/* RetiFuture – foglio di stile
   Concetto: la rete idrica come sistema vivo. Superfici chiare color acqua per leggere,
   sezioni "abisso" scure per tecnologia e dati, gradiente acqua→verde come firma,
   etichette in monospazio come letture di sensori. */

@font-face {
  font-family: "Lexend";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/lexend.woff2") format("woff2");
}

@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/sourcesans3.woff2") format("woff2");
}

@font-face {
  font-family: "Source Sans 3";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/sourcesans3-italic.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/ibmplexmono-500.woff2") format("woff2");
}

:root {
  /* Acqua profonda: sezioni tecnologiche */
  --abisso: #0c1830;
  --abisso-2: #12233f;
  --abisso-3: #1a3054;
  --testo-su-scuro: #d3dbe8;
  --tenue-su-scuro: #a9b6cc;
  /* Marchio */
  --blu: #182a50;
  --acqua: #1c767e;
  --acqua-luce: #5cc3c9;
  /* Green */
  --verde: #1d7a6b;
  --verde-luce: #9adbd3;
  /* Superfici chiare */
  --sfondo: #f3f6f9;
  --superficie: #ffffff;
  --superficie-2: #e8eef4;
  --testo: #111d33;
  --testo-tenue: #4b5870;
  --bordo: #d9e1ea;
  --bordo-scuro: rgba(169, 190, 220, 0.16);
  --avviso: #fff1c2;
  --avviso-testo: #6b4a00;

  --firma: linear-gradient(120deg, var(--acqua-luce) 0%, var(--verde-luce) 100%);
  --firma-scura: linear-gradient(120deg, var(--acqua) 0%, var(--verde) 100%);

  --font-titoli: "Lexend", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-testo: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-dati: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --raggio: 20px;
  --raggio-piccolo: 12px;
  --ombra: 0 18px 40px -18px rgba(12, 24, 48, 0.25);
  --larghezza: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --durata: 200ms;
}

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

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

body {
  margin: 0;
  font-family: var(--font-testo);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--testo);
  background: var(--sfondo);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--acqua);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--verde);
}

:focus-visible {
  outline: 3px solid var(--acqua-luce);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-titoli);
  line-height: 1.15;
  color: var(--blu);
  margin: 0 0 0.6em;
  letter-spacing: -0.02em;
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.3rem, 5.2vw, 4rem);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
}

h3 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

.contenitore {
  width: 100%;
  max-width: var(--larghezza);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.salta {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--acqua-luce);
  color: var(--abisso);
  padding: 10px 16px;
  z-index: 100;
}

.salta:focus {
  left: 10px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Segnaposto per dati ancora da fornire */
.ph {
  background: var(--avviso);
  color: var(--avviso-testo);
  border-radius: 4px;
  padding: 0 4px;
  font-style: normal;
}

/* ---------- Testata ---------- */

.testata {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--bordo);
}

.testata .contenitore {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 42px;
  width: auto;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--testo);
  font-family: var(--font-titoli);
  font-weight: 500;
  font-size: 0.92rem;
  white-space: nowrap;
  transition: background var(--durata), color var(--durata);
}

.nav a:hover {
  background: var(--superficie-2);
  color: var(--blu);
}

.nav a[aria-current="page"] {
  color: var(--acqua);
  box-shadow: inset 0 -2px 0 var(--acqua);
  border-radius: 10px 10px 0 0;
}

.nav .pulsante {
  margin-left: 10px;
}

.menu-toggle {
  display: none;
  min-height: 44px;
  background: none;
  border: 1px solid var(--bordo);
  border-radius: 12px;
  padding: 8px 16px;
  font: inherit;
  font-family: var(--font-titoli);
  font-weight: 500;
  color: var(--blu);
  cursor: pointer;
}

@media (max-width: 1140px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--superficie);
    border-bottom: 1px solid var(--bordo);
    box-shadow: var(--ombra);
  }

