/* =================================================================
   Idea Lab — Design System
   Palette B2B professionale · performante · accessibile
   ================================================================= */

:root{
  /* Brand */
  --ink:        #14191F;   /* testo / sezioni scure  */
  --ink-2:      #0C1119;   /* footer / hero scuro    */
  --charcoal:   #302D2B;   /* colore del logo        */
  --brand:      #ED0088;   /* blu fiducia / tech     */
  --brand-700:  #C1006F;
  --accent:     #ED0088;   /* verde crescita / automazione */
  --accent-700: #C1006F;

  /* Neutri */
  --bg:         #FFFFFF;
  --bg-soft:    #F5F8FC;
  --bg-soft-2:  #EEF3FA;
  --line:       #E4EAF2;
  --muted:      #5C6776;
  --text:       #1D2632;

  /* Misure */
  --maxw: 1160px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(16,30,54,.06), 0 2px 8px rgba(16,30,54,.05);
  --shadow:    0 8px 30px rgba(16,30,54,.10);
  --shadow-lg: 0 20px 60px rgba(16,30,54,.16);
  --gap: clamp(1.5rem, 4vw, 3rem);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Reset essenziale */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:none}
.lead a,.site-footer a,.crumbs a,.consent a{text-decoration:underline;text-underline-offset:2px}
h1,h2,h3,h4{line-height:1.15;color:var(--ink);font-weight:800;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:clamp(1.2rem,2vw,1.45rem)}
p{margin:0 0 1rem}
ul{margin:0 0 1rem;padding:0 0 0 1.1rem}
li{margin:.3rem 0}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}

/* Layout */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}
.section{padding-block:clamp(3.5rem,8vw,6rem)}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--ink-2);color:#D7DEE8}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#AEB9C8}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-700);background:rgba(237,0,136,.08);padding:.4rem .8rem;border-radius:100px;margin-bottom:1rem}
.section--dark .eyebrow{color:#FF85C2;background:rgba(255,133,194,.12)}
.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:62ch}
.center .lead{margin-inline:auto}
.section--dark .lead{color:#AEB9C8}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:100px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;text-decoration:none;line-height:1}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--brand-700);color:#fff;box-shadow:0 6px 18px rgba(237,0,136,.28)}
.btn--primary:hover{background:#9E005B}
.btn--accent{background:var(--accent-700);color:#FFFFFF;box-shadow:0 6px 18px rgba(237,0,136,.28)}
.btn--accent:hover{background:#9E005B;color:#fff}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.section--dark .btn--ghost{color:#fff;border-color:rgba(255,255,255,.25)}
.section--dark .btn--ghost:hover{border-color:#fff}
.btn--lg{padding:1.05rem 2rem;font-size:1.08rem}
.hero .btn--ghost,.page-hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.hero .btn--ghost:hover,.page-hero .btn--ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}
.dept-list{list-style:none;padding:0;margin:.4rem 0 0;display:grid;gap:.75rem}
.dept-list li{display:flex;align-items:center;gap:.7rem;color:#E2E8F2;font-size:1rem}
.dept-list .dot{width:12px;height:12px;border-radius:50%;flex:none}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:74px}
.nav__logo img{height:34px;width:auto}
.nav__links{display:flex;align-items:center;gap:.1rem;list-style:none;margin:0;padding:0}
.nav__links a{color:var(--text);font-weight:600;font-size:.94rem;padding:.5rem .6rem;border-radius:8px;text-decoration:none;white-space:nowrap}
.nav__links a:hover{background:var(--bg-soft);color:var(--ink)}
.nav__links a[aria-current="page"]{color:var(--brand-700);background:rgba(237,0,136,.08)}
.nav__cta{display:flex;align-items:center;gap:.6rem}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:.4rem;color:var(--ink)}
.nav__toggle svg{width:28px;height:28px}

