/* Stili esclusivi del contenuto di chi-siamo.html. */
.about-page {
  --about-ink: var(--ink, #0b1d32);
  --about-blue: var(--accent-copper);
  --about-blue-light: var(--accent-copper);
  --about-line: rgba(var(--accent-copper-rgb), .2);
  --about-gutter: clamp(24px, 5.8vw, 88px);
  font-family: var(--font-body);
  color: var(--about-ink);
  background: var(--surface-white, #fff);
}

.about-page .about-wide { max-width: 1600px; margin-inline: auto; }
.about-page .about-shell { max-width: 1600px; margin-inline: auto; padding-inline: var(--about-gutter); }
.about-page .about-dark { position: relative; color: #fff; background: var(--tia-navy-background); }
.about-page .about-dark { --about-blue-light: var(--accent-copper-light); }
.about-page .about-light { position: relative; background: #fbfcfe; }
.about-page .about-accent { color: var(--about-blue-light); }
.about-page .about-light .about-accent { color: var(--accent-copper); }
.about-page h1, .about-page h2, .about-page h3 { color: inherit; text-wrap: initial; }
.about-page h1 { font-size: clamp(36px, 3.6vw, 56px); line-height: 1.09; font-weight: 700; letter-spacing: -.04em; }
.about-page h2 { font-size: clamp(30px, 3.05vw, 46px); line-height: 1.1; font-weight: 700; letter-spacing: -.04em; }
.about-page h3 { font-size: 16px; line-height: 1.3; font-weight: 700; letter-spacing: -.025em; }
.about-page p { font-size: 15px; line-height: 1.55; }
.about-page strong { font-weight: 800; }
.about-page .about-eyebrow { margin-bottom: 13px; font-size: 10px; line-height: 1.5; letter-spacing: .2em; font-weight: 700; }
.about-page .about-icon { display: block; flex: 0 0 auto; width: 44px; height: 44px; color: var(--about-blue-light); }
.about-page .about-photo { display: block; width: 100%; height: 100%; object-fit: cover; background: #dce5ec; }
.about-page .about-photo--fallback { object-fit: contain; }
.about-page .about-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 100%;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid var(--button-primary);
  border-radius: 3px;
  background: var(--button-primary);
  color: #fff;
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: .055em;
  font-weight: 700;
  text-transform: uppercase;
  transition: background-color .18s, border-color .18s, color .18s;
}
.about-page .about-button .about-icon { width: 16px; height: 16px; color: currentColor; stroke-width: 2; }
.about-page .about-button:hover { color: #fff; background: var(--button-primary-hover); border-color: var(--button-primary-hover); }
.about-page .about-button--outline { color: var(--button-primary); background: transparent; }
.about-page a:focus-visible { outline: 3px solid var(--accent-copper); outline-offset: 5px; }

/* Texture di progetto limitata alle sezioni chiare. */
.about-page .about-light::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(30deg, transparent 0 76px, rgba(var(--accent-copper-rgb),.065) 77px, transparent 78px), repeating-linear-gradient(150deg, transparent 0 126px, rgba(var(--accent-copper-rgb),.05) 127px, transparent 128px);
  mask-image: linear-gradient(#000, transparent 70%);
  pointer-events: none;
}
.about-page .about-shell { position: relative; }