  .nav.aperto {
    display: block;
  }

  .nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 12px var(--gutter) 20px;
  }

  .nav a {
    padding: 12px;
  }

  .nav a[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--acqua);
    border-radius: 0 10px 10px 0;
  }

  .nav .pulsante {
    margin: 10px 0 0;
    text-align: center;
  }
}

/* ---------- Pulsanti ---------- */

.pulsante {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 24px;
  border-radius: 999px;
  font-family: var(--font-titoli);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--durata), box-shadow var(--durata), background var(--durata), color var(--durata);
}

.pulsante.primario,
.nav a.pulsante,
.banda-finale .pulsante {
  background: var(--firma);
  color: var(--abisso);
  box-shadow: 0 10px 24px -12px rgba(92, 195, 201, 0.8);
}

.pulsante.primario:hover,
.nav a.pulsante:hover,
.banda-finale .pulsante:hover {
  color: var(--abisso);
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -12px rgba(92, 195, 201, 0.9);
}

.pulsante.secondario {
  border-color: rgba(211, 219, 232, 0.5);
  color: var(--superficie);
}

.pulsante.secondario:hover {
  border-color: var(--acqua-luce);
  color: var(--acqua-luce);
}

.pulsante.contorno {
  border-color: var(--blu);
  color: var(--blu);
}

.pulsante.contorno:hover {
  background: var(--blu);
  color: var(--superficie);
}

.gruppo-pulsanti {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- Etichette "sensore" ---------- */

.occhiello {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-dati);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--acqua);
  margin-bottom: 14px;
}

.occhiello::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 18%, transparent);
  flex-shrink: 0;
}

.scheda .occhiello::before,
.anima .occhiello::before {
  display: none;
}

.hero .occhiello,
.intestazione-pagina .occhiello,
.sezione.scura .occhiello,
.anima .occhiello {
  color: var(--acqua-luce);
}

/* ---------- Hero ---------- */

.hero,
.intestazione-pagina {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 88% 0%, rgba(92, 195, 201, 0.18), transparent 60%),
    radial-gradient(700px 420px at 0% 100%, rgba(154, 219, 211, 0.12), transparent 60%),
    var(--abisso);
  color: var(--testo-su-scuro);
}

.hero {
  padding: clamp(56px, 9vw, 104px) 0 clamp(80px, 9vw, 112px);
}

.intestazione-pagina {
  padding: clamp(56px, 8vw, 88px) 0 0;
}

.rete-sfondo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: min(100%, 720px);
  z-index: -1;
  opacity: 0.85;
  pointer-events: none;
}

@media (max-width: 700px) {
  .rete-sfondo {
    opacity: 0.45;
  }
}

.rete-sfondo .condotta {
  fill: none;
  stroke: rgba(169, 190, 220, 0.18);
  stroke-width: 1.5;
}

.rete-sfondo .flusso {
  fill: none;
  stroke: url(#rete-grad);
  stroke-width: 2;
  stroke-dasharray: 4 18;
  animation: flusso 3.5s linear infinite;
}

.rete-sfondo .nodo {
  fill: var(--abisso);
  stroke: var(--acqua-luce);
  stroke-width: 2;
}

.rete-sfondo .nodo-attivo {
  fill: var(--verde-luce);
  transform-box: fill-box;
  transform-origin: center;
  animation: impulso 2.8s ease-out infinite;
}

.rete-sfondo .nodo-attivo:nth-of-type(2n) {
  animation-delay: 1.1s;
}

.rete-sfondo .nodo-attivo:nth-of-type(3n) {
  animation-delay: 1.9s;
}

@keyframes flusso {
  to {
    stroke-dashoffset: -44;
  }
}

@keyframes impulso {
  0% {
    opacity: 0.9;
    transform: scale(1);
  }
  70%,
  100% {
    opacity: 0;
    transform: scale(3.2);
  }
}