@media(max-width:1140px){.nav__cta .btn--ghost{display:none}}
@media(max-width:980px){
  .nav__toggle{display:block}
  .nav__links{position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:.6rem 1rem 1rem;box-shadow:var(--shadow);
    transform:translateY(-130%);transition:transform .28s ease;visibility:hidden}
  .nav__links.is-open{transform:translateY(0);visibility:visible}
  .nav__links a{padding:.85rem .6rem;border-radius:8px;font-size:1.05rem}
  .nav__cta .btn--ghost{display:none}
}

/* Hero canvas 3D (three.js) */
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block;pointer-events:none;opacity:.9}
/* Velatura scura sopra il canvas (sotto al contenuto) per la leggibilità del testo a sinistra */
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(90deg, rgba(12,17,25,.9) 0%, rgba(12,17,25,.6) 36%, rgba(12,17,25,.2) 62%, rgba(12,17,25,0) 100%)}
.hero__grid{position:relative;z-index:1}

/* Hero */
.hero{position:relative;background:
  radial-gradient(1100px 500px at 85% -10%, rgba(237,0,136,.18), transparent 60%),
  radial-gradient(900px 500px at 5% 110%, rgba(237,0,136,.16), transparent 55%),
  linear-gradient(180deg,#0C1119 0%, #111A28 100%);color:#fff;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--gap);align-items:center;
  padding-block:clamp(3.5rem,8vw,6.5rem)}
.hero h1{color:#fff;margin-bottom:1rem}
.hero h1 .hl{background:linear-gradient(90deg,#FF85C2,#FF5FB8);-webkit-background-clip:text;background-clip:text;color:transparent}
#rotator{display:inline-block;transition:opacity .35s ease, transform .35s ease}
#rotator.swap{opacity:0;transform:translateY(10px)}
.hero p{color:#C2CCDA;font-size:clamp(1.05rem,2vw,1.3rem);max-width:54ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.8rem}
.hero__pills{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.8rem;list-style:none;padding:0}
.hero__pills li{font-size:.85rem;color:#AEB9C8;border:1px solid rgba(255,255,255,.16);
  padding:.4rem .8rem;border-radius:100px}
@media(max-width:860px){.hero__grid{grid-template-columns:1fr}}

/* Card del pilastro nell'hero */
.pillar-card{background:rgba(13,20,33,.62);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:1.4rem 1.5rem;backdrop-filter:blur(10px)}
.pillar-card+.pillar-card{margin-top:1rem}
.pillar-card h2,.pillar-card h3{color:#fff;display:flex;align-items:center;gap:.6rem;font-size:1.15rem;margin-bottom:.4rem}
.pillar-card p{color:#AEB9C8;font-size:.98rem;margin:0}
.pillar-card .ic{width:38px;height:38px;flex:0 0 38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#FF5FB8)}
.pillar-card .ic svg{width:20px;height:20px;color:#fff}

/* Grid generica */
.grid{display:grid;gap:1.4rem}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}

/* Card */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;
  box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .2s ease;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card__ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;margin-bottom:1rem;
  background:linear-gradient(135deg,rgba(237,0,136,.12),rgba(237,0,136,.12));color:var(--brand)}
.card__ic svg{width:24px;height:24px}
.card h3{font-size:1.2rem;margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.97rem;margin:0}
.card--link{display:flex;flex-direction:column}
.card__more{margin-top:auto;padding-top:1rem;font-weight:700;color:var(--brand);font-size:.95rem}

/* Foto team */
.team-photo{width:96px;height:96px;border-radius:50%;object-fit:cover;margin:0 auto 1rem;display:block;border:3px solid #fff;box-shadow:var(--shadow-sm);background:var(--bg-soft-2)}

/* Steps / Metodo */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:step}
@media(max-width:880px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;position:relative}
.step__n{font-size:2.4rem;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--brand);line-height:1;margin-bottom:.6rem}
.step h3{font-size:1.15rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}

