/* ============================================================
   VOLTA CONSULTING v3
   Concept: "Volta = il volt, il potenziale che mette in moto."
   Inchiostro blueprint + accento blu elettrico (la corrente).
   Type: Space Grotesk (display) · Hanken Grotesk (body) · Space Mono (data)
   ============================================================ */

:root{
  --ink:        #0C0E13;
  --ink-2:      #12151C;
  --ink-3:      #191D26;
  --accent:     #3E84F7;   /* blu blueprint elettrico */
  --accent-2:   #6FA6FF;   /* hover / glow / scintilla */
  --accent-deep:#2B5FC2;   /* accento su fondo chiaro (sezione metodo) */
  --blueprint:  #DCE2EA;
  --bp-2:       #CBD4DF;
  --on-dark:    #AEB7C6;
  --on-dim:     #828B9D;
  --on-ink:     #0C0E13;
  --line:       rgba(174,183,198,.13);
  --line-2:     rgba(174,183,198,.22);

  --disp:'Space Grotesk', system-ui, sans-serif;
  --body:'Hanken Grotesk', system-ui, sans-serif;
  --mono:'Space Mono', ui-monospace, monospace;

  --wrap: 1240px;
  --pad: clamp(20px, 5vw, 64px);
  --sect: clamp(72px, 11vw, 160px);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  font-family:var(--body);
  background:var(--ink);
  color:var(--on-dark);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

::selection{ background:var(--accent); color:var(--ink); }

.skip{
  position:absolute; left:-999px; top:0; z-index:200;
  background:var(--accent); color:var(--ink); padding:10px 16px;
  font-family:var(--mono); font-size:13px;
}
.skip:focus{ left:12px; top:12px; }

:focus-visible{ outline:2px solid var(--accent-2); outline-offset:3px; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

/* ---------- shared type ---------- */
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.22em;
  text-transform:uppercase; font-weight:400; margin-bottom:22px;
}
.eyebrow--accent{ color:var(--accent); }
.eyebrow--ink{ color:var(--accent-deep); }

.h2{
  font-family:var(--disp); font-weight:700;
  font-size:clamp(25px, 3.4vw, 42px);
  line-height:1.04; letter-spacing:-.025em; color:#fff;
  max-width:16ch;
}
.h2--wide{ max-width:20ch; }
.h2--ink{ color:var(--ink); }

.lead{
  font-size:clamp(16px,1.4vw,19px); color:var(--on-dark);
  line-height:1.7; max-width:52ch;
}

.section{ padding-block:var(--sect); }
section[id], main [id]{ scroll-margin-top:88px; }
.section__head{ margin-bottom:clamp(44px,6vw,80px); }

.btn{
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--mono); font-size:13px; letter-spacing:.04em;
  padding:15px 26px; border:1px solid transparent;
  transition:transform .35s cubic-bezier(.22,1,.36,1), background .3s, color .3s, border-color .3s;
}
.btn span{ transition:transform .35s cubic-bezier(.22,1,.36,1); }
.btn:hover span{ transform:translateX(5px); }
.btn--solid{ background:var(--accent); color:var(--ink); font-weight:700; }
.btn--solid:hover{ background:var(--accent-2); }
.btn--ghost{ border-color:var(--line-2); color:#fff; }
.btn--ghost:hover{ border-color:var(--accent); color:var(--accent-2); }
.btn--block{ width:100%; justify-content:center; margin-top:8px; }

/* ============================================================
   HEADER
   ============================================================ */
.hdr{
  position:fixed; inset:0 0 auto 0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px var(--pad);
  transition:background .4s, border-color .4s, padding .4s;
  border-bottom:1px solid transparent;
}
.hdr.is-stuck{
  background:rgba(12,14,19,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  padding-block:12px;
}
.hdr__logo img{
  height:52px; width:auto;
  filter:brightness(0) invert(1);   /* logo nero su trasparente → bianco */
  opacity:.92; transition:opacity .25s;
}
.hdr__logo:hover img{ opacity:1; }
.hdr__nav{ display:flex; align-items:center; gap:clamp(20px,2.4vw,40px); }
.hdr__nav a{
  font-family:var(--mono); font-size:13px; letter-spacing:.05em;
  color:var(--on-dark); transition:color .25s; position:relative;
}
.hdr__nav a:not(.hdr__cta)::after{
  content:""; position:absolute; left:0; bottom:-6px; height:1px; width:0;
  background:var(--accent); transition:width .3s cubic-bezier(.22,1,.36,1);
}
.hdr__nav a:not(.hdr__cta):hover{ color:#fff; }
.hdr__nav a:not(.hdr__cta):hover::after{ width:100%; }
.hdr__cta{
  border:1px solid var(--line-2); padding:9px 18px; color:#fff;
  transition:border-color .25s, color .25s;
}
.hdr__cta:hover{ border-color:var(--accent); color:var(--accent-2); }
.hdr__cta span{ display:inline-block; transition:transform .3s; }
.hdr__cta:hover span{ transform:translateX(4px); }

.burger{
  display:none; flex-direction:column; gap:6px; width:38px; height:38px;
  align-items:center; justify-content:center; background:none; border:none;
  cursor:pointer;
}
.burger span{ width:22px; height:1.5px; background:#fff; transition:transform .3s, opacity .3s; }
.burger[aria-expanded="true"] span:first-child{ transform:translateY(3.75px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child{ transform:translateY(-3.75px) rotate(-45deg); }

/* mobile drawer */
.drawer{
  position:fixed; inset:0; z-index:90;
  background:var(--ink); padding:96px var(--pad) 40px;
  display:flex; flex-direction:column; justify-content:space-between;
  transform:translateY(-100%); transition:transform .5s cubic-bezier(.76,0,.24,1);
  visibility:hidden;
}
.drawer.is-open{ transform:translateY(0); visibility:visible; }
.drawer nav{ display:flex; flex-direction:column; gap:8px; }
.drawer nav a{
  font-family:var(--disp); font-weight:500; font-size:clamp(30px,9vw,52px);
  color:#fff; letter-spacing:-.02em; padding-block:6px;
}
.drawer__cta{ color:var(--accent) !important; }
.drawer__meta{ font-family:var(--mono); font-size:12px; color:var(--on-dim); letter-spacing:.06em; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; min-height:100svh; overflow:hidden;
  display:flex; flex-direction:column; justify-content:space-between;
  gap:clamp(26px,4vw,52px); padding:104px 0 32px;
}
/* full-bleed background photo (no schematic) */
.hero__bg{ position:absolute; inset:0; z-index:0; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; object-position:62% center; filter:brightness(.62) contrast(1.06); }
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(12,14,19,.82) 0%, rgba(12,14,19,.46) 42%, rgba(12,14,19,.14) 100%),
    linear-gradient(0deg, rgba(12,14,19,.72), transparent 45%);
}
/* the three bands sit above the photo, constrained to the content width */
.hero__top, .hero__main, .hero__bottom{
  position:relative; z-index:2; width:100%;
  max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad);
}
.hero__top{ display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.hero__status{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--on-dark); display:inline-flex; align-items:center; gap:9px; }
.hero__dot{ width:7px; height:7px; border-radius:50%; background:var(--accent);
  animation:pulse 2.4s ease-out infinite; }
@keyframes pulse{ 0%{ box-shadow:0 0 0 0 rgba(62,132,247,.45); } 70%{ box-shadow:0 0 0 9px rgba(62,132,247,0); } 100%{ box-shadow:0 0 0 0 rgba(62,132,247,0); } }