.hero h1,
.intestazione-pagina h1 {
  color: var(--superficie);
}

.hero h1 {
  max-width: 15ch;
}

.hero h1 .evidenza {
  display: block;
  background: var(--firma);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .sottotitolo {
  font-size: clamp(1.1rem, 1.6vw, 1.28rem);
  max-width: 60ch;
  color: var(--testo-su-scuro);
}

.pilastri {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.pilastri li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--bordo-scuro);
  border-radius: 999px;
  background: rgba(12, 24, 48, 0.82);
  backdrop-filter: blur(4px);
  position: relative;
  font-family: var(--font-dati);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--testo-su-scuro);
}

.pilastri svg {
  width: 16px;
  height: 16px;
  color: var(--acqua-luce);
}

.pilastri li:nth-child(2) svg {
  color: var(--verde-luce);
}

.hero-sezione {
  margin-top: clamp(40px, 6vw, 64px);
}

.intestazione-pagina h1 {
  max-width: 22ch;
}

.intestazione-pagina p {
  max-width: 62ch;
  font-size: 1.18rem;
}

.tracciato {
  display: block;
  width: 100%;
  height: 70px;
  margin-top: 40px;
}

.tracciato path:first-child {
  stroke: rgba(169, 190, 220, 0.2);
}

.tracciato path:last-child {
  stroke: var(--acqua-luce);
}

/* ---------- Sezioni ---------- */

.sezione {
  padding: clamp(64px, 9vw, 112px) 0;
}

.sezione.bianca {
  background: var(--superficie);
}

.sezione.scura {
  position: relative;
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(92, 195, 201, 0.12), transparent 60%),
    linear-gradient(180deg, var(--abisso-2), var(--abisso));
  color: var(--testo-su-scuro);
}

.sezione.scura::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(169, 190, 220, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 190, 220, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 85%);
  pointer-events: none;
}

.sezione.scura > .contenitore {
  position: relative;
}

.sezione.scura h2,
.sezione.scura h3 {
  color: var(--superficie);
}

.intro-sezione {
  max-width: 70ch;
  margin-bottom: clamp(32px, 5vw, 52px);
}

.intro-sezione p {
  color: var(--testo-tenue);
  font-size: 1.12rem;
}

.sezione.scura .intro-sezione p {
  color: var(--tenue-su-scuro);
}

.griglia {
  display: grid;
  gap: 20px;
}

.griglia > * {
  min-width: 0;
}

.griglia.due {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px;
}

.griglia.tre {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
}

.griglia.quattro {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

/* Schede */
.scheda {
  position: relative;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  padding: 28px;
  transition: transform var(--durata), box-shadow var(--durata), border-color var(--durata);
}

.scheda:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--acqua) 40%, var(--bordo));
  box-shadow: var(--ombra);
}

.sezione.bianca .scheda {
  background: var(--sfondo);
}

.sezione.scura .scheda {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--bordo-scuro);
  color: var(--testo-su-scuro);
}

.sezione.scura .scheda:hover {
  border-color: rgba(92, 195, 201, 0.45);
  box-shadow: 0 0 0 1px rgba(92, 195, 201, 0.15), 0 20px 40px -20px rgba(0, 0, 0, 0.6);
}

.scheda p:last-child,
.scheda ul:last-child {
  margin-bottom: 0;
}

.scheda p {
  color: var(--testo-tenue);
}

.sezione.scura .scheda p {
  color: var(--tenue-su-scuro);
}

.icona {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--acqua) 14%, white), color-mix(in srgb, var(--verde) 12%, white));
  color: var(--acqua);
  margin-bottom: 18px;
}

.icona svg {
  width: 26px;
  height: 26px;
}

.sezione.scura .icona {
  background: linear-gradient(135deg, rgba(92, 195, 201, 0.16), rgba(154, 219, 211, 0.12));
  color: var(--acqua-luce);
}

/* Numeri */
.numeri {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  box-shadow: var(--ombra);
  margin-top: -64px;
  position: relative;
  overflow: hidden;
}

.numero {
  padding: 28px 28px 26px;
  border-right: 1px solid var(--bordo);
  min-width: 0;
}

