/* ==========================================================================
   INFRARAIL — site public
   Couche de design au-dessus de Bootstrap 5 (thème Color Admin).
   Propriétés logiques partout (inline-start/end) : la même feuille sert le français,
   l'anglais et l'arabe (RTL).
   Identité : les deux profils de rail du logo, bleu et prune, posés sur des aplats marine.
   Ils reviennent partout comme deux filets parallèles (titres, séparateurs « voie », indicateurs).
   ========================================================================== */

:root {
  /* couleurs du logo */
  --ir-blue: #2b59a8;
  --ir-blue-600: #234a8f;
  --ir-blue-800: #17336a;
  --ir-blue-300: #8fb0e6;
  --ir-blue-100: #dbe5f6;
  --ir-blue-50: #edf2fb;
  --ir-plum: #8b2b84;
  --ir-plum-600: #74226e;
  --ir-plum-300: #dc9fd6;
  --ir-plum-50: #f8eef7;
  /* marine dérivé du bleu du logo, et gris acier teintés de bleu */
  --ir-ink: #0c1a33;
  --ir-ink-2: #12244a;
  --ir-ink-3: #1b3263;
  --ir-text: #1f2a3d;
  --ir-muted: #4f5d76;
  --ir-line: #d6deeb;
  --ir-steel: #eef2f8;
  --ir-steel-2: #e1e8f3;
  --ir-on-dark: #e8eef8;
  --ir-on-dark-muted: #a9b8d2;
  --ir-ok: #1f7a4d;
  --ir-ok-50: #e7f4ec;
  --ir-warn: #8a5a00;
  --ir-warn-50: #fbf2df;
  --ir-danger: #b42318;
  --ir-danger-50: #fdecea;

  /* formes : angles francs, comme l'acier du rail */
  --ir-radius: 2px;
  --ir-radius-lg: 4px;
  --ir-shadow: 0 1px 2px rgba(12, 26, 51, .06), 0 10px 28px -14px rgba(12, 26, 51, .32);
  --ir-shadow-lg: 0 2px 4px rgba(12, 26, 51, .06), 0 28px 56px -22px rgba(12, 26, 51, .45);
  --ir-ease: cubic-bezier(.23, 1, .32, 1);
  --ir-ease-io: cubic-bezier(.77, 0, .175, 1);
  /* biais du pied de rail du logo, repris sur les photos */
  --ir-slant: 9%;

  --ir-font-display: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ir-font-body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ir-x: 1; /* sens horizontal : -1 en RTL */
  --ir-nav-h: 80px;
  --ir-ticker-h: 0px;
  /* marge du contenu, alignée sur .container du thème (1170 / 960 / 750 / 540) */
  --ir-gutter: max(16px, calc((100vw - 1170px) / 2 + 16px));

  /* Bootstrap */
  --bs-body-font-family: var(--ir-font-body);
  --bs-body-font-size: 1rem;
  --bs-body-line-height: 1.65;
  --bs-body-color: var(--ir-text);
  --bs-body-bg: #fff;
  --bs-primary: #2b59a8;
  --bs-primary-rgb: 43, 89, 168;
  --bs-link-color: #2b59a8;
  --bs-link-color-rgb: 43, 89, 168;
  --bs-link-hover-color: #17336a;
  --bs-border-color: #d6deeb;
}
@media (max-width: 1199.98px) { :root { --ir-gutter: max(16px, calc((100vw - 960px) / 2 + 16px)); } }
@media (max-width: 991.98px) { :root { --ir-gutter: max(16px, calc((100vw - 750px) / 2 + 16px)); } }
@media (max-width: 767.98px) { :root { --ir-gutter: max(16px, calc((100vw - 540px) / 2 + 16px)); } }
@media (max-width: 575.98px) { :root { --ir-gutter: 16px; } }

html[dir="rtl"] { --ir-x: -1; }
html[lang="ar"] {
  --ir-font-display: "Noto Kufi Arabic", "IBM Plex Sans Arabic", system-ui, sans-serif;
  --ir-font-body: "IBM Plex Sans Arabic", "Noto Kufi Arabic", system-ui, sans-serif;
}

/* ---------- Base ---------------------------------------------------------- */

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--ir-nav-h) + 16px); scrollbar-color: #8d9ab3 var(--ir-steel); }
body {
  margin: 0;
  font-family: var(--ir-font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ir-text);
  background: #fff;
  overflow-x: clip;
  padding-bottom: var(--ir-ticker-h);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
html[lang="ar"] body { line-height: 1.8; }
::selection { background: var(--ir-plum); color: #fff; }
a { color: var(--ir-blue); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--ir-blue-800); }
:focus-visible { outline: 2px solid var(--ir-plum); outline-offset: 2px; border-radius: 1px; }
img { max-width: 100%; }
h1, h2, h3, h4, h5, h6 { font-family: var(--ir-font-display); color: var(--ir-ink); font-weight: 700; letter-spacing: -.01em; text-wrap: balance; }
html[lang="ar"] :is(h1, h2, h3, h4, h5, h6) { letter-spacing: 0; }
p { text-wrap: pretty; }
.tnum { font-variant-numeric: tabular-nums; }
[dir="ltr"].ltr-num, .ltr-num { direction: ltr; unicode-bidi: isolate; display: inline-block; }

.ir-skip {
  position: absolute; inset-inline-start: 16px; top: -60px; z-index: 2000;
  background: var(--ir-ink); color: #fff; padding: 10px 16px; border-radius: var(--ir-radius);
  transition: top .2s var(--ir-ease);
}
.ir-skip:focus { top: 12px; color: #fff; }

.container { --bs-gutter-x: 2rem; }

/* ---------- Boutons --------------------------------------------------------- */

.ir-btn {
  --b: var(--ir-blue); --b-h: var(--ir-blue-800); --c: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  min-height: 48px; padding: .75em 1.4em;
  font-family: var(--ir-font-display); font-weight: 700; font-size: .95rem; line-height: 1.2; font-stretch: 92%; white-space: nowrap;
  color: var(--c); background: var(--b); border: 1px solid var(--b); border-radius: var(--ir-radius);
  text-decoration: none; cursor: pointer;
  transition: background-color .18s var(--ir-ease), border-color .18s var(--ir-ease), color .18s var(--ir-ease), transform .16s var(--ir-ease);
}
.ir-btn:hover { background: var(--b-h); border-color: var(--b-h); color: var(--c); }
.ir-btn:active { transform: scale(.97); }
.ir-btn[disabled], .ir-btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.ir-btn--plum { --b: var(--ir-plum); --b-h: var(--ir-plum-600); }
.ir-btn--ghost { --c: var(--ir-blue); background: transparent; border-color: currentColor; }
.ir-btn--ghost:hover { --c: #fff; background: var(--ir-blue); border-color: var(--ir-blue); }
.ir-btn--light { --b: #fff; --b-h: var(--ir-blue-50); --c: var(--ir-blue-800); }
.ir-btn--outline-light { --c: #fff; background: transparent; border-color: rgba(255, 255, 255, .55); }
.ir-btn--outline-light:hover { --c: var(--ir-ink); background: #fff; border-color: #fff; }
.ir-btn--sm { min-height: 36px; padding: .45em .9em; font-size: .85rem; }
.ir-btn .fa-arrow-right { transition: transform .2s var(--ir-ease); }
.ir-btn:hover .fa-arrow-right { transform: translateX(calc(3px * var(--ir-x))); }
[dir="rtl"] .fa-arrow-right, [dir="rtl"] .fa-chevron-right, [dir="rtl"] .fa-angle-right { transform: scaleX(-1); }
[dir="rtl"] .ir-btn:hover .fa-arrow-right { transform: scaleX(-1) translateX(3px); }

.ir-link {
  display: inline-flex; align-items: center; gap: .45em;
  font-family: var(--ir-font-display); font-weight: 700; color: var(--ir-blue); text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; padding-bottom: 2px;
  transition: background-size .3s var(--ir-ease), color .15s;
}
[dir="rtl"] .ir-link { background-position: 100% 100%; }
.ir-link:hover { color: var(--ir-blue-800); background-size: 100% 1px; }
.ir-link .fa-arrow-right { font-size: .8em; transition: transform .2s var(--ir-ease); }
.ir-link:hover .fa-arrow-right { transform: translateX(calc(3px * var(--ir-x))); }
[dir="rtl"] .ir-link:hover .fa-arrow-right { transform: scaleX(-1) translateX(3px); }
.ir-link--light { color: #fff; }
.ir-link--light:hover { color: #fff; }

/* ---------- Barre supérieure ------------------------------------------------ */

.ir-topbar { background: var(--ir-ink); color: var(--ir-on-dark-muted); font-size: .8125rem; }
.ir-topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; }
.ir-topbar a { color: var(--ir-on-dark); text-decoration: none; }
.ir-topbar a:hover { color: #fff; text-decoration: underline; }
.ir-topbar__contact { display: flex; gap: 20px; align-items: center; }
.ir-topbar__contact i { color: var(--ir-on-dark-muted); margin-inline-end: 6px; }
.ir-topbar__end { display: flex; align-items: center; gap: 18px; margin-inline-start: auto; }
.ir-social { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.ir-social a { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; }
.ir-social a:hover { background: rgba(255, 255, 255, .1); text-decoration: none; }
.ir-lang { display: flex; list-style: none; margin: 0; padding: 0; border: 1px solid rgba(255, 255, 255, .18); border-radius: 999px; overflow: hidden; }
.ir-lang a { display: block; padding: 3px 11px; line-height: 1.6; font-weight: 600; color: var(--ir-on-dark-muted); }
.ir-lang a:hover { color: #fff; text-decoration: none; background: rgba(255, 255, 255, .08); }
.ir-lang a[aria-current="true"] { background: #fff; color: var(--ir-ink); }
.ir-lang a[lang="ar"] { font-family: "Noto Kufi Arabic", "IBM Plex Sans Arabic", sans-serif; font-size: .75rem; }
@media (max-width: 767.98px) { .ir-topbar__contact { display: none; } .ir-topbar .ir-social { display: none; } }

/* ---------- Navigation principale ------------------------------------------- */

.ir-navbar {
  position: sticky; top: 0; z-index: 1030;
  /* pas de backdrop-filter : il ferait de la barre le bloc conteneur du tiroir mobile (position fixed) */
  background: #fff;
  transition: box-shadow .25s var(--ir-ease);
}
/* deux filets sous la barre : bleu puis prune, comme les rails du logo */
.ir-navbar::after {
  content: ""; position: absolute; inset-inline: 0; bottom: 0; height: 4px; pointer-events: none;
  background: linear-gradient(var(--ir-blue) 0 2px, var(--ir-plum) 2px 4px);
  transform-origin: left center; transform: scaleX(var(--ir-progress, 1));
}
[dir="rtl"] .ir-navbar::after { transform-origin: right center; }
.ir-navbar.is-scrolled { box-shadow: 0 10px 28px -18px rgba(12, 26, 51, .45); }
.ir-navbar > .container { display: flex; align-items: center; gap: 24px; min-height: var(--ir-nav-h); position: relative; }
.ir-logo { flex: 0 0 auto; display: block; width: 262px; }
.ir-logo img { display: block; width: 100%; height: auto; }

.ir-nav { margin-inline-start: auto; }
.ir-nav__list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.ir-nav__item { position: relative; }
.ir-nav__item--mega { position: static; }
.ir-nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 11px; border: 0; background: none;
  font-family: var(--ir-font-display); font-stretch: 90%; font-size: .9375rem; font-weight: 600; line-height: 1.2;
  color: var(--ir-ink); text-decoration: none; white-space: nowrap; border-radius: var(--ir-radius); cursor: pointer;
  position: relative;
}
html[lang="ar"] .ir-nav__link { font-size: .875rem; font-weight: 600; }
.ir-nav__link:hover { color: var(--ir-blue); }
.ir-nav__link .fa-chevron-down { font-size: .6rem; opacity: .6; transition: transform .2s var(--ir-ease); }
.ir-nav__item.is-open > .ir-nav__link .fa-chevron-down { transform: rotate(180deg); }
@media (min-width: 1200px) and (hover: hover) { .ir-nav__item:hover > .ir-nav__link .fa-chevron-down { transform: rotate(180deg); } }
.ir-nav__link[aria-current="page"], .ir-nav__item.is-active > .ir-nav__link { color: var(--ir-blue); }
/* filet double sous le lien : il se trace au survol et reste tracé sur la rubrique active */
.ir-nav__item:not(.ir-nav__cta) > .ir-nav__link::after {
  content: ""; position: absolute; inset-inline: 11px; bottom: 2px; height: 5px; pointer-events: none;
  border-block: 2px solid; border-color: var(--ir-blue) transparent var(--ir-plum);
  clip-path: inset(0 100% 0 0);
  transition: clip-path .4s var(--ir-ease);
}
[dir="rtl"] .ir-nav__item:not(.ir-nav__cta) > .ir-nav__link::after { clip-path: inset(0 0 0 100%); }
.ir-nav__item.is-active > .ir-nav__link::after,
[dir="rtl"] .ir-nav__item.is-active > .ir-nav__link::after,
.ir-nav__item.is-open > .ir-nav__link::after { clip-path: inset(0); }
@media (hover: hover) {
  .ir-nav__item:hover > .ir-nav__link::after { clip-path: inset(0) !important; }
}
.ir-nav__cta { margin-inline-start: 10px; }
.ir-nav__cta .ir-nav__link { color: #fff; background: var(--ir-plum); padding: 12px 18px; font-weight: 700; transition: background-color .18s, transform .16s var(--ir-ease); }
.ir-nav__cta .ir-nav__link:hover { background: var(--ir-plum-600); color: #fff; }
.ir-nav__cta .ir-nav__link:active { transform: scale(.97); }
.ir-nav__cta .ir-nav__link[aria-current="page"] { color: #fff; background: var(--ir-ink); }

/* ---------- Panneaux : menus déroulants et méga-menus ------------------------ */

.ir-sub {
  position: absolute; top: 100%; inset-inline-start: 0; min-width: 250px; z-index: 10;
  background: #fff; box-shadow: var(--ir-shadow-lg); border-radius: 0 0 var(--ir-radius-lg) var(--ir-radius-lg);
  list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s var(--ir-ease), transform .22s var(--ir-ease), visibility 0s linear .22s;
}
/* les deux rails en tête de chaque panneau */
.ir-sub::after { content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px; background: linear-gradient(var(--ir-blue) 0 2px, var(--ir-plum) 2px 4px); }
.ir-sub ul { list-style: none; margin: 0; padding: 0; }

/* menu déroulant simple (marchés, références) */
.ir-drop { width: 340px; padding: 22px 16px 14px; }
.ir-drop__lead { margin: 0 8px 12px; font-size: .875rem; line-height: 1.5; color: var(--ir-muted); }
.ir-drop ul a:not(.ir-mega__links a) {
  display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 10px; border-radius: var(--ir-radius);
  color: var(--ir-text); text-decoration: none; font-size: .9375rem; line-height: 1.35;
}
.ir-drop ul a:not(.ir-mega__links a):hover { background: var(--ir-steel); color: var(--ir-blue); }
.ir-drop ul a[aria-current="page"] { color: var(--ir-blue); font-weight: 600; background: var(--ir-blue-50); }
.ir-drop .ir-drop__main { font-family: var(--ir-font-display); font-weight: 700; color: var(--ir-ink); border-bottom: 1px solid var(--ir-line); border-radius: 0 !important; margin-bottom: 6px; padding-bottom: 12px !important; }
.ir-drop .ir-drop__main i { font-size: .8em; color: var(--ir-blue); }

/* méga-menu : volet marine à gauche, liens à droite */
.ir-mega {
  inset-inline: 16px; min-width: 0; padding: 0;
  display: grid; grid-template-columns: 300px minmax(0, 1fr) minmax(0, .8fr); align-items: stretch;
  overflow: hidden;
}
.ir-mega--wide { grid-template-columns: 300px minmax(0, 1fr) minmax(0, 1.05fr); }
.ir-mega > * { min-width: 0; }
.ir-mega > div:not(.ir-mega__aside), .ir-mega > ul { padding: 30px 28px 26px; }
.ir-mega > div + div:not(.ir-mega__aside) { border-inline-start: 1px solid var(--ir-line); }

