/* =========================================================
   PROVESUSTRUTTURE.IT — design tokens
   ========================================================= */
:root{
  --navy-900:#0A1640;
  --navy-800:#101E52;
  --blue-logo:#0000FE;
  --blue-700:#1230C4;
  --blue-600:#2A46D6;
  --orange-500:#FF8003;
  --orange-600:#DC6E00;
  --paper:#F4F6FB;
  --paper-alt:#EAEEF7;
  --ink:#12141C;
  --steel:#57616F;
  --steel-light:#8892A0;
  --line:#DCE1EA;
  --line-strong:#B9C1CE;
  --white:#FFFFFF;

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

  --container:1180px;
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
ul{margin:0;padding:0;}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

/* -------------------- eyebrow / mono labels -------------------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange-500);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--orange-500);
  display:inline-block;
}

/* -------------------- dimension-line divider (signature motif) -------------------- */
.dim-divider{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--steel-light);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  margin:0;
  user-select:none;
}
.dim-divider .tick{width:1px;height:9px;background:var(--line-strong);}
.dim-divider .rule{flex:1;height:1px;background:var(--line-strong);}
.dim-divider .label{white-space:nowrap;}

/* -------------------- buttons -------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.03em;
  padding:13px 22px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--orange-500);color:var(--navy-900);font-weight:600;}
.btn-primary:hover{background:var(--orange-600);}
.btn-outline{border-color:rgba(255,255,255,.35);color:var(--white);}
.btn-outline:hover{border-color:var(--white);background:rgba(255,255,255,.08);}
.btn-outline-dark{border-color:var(--line-strong);color:var(--ink);}
.btn-outline-dark:hover{border-color:var(--navy-900);background:var(--paper-alt);}
.btn-block{width:100%;justify-content:center;}

/* -------------------- header -------------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--navy-900);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  max-width:var(--container);
  margin:0 auto;
  gap:14px;
}
.logo-link{display:flex;align-items:center;flex-shrink:0;}
.logo-link img{height:32px;width:auto;}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav ul{display:flex;gap:15px;list-style:none;}
.main-nav a{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.02em;
  color:rgba(255,255,255,.78);
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.main-nav a:hover,.main-nav a.active{color:var(--white);border-color:var(--orange-500);}
.header-cta{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.header-phone{
  font-family:var(--font-mono);font-size:.8rem;color:var(--white);
  display:flex;align-items:center;gap:8px;
  white-space:nowrap;
}
.header-phone .dot{width:6px;height:6px;background:var(--orange-500);border-radius:50%;}
.nav-toggle{
  display:none;background:none;border:1px solid rgba(255,255,255,.3);color:var(--white);
  width:40px;height:36px;border-radius:var(--radius);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:1.5px;background:var(--white);position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}

@media (max-width:1100px){
  .main-nav{
    position:fixed;inset:58px 0 0 0;background:var(--navy-900);
    flex-direction:column;align-items:flex-start;padding:30px 28px;gap:24px;
    transform:translateX(100%);transition:transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;gap:18px;width:100%;}
  .main-nav a{font-size:1rem;display:block;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
}

/* -------------------- hero -------------------- */
.hero{
  background:
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 55%, #142868 100%);
  color:var(--white);
  position:relative;
  overflow:hidden;
  padding:96px 0 84px;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.65) 40%, transparent 92%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center;}
.hero-inner{position:relative;max-width:620px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:520px;object-fit:cover;
  border-radius:2px;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.12);
}
.hero-media::before{
  content:"";position:absolute;top:-14px;left:-14px;width:64px;height:64px;
  border-top:2px solid var(--orange-500);border-left:2px solid var(--orange-500);
  pointer-events:none;
}
.hero-media::after{
  content:"";position:absolute;bottom:-14px;right:-14px;width:64px;height:64px;
  border-bottom:2px solid var(--orange-500);border-right:2px solid var(--orange-500);
  pointer-events:none;
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-media img{height:280px;}
  .hero-inner{max-width:none;}
}
.hero h1{
  font-size:clamp(2.1rem, 4.4vw, 3.4rem);
  color:var(--white);
  margin-bottom:22px;
}
.hero .lede{
  font-size:1.12rem;
  color:rgba(255,255,255,.82);
  max-width:600px;
  margin-bottom:34px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px;}
.hero-stamp-row{
  display:flex;gap:0;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:22px;
}
.stamp{
  padding:0 26px 0 0;margin-right:26px;
  border-right:1px solid rgba(255,255,255,.18);
}
.stamp:last-child{border-right:none;}
.stamp .code{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;color:var(--orange-500);display:block;margin-bottom:4px;}
.stamp .val{font-family:var(--font-display);font-size:.95rem;color:var(--white);font-weight:600;}

