/* =========================================================
   CHI SIAMO · Azienda
   Design system: eredita home.css + prodotto.css (navy + cyan)
   Namespace: .cs-*  (chi-siamo)
   ========================================================= */

/* ---------- HERO (sobrio, testuale) ---------- */
.cs-hero{
  position:relative;
  padding:clamp(80px,9vw,128px) 0 clamp(44px,5vw,72px);
  border-bottom:1px solid var(--bd-2);
  overflow:hidden;
}
.cs-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 15% 10%, rgba(0,180,216,.10), transparent 60%),
    radial-gradient(1000px 520px at 90% 40%, rgba(0,119,182,.08), transparent 70%);
  pointer-events:none;
}
.cs-hero .wrap{position:relative;z-index:1}

.cs-hero-grid{
  display:grid;grid-template-columns:1.55fr .8fr;gap:clamp(32px,5vw,80px);
  align-items:end;margin-top:24px;
}
.cs-hero-grid h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(34px,4.6vw,60px);line-height:1.06;
  letter-spacing:-.02em;margin:10px 0 16px;
  max-width:22ch;
}
.cs-hero-grid h1 em{
  font-style:normal;
  background:var(--grad-accent);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cs-hero-grid .lead{max-width:60ch;margin-bottom:22px}

.cs-hero-chips{
  display:flex;gap:10px;flex-wrap:wrap;
  padding-top:18px;border-top:1px solid var(--bd-2);margin-top:8px;
}

/* wordmark laterale */
.cs-hero-side{
  position:relative;text-align:right;
  font-family:var(--serif);color:var(--muted-3);
  padding-right:4px;
}
.cs-hero-side .glyph{
  display:block;font-size:clamp(88px,10vw,148px);line-height:.9;
  background:linear-gradient(180deg, rgba(0,180,216,.32), rgba(0,119,182,.04));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:500;letter-spacing:-.03em;
}
.cs-hero-side .gl-sub{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;margin-top:8px;line-height:1.6;
}
@media (max-width:900px){
  .cs-hero-grid{grid-template-columns:1fr;gap:32px}
  .cs-hero-side{text-align:left}
}

/* ---------- SECTION SCAFFOLD ---------- */
.cs-sec{
  position:relative;
  padding:clamp(56px,7vw,104px) 0;
  border-bottom:1px solid var(--bd-2);
}
.cs-sec:nth-of-type(even)::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 320px at 80% 0%, rgba(0,180,216,.05), transparent 70%);
  pointer-events:none;
}
.cs-sec .wrap{position:relative;z-index:1}

.cs-sec-head{
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:clamp(24px,4vw,72px);
  align-items:end;
  margin-bottom:clamp(32px,4vw,56px);
  padding-bottom:24px;border-bottom:1px solid var(--bd-2);
}
@media (max-width:900px){
  .cs-sec-head{grid-template-columns:1fr;gap:18px}
}

.cs-sn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--cyan-400);text-transform:uppercase;margin-bottom:12px;
}
.cs-sn::before{
  content:"";width:24px;height:1px;background:currentColor;opacity:.6;
}

.cs-sec h2{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(26px,3vw,40px);line-height:1.12;letter-spacing:-.018em;
  max-width:22ch;
}
.cs-sec-head .lead{max-width:56ch;align-self:end}

/* ---------- 01 · SPECIALIZZAZIONE · 4 pillars ---------- */
.cs-pillars{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
@media (max-width:1000px){.cs-pillars{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.cs-pillars{grid-template-columns:1fr}}

