/* ==========================================================================
   ENERFUEL — Design system
   Concept "Tracciato": linee sottili dal bordo, freccia gialla come unico
   accento, numerazione delle sezioni come i folio del company profile.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Font
   Fallback open source scelto in attesa delle licenze web dei font
   istituzionali (Field Gothic, Neue Haas Grotesk Display Pro).
   Per sostituirli basta aggiornare --f-display e --f-text.
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Archivo Var";
  src: url("../assets/fonts/archivo-var.woff2") format("woff2-variations"),
       url("../assets/fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter Tight Var";
  src: url("../assets/fonts/inter-tight-var.woff2") format("woff2-variations"),
       url("../assets/fonts/inter-tight-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. Token
   I colori sono ricavati dai campioni dell'IDML del company profile:
   valori stimati, non codici ufficiali del brand.
   -------------------------------------------------------------------------- */
:root {
  /* Colori di marca (dal logo) */
  --c-yellow: #F3D432;        /* campione r243 g212 b50 — accento */
  --c-orange: #CC5C1F;        /* campione r203 g92 b30 — solo logo */
  --c-navy: #2E3B70;          /* campione r46 g59 b112 — solo logo */

  /* Neutri */
  --c-ink: #262D35;           /* antracite testi (stima da CMYK 73/62/51/55) */
  --c-ink-soft: #4A525C;
  --c-mute: #656C74;          /* testi secondari su chiaro, AA su bianco */
  --c-line: rgba(38, 45, 53, .16);
  --c-line-strong: rgba(38, 45, 53, .42);
  --c-paper: #F7F7F7;         /* carta del company profile */
  --c-white: #FFFFFF;

  /* Sezioni scure */
  --c-black: #0E1013;
  --c-dark: #17191C;
  --c-dark-2: #24282D;
  --c-on-dark: #F1F1EF;
  --c-on-dark-mute: #A4A9AF;
  --c-line-dark: rgba(241, 241, 239, .16);
  --c-line-dark-strong: rgba(241, 241, 239, .4);

  /* Tipografia */
  --f-display: "Archivo Var", "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-text: "Inter Tight Var", "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --wdth-display: 125%;       /* richiama Field Gothic XWide */
  --wdth-wide: 112%;          /* richiama Field Gothic Wide */

  --fs-mega: clamp(4.5rem, 1rem + 10.5vw, 11.5rem);
  --fs-display: clamp(2.25rem, .8rem + 4.3vw, 5.25rem);
  --fs-h2: clamp(1.7rem, 1rem + 2.4vw, 3.25rem);
  --fs-h3: clamp(1.25rem, 1rem + .9vw, 1.75rem);
  --fs-num: clamp(2.75rem, 1.6rem + 3.6vw, 5.25rem);
  --fs-lead: clamp(1.125rem, 1rem + .45vw, 1.375rem);
  --fs-body: 1.0625rem;
  --fs-small: .9375rem;
  --fs-micro: .75rem;

  --lh-tight: .98;
  --lh-head: 1.06;
  --lh-body: 1.6;
  --track-caps: .08em;

  /* Spaziatura (scala 4/8) */
  --s-1: .25rem;
  --s-2: .5rem;
  --s-3: .75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;
  --s-10: 8rem;
  --section-y: clamp(5rem, 2.5rem + 8vw, 10.5rem);

  /* Griglia */
  --max: 1440px;
  --gutter: clamp(1rem, 4vw, 3.5rem);
  --gap: clamp(1rem, 2vw, 2rem);
  --edge: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));

  /* Movimento */
  --ease: cubic-bezier(.2, .7, .1, 1);
  --t-fast: .18s;
  --t-med: .45s;
  --t-slow: .9s;

  --header-h: 5.5rem;
  --radius: 2px;
}

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--c-white);
  color: var(--c-ink);
  font-family: var(--f-text);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

body.is-locked { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }
button { font: inherit; color: inherit; }

::selection { background: var(--c-yellow); color: var(--c-ink); }

:focus-visible {
  outline: 2px solid var(--c-yellow);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px var(--c-ink);
  border-radius: var(--radius);
}
.surface-dark :focus-visible { box-shadow: 0 0 0 5px var(--c-black); }

.skip-link {
  position: fixed;
  top: var(--s-3);
  left: var(--s-3);
  z-index: 200;
  padding: var(--s-3) var(--s-4);
  background: var(--c-yellow);
  color: var(--c-ink);
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform var(--t-fast) var(--ease);
}
.skip-link:focus { transform: none; }

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

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */
.container {
  width: min(100% - 2 * var(--gutter), var(--max) - 2 * var(--gutter));
  margin-inline: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
}

.section { position: relative; padding-block: var(--section-y); }
.section--tight { padding-block: calc(var(--section-y) * .6); }

/* Superfici */
.surface-white { background: var(--c-white); }
.surface-paper { background: var(--c-paper); }
.surface-dark {
  background: var(--c-dark);
  color: var(--c-on-dark);
  --c-line: var(--c-line-dark);
  --c-line-strong: var(--c-line-dark-strong);
  --c-mute: var(--c-on-dark-mute);
}
.surface-black { background: var(--c-black); }

/* Sfumatura delle pagine scure del company profile (luce in alto a destra) */
.surface-gradient {
  background:
    radial-gradient(110% 80% at 88% -10%, #75797e 0%, #474b50 30%, #24272b 62%, #15171a 100%);
}

/* Grana fotografica leggera sulle superfici scure */
.grain { isolation: isolate; }
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .22;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* --------------------------------------------------------------------------
   5. Tipografia
   -------------------------------------------------------------------------- */
.t-display,
.t-h2,
.t-h3,
.t-num,
.t-mega,
.t-caps {
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
}