/* -------------------- section basics -------------------- */
section{padding:88px 0;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);color:var(--navy-900);}
.section-head p{color:var(--steel);font-size:1.05rem;}
.bg-alt{background:var(--paper-alt);}
.bg-navy{background:var(--navy-900);color:var(--white);}
.bg-navy .section-head h2{color:var(--white);}
.bg-navy .section-head p{color:rgba(255,255,255,.72);}

/* -------------------- service pillar cards -------------------- */
.pillars{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.pillar{
  background:var(--white);
  padding:38px 32px 32px;
  position:relative;
}
.pillar::before{
  content:"";position:absolute;top:0;left:0;width:14px;height:14px;
  border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);
}
.pillar::after{
  content:"";position:absolute;bottom:0;right:0;width:14px;height:14px;
  border-bottom:1px solid var(--line-strong);border-right:1px solid var(--line-strong);
}
.pillar .code{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;
  color:var(--orange-600);display:block;margin-bottom:16px;
}
.pillar h3{font-size:1.28rem;color:var(--navy-900);margin-bottom:10px;}
.pillar p{color:var(--steel);font-size:.96rem;margin-bottom:22px;}
.pillar-link{
  font-family:var(--font-mono);font-size:.82rem;color:var(--blue-700);
  display:inline-flex;align-items:center;gap:6px;
}
.pillar-link::after{content:"→";transition:transform .15s ease;}
.pillar:hover .pillar-link::after{transform:translateX(3px);}

@media (max-width:860px){
  .pillars{grid-template-columns:1fr;}
}

/* -------------------- trust bar -------------------- */
.trust-bar{
  background:var(--white);
  border-bottom:1px solid var(--line);
  border-top:1px solid var(--line);
}
.trust-inner{
  display:flex;flex-wrap:wrap;gap:0;
}
.trust-item{
  flex:1;min-width:240px;
  padding:24px 30px;
  border-right:1px solid var(--line);
  display:flex;gap:14px;align-items:flex-start;
}
.trust-item:last-child{border-right:none;}
.trust-item .num{
  font-family:var(--font-mono);color:var(--orange-600);font-size:.95rem;font-weight:600;
  flex-shrink:0;
}
.trust-item .txt{font-size:.86rem;color:var(--steel);line-height:1.45;}
.trust-item strong{color:var(--navy-900);display:block;font-size:.92rem;margin-bottom:2px;}

/* -------------------- test/prova cards (list) -------------------- */
.test-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;
}
.test-card{
  background:var(--white);
  border:1px solid var(--line);
  padding:24px 24px 22px;
  position:relative;
}
.scheda-link{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:.78rem;color:var(--blue-700);
  margin-top:14px;margin-right:16px;
}
.scheda-link::before{content:"📄";font-size:.85em;}
.scheda-link:hover{text-decoration:underline;}
.test-card .po{
  font-family:var(--font-mono);font-size:.72rem;color:var(--steel-light);
  letter-spacing:.06em;display:block;margin-bottom:10px;
}
.test-card h4{font-size:1.02rem;color:var(--navy-900);margin-bottom:8px;font-family:var(--font-body);font-weight:600;}
.test-card p{font-size:.89rem;color:var(--steel);margin-bottom:0;}