/* Hero: fotografia a tutta altezza e pannello diagonale. */
.about-page .about-hero { overflow: hidden; }
.about-page .about-hero__inner { position: relative; display: grid; grid-template-columns: 49% 51%; min-height: 380px; }
.about-page .about-hero__copy { position: relative; z-index: 2; align-self: center; padding: 36px 30px 38px var(--about-gutter); }
.about-page .about-lead { max-width: 480px; margin: 20px 0 24px; color: #e2eaf2; font-size: 16px; }
.about-page .about-hero__photo { position: relative; overflow: hidden; margin-left: -90px; clip-path: polygon(23% 0, 100% 0, 100% 100%, 0 100%); background: #fff; }
.about-page .about-plan-scene { position: absolute; inset: 0; transform-origin: 58% 48%; }
.about-page .about-hero__photo .about-photo { position: absolute; inset: 0; object-position: 54% 46%; transform: scale(.94); }
.about-page .about-plan-animation { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.about-page .plan-site-trace,
.about-page .plan-foundation { fill: none; stroke: var(--accent-copper); stroke-width: 3; stroke-linejoin: round; opacity: .65; }
.about-page .plan-foundation { stroke: var(--about-ink); stroke-width: 2; }
.about-page .plan-building-level { opacity: 0; }
.about-page .plan-building-front { fill: rgba(var(--accent-copper-rgb), .25); stroke: var(--accent-copper); stroke-width: 1.5; }
.about-page .plan-building-side { fill: rgba(11, 29, 50, .22); stroke: var(--about-ink); stroke-width: 1.5; }
.about-page .plan-building-roof { fill: rgba(237, 225, 207, .36); stroke: var(--about-ink); stroke-width: 2; }
.about-page .plan-building-grid { fill: none; stroke: rgba(11, 29, 50, .45); stroke-width: 1.2; }
.about-page .plan-crane { transform-origin: 1160px 220px; }
.about-page .plan-crane-boom { fill: rgba(var(--accent-copper-rgb), .2); stroke: var(--accent-copper); stroke-width: 2; }
.about-page .plan-crane-bracing,
.about-page .plan-crane-cable { fill: none; stroke: var(--accent-copper); stroke-width: 1.6; }

@keyframes about-plan-trace {
  0% { stroke-dashoffset: 1; opacity: 0; }
  12% { opacity: .65; }
  45%, 84% { stroke-dashoffset: 0; opacity: .65; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes about-plan-build {
  0%, 16% { opacity: 0; transform: translateY(0); }
  32%, 78% { opacity: .85; transform: translateY(var(--plan-rise)); }
  94%, 100% { opacity: 0; transform: translateY(var(--plan-rise)); }
}
@keyframes about-plan-crane { 0%, 100% { transform: rotate(-5deg); } 50% { transform: rotate(6deg); } }

@media (prefers-reduced-motion: no-preference) {
  .about-page :is(.plan-site-trace, .plan-foundation) { stroke-dasharray: 1; animation: about-plan-trace 24s ease-in-out infinite; }
  .about-page .plan-building-level { animation: about-plan-build 24s ease-in-out infinite; }
  .about-page .plan-building-level--one { --plan-rise: -22px; }
  .about-page .plan-building-level--two { --plan-rise: -44px; animation-delay: 2s; }
  .about-page .plan-building-level--three { --plan-rise: -66px; animation-delay: 4s; }
  .about-page .plan-crane { animation: about-plan-crane 18s ease-in-out infinite; }
}

@media (prefers-reduced-motion: reduce) {
  .about-page .about-plan-animation { display: none; }
}

