/* SIGMA ICC – feuille de style du site (2026)
   Idée de mise en page : une planche de bureau d'études aux couleurs d'origine du site,
   graphite et jaune chantier, avec des animations douces (diaporama, apparitions, compteurs). */
:root {
  --papier: #f6f6f4;
  --carte: #ffffff;
  --encre: #303030;
  --nuit: #212121;
  --gris: #666666;
  --trait: #dadada;
  --calque: #ffb600;
  --calque-texte: #8f6400;
  --calque-fond: #fff3d1;
  --sur-jaune: #212121;
  --ambre: #ffb600;
  --ok: #2f7d4f;
  --alerte: #b5651d;
  --f-titre: "Barlow Semi Condensed", "Arial Narrow", Arial, sans-serif;
  --f-texte: "Source Sans 3", "Segoe UI", Roboto, Arial, sans-serif;
  --rayon: 6px;
  --large: 1180px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --papier: #161616; --carte: #202020; --encre: #ececec; --nuit: #0e0e0e; --gris: #a8a8a8; --trait: #353535;
    --calque: #ffb600; --calque-texte: #ffc634; --calque-fond: #2f2710; --sur-jaune: #212121; --ambre: #ffb600; --ok: #6cc08f; --alerte: #f0a95e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --papier: #161616; --carte: #202020; --encre: #ececec; --nuit: #0e0e0e; --gris: #a8a8a8; --trait: #353535;
    --calque: #ffb600; --calque-texte: #ffc634; --calque-fond: #2f2710; --sur-jaune: #212121; --ambre: #ffb600; --ok: #6cc08f; --alerte: #f0a95e;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--papier); color: var(--encre); font: 17px/1.6 var(--f-texte); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--calque-texte); }
h1, h2, h3, h4 { font-family: var(--f-titre); line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: .005em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 600; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--calque-texte); outline-offset: 2px; }
.conteneur { width: min(var(--large), 100% - 32px); margin-inline: auto; }
.num { font-variant-numeric: tabular-nums; }
.repere { font: 600 .78rem/1 var(--f-titre); letter-spacing: .14em; text-transform: uppercase; color: var(--gris); display: flex; gap: .6em; align-items: center; }
.repere::before { content: ""; width: 26px; height: 2px; background: var(--ambre); }

/* bandeau haut */
.bandeau { background: var(--nuit); color: #f1f1f1; font-size: .88rem; }
.bandeau .conteneur { display: flex; flex-wrap: wrap; gap: 6px 24px; justify-content: space-between; padding: 7px 0; }
.bandeau a { color: inherit; text-decoration: none; }
.bandeau span { opacity: .85; }

/* en-tête */
.entete { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--papier) 97%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--trait); }
.entete .conteneur { display: flex; align-items: center; gap: 20px; min-height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--encre); }
.logo img { height: 50px; width: auto; }
.logo .l-sombre { display: none; }
:root[data-theme="dark"] .logo .l-clair { display: none; } :root[data-theme="dark"] .logo .l-sombre { display: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo .l-clair { display: none; } :root:not([data-theme="light"]) .logo .l-sombre { display: block; } }
.nav { margin-left: auto; display: flex; gap: 2px; align-items: center; }
.nav a { color: var(--encre); text-decoration: none; font: 600 1rem var(--f-titre); padding: 8px 12px; border-radius: var(--rayon); letter-spacing: .02em; }
.nav a:hover { background: var(--calque-fond); }
.nav a[aria-current="page"] { color: var(--encre); box-shadow: inset 0 -3px 0 var(--calque); border-radius: 0; }
.nav a.btn-nav { background: var(--calque); color: var(--sur-jaune); margin-left: 8px; border-radius: var(--rayon); box-shadow: none; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--trait); color: var(--encre); border-radius: var(--rayon); padding: 8px 12px; font: 600 1rem var(--f-titre); cursor: pointer; }
@media (max-width: 960px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--papier); flex-direction: column; align-items: stretch; padding: 8px 16px 16px; border-bottom: 1px solid var(--trait); }
  .nav.ouvert { display: flex; }
  .nav a.btn-nav { margin: 8px 0 0; text-align: center; }
}

