/* =============================================================
   Progettazione elettrica — pagina dedicata (namespace .pel-)
   Isolata: non usa service-redesign-* / ee-* (pagina riscritta 2026-09-05).
   Modello di riferimento: macchine-su-misura.css (famiglia visiva),
   con linguaggio "CAD" proprio di questa pagina.
   ============================================================= */

.page-pel {
  --pel-ink: var(--corp-navy);
  --pel-soft: var(--corp-secondary);
  --pel-muted: var(--corp-muted);
  --pel-line: rgba(15, 23, 42, 0.1);
  --pel-accent: #2563eb;
  --pel-accent-deep: #1e3a8a;
  --pel-dark: #070c16;
  --pel-radius: 22px;
  --pel-radius-sm: 14px;
  --pel-shadow: 0 30px 70px -34px rgba(15, 23, 42, 0.42);
  --pel-pad: clamp(64px, 8vw, 120px);
  --pel-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* palette CAD (fedele allo schermo dell'ufficio tecnico, ma calibrata) */
  --cad-bg: #070b12;
  --cad-cyan: #67e8f9;
  --cad-red: #f87171;
}

/* .page-home-corporate impone main{overflow:hidden} → romperebbe sticky.
   overflow-x:clip taglia l'orizzontale senza creare scroll container. */
body.page-pel main {
  overflow-x: clip;
  overflow-y: visible;
  background: #ffffff;
}

.pel-wrap {
  width: min(100% - 40px, var(--max-width, 1200px));
  margin-inline: auto;
}

.pel-eyebrow {
  margin: 0;
  color: var(--pel-accent-deep);
  font-size: var(--fs-eyebrow);
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.pel-h2 {
  margin: 0.4em 0 0;
  color: var(--pel-ink);
  font-size: var(--fs-h2);
  font-weight: 780;
  letter-spacing: -0.035em;
  line-height: 1.04;
  text-wrap: balance;
}

.pel-lead {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--pel-soft);
  font-size: var(--fs-lead);
  line-height: 1.6;
}

/* ---------- reveal ---------- */
.pel-rv {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.pel-rv.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .pel-rv { opacity: 1; transform: none; transition: none; }
}

/* =============================================================
   1. HERO — prima il titolo, poi il foglio
   Il titolo occupa la prima schermata e se ne va scorrendo;
   il disegno resta agganciato dietro e si completa dopo.
   ============================================================= */
.pel-hero {
  /* Agganciato al token globale: la barra e' passata a 50px (54 su
     telefono) e un valore fisso qui sfalsa palchi sticky e altezze. */
  --pel-nav: var(--nav-height, 50px);
  position: relative;
  height: 340vh;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 40%, #ffffff 100%);
}

/* il piano del disegno: resta fermo mentre la pagina scorre */
.pel-hero__layer {
  /* la testa del segnale arriva da fuori foglio: la finestra la ritaglia,
     così su Safari < 16 (niente overflow:clip su main) non nasce scroll orizzontale */
  overflow: hidden;
  position: sticky;
  top: var(--pel-nav);
  height: calc(100vh - var(--pel-nav));
  height: calc(100svh - var(--pel-nav));
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 2.5vh, 34px) clamp(16px, 3vw, 48px);
}
.pel-paper__svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* la prima schermata: solo il titolo, con spazio attorno */
.pel-hero__screen {
  position: absolute;
  inset: 0 0 auto 0;
  height: calc(100vh - var(--pel-nav));
  height: calc(100svh - var(--pel-nav));
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  pointer-events: none;
}
.pel-hero__copy {
  pointer-events: auto;
  /* alone appena accennato: il titolo resta leggibile ma le linee si vedono */
  background: radial-gradient(52% 54% at 50% 46%, rgba(255, 255, 255, 0.82) 30%, rgba(255, 255, 255, 0) 100%);
}

.pel-hero h1 {
  margin: 0.3em auto 0;
  max-width: 17ch;
  color: var(--pel-ink);
  font-size: clamp(2.7rem, 5.6vw, 5rem);
  font-weight: 790;
  letter-spacing: -0.05em;
  line-height: 0.99;
  text-wrap: balance;
}
.pel-hero__lead {
  margin: 24px auto 0;
  max-width: 56ch;
  color: var(--pel-soft);
  font-size: var(--fs-lead);
  line-height: 1.6;
}
.pel-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.pel-hero__reassure {
  margin: 16px 0 0;
  color: var(--pel-muted);
  font-size: var(--fs-caption);
}
.pel-hero__hint {
  margin: clamp(26px, 5vh, 54px) 0 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #94a3b8;
  font-family: var(--pel-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  transition: opacity 0.45s ease;
}
.pel-hero__hint svg { width: 12px; height: 12px; animation: pel-nudge 2.2s ease-in-out infinite; }
@keyframes pel-nudge {
  0%, 100% { transform: translateY(-1px); }
  50% { transform: translateY(2px); }
}
.pel-hero__layer.is-started ~ .pel-hero__screen .pel-hero__hint { opacity: 0; }

