/* ==========================================================================
   EXTREME S.r.l. — foglio di stile principale
   Concept "Quota": il sito come una calata in fune, dalla parete alla strada.
   Indice
   01. Token          06. Header / navigazione   11. Registro qualifiche
   02. Reset          07. Altimetro              12. Pagine interne
   03. Tipografia     08. Hero                   13. Form
   04. Layout         09. Sezioni home           14. Footer
   05. Utility        10. Gallerie / confronto   15. Motion / print
   ========================================================================== */

@import url("fonts.css");

/* 01. Token --------------------------------------------------------------- */
:root {
  /* palette: calcare, acciaio, arancio DPI */
  --stone: #ece9e2;
  --stone-2: #e2ded4;
  --stone-3: #d6d1c5;
  --ink: #15171a;
  --ink-2: #2b2e32;
  --ink-soft: #3d4044;
  --muted: #5f5c56;
  --line: #c4bfb3;
  --line-dark: #34373b;
  --signal: #ff5b1f;
  --signal-ink: #ad3306; /* arancio scurito per testo su fondo chiaro (AA) */
  --moss: #5e6b5a;
  --on-dark: #ece9e2;
  --on-dark-muted: #a9a59c;

  --f-display: "Archivo", "Arial Narrow", sans-serif;
  --f-text: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "Archivo", "Helvetica Neue", Arial, sans-serif; /* etichette tecniche: Archivo espanso, non monospace */

  /* scala tipografica fluida */
  --t-mega: clamp(3.4rem, 10.5vw, 11.5rem);
  --t-xl: clamp(2.6rem, 6.6vw, 6.4rem);
  --t-l: clamp(2rem, 4.2vw, 4rem);
  --t-m: clamp(1.45rem, 2.3vw, 2.15rem);
  --t-lead: clamp(1.18rem, 1.65vw, 1.5rem);
  --t-body: 1.0625rem;
  --t-small: 0.875rem;
  --t-mono: 0.75rem;

  /* spacing — base 8 */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4rem;
  --s-7: 6rem;
  --s-8: 8rem;
  --section: clamp(5rem, 11vw, 10rem);

  --gutter: clamp(16px, 4vw, 56px);
  --maxw: 1480px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 02. Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--f-text);
  font-size: var(--t-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
:where(ul, ol)[role="list"] { list-style: none; padding: 0; }
::selection { background: var(--signal); color: var(--ink); }

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

.skip-link {
  position: fixed;
  left: var(--gutter);
  top: -100px;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: var(--t-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* 03. Tipografia ---------------------------------------------------------- */
.display,
.h-xl, .h-l, .h-m {
  font-family: var(--f-display);
  font-stretch: 68%;
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.display { font-size: var(--t-mega); line-height: 0.86; letter-spacing: -0.02em; }
.h-xl { font-size: var(--t-xl); }
.h-l { font-size: var(--t-l); line-height: 0.96; }
.h-m { font-size: var(--t-m); line-height: 1.05; font-weight: 700; font-stretch: 80%; letter-spacing: 0; }

.lead {
  font-size: var(--t-lead);
  line-height: 1.42;
  font-weight: 450;
  text-wrap: pretty;
}
.prose p + p { margin-top: 1em; }
.prose p, .prose li { text-wrap: pretty; }
.prose h3 { margin: 2.2em 0 0.6em; }
.prose ul { padding-left: 1.1em; }
.prose li + li { margin-top: 0.4em; }
.prose li::marker { color: var(--signal); }
.prose a, .link-u {
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}
.prose a:hover, .link-u:hover { color: var(--signal-ink); }

/* etichette tecniche in monospace */
.mono, .label {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
}
.label { display: inline-flex; align-items: center; gap: 0.75em; color: var(--muted); }
.label::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: currentColor;
}
.label--plain::before { display: none; }
.is-dark .label, .label--light { color: var(--on-dark-muted); }

.accent { color: var(--signal); }
.num-outline {
  font-family: var(--f-display);
  font-stretch: 62%;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px currentColor;
}

/* 04. Layout -------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
}
.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * 0.6); }
.is-dark { background: var(--ink); color: var(--on-dark); }
.is-stone2 { background: var(--stone-2); }

/* testa di sezione con riga di quota */
.sec-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
  align-items: end;
  padding-bottom: var(--s-4);
  margin-bottom: var(--s-6);
  border-bottom: 1px solid var(--line);
}
.is-dark .sec-head { border-color: var(--line-dark); }
.sec-head .label { grid-column: 1 / 4; align-self: start; padding-top: 0.6em; }
.sec-head h2 { grid-column: 4 / 13; }
.sec-head p { grid-column: 4 / 11; margin-top: var(--s-3); }

/* 05. Utility ------------------------------------------------------------- */
.btn {
  --bg: var(--ink);
  --fg: var(--stone);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 52px;
  padding: 0.85rem 1.4rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--bg);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn svg { width: 18px; height: 18px; transition: transform 0.35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn:hover { --bg: var(--signal); --fg: var(--ink); }
.btn--signal { --bg: var(--signal); --fg: var(--ink); }
.btn--signal:hover { --bg: var(--stone); --fg: var(--ink); }
.btn--ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn--ghost:hover { background: var(--signal); color: var(--ink); border-color: var(--signal); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: 0.4rem;
  border-bottom: 1px solid currentColor;
}
.arrow-link svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease); }
.arrow-link:hover svg { transform: translateX(5px); }
.arrow-link:hover { color: var(--signal-ink); }
.is-dark .arrow-link:hover { color: var(--signal); }