.cs-pillar{
  position:relative;
  padding:26px 22px 24px;
  background:linear-gradient(180deg, rgba(16,24,39,.55), rgba(16,24,39,.22));
  border:1px solid var(--bd);border-radius:var(--radius);
  display:flex;flex-direction:column;gap:12px;
  transition:border-color .2s, transform .2s, box-shadow .2s;
  min-height:220px;
}
.cs-pillar:hover{
  border-color:rgba(0,180,216,.28);
  transform:translateY(-2px);
  box-shadow:0 20px 40px -24px rgba(0,180,216,.25);
}
.cs-pillar .num{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;
  display:flex;align-items:center;justify-content:space-between;
}
.cs-pillar .num .badge{
  color:var(--cyan-400);border:1px solid rgba(0,180,216,.25);
  padding:2px 7px;border-radius:2px;background:rgba(0,180,216,.06);
  font-size:9.5px;letter-spacing:.1em;
}
.cs-pillar h3{
  font-family:var(--sans);font-size:16.5px;font-weight:600;
  margin:0;letter-spacing:-.005em;color:var(--ink);
}
.cs-pillar p{
  font-size:13.5px;line-height:1.6;color:var(--ink-2);margin:0;
}
.cs-pillar .hairline{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--bd-2);
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  color:var(--muted);text-transform:uppercase;
}

/* ---------- 02 · APPROCCIO · 4 principi numerati ---------- */
.cs-approach{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
@media (max-width:780px){.cs-approach{grid-template-columns:1fr}}

.cs-appr{
  position:relative;
  padding:26px 26px 24px;
  background:linear-gradient(180deg, rgba(16,24,39,.5), rgba(16,24,39,.2));
  border:1px solid var(--bd);border-radius:var(--radius);
  display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;
  transition:border-color .2s;
}
.cs-appr:hover{border-color:rgba(0,180,216,.22)}

.cs-appr .n{
  font-family:var(--serif);font-size:34px;font-weight:500;
  color:var(--cyan-400);line-height:1;letter-spacing:-.02em;
  background:linear-gradient(135deg, rgba(0,180,216,.14), rgba(0,119,182,.04));
  border:1px solid rgba(0,180,216,.22);border-radius:3px;
  width:56px;height:56px;flex:none;
  display:flex;align-items:center;justify-content:center;
}
.cs-appr h3{
  font-family:var(--sans);font-size:15.5px;font-weight:600;
  margin:4px 0 8px;letter-spacing:-.005em;color:var(--ink);
}
.cs-appr p{font-size:13.5px;line-height:1.6;color:var(--ink-2);margin:0}

/* ---------- 03 · CLIENTI · tabella ---------- */
.cs-clients-note{
  margin-bottom:28px;padding:18px 20px;
  background:rgba(0,180,216,.04);
  border:1px solid rgba(0,180,216,.18);
  border-left:3px solid var(--cyan-500);
  border-radius:3px;
  font-size:13.5px;line-height:1.6;color:var(--ink-2);
  display:flex;gap:14px;align-items:flex-start;
}
.cs-clients-note svg{color:var(--cyan-400);flex:none;margin-top:2px}
.cs-clients-note strong{color:var(--ink);font-weight:600}

.cs-clients{
  border:1px solid var(--bd);border-radius:var(--radius);
  overflow:hidden;
  background:linear-gradient(180deg, rgba(16,24,39,.55), rgba(16,24,39,.25));
}
.cs-cli-row{
  display:grid;grid-template-columns:200px 1fr;gap:0;
  border-bottom:1px solid var(--bd-2);
  transition:background .2s;
}
.cs-cli-row:last-child{border-bottom:0}
.cs-cli-row:hover{background:rgba(0,180,216,.03)}

.cs-cli-k{
  padding:22px 24px;
  border-right:1px solid var(--bd-2);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  color:var(--cyan-400);text-transform:uppercase;
  display:flex;flex-direction:column;gap:4px;
  background:rgba(6,11,22,.35);
}
.cs-cli-k .typ{color:var(--muted);font-size:9.5px;letter-spacing:.14em}
.cs-cli-v{
  padding:22px 24px;
  font-size:14px;line-height:1.6;color:var(--ink-2);
}
.cs-cli-v strong{color:var(--ink);font-weight:600;display:block;margin-bottom:4px;font-size:15px}
@media (max-width:720px){
  .cs-cli-row{grid-template-columns:1fr}
  .cs-cli-k{border-right:0;border-bottom:1px dashed var(--bd-2);padding:14px 20px}
}