/* I titoli contengono trattini facoltativi (&shy;) nelle parole più lunghe:
   restano disattivati e si attivano solo su smartphone (responsive.css). */
h1, h2, h3,
.t-display,
.next-page__title { hyphens: none; -webkit-hyphens: none; }

.t-display {
  font-size: var(--fs-display);
  font-weight: 720;
  line-height: var(--lh-tight);
  letter-spacing: -.02em;
  text-transform: uppercase;
}

.t-h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: var(--lh-head);
  letter-spacing: -.015em;
  text-transform: uppercase;
}

.t-h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
  font-stretch: var(--wdth-wide);
  line-height: 1.2;
  letter-spacing: -.005em;
}

.t-num {
  font-size: var(--fs-num);
  font-weight: 640;
  line-height: .9;
  letter-spacing: -.03em;
  font-variant-numeric: lining-nums tabular-nums;
}

.t-mega {
  font-size: var(--fs-mega);
  font-weight: 760;
  line-height: .8;
  letter-spacing: -.045em;
}

.t-caps {
  font-size: var(--fs-micro);
  font-weight: 600;
  font-stretch: var(--wdth-wide);
  letter-spacing: var(--track-caps);
  text-transform: uppercase;
}

.t-lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  letter-spacing: -.005em;
}

.t-small { font-size: var(--fs-small); }
.t-mute { color: var(--c-mute); }
.t-light { font-weight: 360; }

.measure { max-width: 36rem; }
.measure-narrow { max-width: 28rem; }

/* --------------------------------------------------------------------------
   6. Dettagli grafici: freccia, linee, intestazioni di sezione
   -------------------------------------------------------------------------- */
.arrow {
  display: inline-block;
  width: .9em;
  height: .9em;
  flex: none;
  color: var(--c-yellow);
}

/* Intestazione di sezione: linea dal bordo + numero + etichetta */
.section-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  margin-bottom: clamp(3rem, 2rem + 4vw, 6rem);
  padding-top: var(--s-5);
}
.section-head::before {
  content: "";
  position: absolute;
  top: 0;
  left: calc(-1 * var(--edge));
  width: calc(var(--edge) + 72%);
  height: 1px;
  background: var(--c-line-strong);
  transform-origin: left center;
}
.section-head--right::before {
  left: auto;
  right: calc(-1 * var(--edge));
  transform-origin: right center;
}
.section-head__index {
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: var(--fs-micro);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--c-mute);
}
.section-head__label {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}

/* Linea divisoria */
.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--c-line);
  transform-origin: left center;
}

/* --------------------------------------------------------------------------
   7. Pulsanti e link
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--c-yellow);
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-yellow);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  min-height: 3.25rem;
  padding: 0 var(--s-5);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: .8125rem;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: color var(--t-med) var(--ease), border-color var(--t-med) var(--ease), background-color var(--t-med) var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--c-ink);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--t-med) var(--ease);
}
.btn > * { position: relative; z-index: 1; }
.btn svg { width: 1em; height: 1em; transition: transform var(--t-med) var(--ease); }
.btn:hover::before { transform: scaleX(1); transform-origin: left center; }
.btn:hover { color: var(--c-white); border-color: var(--c-ink); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.surface-dark .btn::before,
.hero .btn::before { background: var(--c-white); }
.surface-dark .btn:hover,
.hero .btn:hover { color: var(--c-ink); border-color: var(--c-white); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: currentColor;
  --btn-bd: var(--c-line-strong);
}

/* Link con freccia */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding-block: var(--s-2);
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: .8125rem;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: linear-gradient(currentColor, currentColor) left bottom / 0 1px no-repeat;
  transition: background-size var(--t-med) var(--ease);
}
.link-arrow .arrow { transition: transform var(--t-med) var(--ease); }
.link-arrow:hover { background-size: 100% 1px; }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* Link testuale */
.link-u {
  background: linear-gradient(currentColor, currentColor) left bottom / 100% 1px no-repeat;
  transition: background-size var(--t-med) var(--ease), color var(--t-fast);
}
.link-u:hover { background-size: 0 1px; background-position: right bottom; }

/* --------------------------------------------------------------------------
   8. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--c-ink);
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--c-line);
  transition: background-color var(--t-med) var(--ease), color var(--t-med) var(--ease), border-color var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  height: var(--header-h);
}

/* Stato trasparente sopra l'hero */
.site-header.is-over-hero {
  color: var(--c-on-dark);
  background: transparent;
  border-bottom-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.site-header.is-hidden { transform: translateY(-100%); }

/* Logo: solo nei colori originali o interamente bianco (indicazione cliente) */
.brand {
  --logo-1: var(--c-yellow);
  --logo-2: var(--c-orange);
  --logo-3: var(--c-navy);
  display: inline-flex;
  flex: none;
  transition: opacity var(--t-fast);
}
.brand svg { width: auto; height: 3.4rem; }
.brand path { transition: fill var(--t-med) var(--ease); }
.is-over-hero .brand,
.surface-dark .brand,
.site-footer .brand {
  --logo-1: var(--c-white);
  --logo-2: var(--c-white);
  --logo-3: var(--c-white);
}
.brand:hover { opacity: .85; }

.nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.4vw, 2.75rem); }
.nav__list { display: flex; gap: clamp(1.25rem, 2.2vw, 2.5rem); }
.nav__link {
  position: relative;
  display: inline-block;
  padding-block: var(--s-2);
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: .8125rem;
  font-weight: 560;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--c-yellow);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--t-med) var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left center; }