/* middle band takes the remaining height; text only */
.hero__main{ flex:1; display:flex; align-items:center; }
.hero__text{ max-width:min(820px, 100%); }

.hero__h1{
  font-family:var(--disp); font-weight:700;
  font-size:clamp(34px, 6vw, 70px);
  line-height:.92; letter-spacing:-.035em; color:#fff;
  margin:6px 0 30px;
}
.hero__h1 .line{ display:block; overflow:hidden; padding-bottom:.12em; margin-bottom:-.12em; }
.hero__h1 .line__in{ display:block; transform:translateY(110%); }
.is-loaded .hero__h1 .line__in{ animation:lineUp .95s cubic-bezier(.22,1,.36,1) forwards; }
.is-loaded .hero__h1 .line:nth-child(1) .line__in{ animation-delay:.12s; }
.is-loaded .hero__h1 .line:nth-child(2) .line__in{ animation-delay:.24s; }
.is-loaded .hero__h1 .line:nth-child(3) .line__in{ animation-delay:.36s; }
@keyframes lineUp{ to{ transform:translateY(0); } }
.line--accent{ color:var(--accent); }
/* statement variant: longer headline, ~half size, lines separated */
.hero__h1--statement{ font-size:clamp(22px,3.6vw,50px); line-height:1.12; letter-spacing:-.03em; margin-bottom:34px; }
.hero__h1--statement .line{ margin-bottom:.12em; }
.is-loaded .hero__h1--statement .line:nth-child(4) .line__in{ animation-delay:.48s; }
.is-loaded .hero__h1--statement .line:nth-child(5) .line__in{ animation-delay:.60s; }

.hero__sub{ max-width:46ch; font-size:clamp(16px,1.45vw,19px); color:var(--on-dark); }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:38px; }

/* bottom bar — coordinates + animated scroll cue */
.hero__bottom{ position:relative; z-index:2; display:flex; justify-content:space-between; align-items:flex-end; gap:20px; }
.hero__coord{
  font-family:var(--mono); font-size:11px; letter-spacing:.18em;
  color:var(--on-dim); text-transform:uppercase;
}
.hero__scroll{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--on-dim); display:inline-flex; flex-direction:column; align-items:center; gap:10px; transition:color .25s; }
.hero__scroll:hover{ color:var(--accent-2); }
.hero__scrollbar{ position:relative; width:1px; height:36px; background:var(--line-2); overflow:hidden; }
.hero__scrollbar::after{ content:""; position:absolute; top:0; left:0; width:100%; height:45%;
  background:var(--accent); animation:scrolldown 1.9s cubic-bezier(.7,0,.3,1) infinite; }
@keyframes scrolldown{ 0%{ transform:translateY(-110%); } 100%{ transform:translateY(260%); } }

/* signature schematic */
.hero__schema{ position:relative; z-index:1; display:flex; justify-content:center; }
.schema{ width:min(100%, 440px); height:auto; overflow:visible; }
.s-bus, .s-line, .s-node, .s-ground line{ fill:none; stroke-linecap:round; }
.s-bus{ stroke:var(--accent); stroke-width:1.5; opacity:.9; }
.s-line{ stroke:var(--on-dim); stroke-width:1.4; }
.s-source{ stroke:var(--accent); stroke-width:2; fill:color-mix(in srgb, var(--accent) 7%, transparent); }
.s-tap{ stroke:var(--accent); stroke-width:1.5; fill:var(--ink); }
.s-ground line{ stroke:var(--accent); stroke-width:1.5; }
.s-vc{ font-family:var(--disp); font-weight:700; font-size:24px; fill:#fff; }
.s-cap{ font-family:var(--mono); font-size:9.5px; letter-spacing:.16em; fill:var(--on-dim); }
.s-lbl{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; fill:var(--on-dark); }
.s-lbl--r{ text-anchor:middle; }
.s-lbl--l{ text-anchor:middle; }
.s-spark{ fill:var(--accent-2); filter:drop-shadow(0 0 6px var(--accent)); opacity:0; }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee{
  border-block:1px solid var(--line); overflow:hidden;
  padding-block:20px; background:var(--ink-2);
}
.marquee__row{
  display:inline-flex; align-items:center; gap:30px; white-space:nowrap;
  animation:scroll 38s linear infinite; will-change:transform;
}
.marquee__row span{
  font-family:var(--disp); font-weight:500; font-size:clamp(16px,2vw,24px);
  color:var(--on-dark); letter-spacing:-.01em;
}
.marquee__row i{ color:var(--accent); font-style:normal; }
@keyframes scroll{ to{ transform:translateX(-50%); } }

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto{ padding-block:clamp(70px,12vw,150px); }
.manifesto__grid{ display:grid; grid-template-columns:1.6fr .9fr; gap:clamp(30px,6vw,80px); align-items:end; }
.manifesto__p{
  font-family:var(--disp); font-weight:500;
  font-size:clamp(23px,3.4vw,44px); line-height:1.12;
  letter-spacing:-.02em; color:var(--on-dim); max-width:18ch;
}
.manifesto__hl{ color:#fff; }
.manifesto__tag{ display:block; font-family:var(--mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--accent); margin-bottom:16px; }
.manifesto__note{ font-size:15.5px; color:var(--on-dim); line-height:1.72; max-width:36ch; }
.manifesto__side .more-link{ margin-top:18px; }

/* ============================================================
   STATS
   ============================================================ */
.stats{ border-block:1px solid var(--line); }
.stats__grid{
  display:grid; grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:clamp(34px,4vw,56px) 0; padding-right:28px;
  border-right:1px solid var(--line);
}
.stat:first-child{ padding-left:0; }
.stats__grid .stat:last-child{ border-right:none; }
.stat__n{
  display:block; font-family:var(--disp); font-weight:700;
  font-size:clamp(40px,5.5vw,72px); line-height:1; color:var(--accent);
  letter-spacing:-.03em;
}
.stat__n small{ font-size:.45em; vertical-align:baseline; }
.stat__n--word{ font-size:clamp(30px,3.6vw,46px); color:#fff; }
.stat__l{
  display:block; margin-top:16px; font-size:14px;
  color:var(--on-dim); max-width:24ch; line-height:1.55;
}

/* ============================================================
   PROBLEM
   ============================================================ */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(36px,6vw,90px); }
.split__lead .h2{ max-width:14ch; }
.gaplist{ list-style:none; margin-top:36px; }
.gaplist li{
  display:flex; gap:18px; align-items:baseline;
  padding:20px 0; border-top:1px solid var(--line);
  font-size:16px; color:var(--on-dark);
}
.gaplist__k{ font-family:var(--mono); font-size:13px; color:var(--accent); flex:none; }