.media { position: relative; overflow: hidden; background: var(--stone-3); }
.is-dark .media { background: var(--ink-2); }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media figcaption, .caption {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.75rem;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}
.is-dark .caption { color: var(--on-dark-muted); }

/* 06. Header / navigazione ------------------------------------------------ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  color: var(--ink);
  transition: transform 0.5s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease);
}
.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line);
  opacity: 0;
  transition: opacity 0.4s;
}
.site-header.is-solid { background: var(--stone); }
.site-header.is-solid::after { opacity: 1; }
.site-header.is-hidden { transform: translateY(-100%); }
/* sopra l'hero fotografico il testo è chiaro */
.has-photo-hero .site-header:not(.is-solid) { color: var(--on-dark); }

.site-header .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  line-height: 1;
}
.brand svg { width: 30px; height: 30px; flex: none; }
.brand__name {
  font-family: var(--f-display);
  font-stretch: 72%;
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: 0.01em;
}
.brand__legal {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  align-self: flex-start;
  margin-top: 0.15rem;
}

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.25rem); }
.nav__list { display: flex; gap: clamp(1rem, 2vw, 2rem); list-style: none; margin: 0; padding: 0; }
.nav__list a {
  position: relative;
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: 0.5rem;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav__list a:hover::after,
.nav__list a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav .btn { min-height: 42px; padding: 0.6rem 1rem; font-size: 0.75rem; }
.has-photo-hero .site-header:not(.is-solid) .nav .btn { --bg: var(--stone); --fg: var(--ink); }
.has-photo-hero .site-header:not(.is-solid) .nav .btn:hover { --bg: var(--signal); }

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0 0.25rem;
  background: none;
  border: 0;
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.menu-toggle__bars { width: 26px; height: 10px; position: relative; }
.menu-toggle__bars::before, .menu-toggle__bars::after {
  content: "";
  position: absolute; left: 0; right: 0;
  height: 2px; background: currentColor;
  transition: transform 0.4s var(--ease), top 0.4s var(--ease);
}
.menu-toggle__bars::before { top: 0; }
.menu-toggle__bars::after { top: 8px; }
.menu-open .menu-toggle__bars::before { top: 4px; transform: rotate(45deg); }
.menu-open .menu-toggle__bars::after { top: 4px; transform: rotate(-45deg); }

/* menu mobile a tutto schermo */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--ink);
  color: var(--on-dark);
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  visibility: hidden;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease), visibility 0s linear 0.7s;
  overflow-y: auto;
}
.menu-open .mobile-menu {
  visibility: visible;
  clip-path: inset(0 0 0 0);
  transition: clip-path 0.7s var(--ease), visibility 0s;
}
.menu-open .site-header { color: var(--on-dark); background: transparent; }
.menu-open .site-header::after { opacity: 0; }
.mobile-menu ol { list-style: none; padding: 0; margin: 0; counter-reset: m; }
.mobile-menu li { border-top: 1px solid var(--line-dark); counter-increment: m; }
.mobile-menu li a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 0;
  font-family: var(--f-display);
  font-stretch: 68%;
  font-weight: 800;
  font-size: clamp(2.2rem, 9vw, 3.4rem);
  line-height: 1;
  text-decoration: none;
}
.mobile-menu li a::before {
  content: "0" counter(m);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--signal);
  min-width: 2ch;
}
.mobile-menu__meta { margin-top: 2rem; display: grid; gap: 0.4rem; color: var(--on-dark-muted); }

@media (max-width: 1023px) {
  .nav__list, .nav .btn { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (min-width: 1024px) {
  .mobile-menu { display: none; }
}

/* 07. Altimetro ----------------------------------------------------------- */
.altimeter {
  position: fixed;
  right: clamp(12px, 1.6vw, 28px);
  top: 50%;
  z-index: 50;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  gap: 0.75rem;
  pointer-events: none;
  color: var(--ink);
  mix-blend-mode: difference;
  filter: invert(1);
}
.altimeter__scale {
  position: relative;
  width: 10px;
  height: 34vh;
  background:
    repeating-linear-gradient(to bottom, currentColor 0 1px, transparent 1px 10%) right / 6px 100% no-repeat,
    linear-gradient(currentColor, currentColor) right / 1px 100% no-repeat;
  opacity: 0.8;
}
.altimeter__mark {
  position: absolute;
  right: -3px;
  top: 0;
  width: 16px;
  height: 2px;
  background: var(--signal);
}
.altimeter__value {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
}
@media (min-width: 1100px) { .altimeter { display: flex; } }

.progress-bar {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 110;
  background: var(--signal);
  transform-origin: left;
  transform: scaleX(0);
}
@media (min-width: 1100px) { .progress-bar { display: none; } }

/* 08. Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--on-dark);
  background: var(--ink);
  overflow: hidden;
  isolation: isolate;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img {
  width: 100%;
  height: 115%;
  object-fit: cover;
  object-position: 50% 40%;
}
/* velo solo dove serve per la leggibilità */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, rgb(21 23 26 / 0.92) 0%, rgb(21 23 26 / 0.55) 38%, rgb(21 23 26 / 0) 70%),
    linear-gradient(to bottom, rgb(21 23 26 / 0.45), rgb(21 23 26 / 0) 22%);
}
.hero__contours {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  color: var(--stone);
  opacity: 0.22;
  pointer-events: none;
}
.hero__content { padding-top: calc(var(--header-h) + 3rem); padding-bottom: var(--s-4); }
.hero h1 { display: grid; gap: var(--s-3); }
.hero h1 .display { max-width: 12ch; }
.hero__kicker {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero__kicker::before { content: ""; width: 10px; height: 10px; background: var(--signal); }
.hero__foot {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
  align-items: end;
  margin-top: var(--s-5);
}
.hero__foot .lead { grid-column: 1 / 7; max-width: 38ch; color: #dcd8cf; }
.hero__actions { grid-column: 8 / 13; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: flex-end; }
.hero__data {
  border-top: 1px solid rgb(236 233 226 / 0.25);
  margin-top: var(--s-5);
}
.hero__data dl {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-2);
  padding-block: var(--s-2) var(--s-3);
}
.hero__data dt { color: var(--on-dark-muted); }
.hero__data dd { font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.8125rem; letter-spacing: 0.03em; margin-top: 0.25rem; }

@media (max-width: 899px) {
  .hero__foot .lead, .hero__actions { grid-column: 1 / -1; }
  .hero__actions { justify-content: flex-start; margin-top: var(--s-3); }
  .hero__data dl { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--s-3); }
}
@media (max-width: 560px) {
  .hero__actions .btn { flex: 1 1 100%; justify-content: space-between; }
}

/* hero delle pagine interne: editoriale, senza foto di sfondo */
.page-head {
  padding-top: calc(var(--header-h) + clamp(3rem, 9vw, 8rem));
  padding-bottom: var(--s-6);
  position: relative;
  overflow: hidden;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0 0 var(--s-5); }
.crumbs li { font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.6875rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--line); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.page-head__title { grid-column: 1 / 11; }
.page-head__aside {
  grid-column: 8 / 13;
  margin-top: var(--s-5);
  display: grid;
  gap: var(--s-3);
  align-content: start;
}
.page-head__index {
  grid-column: 1 / 5;
  margin-top: var(--s-5);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  align-self: end;
}
.page-head__contours {
  position: absolute;
  right: -10%;
  top: 0;
  width: 70%;
  height: 100%;
  color: var(--ink);
  opacity: 0.09;
  pointer-events: none;
  z-index: -1;
}
.page-band { margin-top: var(--s-2); }
.page-band .media { aspect-ratio: 21 / 9; }
@media (max-width: 899px) {
  .page-head__title, .page-head__aside, .page-head__index { grid-column: 1 / -1; }
  .page-head__aside { margin-top: var(--s-4); }
  .page-band .media { aspect-ratio: 4 / 3; }
}

/* 09. Sezioni home -------------------------------------------------------- */

/* — Premessa / manifesto */
.intro__side { grid-column: 1 / 4; display: grid; gap: var(--s-4); align-content: start; }
.intro__side .media { aspect-ratio: 3 / 4; max-width: 280px; }
.intro__body { grid-column: 5 / 13; }
.intro__quote {
  font-family: var(--f-display);
  font-stretch: 85%;
  font-weight: 500;
  font-size: clamp(1.7rem, 3.3vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}
.intro__quote em { font-style: normal; color: var(--signal-ink); }
.intro__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
  margin-top: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}
.intro__sign { margin-top: var(--s-5); display: flex; align-items: center; gap: var(--s-2); }
.intro__sign strong { font-family: var(--f-display); font-stretch: 80%; font-size: 1.25rem; font-weight: 700; display: block; }
@media (max-width: 899px) {
  .intro__side, .intro__body { grid-column: 1 / -1; }
  .intro__side { grid-template-columns: 1fr 1fr; align-items: end; margin-bottom: var(--s-5); }
  .intro__cols { grid-template-columns: 1fr; }
}

/* — Lavorazioni: scroll orizzontale fissato su desktop */
.works { overflow: hidden; }
.works__intro { padding-top: var(--section); }
.works__track {
  display: flex;
  gap: clamp(24px, 3vw, 56px);
  padding-inline: var(--gutter);
  padding-bottom: var(--section);
  width: max-content;
}
.work {
  width: min(84vw, 1180px);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(20px, 3vw, 48px);
  border-top: 1px solid var(--line-dark);
  padding-top: var(--s-3);
}
.work__text { display: flex; flex-direction: column; gap: var(--s-3); }
.work__num { font-size: clamp(4rem, 9vw, 8.5rem); line-height: 0.8; color: var(--signal); }
.work__text p { color: #cfcbc2; max-width: 46ch; }
.work__specs { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line-dark); }
.work__specs li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.work__specs li span:last-child { color: var(--on-dark-muted); text-align: right; }
.work__text .arrow-link { align-self: flex-start; margin-top: auto; }
.work__media { aspect-ratio: 4 / 3; align-self: start; }
.work__media img { height: 115%; }

@media (max-width: 1023px) {
  .works__track { flex-direction: column; width: auto; }
  .work { width: auto; grid-template-columns: 1fr; }
  .work__media { order: -1; }
  .work__media img { height: 100%; }
}

/* — Diario di cantiere */
.log__layout { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 2vw, 32px); }
.log__steps { grid-column: 1 / 5; list-style: none; padding: 0; margin: 0; counter-reset: s; }
.log__step {
  padding: var(--s-3) 0;
  border-top: 1px solid var(--line);
  transition: opacity 0.5s var(--ease);
}
.log__step:last-child { border-bottom: 1px solid var(--line); }
.log__date {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
}
.log__date::before {
  content: "";
  width: 9px; height: 9px;
  border: 1px solid currentColor;
  transition: background 0.4s, border-color 0.4s;
}
.log__step h3 { margin-top: 0.6rem; }
.log__step p { margin-top: 0.6rem; color: var(--ink-soft); max-width: 40ch; }
.log__stage { grid-column: 6 / 13; position: relative; }
.log__frame { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--stone-3); }
.log__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.log__hud {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  background: linear-gradient(to top, rgb(21 23 26 / 0.7), transparent);
  color: var(--stone);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.log__mobile-img { display: none; }

/* stato "attivo" gestito da JS solo su desktop */
.log.is-enhanced .log__step { opacity: 0.38; }
.log.is-enhanced .log__step.is-active { opacity: 1; }
.log.is-enhanced .log__step.is-active .log__date { color: var(--signal-ink); }
.log.is-enhanced .log__step.is-active .log__date::before { background: var(--signal); border-color: var(--signal); }

@media (max-width: 1023px) {
  .log__steps, .log__stage { grid-column: 1 / -1; }
  .log__stage { display: none; }
  .log__mobile-img { display: block; margin-top: var(--s-3); aspect-ratio: 4 / 3; }
}

/* — Numeri */
.figures__table { border-top: 1px solid var(--ink); }
.figure-row {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr);
  gap: clamp(12px, 2vw, 32px);
  align-items: end;
  padding-block: var(--s-3);
  border-bottom: 1px solid var(--line);
}
.figure-row__value {
  font-family: var(--f-display);
  font-stretch: 62%;
  font-weight: 800;
  font-size: clamp(4rem, 10vw, 9rem);
  line-height: 0.82;
  letter-spacing: -0.02em;
}
.figure-row__value sup { font-size: 0.32em; vertical-align: top; position: relative; top: 0.25em; margin-left: 0.1em; color: var(--signal-ink); }
.figure-row h3 { font-weight: 700; }
.figure-row p { color: var(--ink-soft); margin-top: 0.4rem; max-width: 42ch; }
.figure-row .mono { color: var(--muted); text-align: right; }
@media (max-width: 767px) {
  .figure-row { grid-template-columns: 1fr; gap: 0.6rem; }
  .figure-row .mono { text-align: left; }
}

/* — Chiusura "Quota 0" */
.descent { overflow: hidden; position: relative; isolation: isolate; }
.descent__contours {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--stone);
  opacity: 0.14;
  z-index: -1;
}
.descent__title { grid-column: 1 / 13; }
.descent__title .display { color: var(--stone); }
.descent__title .display span { color: var(--signal); }
.descent__text { grid-column: 1 / 7; margin-top: var(--s-5); color: #d3cfc6; }
.descent__actions { grid-column: 8 / 13; margin-top: var(--s-5); display: grid; gap: var(--s-2); align-content: end; }
.descent__actions .btn { justify-content: space-between; }
@media (max-width: 899px) {
  .descent__text, .descent__actions { grid-column: 1 / -1; }
}

/* separatore "rete": maglia romboidale disegnata in SVG */
.mesh-divider { display: block; width: 100%; height: clamp(60px, 9vw, 120px); color: var(--line); }
.is-dark .mesh-divider, .mesh-divider--dark { color: var(--line-dark); }

/* 10. Gallerie / confronto ------------------------------------------------ */
.aerial__bar { display: flex; align-items: end; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-4); }
.aerial__controls { display: flex; gap: 0.5rem; }
.icon-btn {
  width: 52px; height: 52px;
  display: inline-grid;
  place-items: center;
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { background: var(--signal); border-color: var(--signal); color: var(--ink); }
.icon-btn:disabled { opacity: 0.35; cursor: default; background: transparent; color: inherit; border-color: currentColor; }

.rail {
  display: flex;
  gap: clamp(12px, 1.6vw, 24px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-inline: var(--gutter);
  scroll-padding-inline: var(--gutter);
  cursor: grab;
  overscroll-behavior-x: contain;
}
.rail::-webkit-scrollbar { display: none; }
.rail.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.rail.is-dragging * { pointer-events: none; }
.rail__item { flex: none; scroll-snap-align: start; width: clamp(260px, 34vw, 520px); }
.rail__item:nth-child(3n + 2) { width: clamp(240px, 26vw, 400px); }
.rail__item .media { aspect-ratio: 4 / 3; }
.rail__item:nth-child(3n + 2) .media { aspect-ratio: 3 / 4; }
.rail__item img { user-select: none; -webkit-user-drag: none; }
.rail__count { font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.75rem; letter-spacing: 0.06em; }

/* confronto prima / dopo */
.compare {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ink);
  --pos: 50%;
  user-select: none;
  touch-action: pan-y;
}
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.compare__after { clip-path: inset(0 0 0 var(--pos)); }
.compare__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: var(--signal);
  pointer-events: none;
}
.compare__handle::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 48px; height: 48px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--signal);
  box-shadow: 0 0 0 6px rgb(255 91 31 / 0.25);
}
.compare__tag {
  position: absolute;
  top: 1rem;
  padding: 0.4rem 0.6rem;
  background: var(--ink);
  color: var(--stone);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  pointer-events: none;
}
.compare__tag--before { left: 1rem; }
.compare__tag--after { right: 1rem; background: var(--signal); color: var(--ink); }
.compare input[type="range"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}
.compare:has(input:focus-visible) { outline: 2px solid var(--signal); outline-offset: 4px; }
@media (max-width: 767px) { .compare { aspect-ratio: 4 / 5; } }

/* galleria a mosaico (pagina cantieri) */
.mosaic {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(8px, 1.2vw, 18px);
}
.mosaic__item { grid-column: span 4; }
.mosaic__item--wide { grid-column: span 8; }
.mosaic__item--tall { grid-row: span 2; }
.mosaic__item button {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}
.mosaic__item .media { height: 100%; min-height: 220px; aspect-ratio: 4 / 3; }
.mosaic__item--wide .media { aspect-ratio: auto; }
.mosaic__item--tall .media { aspect-ratio: auto; }
.mosaic__item img { transition: transform 0.9s var(--ease); }
.mosaic__item button:hover img { transform: scale(1.04); }
@media (max-width: 767px) {
  .mosaic__item, .mosaic__item--wide { grid-column: span 12; }
  .mosaic__item--tall { grid-row: auto; }
  .mosaic__item .media { aspect-ratio: 4 / 3; }
}

/* lightbox nativo <dialog> */
.lightbox {
  width: 100vw; height: 100vh; max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0;
  background: rgb(21 23 26 / 0.96);
  color: var(--stone);
}
.lightbox::backdrop { background: rgb(21 23 26 / 0.9); }
.lightbox[open] { display: grid; grid-template-rows: auto 1fr auto; }
.lightbox__top, .lightbox__bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1rem var(--gutter);
}
.lightbox__img { min-height: 0; display: grid; place-items: center; padding-inline: var(--gutter); }
.lightbox__img img { max-height: 100%; max-width: 100%; object-fit: contain; }
.lightbox .icon-btn { color: var(--stone); }

/* 11. Registro qualifiche ------------------------------------------------- */
.register { width: 100%; border-collapse: collapse; }
.register caption { text-align: left; }
.register th, .register td {
  text-align: left;
  vertical-align: top;
  padding: 1.1rem 1rem 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.register thead th {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom-color: var(--ink);
}
.register tbody th {
  font-family: var(--f-display);
  font-stretch: 75%;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}
.register td { color: var(--ink-soft); font-size: 0.95rem; }
.register td.mono { font-size: 0.75rem; color: var(--ink); }
.register a { white-space: nowrap; }
.register tbody tr { transition: background 0.3s; }
.register tbody tr:hover { background: var(--stone-2); }
@media (max-width: 899px) {
  .register thead { display: none; }
  .register, .register tbody, .register tr, .register th, .register td { display: block; }
  .register tr { padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
  .register th, .register td { border: 0; padding: 0.2rem 0; }
  .register td[data-k]::before {
    content: attr(data-k) " — ";
    font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .register tbody th { margin-bottom: 0.5rem; white-space: normal; }
}

/* 12. Pagine interne ------------------------------------------------------ */
.split { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 2vw, 32px); row-gap: var(--s-5); }
.split__aside { grid-column: 1 / 4; }
.split__aside--sticky { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
.split__main { grid-column: 5 / 12; }
.split__main--wide { grid-column: 5 / 13; }
@media (max-width: 899px) {
  .split__aside, .split__main, .split__main--wide { grid-column: 1 / -1; }
  .split__aside--sticky { position: static; }
}

.toc { list-style: none; padding: 0; margin: var(--s-3) 0 0; border-top: 1px solid var(--line); }
.toc li { border-bottom: 1px solid var(--line); }
.toc a {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 0;
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase;
  text-decoration: none; color: var(--muted);
}
.toc a:hover, .toc a.is-current { color: var(--ink); }
.toc a.is-current::after { content: "●"; color: var(--signal); }

/* elenco fasi operative numerato */
.phases { list-style: none; padding: 0; margin: var(--s-4) 0 0; counter-reset: ph; }
.phases li {
  counter-increment: ph;
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--s-2);
  padding: var(--s-3) 0;
  border-top: 1px solid var(--line);
}
.phases li::before {
  content: counter(ph, decimal-leading-zero);
  font-family: var(--f-display);
  font-stretch: 62%;
  font-weight: 800;
  font-size: 2.6rem;
  line-height: 0.9;
  color: var(--signal-ink);
}
.phases h3 { font-family: var(--f-display); font-stretch: 80%; font-weight: 700; font-size: 1.3rem; line-height: 1.15; }
.phases p { margin-top: 0.35rem; color: var(--ink-soft); }

/* coppia di immagini sfalsate */
.pair { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 2vw, 32px); align-items: start; }
.pair .media:first-child { grid-column: 1 / 8; aspect-ratio: 4 / 3; }
.pair .media:last-child { grid-column: 9 / 13; aspect-ratio: 3 / 4; margin-top: 30%; }
.pair figure { margin: 0; }
@media (max-width: 767px) {
  .pair .media:first-child { grid-column: 1 / -1; }
  .pair .media:last-child { grid-column: 4 / -1; margin-top: var(--s-2); }
}