.ir-mega__aside {
  position: relative; isolation: isolate; color: var(--ir-on-dark); background: var(--ir-ink);
  padding: 32px 28px 28px; display: flex; flex-direction: column; gap: 18px;
}
.ir-mega__aside::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--bg) center / cover; opacity: .28; filter: grayscale(.3);
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 85%); mask-image: linear-gradient(to top, #000 10%, transparent 85%);
}
.ir-mega__lead { margin: 0; font-size: .9375rem; line-height: 1.55; color: var(--ir-on-dark); }
.ir-mega__lead strong { font-family: var(--ir-font-display); font-size: 1.125rem; color: #fff; }
.ir-mega__big { margin: 0; font-family: var(--ir-font-display); font-weight: 800; font-stretch: 75%; font-size: 4rem; line-height: .9; color: #fff; }
.ir-mega__big small { font-size: 1.5rem; color: var(--ir-plum-300); margin-inline-start: 4px; }
.ir-mega__facts { margin: auto 0 0; display: grid; gap: 0; }
.ir-mega__facts div { display: grid; grid-template-columns: 76px 1fr; align-items: baseline; gap: 12px; padding: 10px 0; border-top: 1px solid rgba(255, 255, 255, .16); }
.ir-mega__facts dt { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 75%; font-size: 1.75rem; line-height: 1; color: #fff; }
.ir-mega__facts dd { margin: 0; font-size: .8125rem; color: var(--ir-on-dark-muted); line-height: 1.35; }
.ir-mega__cta { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; color: #fff; font-family: var(--ir-font-display); font-weight: 700; text-decoration: none; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .2); }
.ir-mega__facts + .ir-mega__cta { margin-top: 0; }
.ir-mega__cta:hover { color: var(--ir-plum-300); }
.ir-mega__cta i { font-size: .8em; transition: transform .2s var(--ir-ease); }
.ir-mega__cta:hover i { transform: translateX(calc(3px * var(--ir-x))); }

.ir-mega__title {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--ir-font-display); font-size: .8125rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ir-muted); margin: 0 0 12px;
}
html[lang="ar"] .ir-mega__title { letter-spacing: 0; font-size: .875rem; text-transform: none; }
.ir-mega__title--sep { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--ir-line); }

/* liens riches : pictogramme, titre, description */
.ir-mega__links { display: grid; gap: 2px; align-content: start; }
.ir-mega__links a {
  display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 14px; align-items: start;
  padding: 10px; margin-inline: -10px; border-radius: var(--ir-radius); text-decoration: none; color: var(--ir-text);
  transition: background-color .15s;
}
.ir-mega__links i {
  width: 38px; height: 38px; display: grid; place-items: center; border-radius: var(--ir-radius);
  background: var(--ir-blue-50); color: var(--ir-blue); font-size: .95rem; transition: background-color .15s, color .15s;
}
.ir-mega__links b { display: block; font-family: var(--ir-font-display); font-weight: 700; font-size: .975rem; color: var(--ir-ink); line-height: 1.3; }
.ir-mega__links small { display: block; margin-top: 2px; font-size: .8125rem; line-height: 1.45; color: var(--ir-muted); }
.ir-mega__links a:hover { background: var(--ir-steel); }
.ir-mega__links a:hover i, .ir-mega__links a[aria-current="page"] i { background: var(--ir-blue); color: #fff; }
.ir-mega__links a:hover b, .ir-mega__links a[aria-current="page"] b { color: var(--ir-blue); }

/* raccourcis vers les sections de la présentation */
.ir-mega__quick { display: flex; flex-direction: column; gap: 4px; background: var(--ir-steel); border-inline-start: 1px solid var(--ir-line); }
.ir-mega__quick::before { content: ""; display: block; width: 44px; height: 12px; margin: 4px 0 12px; background: linear-gradient(var(--ir-blue), var(--ir-blue)) 0 0 / 28px 4px no-repeat, linear-gradient(var(--ir-plum), var(--ir-plum)) 14px 8px / 30px 4px no-repeat; }
.ir-mega__quick a { display: block; padding: 8px 0; color: var(--ir-ink); text-decoration: none; font-weight: 600; font-size: .9375rem; border-bottom: 1px solid var(--ir-line); }
.ir-mega__quick a:hover { color: var(--ir-blue); }

/* produits : vignettes */
.ir-mega__products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 12px; }
.ir-mega__products a { display: flex; align-items: center; gap: 10px; padding: 6px; margin-inline: -6px; border-radius: var(--ir-radius); color: var(--ir-text); text-decoration: none; font-size: .9rem; font-weight: 600; line-height: 1.3; }
.ir-mega__products a:hover, .ir-mega__products a[aria-current="page"] { background: var(--ir-steel); color: var(--ir-blue); }
.ir-mega__thumb { flex: 0 0 auto; width: 44px; height: 44px; border-radius: var(--ir-radius); overflow: hidden; background: var(--ir-ink-2); display: grid; place-items: center; color: var(--ir-on-dark-muted); }
.ir-mega__thumb img { width: 100%; height: 100%; object-fit: cover; }
.ir-mega__certs { display: flex; gap: 8px; flex-wrap: wrap; }
.ir-mega__certs button { border: 1px solid var(--ir-line); background: #fff; border-radius: var(--ir-radius); padding: 6px; width: 76px; cursor: pointer; transition: border-color .15s, transform .16s var(--ir-ease); }
.ir-mega__certs button:hover { border-color: var(--ir-blue); }
.ir-mega__certs button:active { transform: scale(.97); }
.ir-mega__certs img { display: block; width: 100%; height: 36px; object-fit: contain; }

/* unités : listes simples avec adresse */
.ir-mega__plain a { display: block; padding: 7px 0; border-bottom: 1px solid var(--ir-line); color: var(--ir-ink); text-decoration: none; font-weight: 600; font-size: .9375rem; line-height: 1.3; }
.ir-mega__plain a small { display: block; font-weight: 400; font-size: .8125rem; color: var(--ir-muted); margin-top: 2px; }
.ir-mega__plain a:hover, .ir-mega__plain a[aria-current="page"] { color: var(--ir-blue); }
.ir-mega__plain--cols { columns: 2; column-gap: 24px; }
.ir-mega__plain--cols li { break-inside: avoid; }

.ir-burger {
  display: none; margin-inline-start: auto; width: 46px; height: 46px; border: 1px solid var(--ir-line); background: #fff;
  border-radius: var(--ir-radius); cursor: pointer; position: relative;
}
.ir-burger span, .ir-burger span::before, .ir-burger span::after {
  position: absolute; left: 50%; width: 20px; height: 2px; background: var(--ir-ink); border-radius: 2px; content: "";
  transition: transform .25s var(--ir-ease), opacity .2s;
}
.ir-burger span { top: 50%; transform: translate(-50%, -50%); }
.ir-burger span::before { transform: translate(-50%, -7px); }
.ir-burger span::after { transform: translate(-50%, 5px); background: var(--ir-plum); }
.ir-burger[aria-expanded="true"] span { background: transparent; }
.ir-burger[aria-expanded="true"] span::before { transform: translate(-50%, -1px) rotate(45deg); }
.ir-burger[aria-expanded="true"] span::after { transform: translate(-50%, -1px) rotate(-45deg); }

@media (min-width: 1200px) {
  .ir-nav__item.is-open > .ir-sub,
  .ir-nav__item:focus-within > .ir-sub { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  /* entrée échelonnée du contenu des méga-menus */
  .ir-mega > * { opacity: 0; transform: translateY(6px); transition: opacity .25s var(--ir-ease), transform .3s var(--ir-ease); }
  .ir-nav__item.is-open > .ir-mega > *, .ir-nav__item:focus-within > .ir-mega > * { opacity: 1; transform: none; }
  .ir-mega > :nth-child(2) { transition-delay: .04s; }
  .ir-mega > :nth-child(3) { transition-delay: .08s; }
}
@media (min-width: 1200px) and (hover: hover) {
  .ir-nav__item:hover > .ir-sub { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .ir-nav__item:hover > .ir-mega > * { opacity: 1; transform: none; }
  /* pont invisible entre le lien et le panneau */
  .ir-nav__item > .ir-sub::before { content: ""; position: absolute; inset-inline: 0; top: -14px; height: 14px; }
}
@media (min-width: 1200px) and (max-width: 1399.98px) {
  .ir-logo { width: 220px; }
  .ir-navbar > .container { gap: 12px; }
  .ir-nav__link { padding-inline: 7px; font-size: .875rem; }
  .ir-nav__cta .ir-nav__link { padding-inline: 14px; }
  .ir-mega, .ir-mega--wide { grid-template-columns: 250px minmax(0, 1fr) minmax(0, 1fr); }
}

/* Tiroir mobile */
@media (max-width: 1199.98px) {
  :root { --ir-nav-h: 72px; }
  .ir-logo { width: 220px; }
  @media (max-width: 379.98px) { .ir-logo { width: 190px; } }
  .ir-burger { display: block; }
  .ir-nav {
    position: fixed; top: 0; bottom: 0; inset-inline-end: 0; z-index: 1050;
    width: min(420px, 90vw); background: #fff; overflow-y: auto; overscroll-behavior: contain;
    padding: 76px 16px 32px; box-shadow: var(--ir-shadow-lg);
    /* fermé : découpé (clip-path) plutôt que translaté, pour ne pas élargir la page */
    clip-path: inset(0 0 0 100%); visibility: hidden;
    transition: clip-path .34s var(--ir-ease), visibility 0s linear .34s;
  }
  .ir-nav::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px; background: linear-gradient(var(--ir-blue) 0 2px, var(--ir-plum) 2px 4px); }
  [dir="rtl"] .ir-nav { clip-path: inset(0 100% 0 0); }
  .ir-nav.is-open, [dir="rtl"] .ir-nav.is-open { clip-path: inset(0); visibility: visible; transition-delay: 0s; }
  .ir-nav__close { position: absolute; top: 14px; inset-inline-end: 14px; }
  .ir-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .ir-nav__item { border-bottom: 1px solid var(--ir-line); }
  .ir-nav__link { width: 100%; justify-content: space-between; padding: 15px 8px; font-size: 1.0625rem; }
  .ir-nav__item > .ir-nav__link::after { display: none; }
  .ir-nav__item.is-active > .ir-nav__link { box-shadow: inset calc(4px * var(--ir-x)) 0 0 var(--ir-plum); }
  .ir-sub, .ir-mega, .ir-drop {
    position: static; display: none; opacity: 1; visibility: visible; transform: none; transition: none;
    box-shadow: none; padding: 0 0 14px; min-width: 0; width: auto; background: transparent; border-radius: 0;
  }
  .ir-sub::after { display: none; }
  .ir-nav__item.is-open > .ir-sub { display: block; }
  .ir-nav__item.is-open > .ir-mega { display: grid; grid-template-columns: 1fr; gap: 6px; }
  .ir-mega > div:not(.ir-mega__aside), .ir-mega > ul { padding: 0 4px; border: 0 !important; background: none; }
  .ir-mega__aside, .ir-mega__quick, .ir-drop__lead, .ir-mega__links small { display: none; }
  .ir-mega__links a { padding: 8px 10px; margin: 0; grid-template-columns: 30px 1fr; gap: 12px; align-items: center; }
  .ir-mega__links i { width: 30px; height: 30px; font-size: .8rem; }
  .ir-mega__products { grid-template-columns: 1fr; }
  .ir-mega__plain--cols { columns: 1; }
  .ir-mega__title { margin-top: 10px; }
  .ir-drop ul a:not(.ir-mega__links a) { padding: 10px 12px; }
  .ir-nav__cta { margin: 18px 0 0; border: 0; }
  .ir-nav__cta .ir-nav__link { justify-content: center; }
  .ir-nav-backdrop {
    position: fixed; inset: 0; z-index: 1025; background: rgba(12, 26, 51, .55);
    opacity: 0; visibility: hidden; transition: opacity .3s var(--ir-ease), visibility 0s linear .3s;
  }
  .ir-nav-backdrop.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
  body.ir-nav-locked { overflow: hidden; }
}
@media (min-width: 1200px) { .ir-nav__close, .ir-nav-backdrop { display: none; } }

/* ---------- Sections -------------------------------------------------------- */

.ir-section { padding-block: clamp(56px, 7vw, 96px); position: relative; }
.ir-section--tight { padding-block: clamp(40px, 5vw, 64px); }
.ir-section--steel { background: var(--ir-steel); }
.ir-section--ink { background: var(--ir-ink); color: var(--ir-on-dark); }
.ir-section--ink :is(h1, h2, h3, h4) { color: #fff; }

.ir-head { display: flex; align-items: end; justify-content: space-between; gap: 16px 32px; flex-wrap: wrap; margin-bottom: clamp(28px, 4vw, 44px); }
.ir-head__text { max-width: 740px; }
.ir-h2 { font-size: clamp(1.75rem, 1.05rem + 2.3vw, 3rem); line-height: 1.04; margin: 0; font-stretch: 80%; font-weight: 800; letter-spacing: -.015em; }
html[lang="ar"] .ir-h2 { line-height: 1.4; font-weight: 700; }
.ir-head__text .ir-h2 + p, .ir-lead { margin: 16px 0 0; color: var(--ir-muted); font-size: 1.125rem; line-height: 1.6; max-width: 64ch; }
.ir-section--ink .ir-head__text .ir-h2 + p, .ir-section--ink .ir-lead { color: var(--ir-on-dark-muted); }
/* marque des titres : les deux rails du logo, décalés */
.ir-rail {
  display: block; width: 46px; height: 12px; margin-bottom: 18px;
  background: linear-gradient(var(--ir-blue), var(--ir-blue)) 0 0 / 28px 4px no-repeat, linear-gradient(var(--ir-plum), var(--ir-plum)) 16px 8px / 30px 4px no-repeat;
}
[dir="rtl"] .ir-rail { transform: scaleX(-1); }
.ir-section--ink .ir-rail { background: linear-gradient(var(--ir-blue-300), var(--ir-blue-300)) 0 0 / 28px 4px no-repeat, linear-gradient(var(--ir-plum-300), var(--ir-plum-300)) 16px 8px / 30px 4px no-repeat; }
.ir-note { margin: 22px 0 10px; color: var(--ir-muted); font-size: .9375rem; max-width: 60ch; }

/* ---------- Séparateur « voie » ----------------------------------------------
   Deux rails (bleu, prune) et leurs traverses ; les traverses défilent avec la page
   (animation liée au défilement là où le navigateur la prend en charge). */

.ir-track { position: relative; height: 22px; overflow: hidden; background: transparent; }
.ir-track::before, .ir-track::after { content: ""; position: absolute; inset-inline: 0; height: 3px; z-index: 1; }
.ir-track::before { top: 4px; background: var(--ir-blue); }
.ir-track::after { bottom: 4px; background: var(--ir-plum); }
.ir-track__sleepers {
  position: absolute; top: 0; bottom: 0; inset-inline-start: -120px; inset-inline-end: -120px;
  background: repeating-linear-gradient(90deg, transparent 0 22px, var(--ir-steel-2) 22px 30px);
}
.ir-track--dark { position: absolute; inset-inline: 0; bottom: 0; }
.ir-track--dark .ir-track__sleepers { background: repeating-linear-gradient(90deg, transparent 0 22px, rgba(255, 255, 255, .14) 22px 30px); }
.ir-track--dark::before { background: var(--ir-blue-300); }
.ir-track--dark::after { background: var(--ir-plum-300); }
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .ir-track__sleepers { animation: ir-sleepers linear both; animation-timeline: view(); }
  }
}
@keyframes ir-sleepers { from { transform: translateX(0); } to { transform: translateX(calc(-120px * var(--ir-x))); } }

/* ---------- En-tête de page intérieure -------------------------------------- */