.site-header .btn { min-height: 2.75rem; padding-inline: var(--s-4); }
.is-over-hero .btn::before { background: var(--c-white); }
.is-over-hero .btn:hover { color: var(--c-ink); border-color: var(--c-white); }

/* Pulsante menu (mobile) */
.menu-toggle {
  display: none;
  align-items: center;
  gap: var(--s-3);
  height: 2.75rem;
  padding: 0 0 0 var(--s-3);
  border: 0;
  background: none;
  cursor: pointer;
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.menu-toggle__bars { position: relative; width: 1.75rem; height: .75rem; }
.menu-toggle__bars::before,
.menu-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--t-med) var(--ease), top var(--t-med) var(--ease), width var(--t-med) var(--ease);
}
.menu-toggle__bars::before { top: 0; }
.menu-toggle__bars::after { top: calc(100% - 1.5px); width: 65%; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { top: 50%; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after { top: 50%; width: 100%; transform: rotate(-45deg); }

/* Pannello menu mobile */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + var(--s-6)) var(--gutter) var(--s-6);
  background: var(--c-black);
  color: var(--c-on-dark);
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--t-med) var(--ease), opacity var(--t-med) var(--ease), visibility 0s linear var(--t-med);
}
.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  clip-path: inset(0 0 0 0);
  transition: clip-path var(--t-med) var(--ease), opacity var(--t-fast) var(--ease), visibility 0s;
}
.mobile-menu__list { border-top: 1px solid var(--c-line-dark); }
.mobile-menu__list li { border-bottom: 1px solid var(--c-line-dark); }
.mobile-menu__link {
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
  padding: var(--s-4) 0;
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
  font-size: clamp(1.5rem, 1rem + 3vw, 2.25rem);
  font-weight: 680;
  line-height: 1.1;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease), color var(--t-fast);
}
.mobile-menu__link span { font-size: var(--fs-micro); font-weight: 500; color: var(--c-on-dark-mute); }
.mobile-menu__link:hover { color: var(--c-yellow); }
.mobile-menu.is-open .mobile-menu__link { opacity: 1; transform: none; }
.mobile-menu.is-open li:nth-child(2) .mobile-menu__link { transition-delay: .04s; }
.mobile-menu.is-open li:nth-child(3) .mobile-menu__link { transition-delay: .08s; }
.mobile-menu.is-open li:nth-child(4) .mobile-menu__link { transition-delay: .12s; }
.mobile-menu.is-open li:nth-child(5) .mobile-menu__link { transition-delay: .16s; }
.mobile-menu.is-open li:nth-child(6) .mobile-menu__link { transition-delay: .2s; }
.mobile-menu__foot {
  display: grid;
  gap: var(--s-2);
  margin-top: auto;
  padding-top: var(--s-7);
  color: var(--c-on-dark-mute);
  font-size: var(--fs-small);
}
.mobile-menu__foot a { color: var(--c-on-dark); }

/* --------------------------------------------------------------------------
   9. Immagini
   -------------------------------------------------------------------------- */
.media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--c-paper);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.media--hover:hover img { transform: scale(1.03); }
.media__caption {
  display: flex;
  gap: var(--s-3);
  margin-top: var(--s-3);
  color: var(--c-mute);
}
.media__caption::before {
  content: "";
  flex: none;
  width: 1.5rem;
  height: 1px;
  margin-top: .55em;
  background: currentColor;
}

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  padding-top: clamp(4rem, 3rem + 4vw, 7rem);
  background: var(--c-black);
  color: var(--c-on-dark);
  font-size: var(--fs-small);
  --c-mute: var(--c-on-dark-mute);
  --c-line: var(--c-line-dark);
}
.site-footer .brand svg { height: 5rem; }
.footer__top { row-gap: var(--s-7); padding-bottom: clamp(3rem, 2rem + 3vw, 5rem); }
.footer__brand { grid-column: 1 / span 4; }
.footer__brand p { margin-top: var(--s-5); max-width: 22rem; color: var(--c-mute); }
.footer__col { grid-column: span 2; }
.footer__col--wide { grid-column: span 3; }
.footer__title { margin-bottom: var(--s-4); color: var(--c-mute); }
.footer__col li + li { margin-top: var(--s-2); }
.footer__col a { transition: color var(--t-fast); }
.footer__col a:hover { color: var(--c-yellow); }
.footer__col address + .footer__title { margin-top: var(--s-5); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-3) var(--s-6);
  padding-block: var(--s-5);
  border-top: 1px solid var(--c-line);
  color: var(--c-mute);
  font-size: var(--fs-micro);
  letter-spacing: .02em;
}
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.footer__todo { color: var(--c-yellow); }

/* ==========================================================================
   HOMEPAGE
   ========================================================================== */

/* --- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  min-height: 100vh;
  min-height: 100svh;
  color: var(--c-on-dark);
  background: var(--c-black);
  isolation: isolate;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% 40%;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(14, 16, 19, .55) 0%, rgba(14, 16, 19, 0) 22%),
    linear-gradient(0deg, rgba(14, 16, 19, .9) 0%, rgba(14, 16, 19, .55) 30%, rgba(14, 16, 19, 0) 62%),
    linear-gradient(90deg, rgba(14, 16, 19, .72) 0%, rgba(14, 16, 19, .45) 38%, rgba(14, 16, 19, 0) 72%);
}
.hero__inner {
  display: grid;
  grid-template-rows: 1fr auto auto;
  padding-top: calc(var(--header-h) + var(--s-6));
}
.hero__folio {
  align-self: start;
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  color: rgba(241, 241, 239, .78);
}
.hero__title {
  grid-column: 1 / span 9;
  align-self: end;
}
.hero__title .line { display: block; }
.hero__title .line--indent { padding-left: clamp(0rem, 6vw, 7rem); }
.hero__title .line--light { font-weight: 430; }
.hero__body {
  align-items: end;
  margin-top: clamp(2rem, 1rem + 3vw, 3.5rem);
  padding-bottom: clamp(2rem, 1rem + 3vw, 3.5rem);
}
.hero__intro {
  grid-column: 1 / span 5;
  color: rgba(241, 241, 239, .86);
}
.hero__actions {
  grid-column: 7 / span 6;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: var(--s-4) var(--s-6);
}
.hero__actions .link-arrow { color: var(--c-on-dark); }
.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: var(--gap);
  padding-block: var(--s-4) var(--s-5);
  border-top: 1px solid rgba(241, 241, 239, .28);
  color: rgba(241, 241, 239, .78);
}
.hero__meta li { display: flex; align-items: center; gap: var(--s-2); }
.hero__scroll { justify-self: end; display: inline-flex; align-items: center; gap: var(--s-2); }
.hero__scroll .arrow { transform: rotate(90deg); }