/* boutons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: var(--rayon); font: 600 1.02rem var(--f-titre); letter-spacing: .03em; text-decoration: none; border: 2px solid var(--calque); background: var(--calque); color: var(--sur-jaune); cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px color-mix(in srgb, var(--calque) 35%, transparent); }
.btn.secondaire { background: transparent; color: var(--encre); }
.btn.secondaire:hover { background: var(--calque); color: var(--sur-jaune); }
.btn.petit { padding: 7px 12px; font-size: .92rem; }

/* sections */
section { padding: 72px 0; }
.titre-section { display: grid; gap: 12px; margin-bottom: 36px; max-width: 760px; }
.titre-section p { color: var(--gris); font-size: 1.08rem; }
.fond-carte { background: var(--carte); border-block: 1px solid var(--trait); }

/* accueil – en-tête */
.ouverture { padding: 56px 0 64px; background-image: linear-gradient(var(--trait) 1px, transparent 1px), linear-gradient(90deg, var(--trait) 1px, transparent 1px); background-size: 32px 32px; background-position: -1px -1px; }
.ouverture .conteneur { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.ouverture-texte { display: grid; gap: 22px; background: var(--papier); padding: 8px 8px 8px 0; }
.ouverture-texte p { font-size: 1.15rem; color: var(--gris); max-width: 56ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.planche { position: relative; border: 1px solid var(--encre); background: var(--carte); padding: 10px; }
.planche img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.cartouche { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--encre); border-top: 0; font-size: .8rem; }
.cartouche div { padding: 6px 10px; border-left: 1px solid var(--encre); }
.cartouche div:first-child { border-left: 0; }
.cartouche b { display: block; font: 600 .68rem var(--f-titre); text-transform: uppercase; letter-spacing: .12em; color: var(--gris); }
@media (max-width: 860px) { .ouverture .conteneur { grid-template-columns: 1fr; } }

/* chiffres clés */
.chiffres { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--trait); background: var(--carte); }
.chiffres div { padding: 22px 24px; border-left: 1px solid var(--trait); display: grid; gap: 4px; }
.chiffres div:first-child { border-left: 0; }
.chiffres strong { font: 700 2.3rem/1 var(--f-titre); }
.chiffres span { color: var(--gris); font-size: .95rem; }
@media (max-width: 760px) { .chiffres { grid-template-columns: minmax(0,1fr) minmax(0,1fr); } .chiffres div { padding: 18px 16px; min-width: 0; } .chiffres strong { font-size: 1.45rem; } .chiffres div:nth-child(3) { border-left: 0; } .chiffres div:nth-child(n+3) { border-top: 1px solid var(--trait); } }

/* services */
.grille-services { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.service { display: grid; grid-template-rows: auto 1fr; background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); overflow: hidden; text-decoration: none; color: var(--encre); transition: border-color .15s, transform .15s; }
.service:hover { border-color: var(--calque-texte); transform: translateY(-2px); }
.service img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.service div { padding: 18px 20px 20px; display: grid; gap: 8px; align-content: start; }
.service .code { font: 600 .74rem var(--f-titre); letter-spacing: .14em; color: var(--calque-texte); text-transform: uppercase; }
.service p { color: var(--gris); font-size: .97rem; }

/* méthode */
.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: e; border-top: 2px solid var(--encre); }
.etapes li { list-style: none; padding: 20px 22px 0 0; display: grid; gap: 8px; align-content: start; }
.etapes li::before { counter-increment: e; content: "0" counter(e); font: 700 2.6rem/1 var(--f-titre); color: var(--calque); }
.etapes p { color: var(--gris); font-size: .97rem; }
.etapes { padding: 0; margin: 0; }
@media (max-width: 860px) { .etapes { grid-template-columns: 1fr 1fr; row-gap: 20px; } }
@media (max-width: 480px) { .etapes { grid-template-columns: 1fr; } }