.ir-pagehead { position: relative; background: var(--ir-ink); color: var(--ir-on-dark); overflow: hidden; isolation: isolate; }
.ir-pagehead::before {
  content: ""; position: absolute; inset: 0; z-index: -2; opacity: .5;
  background: radial-gradient(80% 120% at 0% 100%, rgba(43, 89, 168, .45), transparent 60%);
}
.ir-pagehead__photo {
  position: absolute; top: 0; bottom: 0; inset-inline-end: 0; width: 46%; z-index: -1;
  clip-path: polygon(var(--ir-slant) 0, 100% 0, 100% 100%, 0 100%);
}
[dir="rtl"] .ir-pagehead__photo { clip-path: polygon(0 0, calc(100% - var(--ir-slant)) 0, 100% 100%, 0 100%); }
.ir-pagehead__photo img { width: 100%; height: 100%; object-fit: cover; }
.ir-pagehead__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(calc(90deg * var(--ir-x)), rgba(12, 26, 51, .55), rgba(12, 26, 51, .05) 45%); }
.ir-pagehead .container { padding-block: clamp(40px, 6vw, 84px) clamp(56px, 7vw, 96px); min-height: clamp(280px, 30vw, 420px); display: flex; flex-direction: column; justify-content: center; }
.ir-pagehead .container > * { max-width: min(640px, 54%); }
.ir-pagehead h1 { color: #fff; font-size: clamp(2.125rem, 1.2rem + 3.2vw, 4rem); line-height: 1; margin: 14px 0 0; font-stretch: 75%; font-weight: 800; letter-spacing: -.015em; }
html[lang="ar"] .ir-pagehead h1 { line-height: 1.35; font-weight: 700; }
.ir-pagehead p { color: var(--ir-on-dark-muted); font-size: 1.125rem; margin: 18px 0 0; max-width: 52ch; }
@media (max-width: 991.98px) {
  .ir-pagehead__photo { width: 100%; clip-path: none !important; opacity: .3; }
  .ir-pagehead__photo::after { background: linear-gradient(to top, var(--ir-ink), rgba(12, 26, 51, .4)); }
  .ir-pagehead .container > * { max-width: none; }
}

.ir-crumbs { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 0; font-size: .8125rem; }
.ir-crumbs li { display: inline-flex; align-items: center; color: var(--ir-on-dark-muted); }
.ir-crumbs li + li::before { content: "/"; margin-inline: 8px; opacity: .5; }
.ir-crumbs a { color: var(--ir-on-dark); text-decoration: none; }
.ir-crumbs a:hover { color: #fff; text-decoration: underline; }
.ir-crumbs [aria-current] { color: var(--ir-on-dark-muted); max-width: 40ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Image entière (sans recadrage) ---------------------------------- */
/* L'image est affichée en entier (contain) ; une copie floutée remplit le cadre. */

.ir-frame {
  --ratio: 4 / 3;
  position: relative; aspect-ratio: var(--ratio); overflow: hidden; margin: 0;
  background: var(--ir-steel-2); border-radius: var(--ir-radius); isolation: isolate;
}
.ir-frame__fill {
  position: absolute; inset: -24px; z-index: -1; background-size: cover; background-position: center;
  filter: blur(22px) saturate(1.1) brightness(.92); transform: scale(1.05);
}
.ir-frame__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.ir-frame--plain { background: var(--ir-steel); }
.ir-frame--plain .ir-frame__img { inset: 8%; width: 84%; height: 84%; }
.ir-frame--wide { --ratio: 16 / 9; }
.ir-frame--square { --ratio: 1 / 1; }
.ir-frame__empty { position: absolute; inset: 0; display: grid; place-items: center; color: #9aa6b2; font-size: 2rem; }

/* Image principale d'une page de détail : proportions d'origine, entière */
.ir-figure { margin: 0; background: var(--ir-steel); border-radius: var(--ir-radius-lg); overflow: hidden; display: grid; place-items: center; position: relative; isolation: isolate; }
.ir-figure img { display: block; max-width: 100%; max-height: min(72vh, 760px); width: auto; height: auto; }
.ir-figure .ir-frame__fill { opacity: .9; }

/* ---------- Ouverture de l'accueil ------------------------------------------
   Panneau marine (titre, actions) et diaporama administrable découpé en biais,
   comme le pied de rail du logo. */

.ir-hero { position: relative; background: var(--ir-ink); color: #fff; isolation: isolate; }
.ir-hero__grid {
  display: grid; grid-template-columns: minmax(0, 56fr) minmax(0, 44fr);
  /* l'ouverture occupe l'écran jusqu'au bandeau d'informations fixé en bas */
  min-height: clamp(520px, calc(100dvh - var(--ir-nav-h) - 40px - 44px), 760px);
}
.ir-hero__panel {
  position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center;
  padding-block: clamp(40px, 6vw, 80px); padding-inline: var(--ir-gutter) calc(7vw + 28px);
}
.ir-hero__mark { display: flex; flex-direction: column; gap: 6px; width: 64px; margin-bottom: 26px; }
.ir-hero__mark i { display: block; height: 5px; background: var(--ir-blue-300); width: 40px; }
.ir-hero__mark i + i { background: var(--ir-plum-300); width: 46px; margin-inline-start: 18px; }
.ir-hero__title {
  margin: 0; color: #fff; font-weight: 800; font-stretch: 72%; letter-spacing: -.02em; text-transform: uppercase;
  font-size: clamp(2.25rem, .8rem + 2.7vw, 3.5rem); line-height: .95; max-width: none;
}
html[lang="ar"] .ir-hero__title { text-transform: none; line-height: 1.3; font-size: clamp(2.25rem, 1.3rem + 3vw, 4rem); max-width: 14ch; }
.ir-hero__lead { margin: 24px 0 0; font-size: clamp(1.0625rem, 1rem + .3vw, 1.25rem); line-height: 1.55; color: var(--ir-on-dark); max-width: 38ch; }
.ir-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.ir-hero__media {
  position: relative; z-index: 1; margin-inline-start: -7vw; background: var(--ir-ink-2);
  clip-path: polygon(var(--ir-slant) 0, 100% 0, 100% 100%, 0 100%);
}
[dir="rtl"] .ir-hero__media { clip-path: polygon(0 0, calc(100% - var(--ir-slant)) 0, 100% 100%, 0 100%); }
.ir-hero__viewport { position: absolute; inset: 0; overflow: hidden; }
.ir-hero__slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .9s var(--ir-ease), visibility 0s linear .9s;
}
.ir-hero__slide.is-active { opacity: 1; visibility: visible; transition-delay: 0s; z-index: 1; }
.ir-hero__fill {
  position: absolute; inset: -40px; background-size: cover; background-position: center;
  filter: blur(28px) brightness(.55) saturate(1.15); transform: scale(1.08);
}
.ir-hero__slide.is-active .ir-hero__fill { animation: ir-drift 7s linear both; }
.ir-hero__img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04); opacity: .4;
  transition: transform 1.1s var(--ir-ease), opacity .9s var(--ir-ease);
}
.ir-hero__img--cover { object-fit: cover; }
.ir-hero__slide.is-active .ir-hero__img { transform: none; opacity: 1; }
.ir-hero__slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(12, 26, 51, .85), rgba(12, 26, 51, 0) 42%); pointer-events: none; }
.ir-hero__caption { position: absolute; z-index: 2; inset-inline: calc(var(--ir-slant) + 24px) var(--ir-gutter); bottom: 78px; }
.ir-hero__text {
  margin: 0; max-width: 34ch; font-family: var(--ir-font-display); font-weight: 700; font-stretch: 85%;
  font-size: clamp(1.125rem, .9rem + .9vw, 1.625rem); line-height: 1.2; color: #fff; text-shadow: 0 2px 18px rgba(0, 0, 0, .45);
  clip-path: inset(0 100% 0 0); transition: clip-path .9s var(--ir-ease) .25s;
}
[dir="rtl"] .ir-hero__text { clip-path: inset(0 0 0 100%); line-height: 1.6; }
.ir-hero__slide.is-active .ir-hero__text { clip-path: inset(0 0 0 0); }
.ir-hero__more { display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; color: #fff; font-family: var(--ir-font-display); font-weight: 700; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .5); }
.ir-hero__more:hover { color: #fff; border-color: #fff; }

.ir-hero__controls {
  position: absolute; z-index: 3; inset-inline: calc(var(--ir-slant) + 24px) var(--ir-gutter); bottom: 20px;
  display: flex; align-items: center; gap: 14px; min-height: 44px;
}
.ir-hero__btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, .45); border-radius: var(--ir-radius); background: rgba(12, 26, 51, .4); color: #fff; cursor: pointer;
  transition: background-color .15s, border-color .15s, transform .16s var(--ir-ease);
}
.ir-hero__btn:hover { background: #fff; color: var(--ir-ink); border-color: #fff; }
.ir-hero__btn:active { transform: scale(.95); }
[dir="rtl"] .ir-hero__btn .fa-chevron-left, [dir="rtl"] .ir-hero__btn .fa-chevron-right { transform: scaleX(-1); }
.ir-hero__dots { display: flex; gap: 8px; flex: 1; max-width: 420px; }
.ir-hero__dot { flex: 1; height: 28px; padding: 0; border: 0; background: none; cursor: pointer; position: relative; }
/* chaque indicateur est un tronçon de voie : deux rails qui se remplissent pendant les 5 s */
.ir-hero__dot::before, .ir-hero__dot i {
  content: ""; position: absolute; inset-inline: 0; top: 50%; height: 7px; margin-top: -3px;
  border-block: 2px solid rgba(255, 255, 255, .3);
}
.ir-hero__dot i { border-color: var(--ir-blue-300) transparent var(--ir-plum-300); border-style: solid; inset-inline-end: auto; width: 0; display: block; }
.ir-hero__dot.is-active i { animation: ir-fill var(--ir-hero-delay, 5000ms) linear forwards; }
.ir-hero.is-paused .ir-hero__dot.is-active i { animation-play-state: paused; }
.ir-hero__dot.is-done i { width: 100%; }
@keyframes ir-fill { from { width: 0; } to { width: 100%; } }
.ir-hero__count { font-family: var(--ir-font-display); font-size: .875rem; font-weight: 600; color: rgba(255, 255, 255, .85); min-width: 3.5em; text-align: center; }
@keyframes ir-drift { from { transform: scale(1.08); } to { transform: scale(1.2); } }

/* entrée : le titre glisse depuis le rail, le diaporama se découvre en biais */
@media (prefers-reduced-motion: no-preference) {
  .ir-hero__mark i { animation: ir-rail-in .9s var(--ir-ease) both; transform-origin: left center; }
  [dir="rtl"] .ir-hero__mark i { transform-origin: right center; }
  .ir-hero__mark i + i { animation-delay: .12s; }
  .ir-hero__title, .ir-hero__lead, .ir-hero__actions { animation: ir-rise .8s var(--ir-ease) both; }
  .ir-hero__lead { animation-delay: .12s; }
  .ir-hero__actions { animation-delay: .22s; }
  .ir-hero__viewport { animation: ir-reveal-photo 1.2s var(--ir-ease) .1s both; }
}
@keyframes ir-rail-in { from { transform: scaleX(0); } }
@keyframes ir-rise { from { opacity: 0; transform: translateY(16px); filter: blur(4px); } }
@keyframes ir-reveal-photo { from { opacity: 0; transform: scale(1.06); } }

@media (max-width: 991.98px) {
  .ir-hero__grid { grid-template-columns: 1fr; min-height: 0; }
  .ir-hero__panel { padding-block: 40px 44px; padding-inline: var(--ir-gutter); }
  .ir-hero__media { margin: 0; aspect-ratio: 4 / 3; clip-path: polygon(0 7%, 100% 0, 100% 100%, 0 100%) !important; animation: none; }
  .ir-hero__caption { inset-inline: 16px; bottom: 64px; }
  .ir-hero__controls { inset-inline: 16px; bottom: 12px; }
  .ir-hero__btn--nav { display: none; }
}

/* ---------- INFRARAIL en chiffres : une ligne de voie, chaque chiffre est une gare */

.ir-figures { --pin: 24px; --val-h: 80px; --gap: 16px; background: var(--ir-ink); color: #fff; padding-block: clamp(48px, 6vw, 80px) clamp(52px, 6vw, 84px); position: relative; overflow: hidden; isolation: isolate; border-top: 1px solid rgba(255, 255, 255, .08); }
.ir-figures::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .7;
  background: radial-gradient(90% 120% at 100% 0%, rgba(139, 43, 132, .32), transparent 55%), radial-gradient(80% 100% at 0% 100%, rgba(43, 89, 168, .4), transparent 60%);
}
.ir-figures__title { color: #fff; font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.25rem); font-weight: 800; font-stretch: 80%; line-height: 1.05; margin: 0 0 clamp(28px, 3.5vw, 44px); }
html[lang="ar"] .ir-figures__title { line-height: 1.4; }
.ir-line { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.ir-line--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
/* les deux rails (bleu, prune) et leurs traverses */
.ir-line::before {
  content: ""; position: absolute; inset-inline: 0; height: 14px;
  top: calc(var(--val-h) + var(--gap) + var(--pin) / 2 - 7px);
  border-block: 3px solid; border-color: var(--ir-blue-300) transparent var(--ir-plum-300);
  background: repeating-linear-gradient(90deg, transparent 0 20px, rgba(255, 255, 255, .22) 20px 25px);
  transform-origin: left center;
}
[dir="rtl"] .ir-line::before { transform-origin: right center; }
.ir-stop a {
  display: grid; grid-template-rows: var(--val-h) var(--pin) auto; row-gap: var(--gap); justify-items: start;
  padding-inline-end: 16px; color: inherit; text-decoration: none;
}
.ir-stop__value { align-self: end; display: flex; align-items: baseline; gap: 6px; line-height: .9; }
.ir-stop__value b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 72%; font-size: clamp(2.75rem, 1.5rem + 3.2vw, 4.75rem); letter-spacing: -.02em; color: #fff; }
.ir-stop__value small { font-family: var(--ir-font-display); font-weight: 700; font-stretch: 85%; font-size: clamp(1rem, .85rem + .5vw, 1.375rem); color: var(--ir-plum-300); }
.ir-stop__pin {
  position: relative; z-index: 1; width: var(--pin); height: var(--pin); border-radius: 50%;
  background: var(--ir-plum); border: 5px solid #fff; box-shadow: 0 0 0 6px rgba(139, 43, 132, .3);
  transition: transform .35s var(--ir-ease), box-shadow .25s var(--ir-ease);
}
.ir-stop__label { font-size: .9375rem; line-height: 1.45; color: var(--ir-on-dark-muted); max-width: 24ch; }
.ir-stop a:hover .ir-stop__pin, .ir-stop a:focus-visible .ir-stop__pin { transform: scale(1.18); box-shadow: 0 0 0 10px rgba(139, 43, 132, .35); }
.ir-stop a:hover .ir-stop__label { color: #fff; }
.ir-stop a:focus-visible { outline-color: #fff; outline-offset: 6px; }
/* entrée : la voie se pose, puis les gares apparaissent une à une (classes posées par site.js) */
.ir-line.is-armed::before { transform: scaleX(0); }
.ir-line.is-armed .ir-stop__pin, .ir-line.is-armed .ir-timeline__stop .ir-stop__pin { transform: scale(0); }
.ir-line.is-armed .ir-stop__value, .ir-line.is-armed .ir-stop__label, .ir-line.is-armed .ir-timeline__stop p, .ir-line.is-armed .ir-timeline__year { opacity: 0; }
.ir-line.is-armed.is-in::before { transform: none; transition: transform 1.3s var(--ir-ease); }
.ir-line.is-armed.is-in .ir-stop__pin { transform: none; transition: transform .5s var(--ir-ease) calc(.25s + var(--i) * .14s); }
.ir-line.is-armed.is-in :is(.ir-stop__value, .ir-stop__label, .ir-timeline__stop p, .ir-timeline__year) { opacity: 1; transition: opacity .6s var(--ir-ease) calc(.3s + var(--i) * .14s); }
@media (max-width: 991.98px) {
  .ir-figures { --val-h: 0px; }
  .ir-line, .ir-line--4 { grid-template-columns: 1fr; padding-inline-start: 46px; }
  .ir-line::before {
    inset-inline: auto; inset-inline-start: 6px; top: 0; bottom: 0; width: 14px; height: auto;
    border-block: 0; border-inline: 3px solid; border-color: transparent var(--ir-plum-300) transparent var(--ir-blue-300);
    background: repeating-linear-gradient(180deg, transparent 0 20px, rgba(255, 255, 255, .22) 20px 25px);
    transform-origin: center top;
  }
  [dir="rtl"] .ir-line::before { transform-origin: center top; border-color: transparent var(--ir-blue-300) transparent var(--ir-plum-300); }
  .ir-line.is-armed::before { transform: scaleY(0); }
  .ir-stop a { display: block; position: relative; padding: 14px 0 22px; }
  .ir-stop__pin { position: absolute; inset-inline-start: -45px; top: 22px; }
  .ir-stop__value { margin-bottom: 6px; }
  .ir-stop__label { max-width: 36ch; }
}