.numero:last-child {
  border-right: 0;
}

.numero strong {
  display: block;
  font-family: var(--font-titoli);
  font-weight: 600;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: var(--firma-scura);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.numero span {
  display: block;
  margin-top: 6px;
  color: var(--testo-tenue);
  font-size: 0.98rem;
}

/* Due anime */
.anima {
  position: relative;
  border-radius: var(--raggio);
  padding: clamp(28px, 4vw, 44px);
  color: var(--testo-su-scuro);
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(92, 195, 201, 0.18), transparent 60%),
    var(--abisso);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.anima.innova {
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(154, 219, 211, 0.2), transparent 60%),
    var(--abisso-2);
}

.anima::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(92, 195, 201, 0.5), rgba(154, 219, 211, 0.1) 40%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.anima h3 {
  color: var(--superficie);
  font-size: 1.7rem;
}

.anima ul {
  padding-left: 1.2em;
  margin-bottom: 28px;
}

.anima li {
  margin-bottom: 6px;
}

.anima .pulsante {
  margin-top: auto;
  align-self: flex-start;
}

/* Liste */
.lista-spunte {
  list-style: none;
  padding: 0;
  margin: 0 0 1em;
}

.lista-spunte li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
}

.lista-spunte li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.4em;
  width: 14px;
  height: 8px;
  border-left: 2.5px solid var(--verde);
  border-bottom: 2.5px solid var(--verde);
  transform: rotate(-45deg);
}

.sezione.scura .lista-spunte li::before {
  border-color: var(--verde-luce);
}

/* Settori */
.settori {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.settore {
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: 999px;
  padding: 10px 18px;
  font-family: var(--font-titoli);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--blu);
}

.sezione.bianca .settore {
  background: var(--sfondo);
}

/* Passi */
.passi {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: passo;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
}

.passi:has(> li:nth-child(6):last-child) {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.passi li {
  counter-increment: passo;
  position: relative;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  padding: 58px 24px 24px;
  min-width: 0;
}

.passi li::before {
  content: counter(passo, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 24px;
  font-family: var(--font-dati);
  font-size: 0.85rem;
  color: var(--acqua);
  letter-spacing: 0.08em;
}

.passi li::after {
  content: "";
  position: absolute;
  top: 29px;
  left: 56px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--bordo), transparent);
}

.passi p {
  color: var(--testo-tenue);
  margin: 0;
}

.sezione.bianca .passi li {
  background: var(--sfondo);
}

.sezione.scura .passi li {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--bordo-scuro);
}

.sezione.scura .passi li::before {
  color: var(--acqua-luce);
}

.sezione.scura .passi li::after {
  background: linear-gradient(90deg, rgba(92, 195, 201, 0.35), transparent);
}

.sezione.scura .passi p {
  color: var(--tenue-su-scuro);
}

/* Tabelle */
.tabella-wrap {
  overflow-x: auto;
  border-radius: var(--raggio);
  border: 1px solid var(--bordo);
  background: var(--superficie);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

th,
td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bordo);
  vertical-align: top;
}

thead th {
  background: var(--abisso);
  color: var(--superficie);
  font-family: var(--font-titoli);
  font-weight: 500;
  font-size: 0.95rem;
}

tbody tr:last-child td,
tbody tr:last-child th {
  border-bottom: 0;
}

tbody th {
  color: var(--blu);
  font-family: var(--font-titoli);
  font-weight: 500;
}

td {
  font-variant-numeric: tabular-nums;
}

td.si {
  color: var(--verde);
  font-weight: 600;
}

/* Principio */
.principio {
  margin: 0 0 32px;
  padding: 0;
  font-family: var(--font-titoli);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  background: var(--firma-scura);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nota {
  font-size: 0.95rem;
  color: var(--testo-tenue);
  border-top: 1px solid var(--bordo);
  padding-top: 18px;
  margin-top: 36px;
}

