:root {
  --carta: #f4f3ef;
  --carta-2: #e8e6df;
  --bianco: #fcfcfa;
  --inchiostro: #0f1c22;
  --inchiostro-2: #4b575c;
  --linea: #cdcac0;
  --notte: #0f1c22;
  --notte-2: #18292f;
  --notte-linea: #2c4048;
  --notte-testo: #a9b8bd;
  --segnale: #ff5a1f;
  --segnale-scuro: #d9440f;
  --display: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --larghezza: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.04; margin: 0; letter-spacing: -0.035em; text-wrap: balance; }
p { text-wrap: pretty; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); max-width: 20ch; }
h3 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
p { margin: 0; }
.mono { font-family: var(--mono); font-weight: 500; }
.wrap { max-width: var(--larghezza); margin: 0 auto; padding: 0 24px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--inchiostro); color: var(--bianco); padding: 8px 14px; z-index: 50; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--segnale); outline-offset: 3px; }

/* Testata: scura sopra l'apertura */
.testata { position: sticky; top: 0; z-index: 20; background: var(--notte); color: #fff; border-bottom: 1px solid var(--notte-linea); }
.testata__riga { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.marchio { display: inline-flex; align-items: baseline; text-decoration: none; font-family: var(--display); font-weight: 800; font-size: 1.45rem; letter-spacing: -0.045em; color: inherit; }
.marchio__punto { display: inline-block; width: .3em; height: .3em; background: var(--segnale); margin-left: .08em; }
.nav { display: flex; align-items: center; gap: 28px; font-size: .95rem; }
.nav a { text-decoration: none; color: var(--notte-testo); }
.nav a:hover { color: #fff; }
.nav .nav__cta { color: #fff; background: var(--segnale); padding: 9px 16px; border-radius: 4px; font-weight: 500; }
.nav .nav__cta:hover { background: var(--segnale-scuro); }
.menu-btn { display: none; font: 500 .95rem var(--sans); background: none; border: 1px solid var(--notte-testo); padding: 7px 14px; border-radius: 4px; color: #fff; cursor: pointer; }

/* Bottoni */
.btn { display: inline-block; text-decoration: none; font-weight: 600; padding: 14px 22px; border-radius: 4px; border: 1.5px solid transparent; cursor: pointer; font-size: 1rem; font-family: var(--sans); text-align: center; transition: background .15s, color .15s, border-color .15s; }
.btn--segnale { background: var(--segnale); color: #fff; }
.btn--segnale:hover { background: var(--segnale-scuro); }
.btn--linea { border-color: var(--inchiostro); color: var(--inchiostro); }
.btn--linea:hover { background: var(--inchiostro); color: #fff; }
.apertura .btn--linea, .sezione--scura .btn--linea { border-color: var(--notte-testo); color: #fff; }
.apertura .btn--linea:hover { background: #fff; color: var(--inchiostro); border-color: #fff; }

.occhiello { font-family: var(--mono); font-size: .85rem; color: var(--segnale-scuro); margin-bottom: 18px; }
.occhiello::before { content: "■ "; font-size: .7em; vertical-align: 1px; }

/* Apertura */
.apertura { background: var(--notte); color: #fff; padding: 80px 0 96px; }
.apertura .occhiello, .sezione--scura .occhiello { color: var(--segnale); }
.apertura__griglia { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: start; }
.apertura__testo { font-size: 1.15rem; color: var(--notte-testo); margin: 28px 0 34px; max-width: 52ch; }
.azioni { display: flex; flex-wrap: wrap; gap: 12px; }
.cifre { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 56px 0 0; padding-top: 26px; border-top: 1px solid var(--notte-linea); }
.cifre dt { font-family: var(--display); font-size: 2.1rem; font-weight: 800; letter-spacing: -0.03em; }
.cifre dd { margin: 6px 0 0; font-size: .92rem; color: #c9d4d7; line-height: 1.4; }