/* ---------- Chaîne intégrée : extraire, fabriquer, souder, poser ------------ */

.ir-chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ir-chain__step a { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.ir-chain__photo { display: block; aspect-ratio: 4 / 5; overflow: hidden; margin-inline-end: 14px; background: var(--ir-steel-2); }
.ir-chain__step:first-child .ir-chain__photo { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
.ir-chain__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ir-ease); }
.ir-chain__step a:hover .ir-chain__photo img { transform: scale(1.05); }
/* tronçon de voie sous chaque photo : les tronçons se raccordent d'une étape à l'autre */
.ir-chain__station { position: relative; display: block; height: 30px; margin-block: 18px 6px; }
.ir-chain__station::before {
  content: ""; position: absolute; inset-inline: 0; top: 8px; height: 14px;
  border-block: 3px solid; border-color: var(--ir-blue) transparent var(--ir-plum);
  background: repeating-linear-gradient(90deg, transparent 0 16px, var(--ir-steel-2) 16px 21px);
}
.ir-chain__station::after {
  content: ""; position: absolute; inset-inline-start: 0; top: 3px; width: 24px; height: 24px; border-radius: 50%;
  background: var(--ir-plum); border: 5px solid #fff; box-shadow: 0 0 0 2px var(--ir-plum);
  transition: transform .3s var(--ir-ease);
}
.ir-chain__step a:hover .ir-chain__station::after { transform: scale(1.15); }
.ir-chain__body { display: block; padding-inline-end: 22px; }
.ir-chain__verb { display: block; font-family: var(--ir-font-display); font-weight: 800; font-stretch: 75%; font-size: clamp(1.75rem, 1.2rem + 1.4vw, 2.5rem); line-height: 1; color: var(--ir-ink); text-transform: uppercase; letter-spacing: -.01em; transition: color .2s; }
html[lang="ar"] .ir-chain__verb { text-transform: none; line-height: 1.4; }
.ir-chain__step a:hover .ir-chain__verb { color: var(--ir-blue); }
.ir-chain__text { display: block; margin-top: 10px; color: var(--ir-muted); font-size: .975rem; line-height: 1.55; }
.ir-js .ir-chain.is-armed .ir-chain__step { opacity: 0; transform: translateY(22px); }
.ir-js .ir-chain.is-armed.is-in .ir-chain__step { opacity: 1; transform: none; transition: opacity .7s var(--ir-ease) calc(var(--i) * .1s), transform .8s var(--ir-ease) calc(var(--i) * .1s); }
@media (max-width: 991.98px) { .ir-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; } }
@media (max-width: 575.98px) {
  .ir-chain { grid-template-columns: 1fr; }
  .ir-chain__photo { aspect-ratio: 16 / 10; margin: 0; }
}

.ir-domains-strip { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 16px 32px; align-items: start; padding-top: 28px; border-top: 1px solid var(--ir-line); }
.ir-domains-strip h3 { margin: 6px 0 0; font-size: 1.125rem; font-stretch: 85%; }
.ir-domains-strip ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.ir-domains-strip a {
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--ir-radius);
  background: var(--ir-steel); color: var(--ir-ink); text-decoration: none; font-weight: 600; font-size: .9375rem; line-height: 1.3;
  transition: background-color .15s, color .15s;
}
.ir-domains-strip a i { color: var(--ir-plum); }
.ir-domains-strip a:hover { background: var(--ir-ink); color: #fff; }
.ir-domains-strip a:hover i { color: var(--ir-plum-300); }
@media (max-width: 767.98px) { .ir-domains-strip { grid-template-columns: 1fr; } }

/* ---------- Tableau des départs : grands projets -------------------------- */

.ir-board-section { background: var(--ir-ink); color: var(--ir-on-dark); overflow: hidden; isolation: isolate; }
.ir-board-section :is(h2, h3) { color: #fff; }
.ir-board-section .ir-head__text .ir-h2 + p { color: var(--ir-on-dark-muted); }
.ir-board-section__bg { position: absolute; inset: 0; z-index: -1; }
.ir-board-section__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .16; filter: grayscale(.6); }
.ir-board-section__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--ir-ink) 0%, rgba(12, 26, 51, .7) 40%, var(--ir-ink) 100%); }

.ir-board { border: 1px solid rgba(255, 255, 255, .12); background: rgba(6, 14, 30, .72); border-radius: var(--ir-radius-lg); overflow: hidden; }
.ir-board + .ir-board__group { margin-top: 40px; }
.ir-board__group { font-size: 1.125rem; font-stretch: 85%; margin: 0 0 14px; display: flex; gap: 8px; align-items: baseline; }
.ir-board__group span { color: var(--ir-on-dark-muted); font-weight: 500; }
.ir-board__head, .ir-board__row { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1.5fr) 110px 120px; gap: 20px; align-items: center; padding-inline: 22px; }
.ir-board__head {
  padding-block: 12px; background: rgba(255, 255, 255, .05);
  font-family: var(--ir-font-display); font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ir-on-dark-muted);
}
html[lang="ar"] .ir-board__head { letter-spacing: 0; font-size: .8125rem; }
.ir-board__rows { list-style: none; margin: 0; padding: 0; }
.ir-board__row { padding-block: 16px; border-top: 1px solid rgba(255, 255, 255, .08); transition: background-color .2s; }
.ir-board__row:hover { background: rgba(43, 89, 168, .14); }
.ir-board__line { font-family: var(--ir-font-display); font-weight: 700; font-stretch: 85%; font-size: 1.125rem; color: #fff; line-height: 1.25; }
.ir-board__work { color: var(--ir-on-dark-muted); font-size: .9375rem; line-height: 1.45; }
.ir-board__km { color: var(--ir-on-dark-muted); font-size: .875rem; white-space: nowrap; }
.ir-board__km b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 75%; font-size: 1.75rem; color: #fff; line-height: 1; }
/* volets : chaque caractère dans sa palette, comme un tableau d'affichage de gare (posés par site.js) */
.ir-flap { display: inline-flex; flex-wrap: wrap; gap: 2px 1px; }
.ir-flap__c {
  position: relative; display: inline-block; min-width: .62em; padding: .08em .06em; text-align: center;
  background: linear-gradient(#17284a 0 49%, #0e1c38 51%); color: #fff; border-radius: 2px; text-transform: uppercase;
  font-size: .95em;
}
.ir-flap__c::after { content: ""; position: absolute; inset-inline: 0; top: 50%; height: 1px; background: rgba(0, 0, 0, .55); }
.ir-flap__c--sp { background: none; min-width: .4em; }
.ir-flap__c--sp::after { display: none; }
.ir-signal { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .875rem; color: #fff; }
/* feu de signalisation : état réel du projet */
.ir-signal::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--ir-plum-300); box-shadow: 0 0 0 4px rgba(220, 159, 214, .2); }
.ir-signal--done::before { background: var(--ir-blue-300); box-shadow: 0 0 0 4px rgba(143, 176, 230, .2); }
@media (prefers-reduced-motion: no-preference) {
  .ir-signal:not(.ir-signal--done)::before { animation: ir-pulse 2.4s ease-in-out infinite; }
}
.ir-board__source { margin: 18px 0 0; font-size: .8125rem; color: var(--ir-on-dark-muted); }
@media (max-width: 767.98px) {
  .ir-board__head { display: none; }
  .ir-board__row { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 14px; padding: 16px; }
  .ir-board__line { grid-column: 1 / -1; }
  .ir-board__work { grid-column: 1 / -1; }
}

/* ---------- Mot du PDG (accueil) -------------------------------------------- */

.ir-ceo { background: #fff; overflow: hidden; }
.ir-ceo__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 88px); align-items: center; }
.ir-ceo__photo { margin: 0; aspect-ratio: 4 / 5; max-height: 600px; width: 100%; overflow: hidden; clip-path: polygon(0 0, 100% 0, calc(100% - 14%) 100%, 0 100%); }
[dir="rtl"] .ir-ceo__photo { clip-path: polygon(0 0, 100% 0, 100% 100%, 14% 100%); }
.ir-ceo__photo img { width: 100%; height: 100%; object-fit: cover; }
.ir-ceo__title { font-size: 1rem; font-weight: 700; color: var(--ir-plum); margin: 0 0 22px; font-family: var(--ir-font-display); letter-spacing: .02em; }
.ir-quote { margin: 0; }
.ir-quote blockquote { margin: 0; }
.ir-quote blockquote::before { content: ""; display: block; width: 64px; height: 14px; margin-bottom: 22px; background: linear-gradient(var(--ir-blue), var(--ir-blue)) 0 0 / 40px 5px no-repeat, linear-gradient(var(--ir-plum), var(--ir-plum)) 18px 9px / 46px 5px no-repeat; }
[dir="rtl"] .ir-quote blockquote::before { transform: scaleX(-1); }
.ir-quote blockquote p { font-family: var(--ir-font-display); font-weight: 600; font-stretch: 88%; font-size: clamp(1.5rem, 1.05rem + 1.5vw, 2.375rem); line-height: 1.22; color: var(--ir-ink); margin: 0; max-width: 30ch; letter-spacing: -.01em; }
html[lang="ar"] .ir-quote blockquote p { line-height: 1.7; }
.ir-quote figcaption { margin: 28px 0 30px; display: flex; align-items: center; gap: 14px; color: var(--ir-muted); }
.ir-quote figcaption span { display: grid; gap: 2px; }
.ir-quote figcaption strong { color: var(--ir-ink); font-family: var(--ir-font-display); font-size: 1.125rem; }
.ir-quote__photo { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; }
@media (max-width: 991.98px) { .ir-ceo__grid { grid-template-columns: 1fr; } .ir-ceo__photo { aspect-ratio: 16 / 10; clip-path: none !important; } }

/* ---------- Bandeau de photos (wagons) ------------------------------------- */

.ir-photoband { overflow: hidden; background: var(--ir-ink); padding-block: 0; }
.ir-photoband__track { display: flex; gap: 6px; width: max-content; padding-inline: 0; }
.ir-photoband__item { width: clamp(220px, 26vw, 420px); height: clamp(150px, 15vw, 240px); overflow: hidden; flex: 0 0 auto; }
.ir-photoband__item:nth-child(even) { transform: translateY(0); }
.ir-photoband__item img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.9); transition: filter .4s, transform .8s var(--ir-ease); }
.ir-photoband__item:hover img { filter: none; transform: scale(1.04); }
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .ir-photoband__track { animation: ir-band linear both; animation-timeline: view(); }
  }
}
@keyframes ir-band { from { transform: translateX(calc(4vw * var(--ir-x))); } to { transform: translateX(calc(-18vw * var(--ir-x))); } }

/* ---------- Actualités (accueil) ------------------------------------------- */

.ir-news { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); grid-template-rows: auto auto; gap: clamp(16px, 2vw, 24px); }
.ir-news__item--lead { grid-row: span 2; }
.ir-news__item--lead .ir-card__title { font-size: clamp(1.25rem, 1rem + .8vw, 1.625rem); }
.ir-news__item:not(.ir-news__item--lead) { flex-direction: row; }
.ir-news__item:not(.ir-news__item--lead) .ir-frame { flex: 0 0 42%; aspect-ratio: auto; min-height: 170px; }
@media (max-width: 991.98px) {
  .ir-news { grid-template-columns: 1fr; }
  .ir-news__item--lead { grid-row: auto; }
}
@media (max-width: 575.98px) { .ir-news__item:not(.ir-news__item--lead) { flex-direction: column; } .ir-news__item:not(.ir-news__item--lead) .ir-frame { aspect-ratio: 16 / 9; } }

/* ---------- Badges ISO ------------------------------------------------------- */

.ir-iso { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.ir-iso__badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px 4px 4px;
  font-family: var(--ir-font-display); font-weight: 700; font-size: .8125rem; color: var(--ir-ink);
  background: #fff; border: 1px solid var(--ir-line); border-radius: 999px; cursor: pointer;
  transition: border-color .15s, box-shadow .2s var(--ir-ease);
}
[dir="rtl"] .ir-iso__badge { padding: 4px 4px 4px 12px; }
.ir-iso__badge img { width: 52px; height: 28px; object-fit: contain; background: #fff; border-radius: 999px; padding: 2px 4px; }
.ir-iso__badge:hover { border-color: var(--ir-blue); box-shadow: var(--ir-shadow); }
.ir-iso--dark .ir-iso__badge { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .18); color: var(--ir-on-dark); }
.ir-iso--dark .ir-iso__badge:hover { border-color: #fff; box-shadow: none; }
/* pied de page : logos seuls, centrés sur une ligne */
.ir-footer__iso { display: flex; justify-content: center; padding-block: 4px 32px; }
.ir-iso--icons, .ir-footer .ir-iso--icons { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.ir-iso--icons .ir-iso__badge, [dir="rtl"] .ir-iso--icons .ir-iso__badge { padding: 4px 8px; border-radius: var(--ir-radius); background: #fff; border-color: transparent; }
.ir-iso--icons .ir-iso__badge img { width: 56px; height: 28px; padding: 0; border-radius: 0; }
.ir-iso--dark.ir-iso--icons .ir-iso__badge { opacity: .9; transition: opacity .2s, transform .2s var(--ir-ease); }
.ir-iso--dark.ir-iso--icons .ir-iso__badge:hover { opacity: 1; transform: translateY(-2px); border-color: transparent; }

/* ---------- Partenaires : bandeaux défilants --------------------------------- */

.ir-partners { overflow: hidden; }
.ir-marquee {
  overflow: hidden; padding-block: 6px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.ir-marquee + .ir-marquee { margin-top: 12px; }
.ir-marquee__track { display: flex; width: max-content; animation: ir-marquee 52s linear infinite; }
.ir-marquee--reverse .ir-marquee__track { animation-direction: reverse; animation-duration: 60s; }
.ir-marquee:hover .ir-marquee__track { animation-play-state: paused; }
.ir-marquee__list { display: flex; gap: 12px; list-style: none; margin: 0; padding: 0; padding-inline-end: 12px; }
.ir-partner {
  flex: 0 0 auto; width: 200px; height: 116px; padding: 14px 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: #fff; border: 1px solid var(--ir-line); border-radius: var(--ir-radius-lg);
  transition: border-color .2s, box-shadow .25s var(--ir-ease);
}
.ir-partner img { width: 100%; max-width: 140px; height: 54px; object-fit: contain; filter: grayscale(1); opacity: .78; transition: filter .3s, opacity .3s; }
.ir-partner span { font-size: .75rem; line-height: 1.25; color: var(--ir-muted); text-align: center; }
.ir-partner:hover { border-color: #b9c4cf; box-shadow: var(--ir-shadow); }
.ir-partner:hover img { filter: none; opacity: 1; }
@keyframes ir-marquee { to { transform: translateX(calc(-50% * var(--ir-x))); } }
@media (prefers-reduced-motion: reduce) {
  .ir-marquee { -webkit-mask-image: none; mask-image: none; }
  .ir-marquee__track { animation: none; width: auto; }
  .ir-marquee__list { flex-wrap: wrap; justify-content: center; padding-inline: 16px; }
  .ir-marquee__list[aria-hidden="true"] { display: none; }
}

/* ---------- Visionneuse plein écran ----------------------------------------- */