/* -------------------- category intro block -------------------- */
.cat-hero{
  background:var(--navy-900);color:var(--white);
  padding:64px 0 54px;
  position:relative;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.6) 45%, transparent 100%);
}
.cat-hero-inner{position:relative;max-width:720px;}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:1.3fr .9fr;gap:48px;align-items:center;}
.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;height:320px;object-fit:cover;border-radius:2px;
  box-shadow:0 20px 50px rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.12);
}
.cat-hero-media::before{
  content:"";position:absolute;top:-12px;left:-12px;width:52px;height:52px;
  border-top:2px solid var(--orange-500);border-left:2px solid var(--orange-500);pointer-events:none;
}
.cat-hero-media::after{
  content:"";position:absolute;bottom:-12px;right:-12px;width:52px;height:52px;
  border-bottom:2px solid var(--orange-500);border-right:2px solid var(--orange-500);pointer-events:none;
}
@media (max-width:860px){
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
  .cat-hero-media{order:-1;}
  .cat-hero-media img{height:220px;}
}
.cat-hero .code-big{
  font-family:var(--font-mono);font-size:.85rem;color:var(--orange-500);letter-spacing:.14em;
  display:block;margin-bottom:16px;
}
.cat-hero h1{color:var(--white);font-size:clamp(1.9rem,3.6vw,2.7rem);}
.cat-hero p{color:rgba(255,255,255,.78);font-size:1.05rem;max-width:620px;}
.cat-nav{
  display:flex;gap:0;margin-top:34px;border-top:1px solid rgba(255,255,255,.16);padding-top:18px;flex-wrap:wrap;
}
.cat-nav a{
  font-family:var(--font-mono);font-size:.78rem;color:rgba(255,255,255,.55);
  padding:6px 18px 6px 0;margin-right:18px;border-right:1px solid rgba(255,255,255,.16);
}
.cat-nav a:last-child{border-right:none;}
.cat-nav a.active,.cat-nav a:hover{color:var(--orange-500);}

/* -------------------- chi siamo / mission blocks -------------------- */
.two-col{
  display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start;
}
@media (max-width:860px){.two-col{grid-template-columns:1fr;gap:36px;}}
.prose p{color:var(--ink);font-size:1.02rem;line-height:1.75;}
.prose p:last-child{margin-bottom:0;}
.side-card{
  background:var(--white);border:1px solid var(--line);padding:28px;
}
.side-card + .side-card{margin-top:16px;}
.side-card .eyebrow{margin-bottom:10px;}
.side-card h3{font-size:1.1rem;color:var(--navy-900);margin-bottom:10px;}
.side-card p{color:var(--steel);font-size:.92rem;margin-bottom:0;}

.claim-line{
  font-family:var(--font-display);
  font-size:clamp(1.3rem,2.4vw,1.7rem);
  color:var(--navy-900);
  border-left:3px solid var(--orange-500);
  padding-left:22px;
  margin:42px 0;
  font-weight:600;
}

/* -------------------- timeline / process -------------------- */
.process{
  display:flex;flex-direction:column;
}
.process-step{
  display:grid;grid-template-columns:70px 1fr;gap:24px;
  padding:26px 0;border-top:1px solid var(--line);
}
.process-step:last-child{border-bottom:1px solid var(--line);}
.process-step .step-num{font-family:var(--font-mono);color:var(--orange-600);font-size:.9rem;}
.process-step h4{font-size:1.04rem;color:var(--navy-900);margin-bottom:6px;}
.process-step p{color:var(--steel);font-size:.92rem;margin-bottom:0;}

/* -------------------- contact -------------------- */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.contact-block{background:var(--white);padding:34px 32px;}
.contact-block h3{font-size:1.05rem;color:var(--navy-900);margin-bottom:16px;}
.contact-row{display:flex;gap:14px;margin-bottom:16px;font-size:.94rem;}
.contact-row:last-child{margin-bottom:0;}
.contact-row .k{font-family:var(--font-mono);font-size:.72rem;color:var(--steel-light);letter-spacing:.06em;min-width:90px;padding-top:2px;}
.contact-row .v{color:var(--ink);}
.contact-row a.v{color:var(--blue-700);}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}