/* scheda dati tecnici */
.spec-sheet { border-top: 1px solid var(--ink); }
.spec-sheet div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}
.spec-sheet dt { font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.6875rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); padding-top: 0.2rem; }
.spec-sheet dd { font-size: 0.95rem; }
.is-dark .spec-sheet { border-color: var(--stone); }
.is-dark .spec-sheet div { border-color: var(--line-dark); }
.is-dark .spec-sheet dt { color: var(--on-dark-muted); }

/* FAQ con <details> */
.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  cursor: pointer;
  font-family: var(--f-display);
  font-stretch: 80%;
  font-weight: 700;
  font-size: clamp(1.15rem, 1.7vw, 1.5rem);
  line-height: 1.2;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--signal-ink);
  transition: transform 0.4s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding-bottom: var(--s-4); max-width: 68ch; color: var(--ink-soft); }

/* righe "attività" alternate (hub) */
.service-row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
  row-gap: var(--s-3);
  padding-block: var(--s-6);
  border-top: 1px solid var(--line);
  align-items: start;
}
.service-row__num { grid-column: 1 / 3; font-size: clamp(3.4rem, 7vw, 6.5rem); line-height: 0.8; color: var(--ink); }
.service-row__text { grid-column: 3 / 7; display: grid; gap: var(--s-3); }
.service-row__text p { color: var(--ink-soft); }
.service-row .media { grid-column: 8 / 13; aspect-ratio: 4 / 3; }
.service-row:nth-of-type(even) .media { grid-column: 7 / 12; }
@media (max-width: 899px) {
  .service-row__num { grid-column: 1 / -1; }
  .service-row__text, .service-row .media, .service-row:nth-of-type(even) .media { grid-column: 1 / -1; }
}

/* tag list */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0; }
.tags li {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.is-dark .tags li { border-color: var(--line-dark); }

/* elenco "altre lavorazioni" in due colonne */
.index-list { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: clamp(24px, 4vw, 64px); }
.index-list li { break-inside: avoid; padding: var(--s-3) 0; border-top: 1px solid var(--line-dark); }
.index-list h3 { font-family: var(--f-display); font-stretch: 80%; font-weight: 700; font-size: 1.3rem; }
.index-list p { margin-top: 0.4rem; color: #cfcbc2; font-size: 0.97rem; }
@media (max-width: 767px) { .index-list { columns: 1; } }

/* timeline aziendale */
.milestones { list-style: none; padding: 0; margin: 0; }
.milestones li {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(12px, 2vw, 32px);
  padding: var(--s-3) 0;
  border-top: 1px solid var(--line-dark);
}
.milestones time { font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.8125rem; letter-spacing: 0.04em; color: var(--signal); padding-top: 0.25rem; }
.milestones h3 { font-family: var(--f-display); font-stretch: 80%; font-weight: 700; font-size: clamp(1.3rem, 2vw, 1.8rem); line-height: 1.1; }
.milestones p { margin-top: 0.4rem; color: #cfcbc2; max-width: 60ch; }
@media (max-width: 599px) { .milestones li { grid-template-columns: 1fr; gap: 0.3rem; } }

/* principi (pagina azienda) */
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.principles article { padding: var(--s-4) var(--s-3) var(--s-4) 0; border-bottom: 1px solid var(--line); }
.principles article + article { padding-left: var(--s-3); border-left: 1px solid var(--line); }
.principles h3 { margin: var(--s-2) 0 var(--s-1); }
.principles p { color: var(--ink-soft); }
@media (max-width: 899px) {
  .principles { grid-template-columns: 1fr; }
  .principles article + article { padding-left: 0; border-left: 0; }
}

/* sedi */
.places { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 3vw, 48px); }
.place { border-top: 1px solid var(--ink); padding-top: var(--s-3); display: grid; gap: var(--s-2); align-content: start; }
.place address { font-style: normal; font-size: 1.15rem; line-height: 1.45; }
@media (max-width: 767px) { .places { grid-template-columns: 1fr; } }

/* documento certificato (pagina certificazioni) */
.doc {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
  row-gap: var(--s-3);
  padding-block: var(--s-5);
  border-top: 1px solid var(--line);
}
.doc__code { grid-column: 1 / 4; }
.doc__code .h-l { display: block; }
.doc__code .mono { color: var(--muted); display: block; margin-top: var(--s-1); }
.doc__body { grid-column: 4 / 9; display: grid; gap: var(--s-2); align-content: start; }
.doc__body p { color: var(--ink-soft); }
.doc__meta { grid-column: 9 / 13; }
.doc__meta .spec-sheet { margin-bottom: var(--s-3); }
@media (max-width: 899px) {
  .doc__code, .doc__body, .doc__meta { grid-column: 1 / -1; }
}