/* Lista check */
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding-left:2rem;margin:.7rem 0;color:var(--text)}
.checks li::before{content:"";position:absolute;left:0;top:.35rem;width:20px;height:20px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}

/* Split (testo + visual) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:center}
.split--reverse .split__media{order:-1}
@media(max-width:860px){.split{grid-template-columns:1fr}.split--reverse .split__media{order:0}}
.split__media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--bg-soft-2);
  aspect-ratio:4/3;display:grid;place-items:center;color:var(--muted)}

/* Case study list */
.case{display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  padding:1.7rem 1.6rem;color:var(--text);border-top:3px solid var(--brand);
  transition:transform .18s ease, box-shadow .2s ease, border-color .2s ease}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case__body{padding:0;display:flex;flex-direction:column;flex:1}
.case h3{margin:.6rem 0 .5rem;font-size:1.3rem}
.case p{color:var(--muted);margin:0 0 1.15rem}

.case__more{margin-top:auto;display:inline-flex;align-items:center;gap:.35rem;color:var(--brand);font-weight:700;font-size:.95rem;transition:gap .18s ease}
.case:hover .case__more{gap:.6rem}

/* Scheda dati case study (dentro page-hero) */
.factbar{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:1.6rem;border-top:1px solid rgba(255,255,255,.14);padding-top:1.2rem}
.factbar__l{display:block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#FF85C2;margin-bottom:.15rem}
.factbar__v{color:#E2E8F2;font-weight:600;font-size:.98rem}
@media(max-width:700px){.factbar{grid-template-columns:1fr;gap:.8rem}}
.case__logo{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff;padding:26px}
@media(max-width:760px){.case{padding:1.4rem 1.3rem}}
.tag{display:inline-flex;align-items:center;gap:.45rem;font-size:.73rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:#46505F;background:none;padding:0;margin:.25rem 1.1rem .25rem 0;border-radius:0}
.tag::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--tagc,#9AA6B4);flex:none}
.page-hero .tag{color:#C2CCDA}

/* Metriche */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;text-align:center}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stats--3{grid-template-columns:repeat(3,1fr)}
@media(max-width:680px){.stats--3{grid-template-columns:1fr}}
.stat__n{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;color:var(--brand);line-height:1}
.section--dark .stat__n{color:#FF85C2}
.stat__l{color:var(--muted);font-size:.95rem;margin-top:.3rem}
.section--dark .stat__l{color:#AEB9C8}

/* Progetti aziendali */
.venture{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem;box-shadow:var(--shadow-sm);height:100%}
.venture h3{font-size:1.3rem;margin-bottom:.3rem}
.venture .badge{font-size:.78rem;font-weight:700;color:var(--accent-700);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.7rem}
.venture p{color:var(--muted);font-size:.97rem}
.venture a{margin-top:auto;font-weight:700}

/* CTA band */
.cta-band{background:linear-gradient(125deg,#ED0088 0%, #C1006F 62%, #8A0050 115%);color:#fff;border-radius:24px;
  padding:clamp(2.2rem,5vw,3.6rem);text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:60ch;margin-inline:auto}

/* Form */
.form{display:grid;gap:1.1rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.4rem,3vw,2.2rem);box-shadow:var(--shadow)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:600px){.form__row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.35rem}
.field label{font-weight:600;font-size:.92rem;color:var(--ink)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:.8rem .9rem;border:1.5px solid var(--line);
  border-radius:var(--radius-sm);background:#fff;color:var(--text);transition:border .15s ease, box-shadow .15s ease;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(237,0,136,.14)}
.field textarea{min-height:130px;resize:vertical}
.field--hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;line-height:1.5;color:var(--muted)}
.consent input{margin-top:.2rem;flex:none;width:18px;height:18px;accent-color:var(--brand)}
.consent span{flex:1}
.form__note{font-size:.85rem;color:var(--muted)}
.alert{padding:1rem 1.2rem;border-radius:var(--radius-sm);font-weight:600;margin-bottom:1.2rem}
.alert--ok{background:rgba(237,0,136,.12);color:var(--accent-700);border:1px solid rgba(237,0,136,.3)}
.alert--err{background:rgba(229,57,53,.1);color:#c62828;border:1px solid rgba(229,57,53,.3)}