.ir-lightbox { position: fixed; inset: 0; z-index: 2000; display: grid; place-items: center; padding: 56px 16px 16px; background: rgba(8, 12, 16, .96); }
.ir-lightbox[hidden] { display: none; }
.ir-lightbox:fullscreen { padding: 16px; }
.ir-lightbox:fullscreen img { max-height: calc(100vh - 32px); }
.ir-lightbox img { max-width: calc(100vw - 32px); max-height: calc(100vh - 72px); width: auto; height: auto; object-fit: contain; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.ir-lightbox__close {
  position: absolute; top: 12px; inset-inline-end: 12px; width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .1); color: #fff; font-size: 1.25rem; cursor: pointer;
}
.ir-lightbox__close:hover { background: #fff; color: var(--ir-ink); }
.ir-gallery { position: relative; }
.ir-gallery__zoom {
  position: absolute; top: 12px; inset-inline-end: 12px; z-index: 3; width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--ir-line); background: rgba(255, 255, 255, .96); color: var(--ir-ink); box-shadow: var(--ir-shadow); cursor: pointer;
}
.ir-gallery__zoom:hover { border-color: var(--ir-blue); color: var(--ir-blue); }
.ir-gallery__main .splide__slide img { cursor: zoom-in; }

/* Carrousel produits : cartes de même hauteur */
.ir-carousel .splide__slide { display: flex; height: auto; }
.ir-carousel .splide__slide > .ir-card { flex: 1; }

/* ---------- Cartes de contenu ----------------------------------------------- */

.ir-grid { display: grid; gap: clamp(16px, 2vw, 24px); grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--min, 260px)), 1fr)); }
.ir-grid--3 { --min: 300px; }
.ir-grid--4 { --min: 220px; }

.ir-card {
  position: relative; display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--ir-line); border-radius: var(--ir-radius-lg); overflow: hidden;
  transition: border-color .2s var(--ir-ease), box-shadow .25s var(--ir-ease), transform .25s var(--ir-ease);
}
.ir-card:hover { border-color: #b9c4cf; box-shadow: var(--ir-shadow); }
.ir-card .ir-frame { border-radius: 0; }
.ir-card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ir-card__meta { font-size: .8125rem; color: var(--ir-muted); display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; }
.ir-card__title { font-size: 1.125rem; line-height: 1.3; margin: 0; }
.ir-card__title a { color: var(--ir-ink); text-decoration: none; }
.ir-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.ir-card:hover .ir-card__title a { color: var(--ir-blue); }
.ir-card__text { color: var(--ir-muted); font-size: .9375rem; margin: 0; }
.ir-card__foot { margin-top: auto; padding-top: 6px; }
.ir-card button.ir-card__hit { all: unset; position: absolute; inset: 0; z-index: 1; cursor: pointer; border-radius: inherit; }
.ir-card button.ir-card__hit:focus-visible { outline: 2px solid var(--ir-plum); outline-offset: -2px; }

.ir-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px;
  font-size: .75rem; font-weight: 600; line-height: 1.4; background: var(--ir-steel-2); color: var(--ir-ink-2); white-space: nowrap;
}
.ir-badge--blue { background: var(--ir-blue-50); color: var(--ir-blue-800); }
.ir-badge--plum { background: var(--ir-plum-50); color: var(--ir-plum-600); }
.ir-badge--ok { background: var(--ir-ok-50); color: var(--ir-ok); }
.ir-badge--warn { background: var(--ir-warn-50); color: var(--ir-warn); }
.ir-badge--muted { background: var(--ir-steel-2); color: var(--ir-muted); }
.ir-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.ir-badge--nodot::before { display: none; }

/* ---------- Flèches Splide (le CSS « core » ne les met pas en forme) -------- */

.splide__arrow {
  position: absolute; top: 50%; z-index: 2; transform: translateY(-50%);
  display: grid; place-items: center; width: 44px; height: 44px; padding: 0;
  border: 1px solid var(--ir-line); border-radius: 50%; background: rgba(255, 255, 255, .96); box-shadow: var(--ir-shadow);
  cursor: pointer; transition: border-color .15s, opacity .15s;
}
.splide__arrow:hover:not(:disabled) { border-color: var(--ir-blue); }
.splide__arrow:disabled { opacity: .35; cursor: default; }
.splide__arrow svg { width: 14px; height: 14px; fill: var(--ir-ink); }
.splide__arrow--prev { left: 12px; }
.splide__arrow--next { right: 12px; }
.splide__arrow--prev svg { transform: scaleX(-1); }
.splide--rtl .splide__arrow--prev { left: auto; right: 12px; }
.splide--rtl .splide__arrow--next { right: auto; left: 12px; }
.splide--rtl .splide__arrow--prev svg { transform: none; }
.splide--rtl .splide__arrow--next svg { transform: scaleX(-1); }

/* ---------- Carrousel produits (Splide) ------------------------------------- */

.ir-carousel .splide__track { padding-block: 4px 8px; }
.ir-carousel .splide__arrow--prev { left: -18px; }
.ir-carousel .splide__arrow--next { right: -18px; }
.ir-carousel.splide--rtl .splide__arrow--prev { left: auto; right: -18px; }
.ir-carousel.splide--rtl .splide__arrow--next { right: auto; left: -18px; }
@media (max-width: 575.98px) { .ir-carousel .splide__arrow { display: none; } }

/* ---------- Présence / carte ------------------------------------------------- */

.ir-presence { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(24px, 4vw, 56px); align-items: stretch; }
.ir-presence__lists { display: grid; gap: 22px; }
.ir-unitlist { list-style: none; margin: 0; padding: 0; }
.ir-unitlist li { border-top: 1px solid var(--ir-line); }
.ir-unitlist li:last-child { border-bottom: 1px solid var(--ir-line); }
.ir-unitlist a { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 11px 2px; text-decoration: none; color: var(--ir-ink); }
.ir-unitlist a:hover { color: var(--ir-blue); background: linear-gradient(to right, var(--ir-steel), transparent); }
.ir-unitlist small { display: block; color: var(--ir-muted); font-size: .8125rem; }
.ir-unitlist .fa-angle-right { color: var(--ir-muted); }
.ir-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ir-blue); box-shadow: 0 0 0 3px var(--ir-blue-50); }
.ir-dot--real { background: var(--ir-plum); box-shadow: 0 0 0 3px var(--ir-plum-50); }
.ir-listtitle { font-size: .8125rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ir-muted); margin: 0 0 8px; font-family: var(--ir-font-display); }
html[lang="ar"] .ir-listtitle { letter-spacing: 0; }
.ir-map { width: 100%; height: clamp(360px, 52vh, 580px); border-radius: var(--ir-radius-lg); overflow: hidden; background: var(--ir-steel-2); border: 1px solid var(--ir-line); position: relative; z-index: 0; }
.ir-map--home { height: 100%; min-height: 420px; }
.ir-map__legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 14px 0 0; font-size: .875rem; color: var(--ir-muted); list-style: none; padding: 0; }
.ir-map__legend li { display: inline-flex; align-items: center; gap: 8px; }
.ir-pin { width: 26px; height: 26px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--ir-blue); border: 3px solid #fff; box-shadow: 0 2px 6px rgba(0, 0, 0, .35); }
.ir-pin--real { background: var(--ir-plum); }
.leaflet-popup-content { font-family: var(--ir-font-body); font-size: .875rem; line-height: 1.5; margin: 14px 16px; }
.leaflet-popup-content strong { font-family: var(--ir-font-display); display: block; font-size: .95rem; color: var(--ir-ink); margin-bottom: 4px; }
.leaflet-popup-content ul { list-style: none; margin: 0; padding: 0; }
.leaflet-popup-content li { display: flex; gap: 8px; margin-top: 4px; }
.leaflet-popup-content li i { color: var(--ir-muted); width: 14px; margin-top: 4px; }
.leaflet-container a.ir-popup-link { color: var(--ir-blue); font-weight: 600; }
.marker-cluster-small, .marker-cluster-medium { background-color: rgba(43, 89, 168, .25) !important; }
.marker-cluster-small div, .marker-cluster-medium div { background-color: var(--ir-blue) !important; color: #fff; font-weight: 700; }
@media (max-width: 991.98px) { .ir-presence { grid-template-columns: 1fr; } .ir-map--home { min-height: 340px; } }

/* ---------- Marchés ---------------------------------------------------------- */

.ir-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
@media (max-width: 767.98px) {
  /* une seule ligne défilante plutôt que cinq lignes de pastilles */
  .ir-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: -16px; padding: 2px 16px 6px; scroll-padding-inline: 16px; }
  .ir-tabs::-webkit-scrollbar { display: none; }
  .ir-tab, .ir-chip { flex: 0 0 auto; white-space: nowrap; }
}
.ir-tab, .ir-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--ir-line); background: #fff; color: var(--ir-text);
  font-size: .875rem; font-weight: 600; text-decoration: none; cursor: pointer; line-height: 1.3;
  transition: border-color .15s, background-color .15s, color .15s;
}
.ir-tab:hover, .ir-chip:hover { border-color: var(--ir-blue); color: var(--ir-blue); }
.ir-tab[aria-current="page"], .ir-chip[aria-pressed="true"] { background: var(--ir-ink); border-color: var(--ir-ink); color: #fff; }
.ir-chip .ir-chip__n { font-weight: 500; opacity: .7; font-variant-numeric: tabular-nums; }

.ir-search { position: relative; max-width: 420px; margin-bottom: 20px; }
.ir-search input {
  width: 100%; min-height: 46px; padding: 10px 16px; padding-inline-start: 42px; border: 1px solid var(--ir-line);
  border-radius: var(--ir-radius); font: inherit; background: #fff; color: var(--ir-text);
}
.ir-search input:focus { border-color: var(--ir-blue); outline: 2px solid var(--ir-blue-50); outline-offset: 0; }
.ir-search i { position: absolute; inset-inline-start: 15px; top: 50%; transform: translateY(-50%); color: var(--ir-muted); }

.ir-notices { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ir-line); }
.ir-notice { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--ir-line); }
.ir-notice__thumb { width: 72px; aspect-ratio: 3 / 4; border-radius: 4px; overflow: hidden; background: var(--ir-steel); border: 1px solid var(--ir-line); }
.ir-notice__thumb img { width: 100%; height: 100%; object-fit: contain; }
.ir-notice__ref { font-family: var(--ir-font-display); font-weight: 700; font-size: 1.0625rem; color: var(--ir-ink); margin: 0 0 6px; overflow-wrap: anywhere; }
.ir-notice__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: .8125rem; color: var(--ir-muted); }
.ir-notice__desc { margin: 6px 0 0; font-size: .9rem; color: var(--ir-muted); }
.ir-notice__actions { display: flex; gap: 8px; }
@media (max-width: 767.98px) {
  .ir-notice { grid-template-columns: 56px minmax(0, 1fr); }
  .ir-notice__thumb { width: 56px; }
  .ir-notice__actions { grid-column: 1 / -1; }
  .ir-notice__actions .ir-btn { flex: 1; }
}
.ir-empty { padding: 40px 24px; text-align: center; color: var(--ir-muted); background: var(--ir-steel); border-radius: var(--ir-radius-lg); border: 1px dashed #c3ccd5; }
.ir-empty i { display: block; font-size: 1.75rem; margin-bottom: 10px; color: #9aa6b2; }

/* ---------- Partenaires ------------------------------------------------------ */

/* Un secteur par rangée : libellé à gauche, logos posés sur le fond (sans cartes).
   La hauteur de chaque logo vaut --ir-logo × --k (k = 1/√ratio) pour équilibrer leur poids visuel. */
.ir-sectors { --ir-logo: 92px; border-top: 2px solid var(--ir-ink); }
.ir-sectors__count { margin: 0 0 14px; font-family: var(--ir-font-display); font-size: .8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ir-muted); }
html[lang="ar"] .ir-sectors__count { letter-spacing: 0; text-transform: none; font-size: .9375rem; }
.ir-sector { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px clamp(24px, 4vw, 64px); padding-block: clamp(28px, 4vw, 44px); }
.ir-sector + .ir-sector { border-top: 1px solid var(--ir-line); }
.ir-sector__head { display: flex; align-items: baseline; gap: 12px; align-self: start; position: sticky; top: calc(var(--ir-nav-h) + 24px); }
.ir-sector__num { font-family: var(--ir-font-display); font-size: .8125rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ir-blue); }
.ir-sector h2 { margin: 0; font-size: 1.125rem; line-height: 1.3; color: var(--ir-ink); }
.ir-sector__logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 36px 24px; list-style: none; margin: 0; padding: 0; }
.ir-sector__logos li { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.ir-sector__logo { display: flex; align-items: center; justify-content: center; height: calc(var(--ir-logo) * 1.05); }
.ir-sector__logo img { display: block; height: calc(var(--ir-logo) * var(--k, .8)); width: auto; max-width: 100%; object-fit: contain; }
.ir-sector__name { font-size: .8125rem; line-height: 1.35; color: var(--ir-muted); max-width: 20ch; text-wrap: balance; }
@media (max-width: 991.98px) {
  .ir-sector { grid-template-columns: 1fr; }
  .ir-sector__head { position: static; }
}
@media (max-width: 575.98px) {
  .ir-sectors { --ir-logo: 64px; }
  .ir-sector__logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 16px; }
}

/* ---------- Bandeau contact -------------------------------------------------- */

.ir-cta { background: var(--ir-blue-800); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.ir-cta__bg { position: absolute; inset: 0; z-index: -1; }
.ir-cta__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 60%; opacity: .35; mix-blend-mode: luminosity; }
.ir-cta__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(calc(90deg * var(--ir-x)), var(--ir-blue-800) 25%, rgba(23, 51, 106, .55) 70%, rgba(139, 43, 132, .45)); }
.ir-cta .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-block: clamp(56px, 7vw, 96px); }
.ir-cta h2 { color: #fff; margin: 0; font-size: clamp(1.875rem, 1.1rem + 2.4vw, 3.25rem); font-stretch: 75%; font-weight: 800; line-height: 1; }
html[lang="ar"] .ir-cta h2 { line-height: 1.4; }
.ir-cta p { margin: 12px 0 0; color: rgba(255, 255, 255, .88); font-size: 1.125rem; }
.ir-cta__actions { display: flex; flex-wrap: wrap; gap: 16px 22px; align-items: center; }
.ir-cta__phone { color: #fff; font-family: var(--ir-font-display); font-weight: 700; font-size: 1.125rem; text-decoration: none; }
.ir-cta__phone:hover { color: #fff; text-decoration: underline; }

/* ---------- Pages de détail -------------------------------------------------- */

.ir-detail { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(28px, 4vw, 56px); align-items: start; }
.ir-detail > * { min-width: 0; }
.ir-aside { display: grid; gap: 24px; position: sticky; top: calc(var(--ir-nav-h) + 20px); }
.ir-aside__box { border: 1px solid var(--ir-line); border-radius: var(--ir-radius-lg); padding: 20px; background: #fff; }
.ir-aside__box h2 { font-size: 1rem; margin: 0 0 12px; }
.ir-aside__box .ir-unitlist a { padding-block: 9px; font-size: .9375rem; }
@media (max-width: 991.98px) { .ir-detail { grid-template-columns: 1fr; } .ir-aside { position: static; } }

.ir-contactlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: .9375rem; }
.ir-contactlist li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; }
.ir-contactlist i { color: var(--ir-blue); margin-top: 5px; }
.ir-contactlist a { overflow-wrap: anywhere; }

.ir-prose { font-size: 1.0625rem; line-height: 1.75; color: var(--ir-text); max-width: 72ch; overflow-wrap: break-word; }
html[lang="ar"] .ir-prose { line-height: 1.95; }
.ir-prose :is(h2, h3, h4) { margin: 1.6em 0 .5em; line-height: 1.25; }
.ir-prose h2 { font-size: 1.5rem; }
.ir-prose h3 { font-size: 1.25rem; }
.ir-prose p { margin: 0 0 1em; }
.ir-prose ul, .ir-prose ol { padding-inline-start: 1.3em; margin: 0 0 1em; }
.ir-prose li { margin-bottom: .35em; }
.ir-prose img { max-width: 100% !important; height: auto !important; border-radius: var(--ir-radius); }
.ir-prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.ir-prose td, .ir-prose th { border: 1px solid var(--ir-line); padding: 6px 10px; }
.ir-prose iframe { max-width: 100%; }
.ir-prose > :first-child { margin-top: 0; }
.ir-prose [style*="font-family"] { font-family: inherit !important; }
.ir-prose [style*="font-size"] { font-size: inherit !important; }

