/* =============================================================
   EDIL VINCI — COMPONENTI
   Componenti riutilizzabili su tutte le pagine del sito.
   Dipende da tokens.css e base.css.

   Indice:
   01 Intestazioni di sezione     06 Placeholder fotografici
   02 Bottoni                     07 Passi numerati / statistiche
   03 Link                        08 Fascia rossa "impegni"
   04 Header e navigazione        09 Cronoprogramma
   05 Card cantiere               10 Accordion / Form / Strip
                                  11 Footer / Barra mobile
   ============================================================= */


/* ============ 01 · INTESTAZIONI DI SEZIONE ============
   Titolo, eventuale eyebrow, eventuale introduzione affiancata.
   Il filetto rosso 4px esiste ancora come componente ma dal
   redesign di settembre 2026 è NASCOSTO in tutte le sezioni
   (deciso in Figma): la classe resta per poterlo riaccendere. */

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.section-head__tick {
  width: 44px;
  height: var(--tick);
  background: var(--c-red);
  margin-bottom: var(--sp-5);
}

.section-head__eyebrow { display: block; }

.section-head__title { margin-top: var(--sp-3); }

/* Variante: titolo a sinistra, introduzione a destra, allineata in basso */
.section-head--split {
  display: grid;
  gap: var(--sp-5) var(--grid-gap);
  align-items: end;
}

@media (min-width: 840px) {
  .section-head--split { grid-template-columns: 7fr 5fr; }
  .section-head--split .section-head__aside { padding-bottom: 0.4em; }
}


/* ============ 02 · BOTTONI ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  min-height: 56px;
  padding: 0.9em 1.75em;
  font-size: 1rem;
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-0);
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition:
    background-color var(--dur-1) var(--ease-out),
    border-color var(--dur-1) var(--ease-out),
    color var(--dur-1) var(--ease-out);
}

.btn .icon { flex: none; transition: transform var(--dur-2) var(--ease-out); }
.btn:hover .icon { transform: translateX(4px); }

/* Primario: l'unico rosso pieno. Uno solo per schermata. */
.btn--primary {
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-white);
}
.btn--primary:hover {
  background: var(--c-red-dark);
  border-color: var(--c-red-dark);
  color: var(--c-white);
}
.btn--primary:active { background: var(--c-red-dark); }

/* Secondario: contorno grafite */
.btn--ghost {
  border-color: var(--c-ink);
  color: var(--c-ink);
}
.btn--ghost:hover {
  background: var(--c-ink);
  color: var(--c-white);
}

/* Secondario su fondo scuro */
.btn--ghost-dark {
  border-color: rgba(246, 244, 241, 0.4);
  color: var(--c-on-dark);
}
.btn--ghost-dark:hover {
  background: var(--c-white);
  border-color: var(--c-white);
  color: var(--c-ink);
}

/* Secondario su fondo rosso */
.btn--ghost-red {
  border-color: rgba(255, 255, 255, 0.85); /* ≥3:1 sul rosso (WCAG 1.4.11) */
  color: var(--c-white);
}
.btn--ghost-red:hover {
  background: var(--c-white);
  border-color: var(--c-white);
  color: var(--c-red);
}

.btn--sm { min-height: 46px; padding: 0.6em 1.3em; font-size: 0.9375rem; }

/* Bottone tondo: frecce dello slider e CTA dei pannelli del metodo.
   Il bordo si ricava da currentColor e i colori dello stato hover
   sono variabili, così lo stesso bottone funziona sulla card rossa
   e sulle foto scure senza varianti. */
.btn-round {
  --ring: color-mix(in srgb, currentColor 45%, transparent);
  --btn-round-pieno: var(--c-on-red);
  --btn-round-icona: var(--c-red);
  inline-size: 56px;
  block-size: 56px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--ring);
  border-radius: 50%;
  background: none;
  color: var(--c-on-red);
  cursor: pointer;
  transition: background-color var(--dur-1) var(--ease-out),
              border-color var(--dur-1) var(--ease-out),
              color var(--dur-1) var(--ease-out);
}

.btn-round:hover {
  background-color: var(--btn-round-pieno);
  border-color: var(--btn-round-pieno);
  color: var(--btn-round-icona);
}