/* Storia e quattro impegni, in una composizione continua. */
.about-page .about-story__inner { display: grid; grid-template-columns: 1.08fr 1fr; gap: 42px; padding-block: 38px; }
.about-page .about-story__copy { min-width: 0; }
.about-page .about-story h2 { margin-bottom: 22px; }
.about-page .about-story__text { display: grid; gap: 15px; }
.about-page .about-story__text p { font-size: 15px; line-height: 1.55; color: #2d4058; }
.about-page .about-story__text strong { color: var(--about-ink); }
.about-page .about-principles { align-self: stretch; display: grid; grid-template-rows: repeat(4, 1fr); list-style: none; border-inline-start: 1px solid var(--about-line); padding-inline-start: 26px; }
.about-page .about-principle { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr) 40%; align-items: center; gap: 18px; min-height: 106px; padding-block: 9px; border-bottom: 1px solid var(--about-line); }
.about-page .about-principle:last-child { border-bottom: 0; }
.about-page .about-principle__text { position: relative; z-index: 1; min-width: 0; padding-block: 9px; }
.about-page .about-principle h3 { margin-bottom: 7px; }
.about-page .about-principle p { color: #40526a; font-size: 13px; line-height: 1.5; }
.about-page .about-principle__photo { position: relative; align-self: center; width: calc(100% + 14px); height: 120px; margin-left: -14px; overflow: hidden; clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%); }
.about-page .about-principle__photo .about-photo { position: absolute; inset: 0; }
.about-page .about-principle__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(251,252,254,.7), transparent 35%); pointer-events: none; }
.about-page .about-principle:first-child .about-principle__photo::after { background: rgba(11, 29, 50, .09); }
.about-page .about-principle:first-child .about-photo { object-position: 80% center; }
.about-page .about-principle:last-child .about-photo { object-position: center 55%; }
/* La foto originale misura 384 px: massimo 192 CSS px per gli schermi 2x. */
.about-page .about-principle:last-child .about-principle__photo { max-width: 192px; justify-self: end; margin-left: 0; }
.about-page .about-principle:last-child .about-principle__photo::after { display: none; }
@media (min-resolution: 3dppx) {
  .about-page .about-principle:last-child .about-principle__photo { max-width: 128px; }
}

/* L'esperienza: immagine compatta sopra le tre competenze. */
.about-page .about-experience__inner { display: grid; grid-template-columns: 44% 56%; min-height: 350px; }
.about-page .about-experience__copy { position: relative; z-index: 1; padding: 32px 36px 32px var(--about-gutter); }
.about-page .about-experience__copy > p:not(.about-eyebrow) { max-width: 490px; margin: 18px 0 20px; font-size: 14px; color: #e2eaf2; }
.about-page .about-experience__visual { position: relative; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 24px; padding: 32px var(--about-gutter) 32px 32px; }
.about-page .about-experience__plan { position: relative; width: 100%; aspect-ratio: 1672 / 941; overflow: hidden; }
.about-page .about-experience__plan .about-photo { position: absolute; inset: 0; object-position: center; }
.about-page .about-highlights { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; gap: 20px; margin: 0; padding: 0; }
.about-page .about-highlights > div { min-width: 0; padding-inline-start: 20px; border-inline-start: 1px solid var(--about-blue); }
.about-page .about-highlights > div:first-child { padding-inline-start: 0; border: 0; }
.about-page .about-highlights dt { margin-bottom: 7px; color: var(--about-blue-light); font-size: clamp(22px, 2.3vw, 34px); font-weight: 700; line-height: 1.15; letter-spacing: -.03em; }
.about-page .about-highlights dd { font-size: 14px; line-height: 1.5; color: #f1f5fa; }

/* Quattro passaggi: ordine semantico e visivo identico. */
.about-page .about-method__inner { display: grid; grid-template-columns: 29% minmax(0, 1fr); align-items: center; gap: 40px; padding-block: 34px; }
.about-page .about-method h2 { font-size: clamp(28px, 2.55vw, 38px); }
.about-page .about-method__intro > p:not(.about-eyebrow) { margin: 15px 0 16px; font-size: 13px; line-height: 1.5; color: #344860; }
.about-page .about-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; }
.about-page .about-step { position: relative; min-width: 0; padding: 37px 23px 0; border-inline-start: 1px solid var(--about-line); }
.about-page .about-step__number {
  font-family: var(--font-heading); position: absolute; top: 0; inset-inline-start: 0; color: var(--accent-copper); font-size: 17px; font-weight: 700; transform: translateX(-3px); }
.about-page .about-step > .about-icon { width: 39px; height: 39px; margin-bottom: 15px; }
.about-page .about-step h3 { margin-bottom: 14px; font-size: 14px; }
.about-page .about-step p { color: #344860; font-size: 13px; line-height: 1.5; }
.about-page .about-step > .about-step__arrow { position: absolute; top: 38px; right: -12px; width: 25px; height: 25px; z-index: 1; background: #fbfcfe; }