/* Modulo */
.modulo {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.campo.intero {
  grid-column: 1 / -1;
}

label {
  font-family: var(--font-titoli);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--blu);
}

input,
select,
textarea {
  font: inherit;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--bordo);
  border-radius: var(--raggio-piccolo);
  background: var(--superficie);
  color: var(--testo);
  transition: border-color var(--durata), box-shadow var(--durata);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--acqua);
  box-shadow: 0 0 0 4px rgba(28, 118, 126, 0.15);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.consenso {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: var(--font-testo);
  font-weight: 400;
  font-size: 1rem;
  color: var(--testo);
}

.consenso input {
  min-height: 0;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--acqua);
}

.esito-modulo {
  grid-column: 1 / -1;
  background: var(--superficie-2);
  border-left: 3px solid var(--verde);
  border-radius: var(--raggio-piccolo);
  padding: 14px 18px;
  color: var(--testo);
}

/* Contatti */
.contatto-voce {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
}

.contatto-voce .icona {
  flex-shrink: 0;
  margin: 0;
}

.contatto-voce strong {
  display: block;
  font-family: var(--font-titoli);
  font-weight: 500;
  color: var(--blu);
}

/* Banda finale */
.banda-finale {
  padding: clamp(56px, 7vw, 80px) 0;
  background: var(--sfondo);
}

.banda-finale .contenitore {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.banda-finale .contenitore > div {
  min-width: 0;
}

.banda-finale .contenitore {
  position: relative;
  max-width: calc(var(--larghezza) - 2 * var(--gutter));
  width: calc(100% - 2 * var(--gutter));
  padding: clamp(32px, 5vw, 56px);
  border-radius: calc(var(--raggio) + 8px);
  background:
    radial-gradient(500px 260px at 100% 100%, rgba(154, 219, 211, 0.22), transparent 60%),
    radial-gradient(500px 260px at 0% 0%, rgba(92, 195, 201, 0.22), transparent 60%),
    var(--abisso);
  overflow: hidden;
}

.banda-finale h2 {
  margin: 0;
  color: var(--superficie);
}

.banda-finale p {
  margin: 8px 0 0;
  color: var(--tenue-su-scuro);
}

/* FAQ */
details {
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio-piccolo);
  padding: 18px 22px;
  margin-bottom: 12px;
}

.sezione.bianca details {
  background: var(--sfondo);
}

summary {
  cursor: pointer;
  font-family: var(--font-titoli);
  font-weight: 500;
  color: var(--blu);
}

details p {
  margin: 12px 0 0;
  color: var(--testo-tenue);
}

/* Caso dimostrativo */
.etichetta-demo {
  display: inline-block;
}

.ipotesi {
  margin-top: 24px;
}

.ipotesi ul {
  margin: 12px 0;
  padding-left: 1.2em;
  color: var(--testo-tenue);
}

.ipotesi li {
  margin-bottom: 6px;
}

.ipotesi p {
  font-size: 0.95rem;
}

/* ---------- Piè di pagina ---------- */

.pie {
  background: var(--abisso);
  color: var(--tenue-su-scuro);
  padding: 72px 0 32px;
  font-size: 0.98rem;
}

.pie a {
  color: var(--testo-su-scuro);
  text-decoration: none;
}

.pie a:hover {
  color: var(--acqua-luce);
}

.pie .griglia {
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}

.pie h4 {
  font-family: var(--font-dati);
  font-weight: 500;
  color: var(--acqua-luce);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.pie ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pie li {
  margin-bottom: 8px;
}

.pie .logo {
  display: inline-flex;
  background: var(--superficie);
  border-radius: var(--raggio-piccolo);
  padding: 10px 14px;
  margin-bottom: 16px;
}

.pie .logo img {
  height: 36px;
}

.pie-basso {
  border-top: 1px solid var(--bordo-scuro);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
}

/* Schema animato della TOC */
.toc-anim {
  margin: 0 0 40px;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  overflow: hidden;
  box-shadow: var(--ombra);
}