.btn-round:disabled {
  --ring: color-mix(in srgb, currentColor 22%, transparent);
  opacity: 0.35;
  cursor: default;
}

.btn-round .icon {
  transition: transform var(--dur-1) var(--ease-out);
}

.btn-round:hover .icon { transform: translateX(3px); }

/* La freccia "indietro" è la stessa, girata. */
[data-slide-prev] .icon { transform: rotate(180deg); }
[data-slide-prev]:hover .icon { transform: rotate(180deg) translateX(4px); }

@media (max-width: 839px) {
  .btn-round { inline-size: 48px; block-size: 48px; }
}

.btn[disabled],
.btn.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}


/* ============ 03 · LINK ============ */

/* Link azione: peso pieno + freccia che avanza */
.link-action {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  color: inherit;
}
.link-action .icon {
  flex: none;
  color: var(--c-red);
  transition: transform var(--dur-2) var(--ease-out);
}
.link-action:hover { color: var(--c-red); }
.link-action:hover .icon { transform: translateX(4px); }

.on-dark .link-action:hover { color: var(--c-white); }

/* Link azione grande, editoriale */
.link-big {
  font-size: var(--fs-2);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-tight);
}
.link-big .icon { width: 0.85em; height: 0.85em; }

/* Link testuale con sottolineatura che cresce */
.link-underline {
  position: relative;
  text-decoration: none;
  font-weight: var(--fw-medium);
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25em;
  width: 100%;
  height: 2px;
  background: var(--c-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-2) var(--ease-out);
}
.link-underline:hover::after,
.link-underline[aria-current="page"]::after { transform: scaleX(1); }


/* ============ 04 · HEADER E NAVIGAZIONE ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--c-white);
  border-bottom: var(--hairline);
  transition: box-shadow var(--dur-2) var(--ease-out);
}

.site-header.is-scrolled { box-shadow: var(--shadow-header); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  min-height: 64px;
}

@media (min-width: 1080px) {
  .site-header__inner { min-height: 80px; }
}

/* Marchio */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: inherit;
}
.brand:hover { color: inherit; }
/* Lockup unico: il vettoriale contiene già il nome, nessun wordmark tipografico */
.brand__logo {
  width: auto;
  height: 40px;
  flex: none;
}

@media (min-width: 1080px) {
  .brand__logo { height: 48px; }
}

/* Navigazione desktop */
.nav {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: clamp(1.25rem, 2vw, 2rem);
}

@media (min-width: 1080px) {
  .nav { display: flex; }
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  color: var(--c-ink);
  background: none;
  border: 0;
  padding: 0;
}

.nav__item { position: relative; }

/* Tendina "Cosa facciamo" */
.nav__caret { transition: transform var(--dur-2) var(--ease-out); }
.nav__item.is-open .nav__caret { transform: rotate(180deg); }

.nav__menu {
  position: absolute;
  top: calc(100% + 18px);
  left: -20px;
  min-width: 320px;
  background: var(--c-white);
  border: var(--hairline);
  box-shadow: var(--shadow-header);
  padding: var(--sp-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity var(--dur-2) var(--ease-out),
    transform var(--dur-2) var(--ease-out),
    visibility 0s linear var(--dur-2);
}

.nav__item.is-open .nav__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

/* Fallback senza JavaScript: la tendina si apre in hover/focus */
.no-js .nav__item--has-menu:hover .nav__menu,
.no-js .nav__item--has-menu:focus-within .nav__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.nav__menu a {
  display: block;
  padding: var(--sp-3) var(--sp-5);
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  text-decoration: none;
}
.nav__menu a:hover { background: var(--c-calce); color: var(--c-red); }
.nav__menu .meta { display: block; margin-top: 2px; font-size: 0.6875rem; }

/* Mega-menu a due colonne: i due assi commerciali (doc 03 §C.2).
   La divisione non è estetica — dice al visitatore in mezzo secondo
   se il sito parla a lui. */
.nav__menu--mega {
  left: -24px;
  min-width: 34rem;
  max-width: calc(100vw - 4rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: var(--sp-5) 0 var(--sp-3);
}