.pel-hero__note {
  margin: 26px auto 0;
  max-width: 74ch;
  color: var(--pel-muted);
  font-size: var(--fs-caption);
  line-height: 1.5;
  text-align: center;
}
.pel-hero__note a { color: var(--pel-accent); text-decoration: none; border-bottom: 1px solid rgba(37, 99, 235, 0.3); }
.pel-hero__note a:hover { border-bottom-color: currentColor; }

/* ---------- stato iniziale: invisibile finché non si scorre ---------- */
.pel-hero__layer.is-live [data-draw],
.pel-hero__layer.is-live [data-route]:not([data-static-dash]) {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.pel-hero__layer.is-live [data-fade],
.pel-hero__layer.is-live [data-route][data-static-dash] { opacity: 0; }
.pel-hero__layer.is-live [data-dir="-1"] { stroke-dashoffset: -1; }
.pel-hero__layer.is-live [data-node] { opacity: 0; }
.pel-paper__svg { transform-origin: 50% 50%; will-change: transform; }
/* testa del segnale: un tratto breve che percorre la connessione */
.pel-hero__layer.is-live [data-head] {
  stroke-dasharray: 0.055 1;
  stroke-dashoffset: 0.055;
  opacity: 0;
}
.pel-paper__svg text {
  /* la spaziatura la impone textLength: ogni scritta occupa lo spazio dell'originale */
  font-family: var(--pel-mono);
}
.pel-hero__layer [data-draw] { fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- le due linee già presenti all'apertura ---------- */
.pel-grid__seed { stroke-dasharray: 1; stroke-dashoffset: 1; }
.pel-hero__layer.is-live .pel-grid__seed {
  animation: pel-seed 1.4s 0.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.pel-hero__layer.is-live .pel-grid__seed--b { animation-delay: 0.55s; }
@keyframes pel-seed { to { stroke-dashoffset: 0; } }

/* ---------- la firma finale ---------- */
.pel-hero__layer.is-signed .pel-cad__logo { animation: pel-sign 1.6s ease-out; }
@keyframes pel-sign {
  0% { filter: none; }
  30% { filter: drop-shadow(0 0 9px rgba(21, 128, 61, 0.55)); }
  100% { filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  /* niente aggancio: prima il titolo, poi il foglio già completo */
  .pel-hero { height: auto; display: flex; flex-direction: column; }
  .pel-hero__screen { order: -1; }
  .pel-hero__layer { position: static; height: auto; padding-block: clamp(24px, 5vh, 60px); }
  .pel-hero__screen { position: static; height: auto; padding-block: clamp(48px, 9vh, 110px) 0; }
  .pel-hero__layer.is-live .pel-grid__seed,
  .pel-hero__layer.is-signed .pel-cad__logo { animation: none; }
  .pel-grid__seed { stroke-dashoffset: 0; }
  .pel-hero__hint { display: none; }
}

@media (max-width: 720px) {
  .pel-hero { height: 260vh; }
  .pel-hero__layer { padding-inline: 14px; }
  .pel-hero h1 { max-width: 14ch; }
  /* su schermo stretto il disegno è piccolo e pallido: l'alone non serve
     e coprirebbe le due linee dietro al titolo */
  .pel-hero__copy { background: none; }
}

/* =============================================================
   2. LINGUAGGIO COMUNE — righe sottili, indici in monospace,
   niente card decorative: la pagina si comporta come un foglio
   di commessa, non come una brochure.
   ============================================================= */
.page-pel {
  --pel-rule: rgba(15, 23, 42, 0.1);
  --pel-rule-strong: rgba(15, 23, 42, 0.2);
  --pel-tint: #f7fafd;
}

.service-detail-breadcrumb { padding-block: 10px 0; }

.pel-text-link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  color: var(--pel-accent);
  font-weight: 640;
  text-decoration: none;
  line-height: 1.5;
}
.pel-text-link:hover { text-decoration: underline; text-underline-offset: 5px; }

.page-pel :is(a, button, summary):focus-visible {
  outline: 3px solid var(--pel-accent);
  outline-offset: 5px;
  border-radius: 3px;
}
.page-pel section[id], .page-pel [id="set-reale"] { scroll-margin-top: 88px; }

/* intestazione di sezione: sempre la stessa struttura, mai la stessa lunghezza */
.pel-head { max-width: min(100%, 880px); }
.pel-head .pel-lead { max-width: 56ch; }

/* indice di posizione: le sezioni si numerano come si numerano i fogli */
.pel-num {
  display: block;
  color: var(--pel-accent);
  font: 650 0.8rem/1 var(--pel-mono);
  letter-spacing: 0.08em;
}
.pel-zone {
  display: block;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--pel-accent);
  color: var(--pel-accent);
  font: 650 0.95rem/1 var(--pel-mono);
  letter-spacing: 0.12em;
}