/* Breadcrumb */
.crumbs{font-size:.88rem;color:var(--muted);padding-block:1rem}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}

/* Page hero (interne) */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#0C1119,#111A28);color:#fff;padding-block:clamp(2.6rem,6vw,4.4rem)}
.page-hero > .container{position:relative;z-index:1}
.page-hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(90deg, rgba(12,17,25,.86) 0%, rgba(12,17,25,.55) 45%, rgba(12,17,25,.12) 100%)}
.page-hero h1{color:#fff}
.page-hero p{color:#C2CCDA;max-width:62ch}

/* Footer */
.site-footer{background:var(--ink-2);color:#9FAAB9;padding-block:3.2rem 1.6rem;font-size:.93rem}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
@media(max-width:820px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}
.site-footer img{height:32px;width:auto;margin-bottom:1rem}
.site-footer h2{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;margin:0 0 .9rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.45rem 0}
.site-footer a{color:#9FAAB9}
.site-footer a:hover{color:#fff}
.footer__social{display:flex;gap:.6rem;margin-top:1rem}
.footer__social a{width:38px;height:38px;border:1px solid rgba(255,255,255,.15);border-radius:50%;display:grid;place-items:center;color:#cdd5e0}
.footer__social a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer__social svg{width:18px;height:18px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2.4rem;padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#7C8799}

/* WhatsApp float */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:var(--shadow);transition:transform .15s ease}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px;color:#fff}

/* Utility */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Skip link accessibilita: nascosto finche non riceve focus da tastiera */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;background:var(--brand);color:#fff;padding:.7rem 1rem;z-index:1000;border-radius:0 0 8px 0}
.skip-link:focus{left:1rem;top:.5rem;width:auto;height:auto;overflow:visible}

/* ---- Colori per reparto (accento dedicato per servizio) ---- */
.dept--cto{--dc:#ED0088}
.dept--dev{--dc:#7C5CFC}
.dept--sys{--dc:#2D7FF9}
.dept--care{--dc:#12B5A5}
.dept--mkt{--dc:#FF8A3D}
.dept--design{--dc:#18C0E0}
.card.dept{border-top:3px solid var(--dc)}
.card.dept .card__ic{background:var(--dc);color:#fff}
.card.dept .card__ic svg{color:#fff}
.card.dept .card__more{color:var(--dc)}
.card.dept:hover{border-color:var(--dc);box-shadow:0 10px 30px color-mix(in srgb, var(--dc) 22%, transparent)}

/* Ruolo team: altezza fissa = 2 righe, così le descrizioni si allineano */
.card .team-role{color:#ED0088;font-weight:700;font-size:.9rem;margin:.1rem 0 .6rem;min-height:3rem;display:flex;align-items:center;justify-content:center;text-align:center;line-height:1.25}

/* Banner consenso cookie */
.cookiebar{position:fixed;left:0;right:0;bottom:0;z-index:200;background:var(--ink-2);color:#D7DEE8;box-shadow:0 -8px 30px rgba(0,0,0,.28);border-top:3px solid var(--brand)}
.cookiebar__in{max-width:var(--maxw);margin-inline:auto;padding:1rem clamp(1.1rem,4vw,2rem);display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;justify-content:space-between}
.cookiebar__txt{margin:0;font-size:.92rem;max-width:64ch;color:#C2CCDA}
.cookiebar__txt a{color:#FF85C2;text-decoration:underline}
.cookiebar__btns{display:flex;gap:.6rem;flex-wrap:wrap}
.cookiebar .btn--ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.cookiebar .btn--ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
@media(max-width:600px){.cookiebar__btns{width:100%}.cookiebar__btns .btn{flex:1;justify-content:center}}