/* Palette completa, con spazio intorno per valorizzare i materiali. */
.about-page .about-values__inner { display: grid; grid-template-columns: 51% 49%; align-items: center; min-height: 370px; }
.about-page .about-collage {
  position: relative;
  aspect-ratio: 3 / 2;
  margin: 32px 0 32px var(--about-gutter);
  background: #ebe4d8;
  transform: perspective(1200px) rotateY(-9deg) rotateX(3deg);
  transform-style: preserve-3d;
}
.about-page .about-collage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #b7a58e;
  transform: translate3d(8px, 8px, -8px);
  box-shadow: 0 26px 48px rgba(0, 0, 0, .4);
  pointer-events: none;
}
.about-page .about-collage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, .1), transparent 45%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
  transform: translateZ(2px);
  backface-visibility: hidden;
  pointer-events: none;
}
.about-page .about-collage__photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; transform: translateZ(1px); backface-visibility: hidden; }
.about-page .about-collage__photo--back { transform: rotateY(180deg) translateZ(9px); }
.about-page .about-values__copy { position: relative; padding: 30px var(--about-gutter) 30px 40px; min-width: 0; }
.about-page .about-values h2 { font-size: clamp(29px, 2.7vw, 42px); }
.about-page .about-values__lead { margin: 17px 0 25px; color: #e2eaf2; font-size: 14px; }
.about-page .about-values__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; }
.about-page .about-values__list li { min-width: 0; padding-inline: 17px; border-inline-start: 1px solid var(--about-line); }
.about-page .about-values__list li:first-child { padding-inline-start: 0; border: 0; }
.about-page .about-values__list li:last-child { padding-inline-end: 0; }
.about-page .about-values__list .about-icon { width: 37px; height: 37px; margin-bottom: 10px; }
.about-page .about-values__list h3 { margin-bottom: 7px; font-size: 14px; }
.about-page .about-values__list p { font-size: 12px; line-height: 1.5; color: #d2deeb; }

.about-page .about-contact { border-top: 1px solid var(--about-blue); color: var(--about-ink); background: #fff; }
.about-page .about-contact .about-accent { color: var(--accent-copper); }
.about-page .about-contact__inner { display: grid; grid-template-columns: 1.15fr 1fr auto; align-items: center; gap: 46px; padding-block: 33px; min-height: 156px; }
.about-page .about-contact .about-eyebrow { margin-bottom: 9px; }
.about-page .about-contact h2 { font-size: clamp(28px, 2.8vw, 42px); }
.about-page .about-contact__inner > p { color: #344860; font-size: 14px; }

/* La geometria mantiene la sua composizione anche nelle lingue RTL. */
html[dir="rtl"] .about-page :is(.about-hero__inner, .about-story__inner, .about-experience__inner, .about-method__inner, .about-values__inner, .about-contact__inner) { direction: ltr; }
html[dir="rtl"] .about-page :is(.about-hero__copy, .about-story__copy, .about-principle__text, .about-experience__copy, .about-highlights, .about-method__intro, .about-steps, .about-values__copy, .about-contact__inner > div, .about-contact__inner > p) { direction: rtl; }
html[dir="rtl"] .about-page .about-step > .about-step__arrow { right: auto; left: -12px; transform: rotate(180deg); }