/* --- Profilo ------------------------------------------------------------- */
.profile__year {
  grid-column: 1 / span 5;
  align-self: start;
}
.profile__year .t-mega { display: block; margin-left: -.06em; }
.profile__year .t-caps { display: block; margin-top: var(--s-4); color: var(--c-mute); }
.profile__text { grid-column: 7 / span 6; }
.profile__text .t-h2 { margin-bottom: var(--s-6); }
.profile__text .t-lead { margin-bottom: var(--s-5); }
.profile__text .link-arrow { margin-top: var(--s-5); }

.facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: clamp(4rem, 2rem + 5vw, 7rem);
  border-top: 1px solid var(--c-line-strong);
}
.fact { padding-top: var(--s-5); padding-right: var(--s-5); }
.fact + .fact { border-left: 1px solid var(--c-line); padding-left: var(--s-5); }
.fact .t-num { display: block; margin-bottom: var(--s-4); font-size: clamp(2.25rem, 1.2rem + 2.3vw, 4.25rem); white-space: nowrap; }
.fact .t-num sup { font-size: .45em; vertical-align: top; margin-left: .05em; }
.fact__label { font-weight: 600; }
.fact__desc { color: var(--c-mute); font-size: var(--fs-small); }

.profile__figure {
  grid-column: 4 / -1;
  margin-top: clamp(4rem, 2rem + 5vw, 7rem);
  margin-right: calc(-1 * var(--edge));
}
.profile__figure .media { aspect-ratio: 16 / 9; }
.profile__figure .media__caption { padding-right: var(--edge); }

/* --- Prodotti ------------------------------------------------------------ */
.products__head { align-items: end; margin-bottom: clamp(3rem, 2rem + 3vw, 5rem); }
.products__head .t-h2 { grid-column: 1 / span 8; }
.products__head p { grid-column: 9 / span 4; color: var(--c-mute); }

.product-index { border-top: 1px solid var(--c-line-strong); counter-reset: product; }
.product-row {
  position: relative;
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--gap);
  padding-block: clamp(1rem, .6rem + 1.4vw, 1.75rem);
  border-bottom: 1px solid var(--c-line-strong);
  transition: padding var(--t-med) var(--ease);
}
.product-row::before {
  content: "";
  position: absolute;
  inset: 0 calc(-1 * var(--s-4));
  z-index: 0;
  background: var(--c-white);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform var(--t-med) var(--ease);
}
.product-row > * { position: relative; z-index: 1; }
.product-row__n { color: var(--c-mute); }
.product-row__name {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
  font-size: clamp(1.6rem, .9rem + 3.4vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.product-row__name .arrow {
  width: .55em;
  height: .55em;
  opacity: 0;
  transform: translateX(-.4em);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.product-row__tag { color: var(--c-mute); text-align: right; }
.product-row:hover::before { transform: scaleY(1); }
.product-row:hover .product-row__name .arrow { opacity: 1; transform: none; }

.channels {
  margin-top: clamp(4rem, 2rem + 5vw, 7rem);
  row-gap: var(--s-7);
}
.channel { position: relative; padding-top: var(--s-5); border-top: 1px solid var(--c-ink); }
.channel--extra { grid-column: 1 / span 6; }
.channel--rete { grid-column: 8 / span 5; }
.channel__label { display: flex; align-items: center; gap: var(--s-2); margin-bottom: var(--s-5); }
.channel .t-h3 { margin-bottom: var(--s-4); }
.channel p { color: var(--c-ink-soft); }
.channel__products { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-5); }
.chip {
  padding: .35rem .7rem;
  border: 1px solid var(--c-line-strong);
  border-radius: 999px;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.channel__num { display: flex; align-items: flex-end; gap: var(--s-4); margin-bottom: var(--s-4); }
.channel__num .t-mega { font-size: clamp(5rem, 3rem + 6vw, 9rem); }
.channel__num span:last-child { padding-bottom: .6rem; color: var(--c-mute); }
.channels__link { grid-column: 1 / -1; }

/* --- Flessibilità -------------------------------------------------------- */
.flex-ops { overflow: hidden; }
.flex-ops__figure {
  grid-column: 1 / span 5;
  grid-row: 1 / span 3;
  margin-left: calc(-1 * var(--edge));
  align-self: start;
}
.flex-ops__figure .media { aspect-ratio: 4 / 5; background: var(--c-dark-2); }
.flex-ops__figure .media__caption { padding-left: var(--edge); }
.flex-ops .section-head { grid-column: 7 / -1; }
.flex-ops__statement { grid-column: 7 / -1; }
.flex-ops__statement .t-h2 { margin-bottom: var(--s-6); }
.flex-ops__statement .t-h2 em { font-style: normal; color: var(--c-yellow); }
.flex-ops__statement p { color: rgba(241, 241, 239, .82); }