/* Scheda progetto */
.scheda { margin: 6px 0 0; background: var(--bianco); color: var(--inchiostro); border-top: 6px solid var(--segnale); }
.scheda figcaption { padding: 24px 26px 18px; font-family: var(--display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em; line-height: 1.25; display: flex; flex-direction: column; gap: 6px; border-bottom: 1px solid var(--linea); }
.scheda figcaption .mono { font-family: var(--mono); font-size: .78rem; font-weight: 500; letter-spacing: 0; color: var(--inchiostro-2); }
.scheda table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.scheda th, .scheda td { text-align: left; padding: 11px 26px; border-bottom: 1px solid var(--carta-2); vertical-align: top; }
.scheda th { font-family: var(--mono); font-weight: 500; font-size: .78rem; color: var(--inchiostro-2); width: 27%; padding-right: 8px; padding-top: 13px; }
.scheda td.mono { font-size: .86rem; }
.scheda td { line-height: 1.45; }
.scheda__confronto { display: grid; grid-template-columns: 1fr 1fr auto; background: var(--carta-2); }
.scheda__confronto div { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 4px; }
.scheda__confronto div + div { border-left: 1px solid var(--linea); }
.scheda__confronto span { font-size: .78rem; color: var(--inchiostro-2); font-family: var(--mono); }
.scheda__confronto strong { font-size: .86rem; line-height: 1.35; }
.scheda__confronto div:nth-child(2) strong { color: var(--segnale-scuro); }
.scheda__confronto div:last-child { background: var(--inchiostro); color: #fff; }
.scheda__confronto div:last-child span { color: var(--notte-testo); }
.scheda__confronto div:last-child strong { font-size: 1.3rem; }

/* Fascia settori */
.fascia { background: var(--segnale); color: var(--inchiostro); }
.fascia__riga { display: flex; align-items: center; gap: 32px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
.fascia p { font-family: var(--mono); font-size: .85rem; }
.fascia ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 30px; margin: 0; padding: 0; font-family: var(--display); font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }

/* Sezioni */
.sezione { padding: 108px 0; }
.sezione--carta { background: var(--carta-2); }
.sezione--scura { background: var(--notte); color: #fff; }
.sezione--scura .sezione__sotto { color: var(--notte-testo); }
.sezione__testa { margin-bottom: 56px; }
.sezione__sotto { margin-top: 20px; color: var(--inchiostro-2); max-width: 60ch; font-size: 1.07rem; }

.voci { list-style: none; margin: 18px 0 0; padding: 0; font-size: .95rem; }
.voci li { padding: 6px 0 6px 22px; position: relative; }
.voci li::before { content: ""; position: absolute; left: 0; top: 15px; width: 7px; height: 7px; background: var(--segnale); }

/* Catalogo macchinari */
.catalogo { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--inchiostro); border-left: 1px solid var(--linea); }
.macchina { padding: 30px 28px 32px; border-right: 1px solid var(--linea); border-bottom: 1px solid var(--linea); display: flex; flex-direction: column; background: var(--carta); transition: background .15s; }
.macchina:hover { background: var(--bianco); }
.macchina__num { color: var(--segnale-scuro); font-size: .85rem; margin-bottom: 14px; }
.macchina h3 { font-size: 1.4rem; margin-bottom: 12px; min-height: 2.1em; display: flex; align-items: flex-end; }
.macchina > p:not(.macchina__num) { color: var(--inchiostro-2); font-size: .97rem; }
.specifiche { margin: auto 0 0; padding-top: 22px; font-size: .82rem; }
.specifiche div { display: grid; grid-template-columns: 96px 1fr; gap: 10px; padding: 7px 0; border-top: 1px dashed var(--linea); }
.specifiche dt { color: var(--inchiostro-2); }
.specifiche dd { margin: 0; font-family: var(--mono); font-weight: 500; }

/* Servizi */
.servizi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; }
.servizio { padding: 26px 0 34px; border-top: 1px solid var(--notte-linea); }
.servizio h3 { margin-bottom: 10px; color: #fff; }
.servizio h3::before { content: ""; display: block; width: 22px; height: 3px; background: var(--segnale); margin-bottom: 18px; }
.servizio p { color: var(--notte-testo); font-size: .97rem; }

/* Architettura ISA-95 */
.architettura { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; }
.architettura .sezione__testa { margin-bottom: 0; position: sticky; top: 100px; }
.architettura__nota { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--linea); font-size: .95rem; color: var(--inchiostro-2); max-width: 52ch; }
.architettura__nota strong { color: var(--inchiostro); }
.livelli { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--inchiostro); }
.livelli li { display: grid; grid-template-columns: 56px 1fr auto; gap: 18px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--linea); }
.livelli__n { font-size: .95rem; color: #fff; background: var(--inchiostro); width: 44px; height: 44px; display: grid; place-items: center; }
.livelli h3 { font-size: 1.2rem; margin-bottom: 2px; }
.livelli p { font-size: .92rem; color: var(--inchiostro-2); }
.livelli__p { font-size: .78rem; color: var(--segnale-scuro); text-align: right; max-width: 230px; line-height: 1.5; }