/* ============================================================
   AMBITI (services list)
   ============================================================ */
.svc{ list-style:none; border-top:1px solid var(--line-2); }
.svc__row{
  display:grid; grid-template-columns:auto 1fr auto auto;
  align-items:center; gap:clamp(16px,3vw,48px);
  padding:clamp(22px,2.6vw,34px) 4px;
  border-bottom:1px solid var(--line);
  transition:padding-left .4s cubic-bezier(.22,1,.36,1), background .4s;
  position:relative;
}
.svc__link{ position:absolute; inset:0; z-index:1; }
.svc__row:hover{ padding-left:24px; background:linear-gradient(90deg, var(--ink-2), transparent 70%); }
.svc__n{ font-family:var(--mono); font-size:14px; color:var(--accent); }
.svc__name{
  font-family:var(--disp); font-weight:500;
  font-size:clamp(20px,2.6vw,34px); color:#fff; letter-spacing:-.02em;
  line-height:1.1;
}
.svc__desc{
  font-size:14.5px; color:var(--on-dim); max-width:46ch; line-height:1.6;
}
.svc__arr{
  font-family:var(--mono); color:var(--on-dim); font-size:20px;
  transition:transform .35s cubic-bezier(.22,1,.36,1), color .3s;
}
.svc__row:hover .svc__arr{ transform:translateX(8px); color:var(--accent); }
.svc__row:hover .svc__name{ color:var(--accent-2); }

/* ============================================================
   METODO (light blueprint section)
   ============================================================ */
.method{ background:var(--blueprint); color:var(--ink); }
.method .lead{ color:#3a4150; }
.phases{ list-style:none; display:grid; grid-template-columns:repeat(4,1fr); gap:0; }
.phase{
  padding:32px 26px 38px 0; position:relative;
  border-top:2px solid var(--ink);
}
.phase::before{
  content:""; position:absolute; top:-6px; left:0; width:9px; height:9px;
  background:var(--accent); border-radius:50%;
}
.phase__n{ font-family:var(--mono); font-size:13px; color:var(--accent-deep); }
.phase__t{
  font-family:var(--disp); font-weight:700; font-size:clamp(18px,1.8vw,23px);
  color:var(--ink); margin:14px 0 12px; letter-spacing:-.01em; line-height:1.15;
}
.phase__d{ font-size:14.5px; color:#4a5160; line-height:1.6; }

/* ============================================================
   CONVERGE (photo + panel)
   ============================================================ */
.converge{
  display:grid; grid-template-columns:1.05fr .95fr; align-items:stretch;
  padding:0;
}
.converge__media{ position:relative; min-height:clamp(380px,52vw,720px); overflow:hidden; }
.converge__media img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  filter:brightness(.8) contrast(1.02);
}
.converge__veil{
  position:absolute; inset:0;
  background:linear-gradient(90deg, transparent 40%, var(--ink) 99%),
             linear-gradient(0deg, rgba(12,14,19,.55), transparent 55%);
}
.converge__panel{
  background:var(--ink); display:flex; flex-direction:column;
  justify-content:center; gap:24px;
  padding:clamp(48px,7vw,110px) var(--pad);
}
.converge__panel .btn{ align-self:flex-start; margin-top:8px; }

/* ============================================================
   IDENTITY (VOLTA)
   ============================================================ */
.identity{ background:var(--ink-2); border-top:1px solid var(--line); }
.identity__head{ max-width:60ch; margin-bottom:clamp(48px,6vw,84px); }
.identity__expand{
  font-family:var(--disp); font-weight:700;
  font-size:clamp(24px,3.4vw,46px); color:#fff; letter-spacing:-.02em;
  line-height:1.18; margin-bottom:24px;
}
.identity__note{ font-size:clamp(16px,1.5vw,20px); color:var(--on-dark); }
.identity__note em{ color:var(--accent); font-style:italic; }

.vgrid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); perspective:1100px; }
.vgrid__cell{ position:relative; background:var(--ink-2); padding:clamp(28px,3.5vw,48px); transition:transform .4s cubic-bezier(.22,1,.36,1), background .3s; }
.vgrid__cell::before{
  content:""; position:absolute; left:0; top:0; width:0; height:2px;
  background:var(--accent); transition:width .45s cubic-bezier(.22,1,.36,1);
}
.vgrid__cell:hover{ background:var(--ink-3); }
.vgrid__cell:hover::before{ width:100%; }
.vgrid__cell dt{
  font-family:var(--disp); font-weight:700; font-size:clamp(18px,1.9vw,24px);
  color:#fff; display:flex; align-items:baseline; gap:16px; margin-bottom:14px;
}
.vgrid__k{
  font-family:var(--disp); font-weight:700; color:var(--accent);
  font-size:clamp(28px,3.2vw,44px); line-height:1; min-width:40px;
  transition:color .3s;
}
.vgrid__cell:hover .vgrid__k{ color:var(--accent-2); }
.vgrid__cell dd{ font-size:15px; color:var(--on-dim); line-height:1.65; transition:color .3s; }
.vgrid__cell:hover dd{ color:var(--on-dark); }

/* ============================================================
   VALUE / RITORNO ECONOMICO
   ============================================================ */
.value__grid{
  list-style:none; display:grid; grid-template-columns:repeat(3,1fr);
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.value__cell{
  background:var(--ink); padding:clamp(28px,3vw,44px);
  border-top:2px solid transparent;
  transition:background .3s, border-color .3s;
}
.value__cell:hover{ background:var(--ink-2); border-top-color:var(--accent); }
.value__k{
  display:block; font-family:var(--disp); font-weight:700;
  font-size:clamp(20px,2.1vw,28px); color:#fff; letter-spacing:-.02em;
  line-height:1.1; margin-bottom:14px;
}
.value__d{ font-size:14.5px; color:var(--on-dim); line-height:1.6; }

/* ============================================================
   SETTORI
   ============================================================ */
.sectors{ border-top:1px solid var(--line); }
.sectors__list{ list-style:none; display:flex; flex-wrap:wrap; gap:14px; }
.sectors__list li{
  font-family:var(--disp); font-weight:500;
  font-size:clamp(18px,2.4vw,30px); color:#fff; letter-spacing:-.02em;
  padding:13px 26px; border:1px solid var(--line-2);
  transition:border-color .3s, color .3s, background .3s;
}
.sectors__list li:hover{ border-color:var(--accent); color:var(--accent-2); background:var(--ink-2); }

/* manifesto: three-statement variant needs a touch more width */
.manifesto__p--wide{ max-width:26ch; }

/* ── quando interveniamo (recognition list) ── */
.when__list{ list-style:none; column-count:2; column-gap:clamp(30px,5vw,72px); }
.when__list li{
  break-inside:avoid; display:flex; gap:14px; align-items:baseline;
  padding:16px 2px; border-top:1px solid var(--line);
  font-size:15.5px; color:var(--on-dark); line-height:1.5;
  transition:color .25s, padding-left .3s cubic-bezier(.22,1,.36,1);
}
.when__list li::before{ content:"→"; color:var(--accent); font-family:var(--mono); font-size:13px; flex:none; }
.when__list li:hover{ color:#fff; padding-left:10px; }
@media (max-width:700px){ .when__list{ column-count:1; } }

/* ── network / regia (converge points) ── */
.converge__points{ list-style:none; display:flex; flex-direction:column; gap:10px; margin-top:4px; }
.converge__points li{ display:flex; gap:12px; align-items:baseline; font-family:var(--mono); font-size:13px; letter-spacing:.02em; color:var(--on-dark); }
.converge__points li::before{ content:"—"; color:var(--accent); }

