*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

  /* Layout: sito istituzionale a pagine singole, colonna di lettura stretta, marchio giallo usato solo come segno, mai come fondo. */
  :root {
    --bg: #fbfbfa;
    --surface: #f1f2f0;
    --ink: #1c1f23;
    --muted: #5b6068;
    --line: #dcdedb;
    --gold: #fdc005;
    --gold-ink: #7a5e00;
    --brand-grey: #7f7f7f;
    --f-display: 'Spectral', Georgia, 'Times New Roman', serif;
    --f-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;
    --f-label: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    --s-1: 0.8125rem;
    --s0: 1.0625rem;
    --s1: 1.25rem;
    --s2: 1.6rem;
    --s3: 2.25rem;
    --s4: clamp(2.2rem, 5.2vw, 3.4rem);
    --w-text: 38rem;
    --w-page: 72rem;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme='light']) {
      --bg: #131518;
      --surface: #1b1e22;
      --ink: #ecedee;
      --muted: #a3a8af;
      --line: #2d3136;
      --gold: #fdc005;
      --gold-ink: #fdc005;
      --brand-grey: #a9a9a9;
      color-scheme: dark;
    }
  }
  :root[data-theme='dark'] {
    --bg: #131518;
    --surface: #1b1e22;
    --ink: #ecedee;
    --muted: #a3a8af;
    --line: #2d3136;
    --gold: #fdc005;
    --gold-ink: #fdc005;
    --brand-grey: #a9a9a9;
    color-scheme: dark;
  }

  body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--f-body);
    font-size: var(--s0);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  body::before {
    content: '';
    position: fixed;
    inset: 0 0 auto;
    height: env(safe-area-inset-top, 0px);
    z-index: 10;
    background: var(--bg);
  }
  .wrap {
    max-width: var(--w-page);
    margin-inline: auto;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
  @media (min-width: 700px) {
    .wrap {
      padding-left: max(40px, env(safe-area-inset-left, 0px));
      padding-right: max(40px, env(safe-area-inset-right, 0px));
    }
  }
  a {
    color: inherit;
  }
  :focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
  }

  /* Testata */
  body > header {
    position: sticky;
    top: env(safe-area-inset-top, 0px);
    z-index: 5;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 1.05rem;
  }
  .mark {
    font-family: var(--f-label);
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    white-space: nowrap;
  }
  .mark b {
    color: var(--gold);
    font-weight: 700;
  }
  .mark span {
    color: var(--brand-grey);
    font-weight: 400;
  }
  nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.6rem;
  }
  nav a {
    font-family: var(--f-label);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--muted);
    padding-block: 0.3rem;
    border-bottom: 2px solid transparent;
  }
  nav a:hover {
    color: var(--ink);
  }
  nav a[aria-current='page'] {
    color: var(--ink);
    border-bottom-color: var(--gold);
  }
  .menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--line);
    color: var(--ink);
    font-family: var(--f-label);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.5rem 0.8rem;
    cursor: pointer;
  }
  @media (max-width: 860px) {
    .menu-btn {
      display: block;
    }
    nav {
      display: none;
      width: 100%;
    }
    nav.open {
      display: block;
    }
    .bar {
      flex-wrap: wrap;
    }
    nav ul {
      flex-direction: column;
      gap: 0;
      padding-block: 0.5rem 1rem;
    }
    nav a {
      display: block;
      padding-block: 0.75rem;
      border-bottom: 1px solid var(--line);
    }
    nav a[aria-current='page'] {
      border-bottom-color: var(--line);
      box-shadow: inset 3px 0 0 var(--gold);
      padding-left: 0.8rem;
    }
  }

  /* Tipografia */
  h1,
  h2,
  h3 {
    font-family: var(--f-display);
    font-weight: 400;
    text-wrap: balance;
    margin: 0;
    letter-spacing: -0.005em;
  }
  h1 {
    font-size: var(--s4);
    line-height: 1.12;
    font-weight: 300;
  }
  h2 {
    font-size: var(--s3);
    line-height: 1.2;
    font-weight: 300;
  }
  h3 {
    font-size: var(--s1);
    line-height: 1.3;
    font-weight: 500;
  }
  p {
    margin: 0;
    max-width: var(--w-text);
  }
  .lead {
    font-size: var(--s1);
    line-height: 1.55;
    color: var(--muted);
    max-width: 36rem;
  }
  .eyebrow {
    font-family: var(--f-label);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }
  .eyebrow::before {
    content: '';
    width: 0.55rem;
    height: 0.55rem;
    background: var(--gold);
    flex: none;
  }
  .muted {
    color: var(--muted);
  }