/* riferimento di commessa: la riga che collega la pagina a un documento reale */
.pel-ref {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  color: var(--pel-muted);
  font: 500 0.78rem/1.4 var(--pel-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pel-ref i {
  width: 3px;
  height: 3px;
  background: currentColor;
  opacity: 0.55;
}
.pel-ref--dark { color: #8ea0b8; }

/* =============================================================
   4. PUNTI DI PARTENZA — "vi occupate di progetti come il mio?"
   Tre situazioni reali, ciascuna con quello che torna indietro.
   ============================================================= */
.pel-starts { background: var(--pel-tint); border-block: 1px solid var(--pel-rule); }
.pel-starts__list {
  margin: clamp(34px, 5vw, 58px) 0 0;
  padding: 0;
  list-style: none;
}
.pel-start-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(20px, 3.6vw, 56px);
  align-items: start;
  padding: clamp(26px, 3.4vw, 40px) 0;
  border-top: 1px solid var(--pel-rule-strong);
}
.pel-start-row:last-child { border-bottom: 1px solid var(--pel-rule-strong); }
.pel-start-row__case h3 {
  margin: 0;
  color: var(--pel-ink);
  font-size: clamp(1.3rem, 2.3vw, 1.85rem);
  font-weight: 740;
  letter-spacing: -0.028em;
  line-height: 1.2;
}
.pel-start-row__case p {
  margin: 14px 0 0;
  max-width: 46ch;
  color: var(--pel-soft);
  font-size: var(--fs-body);
  line-height: 1.68;
}
.pel-start-row__out {
  padding-left: clamp(18px, 2.4vw, 30px);
  border-left: 2px solid var(--pel-accent);
}
.pel-start-row__out span {
  display: block;
  margin-bottom: 8px;
  color: var(--pel-muted);
  font: 500 0.74rem/1.4 var(--pel-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.pel-start-row__out p {
  margin: 0;
  color: var(--pel-ink);
  font-size: var(--fs-body);
  font-weight: 620;
  line-height: 1.6;
}

.pel-context {
  margin-top: clamp(34px, 4.6vw, 56px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px clamp(26px, 4.4vw, 64px);
}
.pel-context__label {
  margin: 0 0 16px;
  color: var(--pel-muted);
  font: 500 0.74rem/1.4 var(--pel-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.pel-tags {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.pel-tags a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--pel-rule-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--pel-ink);
  font-size: var(--fs-caption);
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.pel-tags a:hover { border-color: var(--pel-accent); color: var(--pel-accent-deep); }
.pel-cases { margin: 0; padding: 0; list-style: none; }
.pel-cases li { border-top: 1px solid var(--pel-rule); }
.pel-cases li:last-child { border-bottom: 1px solid var(--pel-rule); }
.pel-cases a {
  display: block;
  padding: 15px 0;
  text-decoration: none;
}
.pel-cases b {
  display: block;
  color: var(--pel-ink);
  font-size: var(--fs-body);
  font-weight: 680;
  letter-spacing: -0.012em;
}
.pel-cases span {
  display: block;
  margin-top: 4px;
  color: var(--pel-muted);
  font-size: var(--fs-caption);
}
.pel-cases a:hover b { color: var(--pel-accent-deep); text-decoration: underline; text-underline-offset: 4px; }

/* =============================================================
   5. IL VANTAGGIO — progetto e officina nello stesso stabilimento
   ============================================================= */
.pel-why__criteria {
  margin-top: clamp(34px, 5vw, 58px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--pel-rule-strong);
}
.pel-criterion {
  padding: 26px clamp(16px, 2.2vw, 32px) 0 0;
  border-right: 1px solid var(--pel-rule);
}
.pel-criterion:last-child { border-right: 0; padding-right: 0; }
.pel-criterion + .pel-criterion { padding-left: clamp(16px, 2.2vw, 32px); }
.pel-criterion h3 {
  margin: 16px 0 0;
  color: var(--pel-ink);
  font-size: clamp(1.12rem, 1.7vw, 1.32rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.pel-criterion p {
  margin: 12px 0 0;
  color: var(--pel-soft);
  font-size: var(--fs-body);
  line-height: 1.68;
}

.pel-why__pair {
  margin-top: clamp(34px, 5vw, 60px);
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 20px;
}
.pel-why__pair figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--pel-radius);
  background: var(--pel-dark);
}
.pel-why__pair img { display: block; width: 100%; height: 430px; object-fit: cover; }
.pel-why__pair figure:first-child img { object-position: center 40%; }
.pel-why__pair figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 66px 28px 26px;
  color: #fff;
  background: linear-gradient(transparent, rgba(7, 12, 22, 0.92));
}
.pel-why__pair figcaption span {
  display: block;
  margin-bottom: 7px;
  color: #cbd5e1;
  font: 500 0.76rem/1.4 var(--pel-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pel-why__pair figcaption strong {
  font-size: clamp(1.05rem, 1.7vw, 1.34rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.pel-why__foot {
  margin: 26px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--pel-rule);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  color: var(--pel-muted);
  font-size: var(--fs-body);
}

/* =============================================================
   6. LA PROVA — foglio 194, verifica termica CEI IEC/TR 60890.
   Fondo scuro come lo schermo del CAD da cui il foglio proviene:
   è l'unico momento nero della pagina, e serve a fermare la lettura.
   ============================================================= */
.pel-proof {
  color: #e2e8f0;
  background-color: var(--cad-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 46px 46px, 46px 46px;
}
.pel-proof__head { max-width: 66ch; }
.pel-proof h2 {
  margin: 0.4em 0 0;
  color: #fff;
  font-size: var(--fs-h2);
  font-weight: 780;
  letter-spacing: -0.035em;
  line-height: 1.04;
}
.pel-proof__lead {
  margin: 20px 0 0;
  max-width: 58ch;
  color: #b6c3d4;
  font-size: var(--fs-lead);
  line-height: 1.65;
}
.pel-proof__lead b { color: #fff; font-weight: 700; }

.pel-proof__body {
  margin-top: clamp(34px, 5vw, 58px);
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: clamp(28px, 4.4vw, 64px);
  align-items: start;
}
.pel-proof__subtitle {
  margin: 0 0 4px;
  color: #8ea0b8;
  font: 500 0.74rem/1.4 var(--pel-mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.pel-readout { margin: 0; }
.pel-readout > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.pel-readout dt { color: #9fb0c6; font-size: var(--fs-caption); line-height: 1.45; }
.pel-readout dd {
  margin: 0;
  color: #fff;
  font: 600 1.02rem/1 var(--pel-mono);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.pel-readout dd i { color: #8ea0b8; font-style: normal; font-size: 0.82em; }

/* il grafico: due barre e una soglia. Serve a rendere immediato
   il salto fra "senza calcolo" e "con calcolo", non a decorare. */
.pel-chart { margin: clamp(28px, 3.6vw, 40px) 0 0; }
.pel-chart figcaption {
  color: #cbd5e1;
  font-size: var(--fs-caption);
  font-weight: 620;
  line-height: 1.5;
}
.pel-chart__plot { position: relative; margin-top: 22px; padding-top: 26px; }
.pel-chart__limit {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 26px;
  left: var(--at);
  width: 0;
  border-left: 1px dashed rgba(226, 232, 240, 0.55);
}
.pel-chart__limit span {
  position: absolute;
  top: 0;
  left: 8px;
  white-space: nowrap;
  color: #cbd5e1;
  font: 500 0.7rem/1 var(--pel-mono);
  letter-spacing: 0.04em;
}
.pel-chart__row + .pel-chart__row { margin-top: 16px; }
.pel-chart__name {
  margin: 0 0 7px;
  color: #b6c3d4;
  font-size: var(--fs-caption);
  line-height: 1.4;
}
.pel-chart__track {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 12px;
}
.pel-chart__bar {
  display: block;
  width: var(--w);
  height: 12px;
  border-radius: 0 4px 4px 0;
}
.pel-chart__bar--over { background: var(--cad-red); }
.pel-chart__bar--ok { background: var(--cad-cyan); }
.pel-chart__value {
  color: #fff;
  font: 650 0.9rem/1 var(--pel-mono);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.pel-chart__axis {
  margin-top: 14px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  justify-content: space-between;
  color: #7f8fa6;
  font: 500 0.7rem/1 var(--pel-mono);
}
.pel-chart__note {
  margin: 14px 0 0;
  color: #7f8fa6;
  font-size: var(--fs-micro);
  line-height: 1.55;
}

.pel-proof__sheet > a {
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--pel-radius-sm);
  overflow: hidden;
  background: #000;
  color: #fff;
  text-decoration: none;
}
.pel-proof__sheet img { display: block; width: 100%; height: auto; }
.pel-proof__sheet > a > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: var(--fs-caption);
  font-weight: 640;
}
.pel-proof__sheet > a:hover > span { color: var(--cad-cyan); }
.pel-proof__conclusion {
  margin: 24px 0 0;
  color: #c8d4e3;
  font-size: var(--fs-body);
  line-height: 1.72;
}
.pel-proof__conclusion b { color: #fff; font-weight: 700; }
.pel-proof__caveat {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #8ea0b8;
  font-size: var(--fs-caption);
  line-height: 1.6;
}

.pel-proof__cta {
  margin-top: clamp(36px, 5vw, 58px);
  padding-top: clamp(26px, 3vw, 36px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px clamp(20px, 3vw, 40px);
}
.pel-proof__cta p {
  flex: 1 1 340px;
  margin: 0;
  color: #dbe3ee;
  font-size: var(--fs-lead);
  line-height: 1.55;
}
.pel-proof__ctaNote { color: #8ea0b8; font-size: var(--fs-caption); }
.pel-proof__bridge {
  margin: clamp(30px, 4vw, 44px) 0 0;
  color: var(--cad-cyan);
  font-size: var(--fs-body);
  font-weight: 620;
  line-height: 1.6;
}
.pel-proof__bridge span { margin-left: 8px; }