/* projets */
.filtres { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.filtres button { font: 600 .95rem var(--f-titre); padding: 7px 14px; border-radius: 99px; border: 1px solid var(--trait); background: var(--carte); color: var(--encre); cursor: pointer; }
.filtres button[aria-pressed="true"] { background: var(--encre); color: var(--papier); border-color: var(--encre); }
.projets { display: grid; gap: 28px; }
.projet { display: grid; grid-template-columns: 1.2fr 1fr; gap: 0; background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); overflow: hidden; }
.projet .galerie { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--trait); }
.projet .galerie img { width: 100%; height: 100%; aspect-ratio: 5/4; object-fit: cover; }
.projet .galerie img:first-child:nth-last-child(odd) { grid-column: span 2; aspect-ratio: 16/9; }
.projet .infos { padding: 26px 28px; display: grid; gap: 14px; align-content: start; }
.projet dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0; font-size: .95rem; }
.projet dt { color: var(--gris); font-weight: 600; }
.projet dd { margin: 0; }
.projet p { color: var(--gris); }
.etiquette { display: inline-block; font: 600 .74rem var(--f-titre); letter-spacing: .12em; text-transform: uppercase; padding: 4px 10px; border-radius: 99px; background: var(--calque); color: var(--sur-jaune); justify-self: start; }
@media (max-width: 860px) { .projet { grid-template-columns: 1fr; } }
.apercu-projets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.apercu-projets a { text-decoration: none; color: var(--encre); display: grid; gap: 10px; }
.apercu-projets img { aspect-ratio: 4/3; object-fit: cover; border-radius: var(--rayon); width: 100%; }
.apercu-projets span { color: var(--gris); font-size: .92rem; }
@media (max-width: 860px) { .apercu-projets { grid-template-columns: 1fr 1fr; } }

/* bande chiffrage */
.bande-chiffrage { background: var(--nuit); color: #f1f1f1; }
.bande-chiffrage .conteneur { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.bande-chiffrage p { color: #c9c9c9; font-size: 1.08rem; }
.bande-chiffrage .repere { color: #bdbdbd; }
.bande-chiffrage h2 { color: #fff; }
.bande-chiffrage .btn.secondaire { color: #fff; }
.extrait { border: 1px solid #4a4a4a; padding: 18px 20px; font-size: .95rem; display: grid; gap: 8px; }
.extrait div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed #4a4a4a; padding-bottom: 6px; }
.extrait div:last-child { border: 0; font-weight: 700; font-size: 1.1rem; color: var(--calque); }
@media (max-width: 860px) { .bande-chiffrage .conteneur { grid-template-columns: 1fr; } }

/* valeurs, à propos */
.valeurs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.valeur { border-left: 4px solid var(--calque); padding: 4px 0 4px 18px; display: grid; gap: 6px; }
.valeur p { color: var(--gris); font-size: .97rem; }
.deux-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.deux-col .texte { display: grid; gap: 16px; }
.deux-col .texte p { color: var(--gris); }
@media (max-width: 860px) { .deux-col { grid-template-columns: 1fr; } }

/* page service */
.entete-page { padding: 48px 0 40px; border-bottom: 1px solid var(--trait); background: var(--carte); }
.entete-page .conteneur { display: grid; gap: 12px; }
.entete-page p { color: var(--gris); font-size: 1.1rem; max-width: 70ch; }
.fil { font-size: .9rem; color: var(--gris); }
.fil a { color: var(--gris); }
.page-service { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
.sommaire { position: sticky; top: 96px; display: grid; gap: 2px; border-left: 2px solid var(--trait); }
.sommaire a { padding: 7px 14px; text-decoration: none; color: var(--gris); font: 600 .98rem var(--f-titre); margin-left: -2px; border-left: 2px solid transparent; }
.sommaire a[aria-current="page"] { color: var(--calque-texte); border-left-color: var(--calque-texte); }
.contenu { display: grid; gap: 22px; max-width: 72ch; }
.contenu p, .contenu li { color: var(--gris); }
.contenu ul { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; }
.contenu h2 { margin-top: 8px; }
.contenu .visuels { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.contenu .visuels img { aspect-ratio: 5/4; object-fit: cover; border-radius: var(--rayon); width: 100%; }
.encadre { background: var(--calque-fond); border-radius: var(--rayon); padding: 20px 22px; display: grid; gap: 12px; }
.encadre p { color: var(--encre); }
@media (max-width: 860px) { .page-service { grid-template-columns: 1fr; } .sommaire { position: static; } }