/* Fasi */
.fasi { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: fase; }
.fasi li { padding: 0 28px 0 0; position: relative; counter-increment: fase; }
.fasi li::before { content: "0" counter(fase); display: block; font-family: var(--display); font-weight: 800; font-size: 3.4rem; letter-spacing: -0.04em; line-height: 1; color: var(--segnale); padding-bottom: 18px; margin-bottom: 18px; border-bottom: 2px solid var(--inchiostro); }
.fasi__durata { font-size: .8rem; color: var(--inchiostro-2); margin-bottom: 10px; }
.fasi h3 { margin-bottom: 10px; }
.fasi p:last-child { color: var(--inchiostro-2); font-size: .97rem; }

.principi { margin-top: 96px; padding: 44px; background: var(--notte); color: #fff; }
.principi h3 { font-size: 1.8rem; margin-bottom: 30px; }
.principi__griglia { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 56px; }
.principi__griglia p { color: var(--notte-testo); }
.principi__griglia strong { color: #fff; font-weight: 600; display: block; margin-bottom: 4px; }

/* Risultati */
.tabella-scroll { overflow-x: auto; }
.risultati { width: 100%; border-collapse: collapse; min-width: 680px; }
.risultati th { text-align: left; font-family: var(--mono); font-weight: 500; font-size: .8rem; color: var(--inchiostro-2); padding: 0 16px 12px 0; border-bottom: 2px solid var(--inchiostro); }
.risultati td { padding: 20px 16px 20px 0; border-bottom: 1px solid var(--linea); vertical-align: top; }
.risultati .num { text-align: right; white-space: nowrap; }
.risultati td strong { display: block; font-family: var(--display); font-size: 1.12rem; font-weight: 700; letter-spacing: -0.02em; }
.risultati td span { display: block; font-size: .85rem; color: var(--inchiostro-2); margin-top: 3px; }
.risultati td:nth-child(2) { color: var(--inchiostro-2); font-size: .95rem; }
.risultati td:nth-child(3) { color: var(--inchiostro-2); }
.risultati td:nth-child(4) { color: var(--segnale-scuro); font-weight: 600; font-size: 1.1rem; }
.risultati th:last-child, .risultati td:last-child { padding-right: 0; }

/* Testimonianze */
.voci-clienti { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.cit { margin: 0; padding: 30px 0; border-top: 1px solid var(--linea); }
.cit blockquote { margin: 0 0 18px; font-size: 1.12rem; line-height: 1.55; }
.cit figcaption { font-size: .92rem; display: flex; flex-direction: column; }
.cit figcaption span { color: var(--inchiostro-2); }
.cit--grande { grid-column: 1 / -1; border-top: 2px solid var(--inchiostro); padding: 0 0 44px; }
.cit--grande blockquote { font-family: var(--display); font-weight: 700; letter-spacing: -0.025em; font-size: clamp(1.5rem, 2.7vw, 2.2rem); line-height: 1.22; max-width: 36ch; margin-top: 32px; }

/* Formule */
.formule { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.formula { background: var(--bianco); border: 1px solid var(--linea); padding: 34px 30px; display: flex; flex-direction: column; position: relative; }
.formula .btn { margin-top: auto; }
.formula .voci { margin-bottom: 30px; }
.formula--evidenza { background: var(--notte); color: #fff; border-color: var(--notte); }
.formula--evidenza .formula__per, .formula--evidenza .formula__prezzo .mono { color: var(--notte-testo); border-color: var(--notte-linea); }
.formula__nota { position: absolute; top: -12px; left: 28px; background: var(--segnale); color: #fff; font-size: .75rem; padding: 3px 10px; }
.formula__prezzo { font-family: var(--display); font-size: 2.4rem; font-weight: 800; letter-spacing: -0.035em; margin-top: 14px; }
.formula__prezzo .mono { font-size: .85rem; color: var(--inchiostro-2); font-weight: 400; letter-spacing: 0; }
.formula__per { color: var(--inchiostro-2); font-size: .93rem; padding-bottom: 18px; border-bottom: 1px solid var(--linea); }

/* Domande */
.domande { display: grid; grid-template-columns: 1fr 1.5fr; gap: 56px; }
.faq details { border-top: 1px solid var(--linea); }
.faq details:last-child { border-bottom: 1px solid var(--linea); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 44px 22px 0; font-family: var(--display); font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 17px; font-family: var(--mono); font-size: 1.5rem; color: var(--segnale-scuro); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 44px 24px 0; color: var(--inchiostro-2); }