/* =============================================================
   7. TRACCIABILITÀ — una sigla seguita su cinque supporti reali
   (sezione preservata: identità, contenuto e comportamento invariati)
   Il conduttore che attraversa la sezione è rosso perché RD è il
   colore vero del filo -SH5 sul foglio 182: si riempie con lo
   scroll e accende una tappa alla volta.
   ============================================================= */
.pel-trace {
  --pel-rd: #dc2626;
  background: linear-gradient(180deg, #ffffff, #f6f9fc 46%, #ffffff);
}

.pel-trace__layout {
  display: grid;
  grid-template-columns: 344px minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 68px);
  align-items: start;
}

/* --- il nome resta fermo mentre le tappe scorrono --- */
.pel-trace__aside { position: sticky; top: 96px; }

.pel-trace__spec {
  margin: clamp(24px, 2.6vw, 34px) 0 0;
  padding: 20px 22px 8px;
  border: 1px solid var(--pel-line);
  border-radius: var(--pel-radius-sm);
  background: #ffffff;
  box-shadow: 0 22px 46px -34px rgba(15, 23, 42, 0.55);
}
.pel-trace__specLabel {
  font-family: var(--pel-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pel-muted);
}
/* la riga rossa sotto la sigla è il punto in cui il filo parte */
.pel-trace__specCode {
  display: block;
  margin: 12px 0 0;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--pel-rd);
  font-family: var(--pel-mono);
  font-size: clamp(2rem, 3.2vw, 2.55rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--pel-ink);
}
.pel-trace__specList { margin: 0; }
.pel-trace__specList > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.07);
}
.pel-trace__specList > div:last-child { border-bottom: 0; }
.pel-trace__specList dt {
  color: var(--pel-muted);
  font-size: var(--fs-caption);
}
.pel-trace__specList dd {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-family: var(--pel-mono);
  font-size: var(--fs-caption);
  color: var(--pel-ink);
}
.pel-trace__swatch {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--pel-rd);
}

/* --- il conduttore --- */
.pel-trace__track {
  --gut: 68px;
  --rail: 22px;
  --stn-pad: clamp(20px, 2.2vw, 30px);
  position: relative;
}
.pel-trace__list {
  margin: 0;
  padding: 0 0 0 var(--gut);
  list-style: none;
}
.pel-trace__wire {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--rail) - 1px);
  width: 2px;
}
/* la maschera sfuma le due estremità: il filo entra e esce dalla sezione,
   non comincia e finisce di netto (la testa resta fuori, così non la ritaglia) */
.pel-trace__wireLine {
  position: absolute;
  inset: 0;
  border-radius: 2px;
  background: rgba(15, 23, 42, 0.13);
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 5%, #000 94%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0, #000 5%, #000 94%, transparent 100%);
}
.pel-trace__wireFill {
  position: absolute;
  inset: 0;
  border-radius: 2px;
  background: var(--pel-rd);
  transform: scaleY(var(--fill, 1));
  transform-origin: top center;
}
.pel-trace__wireHead {
  position: absolute;
  top: 0;
  left: 50%;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--pel-rd);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.14), 0 0 14px rgba(220, 38, 38, 0.55);
  opacity: 0;
  transform: translateY(calc(var(--fill, 0) * var(--trace-h, 0px)));
  transition: opacity 0.45s ease;
}
.pel-trace__track.is-armed .pel-trace__wireHead { opacity: 1; }
.pel-trace__track.is-done .pel-trace__wireHead { opacity: 0; }

/* --- le tappe --- */
.pel-stn {
  position: relative;
  display: grid;
  grid-template-columns: 192px minmax(0, 1fr);
  gap: clamp(18px, 2vw, 28px);
  align-items: center;
  padding-block: var(--stn-pad);
}
.pel-stn + .pel-stn { border-top: 1px solid rgba(15, 23, 42, 0.07); }
.pel-stn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: calc(var(--rail) - var(--gut) - 7px);
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid rgba(15, 23, 42, 0.16);
  transition: border-color 0.45s ease, box-shadow 0.45s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.pel-stn.is-lit::before {
  border-color: var(--pel-rd);
  box-shadow: 0 0 0 5px rgba(220, 38, 38, 0.12);
  transform: scale(1.14);
}
/* lo stato spento vive solo se il JS ha armato la sezione */
.pel-trace__track.is-armed .pel-stn {
  opacity: 0.4;
  transform: translateY(12px);
  transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.pel-trace__track.is-armed .pel-stn.is-lit { opacity: 1; transform: none; }

.pel-stn__vis {
  margin: 0;
  border: 1px solid rgba(15, 23, 42, 0.11);
  border-radius: 12px;
  background: #ffffff;
  overflow: hidden;
  box-shadow: 0 14px 30px -24px rgba(15, 23, 42, 0.6);
}
.pel-stn__vis svg { display: block; width: 100%; height: auto; }
.pel-stn__vis text { font-family: var(--pel-mono); }

.pel-stn__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 10px;
}
.pel-stn__step {
  font-family: var(--pel-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--pel-muted);
}
.pel-stn__tag {
  padding: 3px 9px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.045);
  font-family: var(--pel-mono);
  font-size: var(--fs-micro);
  color: var(--pel-soft);
  white-space: nowrap;
}
.pel-stn h3 {
  margin: 0;
  color: var(--pel-ink);
  font-size: clamp(1.06rem, 1.4vw, 1.24rem);
  font-weight: 740;
  letter-spacing: -0.02em;
}
.pel-stn p {
  margin: 9px 0 0;
  max-width: 46ch;
  color: var(--pel-soft);
  font-size: var(--fs-caption);
  line-height: 1.6;
}

.pel-trace__note {
  margin: clamp(34px, 4vw, 54px) auto 0;
  max-width: 72ch;
  text-align: center;
  color: var(--pel-soft);
  font-size: var(--fs-lead);
  line-height: 1.6;
}
.pel-trace__note b { color: var(--pel-ink); font-weight: 760; }

@media (prefers-reduced-motion: reduce) {
  .pel-trace__wireFill { transform: scaleY(1); }
  .pel-trace__wireHead { display: none; }
  .pel-trace__track.is-armed .pel-stn { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 1080px) {
 .pel-trace__layout { grid-template-columns: minmax(0, 1fr); gap: clamp(26px, 3.4vw, 40px); }
 .pel-trace__aside { position: static; }
 .pel-trace__spec { max-width: 520px; }
}
@media (max-width: 720px) { .pel-wrap { width: min(100% - 32px, var(--max-width, 1200px)); } }
/* --- tappe in colonna: prima si legge, poi si guarda il reperto --- */
@media (max-width: 640px) {
  .pel-trace__track { --gut: 46px; --rail: 15px; --stn-pad: 22px; }
  .pel-stn { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .pel-stn__vis { order: 2; max-width: 440px; }
  /* il nodo si allinea alla riga di intestazione, non al centro della tappa */
  .pel-stn::before { top: calc(var(--stn-pad) + 11px); margin-top: -7px; }
  .pel-stn p { max-width: none; }
  .pel-trace__note { text-align: left; }
}
/* =============================================================
   8. IL DOSSIER — che cosa ricevi, ordinato per chi lo userà
   ============================================================= */
.pel-roles { margin: clamp(34px, 5vw, 56px) 0 0; padding: 0; list-style: none; }
.pel-role {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(22px, 4vw, 66px);
  align-items: start;
  padding: clamp(24px, 3vw, 34px) 0;
  border-top: 1px solid var(--pel-rule-strong);
}
.pel-role:last-child { border-bottom: 1px solid var(--pel-rule-strong); }
.pel-role__who h3 {
  margin: 14px 0 0;
  color: var(--pel-accent-deep);
  font-size: var(--fs-caption);
  font-weight: 720;
  letter-spacing: 0.01em;
}
.pel-role__q {
  margin: 8px 0 0;
  color: var(--pel-ink);
  font-size: clamp(1.24rem, 2.2vw, 1.72rem);
  font-weight: 720;
  letter-spacing: -0.028em;
  line-height: 1.24;
  text-wrap: balance;
}
.pel-role__what p {
  margin: 0;
  color: var(--pel-soft);
  font-size: var(--fs-body);
  line-height: 1.72;
}

.pel-chips {
  margin: clamp(26px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pel-chips li {
  padding: 7px 13px;
  border: 1px solid var(--pel-rule-strong);
  color: var(--pel-soft);
  font: 500 0.76rem/1.4 var(--pel-mono);
  letter-spacing: 0.03em;
}

.pel-sheets { margin-top: clamp(48px, 6.5vw, 88px); }
.pel-sheets__head { max-width: 62ch; }
.pel-sheets__head h3 {
  margin: 0;
  color: var(--pel-ink);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 760;
  letter-spacing: -0.03em;
  line-height: 1.14;
}
.pel-sheets__head p {
  margin: 16px 0 0;
  color: var(--pel-soft);
  font-size: var(--fs-lead);
  line-height: 1.65;
}
.pel-sheets__grid {
  margin-top: clamp(26px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.pel-sheet {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pel-rule);
  border-radius: var(--pel-radius);
  background: #fff;
}
.pel-sheet > a { display: block; position: relative; background: var(--cad-bg); color: #fff; text-decoration: none; }
.pel-sheet img { display: block; width: 100%; height: auto; aspect-ratio: 1139 / 779; object-fit: contain; }
.pel-sheet > a > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: var(--fs-caption);
  font-weight: 640;
}
.pel-sheet > a:hover > span { color: var(--cad-cyan); }
.pel-sheet figcaption { padding: 24px 26px 28px; }
.pel-sheet__ref {
  color: var(--pel-accent-deep);
  font: 500 0.74rem/1.4 var(--pel-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pel-sheet h4 {
  margin: 12px 0 10px;
  color: var(--pel-ink);
  font-size: 1.28rem;
  font-weight: 720;
  letter-spacing: -0.022em;
  line-height: 1.25;
}
.pel-sheet p { margin: 0; color: var(--pel-soft); font-size: var(--fs-body); line-height: 1.65; }

/* =============================================================
   9. IL PERCORSO — cinque passaggi, cosa dipende da cosa,
   e fin dove prosegue il lavoro che ci affidi.
   ============================================================= */
.pel-method { background: var(--pel-tint); border-block: 1px solid var(--pel-rule); }
.pel-steps {
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--pel-rule-strong);
}
.pel-step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px clamp(12px, 1.6vw, 22px) 0 0;
  border-right: 1px solid var(--pel-rule);
}
.pel-step:last-child { border-right: 0; padding-right: 0; }
.pel-step + .pel-step { padding-left: clamp(12px, 1.6vw, 22px); }
/* tacca sul filo superiore: il passaggio è un riferimento, non una tappa decorata */
.pel-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 26px;
  height: 3px;
  background: var(--pel-accent);
}
.pel-step + .pel-step::before { left: clamp(12px, 1.6vw, 22px); }
.pel-step h3 {
  margin: 12px 0 0;
  color: var(--pel-ink);
  font-size: 1.06rem;
  font-weight: 720;
  letter-spacing: -0.018em;
  line-height: 1.3;
}
.pel-step > p {
  margin: 10px 0 14px;
  color: var(--pel-soft);
  font-size: var(--fs-caption);
  line-height: 1.62;
}
.pel-step__you {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--pel-rule);
  color: var(--pel-ink) !important;
  font-weight: 600;
}
.pel-step__you span {
  display: block;
  margin-bottom: 3px;
  color: var(--pel-muted);
  font: 500 0.68rem/1.4 var(--pel-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.pel-drivers {
  margin-top: clamp(48px, 6vw, 82px);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 18px clamp(26px, 4.4vw, 66px);
  align-items: start;
}
.pel-drivers__intro h3 {
  margin: 0;
  color: var(--pel-ink);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 750;
  letter-spacing: -0.028em;
  line-height: 1.18;
}
.pel-drivers__intro p {
  margin: 14px 0 0;
  color: var(--pel-soft);
  font-size: var(--fs-body);
  line-height: 1.68;
}
.pel-drivers__list { margin: 0; }
.pel-drivers__list > div { padding: 16px 0; border-top: 1px solid var(--pel-rule); }
.pel-drivers__list > div:first-child { border-top: 1px solid var(--pel-rule-strong); }
.pel-drivers__list > div:last-child { border-bottom: 1px solid var(--pel-rule); }
.pel-drivers__list dt { color: var(--pel-ink); font-size: var(--fs-body); font-weight: 700; }
.pel-drivers__list dd {
  margin: 6px 0 0;
  color: var(--pel-soft);
  font-size: var(--fs-caption);
  line-height: 1.62;
}
.pel-drivers__note {
  grid-column: 2;
  margin: 18px 0 0;
  color: var(--pel-ink);
  font-size: var(--fs-body);
  font-weight: 620;
  line-height: 1.6;
}

.pel-scope { margin-top: clamp(46px, 6vw, 78px); }
.pel-scope h3 {
  margin: 0 0 20px;
  color: var(--pel-ink);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 750;
  letter-spacing: -0.026em;
}
.pel-scope__band {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.pel-scope__band > li { position: relative; }
.pel-scope__band > li > a,
.pel-scope__band > li.is-current {
  display: block;
  height: 100%;
  padding: 18px 20px;
  border: 1px solid var(--pel-rule-strong);
  border-radius: var(--pel-radius-sm);
  background: #fff;
  text-decoration: none;
}
.pel-scope__band > li.is-current {
  border-color: transparent;
  background: var(--pel-ink);
}
.pel-scope__band b {
  display: block;
  color: var(--pel-ink);
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}
.pel-scope__band span {
  display: block;
  margin-top: 5px;
  color: var(--pel-muted);
  font-size: var(--fs-caption);
}
.pel-scope__band > li.is-current b { color: #fff; }
.pel-scope__band > li.is-current span { color: #93a3b8; }
.pel-scope__band > li > a:hover { border-color: var(--pel-accent); }
.pel-scope__band > li > a:hover b { color: var(--pel-accent-deep); }
/* il segno di continuità fra un segmento e il successivo */
.pel-scope__band > li + li::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -10px;
  width: 10px;
  height: 1px;
  background: var(--pel-rule-strong);
}
.pel-scope > p {
  margin: 20px 0 0;
  max-width: 78ch;
  color: var(--pel-soft);
  font-size: var(--fs-body);
  line-height: 1.68;
}

/* =============================================================
   10. OBIEZIONI
   ============================================================= *