@media (max-width: 1100px) and (min-width: 768px) {
  .about-page { --about-gutter: 32px; }
  .about-page h1 { font-size: 38px; }
  .about-page .about-hero__copy { padding-right: 18px; }
  .about-page .about-hero__photo { margin-left: -30px; clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%); }
  .about-page .about-lead { font-size: 15px; }
  .about-page .about-story__inner { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .about-page .about-story__copy { max-width: 850px; }
  .about-page .about-story h2 { font-size: 40px; }
  .about-page .about-principles { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(2, 1fr); gap: 0 28px; border: 0; padding: 0; }
  .about-page .about-principle { grid-template-columns: 34px minmax(0, 1fr) 32%; gap: 14px; min-height: 132px; }
  .about-page .about-principle > .about-icon { width: 34px; height: 34px; }
  .about-page .about-principle:nth-last-child(2) { border-bottom: 0; }
  .about-page .about-experience__inner { grid-template-columns: 48% 52%; }
  .about-page .about-experience__copy { padding-right: 28px; }
  .about-page .about-experience__visual { padding: 28px 32px 28px 24px; }
  .about-page .about-highlights { gap: 12px; }
  .about-page .about-highlights > div { padding-inline-start: 12px; }
  .about-page .about-highlights dt { font-size: clamp(16px, 2vw, 22px); overflow-wrap: anywhere; }
  .about-page .about-highlights dd { font-size: 12px; }
  .about-page .about-method__inner { grid-template-columns: 1fr; gap: 30px; }
  .about-page .about-method__intro { max-width: 550px; }
  .about-page .about-method h2 br { display: none; }
  .about-page .about-step { padding-inline: 24px; }
  .about-page .about-values__inner { grid-template-columns: 43% 57%; }
  .about-page .about-values__copy { padding-left: 35px; }
  .about-page .about-values__list { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .about-page .about-values__list li,
  .about-page .about-values__list li:first-child { display: grid; grid-template-columns: 37px minmax(0, 1fr); gap: 0 16px; border: 0; padding: 0; }
  .about-page .about-values__list .about-icon { grid-row: 1 / 3; margin: 0; }
  .about-page .about-contact__inner { grid-template-columns: 1fr 1fr; gap: 22px 35px; }
  .about-page .about-contact__inner > .about-button { grid-column: 2; justify-self: start; }
}