  /* Pagine */
  main section[data-page] {
    padding-block: clamp(2.5rem, 7vw, 5rem) clamp(3rem, 8vw, 6rem);
  }
  .page-head {
    display: grid;
    gap: 1.1rem;
    margin-bottom: clamp(2.2rem, 5vw, 3.5rem);
    max-width: 46rem;
  }
  .stack {
    display: grid;
    gap: clamp(2.5rem, 6vw, 4.5rem);
  }

  /* Home */
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
  }
  .hero-text {
    display: grid;
    gap: 1.4rem;
    min-width: 0;
  }
  .hero svg {
    width: 100%;
    height: auto;
    max-width: 26rem;
    justify-self: end;
    color: var(--line);
  }
  @media (max-width: 760px) {
    .hero {
      grid-template-columns: 1fr;
    }
    .hero svg {
      max-width: 18rem;
      justify-self: start;
    }
  }
  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    padding-top: 0.4rem;
  }
  .btn {
    display: inline-block;
    font-family: var(--f-label);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.85rem 1.3rem;
    border: 1px solid var(--ink);
    color: var(--ink);
  }
  .btn.primary {
    background: var(--ink);
    color: var(--bg);
  }
  .btn:hover {
    border-color: var(--gold);
  }
  .facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-block: 1px solid var(--line);
    margin-top: clamp(2.5rem, 6vw, 4rem);
  }
  .facts div {
    padding: 1.1rem 1.2rem 1.2rem 0;
    display: grid;
    gap: 0.2rem;
    min-width: 0;
  }
  .facts div + div {
    padding-left: 1.2rem;
    border-left: 1px solid var(--line);
  }
  .facts dt {
    font-family: var(--f-label);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .facts dd {
    margin: 0;
    font-family: var(--f-display);
    font-size: 1.12rem;
    line-height: 1.35;
  }
  @media (max-width: 760px) {
    .facts {
      grid-template-columns: 1fr 1fr;
    }
    .facts div:nth-child(3) {
      padding-left: 0;
      border-left: 0;
    }
    .facts div:nth-child(n + 3) {
      border-top: 1px solid var(--line);
    }
  }

  .statement {
    margin: 0;
    display: grid;
    gap: 1.2rem;
  }
  .statement::before,
  .statement::after {
    content: '';
    width: 3rem;
    height: 3px;
    background: var(--gold);
  }
  .statement p {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(1.55rem, 3.4vw, 2.3rem);
    line-height: 1.32;
    max-width: none;
  }
  .cta-band {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
    margin-top: clamp(2.5rem, 6vw, 4rem);
    padding: 1.6rem 0;
    border-block: 1px solid var(--line);
  }
  .cta-band p {
    margin: 0;
    font-family: var(--f-display);
    font-weight: 300;
    font-size: 1.3rem;
  }
  .case h3,
  .services h3 {
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
  }
  .ico {
    flex: none;
    width: 1.7rem;
    height: 1.7rem;
    margin-top: 0.1em;
    fill: none;
    stroke: var(--gold);
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: clamp(1.5rem, 4vw, 4rem);
  }
  .split > div:first-child {
    display: grid;
    gap: 1rem;
    align-content: start;
  }
  @media (max-width: 760px) {
    .split {
      grid-template-columns: 1fr;
    }
  }
  .problems {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
  }
  .problems li {
    padding-block: 1.05rem;
    border-top: 1px solid var(--line);
    font-size: var(--s0);
    line-height: 1.5;
    display: grid;
    grid-template-columns: 1.6rem minmax(0, 1fr);
  }
  .problems li:last-child {
    border-bottom: 1px solid var(--line);
  }
  .problems li::before {
    content: '';
    width: 0.4rem;
    height: 0.4rem;
    margin-top: 0.62rem;
    background: var(--brand-grey);
  }

  .phases {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--ink);
  }
  .phases article {
    padding: 1.4rem 1.4rem 0 0;
    display: grid;
    gap: 0.6rem;
    align-content: start;
  }
  .phases article + article {
    padding-left: 1.4rem;
    border-left: 1px solid var(--line);
  }
  .phases .n {
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--muted);
  }
  @media (max-width: 760px) {
    .phases {
      grid-template-columns: 1fr;
    }
    .phases article,
    .phases article + article {
      padding: 1.3rem 0;
      border-left: 0;
      border-bottom: 1px solid var(--line);
    }
  }