.toc-anim.su-scuro {
  border-color: var(--bordo-scuro);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  margin-bottom: 0;
}

.toc-anim svg {
  width: 100%;
  height: auto;
}

.toc-anim figcaption {
  position: relative;
  padding: 18px 24px 22px;
  color: var(--testo);
}

.toc-fasi {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-right: 90px;
}

.toc-fasi button,
.toc-play {
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--bordo);
  background: var(--sfondo);
  color: var(--abisso);
  cursor: pointer;
}

.toc-fasi button span {
  color: var(--acqua);
  font-weight: 800;
  margin-right: 4px;
}

.toc-fasi button[aria-pressed="true"] {
  background: var(--abisso);
  border-color: var(--abisso);
  color: var(--superficie);
}

.toc-fasi button[aria-pressed="true"] span {
  color: var(--acqua-luce);
}

.toc-play {
  position: absolute;
  top: 18px;
  right: 24px;
}

.toc-testo {
  min-height: 3.4em;
  margin-top: 12px;
}

.toc-testo p {
  margin: 0;
  color: var(--testo-tenue);
}

.toc-testo strong {
  color: var(--abisso);
}

.toc-barra {
  height: 3px;
  background: var(--superficie-2);
  border-radius: 3px;
  margin-top: 14px;
  overflow: hidden;
}

.toc-barra span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--firma-scura);
}

.toc-aste,
.toc-alesato,
.toc-tubo {
  opacity: 0;
}

@media (max-width: 600px) {
  .toc-fasi {
    padding-right: 0;
  }

  .toc-play {
    position: static;
    margin-top: 12px;
  }

  .toc-anim figcaption {
    display: flex;
    flex-direction: column;
  }
}


/* ---------- Animazioni d'ingresso (attive solo con GSAP caricato) ---------- */

.js-anima .da-rivelare {
  transition: none !important;
}

/* ---------- Responsive ---------- */

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

  .pie .griglia > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .numero {
    border-right: 0;
    border-bottom: 1px solid var(--bordo);
  }

  .numero:last-child {
    border-bottom: 0;
  }

  .logo img {
    height: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .rete-sfondo .nodo-attivo {
    opacity: 0;
  }
}


/* Parco macchine: illustrazioni tono su tono */
.parco {
  align-items: stretch;
}

.macchina {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(92, 195, 201, 0.06), rgba(92, 195, 201, 0.015));
  border: 1px solid var(--bordo-scuro);
  border-radius: var(--raggio);
  overflow: hidden;
}

.macchina-larga {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
}

.macchina figcaption {
  padding: 4px 26px 26px;
}

.macchina-larga figcaption {
  padding: 26px;
}

.macchina h3 {
  color: var(--superficie);
  margin: 6px 0 6px;
}

.macchina p {
  color: var(--testo-su-scuro);
  margin: 0;
}

.illustrazione {
  display: block;
  width: 100%;
  height: auto;
}

.ill-a { fill: var(--abisso-3); stroke: #2c4a74; stroke-width: 1.5; }
.ill-b { fill: #1d3a64; stroke: #2f5a88; stroke-width: 1.5; }
.ill-c { fill: #264a7a; }
.ill-suolo { fill: rgba(6, 12, 26, 0.55); }
.ill-linea { fill: none; stroke: #3f6a99; stroke-width: 2; }
.ill-luce { fill: none; stroke: var(--acqua-luce); stroke-width: 1.5; opacity: 0.6; }
.ill-asta { stroke: var(--tenue-su-scuro); stroke-width: 4; stroke-linecap: round; }
.ill-foro { fill: none; stroke: var(--acqua-luce); stroke-width: 3; stroke-dasharray: 8 8; opacity: 0.7; animation: scorre-foro 1.6s linear infinite; }