@media (max-width: 767px) {
  .about-page { --about-gutter: 24px; }
  .about-page h1 { font-size: clamp(33px, 8.8vw, 48px); }
  .about-page h2 { font-size: clamp(27px, 7.8vw, 40px); }
  .about-page p { font-size: 14px; }
  .about-page .about-eyebrow { font-size: 10px; }
  .about-page .about-button { width: 100%; min-height: 48px; font-size: 11px; }
  .about-page .about-hero__inner { display: flex; flex-direction: column; min-height: 0; }
  .about-page .about-hero__copy { padding: 36px 24px 30px; }
  .about-page .about-lead { margin-top: 18px; font-size: 15px; }
  .about-page .about-hero__photo { margin: 0; clip-path: none; aspect-ratio: 16 / 10; }
  .about-page .about-story__inner { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-block: 34px; }
  .about-page .about-story h2 { margin-bottom: 21px; }
  .about-page .about-story__text { gap: 16px; }
  .about-page .about-story__text p { font-size: 14px; line-height: 1.65; }
  .about-page .about-principles { padding: 0; border: 0; grid-template-rows: repeat(4, 1fr); }
  .about-page .about-principle { grid-template-columns: 32px minmax(0, 1fr) 28%; gap: 14px; min-height: 128px; }
  .about-page .about-principle > .about-icon { width: 32px; height: 32px; }
  .about-page .about-principle h3 { font-size: 15px; }
  .about-page .about-principle p { font-size: 12px; }
  .about-page .about-principle__photo { width: 100%; height: 108px; margin: 0; clip-path: none; }
  /* 384 x 512 -> 96 x 128: rapporto originale e riduzione esatta a 1/4.
     La colonna fissa evita dimensioni frazionarie e mantiene pixel sufficienti fino a 4x. */
  .about-page .about-principle:last-child { grid-template-columns: 32px minmax(0, 1fr) 96px; }
  .about-page .about-principle .about-principle__photo--worksite { width: 96px; height: 128px; max-width: none; }
  .about-page .about-principle__photo--worksite .about-photo { position: static; width: 96px; height: auto; object-fit: contain; }
  .about-page .about-experience__inner { display: flex; flex-direction: column; min-height: 0; }
  .about-page .about-experience__copy { padding: 34px 24px 26px; }
  .about-page .about-experience__copy > p:not(.about-eyebrow) { font-size: 14px; line-height: 1.6; }
  .about-page .about-experience__visual { padding: 0 24px 32px; }
  .about-page .about-highlights { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .about-page .about-highlights > div { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr); align-items: center; gap: 14px; padding: 15px 0 0; border-inline-start: 0; border-top: 1px solid var(--about-line); }
  .about-page .about-highlights > div:first-child { padding-top: 0; }
  .about-page .about-highlights dt { margin: 0; font-size: clamp(18px, calc(10vw - 14px), 23px); overflow-wrap: normal; }
  .about-page .about-highlights dd { font-size: 13px; }
  .about-page .about-method__inner { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-block: 34px; }
  .about-page .about-method h2 { font-size: 32px; }
  .about-page .about-method__intro > p:not(.about-eyebrow) { font-size: 14px; }
  .about-page .about-steps { grid-template-columns: minmax(0, 1fr); }
  .about-page .about-step { display: grid; grid-template-columns: 39px minmax(0, 1fr); gap: 0 20px; padding: 0 0 28px 30px; margin-left: 10px; }
  .about-page .about-step:last-child { padding-bottom: 0; }
  .about-page .about-step__number { top: 2px; left: -10px; transform: none; background: #fbfcfe; padding-block: 4px; font-size: 14px; }
  .about-page .about-step > .about-icon { grid-column: 1; grid-row: 1 / 3; margin: 0; }
  .about-page .about-step h3 { grid-column: 2; margin: 0 0 8px; font-size: 16px; }
  .about-page .about-step p { grid-column: 2; font-size: 14px; }
  .about-page .about-step > .about-step__arrow { display: none; }
  .about-page .about-values__inner { display: flex; flex-direction: column; align-items: stretch; min-height: 0; }
  .about-page .about-collage { margin: 28px 24px 8px; transform: perspective(1000px) rotateY(-4deg) rotateX(2deg); }
  .about-page .about-values__copy { padding: 32px 24px; }
  .about-page .about-values h2 { font-size: 32px; }
  .about-page .about-values__lead { font-size: 14px; line-height: 1.6; }
  .about-page .about-values__list { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .about-page .about-values__list li,
  .about-page .about-values__list li:first-child { display: grid; grid-template-columns: 37px minmax(0, 1fr); gap: 0 18px; border: 0; padding: 0; }
  .about-page .about-values__list .about-icon { grid-row: 1 / 3; margin: 0; }
  .about-page .about-values__list h3 { font-size: 16px; }
  .about-page .about-values__list p { font-size: 14px; }
  .about-page .about-contact__inner { grid-template-columns: minmax(0, 1fr); gap: 22px; padding-block: 32px; }
  .about-page .about-contact h2 { font-size: 32px; }
  html[dir="rtl"] .about-page .about-step { padding-inline: 30px 0; margin-inline: 10px 0; }
  html[dir="rtl"] .about-page .about-step__number { left: auto; right: -10px; }
}

@keyframes about-palette-turn {
  from { transform: perspective(1200px) rotateY(-9deg) rotateX(3deg); }
  to { transform: perspective(1200px) rotateY(351deg) rotateX(3deg); }
}

@media (max-width: 360px) {
  .about-page .about-principle:last-child { column-gap: 10px; }
}

@media (prefers-reduced-motion: no-preference) {
  .about-page .about-collage { animation: about-palette-turn 60s linear infinite; }
}

@media (prefers-reduced-motion: reduce) {
  .about-page .about-collage { transition: none; }
  .about-page .about-button { transition: none; }
}