  .note {
    background: var(--surface);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    display: grid;
    gap: 1rem;
  }
  .note p {
    max-width: 44rem;
  }
  .textlink {
    font-family: var(--f-label);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold-ink);
    text-decoration: none;
  }
  .textlink:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  /* Servizi */
  .services {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(2rem, 5vw, 4rem);
  }
  .services article {
    padding-block: 1.6rem;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 0.6rem;
    align-content: start;
  }
  @media (max-width: 760px) {
    .services {
      grid-template-columns: 1fr;
    }
  }
  .boundary {
    border-left: 3px solid var(--gold);
    padding: 0.3rem 0 0.3rem 1.3rem;
    display: grid;
    gap: 0.6rem;
  }

  /* Metodo */
  .principles {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(2rem, 5vw, 4rem);
  }
  .principles article {
    padding-block: 1.6rem;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 0.55rem;
    align-content: start;
  }
  @media (max-width: 760px) {
    .principles {
      grid-template-columns: 1fr;
    }
  }
  .steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    counter-reset: s;
    border-top: 1px solid var(--ink);
  }
  .steps li {
    counter-increment: s;
    padding: 1.2rem 1.2rem 0 0;
    display: grid;
    gap: 0.4rem;
    align-content: start;
  }
  .steps li + li {
    padding-left: 1.2rem;
    border-left: 1px solid var(--line);
  }
  .steps li::before {
    content: 'Fase ' counter(s);
    font-family: var(--f-label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .steps strong {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.12rem;
  }
  .steps span {
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.5;
  }
  @media (max-width: 860px) {
    .steps {
      grid-template-columns: 1fr 1fr;
    }
    .steps li:nth-child(3) {
      padding-left: 0;
      border-left: 0;
    }
    .steps li:nth-child(n + 3) {
      border-top: 1px solid var(--line);
      margin-top: 1.2rem;
    }
  }
  @media (max-width: 480px) {
    .steps {
      grid-template-columns: 1fr;
    }
    .steps li,
    .steps li + li {
      padding: 1.1rem 0;
      border-left: 0;
      margin: 0;
    }
    .steps li + li {
      border-top: 1px solid var(--line);
    }
  }

  /* Esempi */
  .cases {
    display: grid;
    gap: 0;
  }
  .case {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    gap: clamp(1rem, 4vw, 3rem);
    padding-block: 2.2rem;
    border-top: 1px solid var(--line);
  }
  .case:last-child {
    border-bottom: 1px solid var(--line);
  }
  .case header {
    position: static;
    border: 0;
    background: none;
    display: grid;
    gap: 0.8rem;
    align-content: start;
  }
  .case header p {
    font-size: 0.98rem;
    line-height: 1.55;
  }
  .case dl {
    margin: 0;
    display: grid;
    gap: 0;
  }
  .case dl > div {
    display: grid;
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
    gap: 1.2rem;
    padding-block: 0.75rem;
    border-top: 1px solid var(--line);
  }
  .case dl > div:first-child {
    border-top: 0;
    padding-top: 0;
  }
  .case dt {
    font-family: var(--f-label);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--gold-ink);
    padding-top: 0.3rem;
    line-height: 1.4;
  }
  .case dd {
    margin: 0;
    max-width: var(--w-text);
  }
  .case .outcome {
    border-top: 1px solid var(--ink) !important;
    margin-top: 0.3rem;
  }
  .case .outcome dt {
    color: var(--ink);
  }
  .case .outcome dd {
    font-family: var(--f-display);
    font-size: 1.12rem;
    line-height: 1.45;
  }
  .lead a {
    color: var(--ink);
    text-underline-offset: 3px;
    text-decoration-color: var(--gold);
  }
  @media (max-width: 860px) {
    .case {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 520px) {
    .case dl > div {
      grid-template-columns: 1fr;
      gap: 0.25rem;
    }
  }