/* Contatti */
.contatti { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: start; }
.recapiti { margin: 40px 0 0; }
.recapiti div { display: flex; gap: 20px; padding: 14px 0; border-top: 1px solid var(--notte-linea); }
.recapiti dt { font-family: var(--mono); font-size: .85rem; color: var(--segnale); width: 64px; padding-top: 2px; }
.recapiti dd { margin: 0; }
.recapiti a { color: #fff; }

.modulo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; background: var(--bianco); color: var(--inchiostro); padding: 34px; border-top: 6px solid var(--segnale); }
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo--pieno { grid-column: 1 / -1; }
.campo label { font-size: .88rem; font-weight: 500; }
.campo input, .campo select, .campo textarea { font: inherit; font-size: 1rem; padding: 11px 12px; border: 1px solid #b3b0a6; border-radius: 4px; background: #fff; color: var(--inchiostro); width: 100%; }
.campo textarea { resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid var(--segnale); outline-offset: 0; border-color: var(--segnale); }
.consenso { display: flex; gap: 10px; font-size: .88rem; color: var(--inchiostro-2); align-items: flex-start; }
.consenso input { margin-top: 4px; accent-color: var(--segnale); }
.modulo__errore { grid-column: 1 / -1; color: #b3261e; font-size: .9rem; }
.modulo__ok { grid-column: 1 / -1; }
.modulo__ok h3 { margin-bottom: 8px; }

/* Piede */
.piede { padding: 56px 0 28px; background: var(--notte); color: var(--notte-testo); border-top: 1px solid var(--notte-linea); font-size: .9rem; }
.piede__griglia { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.piede__griglia > * { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.piede a { text-decoration: none; }
.piede a:hover { color: #fff; }
.piede__titolo { color: var(--segnale); font-size: .8rem; margin-bottom: 4px; }
.marchio--piede { color: #fff; font-size: 1.3rem; }
.piede__legale { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 22px; border-top: 1px solid var(--notte-linea); font-size: .82rem; }

/* Pagina legale */
.legale { padding: 64px 0 96px; }
.legale .wrap { max-width: 760px; }
.legale h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 28px; }
.legale h2 { font-size: 1.35rem; margin: 36px 0 10px; max-width: none; letter-spacing: -0.02em; }
.legale p, .legale li { color: var(--inchiostro-2); }
.legale p + p { margin-top: 12px; }
.testata .btn--linea { border-color: var(--notte-testo); color: #fff; padding: 9px 16px; }

/* Responsive */
@media (max-width: 1000px) {
  .apertura__griglia { grid-template-columns: 1fr; gap: 52px; }
  .catalogo, .servizi { grid-template-columns: repeat(2, 1fr); }
  .fasi { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .formule { grid-template-columns: 1fr; max-width: 540px; }
  .domande, .contatti, .architettura { grid-template-columns: 1fr; gap: 40px; }
  .architettura .sezione__testa { position: static; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--notte); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 18px; border-bottom: 1px solid var(--notte-linea); }
  .nav.aperto { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--notte-linea); }
  .nav .nav__cta { margin-top: 12px; text-align: center; border: 0; }
  .apertura { padding: 48px 0 64px; }
  .cifre { grid-template-columns: 1fr; gap: 14px; }
  .cifre div { display: flex; gap: 14px; align-items: baseline; }
  .cifre dt { min-width: 128px; font-size: 1.6rem; }
  .scheda th, .scheda td { padding: 10px 18px; }
  .scheda figcaption, .scheda__piede { padding-left: 18px; padding-right: 18px; }
  .sezione { padding: 72px 0; }
  .sezione__testa { margin-bottom: 36px; }
  .catalogo, .servizi, .fasi { grid-template-columns: 1fr; }
  .macchina__num { margin-bottom: 20px; }
  .fasi li { padding: 0; }
  .principi { padding: 28px 20px; margin-top: 64px; }
  .principi__griglia, .voci-clienti { grid-template-columns: 1fr; }
  .modulo { grid-template-columns: 1fr; padding: 22px; }
  .macchina h3 { min-height: 0; }
  .scheda th, .scheda td { display: block; width: auto; padding: 0 18px; border: 0; }
  .scheda th { padding-top: 12px; }
  .scheda td { padding-bottom: 12px; border-bottom: 1px solid var(--carta-2); }
  .scheda__confronto { grid-template-columns: 1fr 1fr; }
  .scheda__confronto div:last-child { grid-column: 1 / -1; border-left: 0; flex-direction: row; justify-content: space-between; align-items: baseline; }
  .livelli li { grid-template-columns: 44px 1fr; }
  .livelli__p { grid-column: 2; text-align: left; max-width: none; }
  .piede__griglia { grid-template-columns: 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }