); color:#fff; }
.on-ink .slate-on-ink{ color:#B9BAD6; }
.on-ink-deep{ background:var(--ink-deep); color:#fff; }

/* fold divider: bordo a taglio angolare che richiama il logo */
.fold-top{ clip-path:polygon(0 3.5vw, 100% 0, 100% 100%, 0 100%); margin-top:-3.5vw; }
.fold-bottom-cut{ clip-path:polygon(0 0, 100% 0, 100% calc(100% - 3.5vw), 0 100%); padding-bottom:calc(100px + 3.5vw); }

/* ---------- stat cards ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--mist-deep);
  border:1px solid var(--mist-deep);
}
.stat-card{
  background:var(--ink-deep);
  padding:2.4em 2em;
}
.stat-num{
  font-family:var(--font-mono);
  font-size:2.6rem;
  color:var(--signal);
  display:block;
  margin-bottom:.2em;
}
.stat-label{ color:#C7C8DA; font-size:.95rem; }

/* ---------- confronto normativo ---------- */
.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--mist);
  border:1px solid var(--mist);
}
.compare .col{ background:var(--paper-raised); padding:2.4em; }
.compare .col h3{ font-family:var(--font-mono); text-transform:uppercase; font-size:.95rem; letter-spacing:.06em; }
.compare .col.gdpr h3{ color:var(--ink); }
.compare .col.nis2 h3{ color:var(--signal); }
.compare ul{ list-style:none; margin:1.2em 0 0; padding:0; }
.compare li{
  padding:.7em 0; border-top:1px solid var(--mist);
  font-size:.96rem; color:var(--slate);
}
.compare li:first-of-type{ border-top:none; }
.compare li b{ color:var(--ink-deep); font-weight:600; }

/* ---------- rischi ---------- */
.risk-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.6em; margin-top:2.4em; }
.risk-item{
  border-left:3px solid var(--signal);
  padding:1.2em 1.6em;
  background:var(--paper-raised);
}
.risk-item h3{ margin-bottom:.3em; font-size:1.05rem; }
.risk-item p{ color:var(--slate); font-size:.95rem; margin:0; }

/* ---------- processo servizi ---------- */
.process{ counter-reset:step; margin-top:3em; }
.process-item{
  display:grid; grid-template-columns:110px 1fr; gap:2em;
  padding:2.4em 0; border-top:1px solid var(--mist-deep);
}
.process-item:last-child{ border-bottom:1px solid var(--mist-deep); }
.process-num{
  counter-increment:step;
  font-family:var(--font-mono); font-size:.85rem; color:var(--signal-soft);
}
.process-num::before{ content:"0" counter(step); font-size:2.4rem; color:var(--signal); display:block; font-family:var(--font-mono); }
.process-item h3{ color:#fff; margin-bottom:.4em; }
.process-item p{ color:#B9BAD6; margin:0; max-width:60ch; }
.process-item .tags{ margin-top:.9em; display:flex; gap:.6em; flex-wrap:wrap; }
.process-item .tags span{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.04em;
  border:1px solid rgba(255,255,255,.25); color:#C7C8DA;
  padding:.3em .7em;
}

/* ---------- pillars servizi (index) ---------- */
.pillars{ display:grid; grid-template-columns:1fr 1fr; gap:1.6em; margin-top:2.4em; }
.pillar{
  background:var(--paper-raised);
  border:1px solid var(--mist);
  padding:2.6em;
  position:relative;
}
.pillar .eyebrow{ margin-bottom:.6em; }
.pillar ul{ margin:1.2em 0 0; padding-left:1.1em; color:var(--slate); font-size:.95rem; }
.pillar li{ margin-bottom:.5em; }

/* ---------- approfondimento poliambulatori (card CTA) ---------- */
.deep-dive{
  background:var(--ink);
  color:#fff;
  padding:3em;
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:2em;
  align-items:center;
  clip-path:polygon(0 0, 100% 0, 100% 100%, 2.4% 100%);
}
.deep-dive .mark{ width:56px; }
.deep-dive h3{ color:#fff; margin-bottom:.3em; }
.deep-dive p{ color:#C7C8DA; margin:0; }

/* ---------- form contatti ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:3.2em; }
.contact-info .item{ margin-bottom:1.6em; }
.contact-info .item .label{ font-family:var(--font-mono); font-size:.78rem; color:var(--signal); text-transform:uppercase; letter-spacing:.08em; }
.contact-info .item .value{ font-size:1.15rem; font-weight:600; }
form.audit{ display:grid; gap:1em; }
form.audit .row2{ display:grid; grid-template-columns:1fr 1fr; gap:1em; }
form.audit label{ font-size:.82rem; font-weight:600; display:block; margin-bottom:.4em; color:var(--slate); }
form.audit input, form.audit select, form.audit textarea{
  width:100%; padding:.85em 1em; border:1.5px solid var(--mist); background:var(--paper-raised);
  font-family:var(--font-body); font-size:.95rem; border-radius:var(--radius);
}
form.audit input:focus, form.audit select:focus, form.audit textarea:focus{
  outline:2px solid var(--signal); outline-offset:1px; border-color:var(--signal);
}
form.audit textarea{ min-height:110px; resize:vertical; }
form.audit .btn{ justify-self:start; margin-top:.4em; }
.form-note{ font-size:.82rem; color:var(--slate); margin-top:.8em; }

/* honeypot: off-screen, MAI display:none (i bot lo riconoscono) */
.hp-field{
  position:absolute;
  left:-9999px;
  top:-9999px;
  width:1px; height:1px;
  overflow:hidden;
}

.captcha-row{ display:flex; align-items:flex-end; gap:1em; }
.captcha-row .captcha-question{
  font-family:var(--font-mono);
  font-size:1rem;
  padding:.85em 1em;
  background:var(--mist);
  border:1.5px solid var(--mist);
  white-space:nowrap;
}
.captcha-row input{ max-width:110px; }
.form-status{ font-size:.88rem; margin-top:.6em; min-height:1.2em; }
.form-status.ok{ color:#1B7A3D; }
.form-status.err{ color:var(--signal); }

/* ---------- disclaimer responsabilità ---------- */
.scope-note{
  border-left:3px solid var(--ink);
  background:var(--paper);
  padding:1.6em 2em;
  margin-bottom:3em;
  font-size:.92rem;
  color:var(--slate);
  max-width:74ch;
}
.scope-note b{ color:var(--ink-deep); }

/* ---------- footer ---------- */
footer.site{ background:var(--ink-deep); color:#B9BAD6; padding:64px 0 32px; }
footer.site .top{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.4em; padding-bottom:2.4em; border-bottom:1px solid var(--mist-deep); }
footer.site img.logo{ height:34px; margin-bottom:1em; }
footer.site h4{ font-family:var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; color:#fff; margin-bottom:1em; }
footer.site ul{ list-style:none; padding:0; margin:0; }
footer.site li{ margin-bottom:.7em; font-size:.92rem; }
footer.site a{ text-decoration:none; }
footer.site a:hover{ color:var(--signal-soft); }
.bottom-bar{ display:flex; justify-content:space-between; padding-top:1.6em; font-size:.8rem; color:#6F7391; flex-wrap:wrap; gap:.6em; }

/* ---------- utility reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-fold{ height:260px; order:-1; }
  .stat-grid, .pillars, .risk-list, .compare, .contact-grid{ grid-template-columns:1fr; }
  .process-item{ grid-template-columns:1fr; gap:.6em; }
  footer.site .top{ grid-template-columns:1fr; }
  .deep-dive{ grid-template-columns:1fr; text-align:left; clip-path:none; }
  nav.main{ display:none; }
}