/* ============================================================
   CTA / CONTACT
   ============================================================ */
.cta{ border-top:1px solid var(--line); }
.cta__inner{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(40px,6vw,90px); align-items:center; }
.cta__h{
  font-family:var(--disp); font-weight:700;
  font-size:clamp(28px,4.4vw,52px); line-height:.98; letter-spacing:-.03em;
  color:#fff; margin-bottom:24px;
}
.cta__lead{ max-width:42ch; }
.cta__card{ border:1px solid var(--line-2); padding:clamp(28px,3vw,40px); background:var(--ink-2); }
.cta__line{
  display:flex; justify-content:space-between; align-items:flex-start; gap:20px;
  padding:18px 0; border-bottom:1px solid var(--line);
}
.cta__line:first-child{ padding-top:0; }
.cta__k{ font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--on-dim); }
.cta__v{ font-family:var(--mono); font-size:15px; color:#fff; text-align:right; line-height:1.5; }
a.cta__line:hover .cta__v{ color:var(--accent-2); }

/* ============================================================
   FOOTER
   ============================================================ */
.ftr{ background:var(--ink); border-top:1px solid var(--line); padding-top:clamp(56px,7vw,96px); }
.ftr__grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:40px; padding-bottom:56px; }
.ftr__logo{ height:28px; margin-bottom:20px; filter:brightness(0) invert(1); opacity:.9; }
.ftr__tag{ font-size:14px; color:var(--on-dim); line-height:1.7; }
.ftr__col{ display:flex; flex-direction:column; gap:12px; }
.ftr__h{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); margin-bottom:6px; }
.ftr__col a{ font-size:15px; color:var(--on-dark); transition:color .25s; width:fit-content; }
.ftr__col a:hover{ color:var(--accent-2); }
.ftr__txt{ font-size:15px; color:var(--on-dim); }
.ftr__bottom{
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; align-items:center;
  padding-block:28px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:12px; color:var(--on-dim); letter-spacing:.04em;
}

/* ============================================================
   REVEAL / ENTRANCE ANIMATIONS
   ============================================================ */
[data-reveal]{ opacity:0; transform:translateY(44px) scale(.972); filter:blur(8px); transition:opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1), filter .9s ease; will-change:opacity, transform; }
[data-reveal].is-in{ opacity:1; transform:none; filter:blur(0); }

/* image clip reveal — the photo wipes up + settles from a slight zoom */
[data-reveal].reveal-clip{ opacity:1; transform:none; filter:none; }
.reveal-clip img{ clip-path:inset(0 0 102% 0); transform:scale(1.12); transition:clip-path 1.05s cubic-bezier(.22,1,.36,1), transform 1.3s cubic-bezier(.22,1,.36,1); }
.reveal-clip.is-in img{ clip-path:inset(0 0 0 0); transform:scale(1); }
[data-reveal][data-d="2"]{ transition-delay:.09s; }
[data-reveal][data-d="3"]{ transition-delay:.18s; }
[data-reveal][data-d="4"]{ transition-delay:.27s; }

[data-rise]{ opacity:0; transform:translateY(34px); }
.is-loaded [data-rise]{ animation:rise .9s cubic-bezier(.22,1,.36,1) forwards; }
.is-loaded [data-rise][data-d="1"]{ animation-delay:.06s; }
.is-loaded [data-rise][data-d="2"]{ animation-delay:.14s; }
.is-loaded [data-rise][data-d="3"]{ animation-delay:.22s; }
.is-loaded [data-rise][data-d="4"]{ animation-delay:.34s; }
.is-loaded [data-rise][data-d="5"]{ animation-delay:.46s; }
@keyframes rise{ to{ opacity:1; transform:none; } }

/* schematic draw + spark */
.s-bus,.s-line,.s-node,.s-ground line{ stroke-dasharray:1; stroke-dashoffset:1; }
.is-loaded .s-source{ animation:draw .8s ease .25s forwards; }
.is-loaded .s-bus{ animation:draw 1s ease .5s forwards; }
.is-loaded .s-branch .s-line{ animation:draw .55s ease forwards; }
.is-loaded .s-branch .s-node{ animation:draw .45s ease forwards; }
.is-loaded .s-branch[data-d="1"] *{ animation-delay:.85s; }
.is-loaded .s-branch[data-d="2"] *{ animation-delay:1.0s; }
.is-loaded .s-branch[data-d="3"] *{ animation-delay:1.15s; }
.is-loaded .s-branch[data-d="4"] *{ animation-delay:1.3s; }
.is-loaded .s-branch[data-d="5"] *{ animation-delay:1.45s; }
.is-loaded .s-branch[data-d="6"] *{ animation-delay:1.6s; }
.is-loaded .s-ground line{ animation:draw .4s ease 1.7s forwards; }
.is-loaded .s-spark{ animation:sparkLoop 6s cubic-bezier(.45,0,.5,1) 1.0s infinite; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
@keyframes sparkLoop{
  0%{ transform:translateY(0); opacity:0; }
  3%{ opacity:1; }
  24%{ transform:translateY(426px); opacity:1; }
  28%{ transform:translateY(426px); opacity:0; }
  100%{ transform:translateY(426px); opacity:0; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1000px){
  .hdr__nav{ display:none; }
  .burger{ display:flex; }
  .hero{ min-height:auto; padding-top:118px; gap:34px; }
  .hero__main{ grid-template-columns:1fr; gap:38px; }
  .hero__schema{ order:2; }
  .schema{ width:min(84%,360px); opacity:.95; }
  .hero__status--r{ display:none; }
  .hero__bottom{ display:none; }
  .manifesto__grid{ grid-template-columns:1fr; align-items:start; gap:36px; }
  .stats__grid{ grid-template-columns:repeat(2,1fr); }
  .stat:nth-child(2){ border-right:none; }
  .stat{ padding-right:20px; }
  .split{ grid-template-columns:1fr; }
  .phases{ grid-template-columns:repeat(2,1fr); }
  .phase:nth-child(n+3){ margin-top:8px; }
  .converge{ grid-template-columns:1fr; }
  .value__grid{ grid-template-columns:1fr 1fr; }
  .converge__media{ min-height:340px; }
  .converge__veil{ background:linear-gradient(0deg, var(--ink) 2%, transparent 60%); }
  .cta__inner{ grid-template-columns:1fr; }
  .vgrid{ grid-template-columns:1fr; }
  .ftr__grid{ grid-template-columns:1fr 1fr; }
  .ftr__brand{ grid-column:1 / -1; }
}

@media (max-width:560px){
  body{ font-size:16px; }
  .stats__grid{ grid-template-columns:1fr; }
  .stat{ border-right:none; border-top:1px solid var(--line); padding-block:26px; }
  .stat:first-child{ border-top:none; }
  .phases{ grid-template-columns:1fr; }
  .svc__row{ grid-template-columns:auto 1fr auto; }
  .svc__desc{ display:none; }
  .svc__name{ font-size:22px; }
  .value__grid{ grid-template-columns:1fr; }
  .ftr__grid{ grid-template-columns:1fr; }
  .ftr__bottom{ flex-direction:column; gap:8px; }
  .cta__v{ font-size:14px; }
}