.nav__menu-group + .nav__menu-group { border-left: var(--hairline); }

.nav__menu-heading {
  display: block;
  padding: 0 var(--sp-5) var(--sp-3);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--c-ink-2);
}

/* Azioni header */
.site-header__actions {
  display: none;
  align-items: center;
  gap: var(--sp-5);
  margin-left: var(--sp-2);
}

@media (min-width: 1080px) {
  .site-header__actions { display: flex; }
}

.site-header__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-semibold);
  font-size: 0.9375rem;
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}

/* Toggle mobile */
.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
}

@media (min-width: 1080px) {
  .nav-toggle { display: none; }
}

.nav-toggle__box {
  position: relative;
  width: 24px;
  height: 14px;
}
.nav-toggle__box::before,
.nav-toggle__box::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-ink);
  transition: transform var(--dur-2) var(--ease-out);
}
.nav-toggle__box::before { top: 0; }
.nav-toggle__box::after { bottom: 0; }

.menu-open .nav-toggle__box::before { transform: translateY(6px) rotate(45deg); }
.menu-open .nav-toggle__box::after  { transform: translateY(-6px) rotate(-45deg); }

/* Menu mobile a schermo pieno */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  background: var(--c-calce);
  padding: calc(64px + var(--sp-6)) var(--container-pad) var(--sp-8);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--dur-2) var(--ease-out),
    transform var(--dur-2) var(--ease-out),
    visibility 0s linear var(--dur-2);
}

.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.menu-open { overflow: hidden; }

/* Fallback senza JavaScript: menu sempre visibile, niente toggle */
.no-js .nav-toggle { display: none; }

.no-js .mobile-menu {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  padding: var(--sp-6) var(--container-pad);
}

.mobile-menu__list > li { border-bottom: var(--hairline); }

.mobile-menu__list a,
.mobile-menu__label {
  display: block;
  padding: var(--sp-4) 0;
  font-size: var(--fs-2);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-display);
  text-decoration: none;
}

.mobile-menu__label { padding-bottom: var(--sp-2); }

.mobile-menu__sub a {
  padding: var(--sp-2) 0 var(--sp-2) var(--sp-5);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--c-ink-2);
}
.mobile-menu__sub { padding-bottom: var(--sp-3); }

/* Etichetta d'asse dentro la voce "Cosa facciamo" */
.mobile-menu__group {
  padding: var(--sp-2) 0 var(--sp-1) var(--sp-5);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--c-ink);
}

.mobile-menu__foot {
  margin-top: var(--sp-6);
  display: grid;
  gap: var(--sp-3);
}

@media (min-width: 1080px) {
  .mobile-menu { display: none; }
}


/* ============ 05 · CARD CANTIERE ============
   Scheda d'archivio: metadati fissi, sempre nello stesso ordine
   (doc 02 §2.1 — pattern "scheda progetto standardizzata"). */

.card-project {
  position: relative;
  display: flex;
  flex-direction: column;
}

.card-project__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-project__media .ph,
.card-project__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease-out);
}

.card-project:hover .card-project__media .ph,
.card-project:hover .card-project__media img,
.card-project:focus-within .card-project__media .ph,
.card-project:focus-within .card-project__media img {
  transform: scale(1.04);
}

/* Bordo inferiore rosso 4px in hover (doc 02 §4.3) */
.card-project__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  width: 100%;
  height: 4px;
  background: var(--c-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-2) var(--ease-out);
}

.card-project:hover .card-project__media::after,
.card-project:focus-within .card-project__media::after { transform: scaleX(1); }

.card-project__index {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  padding: var(--sp-2) var(--sp-3);
  background: var(--c-white);
  font-size: var(--fs-meta);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  font-variant-numeric: tabular-nums;
}

.card-project__body {
  display: grid;
  gap: var(--sp-2);
  padding-top: var(--sp-4);
}

.card-project__title { font-size: var(--fs-3); }

.card-project__title a { text-decoration: none; }

/* Tutta la card è cliccabile */
.card-project__title a::after {
  content: "";
  position: absolute;
  inset: 0;
}

/* Stesso registro maiuscoletto del resto dei metadati (effetto archivio) */
.card-project__data { font-variant-numeric: tabular-nums; }

.card-project__cta {
  margin-top: var(--sp-1);
  font-size: var(--fs-small);
}

/* Il layer cliccabile copre lo span: l'hover va pilotato dalla card */
.card-project:hover .card-project__cta,
.card-project:focus-within .card-project__cta { color: var(--c-red); }

.card-project:hover .card-project__cta .icon,
.card-project:focus-within .card-project__cta .icon { transform: translateX(4px); }


/* ============ 06 · PLACEHOLDER FOTOGRAFICI ============
   Superfici "materia" in attesa del servizio fotografico
   (doc 02 §4.5): intonaco a luce radente, cemento, cantiere.
   Non sono decorazione: tengono il posto di un registro
   fotografico preciso e vanno sostituiti 1:1. */

.ph {
  position: relative;
  min-height: 200px;
  background-color: #EDEAE5;
  background-image:
    linear-gradient(112deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0) 42%),
    linear-gradient(292deg, rgba(26, 23, 20, 0.14) 0%, rgba(26, 23, 20, 0) 48%),
    radial-gradient(130% 90% at 12% 6%, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0) 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.06'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.ph--cement {
  background-color: #DBD7D1;
  background-image:
    linear-gradient(118deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 46%),
    linear-gradient(298deg, rgba(26, 23, 20, 0.2) 0%, rgba(26, 23, 20, 0) 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.08'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.ph--dark {
  background-color: #232120;
  background-image:
    linear-gradient(110deg, rgba(246, 244, 241, 0.16) 0%, rgba(246, 244, 241, 0) 45%),
    linear-gradient(290deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.1'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.ph__tag {
  position: absolute;
  left: var(--sp-4);
  bottom: var(--sp-3);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--c-ink-2);
}

.ph__tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  flex: none;
}

.ph--dark .ph__tag { color: rgba(246, 244, 241, 0.6); }

/* Con la fotografia reale: aggiungere .ph--photo. La velatura
   (--c-scrim, doc 02 §4.3) tiene leggibile l'etichetta sul basso
   dell'immagine senza toccare altro CSS. */
.ph--photo::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 45%;
  background: linear-gradient(to top, var(--c-scrim), transparent);
  pointer-events: none;
}

.ph--photo .ph__tag {
  color: rgba(255, 255, 255, 0.88);
  z-index: 1;
}


/* ============ 07 · PASSI NUMERATI E STATISTICHE ============ */

/* Numeratori rossi 01 → 04 (doc 02 §4.3) */
.step {
  border-top: var(--hairline);
  padding-top: var(--sp-5);
}

.step__num {
  font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.5rem);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--ls-display);
  color: var(--c-red);
  line-height: 1;
}

.step__title {
  margin-top: var(--sp-4);
  font-size: var(--fs-3);
}

.step__text {
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  color: var(--c-ink-2);
}

/* Numeri grandi, precisi, animati una sola volta */
.stat__value {
  display: block;
  font-size: var(--fs-num-xl);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat__label {
  display: block;
  margin-top: var(--sp-2);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--sp-6) var(--sp-5);
}


/* ============ 08 · FASCIA ROSSA "IMPEGNI" ============
   L'unica area a rosso pieno del sito (doc 02 §4.3).
   Un solo peso tipografico, nessuna icona, nessuna foto. */

.pledges { font-weight: var(--fw-semibold); }

.pledges__title {
  font-size: var(--fs-1);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-display);
  line-height: 1.08;
  max-width: 22ch;
}

.pledges__grid {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  gap: var(--sp-6);
}

@media (min-width: 840px) {
  .pledges__grid { grid-template-columns: repeat(3, 1fr); gap: 0; }
  .pledges__item { padding-inline: var(--sp-6); border-left: 1px solid var(--c-line-on-red); }
  .pledges__item:first-child { padding-left: 0; border-left: 0; }
  .pledges__item:last-child { padding-right: 0; }
}

.pledges__num {
  display: block;
  font-size: clamp(2.75rem, 2rem + 2.6vw, 4.25rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--ls-display);
  line-height: 1;
  color: rgba(255, 255, 255, 0.45);
}