/* ---------- 04 · TECNOLOGIE · gruppi di chip ---------- */
.cs-tech-intro{
  margin-bottom:32px;
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;
}
@media (max-width:820px){.cs-tech-intro{grid-template-columns:1fr}}

.cs-tech-groups{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
}
@media (max-width:820px){.cs-tech-groups{grid-template-columns:1fr}}

.cs-tech-grp{
  position:relative;
  padding:22px 22px 20px;
  background:linear-gradient(180deg, rgba(16,24,39,.5), rgba(16,24,39,.18));
  border:1px solid var(--bd);border-radius:var(--radius);
  transition:border-color .2s;
}
.cs-tech-grp:hover{border-color:rgba(0,180,216,.22)}

.cs-tech-grp-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;margin-bottom:16px;
  border-bottom:1px solid var(--bd-2);
}
.cs-tech-grp-head .gk{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--ink);text-transform:uppercase;font-weight:500;
}
.cs-tech-grp-head .gn{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--cyan-400);text-transform:uppercase;
  padding:2px 7px;border:1px solid rgba(0,180,216,.22);
  border-radius:2px;background:rgba(0,180,216,.05);
}

.cs-tech-chips{display:flex;gap:6px;flex-wrap:wrap}
.cs-tech-chips .tchip{
  padding:6px 11px;
  border:1px solid var(--bd);border-radius:2px;
  font-family:var(--mono);font-size:11px;letter-spacing:.02em;
  color:var(--ink-2);background:rgba(6,11,22,.4);
  transition:all .15s;
}
.cs-tech-chips .tchip:hover{
  border-color:rgba(0,180,216,.35);color:var(--ink);
  background:rgba(0,180,216,.06);
}

.cs-tech-note{
  margin-top:28px;
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;
  color:var(--muted);text-align:center;
  padding-top:22px;border-top:1px solid var(--bd-2);
}

/* ---------- 05 · CTA FINALE ---------- */
.cs-cta{
  position:relative;
  padding:clamp(56px,7vw,104px) 0;
  overflow:hidden;
  background:linear-gradient(180deg, transparent, rgba(6,11,22,.5));
}
.cs-cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 400px at 50% 100%, rgba(0,180,216,.1), transparent 65%),
    radial-gradient(700px 300px at 15% 20%, rgba(0,119,182,.06), transparent 70%);
  pointer-events:none;
}
.cs-cta .wrap{position:relative;z-index:1;max-width:960px;text-align:center}

.cs-cta h2{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(32px,4vw,52px);line-height:1.08;letter-spacing:-.02em;
  margin-bottom:16px;
  max-width:20ch;margin-left:auto;margin-right:auto;
}
.cs-cta h2 em{
  font-style:normal;
  background:var(--grad-accent);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cs-cta .lead{margin:0 auto 32px;max-width:56ch;text-align:center}

.cs-cta-ctas{
  display:flex;gap:14px;flex-wrap:wrap;justify-content:center;
  margin-bottom:28px;
}
.cs-cta-meta{
  display:inline-flex;gap:18px;flex-wrap:wrap;justify-content:center;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;
  padding-top:26px;border-top:1px solid var(--bd-2);
  max-width:680px;margin:0 auto;
}
.cs-cta-meta span{display:inline-flex;align-items:center;gap:8px}
.cs-cta-meta .dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--cyan-500);box-shadow:0 0 8px var(--cyan-500);
}

/* ---------- TODO inline placeholder ---------- */
.todo{
  font-style:italic;color:#fbbf24;letter-spacing:.02em;
  font-size:inherit;
}