/* ============================================================
   DYNAMIC EXTRAS — scroll progress, page transition, active nav
   ============================================================ */
.scroll-prog{
  position:fixed; top:0; left:0; height:2px; width:0; z-index:101;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transition:width .12s linear;
}
.hdr.is-stuck + .scroll-prog,
.scroll-prog{ pointer-events:none; }

/* back-to-top button */
.to-top{
  position:fixed; right:clamp(18px,3vw,32px); bottom:clamp(18px,3vw,32px); z-index:80;
  width:48px; height:48px; display:grid; place-items:center;
  background:rgba(18,21,28,.72); -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  border:1px solid var(--line-2); color:#fff; cursor:pointer;
  opacity:0; transform:translateY(14px); pointer-events:none;
  transition:opacity .4s cubic-bezier(.22,1,.36,1), transform .4s cubic-bezier(.22,1,.36,1),
             border-color .3s, color .3s, background .3s;
}
.to-top.is-vis{ opacity:1; transform:none; pointer-events:auto; }
.to-top:hover{ border-color:var(--accent); color:var(--accent-2); background:var(--ink-2); }
.to-top svg{ width:18px; height:18px; }
@media (prefers-reduced-motion: reduce){
  .to-top{ transition:opacity .25s ease; transform:none; }
}

.page-fade{
  position:fixed; inset:0; z-index:300; background:var(--ink);
  pointer-events:none; opacity:0; transition:opacity .42s ease;
}
.page-fade.cover{ opacity:1; }

.hdr__nav a.active{ color:#fff; }
.hdr__nav a.active::after{ width:100%; }
.drawer nav a.active{ color:var(--accent); }

/* ============================================================
   PAGE HERO (subpages)
   ============================================================ */
.phero{
  position:relative; overflow:hidden;
  padding:clamp(150px,18vw,210px) var(--pad) clamp(60px,8vw,96px);
  border-bottom:1px solid var(--line);
}
.phero__grid{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 110% at 80% 0%, #000 20%, transparent 72%);
          mask-image:radial-gradient(120% 110% at 80% 0%, #000 20%, transparent 72%);
}
.phero__in{ position:relative; z-index:2; max-width:var(--wrap); margin-inline:auto; }
.phero__idx{
  font-family:var(--mono); font-size:12px; letter-spacing:.2em; color:var(--on-dim);
  text-transform:uppercase; margin-bottom:26px; display:flex; gap:14px; align-items:center;
}
.phero__idx b{ color:var(--accent); font-weight:400; }
.phero h1{
  font-family:var(--disp); font-weight:700;
  font-size:clamp(30px,5vw,58px); line-height:.95; letter-spacing:-.035em; color:#fff;
  max-width:16ch; margin-bottom:28px;
}
.phero h1 em{ font-style:normal; color:var(--accent); }
.phero .lead{ max-width:54ch; }

/* shared "more" link */
.more-link{
  display:inline-flex; align-items:center; gap:.6em; margin-top:clamp(32px,4vw,52px);
  font-family:var(--mono); font-size:13px; letter-spacing:.04em; color:var(--accent);
  border-bottom:1px solid transparent; padding-bottom:3px; transition:border-color .3s, color .3s;
}
.more-link span{ transition:transform .35s cubic-bezier(.22,1,.36,1); }
.more-link:hover{ color:var(--accent-2); border-bottom-color:var(--accent-2); }
.more-link:hover span{ transform:translateX(6px); }

/* ============================================================
   ACCORDION (servizi dettaglio)
   ============================================================ */
.acc{ border-top:1px solid var(--line-2); }
.acc__item{ border-bottom:1px solid var(--line); }
.acc__head{
  width:100%; background:none; border:none; cursor:pointer; color:#fff;
  display:grid; grid-template-columns:auto 1fr auto; align-items:center;
  gap:clamp(16px,3vw,40px); padding:clamp(22px,2.6vw,32px) 4px; text-align:left;
  transition:padding-left .4s cubic-bezier(.22,1,.36,1);
}
.acc__head:hover{ padding-left:18px; }
.acc__n{ font-family:var(--mono); font-size:14px; color:var(--accent); }
.acc__t{
  font-family:var(--disp); font-weight:500; letter-spacing:-.02em; line-height:1.1;
  font-size:clamp(19px,2.5vw,32px); color:#fff; transition:color .3s;
}
.acc__item.open .acc__t,
.acc__head:hover .acc__t{ color:var(--accent-2); }
.acc__ic{
  position:relative; width:34px; height:34px; flex:none; border-radius:50%;
  border:1px solid var(--line-2);
  transition:background .4s cubic-bezier(.22,1,.36,1), border-color .35s, transform .5s cubic-bezier(.22,1,.36,1);
}
.acc__ic::before{
  content:""; position:absolute; top:50%; left:50%;
  width:7px; height:7px;
  border-right:1.6px solid var(--accent); border-bottom:1.6px solid var(--accent);
  transform:translate(-50%,-72%) rotate(45deg);
  transition:border-color .35s;
}
.acc__head:hover .acc__ic{ border-color:var(--accent); }
.acc__item.open .acc__ic{ background:var(--accent); border-color:var(--accent); transform:rotate(180deg); }
.acc__item.open .acc__ic::before{ border-color:#fff; }
.acc__panel{ overflow:hidden; height:0; transition:height .45s cubic-bezier(.22,1,.36,1); }
.acc__inner{
  padding:0 4px clamp(26px,3vw,38px) calc(14px + clamp(16px,3vw,40px));
  display:grid; grid-template-columns:1.4fr 1fr; gap:clamp(20px,4vw,56px); max-width:none;
}
.acc__inner p{ color:var(--on-dark); font-size:15.5px; line-height:1.72; max-width:60ch; }
.acc__meta{ display:flex; flex-direction:column; gap:22px; }
.acc__group{ display:flex; flex-direction:column; gap:12px; }
.acc__glabel{
  font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--accent); padding-bottom:9px; border-bottom:1px solid var(--line);
}
.acc__chips{ list-style:none; display:flex; flex-wrap:wrap; gap:8px; }
.acc__chips li{
  font-family:var(--mono); font-size:12px; color:var(--on-dark);
  padding:7px 12px; border:1px solid var(--line-2);
  transition:border-color .25s, color .25s, background .25s;
}
.acc__chips li:hover{ border-color:var(--accent); color:#fff; background:var(--ink-3); }
.acc__body{ display:flex; flex-direction:column; gap:18px; }
.acc__body p{ margin:0; }
.acc__body .acc__lead{
  color:#fff; font-size:16.5px; line-height:1.58; font-weight:600;
  padding-left:15px; border-left:2px solid var(--accent); max-width:56ch;
}
.acc__sub{ display:flex; flex-direction:column; gap:7px; }
.acc__slabel{
  font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--accent-2);
}

/* --- accordion compatto (liste secondarie: quando interveniamo, tipologie) --- */
.acc--compact{ border-top:1px solid var(--line-2); margin-top:clamp(20px,2.4vw,32px); }
.acc--compact .acc__head{ padding:clamp(15px,1.8vw,20px) 4px; gap:clamp(14px,2vw,26px); }
.acc--compact .acc__t{ font-size:clamp(16px,1.5vw,20px); font-weight:500; line-height:1.25; }
.acc--compact .acc__n{ font-size:12px; }
.acc--compact .acc__ic{ width:29px; height:29px; }
.acc--compact .acc__ic::before{ width:6px; height:6px; }
.acc--compact .acc__inner{
  display:block;
  padding:0 4px clamp(16px,2vw,22px) calc(12px + clamp(14px,2vw,26px));
}
.acc--compact .acc__inner p{ font-size:14.5px; line-height:1.65; color:var(--on-dark); max-width:70ch; }