/* =============================================================
   11. IL PRIMO PASSO
   ============================================================= */
.pel-next { background: var(--pel-tint); border-top: 1px solid var(--pel-rule); }
.pel-next__panel {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 68px);
  padding: clamp(26px, 4vw, 54px);
  border: 1px solid var(--pel-rule);
  border-radius: var(--pel-radius);
  background: #fff;
  box-shadow: var(--pel-shadow);
}
.pel-next__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
}
.pel-next__phone { margin: 20px 0 0; color: var(--pel-muted); font-size: var(--fs-caption); }
.pel-next__phone a { color: var(--pel-accent-deep); white-space: nowrap; }
.pel-next__helps {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pel-rule);
  color: var(--pel-muted);
  font-size: var(--fs-caption);
  line-height: 1.6;
}
.pel-next__after {
  padding-left: clamp(22px, 3vw, 40px);
  border-left: 1px solid var(--pel-rule);
}
.pel-next__after h3 {
  margin: 0 0 22px;
  color: var(--pel-ink);
  font-size: 1.1rem;
  font-weight: 720;
  letter-spacing: -0.015em;
}
.pel-next__after ol { margin: 0; padding: 0; list-style: none; }
.pel-next__after li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid var(--pel-rule);
}
.pel-next__after li:first-child { padding-top: 0; margin-top: 0; border-top: 0; }
.pel-next__after li > span { color: var(--pel-accent); font: 600 0.8rem/1.5 var(--pel-mono); }
.pel-next__after strong { display: block; color: var(--pel-ink); font-size: var(--fs-body); font-weight: 700; line-height: 1.4; }
.pel-next__after p { margin: 5px 0 0; color: var(--pel-soft); font-size: var(--fs-caption); line-height: 1.58; }

/* =============================================================
   12. ADATTAMENTO — la stessa gerarchia, su schermi più stretti
   ============================================================= */
@media (max-width: 1080px) {
  .pel-context,
  .pel-drivers,
  .pel-next__panel { grid-template-columns: minmax(0, 1fr); }
  .pel-drivers__note { grid-column: 1; }
  .pel-proof__body { grid-template-columns: minmax(0, 1fr); }
  .pel-proof__sheet { max-width: 720px; }
  .pel-next__after { padding: 26px 0 0; border-left: 0; border-top: 1px solid var(--pel-rule); }

  /* i cinque passaggi diventano una lista: meglio leggibili che allineati */
  .pel-steps { grid-template-columns: minmax(0, 1fr); border-top: 0; }
  .pel-step {
    padding: 22px 0 22px 22px;
    border-right: 0;
    border-top: 1px solid var(--pel-rule);
  }
  .pel-step + .pel-step { padding-left: 22px; }
  .pel-step:last-child { border-bottom: 1px solid var(--pel-rule); }
  .pel-step::before { top: 22px; left: 0; width: 3px; height: 26px; }
  .pel-step + .pel-step::before { left: 0; }
  .pel-step h3 { margin-top: 8px; font-size: 1.14rem; }
  .pel-step > p { font-size: var(--fs-body); max-width: 70ch; }

  .pel-scope__band { grid-template-columns: 1fr 1fr; }
  .pel-scope__band > li:nth-child(3)::before { display: none; }
}

@media (max-width: 900px) {
  .pel-why__criteria { grid-template-columns: minmax(0, 1fr); border-top: 0; }
  .pel-criterion {
    padding: 22px 0;
    border-right: 0;
    border-top: 1px solid var(--pel-rule-strong);
  }
  .pel-criterion + .pel-criterion { padding-left: 0; }
  .pel-criterion:last-child { border-bottom: 1px solid var(--pel-rule-strong); }
  .pel-criterion h3 { margin-top: 10px; }

  .pel-start-row { grid-template-columns: 30px minmax(0, 1fr); gap: 16px 18px; }
  .pel-start-row__out { grid-column: 2; margin-top: 4px; }
  .pel-role { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .pel-sheets__grid, .pel-why__pair { grid-template-columns: minmax(0, 1fr); }
  .pel-why__pair img { height: 320px; }
}

@media (max-width: 640px) {
  .pel-scope__band { grid-template-columns: minmax(0, 1fr); }
  .pel-scope__band > li + li::before { top: -6px; left: 22px; width: 1px; height: 6px; }

  /* su schermo stretto il valore scende sotto la barra: sempre, non solo quando non ci sta */
  .pel-chart__track { flex-direction: column; align-items: flex-start; height: auto; gap: 7px; }
  .pel-chart__bar { min-width: 26px; }
  .pel-chart__limit { bottom: 44px; }
  .pel-proof__cta { display: block; }
  .pel-proof__cta .button { margin: 18px 0 10px; }

  .pel-sheet figcaption { padding: 20px 20px 24px; }
  .pel-next__panel { padding: 24px 20px; }
  .pel-next__actions { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-pel * { transition-duration: 0.01ms !important; }
}