.ir-notice-lang { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--ir-radius); background: var(--ir-warn-50); color: var(--ir-warn); font-size: .875rem; margin-bottom: 20px; }

/* Galerie (page de détail et fenêtre) */
.ir-gallery { margin-top: 32px; }
.ir-gallery__main .splide__slide { height: clamp(260px, 56vh, 620px); background: var(--ir-steel); border-radius: var(--ir-radius-lg); overflow: hidden; position: relative; isolation: isolate; }
.ir-gallery__main .splide__slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.ir-gallery__thumbs { margin-top: 10px; }
.ir-gallery__thumbs .splide__slide { border-radius: var(--ir-radius); overflow: hidden; opacity: .55; border: 2px solid transparent !important; background: var(--ir-steel); transition: opacity .2s; }
.ir-gallery__thumbs .splide__slide.is-active { opacity: 1; border-color: var(--ir-blue) !important; }
.ir-gallery__thumbs .splide__slide img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Fenêtres (modales) ----------------------------------------------- */

.ir-modal .modal-content { border: 0; border-radius: var(--ir-radius-lg); overflow: hidden; }
.ir-modal .modal-header { border-bottom: 1px solid var(--ir-line); padding: 16px 22px; gap: 12px; }
.ir-modal .modal-title { font-family: var(--ir-font-display); font-size: 1.25rem; font-weight: 700; color: var(--ir-ink); margin: 0; }
.ir-modal .btn-close { margin: 0; margin-inline-start: auto; }
.ir-modal__layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
.ir-modal__media { background: var(--ir-steel); padding: 16px; min-width: 0; }
.ir-modal__media .ir-gallery { margin: 0; }
.ir-modal__media .ir-gallery__main .splide__slide { height: clamp(240px, 58vh, 600px); background: #fff; }
.ir-modal__text { padding: 22px 24px; overflow-y: auto; max-height: 70vh; }
.ir-modal__single { display: grid; place-items: center; }
.ir-modal__single img { max-width: 100%; max-height: 70vh; object-fit: contain; }
.ir-modal--doc .modal-body { padding: 0; background: var(--ir-steel); }
.ir-modal--doc iframe { width: 100%; height: 80vh; border: 0; display: block; }
@media (max-width: 991.98px) { .ir-modal__layout { grid-template-columns: 1fr; } .ir-modal__text { max-height: none; } }

/* ---------- Photos découpées en biais (pied de rail du logo) ---------------- */

.ir-slant-photo { margin: 0; aspect-ratio: 4 / 3; overflow: hidden; clip-path: polygon(0 0, 100% 0, calc(100% - var(--ir-slant)) 100%, 0 100%); background: var(--ir-steel-2); }
[dir="rtl"] .ir-slant-photo { clip-path: polygon(0 0, 100% 0, 100% 100%, var(--ir-slant) 100%); }
.ir-split--reverse .ir-slant-photo { clip-path: polygon(var(--ir-slant) 0, 100% 0, 100% 100%, 0 100%); }
[dir="rtl"] .ir-split--reverse .ir-slant-photo { clip-path: polygon(0 0, calc(100% - var(--ir-slant)) 0, 100% 100%, 0 100%); }
.ir-slant-photo img { width: 100%; height: 100%; object-fit: cover; }
.ir-slant-photo--tall { aspect-ratio: 4 / 5; }
@media (prefers-reduced-motion: no-preference) {
  .ir-js .ir-slant-photo img { opacity: 0; transform: scale(1.08) translateX(calc(-3% * var(--ir-x))); transition: opacity .9s var(--ir-ease), transform 1.2s var(--ir-ease); }
  .ir-js .ir-slant-photo.is-in img { opacity: 1; transform: none; }
}

/* ---------- Nos services ---------------------------------------------------- */

/* sommaire collant des services */
.ir-jump { position: sticky; top: var(--ir-nav-h); z-index: 1010; background: #fff; border-block: 1px solid var(--ir-line); }
.ir-jump ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.ir-jump ul::-webkit-scrollbar { display: none; }
.ir-jump a {
  display: inline-flex; align-items: center; gap: 10px; padding: 16px 14px; white-space: nowrap; position: relative;
  color: var(--ir-ink); text-decoration: none; font-family: var(--ir-font-display); font-weight: 700; font-stretch: 88%; font-size: .9375rem;
}
.ir-jump a i { color: var(--ir-blue); }
.ir-jump a::after { content: ""; position: absolute; inset-inline: 14px; bottom: -1px; height: 3px; background: var(--ir-plum); transform: scaleX(0); transition: transform .3s var(--ir-ease); }
.ir-jump a:hover::after, .ir-jump a.is-current::after { transform: none; }
.ir-jump a.is-current { color: var(--ir-blue); }
.ir-anchor { scroll-margin-top: calc(var(--ir-nav-h) + 56px); }

.ir-split--media { align-items: center; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.ir-split--reverse > :first-child { order: 2; }
@media (max-width: 991.98px) { .ir-split--reverse > :first-child { order: 0; } }

.ir-prefa { display: grid; grid-template-columns: minmax(0, 1.25fr) repeat(3, minmax(0, 1fr)); gap: 0; background: #fff; border: 1px solid var(--ir-line); }
.ir-prefa__photo { margin: 0; grid-row: span 2; min-height: 320px; overflow: hidden; }
.ir-prefa__photo img { width: 100%; height: 100%; object-fit: cover; }
.ir-prefa__group { padding: 26px 24px; border-inline-start: 1px solid var(--ir-line); }
.ir-prefa__group h3 { font-size: 1.125rem; font-stretch: 85%; margin: 0 0 14px; padding-bottom: 12px; border-bottom: 3px solid; border-image: linear-gradient(90deg, var(--ir-blue) 50%, var(--ir-plum) 50%) 1; }
.ir-prefa__group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.ir-prefa__group li { font-size: .9375rem; line-height: 1.4; color: var(--ir-text); padding-inline-start: 16px; position: relative; }
.ir-prefa__group li::before { content: ""; position: absolute; inset-inline-start: 0; top: .55em; width: 7px; height: 3px; background: var(--ir-blue); }
.ir-new { display: inline-block; margin-inline-start: 4px; padding: 1px 7px; font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: #fff; background: var(--ir-plum); border-radius: var(--ir-radius); vertical-align: 1px; }
.ir-prefa__jic { grid-column: 2 / -1; margin: 0; padding: 18px 24px; display: flex; gap: 12px; align-items: baseline; border-top: 1px solid var(--ir-line); border-inline-start: 1px solid var(--ir-line); background: var(--ir-blue-50); font-weight: 600; color: var(--ir-blue-800); }
@media (max-width: 1199.98px) {
  .ir-prefa { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ir-prefa__photo { grid-row: auto; grid-column: 1 / -1; min-height: 0; aspect-ratio: 16 / 6; }
  .ir-prefa__group:nth-child(2) { border-inline-start: 0; }
  .ir-prefa__jic { grid-column: 1 / -1; border-inline-start: 0; }
}
@media (max-width: 767.98px) {
  .ir-prefa { grid-template-columns: 1fr; }
  .ir-prefa__group { border-inline-start: 0; border-top: 1px solid var(--ir-line); }
}

.ir-catlinks { margin-top: 32px; }
.ir-catlinks ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; }
.ir-catlinks a { display: grid; grid-template-columns: 52px 1fr auto; gap: 14px; align-items: center; padding: 8px 14px 8px 8px; background: #fff; border: 1px solid var(--ir-line); border-radius: var(--ir-radius); color: var(--ir-ink); text-decoration: none; font-weight: 700; font-family: var(--ir-font-display); font-stretch: 90%; transition: border-color .15s, transform .16s var(--ir-ease); }
.ir-catlinks a:hover { border-color: var(--ir-blue); color: var(--ir-blue); }
.ir-catlinks a:active { transform: scale(.98); }
.ir-catlinks__img { width: 52px; height: 52px; background: var(--ir-ink-2); overflow: hidden; border-radius: var(--ir-radius); }
.ir-catlinks__img img { width: 100%; height: 100%; object-fit: cover; }
.ir-catlinks i { font-size: .8em; color: var(--ir-blue); }

/* long rail soudé */
.ir-lrs-section { overflow: hidden; isolation: isolate; }
.ir-lrs-section__bg { position: absolute; top: 0; bottom: 0; inset-inline-end: 0; width: 48%; z-index: -1; }
.ir-lrs-section__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.ir-lrs-section__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(calc(90deg * var(--ir-x)), var(--ir-ink), rgba(12, 26, 51, .3)); }
.ir-lrs-section .ir-h2 { margin-bottom: 18px; }
.ir-lrs { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px 44px; align-items: center; }
.ir-lrs__value { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 70%; font-size: clamp(5rem, 2rem + 10vw, 11rem); line-height: .85; color: #fff; font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.ir-lrs p { font-size: 1.25rem; color: var(--ir-on-dark); margin: 0; max-width: 34ch; }
.ir-lrs__track { grid-column: 1 / -1; height: 18px; position: relative; margin-top: 18px; background: repeating-linear-gradient(90deg, transparent 0 30px, rgba(255, 255, 255, .16) 30px 36px); }
.ir-lrs__track i { position: absolute; inset-block: 0; inset-inline-start: 0; width: 100%; border-block: 4px solid; border-color: var(--ir-blue-300) transparent var(--ir-plum-300); transform-origin: left center; }
[dir="rtl"] .ir-lrs__track i { transform-origin: right center; }
.ir-js .ir-lrs.is-armed .ir-lrs__track i { transform: scaleX(0); }
.ir-js .ir-lrs.is-armed.is-in .ir-lrs__track i { transform: none; transition: transform 2.2s var(--ir-ease-io) .2s; }
@media (max-width: 575.98px) { .ir-lrs { grid-template-columns: 1fr; } .ir-lrs-section__bg { width: 100%; opacity: .5; } }

.ir-plants { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.ir-plants li { display: grid; gap: 4px; padding: 22px 24px 24px 0; border-top: 4px solid var(--ir-ink); position: relative; }
.ir-plants li:nth-child(n + 4) { border-top-width: 1px; border-top-color: var(--ir-line); }
.ir-plants__place { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 75%; font-size: 1.75rem; line-height: 1.05; color: var(--ir-ink); }
.ir-plants__wilaya { display: inline-flex; align-items: center; gap: 6px; color: var(--ir-muted); font-size: .875rem; }
.ir-plants__wilaya i { color: var(--ir-plum); }
.ir-plants__product { margin-top: 8px; font-weight: 600; color: var(--ir-text); }
.ir-plants__since { font-size: .8125rem; color: var(--ir-blue); font-weight: 600; }
@media (max-width: 991.98px) { .ir-plants { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ir-plants li:nth-child(n + 3) { border-top-width: 1px; border-top-color: var(--ir-line); } }
@media (max-width: 575.98px) { .ir-plants { grid-template-columns: 1fr; } .ir-plants li:nth-child(n + 2) { border-top-width: 1px; border-top-color: var(--ir-line); } }

.ir-quarries { list-style: none; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.ir-quarries li { display: grid; padding: 14px 0; border-top: 1px solid var(--ir-line); }
.ir-quarries b { font-family: var(--ir-font-display); font-size: 1.25rem; font-stretch: 85%; color: var(--ir-ink); }
.ir-quarries span { color: var(--ir-muted); font-size: .9375rem; }
.ir-quarries small { color: var(--ir-plum); font-weight: 700; }

.ir-devgrid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr)); grid-auto-rows: minmax(150px, auto); gap: 8px; }
.ir-devgrid__photo { grid-row: span 2; overflow: hidden; min-height: 300px; }
.ir-devgrid__photo img { width: 100%; height: 100%; object-fit: cover; }
.ir-devgrid__item { display: flex; flex-direction: column; justify-content: space-between; gap: 22px; padding: 24px; background: var(--ir-steel); font-family: var(--ir-font-display); font-weight: 700; font-stretch: 88%; font-size: 1.125rem; line-height: 1.25; color: var(--ir-ink); transition: background-color .2s, color .2s; }
.ir-devgrid__item i { width: 44px; height: 44px; display: grid; place-items: center; background: #fff; color: var(--ir-blue); font-size: 1.1rem; border-radius: var(--ir-radius); }
.ir-devgrid__item:nth-of-type(3) { background: var(--ir-ink); color: #fff; }
.ir-devgrid__item:nth-of-type(3) i { background: var(--ir-plum); color: #fff; }
.ir-devgrid__item:nth-of-type(6) { background: var(--ir-blue); color: #fff; }
.ir-devgrid__item:nth-of-type(6) i { background: rgba(255, 255, 255, .16); color: #fff; }
@media (max-width: 991.98px) {
  .ir-devgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ir-devgrid__photo { grid-row: auto; grid-column: 1 / -1; min-height: 0; aspect-ratio: 16 / 7; }
}
@media (max-width: 479.98px) { .ir-devgrid { grid-template-columns: 1fr; } }

.ir-quality { background: var(--ir-ink); color: var(--ir-on-dark); }
.ir-quality .container { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between; padding-block: clamp(36px, 5vw, 56px); }
.ir-quality h2 { color: #fff; margin: 0 0 6px; font-size: 1.5rem; font-stretch: 80%; font-weight: 800; }
.ir-quality p { margin: 0; color: var(--ir-on-dark-muted); max-width: 60ch; }

/* ---------- Présentation / PDG ---------------------------------------------- */

.ir-split { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.ir-split--top { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
@media (max-width: 991.98px) { .ir-split, .ir-split--top, .ir-split--media { grid-template-columns: 1fr; } }
.ir-prose--lead p:first-child { font-size: 1.1875rem; color: var(--ir-ink); }

.ir-idcard { margin: 0; background: var(--ir-ink); color: var(--ir-on-dark); overflow: hidden; border-radius: var(--ir-radius-lg); position: relative; }
.ir-idcard::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px; background: linear-gradient(var(--ir-blue-300) 0 2px, var(--ir-plum-300) 2px 4px); }
.ir-idcard h2 { font-size: 1.25rem; font-stretch: 80%; font-weight: 800; margin: 0; padding: 22px 24px 12px; color: #fff; }
.ir-idcard dl { margin: 0; padding: 0 24px 12px; }
.ir-idcard div { display: grid; grid-template-columns: 40% 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .9375rem; }
.ir-idcard dt { color: var(--ir-on-dark-muted); font-weight: 500; }
.ir-idcard dd { margin: 0; color: #fff; font-weight: 600; }
.ir-idcard a { color: var(--ir-blue-300); }
.ir-split--top:has(> .ir-idcard) { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); }
@media (max-width: 575.98px) { .ir-idcard div { grid-template-columns: 1fr; gap: 2px; } }