/* --- chi siamo: intro "in breve" --- */
.prose-intro{ max-width:72ch; margin-top:clamp(20px,2.6vw,32px); }
.prose-intro p + p{ margin-top:16px; color:var(--on-dim); line-height:1.8; }

/* --- chi siamo: la storia (fondatore + ritratto) --- */
.founder{ display:grid; grid-template-columns:0.82fr 1.18fr; gap:clamp(28px,5vw,72px); align-items:start; }
.founder__media{ position:sticky; top:104px; align-self:start; overflow:hidden; border:1px solid var(--line-2); background:var(--ink-2); }
.founder__media::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(180deg, transparent 55%, rgba(12,14,19,.55));
}
.founder__media img{ width:100%; display:block; aspect-ratio:1/1; object-fit:cover; filter:grayscale(.12) contrast(1.03); }
.founder__body .h2{ margin-top:14px; }
.founder__body .lead{ margin-top:20px; }
.founder__body p + p{ margin-top:15px; color:var(--on-dim); line-height:1.78; }
.founder__body .sig{ margin-top:26px; }
@media (max-width:820px){
  .founder{ grid-template-columns:1fr; gap:26px; }
  .founder__media{ position:static; max-width:340px; }
}

/* ============================================================
   PROJECT / SCENARIO CARDS (progetti)
   ============================================================ */
.pgrid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
  perspective:1100px;
}
.pcard{ background:var(--ink-2); padding:clamp(30px,3.4vw,52px); transition:background .35s, transform .4s cubic-bezier(.22,1,.36,1); position:relative; transform-style:preserve-3d; }
.pcard::before{
  content:""; position:absolute; left:0; top:0; width:2px; height:0; background:var(--accent);
  transition:height .4s cubic-bezier(.22,1,.36,1);
}
.pcard:hover{ background:var(--ink-3); }
.pcard:hover::before{ height:100%; }
.pcard__top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:28px; }
.pcard__n{ font-family:var(--mono); font-size:14px; color:var(--accent); }
.pcard__ic{ width:42px; height:42px; border:1px solid var(--line-2); border-radius:50%;
  display:flex; align-items:center; justify-content:center; color:var(--accent); transition:border-color .3s; }
.pcard:hover .pcard__ic{ border-color:var(--accent); }
.pcard__tag{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--on-dim); }
.pcard__t{ font-family:var(--disp); font-weight:700; font-size:clamp(20px,2.2vw,28px); color:#fff; letter-spacing:-.02em; margin:10px 0 16px; line-height:1.12; }
.pcard__d{ font-size:15px; color:var(--on-dim); line-height:1.68; max-width:46ch; }

/* ============================================================
   STEP LIST (approccio)
   ============================================================ */
.steps{ list-style:none; }
.steps li{ display:grid; grid-template-columns:auto 1fr; gap:22px; padding:26px 0; border-top:1px solid var(--line); }
.steps li:last-child{ border-bottom:1px solid var(--line); }
.steps .step__n{ font-family:var(--mono); font-size:13px; color:var(--accent); padding-top:4px; }
.steps h3{ font-family:var(--disp); font-weight:500; font-size:clamp(18px,2vw,24px); color:#fff; margin-bottom:8px; letter-spacing:-.01em; }
.steps p{ font-size:15px; color:var(--on-dim); line-height:1.65; max-width:60ch; }
/* steps inside the light "method" section need dark text */
.method .steps li{ border-color:rgba(12,14,19,.12); }
.method .steps .step__n{ color:var(--accent-deep); }
.method .steps h3{ color:var(--ink); }
.method .steps p{ color:#4a5160; }

/* ============================================================
   NOTA STRATEGICA (editorial callout)
   ============================================================ */
.snote{
  padding:clamp(28px,4vw,48px) clamp(26px,4vw,52px);
  background:var(--ink-2); border:1px solid var(--line); border-left:3px solid var(--accent);
  display:grid; grid-template-columns:auto 1fr; gap:clamp(24px,4vw,54px); align-items:start;
}
.snote__k{
  font-family:var(--mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--accent); padding-top:7px; white-space:nowrap;
}
.snote__p{
  font-family:var(--disp); font-weight:500; font-size:clamp(18px,2.2vw,26px);
  line-height:1.44; color:#fff; letter-spacing:-.01em; max-width:54ch;
}
@media (max-width:700px){ .snote{ grid-template-columns:1fr; gap:14px; } }

/* ============================================================
   CASE STUDY ANONIMI
   ============================================================ */
.cases{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.case{
  background:var(--ink-2); padding:clamp(28px,2.8vw,40px);
  display:flex; flex-direction:column; gap:18px; transition:background .35s;
}
.case:hover{ background:var(--ink-3); }
.case__n{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); }
.case__t{ font-family:var(--disp); font-weight:700; font-size:clamp(19px,1.9vw,23px); color:#fff; line-height:1.18; letter-spacing:-.02em; }
.case__rows{ display:flex; flex-direction:column; gap:15px; margin-top:2px; }
.case__row{ display:flex; flex-direction:column; gap:5px; padding-top:15px; border-top:1px solid var(--line); }
.case__k{ font-family:var(--mono); font-size:10.5px; letter-spacing:.15em; text-transform:uppercase; color:var(--accent-2); }
.case__row p{ font-size:14px; color:var(--on-dim); line-height:1.6; }
.case--end{ background:var(--ink-3); display:flex; flex-direction:column; }
.case--end .case__t{ margin-top:2px; }
.case__endp{ font-size:14px; color:var(--on-dim); line-height:1.6; margin-top:4px; }
.case__link{ margin-top:auto; padding-top:18px; font-family:var(--mono); font-size:12px; letter-spacing:.06em; color:var(--accent); text-decoration:none; }
.case__link:hover{ color:#fff; }
@media (max-width:960px){ .cases{ grid-template-columns:1fr; } }

/* --- METODO: le 4 fasi (framework) --- */
.mflow{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
  margin-top:clamp(28px,3vw,44px);
}
.mphase{ background:var(--ink-2); padding:clamp(24px,2.4vw,32px); display:flex; flex-direction:column; gap:13px; }
.mphase:hover{ background:var(--ink-3); }
.mphase__n{ font-family:var(--mono); font-size:12px; letter-spacing:.14em; color:var(--accent); }
.mphase__t{ font-family:var(--disp); font-weight:700; font-size:clamp(17px,1.5vw,20px); color:#fff; line-height:1.2; letter-spacing:-.01em; }
.mphase__d{ font-size:13.5px; color:var(--on-dim); line-height:1.6; }
.mphase__out{ margin-top:auto; padding-top:14px; border-top:1px solid var(--line); }
.mphase__outk{ font-family:var(--mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-2); display:block; margin-bottom:6px; }
.mphase__out p{ font-size:13px; color:var(--on-dark); line-height:1.5; }
@media (max-width:900px){ .mflow{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .mflow{ grid-template-columns:1fr; } }