/* 13. Form ---------------------------------------------------------------- */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4) var(--s-3); }
.field { display: grid; gap: 0.5rem; }
.field--full { grid-column: 1 / -1; }
.field label, .field legend {
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: 0.75rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-size: 1.1rem;
  transition: border-color 0.3s;
}
.field textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
.field select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%2315171a' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E") right center no-repeat; padding-right: 1.5rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom: 2px solid var(--signal); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
.field fieldset { border: 0; padding: 0; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.chips label {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  cursor: pointer;
  font-family: var(--f-text);
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  transition: background 0.25s, border-color 0.25s;
}
.chips input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chips label:has(input:checked) { background: var(--ink); color: var(--stone); border-color: var(--ink); }
.chips label:has(input:focus-visible) { outline: 2px solid var(--signal); outline-offset: 2px; }
.check { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.92rem; color: var(--ink-soft); }
.check input { width: 22px; height: 22px; margin: 0.1rem 0 0; accent-color: var(--ink); flex: none; }
.form__note { font-size: 0.85rem; color: var(--muted); }
.form__status { grid-column: 1 / -1; padding: 1rem 1.2rem; border-left: 3px solid var(--signal); background: var(--stone-2); }
.form__status[hidden] { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 699px) { .form { grid-template-columns: 1fr; } }

/* 14. Footer -------------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--on-dark); padding-top: var(--s-7); }
.site-footer__top {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
  row-gap: var(--s-5);
  padding-bottom: var(--s-6);
}
.site-footer__brand { grid-column: 1 / 5; display: grid; gap: var(--s-3); align-content: start; }
.site-footer__brand p { color: var(--on-dark-muted); max-width: 34ch; font-size: 0.95rem; }
.site-footer__col { grid-column: span 2; }
.site-footer__col--wide { grid-column: span 3; }
.site-footer h2 { font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums; font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-muted); margin-bottom: var(--s-2); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--signal); }
.site-footer address { font-style: normal; color: var(--stone); font-size: 0.95rem; line-height: 1.55; }
.site-footer address + h2 { margin-top: var(--s-3); }
.site-footer__giant {
  font-family: var(--f-display);
  font-stretch: 62%;
  font-weight: 900;
  font-size: clamp(5rem, 26vw, 25rem);
  line-height: 0.75;
  letter-spacing: -0.03em;
  color: var(--ink-2);
  margin-bottom: -0.06em;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
}
.site-footer__bottom {
  border-top: 1px solid var(--line-dark);
  padding-block: var(--s-3);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  font-family: var(--f-mono); font-stretch: 112%; font-variant-numeric: tabular-nums;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--on-dark-muted);
}
.site-footer__bottom ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
@media (max-width: 899px) {
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__col, .site-footer__col--wide { grid-column: span 6; }
}
@media (max-width: 479px) {
  .site-footer__col, .site-footer__col--wide { grid-column: 1 / -1; }
}

/* 15. Motion / print ------------------------------------------------------ */
/* stati iniziali applicati solo se JS + motion sono attivi (classe su <html>) */
.js-motion [data-reveal="img"] { clip-path: inset(0 0 100% 0); }
.js-motion [data-fade] { opacity: 0; transform: translateY(24px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header, .altimeter, .progress-bar, .mobile-menu, .hero__contours, .descent__contours { display: none !important; }
  body { background: #fff; }
  .is-dark { background: #fff; color: #000; }
}

/* Lavorazioni fissate in orizzontale: misure dedicate al desktop */
@media (min-width: 1024px) {
  .js-motion .works__pin { height: 100vh; display: flex; align-items: center; }
  .js-motion .works__track { padding-bottom: 0; }
  .js-motion .work { height: min(74vh, 700px); }
  .js-motion .work__media { aspect-ratio: auto; height: 100%; }
  .js-motion .works__outro { padding-bottom: var(--section); }
  .work__num { font-size: clamp(3.4rem, 6vw, 6.4rem); }
}
@media (min-width: 1024px) and (max-height: 760px) {
  .js-motion .work__specs { display: none; }
}

/* Schede servizio: blocchi di testo nella colonna principale */
.svc-block + .svc-block { margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1px solid var(--line); }
.svc-block .prose { margin-top: var(--s-4); font-size: 1.08rem; }
.svc-block .prose p:first-child { font-size: var(--t-lead); line-height: 1.45; color: var(--ink); }
.svc-block .prose { color: var(--ink-soft); }

/* elenco lavorazioni correlate */
.related a { font-family: var(--f-display); font-stretch: 78%; font-weight: 700; font-size: clamp(1.3rem, 2.4vw, 2.1rem); text-transform: none; letter-spacing: 0; color: var(--ink); padding-block: 1.1rem; align-items: center; }
.related a svg { width: 26px; height: 26px; flex: none; transition: transform 0.4s var(--ease); }
.related a:hover { color: var(--signal-ink); }
.related a:hover svg { transform: translateX(6px); }

/* capitoli del caso studio */
.chapter {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 2vw, 32px);
  row-gap: var(--s-4);
  padding-block: var(--s-6);
  border-top: 1px solid var(--line);
}
.chapter:first-child { border-top: 0; padding-top: 0; }
.chapter__head { grid-column: 1 / 4; display: grid; gap: var(--s-1); align-content: start; }
.chapter__date { font-family: var(--f-display); font-stretch: 62%; font-weight: 800; font-size: clamp(2rem, 3.6vw, 3.4rem); line-height: 0.95; }
.chapter__text { grid-column: 4 / 11; display: grid; gap: var(--s-3); }
.chapter__text .lead { color: var(--ink-soft); max-width: 52ch; }
.chapter__media { grid-column: 1 / -1; margin-top: var(--s-3); }
@media (max-width: 899px) {
  .chapter__head, .chapter__text { grid-column: 1 / -1; }
}
.descent .h-xl { color: var(--stone); }
.page-head .h-xl { display: block; }