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 860px; }
.faq details { background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); }
.faq summary { cursor: pointer; padding: 16px 20px; font: 600 1.12rem var(--f-titre); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--calque-texte); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 20px 18px; color: var(--gris); }

/* contact */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.coordonnees { display: grid; gap: 18px; }
.coordonnees div { display: grid; gap: 2px; }
.coordonnees b { font: 600 .78rem var(--f-titre); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); }
.formulaire { background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 24px; display: grid; gap: 14px; }
.formulaire .ligne { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
input, select, textarea { font: inherit; font-weight: 400; color: var(--encre); background: var(--papier); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 10px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--calque-texte); outline: 2px solid var(--calque-fond); }
.message-etat { font-size: .95rem; }
@media (max-width: 860px) { .contact, .formulaire .ligne { grid-template-columns: 1fr; } }

/* pied de page */
.pied { background: var(--nuit); color: #c9c9c9; padding: 48px 0 24px; font-size: .95rem; }
.pied .conteneur { display: grid; gap: 32px; }
.pied .colonnes { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.pied h4 { color: #ffffff; font-size: 1rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.pied a { color: inherit; text-decoration: none; }
.pied a:hover { text-decoration: underline; }
.pied ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pied img { height: 54px; width: auto; }
.pied .bas { border-top: 1px solid #3a3a3a; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
@media (max-width: 860px) { .pied .colonnes { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .pied .colonnes { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- animations */
@keyframes monte { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes zoom-lent { from { transform: scale(1); } to { transform: scale(1.12); } }
@keyframes trace { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes avance { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.ouverture-texte > * { animation: monte .7s cubic-bezier(.2,.7,.2,1) both; }
.ouverture-texte > *:nth-child(2) { animation-delay: .08s; }
.ouverture-texte > *:nth-child(3) { animation-delay: .16s; }
.ouverture-texte > *:nth-child(4) { animation-delay: .24s; }
.entete-page .conteneur > * { animation: monte .6s cubic-bezier(.2,.7,.2,1) both; }
.entete-page .conteneur > *:nth-child(2) { animation-delay: .07s; }
.entete-page .conteneur > *:nth-child(3) { animation-delay: .14s; }

/* en-tête qui se resserre au défilement */
.entete { transition: box-shadow .25s, background .25s; }
.entete .conteneur { transition: min-height .25s; }
.entete.reduit { box-shadow: 0 6px 24px rgb(0 0 0 / .08); }
.entete.reduit .conteneur { min-height: 60px; }
.logo img { transition: height .25s; }
.entete.reduit .logo img { height: 42px; }

/* diaporama de l'accueil */
.diapo { position: relative; overflow: hidden; aspect-ratio: 5/4; background: var(--trait); }
.diapo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.1s ease; }
.diapo img.actif { opacity: 1; animation: zoom-lent 7s linear both; }
.diapo-barre { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgb(0 0 0 / .25); }
.diapo-barre i { position: absolute; inset: 0; background: var(--calque); transform-origin: left; transform: scaleX(0); }
.diapo-barre i.court { animation: avance 6s linear both; }
.diapo-points { position: absolute; right: 12px; top: 12px; display: flex; gap: 6px; }
.diapo-points button { width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; background: rgb(0 0 0 / .2); padding: 0; cursor: pointer; }
.diapo-points button[aria-current="true"] { background: var(--calque); border-color: var(--calque); }
.cartouche span { display: block; transition: opacity .35s; }
.cartouche.change span { opacity: 0; }