.points {
  grid-column: 7 / -1;
  margin-top: clamp(3rem, 2rem + 3vw, 5rem);
  border-top: 1px solid var(--c-line-strong);
}
.point {
  display: grid;
  grid-template-columns: 3rem minmax(0, 14rem) minmax(0, 1fr);
  gap: var(--s-5);
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--c-line);
}
.point__n { color: var(--c-yellow); }
.point__title { font-weight: 600; }
.point p { color: var(--c-mute); font-size: var(--fs-small); }

/* --- Parco mezzi --------------------------------------------------------- */
.fleet__intro { grid-column: 1 / span 5; }
.fleet__intro .t-h2 { margin-bottom: var(--s-6); }
.fleet__intro p { color: var(--c-ink-soft); }
.fleet__intro .link-arrow { margin-top: var(--s-6); }

.fleet-sheet { grid-column: 7 / -1; }
.fleet-sheet__head {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--c-ink);
  color: var(--c-mute);
}
.fleet-sheet__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--gap);
}
.fleet-item {
  display: grid;
  grid-template-columns: minmax(3.5rem, auto) 1fr;
  align-items: start;
  gap: var(--s-4);
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--c-line-strong);
}
.fleet-item .t-num { font-size: clamp(2.5rem, 1.8rem + 2vw, 4rem); }
.fleet-item__label {
  padding-top: .35em;
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-weight: 560;
  line-height: 1.25;
}
.fleet-item__label small {
  display: block;
  margin-top: .25em;
  color: var(--c-mute);
  font-family: var(--f-text);
  font-size: var(--fs-small);
  font-weight: 400;
}

.fleet__panorama {
  margin-top: clamp(4rem, 2rem + 5vw, 7rem);
  margin-inline: calc(-1 * var(--edge));
}
.fleet__panorama .media { aspect-ratio: 3 / 1; background: var(--c-white); }
.fleet__panorama .media img { object-position: 40% 60%; }

/* --- Certificazioni ------------------------------------------------------ */
.quality__intro { grid-column: 1 / span 5; }
.quality__intro .t-h2 { margin-bottom: var(--s-6); }
.quality__intro p { color: var(--c-ink-soft); }
.cert-list {
  grid-column: 7 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--c-ink);
}
.cert {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--s-5);
  min-height: 15rem;
  padding: var(--s-5) var(--s-5) var(--s-6) 0;
  border-bottom: 1px solid var(--c-line-strong);
}
.cert:nth-child(even) { padding-left: var(--s-5); border-left: 1px solid var(--c-line-strong); }
.cert__icon { width: 2.25rem; height: 2.25rem; color: var(--c-ink); }
.cert__icon .accent { color: var(--c-yellow); }
.cert__code {
  align-self: end;
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
  font-size: clamp(1.6rem, 1.2rem + 1.3vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
}
.cert__scope { color: var(--c-mute); }
.compliance {
  grid-column: 7 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-4) var(--s-6);
  margin-top: var(--s-6);
  padding: var(--s-5) var(--s-5);
  background: var(--c-white);
  border-left: 3px solid var(--c-yellow);
}
.compliance p { margin: 0; max-width: 30rem; }
.compliance strong { font-weight: 600; }

/* --- Valori -------------------------------------------------------------- */
.values__intro {
  grid-column: 1 / span 4;
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + var(--s-6));
}
.values__intro .t-h2 { margin-bottom: var(--s-6); }
.values__intro p { color: var(--c-ink-soft); }
.values-list { grid-column: 6 / -1; border-top: 1px solid var(--c-ink); }
.value {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: baseline;
  gap: var(--gap);
  padding-block: clamp(1.25rem, 1rem + 1vw, 2rem);
  border-bottom: 1px solid var(--c-line-strong);
}
.value__n { color: var(--c-mute); font-variant-numeric: tabular-nums; }
.value__name {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
  font-size: clamp(1.4rem, 1rem + 1.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  transition: transform var(--t-med) var(--ease);
}
.value__name .arrow {
  width: .5em;
  height: .5em;
  margin-left: -.9em;
  opacity: 0;
  transition: opacity var(--t-med) var(--ease), margin var(--t-med) var(--ease);
}
.value p { margin: 0; color: var(--c-mute); font-size: var(--fs-small); }
.value:hover .value__name .arrow { margin-left: 0; opacity: 1; }

/* --- CTA finale ---------------------------------------------------------- */
.cta { padding-block: clamp(6rem, 3rem + 10vw, 12rem); overflow: hidden; }
.cta .section-head { grid-column: 1 / -1; }
.cta__title { grid-column: 1 / -1; }
.cta__title .t-display { font-size: clamp(2.5rem, .8rem + 6.4vw, 7.5rem); }
.cta__title .line { display: block; }
.cta__title .line--indent { padding-left: clamp(0rem, 10vw, 12rem); color: var(--c-on-dark-mute); }
.cta__body {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: subgrid;
  align-items: end;
  margin-top: clamp(3rem, 2rem + 4vw, 6rem);
}
.cta__body > p { grid-column: 1 / span 5; color: var(--c-on-dark-mute); }
.cta__channels { grid-column: 7 / -1; display: grid; gap: var(--s-5); }
.cta__channel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-line-strong);
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: clamp(1.1rem, .9rem + .8vw, 1.6rem);
  font-weight: 560;
  transition: color var(--t-fast), border-color var(--t-med) var(--ease);
}
.cta__channel small { display: block; color: var(--c-on-dark-mute); font-family: var(--f-text); font-size: var(--fs-micro); font-weight: 500; letter-spacing: var(--track-caps); text-transform: uppercase; }
.cta__channel .arrow { transition: transform var(--t-med) var(--ease); }
.cta__channel:hover { color: var(--c-yellow); border-color: var(--c-yellow); }
.cta__channel:hover .arrow { transform: translateX(4px); }
.cta__channels .btn { justify-self: start; margin-top: var(--s-3); }