/* Diario di cantiere su desktop: ogni fase occupa una porzione di scroll, la foto resta ferma */
@media (min-width: 1024px) {
  .log__layout { align-items: start; }
  .log.is-enhanced .log__step { min-height: 58vh; display: flex; flex-direction: column; justify-content: center; }
  .log__stage { position: sticky; top: calc(var(--header-h) + 8vh); }
}
.log__hud { z-index: 3; }
.compare img { object-position: 50% 100%; }

/* rail e track allineati alla griglia anche oltre la larghezza massima */
:root { --edge: max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter))); }
.rail { padding-inline: var(--edge); scroll-padding-inline: var(--edge); }
.works__track { padding-inline: var(--edge); }
/* la maschera di SplitText non deve tagliare i discendenti (g, p, q) */
.split-line-mask, [class*="line-mask"] { padding-bottom: 0.14em; margin-bottom: -0.14em; }
.mosaic { list-style: none; padding: 0; margin: 0; }
.site-footer__brand .btn { justify-self: start; }
/* le immagini in parallasse sono più alte del contenitore: nessun vuoto durante lo spostamento */
.media img[data-parallax] { height: 114% !important; }
@media (max-width: 899px) {
  .sec-head { row-gap: var(--s-3); margin-bottom: var(--s-5); }
  .sec-head .label, .sec-head h2, .sec-head p { grid-column: 1 / -1; }
}
@media (max-width: 899px) { .hide-mobile { display: none; } }
.lightbox__img img { max-height: calc(100svh - 150px); width: auto; }
/* variante specchiata della coppia di immagini */
@media (min-width: 768px) {
  .pair--flip .media:first-child { grid-column: 6 / 13; grid-row: 1; }
  .pair--flip .media:last-child { grid-column: 1 / 5; grid-row: 1; }
}
.mosaic__item { min-width: 0; }
.mosaic__item .media { width: 100%; }
.mosaic__item--wide .media { aspect-ratio: 8 / 3; }
@media (max-width: 767px) { .mosaic__item--wide .media { aspect-ratio: 4 / 3; } }

/* senza animazioni (prefers-reduced-motion o JS assente) le lavorazioni si impilano */
html:not(.js-motion) .works__track { flex-direction: column; width: auto; }
html:not(.js-motion) .work { width: auto; }
.hero__kicker, .hero__data { text-shadow: 0 1px 14px rgb(21 23 26 / 0.65), 0 0 2px rgb(21 23 26 / 0.5); }
.site-footer .credits a { color: var(--stone); text-decoration: underline; text-decoration-color: var(--signal); text-underline-offset: 0.25em; }

/* WordPress: barra di amministrazione e contenuti dell'editor */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
.intro__quote p { margin: 0; }
.prose > *:first-child { margin-top: 0; }
.prose h2 { font-family: var(--f-display); font-stretch: 80%; font-weight: 700; font-size: var(--t-m); line-height: 1.1; margin: 1.6em 0 0.5em; }
.prose img { height: auto; }
.alignleft { float: left; margin: 0 1.5rem 1rem 0; }
.alignright { float: right; margin: 0 0 1rem 1.5rem; }
.aligncenter { margin-inline: auto; }
.wp-caption-text { font-size: var(--t-small); color: var(--muted); }

/* Contact Form 7: adattamento del markup del plugin allo stile del tema */
.wpcf7-form-control-wrap { display: block; position: relative; }
.chips .wpcf7-form-control { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips .wpcf7-list-item { margin: 0; }
.chips .wpcf7-list-item-label { pointer-events: none; }
.field .wpcf7-acceptance .wpcf7-list-item { margin: 0; }
.field .wpcf7-acceptance label {
  display: flex; gap: 0.75rem; align-items: flex-start;
  font-family: var(--f-text); font-stretch: 100%; font-variant-numeric: normal;
  font-size: 0.92rem; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--ink-soft);
}
.field .wpcf7-acceptance input { width: 22px; height: 22px; min-height: 0; margin: 0.1rem 0 0; accent-color: var(--ink); flex: none; }
.wpcf7-not-valid-tip { display: block; margin-top: 0.4rem; font-size: 0.85rem; color: var(--signal-ink); }
.field .wpcf7-not-valid { border-bottom-color: var(--signal-ink); }
.form__actions { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: space-between; }
.wpcf7 .wpcf7-spinner { margin: 0 0 0 0.5rem; }
.wpcf7 form .wpcf7-response-output {
  margin: var(--s-4) 0 0; padding: 1rem 1.2rem;
  border: 0; border-left: 3px solid var(--signal); background: var(--stone-2); font-size: 0.95rem;
}
.wpcf7 form.sent .wpcf7-response-output { border-left-color: var(--moss); }
.wpcf7 form.init .wpcf7-response-output, .wpcf7 form.resetting .wpcf7-response-output, .wpcf7 form.submitting .wpcf7-response-output { display: none; }
.wpcf7-submit:disabled { opacity: 0.6; cursor: wait; }