  /* Chi siamo e contatti */
  .cv {
    display: grid;
    gap: 1.1rem;
  }
  .facts-list {
    margin: 0;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    border-top: 1px solid var(--line);
  }
  .facts-list dt,
  .facts-list dd {
    padding-block: 0.9rem;
    border-bottom: 1px solid var(--line);
    margin: 0;
  }
  .facts-list dt {
    font-family: var(--f-label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    padding-right: 2rem;
    padding-top: 1.05rem;
  }
  @media (max-width: 520px) {
    .facts-list {
      grid-template-columns: 1fr;
    }
    .facts-list dt {
      border-bottom: 0;
      padding-bottom: 0;
    }
  }
  .copy {
    background: none;
    border: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--f-label);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
    margin-left: 0.6rem;
    cursor: pointer;
    vertical-align: middle;
  }
  .copy:hover {
    color: var(--ink);
    border-color: var(--ink);
  }
  .todo {
    color: var(--muted);
    font-style: italic;
  }

  footer {
    border-top: 1px solid var(--line);
    background: var(--surface);
  }
  .foot {
    padding-block: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem 2rem;
    font-size: 0.9rem;
    color: var(--muted);
  }
  .foot p {
    max-width: none;
  }

  /* Modulo di contatto */
  .contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
  }
  @media (max-width: 860px) {
    .contact-grid {
      grid-template-columns: 1fr;
    }
  }
  .contact-form {
    display: grid;
    gap: 1.1rem;
    background: var(--surface);
    padding: clamp(1.3rem, 4vw, 2.2rem);
  }
  .contact-form h2 {
    font-size: var(--s2);
  }
  .field {
    display: grid;
    gap: 0.35rem;
    min-width: 0;
  }
  .field label {
    font-family: var(--f-label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .field .opt {
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    font-family: var(--f-body);
    font-size: 0.85rem;
  }
  .field input,
  .field textarea {
    font: inherit;
    font-size: 1rem;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.7rem 0.8rem;
    width: 100%;
  }
  .field textarea {
    resize: vertical;
  }
  .field input:focus,
  .field textarea:focus {
    outline: none;
    border-color: var(--ink);
    box-shadow: inset 0 -2px 0 var(--gold);
  }
  .row2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }
  @media (max-width: 520px) {
    .row2 {
      grid-template-columns: 1fr;
    }
  }
  .check {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.7rem;
    align-items: start;
    font-size: 0.95rem;
  }
  .check input {
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.2rem;
    accent-color: var(--ink);
  }
  .check a {
    color: var(--ink);
    text-decoration-color: var(--gold);
    text-underline-offset: 3px;
  }
  .hp {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }
  .form-msg {
    border-left: 3px solid var(--gold);
    padding-left: 0.9rem;
    font-size: 0.97rem;
  }
  .form-msg.err {
    border-left-color: #b3261e;
  }
  .contact-form .btn {
    justify-self: start;
    cursor: pointer;
    font-family: var(--f-label);
  }

  /* Informativa */
  .legal {
    display: grid;
    gap: 1rem;
    max-width: 44rem;
  }
  .legal h2 {
    font-size: var(--s1);
    font-weight: 500;
    margin-top: 1.4rem;
  }
  .legal h2:first-child {
    margin-top: 0;
  }
  .legal strong {
    font-weight: 600;
  }
  .table-wrap {
    overflow-x: auto;
    border-top: 1px solid var(--ink);
  }
  .legal table {
    border-collapse: collapse;
    width: 100%;
    min-width: 34rem;
    font-size: 0.93rem;
  }
  .legal th {
    font-family: var(--f-label);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    text-align: left;
    padding: 0.7rem 0.8rem 0.7rem 0;
  }
  .legal td {
    padding: 0.75rem 0.8rem 0.75rem 0;
    border-top: 1px solid var(--line);
    vertical-align: top;
  }
  .legal td:first-child {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  .foot a {
    color: inherit;
    text-underline-offset: 3px;
  }

  /* Avviso all'arrivo */
  .notice {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    background: #1c1f23;
    color: #f1f2f0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.18);
  }
  .notice-in {
    max-width: var(--w-page);
    margin-inline: auto;
    padding-block: 1.1rem;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 2rem;
    justify-content: space-between;
  }
  .notice p {
    max-width: 52rem;
    font-size: 0.95rem;
    line-height: 1.5;
  }
  .notice a {
    color: var(--gold);
  }
  .notice .btn.primary {
    background: var(--gold);
    color: #1c1f23;
    border-color: var(--gold);
    cursor: pointer;
    font-family: var(--f-label);
  }
  @media (min-width: 700px) {
    .notice-in {
      padding-left: max(40px, env(safe-area-inset-left, 0px));
      padding-right: max(40px, env(safe-area-inset-right, 0px));
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    section[data-page]:not([hidden]) .fade {
      animation: rise 0.5s ease both;
    }
    @keyframes rise {
      from {
        transform: translateY(6px);
      }
      to {
        transform: none;
      }
    }
  }