.pledges__text {
  margin-top: var(--sp-4);
  font-size: var(--fs-body-l);
  line-height: 1.55;
  max-width: 34ch;
}


/* ============ 09 · CRONOPROGRAMMA ============
   La firma visiva del posizionamento: la data, resa visibile.
   Riusabile nella pagina "Il metodo". */

.chrono {
  background: var(--c-white);
  border: var(--hairline);
  box-shadow: var(--shadow-card);
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.chrono__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: var(--hairline);
}

.chrono__rows {
  display: grid;
  gap: var(--sp-3);
  padding-block: var(--sp-4);
}

.chrono__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: center;
  gap: var(--sp-3);
}

.chrono__label {
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--c-ink-2);
  white-space: nowrap;
}

.chrono__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  height: 10px;
  /* tacche settimanali */
  background-image: repeating-linear-gradient(
    to right,
    var(--c-line) 0 1px,
    transparent 1px calc(100% / 12)
  );
}

.chrono__bar {
  grid-row: 1;
  /* --gs = settimana di inizio · --gw = numero di settimane */
  grid-column: var(--gs) / span var(--gw, 1);
  background: var(--c-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 450ms var(--ease-out);
  transition-delay: calc(var(--bi, 0) * 80ms);
}

.is-visible .chrono__bar,
.no-js .chrono__bar { transform: scaleX(1); }

.chrono__milestone {
  grid-row: 1;
  grid-column: 12;
  justify-self: end;
  align-self: center;
  width: 10px;
  height: 10px;
  background: var(--c-red);
  transform: rotate(45deg);
}

.chrono__foot {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  border-top: var(--hairline);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--c-ink-2);
}

/* Trattino in grafite: nella card l'unico segnale rosso
   resta il rombo della consegna (budget rosso, doc 02 §4.3) */
.chrono__foot::before {
  content: "";
  width: 16px;
  height: 4px;
  background: var(--c-ink);
  flex: none;
}

@media (prefers-reduced-motion: reduce) {
  .chrono__bar { transform: scaleX(1); transition: none; }
}


/* ============ 10 · ACCORDION, FORM, STRIP ============ */

/* Accordion (FAQ) — <details> nativo, icona più/meno */
.accordion { border-top: var(--hairline); }

.accordion__item { border-bottom: var(--hairline); }

.accordion__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  padding: var(--sp-4) 0;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body-l);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-1) var(--ease-out);
}

.accordion__summary::-webkit-details-marker { display: none; }
.accordion__summary:hover { color: var(--c-red); }

.accordion__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  margin-top: -1px;
  background: currentColor;
  transition: transform var(--dur-2) var(--ease-out);
}
.accordion__icon::after { transform: rotate(90deg); }

.accordion__item[open] .accordion__icon::after { transform: rotate(0deg); }

.accordion__panel {
  padding-bottom: var(--sp-5);
  color: var(--c-ink-2);
  max-width: var(--measure);
}

/* Form */
.field { display: grid; gap: var(--sp-2); }

.field__label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
}

.field__hint {
  font-size: 0.8125rem;
  color: var(--c-ink-2);
}

.input {
  width: 100%;
  padding: 0.85em 1em;
  background: var(--c-white);
  border: 1px solid var(--c-line-strong); /* ≥3:1 su bianco (WCAG 1.4.11) */
  border-radius: var(--radius-0);
  transition: border-color var(--dur-1) var(--ease-out);
}

.input:hover { border-color: #6E6A65; }

.input:focus-visible {
  outline: 2px solid var(--c-ink);
  outline-offset: 0;
  border-color: var(--c-ink);
}

.input::placeholder { color: #757068; } /* ≥4,5:1 su bianco (WCAG 1.4.3) */

.input[disabled] {
  background: var(--c-calce);
  color: var(--c-ink-2);
  cursor: not-allowed;
}

textarea.input { min-height: 8em; resize: vertical; }

.field--error .input { border-color: var(--c-red); }

.field__error {
  font-size: 0.8125rem;
  color: var(--c-red);
  font-weight: var(--fw-medium);
}