/* --- METODO: esempio applicato (timeline A→Z) --- */
.wex{
  display:flex; flex-direction:column; gap:1px;
  background:var(--line); border:1px solid var(--line);
  margin-top:clamp(24px,2.6vw,36px);
}
.wstep{
  background:var(--ink-2); padding:clamp(24px,3vw,40px);
  display:grid; grid-template-columns:auto 1fr; gap:clamp(20px,3vw,44px);
}
.wstep:hover{ background:var(--ink-3); }
.wstep__rail{ display:flex; flex-direction:column; gap:8px; min-width:96px; }
.wstep__n{ font-family:var(--disp); font-weight:700; font-size:clamp(30px,4vw,46px); color:var(--accent); line-height:1; letter-spacing:-.02em; }
.wstep__ph{ font-family:var(--mono); font-size:11px; letter-spacing:.13em; text-transform:uppercase; color:var(--on-dim); max-width:120px; line-height:1.4; }
.wstep__t{ font-family:var(--disp); font-weight:700; font-size:clamp(18px,1.7vw,22px); color:#fff; margin-bottom:18px; letter-spacing:-.01em; line-height:1.2; }
.wrows{ display:grid; grid-template-columns:1fr 1fr; gap:16px 30px; }
.wrow--full{ grid-column:1 / -1; }
.wrow__k{ font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-2); display:block; margin-bottom:6px; }
.wrow p{ font-size:14px; color:var(--on-dark); line-height:1.6; }
@media (max-width:720px){
  .wstep{ grid-template-columns:1fr; gap:14px; }
  .wstep__rail{ flex-direction:row; align-items:baseline; gap:14px; }
  .wstep__ph{ max-width:none; }
  .wrows{ grid-template-columns:1fr; }
}

/* ============================================================
   PILLARS (chi siamo)
   ============================================================ */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,2.5vw,36px); }
.pillar{ border:1px solid var(--line); padding:clamp(28px,3vw,44px); transition:border-color .35s, transform .35s; }
.pillar:hover{ border-color:var(--line-2); transform:translateY(-4px); }
.pillar__ic{ width:46px; height:46px; border:1px solid var(--line-2); border-radius:50%;
  display:flex; align-items:center; justify-content:center; color:var(--accent); margin-bottom:24px; }
.pillar__n{ font-family:var(--mono); font-size:12px; letter-spacing:.12em; color:var(--accent); text-transform:uppercase; }
.pillar h3{ font-family:var(--disp); font-weight:700; font-size:clamp(20px,2vw,26px); color:#fff; margin:12px 0 14px; letter-spacing:-.02em; }
.pillar p{ font-size:14.5px; color:var(--on-dim); line-height:1.7; }
.pillars--4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:1000px){ .pillars--4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .pillars--4{ grid-template-columns:1fr; } }

/* signature / regia tecnica */
.sig{ margin-top:24px; display:flex; flex-direction:column; gap:5px; }
.sig__name{ font-family:var(--disp); font-weight:500; font-size:clamp(18px,1.8vw,22px); color:#fff; letter-spacing:-.01em; }
.sig__role{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); }

/* ============================================================
   VISUAL BAND (full-bleed quote over photo)
   ============================================================ */
.vband{ position:relative; overflow:hidden; min-height:clamp(360px,42vw,520px); display:flex; align-items:center; }
.vband__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:brightness(.62) contrast(1.04); }
.vband__veil{ position:absolute; inset:0; background:linear-gradient(90deg, rgba(12,14,19,.85), rgba(12,14,19,.35)); }
.vband__in{ position:relative; z-index:2; max-width:var(--wrap); margin-inline:auto; padding:60px var(--pad); width:100%; }
.vband blockquote{ font-family:var(--disp); font-weight:500; font-size:clamp(22px,3.4vw,42px); line-height:1.1; letter-spacing:-.02em; color:#fff; max-width:18ch; }
.vband blockquote em{ font-style:normal; color:var(--accent); }
.vband cite{ display:block; margin-top:24px; font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--on-dim); font-style:normal; }

/* ============================================================
   FORM (contatti)
   ============================================================ */
.contact{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(40px,6vw,90px); align-items:start; }
.cinfo{ display:flex; flex-direction:column; gap:0; }
.cinfo__item{ padding:20px 0; border-top:1px solid var(--line); }
.cinfo__item:first-of-type{ border-top:none; }
.cinfo__k{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--on-dim); display:block; margin-bottom:8px; }
.cinfo__v{ font-size:16px; color:#fff; line-height:1.5; }
.cinfo__v a{ color:#fff; transition:color .25s; }
.cinfo__v a:hover{ color:var(--accent-2); }

.form{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:9px; }
.field--full{ grid-column:1 / -1; }
.field label{ font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--on-dim); }
.field input,.field select,.field textarea{
  background:var(--ink-2); border:1px solid var(--line-2); color:#fff;
  padding:14px 16px; font-family:var(--body); font-size:15px; border-radius:0;
  transition:border-color .25s, background .25s; width:100%;
}
.field textarea{ resize:vertical; min-height:140px; }
.field input::placeholder,.field textarea::placeholder{ color:#5a6373; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--accent); background:var(--ink-3); }
.field select{ appearance:none; cursor:pointer; }

/* privacy checkbox (required) */
.check{ display:flex; align-items:flex-start; gap:12px; cursor:pointer; font-size:13.5px; line-height:1.55; color:var(--on-dim); }
.check input{ position:absolute; opacity:0; width:0; height:0; }
.check__box{ flex:none; width:20px; height:20px; margin-top:1px; border:1px solid var(--line-2); background:var(--ink-2); position:relative; transition:border-color .2s, background .2s; }
.check__box::after{ content:""; position:absolute; left:6px; top:2.5px; width:5px; height:10px; border:solid var(--ink); border-width:0 2px 2px 0; transform:rotate(45deg) scale(0); transition:transform .18s cubic-bezier(.22,1,.36,1); }
.check input:checked + .check__box{ background:var(--accent); border-color:var(--accent); }
.check input:checked + .check__box::after{ transform:rotate(45deg) scale(1); }
.check input:focus-visible + .check__box{ outline:2px solid var(--accent-2); outline-offset:3px; }
.check a{ color:var(--accent); border-bottom:1px solid transparent; transition:border-color .2s, color .2s; }
.check a:hover{ color:var(--accent-2); border-bottom-color:var(--accent-2); }
.check em{ color:var(--accent); font-style:normal; }
.check__err{ display:none; margin-top:10px; font-family:var(--mono); font-size:12px; letter-spacing:.02em; color:#ff7a7a; }
.field.is-error .check__box{ border-color:#ff7a7a; }
.field.is-error .check__err{ display:block; }

/* centered section head helper */
.section__head--center{ text-align:center; }
.section__head--center .h2{ margin-inline:auto; }
.section__head--center .lead{ margin-inline:auto; }