@keyframes scorre-foro {
  to { stroke-dashoffset: 16; }
}

@media (prefers-reduced-motion: reduce) {
  .ill-foro { animation: none; }
}
.ill-griglia { stroke: #2c4a74; stroke-width: 2; }
.ill-punto { fill: var(--acqua-luce); opacity: 0.55; }
.ill-accento { fill: var(--verde-luce); }
.ill-anello { fill: none; stroke: var(--acqua-luce); stroke-width: 3; }

.pulsante.contorno-chiaro {
  background: transparent;
  color: var(--superficie);
  border: 1px solid var(--bordo-scuro);
}

.pulsante.contorno-chiaro:hover {
  border-color: var(--acqua-luce);
  color: var(--acqua-luce);
}

/* AQuontrol: scena animata e schermate */
.aq-apertura {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.aq-apertura .intro-sezione {
  margin-bottom: 0;
}

.aq-scena {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: var(--raggio);
  overflow: hidden;
  border: 1px solid var(--bordo-scuro);
  background: var(--abisso-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35), 0 0 60px rgba(92, 195, 201, 0.08);
  container-type: inline-size;
}

.aq-sfondo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% 50%;
  opacity: 0.75;
}

.aq-scena::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 60%, rgba(12, 24, 48, 0.65), transparent 60%);
  pointer-events: none;
}

.aq-telefono {
  position: absolute;
  z-index: 2;
  left: 6%;
  top: 9%;
  width: 27%;
  padding: 1.2cqi;
  border-radius: 4cqi;
  background: var(--abisso);
  box-shadow: 0 0 0 1px rgba(169, 182, 204, 0.3), 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(92, 195, 201, 0.18);
  transform: rotate(-4deg);
}

.aq-telefono img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3cqi;
}

.aq-chip {
  position: absolute;
  z-index: 3;
  left: 26%;
  display: inline-flex;
  align-items: center;
  gap: 0.8cqi;
  padding: 0.9cqi 1.8cqi;
  border-radius: 999px;
  background: rgba(12, 24, 48, 0.92);
  border: 1px solid rgba(154, 219, 211, 0.55);
  color: var(--superficie);
  font-family: var(--font-dati);
  font-size: max(10px, 2.2cqi);
  white-space: nowrap;
}

.aq-chip svg {
  width: max(12px, 2.6cqi);
  height: max(12px, 2.6cqi);
  color: var(--verde-luce);
}

.aq-chip-foto { top: 24%; }
.aq-chip-vocale { top: 40%; }
.aq-chip-posizione { top: 56%; }

.aq-scheda {
  position: absolute;
  z-index: 2;
  right: 6%;
  top: 22%;
  width: 40%;
  display: flex;
  flex-direction: column;
  gap: 1.5cqi;
  padding: 2.6cqi;
  border-radius: 2.4cqi;
  background: rgba(18, 35, 63, 0.94);
  border: 1px solid rgba(92, 195, 201, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.aq-scheda-titolo {
  font-family: var(--font-titoli);
  font-weight: 600;
  font-size: max(12px, 2.8cqi);
  color: var(--superficie);
}

.aq-riga {
  display: block;
  height: max(5px, 1.2cqi);
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(92, 195, 201, 0.55), rgba(92, 195, 201, 0.2));
  transform-origin: left center;
}

.aq-riga.corta { width: 55%; }
.aq-riga.media { width: 75%; }

.aq-stato {
  position: relative;
  align-self: flex-start;
  margin-top: 0.6cqi;
  font-family: var(--font-dati);
  font-size: max(10px, 2cqi);
}

.aq-stato > span {
  display: inline-block;
  padding: 0.5cqi 1.5cqi;
  border-radius: 99px;
}

.aq-stato-bozza {
  color: var(--acqua-luce);
  border: 1px solid rgba(92, 195, 201, 0.5);
}

.aq-stato-ok {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--abisso);
  background: var(--verde-luce);
  opacity: 0;
}