.checkbox {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  font-size: var(--fs-small);
  color: var(--c-ink-2);
}
.checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--c-red);
  flex: none;
}

/* Strip: riga in evidenza fra hairline (es. rimando condomini) */
.strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4) var(--sp-6);
  padding-block: var(--sp-5);
  border-block: var(--hairline);
}

.strip__copy {
  display: grid;
  gap: var(--sp-1);
  max-width: 58ch;
}

.strip__copy .small { color: var(--c-ink-2); }


/* ============ 10a · CARD ICONA E TESTO ============
   Un solo componente per «Per chi lavoriamo» e «Certificazioni e
   documenti»: card bianca bordata, icona di linea rossa 32px
   (tratto 1,5), titolo, testo secondario. */

.cards-it {
  display: grid;
  gap: var(--grid-gap);
}

@media (min-width: 640px) {
  .cards-it { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1080px) {
  .cards-it--4 { grid-template-columns: repeat(4, 1fr); }
  .cards-it--3 { grid-template-columns: repeat(3, 1fr); }
}

.card-it {
  background: var(--c-white);
  border: var(--hairline);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: grid;
  gap: var(--sp-4);
  align-content: start;
  justify-items: start;
}

.card-it__icon {
  color: var(--c-red);
  flex: none;
}

.card-it__title { font-size: var(--fs-3); }

.card-it__text {
  font-size: var(--fs-small);
  color: var(--c-ink-2);
}


/* ============ 10b · CONTACT CARD ============
   Componente del design system: non è più istanziato in home
   (il blocco «Parliamone» del redesign lo ha assorbito nel corpo
   del testo), ma resta disponibile per le pagine interne. */

.contact-card {
  background: var(--c-white);
  border: var(--hairline);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: grid;
  gap: var(--sp-3);
  justify-items: start;
}

.contact-card__phone {
  font-size: var(--fs-2);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--ls-display);
  text-decoration: none;
}

.contact-card__phone:hover { color: var(--c-red); }

.contact-card .small { color: var(--c-ink-2); }


/* ============ 11 · FOOTER E BARRA MOBILE ============
   Footer ROSSO pieno: deroga esplicita al tetto del rosso del
   doc 02 (decisa in Figma il 2 set 2026, non «correggerla»).
   Niente linee divisorie: a separare i blocchi c'è la spaziatura. */

.site-footer {
  background: var(--c-red);
  color: var(--c-on-red);
  padding-top: var(--sect-pad-s);
}

.site-footer__top {
  display: grid;
  gap: var(--sp-7) var(--grid-gap);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 840px) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}

.site-footer .brand__logo { height: 56px; }

.site-footer__payoff {
  margin-top: var(--sp-4);
  color: var(--c-on-red-2);
}

.site-footer__identity address { margin-top: var(--sp-4); }

/* La riga «Dove lavoriamo», ripiegata sotto gli orari con aria sopra */
.site-footer__zone { margin-top: var(--sp-5); }

/* Due colonne da 220px, come nel disegno: «Facciate e cappotto
   termico» deve stare su una riga sola. */
.site-footer__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 220px));
  justify-content: space-between;
  gap: var(--sp-6) var(--sp-6);
  width: min(472px, 100%);
}

.site-footer__heading {
  font-size: var(--fs-meta);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--c-on-red-2);
  margin-bottom: var(--sp-4);
}

/* Gli elenchi del footer non hanno classe: il reset di base.css
   (ul[class]) non li raggiunge e senza questa regola compaiono i pallini. */
.site-footer__nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__nav a,
.site-footer address a {
  display: inline-block;
  padding-block: var(--sp-1);
  font-size: var(--fs-small);
  color: var(--c-on-red);
  text-decoration: none;
}
.site-footer__nav a:hover { color: var(--c-white); text-decoration: underline; text-underline-offset: 0.2em; }

.site-footer__note {
  font-size: var(--fs-small);
  font-style: normal;
  color: var(--c-on-red-2);
  max-width: 44ch;
}