/* ============================================================
   RESPONSIVE — new components
   ============================================================ */
@media (max-width:1000px){
  .acc__inner{ grid-template-columns:1fr; gap:18px; }
  .pgrid{ grid-template-columns:1fr; }
  .pillars{ grid-template-columns:1fr; }
  .contact{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  .form{ grid-template-columns:1fr; }
  .phero h1{ font-size:clamp(28px,8.5vw,42px); }
  .acc__head{ grid-template-columns:auto 1fr auto; gap:14px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .marquee__row{ animation:none; }
  [data-reveal]{ opacity:1; transform:none; filter:none; }
  [data-rise]{ opacity:1; transform:none; }
  .hero__h1 .line__in{ transform:none !important; }
  .reveal-clip img{ clip-path:none !important; transform:none !important; }
  .hero__ambient{ display:none; }
  .s-bus,.s-line,.s-node,.s-ground line{ stroke-dashoffset:0; }
  .s-spark{ display:none; }
}

/* ============================================================
   CUSTOM CURSOR — node + lagging ring (the "probe")
   ============================================================ */
.cur-dot, .cur-ring{
  position:fixed; left:0; top:0; pointer-events:none; z-index:9999;
  border-radius:50%; will-change:transform;
}
.cur-dot{ width:6px; height:6px; margin:-3px 0 0 -3px; background:var(--accent); }
.cur-ring{
  width:34px; height:34px; margin:-17px 0 0 -17px;
  border:1px solid var(--accent);
  transition:width .25s, height .25s, margin .25s, background-color .25s, border-color .25s, opacity .25s;
}
.cur-ring.is-hover{
  width:56px; height:56px; margin:-28px 0 0 -28px;
  background:color-mix(in srgb, var(--accent) 12%, transparent);
  border-color:var(--accent-2);
}
.cur-ring.is-down{ width:24px; height:24px; margin:-12px 0 0 -12px; }
.cur-hide{ opacity:0 !important; }
@media (hover:hover) and (pointer:fine){
  html.has-cursor, html.has-cursor *{ cursor:none !important; }
  html.has-cursor input, html.has-cursor textarea, html.has-cursor select{ cursor:auto !important; }
}

/* ============================================================
   DECORATIVE GRAPHICS — blueprint "sheet" texture + registration marks
   Faint, subject-grounded (drafting sheets), never above content.
   ============================================================ */
.deco-sheet{ position:relative; }
.deco-sheet::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(120% 100% at 88% 6%, #000 8%, transparent 68%);
          mask-image:radial-gradient(120% 100% at 88% 6%, #000 8%, transparent 68%);
}
.deco-sheet > *{ position:relative; z-index:1; }

/* registration brackets on the contact card */
.cta__card{ position:relative; }
.cta__card::before, .cta__card::after{
  content:""; position:absolute; width:12px; height:12px; pointer-events:none; opacity:.6;
}
.cta__card::before{ top:12px; left:12px; border-top:1px solid var(--accent); border-left:1px solid var(--accent); }
.cta__card::after{ bottom:12px; right:12px; border-bottom:1px solid var(--accent); border-right:1px solid var(--accent); }

/* ============================================================
   UPLOADED GRAPHICS — light line-art tuned to the dark UI
   invert+hue-rotate restores the blue accent; screen drops the light bg
   ============================================================ */
.gfx{ display:block; pointer-events:none; }
.gfx--dark{
  filter:invert(1) hue-rotate(180deg) brightness(1.04) contrast(1.3);
  mix-blend-mode:screen;
  /* feather every edge → the template's filled background never reads as a box */
  -webkit-mask-image:radial-gradient(72% 72% at 50% 50%, #000 36%, rgba(0,0,0,.42) 66%, transparent 92%);
          mask-image:radial-gradient(72% 72% at 50% 50%, #000 36%, rgba(0,0,0,.42) 66%, transparent 92%);
}

/* horizontal circuit-trace divider between sections */
.trace-band{ width:100%; padding:clamp(14px,3.5vw,52px) var(--pad); display:flex; justify-content:center; overflow:hidden; }
.trace-band img{ width:min(660px,92%); height:auto; opacity:.8; }

/* circular network graphic in subpage headers */
.phero__gfx{ position:absolute; right:clamp(-60px,-1vw,0px); top:50%; transform:translateY(-50%); width:min(440px,44vw); z-index:1; pointer-events:none; }
.phero__gfx img{ width:100%; height:auto; opacity:.45; }
@media (max-width:900px){ .phero__gfx{ display:none; } }

/* full-width blueprint backdrop for the page hero */
.phero__bg{ position:absolute; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
.phero__bg img{
  width:100%; height:100%; object-fit:cover; object-position:58% center;
  opacity:.25;
  /* white (grayscale) + softer, more diffused look */
  filter:invert(1) grayscale(1) brightness(1.14) contrast(1.02) blur(.5px);
  -webkit-mask-image:radial-gradient(115% 115% at 60% 42%, #000 26%, transparent 92%);
          mask-image:radial-gradient(115% 115% at 60% 42%, #000 26%, transparent 92%);
}

/* full-section graphic backdrops (frame / corners / vertical trace) */
.gfx-bg{ position:relative; overflow:hidden; }
.gfx-bg > .wrap{ position:relative; z-index:1; }
.gfx-bg__layer{ position:absolute; inset:0; z-index:0; pointer-events:none; display:flex; align-items:center; justify-content:center; }
.gfx-bg__layer img{ width:100%; height:100%; object-fit:cover; opacity:.4; }
.gfx-bg--contain .gfx-bg__layer{ padding:clamp(20px,4vw,60px); }
.gfx-bg--contain .gfx-bg__layer img{ object-fit:contain; opacity:.5; }
.gfx-bg--vert .gfx-bg__layer{ justify-content:flex-end; }
.gfx-bg--vert .gfx-bg__layer img{
  width:auto; height:112%; object-fit:contain; opacity:.3;
  filter:invert(1) hue-rotate(180deg) brightness(1.05) contrast(1.5);
  /* soft radial feather on ALL sides → no straight edges, no rectangle */
  -webkit-mask-image:radial-gradient(78% 80% at 100% 50%, #000 20%, rgba(0,0,0,.4) 52%, transparent 84%);
          mask-image:radial-gradient(78% 80% at 100% 50%, #000 20%, rgba(0,0,0,.4) 52%, transparent 84%);
}
@media (max-width:700px){ .gfx-bg--vert .gfx-bg__layer{ display:none; } }

/* subtle texture (Il ritorno): faint center glow that fades to the bg — no visible panel */
.value .gfx-bg__layer img{
  opacity:.1;
  -webkit-mask-image:radial-gradient(105% 80% at 50% 42%, #000 18%, transparent 74%);
          mask-image:radial-gradient(105% 80% at 50% 42%, #000 18%, transparent 74%);
}

/* circular network graphic beside the VOLTA head */
.identity__head{ display:grid; grid-template-columns:1.35fr .65fr; gap:clamp(30px,5vw,64px); align-items:center; max-width:none; }
.identity__copy{ max-width:56ch; }
.identity__gfx{ justify-self:end; width:min(330px,100%); }
.identity__gfx img{ width:100%; height:auto; opacity:.66; }

/* paper texture on the light "method" sections */
.method{ background-image:url("images/gfx-texture.png"); background-size:cover; background-position:center; background-blend-mode:multiply; }

@media (max-width:1000px){
  .identity__head{ grid-template-columns:1fr; }
  .identity__gfx{ justify-self:start; width:min(260px,68%); }
}