.aq-pin {
  position: absolute;
  z-index: 2;
  right: 22%;
  bottom: 12%;
  width: 3cqi;
  height: 3cqi;
  border-radius: 50%;
  background: var(--verde-luce);
  box-shadow: 0 0 0 1.2cqi rgba(154, 219, 211, 0.25), 0 0 30px rgba(154, 219, 211, 0.6);
}

.aq-galleria {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.aq-schermo {
  margin: 0;
  border-radius: var(--raggio);
  overflow: hidden;
  border: 1px solid var(--bordo-scuro);
  background: var(--abisso-2);
}

.aq-largo {
  grid-column: 1 / -1;
}

.aq-schermo img {
  display: block;
  width: 100%;
  height: auto;
}

.aq-schermo figcaption {
  padding: 12px 18px;
  font-family: var(--font-dati);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tenue-su-scuro);
}

.nota.nota-scura {
  color: var(--tenue-su-scuro);
  border-top-color: var(--bordo-scuro);
}

@media (max-width: 900px) {
  .aq-apertura,
  .macchina-larga {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .aq-galleria {
    grid-template-columns: 1fr;
  }
}

/* Modulo Contatti e informativa */
.campo-trappola {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.aiuto {
  color: var(--testo-tenue);
  font-size: 0.88rem;
}

.esito-modulo.errore {
  border-color: #c0392b;
  color: #8a2a1f;
}

.testo-legale {
  max-width: 780px;
}

.testo-legale h3 {
  margin: 26px 0 6px;
  font-size: 1.05rem;
}

.testo-legale p {
  margin: 0;
  color: var(--testo-tenue);
}

/* ---------- Banner dei cookie ---------- */
.banner-cookie {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1000;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  padding: 18px 22px;
  border-radius: 16px;
  background: var(--abisso-2);
  color: var(--superficie);
  border: 1px solid rgba(92, 195, 201, 0.35);
  box-shadow: 0 20px 40px -16px rgba(0, 0, 0, 0.6);
  font-size: 0.95rem;
  line-height: 1.5;
}

.banner-cookie p {
  flex: 1 1 320px;
  margin: 0;
}

.banner-cookie a {
  color: var(--acqua-luce);
}

.banner-cookie-azioni {
  display: flex;
  gap: 10px;
}

.banner-cookie .pulsante {
  min-width: 112px;
}

.collegamento-testo {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}

@media print {
  .banner-cookie { display: none; }
}

.numero.slogan {
  display: flex;
  align-items: center;
  background: var(--abisso);
}

.numero.slogan strong {
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  letter-spacing: -0.01em;
  line-height: 1.3;
  background: none;
  color: var(--superficie);
}

/* ---------- Foto dei cantieri ---------- */
.galleria {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.foto {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--raggio-piccolo);
  background: var(--abisso-2);
}

.foto img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.foto figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 14px 12px;
  background: linear-gradient(to top, rgba(12, 24, 48, 0.88), rgba(12, 24, 48, 0));
  color: var(--superficie);
  font-size: 0.9rem;
  line-height: 1.35;
}

.galleria-mosaico {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 300px;
}

.galleria-mosaico .largo {
  grid-column: span 2;
}

.galleria-tre {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 360px;
}

.galleria-quattro {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 340px;
}

.titolo-foto {
  margin: 48px 0 0;
  color: var(--superficie);
}

.foto.panoramica {
  margin-top: 28px;
  aspect-ratio: 1200 / 369;
}

@media (max-width: 900px) {
  .galleria-mosaico,
  .galleria-quattro {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 260px;
  }

  .galleria-tre {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: 280px;
  }
}

@media (max-width: 560px) {
  .galleria-mosaico .largo {
    grid-column: span 2;
  }

  .galleria-tre {
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: 320px;
  }

  .galleria-quattro,
  .galleria-mosaico {
    grid-auto-rows: 220px;
  }

  .foto figcaption {
    font-size: 0.82rem;
    padding: 22px 10px 9px;
  }

  .foto.panoramica {
    aspect-ratio: 16 / 9;
  }
}

.foto.in-alto img {
  object-position: center 55%;
}