/* Firma tipografica di chiusura: bianco pieno, a filo con la
   colonna di contenuto. Il corpo è calibrato sull'inchiostro reale
   del corsivo (larghezza inchiostro ≈ 5,025 × corpo, sbavatura
   sinistra ≈ 0,0134 × corpo): non toccare i coefficienti a mano. */
.site-footer__word {
  margin: 0;
  padding-block: clamp(1.5rem, 4vw, 3rem) 0;
  margin-left: 0.0134em;
  font-size: calc((min(var(--container-max), 100vw) - 2 * var(--container-pad)) / 5.025);
  font-weight: var(--fw-bold);
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0;
  line-height: 0.9;
  white-space: nowrap;
  color: var(--c-on-red);
  user-select: none;
}

.site-footer__legal {
  padding-block: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-6);
  font-size: 0.8125rem;
  color: var(--c-on-red-2);
}

.site-footer__legal p { margin: 0; }

.site-footer__legal a { color: inherit; text-decoration: none; }
.site-footer__legal a:hover { color: var(--c-white); text-decoration: underline; text-underline-offset: 0.2em; }

.site-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
}

/* Barra azioni fissa — solo mobile (doc 03 C.2) */
.action-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-bar);
  display: grid;
  grid-template-columns: 1fr 1fr 1.35fr;
  background: var(--c-white);
  border-top: var(--hairline);
  padding-bottom: env(safe-area-inset-bottom);
}

.action-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 56px;
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  text-decoration: none;
}

.action-bar a + a { border-left: var(--hairline); }

/* Grafite, non rosso: il CTA primario rosso resta unico per
   schermata anche con la barra fissa in vista (doc 02 §4.3) */
.action-bar__primary {
  background: var(--c-ink);
  color: var(--c-white);
}
.action-bar__primary:hover { background: var(--c-dark); color: var(--c-white); }

@media (min-width: 840px) {
  .action-bar { display: none; }
}

/* Spazio per la barra fissa su mobile */
@media (max-width: 839.98px) {
  body { padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
}


/* ============ 12 · PUNTATORE A MIRINO ============
   Decorativo, solo da desktop e solo dove il puntatore è preciso.
   Due filetti da 1px in rosso al 45% attraversano la finestra e si
   incrociano dove sta il cursore; nell'incrocio un quadratino vuoto
   a rosso pieno, di fianco le coordinate. Il cursore di sistema
   resta visibile: il mirino lo accompagna, non lo sostituisce.
   I filetti restano al 45% di proposito: due righe intere a rosso
   pieno sfonderebbero il tetto del rosso del doc 02.
   Specifica: «Puntatore · mirino desktop» in Figma. */

.mirino { display: none; }

@media (hover: hover) and (pointer: fine) {
  .mirino {
    display: block;
    opacity: 0;
    transition: opacity 120ms linear;
    pointer-events: none;
  }

  .mirino.is-active { opacity: 1; }

  /* Sopra i controlli e sulle superfici fotografiche scure
     (.js-mirino-off) il mirino si spegne: sul fondo scuro il rosso
     al 45% non si legge e sui controlli disturba. */
  .mirino.is-muted { opacity: 0; }

  .mirino__line {
    position: fixed;
    left: 0;
    top: 0;
    z-index: var(--z-mirino);
    background: rgba(178, 17, 18, 0.45); /* --c-red al 45% */
    will-change: transform;
  }

  .mirino__line--x { width: 100vw; height: 1px; }
  .mirino__line--y { width: 1px; height: 100vh; }

  .mirino__square {
    position: fixed;
    left: -6px;   /* centrato sull'incrocio: 11px + bordo */
    top: -6px;
    z-index: var(--z-mirino);
    width: 11px;
    height: 11px;
    border: 1px solid var(--c-red);  /* l'unico elemento a rosso pieno */
    background: transparent;
    will-change: transform;
  }

  .mirino__coords {
    position: fixed;
    left: 0;
    top: 0;
    z-index: var(--z-mirino);
    font-size: 0.6875rem;
    font-weight: var(--fw-medium);
    letter-spacing: var(--ls-meta);
    text-transform: uppercase;
    color: var(--c-ink-2);
    font-variant-numeric: tabular-nums; /* senza, la riga balla a ogni cifra */
    white-space: nowrap;
    will-change: transform;
  }
}