/* ==========================================================================
   11. Animazioni di ingresso
   Il contenuto è visibile di default: le animazioni si attivano solo con
   JavaScript disponibile e senza preferenza di movimento ridotto.
   ========================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
  transition-delay: var(--d, 0s);
}
/* Il ritaglio va sul contenuto, non sul contenitore osservato:
   un elemento completamente ritagliato non risulta mai visibile
   all'IntersectionObserver e l'immagine resterebbe nascosta. */
.js [data-reveal="media"] {
  opacity: 1;
  transform: none;
}
.js [data-reveal="media"] > * {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.2s var(--ease);
  transition-delay: var(--d, 0s);
}
.js .section-head[data-reveal]::before {
  transform: scaleX(0);
  transition: transform 1.2s var(--ease) .1s;
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal="media"].is-in > * { clip-path: inset(0 0 0 0); }
.js .section-head[data-reveal].is-in::before { transform: scaleX(1); }

/* Hero: ingresso al caricamento */
.js .hero [data-enter] {
  opacity: 0;
  transform: translateY(24px);
  animation: enter 1s var(--ease) forwards;
  animation-delay: var(--d, .1s);
}
.js .hero__media img { animation: settle 2.4s var(--ease) both; }
@keyframes enter { to { opacity: 1; transform: none; } }
@keyframes settle { from { transform: scale(1.06); } to { transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
  .js [data-reveal],
  .js [data-reveal="media"] > *,
  .js .hero [data-enter] { opacity: 1; transform: none; clip-path: none; animation: none; }
  .js .section-head[data-reveal]::before { transform: none; }
}

/* ==========================================================================
   PAGINE INTERNE
   ========================================================================== */

/* --- Hero di pagina ------------------------------------------------------ */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 2rem + 4vw, 6rem));
  overflow: hidden;
}
.page-hero__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-line-strong);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--c-mute); }
.breadcrumb li + li::before { content: "/"; opacity: .6; }
.breadcrumb a { transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--c-yellow); }
.breadcrumb [aria-current] { color: inherit; }
.page-hero__index { color: var(--c-mute); font-variant-numeric: tabular-nums; }

.page-hero__title { grid-column: 1 / span 10; }
.page-hero__title .line { display: block; }
.page-hero__title .line--light { font-weight: 430; color: var(--c-on-dark-mute); }
.page-hero__lead {
  grid-column: 7 / -1;
  margin-top: clamp(2rem, 1rem + 3vw, 4rem);
  color: rgba(241, 241, 239, .84);
}
.page-hero__media {
  margin: clamp(3.5rem, 2rem + 5vw, 7rem) 0 0;
}
.page-hero__media .media { aspect-ratio: 21 / 9; background: var(--c-dark-2); }
.page-hero--compact { padding-bottom: clamp(4rem, 2rem + 5vw, 7rem); }

/* --- Blocco editoriale a due colonne ------------------------------------- */
.split { row-gap: var(--s-6); }
.split__aside { grid-column: 1 / span 4; }
.split__aside .t-h2 {
  position: sticky;
  top: calc(var(--header-h) + var(--s-6));
  font-size: clamp(1.6rem, .9rem + 2vw, 2.6rem);
}
.split__main { grid-column: 6 / -1; }
.split__main > .t-lead { margin-bottom: var(--s-6); }
.split__main p { color: var(--c-ink-soft); }
.surface-dark .split__main p { color: rgba(241, 241, 239, .8); }
.split__main .t-h3 { margin: var(--s-7) 0 var(--s-4); }
.split--reverse .split__aside { grid-column: 9 / -1; grid-row: 1; }
.split--reverse .split__main { grid-column: 1 / span 7; grid-row: 1; }

/* Testo con evidenza */
.statement {
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: clamp(1.35rem, 1rem + 1.4vw, 2.25rem);
  font-weight: 520;
  line-height: 1.25;
  letter-spacing: -.01em;
}
.statement strong { font-weight: 700; }
.statement mark { background: none; color: inherit; box-shadow: inset 0 -.32em 0 var(--c-yellow); }
.surface-dark .statement mark { box-shadow: none; color: var(--c-yellow); }

/* --- Elenco numerato con linee (riutilizzabile) -------------------------- */
.rows { border-top: 1px solid var(--c-line-strong); }
.row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 16rem) minmax(0, 1fr);
  gap: var(--gap);
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--c-line);
}
.row__n { color: var(--c-mute); }
.surface-dark .row__n { color: var(--c-yellow); }
.row__title { font-family: var(--f-display); font-stretch: var(--wdth-wide); font-weight: 600; line-height: 1.3; }
.row p { margin: 0; color: var(--c-mute); }
.feature__body .row { grid-template-columns: 2.5rem minmax(0, 8.5rem) minmax(0, 1fr); gap: var(--s-4); }

/* --- Tappe della storia -------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: clamp(3rem, 2rem + 3vw, 5rem);
}
.step {
  position: relative;
  padding-top: var(--s-6);
  border-top: 1px solid var(--c-ink);
}
.step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--c-yellow);
}
.step__mark {
  display: block;
  margin-bottom: var(--s-5);
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
  font-size: clamp(2.25rem, 1.5rem + 2.2vw, 3.75rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.03em;
}
.step .t-caps { display: block; margin-bottom: var(--s-3); color: var(--c-mute); }
.step p { color: var(--c-ink-soft); }