/* frise historique */
.ir-timeline-wrap { overflow-x: auto; scrollbar-width: thin; padding-inline: var(--ir-gutter); scroll-padding-inline: var(--ir-gutter); scroll-snap-type: x proximity; }
.ir-timeline { --pin: 22px; list-style: none; margin: 0 auto; padding: 0 0 8px; display: grid; grid-template-columns: repeat(7, minmax(150px, 1fr)); position: relative; max-width: calc(1170px - 32px); }
.ir-timeline::before {
  content: ""; position: absolute; inset-inline: 0; top: calc(2.4rem + 14px + var(--pin) / 2 - 7px); height: 14px;
  border-block: 3px solid; border-color: var(--ir-blue) transparent var(--ir-plum);
  background: repeating-linear-gradient(90deg, transparent 0 18px, var(--ir-steel-2) 18px 23px); transform-origin: left center;
}
[dir="rtl"] .ir-timeline::before { transform-origin: right center; }
.ir-timeline__stop { display: grid; grid-template-rows: 2.4rem var(--pin) auto; row-gap: 14px; padding-inline-end: 20px; scroll-snap-align: start; }
.ir-timeline__year { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 72%; font-size: 2.4rem; line-height: 1; color: var(--ir-ink); }
.ir-timeline .ir-stop__pin { width: var(--pin); height: var(--pin); border-color: #fff; box-shadow: 0 0 0 2px var(--ir-plum); }
.ir-timeline__stop:last-child .ir-stop__pin { background: var(--ir-blue); box-shadow: 0 0 0 2px var(--ir-blue); }
.ir-timeline__stop p { margin: 0; font-size: .9375rem; line-height: 1.5; color: var(--ir-text); }
.ir-timeline.is-armed::before { transform: scaleX(0); }
.ir-timeline.is-armed.is-in::before { transform: none; transition: transform 1.6s var(--ir-ease); }
.ir-timeline.is-armed .ir-stop__pin { transform: scale(0); }
.ir-timeline.is-armed.is-in .ir-stop__pin { transform: none; transition: transform .5s var(--ir-ease) calc(.2s + var(--i) * .14s); }

/* chiffre d'affaires et effectif */
.ir-figgrid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: stretch; }
@media (max-width: 991.98px) { .ir-figgrid { grid-template-columns: 1fr; } }
.ir-chart { margin: 32px 0 0; }
.ir-chart__bars { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(8px, 1.5vw, 18px); align-items: end; height: 340px; border-bottom: 3px solid var(--ir-ink); }
.ir-chart__bar { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
.ir-chart__value { text-align: center; margin-bottom: 6px; }
.ir-chart__value b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 78%; font-size: clamp(1rem, .8rem + .6vw, 1.375rem); color: var(--ir-ink); }
.ir-chart__col { display: block; height: var(--h); background: var(--ir-blue); transform-origin: bottom; border-radius: var(--ir-radius) var(--ir-radius) 0 0; }
.ir-chart__bar.is-peak .ir-chart__col { background: var(--ir-plum); }
.ir-chart__bar.is-peak .ir-chart__value b { color: var(--ir-plum); font-size: clamp(1.25rem, .9rem + 1vw, 1.875rem); }
.ir-chart__bar.is-partial .ir-chart__col { background: repeating-linear-gradient(135deg, var(--ir-blue-300) 0 6px, var(--ir-blue-100) 6px 12px); }
.ir-chart__year, .ir-chart__growth { position: absolute; inset-inline: 0; text-align: center; }
.ir-chart__year { top: calc(100% + 10px); font-weight: 700; font-size: .875rem; color: var(--ir-ink); white-space: nowrap; }
.ir-chart__growth { top: calc(100% + 32px); font-size: .8125rem; color: var(--ir-muted); font-weight: 600; }
.ir-chart__growth.is-up { color: var(--ir-blue); }
.ir-chart figcaption { margin-top: 66px; font-size: .8125rem; color: var(--ir-muted); }
.ir-js .ir-chart.is-armed .ir-chart__col { transform: scaleY(0); }
.ir-js .ir-chart.is-armed .ir-chart__value { opacity: 0; }
.ir-js .ir-chart.is-armed.is-in .ir-chart__col { transform: none; transition: transform .9s var(--ir-ease) calc(var(--i) * .08s); }
.ir-js .ir-chart.is-armed.is-in .ir-chart__value { opacity: 1; transition: opacity .5s var(--ir-ease) calc(.5s + var(--i) * .08s); }
@media (max-width: 575.98px) { .ir-chart__bars { height: 240px; } .ir-chart__growth { font-size: .6875rem; } .ir-chart__year { font-size: .75rem; } }

.ir-workforce { background: var(--ir-ink); color: var(--ir-on-dark); display: flex; flex-direction: column; border-radius: var(--ir-radius-lg); overflow: hidden; }
.ir-workforce > img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.ir-workforce__body { padding: 26px 28px 30px; }
.ir-workforce h2 { color: #fff; font-size: 1.25rem; font-stretch: 80%; font-weight: 800; margin: 0; }
.ir-workforce__num { margin: 12px 0 16px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.ir-workforce__num b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 70%; font-size: clamp(3.5rem, 2.5rem + 3vw, 5.5rem); line-height: .9; color: #fff; }
.ir-workforce__num span { color: var(--ir-plum-300); font-weight: 700; }
.ir-workforce p:last-child { margin: 0; color: var(--ir-on-dark-muted); font-size: .9375rem; }

.ir-checklist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.ir-checklist--single { grid-template-columns: 1fr; }
.ir-checklist li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--ir-line); }
.ir-checklist i { color: var(--ir-plum); margin-top: 5px; }
@media (max-width: 767.98px) { .ir-checklist { grid-template-columns: 1fr; } }

.ir-values { overflow: hidden; isolation: isolate; }
.ir-values__bg { position: absolute; inset: 0; z-index: -1; }
.ir-values__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .18; }
.ir-values__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--ir-ink), rgba(12, 26, 51, .78) 50%, var(--ir-ink)); }

.ir-pillars { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.ir-pillars--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ir-pillars li { padding: 26px 24px 28px 0; border-top: 4px solid; border-image: linear-gradient(90deg, var(--ir-blue) 0 40%, var(--ir-plum) 40% 70%, transparent 70%) 1; }
.ir-pillars li + li { padding-inline-start: 24px; }
.ir-pillars h3 { font-size: 1.3125rem; font-stretch: 85%; font-weight: 800; margin: 0 0 10px; color: var(--ir-ink); line-height: 1.2; }
.ir-pillars p { margin: 0; color: var(--ir-muted); }
.ir-section--ink .ir-pillars li { border-image: linear-gradient(90deg, var(--ir-blue-300) 0 40%, var(--ir-plum-300) 40% 70%, transparent 70%) 1; }
.ir-section--ink .ir-pillars h3 { color: #fff; }
.ir-section--ink .ir-pillars p { color: var(--ir-on-dark-muted); }
@media (max-width: 991.98px) { .ir-pillars--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ir-pillars--4 li:nth-child(odd) { padding-inline-start: 0; } }
@media (max-width: 767.98px) {
  .ir-pillars, .ir-pillars--4 { grid-template-columns: 1fr; }
  .ir-pillars li, .ir-pillars li + li { padding: 20px 0; }
}

.ir-ambition { margin-top: clamp(48px, 6vw, 80px); display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr); gap: 20px 48px; padding-top: 36px; border-top: 1px solid rgba(255, 255, 255, .16); }
.ir-ambition__title { font-size: clamp(1.5rem, 1rem + 1.4vw, 2.25rem); font-stretch: 78%; font-weight: 800; margin: 0; color: #fff; }
.ir-ambition p { margin: 0 0 14px; font-size: 1.125rem; color: var(--ir-on-dark); line-height: 1.6; }
@media (max-width: 767.98px) { .ir-ambition { grid-template-columns: 1fr; } }

.ir-certs { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 32px 56px; align-items: center; }
.ir-certs__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.ir-cert {
  width: 100%; height: 100%; display: grid; grid-template-columns: 72px 1fr; grid-template-rows: auto auto; column-gap: 16px; align-items: center; text-align: start;
  padding: 18px; background: #fff; border: 1px solid var(--ir-line); border-radius: var(--ir-radius-lg); cursor: pointer; font: inherit; color: inherit;
  transition: border-color .15s, box-shadow .2s var(--ir-ease), transform .16s var(--ir-ease);
}
.ir-cert img { grid-row: span 2; width: 72px; height: 48px; object-fit: contain; }
.ir-cert b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 85%; font-size: 1.25rem; color: var(--ir-ink); }
.ir-cert span { font-size: .8125rem; color: var(--ir-muted); line-height: 1.35; }
button.ir-cert:hover { border-color: var(--ir-blue); box-shadow: var(--ir-shadow); }
button.ir-cert:active { transform: scale(.98); }
.ir-cert--class { background: var(--ir-ink); border-color: var(--ir-ink); cursor: default; }
.ir-cert__ix { grid-row: span 2; font-family: var(--ir-font-display); font-weight: 800; font-stretch: 70%; font-size: 3rem !important; line-height: 1; color: var(--ir-plum-300) !important; text-align: center; }
.ir-cert--class span { color: var(--ir-on-dark); font-weight: 600; font-size: .9375rem; }
@media (max-width: 991.98px) { .ir-certs { grid-template-columns: 1fr; } }
@media (max-width: 479.98px) { .ir-certs__list { grid-template-columns: 1fr; } }

.ir-faq { border-top: 1px solid var(--ir-line); max-width: 860px; }
.ir-faq details { border-bottom: 1px solid var(--ir-line); }
.ir-faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 18px 0; font-family: var(--ir-font-display); font-weight: 700; font-size: 1.0625rem; color: var(--ir-ink);
}
.ir-faq summary::-webkit-details-marker { display: none; }
.ir-faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--ir-plum); transition: transform .2s var(--ir-ease); flex: 0 0 auto; }
.ir-faq details[open] summary::after { transform: rotate(45deg); }
.ir-faq summary:hover { color: var(--ir-blue); }
.ir-faq details p { margin: 0 0 20px; color: var(--ir-text); max-width: 70ch; }

/* lettre du PDG */
.ir-letter-grid { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.ir-letter-aside { position: sticky; top: calc(var(--ir-nav-h) + 32px); }
.ir-letter-aside__who { margin-top: 18px; display: grid; gap: 2px; padding-top: 14px; border-top: 1px solid var(--ir-line); }
.ir-letter-aside__who strong { font-family: var(--ir-font-display); font-size: 1.25rem; color: var(--ir-ink); }
.ir-letter-aside__who span { color: var(--ir-muted); font-size: .9375rem; }
@media (max-width: 991.98px) { .ir-letter-grid { grid-template-columns: 1fr; } .ir-letter-aside { position: static; max-width: 520px; } }
.ir-letter { max-width: 720px; }
.ir-letter p { font-size: 1.125rem; line-height: 1.8; margin: 0 0 1.15em; }
html[lang="ar"] .ir-letter p { line-height: 2; }
.ir-letter .ir-letter__lead { font-family: var(--ir-font-display); font-size: clamp(1.375rem, 1.05rem + 1vw, 1.875rem); line-height: 1.32; color: var(--ir-ink); font-weight: 600; font-stretch: 90%; margin-bottom: 1.2em; }
html[lang="ar"] .ir-letter .ir-letter__lead { line-height: 1.75; }
.ir-letter p:not(.ir-letter__lead):first-of-type::first-letter { font-family: var(--ir-font-display); font-weight: 800; font-size: 3.4em; float: inline-start; line-height: .85; margin-inline-end: 10px; margin-top: 6px; color: var(--ir-plum); }
html[lang="ar"] .ir-letter p:not(.ir-letter__lead):first-of-type::first-letter { font-size: inherit; float: none; margin: 0; color: inherit; font-weight: inherit; }
.ir-letter strong { color: var(--ir-ink); }
.ir-signature { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--ir-line); display: flex; gap: 18px; align-items: center; }
.ir-signature__mark { display: grid; gap: 5px; }
.ir-signature__mark i { display: block; width: 30px; height: 4px; background: var(--ir-blue); }
.ir-signature__mark i + i { background: var(--ir-plum); margin-inline-start: 12px; }
.ir-signature strong { display: block; font-family: var(--ir-font-display); font-size: 1.375rem; font-stretch: 85%; color: var(--ir-ink); }
.ir-signature span { color: var(--ir-muted); }
.ir-portrait { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--ir-radius-lg); }
.ir-figures--compact { padding-block: clamp(44px, 5vw, 72px); }

/* ---------- Ressources ------------------------------------------------------- */

.ir-bignum { margin: 22px 0 0; display: grid; gap: 4px; }
.ir-bignum b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 70%; font-size: clamp(4rem, 2.5rem + 5vw, 7rem); line-height: .85; color: var(--ir-blue); }
.ir-bignum span { color: var(--ir-plum); font-weight: 700; }
.ir-fleet { overflow: hidden; isolation: isolate; }
.ir-fleet__bg { position: absolute; inset: 0; z-index: -1; }
.ir-fleet__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .14; }
.ir-fleet__groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px clamp(24px, 4vw, 48px); }
.ir-fleet__group h3 { font-size: 1.125rem; font-stretch: 85%; margin: 0 0 8px; padding-bottom: 12px; border-bottom: 3px solid; border-image: linear-gradient(90deg, var(--ir-blue-300) 50%, var(--ir-plum-300) 50%) 1; }
.ir-fleet__group ul { list-style: none; margin: 0; padding: 0; }
.ir-fleet__group li { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.ir-fleet__group b { font-family: var(--ir-font-display); font-weight: 800; font-stretch: 72%; font-size: 1.75rem; line-height: 1; color: #fff; text-align: end; }
.ir-fleet__group span { color: var(--ir-on-dark); font-size: .9375rem; }
@media (max-width: 991.98px) { .ir-fleet__groups { grid-template-columns: 1fr; } }

/* ---------- Formulaire ------------------------------------------------------- */

.ir-form { display: grid; gap: 18px; }
.ir-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 575.98px) { .ir-form__row { grid-template-columns: 1fr; } }
.ir-field label { display: block; font-weight: 600; font-size: .9375rem; color: var(--ir-ink); margin-bottom: 6px; }
.ir-field label small { font-weight: 400; color: var(--ir-muted); margin-inline-start: 4px; }
.ir-field input, .ir-field select, .ir-field textarea {
  width: 100%; min-height: 48px; padding: 11px 14px; font: inherit; font-size: 1rem; color: var(--ir-text);
  background: #fff; border: 1px solid #b9c4cf; border-radius: var(--ir-radius); transition: border-color .15s, box-shadow .15s;
}
.ir-field textarea { min-height: 160px; resize: vertical; }
.ir-field :is(input, select, textarea):hover { border-color: #8d9aa8; }
.ir-field :is(input, select, textarea):focus { outline: none; border-color: var(--ir-blue); box-shadow: 0 0 0 3px rgba(43, 89, 168, .18); }
.ir-field [aria-invalid="true"] { border-color: var(--ir-danger); }
.ir-field__error { display: flex; gap: 6px; margin-top: 6px; font-size: .875rem; color: var(--ir-danger); }
.ir-check, .ir-field .ir-check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; font-size: .9rem; color: var(--ir-text); }
.ir-check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--ir-blue); }
.ir-hp { position: absolute !important; inset-inline-start: -10000px; width: 1px; height: 1px; overflow: hidden; }
.ir-alert { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 14px 16px; border-radius: var(--ir-radius); font-size: .9375rem; }
.ir-alert i { margin-top: 4px; }
.ir-alert--ok { background: var(--ir-ok-50); color: var(--ir-ok); }
.ir-alert--error { background: var(--ir-danger-50); color: var(--ir-danger); }
.ir-alert strong { font-variant-numeric: tabular-nums; }

/* ---------- Pied de page ----------------------------------------------------- */

.ir-footer { background: var(--ir-ink); color: var(--ir-on-dark-muted); font-size: .9375rem; }
.ir-footer a { color: var(--ir-on-dark); text-decoration: none; }
.ir-footer a:hover { color: #fff; text-decoration: underline; }
.ir-footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.3fr; gap: 32px; padding-block: clamp(48px, 6vw, 72px) 0; }
.ir-footer h2 { font-size: .8125rem; letter-spacing: .08em; text-transform: uppercase; color: #fff; margin: 0 0 14px; }
html[lang="ar"] .ir-footer h2 { letter-spacing: 0; font-size: .9375rem; }
.ir-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.ir-footer__brand p { margin: 14px 0 0; line-height: 1.6; max-width: 42ch; }
.ir-footer__name { font-family: var(--ir-font-display); font-weight: 800; font-size: 1.375rem; color: #fff; letter-spacing: .02em; }
.ir-footer address { font-style: normal; display: grid; gap: 8px; }
.ir-footer address i { width: 18px; margin-inline-end: 6px; color: var(--ir-on-dark-muted); }
.ir-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .12); }
.ir-footer__bottom .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-block: 20px; font-size: .8125rem; }
.ir-footer__legal { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.ir-footer .ir-social { display: flex; gap: 4px; }
.ir-footer .ir-social a { color: var(--ir-on-dark); }
@media (max-width: 1199.98px) { .ir-footer__top { grid-template-columns: 1fr 1fr 1fr; } .ir-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 575.98px) { .ir-footer__top { grid-template-columns: 1fr 1fr; } .ir-footer__contact { grid-column: 1 / -1; } }