/* -------------------- footer -------------------- */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:64px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--orange-500);margin-bottom:16px;
}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{font-size:.88rem;color:rgba(255,255,255,.72);}
.footer-grid a:hover{color:var(--white);}
.footer-grid p{font-size:.88rem;color:rgba(255,255,255,.65);}
.footer-logo{height:24px;width:auto;margin-bottom:16px;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:24px;font-family:var(--font-mono);font-size:.74rem;color:rgba(255,255,255,.5);
}
.visitor-counter{
  font-family:var(--font-mono);font-size:.74rem;color:rgba(255,255,255,.5);
  display:flex;align-items:center;gap:6px;
}
.visitor-counter .dot{width:5px;height:5px;background:var(--orange-500);border-radius:50%;}

/* -------------------- misc -------------------- */
.badge-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.badge{
  font-family:var(--font-mono);font-size:.74rem;color:var(--navy-900);
  background:var(--paper-alt);border:1px solid var(--line);
  padding:6px 12px;letter-spacing:.03em;
}

.cta-strip{
  background:var(--orange-500);color:var(--navy-900);padding:52px 0;
}
.cta-strip-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;}
.cta-strip h2{color:var(--navy-900);font-size:1.6rem;margin-bottom:6px;}
.cta-strip p{color:rgba(10,22,64,.75);margin-bottom:0;}

.map-embed{border:1px solid var(--line);height:340px;width:100%;filter:grayscale(.15);}

/* -------------------- certification badge (footer) -------------------- */
.cert-badge-row{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:28px 0;border-bottom:1px solid rgba(255,255,255,.12);
  margin-bottom:28px;
}
.cert-badge-row .cert-label{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,255,255,.5);margin-right:4px;
}
.cert-badge{
  background:var(--white);border-radius:6px;padding:8px 14px;
  display:flex;align-items:center;
}
.cert-badge img{height:36px;width:auto;display:block;}

/* -------------------- whatsapp floating button -------------------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:200;
  display:flex;align-items:center;gap:10px;
  background:#25D366;color:#fff;
  padding:14px 20px 14px 16px;
  border-radius:999px;
  box-shadow:0 8px 24px rgba(10,22,64,.28);
  font-family:var(--font-mono);font-size:.82rem;font-weight:600;
  transition:transform .15s ease, box-shadow .15s ease;
}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(10,22,64,.34);}
.wa-float svg{width:22px;height:22px;flex-shrink:0;}
@media (max-width:560px){
  .wa-float{padding:13px;border-radius:50%;}
  .wa-float .wa-label{display:none;}
}

/* -------------------- Q&A page -------------------- */
.qa-form{
  background:var(--white);border:1px solid var(--line);padding:32px;
}
.qa-form label{
  display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;
  color:var(--steel);margin-bottom:6px;text-transform:uppercase;
}
.qa-form input,.qa-form textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line-strong);border-radius:var(--radius);
  font-family:var(--font-body);font-size:.94rem;color:var(--ink);margin-bottom:18px;background:var(--paper);
}
.qa-form input:focus,.qa-form textarea:focus{outline:2px solid var(--blue-600);outline-offset:1px;}
.qa-form textarea{min-height:120px;resize:vertical;}

.qa-item{
  background:var(--white);border:1px solid var(--line);padding:26px 28px;margin-bottom:16px;
}
.qa-item .q{
  font-family:var(--font-display);font-weight:600;color:var(--navy-900);font-size:1.02rem;margin-bottom:10px;
  display:flex;gap:10px;
}
.qa-item .q::before{content:"D";flex-shrink:0;width:24px;height:24px;background:var(--orange-500);color:var(--navy-900);border-radius:50%;font-family:var(--font-mono);font-size:.75rem;display:flex;align-items:center;justify-content:center;font-weight:700;}
.qa-item .a{
  color:var(--steel);font-size:.94rem;line-height:1.65;display:flex;gap:10px;
}
.qa-item .a::before{content:"R";flex-shrink:0;width:24px;height:24px;background:var(--navy-900);color:var(--white);border-radius:50%;font-family:var(--font-mono);font-size:.75rem;display:flex;align-items:center;justify-content:center;font-weight:700;}
.qa-item .a-text{padding-top:2px;}
.qa-meta{
  font-family:var(--font-mono);font-size:.7rem;color:var(--steel-light);margin-top:14px;margin-left:34px;
}