/* --- Figura editoriale (testo + immagine) -------------------------------- */
.feature { align-items: center; row-gap: var(--s-7); }
.feature__media { grid-column: 1 / span 6; }
.feature__media--bleed { margin-left: calc(-1 * var(--edge)); }
.feature__media .media { aspect-ratio: 1 / 1; }
.feature__body { grid-column: 8 / -1; }
.feature__body .t-h2 { margin-bottom: var(--s-6); }
.feature__body p { color: var(--c-ink-soft); }
.surface-dark .feature__body p { color: rgba(241, 241, 239, .8); }
.feature--reverse .feature__media { grid-column: 7 / -1; grid-row: 1; }
.feature--reverse .feature__media--bleed { margin-left: 0; margin-right: calc(-1 * var(--edge)); }
.feature--reverse .feature__body { grid-column: 1 / span 5; grid-row: 1; }

/* --- Galleria asimmetrica ------------------------------------------------ */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: end;
}
.gallery figure { margin: 0; }
.gallery__a { grid-column: 1 / span 7; }
.gallery__a .media { aspect-ratio: 3 / 2; }
.gallery__b { grid-column: 8 / -1; }
.gallery__b .media { aspect-ratio: 4 / 5; }
.gallery__c { grid-column: 3 / span 8; margin-top: var(--s-6) !important; }
.gallery__c .media { aspect-ratio: 16 / 7; }

/* --- Pilastri (4 ambiti) ------------------------------------------------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--c-line-strong);
}
.pillar { padding: var(--s-5) var(--s-5) var(--s-6) 0; }
.pillar + .pillar { padding-left: var(--s-5); border-left: 1px solid var(--c-line); }
.pillar__n { display: block; margin-bottom: var(--s-7); color: var(--c-yellow); }
.pillar .t-h3 { margin-bottom: var(--s-3); }
.pillar p { margin: 0; color: var(--c-mute); font-size: var(--fs-small); }

/* --- Certificazioni in dettaglio ----------------------------------------- */
.cert-rows { border-top: 1px solid var(--c-ink); }
.cert-row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.2fr);
  align-items: baseline;
  gap: var(--gap);
  padding-block: clamp(1.5rem, 1rem + 1.5vw, 2.5rem);
  border-bottom: 1px solid var(--c-line-strong);
}
.cert-row .cert__icon { align-self: center; }
.cert-row .cert__code { font-size: clamp(1.75rem, 1.2rem + 1.8vw, 3rem); }
.cert-row__scope { font-family: var(--f-display); font-stretch: var(--wdth-wide); font-weight: 600; }
.cert-row p { margin: 0; color: var(--c-mute); font-size: var(--fs-small); }

/* --- Obiettivi del sistema di controllo interno -------------------------- */
.objectives { counter-reset: obj; display: grid; gap: 0; border-top: 1px solid var(--c-line-strong); }
.objectives li {
  counter-increment: obj;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--s-4);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-line);
}
.objectives li::before {
  content: counter(obj, decimal-leading-zero);
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: var(--track-caps);
  color: var(--c-yellow);
  padding-top: .25em;
}
.surface-white .objectives li::before,
.surface-paper .objectives li::before { color: var(--c-mute); }

/* Nota istituzionale (riquadro con filetto) */
.note {
  padding: var(--s-5);
  border-left: 3px solid var(--c-yellow);
  background: var(--c-white);
  font-size: var(--fs-small);
  color: var(--c-ink-soft);
}
.surface-white .note { background: var(--c-paper); }
.surface-dark .note { background: rgba(255, 255, 255, .05); color: rgba(241, 241, 239, .8); }

/* --- Pagina successiva --------------------------------------------------- */
.next-page {
  display: block;
  padding-block: clamp(3rem, 2rem + 4vw, 6rem);
  border-top: 1px solid var(--c-line);
  transition: background-color var(--t-med) var(--ease);
}
.next-page__inner { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-6); }
.next-page__inner > span { min-width: 0; }
.next-page .arrow { flex: none; }
.next-page .t-caps { display: block; margin-bottom: var(--s-4); color: var(--c-mute); }
.next-page__title {
  font-family: var(--f-display);
  font-stretch: var(--wdth-display);
  font-size: clamp(1.9rem, 1rem + 3.6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.next-page .arrow { width: clamp(2rem, 1.5rem + 2vw, 3.5rem); height: auto; aspect-ratio: 1; transition: transform var(--t-med) var(--ease); }
.next-page:hover { background: var(--c-paper); }
.next-page:hover .arrow { transform: translateX(8px); }

/* --- CTA compatta -------------------------------------------------------- */
.cta--compact { padding-block: clamp(5rem, 3rem + 6vw, 9rem); }
.cta--compact .cta__title .t-display { font-size: clamp(2.25rem, .9rem + 4.2vw, 5rem); }

/* ==========================================================================
   CONTATTI
   ========================================================================== */
.contact { row-gap: var(--s-8); }
.contact__info { grid-column: 1 / span 4; }
.contact__form { grid-column: 6 / -1; }