/* ---------- Bandeau d'informations ------------------------------------------ */

body.has-ticker { --ir-ticker-h: 44px; }
.ir-ticker { position: fixed; inset-inline: 0; bottom: 0; z-index: 1020; height: 44px; display: flex; align-items: stretch; background: var(--ir-ink); color: #fff; border-top: 2px solid var(--ir-plum); }
.ir-ticker__label { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; padding-inline: 16px; background: var(--ir-plum); font-family: var(--ir-font-display); font-weight: 700; font-size: .8125rem; text-transform: uppercase; letter-spacing: .06em; }
html[lang="ar"] .ir-ticker__label { letter-spacing: 0; }
.ir-ticker__label::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #fff; animation: ir-pulse 1.8s ease-in-out infinite; }
.ir-ticker .splide { flex: 1; min-width: 0; display: flex; align-items: center; }
.ir-ticker .splide__track { width: 100%; }
.ir-ticker .splide__slide { display: flex; align-items: center; white-space: nowrap; padding-inline: 28px; font-size: .9375rem; border-inline-end: 1px solid rgba(255, 255, 255, .18); }
.ir-ticker a { color: #fff; }
.ir-ticker__toggle { flex: 0 0 auto; width: 44px; border: 0; background: rgba(255, 255, 255, .06); color: #fff; cursor: pointer; }
.ir-ticker__toggle:hover { background: rgba(255, 255, 255, .14); }
@keyframes ir-pulse { 50% { opacity: .35; } }
@media (max-width: 575.98px) { .ir-ticker__label span { display: none; } }

/* ---------- Pagination ------------------------------------------------------- */

.ir-pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.ir-pager a, .ir-pager span { min-width: 44px; height: 44px; display: inline-grid; place-items: center; padding-inline: 12px; border: 1px solid var(--ir-line); border-radius: var(--ir-radius); text-decoration: none; color: var(--ir-text); font-weight: 600; }
.ir-pager a:hover { border-color: var(--ir-blue); color: var(--ir-blue); }
.ir-pager [aria-current="page"] { background: var(--ir-ink); border-color: var(--ir-ink); color: #fff; }
.ir-pager .is-disabled { opacity: .45; }

/* ---------- Ressources ------------------------------------------------------- */

.ir-equip .ir-frame { --ratio: 4 / 3; background: linear-gradient(180deg, #fff, var(--ir-steel)); }
.ir-equip .ir-card__body { padding: 14px 16px 16px; gap: 4px; }
.ir-equip .ir-card__title { font-size: 1rem; }
.ir-equip[hidden] { display: none; }

/* ---------- Apparition au défilement (réservée au JS, contenu visible par défaut) */

.ir-js .ir-reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ir-ease), transform .7s var(--ir-ease); }
.ir-js .ir-reveal.is-in { opacity: 1; transform: none; }

/* ---------- Mouvement réduit ------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  /* l'indicateur de progression du diaporama n'est pas un mouvement spatial : il garde sa durée */
  .ir-hero__dot.is-active i { animation-duration: var(--ir-hero-delay, 5000ms) !important; }
  .ir-hero__img, .ir-hero__img.is-active { transform: none !important; transition: opacity .5s linear; }
  .ir-hero__slide.is-active .ir-hero__fill { animation: none; }
  .ir-hero__text, [dir="rtl"] .ir-hero__text { clip-path: none; transition: none; }
  .ir-js .ir-reveal, .ir-js .ir-chain.is-armed .ir-chain__step { transform: none; transition: opacity .4s linear; }
  .ir-chain__photo img, .ir-photoband__item img, .ir-card, .ir-nav__link::after, .ir-mega > * { transition: none; transform: none; }
}

/* ---------- Impression ------------------------------------------------------- */

@media print {
  .ir-topbar, .ir-navbar, .ir-ticker, .ir-footer, .ir-hero__controls, .ir-cta { display: none !important; }
  .ir-pagehead { background: none; color: #000; }
  .ir-pagehead h1 { color: #000; }
  body { padding: 0; }
}


/* ---------- Revue finale : champs de couleur du logo ----------------------- */

/* champ prune : le long rail soudé, les repères de la page du PDG */
.ir-lrs-section { background: var(--ir-plum); }
.ir-lrs-section__bg img { opacity: .35; mix-blend-mode: luminosity; }
.ir-lrs-section__bg::after { background: linear-gradient(calc(90deg * var(--ir-x)), var(--ir-plum) 30%, rgba(139, 43, 132, .35)); }
.ir-lrs__track i { border-color: #fff transparent var(--ir-ink); }
.ir-lrs__track { background: repeating-linear-gradient(90deg, transparent 0 30px, rgba(255, 255, 255, .28) 30px 36px); }
.ir-figures--plum { background: var(--ir-plum); }
.ir-figures--plum::before { background: radial-gradient(80% 120% at 100% 0%, rgba(12, 26, 51, .35), transparent 60%); }
.ir-figures--plum .ir-line::before { border-color: #fff transparent var(--ir-ink); background: repeating-linear-gradient(90deg, transparent 0 20px, rgba(255, 255, 255, .3) 20px 25px); }
.ir-figures--plum .ir-stop__pin { background: var(--ir-ink); box-shadow: 0 0 0 6px rgba(12, 26, 51, .25); }
.ir-figures--plum .ir-stop__value small { color: #f6dcf3; }
.ir-figures--plum .ir-stop__label { color: #f6e6f4; }
@media (max-width: 991.98px) { .ir-figures--plum .ir-line::before { border-color: transparent var(--ir-ink) transparent #fff; } }

/* champ bleu rail : l'appel à contact */
.ir-cta { background: var(--ir-blue); }
.ir-cta__bg img { opacity: .22; }
.ir-cta__bg::after { background: linear-gradient(calc(90deg * var(--ir-x)), var(--ir-blue) 35%, rgba(43, 89, 168, .6)); }
.ir-cta .ir-btn--light { --c: var(--ir-blue-800); }

/* nouveaux domaines : photo et liste, sans tuiles */
.ir-devgrid { grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr)); grid-auto-rows: auto; gap: 0 clamp(24px, 3vw, 40px); }
.ir-devgrid__photo { grid-row: span 3; min-height: 340px; margin-inline-end: 8px; }
.ir-devgrid__item, .ir-devgrid__item:nth-of-type(n) { flex-direction: row; align-items: center; justify-content: flex-start; gap: 16px; padding: 22px 0; background: none; color: var(--ir-ink); border-top: 1px solid var(--ir-line); font-size: 1.0625rem; }
.ir-devgrid__item i, .ir-devgrid__item:nth-of-type(n) i { flex: 0 0 auto; background: var(--ir-blue-50); color: var(--ir-blue); }
@media (max-width: 991.98px) { .ir-devgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ir-devgrid__photo { grid-row: auto; margin: 0 0 8px; } }
@media (max-width: 575.98px) { .ir-devgrid { grid-template-columns: 1fr; } }

/* volets : chaque mot reste sur une ligne */
.ir-flap { gap: 2px .45em; }
.ir-flap__w { display: inline-flex; gap: 1px; white-space: nowrap; }

/* carrousel produits défilant : pleine largeur, sans carte coupée au bord du conteneur */
.ir-carousel[data-autoscroll] { margin-inline: calc(50% - 50vw); }
.ir-carousel[data-autoscroll] .splide__track { -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.ir-carousel[data-autoscroll] .splide__arrow--prev, .ir-carousel.splide--rtl[data-autoscroll] .splide__arrow--next { left: var(--ir-gutter); right: auto; }
.ir-carousel[data-autoscroll] .splide__arrow--next, .ir-carousel.splide--rtl[data-autoscroll] .splide__arrow--prev { right: var(--ir-gutter); left: auto; }
.ir-carousel[data-autoscroll] .splide__arrow { top: auto; bottom: -64px; transform: none; }
.ir-carousel[data-autoscroll] { margin-bottom: 64px; }
.ir-catlinks__img, .ir-mega__thumb { display: grid; place-items: center; color: var(--ir-on-dark-muted); }

/* FAQ : la colonne du titre porte une photo */
.ir-faq-aside .ir-slant-photo { margin-top: 28px; }

/* ---------- Annonces : grande fenêtre à l'arrivée ----------------------------
   <dialog> natif (piège de focus, Échap, fond) ; photo entière à gauche, texte à droite.
   Sans description, la photo occupe toute la fenêtre. */

.ir-annonce {
  width: min(1120px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px);
  padding: 0; border: 0; background: transparent; color: var(--ir-text); overflow: visible;
}
.ir-annonce::backdrop { background: rgba(6, 14, 30, .74); backdrop-filter: blur(3px); }
.ir-annonce[open] { animation: ir-annonce-in .32s var(--ir-ease) both; }
.ir-annonce[open]::backdrop { animation: ir-fade-in .32s var(--ir-ease) both; }
.ir-annonce.is-closing { animation: ir-annonce-out .18s ease-in both; }
.ir-annonce.is-closing::backdrop { animation: ir-fade-out .18s ease-in both; }
@keyframes ir-annonce-in { from { opacity: 0; transform: translateY(12px) scale(.97); } }
@keyframes ir-annonce-out { to { opacity: 0; transform: translateY(6px) scale(.985); } }
@keyframes ir-fade-in { from { opacity: 0; } }
@keyframes ir-fade-out { to { opacity: 0; } }

.ir-annonce__frame {
  position: relative; display: flex; flex-direction: column; max-height: calc(100dvh - 32px);
  background: #fff; border-radius: var(--ir-radius-lg); overflow: hidden; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .55);
}
/* les deux rails du logo en tête de la fenêtre */
.ir-annonce__frame::before { content: ""; position: absolute; inset-inline: 0; top: 0; z-index: 3; height: 4px; background: linear-gradient(var(--ir-blue) 0 2px, var(--ir-plum) 2px 4px); }
.ir-annonce__slides { position: relative; flex: 1 1 auto; min-height: 0; display: grid; }
.ir-annonce__slide { grid-area: 1 / 1; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); min-height: 0; height: min(640px, calc(100dvh - 32px - 76px)); }
.ir-annonce__slide[hidden] { display: none; }
.ir-annonce__slide.is-active { animation: ir-annonce-slide .4s var(--ir-ease) both; }
@keyframes ir-annonce-slide { from { opacity: 0; transform: translateX(calc(14px * var(--ir-x))); } }

.ir-annonce__media { position: relative; margin: 0; overflow: hidden; background: var(--ir-ink); isolation: isolate; min-height: 0; }
.ir-annonce__fill { position: absolute; inset: -30px; z-index: -1; background-size: cover; background-position: center; filter: blur(26px) brightness(.55) saturate(1.1); }
.ir-annonce__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }

.ir-annonce__body { display: flex; flex-direction: column; min-height: 0; padding: clamp(28px, 4vw, 48px) clamp(24px, 3.5vw, 44px) 28px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.ir-annonce__rails { display: grid; gap: 5px; margin-bottom: 20px; }
.ir-annonce__rails i { display: block; width: 30px; height: 4px; background: var(--ir-blue); }
.ir-annonce__rails i + i { width: 34px; margin-inline-start: 12px; background: var(--ir-plum); }
.ir-annonce__title { margin: 0; font-size: clamp(1.625rem, 1.1rem + 1.5vw, 2.5rem); line-height: 1.05; font-weight: 800; font-stretch: 78%; color: var(--ir-ink); }
html[lang="ar"] .ir-annonce__title, .ir-annonce__slide[lang="ar"] .ir-annonce__title { line-height: 1.4; font-weight: 700; }
.ir-annonce__text { margin-top: 18px; font-size: 1.0625rem; line-height: 1.7; color: var(--ir-text); white-space: pre-line; overflow-wrap: anywhere; }

/* sans description : la photo seule, le titre en légende */
.ir-annonce__slide--photo { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; height: min(720px, calc(100dvh - 32px - 76px)); }
.ir-annonce__slide--photo .ir-annonce__body { flex-direction: row; align-items: center; gap: 16px; padding: 18px 28px; overflow: visible; }
.ir-annonce__slide--photo .ir-annonce__rails { margin: 0; flex: 0 0 auto; }
.ir-annonce__slide--photo .ir-annonce__title { font-size: clamp(1.25rem, 1rem + .8vw, 1.625rem); }

.ir-annonce__close {
  position: absolute; top: 14px; inset-inline-end: 14px; z-index: 4; width: 44px; height: 44px; display: grid; place-items: center;
  border: 0; border-radius: 50%; background: rgba(255, 255, 255, .95); color: var(--ir-ink); font-size: 1.125rem; cursor: pointer;
  box-shadow: 0 4px 14px rgba(12, 26, 51, .25); transition: background-color .15s, color .15s, transform .16s var(--ir-ease);
}
.ir-annonce__close:hover { background: var(--ir-ink); color: #fff; }
.ir-annonce__close:active { transform: scale(.94); }

.ir-annonce__bar { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; border-top: 1px solid var(--ir-line); background: var(--ir-steel); }
.ir-annonce__ok { margin-inline-start: auto; min-height: 44px; }
.ir-annonce__nav { display: flex; align-items: center; gap: 10px; }
.ir-annonce__count { min-width: 3.5em; text-align: center; font-family: var(--ir-font-display); font-weight: 700; color: var(--ir-ink); }
.ir-annonce__arrow { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--ir-line); border-radius: var(--ir-radius); background: #fff; color: var(--ir-ink); cursor: pointer; transition: border-color .15s, color .15s, transform .16s var(--ir-ease); }
.ir-annonce__arrow:hover { border-color: var(--ir-blue); color: var(--ir-blue); }
.ir-annonce__arrow:active { transform: scale(.95); }
[dir="rtl"] .ir-annonce__arrow i { transform: scaleX(-1); }

@media (max-width: 767.98px) {
  .ir-annonce { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); }
  .ir-annonce__frame { max-height: calc(100dvh - 20px); }
  .ir-annonce__slide { grid-template-columns: 1fr; grid-template-rows: minmax(180px, 46dvh) minmax(0, 1fr); height: calc(100dvh - 20px - 72px); }
  .ir-annonce__slide--photo { grid-template-rows: minmax(0, 1fr) auto; }
  .ir-annonce__body { padding: 24px 20px; }
  .ir-annonce__bar { padding: 12px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .ir-annonce[open], .ir-annonce.is-closing, .ir-annonce__slide.is-active { animation-name: ir-fade-in; }
  .ir-annonce.is-closing { animation-name: ir-fade-out; }
}
body.ir-dialog-open { overflow: hidden; }
.ir-annonce__frame:focus { outline: none; }
/* photo seule : titre et bouton « Fermer » sur la même ligne */
.ir-annonce__frame:has(.ir-annonce__slide--photo.is-active) .ir-annonce__bar { position: absolute; inset-inline-end: 0; bottom: 0; z-index: 2; border: 0; background: transparent; padding: 10px 20px; }
.ir-annonce__frame:has(.ir-annonce__slide--photo.is-active) .ir-annonce__slide--photo { height: min(760px, calc(100dvh - 32px)); }
.ir-annonce__slide--photo .ir-annonce__body { padding-inline-end: 260px; min-height: 64px; }
@media (max-width: 767.98px) {
  .ir-annonce__slide--photo, .ir-annonce__frame:has(.ir-annonce__slide--photo.is-active) .ir-annonce__slide--photo { height: auto; grid-template-rows: auto auto; }
  .ir-annonce__slide--photo .ir-annonce__media { aspect-ratio: 4 / 3; }
  .ir-annonce__slide--photo .ir-annonce__body { padding: 18px 20px 76px; }
  .ir-annonce__frame:has(.ir-annonce__slide--photo.is-active) .ir-annonce__bar { inset-inline: 0; }
}