/* apparition au défilement : visible par défaut, masqué seulement s'il est hors écran au chargement */
.rv-cache { opacity: 0; transform: translateY(26px); }
.rv-vu { opacity: 1; transform: none; transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); transition-delay: var(--rv-delai, 0s); }

/* survols */
.service img, .apercu-projets img, .projet .galerie img { transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.service { overflow: hidden; }
.service:hover img { transform: scale(1.06); }
.service::after { content: ""; display: block; height: 3px; background: var(--calque); transform: scaleX(0); transform-origin: left; transition: transform .35s; grid-row: 3; }
.service:hover::after { transform: scaleX(1); }
.apercu-projets a > img { overflow: hidden; }
.apercu-projets a:hover img { transform: scale(1.04); }
.projet .galerie { overflow: hidden; }
.projet .galerie img { cursor: zoom-in; }
.projet .galerie img:hover { transform: scale(1.04); }
.etapes li { transition: transform .25s; }
.etapes li:hover { transform: translateY(-4px); }

/* barres de l'extrait de chiffrage */
.extrait div { position: relative; }
.extrait div b { position: absolute; left: 0; bottom: -1px; height: 2px; background: var(--calque); width: 0; transition: width 1.2s cubic-bezier(.2,.7,.2,1) .2s; }
.extrait.vu div b { width: var(--v); }

/* visionneuse photo */
.visionneuse { position: fixed; inset: 0; z-index: 100; background: rgb(10 10 10 / .92); display: grid; place-items: center; padding: 24px; }
.visionneuse[hidden] { display: none; }
.visionneuse img { max-height: 84vh; max-width: min(1100px, 100%); width: auto; border-radius: 4px; animation: monte .35s both; }
.visionneuse button { position: absolute; background: rgb(255 255 255 / .1); color: #fff; border: 1px solid rgb(255 255 255 / .3); border-radius: 50%; width: 46px; height: 46px; font-size: 1.4rem; cursor: pointer; }
.visionneuse .fermer { top: 18px; right: 18px; }
.visionneuse .prec { left: 18px; top: 50%; }
.visionneuse .suiv { right: 18px; top: 50%; }
.visionneuse p { position: absolute; bottom: 16px; left: 0; right: 0; text-align: center; color: #ddd; font-size: .95rem; }

/* bouton retour en haut */
.haut { position: fixed; right: 18px; bottom: 18px; z-index: 40; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--calque); color: var(--sur-jaune); font-size: 1.3rem; cursor: pointer; box-shadow: 0 6px 18px rgb(0 0 0 / .18); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .25s, transform .25s; }
.haut.visible { opacity: 1; transform: none; pointer-events: auto; }

@media (prefers-reduced-motion: reduce) {
  .ouverture-texte > *, .entete-page .conteneur > *, .diapo img.actif, .diapo-barre i.court, .visionneuse img { animation: none !important; }
  .rv-cache { opacity: 1; transform: none; }
}
.chiffres strong span { font: inherit; color: inherit; }

/* ---------------------------------------------------------------- éléments repris de l'ancien site */
.masque { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.bandeau-droite { display: inline-flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; }
.reseaux { display: inline-flex; gap: 6px; align-items: center; }
.reseaux a { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: inherit; transition: background .2s, color .2s; }
.reseaux a:hover { background: var(--calque); color: var(--sur-jaune); }
.bandeau .reseaux { margin-left: 8px; }
.nav a.secondaire-nav { background: transparent; color: var(--encre); border: 2px solid var(--calque); margin-left: 6px; padding: 6px 12px; }
@media (max-width: 1440px) { .nav a.secondaire-nav { display: none; } }
.nav a { white-space: nowrap; }
@media (max-width: 1240px) and (min-width: 961px) { .nav a { padding: 8px 8px; font-size: .95rem; } .langues a { padding: 4px 5px; } }
@media (max-width: 960px) { .nav a.secondaire-nav { display: block; text-align: center; } }
.btn.sombre { background: var(--nuit); border-color: var(--nuit); color: #fff; }
.btn.secondaire.clair { color: #fff; border-color: #fff; }
.btn.secondaire.clair:hover { background: var(--calque); border-color: var(--calque); color: var(--sur-jaune); }
.service .lire { font: 600 .92rem var(--f-titre); color: var(--calque-texte); letter-spacing: .03em; margin-top: 4px; }