.contact-block + .contact-block { margin-top: var(--s-7); }
.contact-block .t-caps { display: block; margin-bottom: var(--s-4); color: var(--c-mute); }
.contact-block address { font-size: var(--fs-lead); line-height: 1.45; }
.contact-list { border-top: 1px solid var(--c-line-strong); }
.contact-list li { border-bottom: 1px solid var(--c-line); }
.contact-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s-1) var(--s-4);
  padding-block: var(--s-4);
  transition: color var(--t-fast);
}
.contact-list small { grid-column: 1; color: var(--c-mute); font-size: var(--fs-micro); font-weight: 600; letter-spacing: var(--track-caps); text-transform: uppercase; }
.contact-list span { grid-column: 1; font-family: var(--f-display); font-stretch: var(--wdth-wide); font-size: 1.0625rem; font-weight: 560; overflow-wrap: anywhere; }
.contact-list .arrow { grid-column: 2; grid-row: 1 / span 2; transition: transform var(--t-med) var(--ease); }
.contact-list a:hover { color: var(--c-ink); }
.contact-list a:hover span { text-decoration: underline; text-decoration-color: var(--c-yellow); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.contact-list a:hover .arrow { transform: translateX(4px); }

/* --- Modulo -------------------------------------------------------------- */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-6) var(--gap); }
.form__head { grid-column: 1 / -1; }
.form__head .t-h3 { margin-bottom: var(--s-3); }
.form__head p { margin: 0; color: var(--c-mute); font-size: var(--fs-small); }
.field { display: grid; gap: var(--s-2); align-content: start; }
.field--full { grid-column: 1 / -1; }
.field label,
.field legend {
  font-family: var(--f-display);
  font-stretch: var(--wdth-wide);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: var(--track-caps);
  text-transform: uppercase;
}
.field__opt { color: var(--c-mute); font-weight: 500; text-transform: none; letter-spacing: 0; }
.field input,
.field textarea {
  width: 100%;
  padding: .85rem 0;
  border: 0;
  border-bottom: 1px solid var(--c-line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--c-ink);
  font: inherit;
  font-size: 1.0625rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field textarea { min-height: 9rem; resize: vertical; line-height: 1.5; }
.field input::placeholder,
.field textarea::placeholder { color: #8A9097; }
.field input:hover,
.field textarea:hover { border-bottom-color: var(--c-ink); }
.field input:focus,
.field textarea:focus { outline: none; border-bottom-color: var(--c-ink); box-shadow: 0 2px 0 0 var(--c-yellow); }
.field input:focus-visible,
.field textarea:focus-visible { border-radius: 0; }
.field [aria-invalid="true"] { border-bottom-color: #B3261E; }
.field__error { min-height: 1.25em; margin: 0; color: #B3261E; font-size: var(--fs-small); }
.field__error:empty { min-height: 0; }

.check { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: var(--s-3); align-items: start; }
.check input {
  appearance: none;
  -webkit-appearance: none;
  width: 1.35rem;
  height: 1.35rem;
  margin: .1rem 0 0;
  border: 1px solid var(--c-ink);
  border-radius: 0;
  background: var(--c-white);
  cursor: pointer;
  display: grid;
  place-content: center;
}
.check input::after {
  content: "";
  width: .7rem;
  height: .7rem;
  background: var(--c-ink);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  transform: scale(0);
  transition: transform var(--t-fast) var(--ease);
}
.check input:checked { background: var(--c-yellow); border-color: var(--c-ink); }
.check input:checked::after { transform: scale(1); }
.check input[aria-invalid="true"] { border-color: #B3261E; }
.check label { font-size: var(--fs-small); color: var(--c-ink-soft); cursor: pointer; }
.check .field__error { grid-column: 2; }
.todo-inline { color: #8A5A00; background: #FFF6CC; padding: 0 .25em; }

.form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4); }
.form__foot p { margin: 0; color: var(--c-mute); font-size: var(--fs-micro); }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  grid-column: 1 / -1;
  display: none;
  gap: var(--s-2);
  padding: var(--s-5);
  border-left: 3px solid var(--c-ink);
  background: var(--c-paper);
  font-size: var(--fs-small);
}
.form-status.is-visible { display: grid; }
.form-status strong { font-family: var(--f-display); font-stretch: var(--wdth-wide); font-size: 1rem; }
.form-status p { margin: 0; color: var(--c-ink-soft); }
.form-status a { text-decoration: underline; text-underline-offset: 3px; }
.form-status--success { border-left-color: #2E7D32; }
.form-status--error { border-left-color: #B3261E; }
.form-status--info { border-left-color: var(--c-yellow); }
.btn[disabled] { opacity: .55; cursor: progress; }

/* ==========================================================================
   PARTNER
   I loghi dei partner restano nei loro colori originali: nessun filtro.
   ========================================================================== */
.partners__head { align-items: end; margin-bottom: clamp(3rem, 2rem + 3vw, 5rem); row-gap: var(--s-5); }
.partners__head .t-h2 { grid-column: 1 / span 8; }
.partners__head .t-h2 .line { display: block; }
.partners__head .t-h2 mark { background: none; color: inherit; box-shadow: inset 0 -.14em 0 var(--c-yellow); }
.partners__head p { grid-column: 9 / -1; margin: 0; color: var(--c-ink-soft); }

.partner-logos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--c-ink);
  border-bottom: 1px solid var(--c-line-strong);
}
.partner-logo {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(9rem, 6rem + 9vw, 15rem);
  padding: var(--s-6) var(--s-5);
}
.partner-logo + .partner-logo { border-left: 1px solid var(--c-line-strong); }
.partner-logo img {
  width: auto;
  height: clamp(4rem, 2.5rem + 3.6vw, 6.75rem);
  max-width: min(80%, 17rem);
  object-fit: contain;
}
/* Il logo Eni è verticale: a parità di altezza risulterebbe otticamente più piccolo */
.partner-logo img[src*="partner-eni"] { height: clamp(5rem, 3rem + 4.6vw, 8.5rem); }
.partner-logo__name {
  position: absolute;
  left: var(--s-4);
  top: var(--s-3);
  color: var(--c-mute);
}
.partners__note { margin-top: var(--s-4); color: var(--c-mute); font-size: var(--fs-micro); }