/* carrousel plein écran de l'accueil (comme l'ancien site), textes animés */
.carrousel { position: relative; height: clamp(440px, 72vh, 640px); overflow: hidden; background: var(--nuit); padding: 0; }
.slide { position: absolute; inset: 0; display: grid; align-items: center; opacity: 0; visibility: hidden; transition: opacity 1s ease, visibility 0s 1s; }
.slide-fond { position: absolute; inset: 0; background-position: center; background-size: cover; background-repeat: no-repeat; transform: scale(1.02); }
.slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(15 15 15 / .78), rgb(15 15 15 / .35) 70%, rgb(15 15 15 / .2)); }
.slide.actif { opacity: 1; visibility: visible; transition: opacity 1s ease; }
.slide.actif .slide-fond { animation: zoom-lent 8s linear both; }
.slide-texte { position: relative; z-index: 1; color: #fff; display: grid; gap: 14px; justify-items: start; }
.slide .sur { background: var(--calque); color: var(--sur-jaune); font: 700 1rem var(--f-titre); letter-spacing: .1em; text-transform: uppercase; padding: 6px 14px; }
.slide-titre { font-size: clamp(2.4rem, 6vw, 4.6rem); text-transform: uppercase; letter-spacing: .01em; max-width: 16ch; }
.slide-sous { font: 600 clamp(1.3rem, 2.6vw, 2.1rem)/1.2 var(--f-titre); color: var(--calque); text-transform: uppercase; }
.slide-texte > p:not(.slide-sous) { font-size: 1.15rem; color: #e6e6e6; max-width: 56ch; }
@keyframes de-gauche { from { opacity: 0; transform: translateX(-60px); } to { opacity: 1; transform: none; } }
@keyframes de-droite { from { opacity: 0; transform: translateX(60px); } to { opacity: 1; transform: none; } }
@keyframes de-haut { from { opacity: 0; transform: translateY(-40px); } to { opacity: 1; transform: none; } }
.slide.actif .sur { animation: de-haut .8s .15s both; }
.slide.actif .slide-titre { animation: de-gauche .9s .25s cubic-bezier(.2,.7,.2,1) both; }
.slide.actif .slide-sous { animation: de-droite .9s .45s cubic-bezier(.2,.7,.2,1) both; }
.slide.actif .slide-texte > p:not(.slide-sous) { animation: de-droite .9s .6s both; }
.slide.actif .actions { animation: de-gauche .9s .75s both; }
.carrousel-nav { position: absolute; left: 0; right: 0; bottom: 26px; z-index: 2; display: flex; justify-content: space-between; align-items: center; }
.carrousel .points { display: flex; gap: 8px; }
.carrousel .points button { width: 34px; height: 5px; border: 0; padding: 0; background: rgb(255 255 255 / .4); cursor: pointer; }
.carrousel .points button[aria-current="true"] { background: var(--calque); }
.fleches { display: flex; gap: 8px; }
.fleches button { width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgb(255 255 255 / .5); background: rgb(0 0 0 / .25); color: #fff; font-size: 1.5rem; cursor: pointer; transition: background .2s; }
.fleches button:hover { background: var(--calque); color: var(--sur-jaune); border-color: var(--calque); }
.carrousel-barre { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; z-index: 2; }
.carrousel-barre i { position: absolute; inset: 0; background: var(--calque); transform-origin: left; transform: scaleX(0); }
.carrousel-barre i.court { animation: avance 7s linear both; }

.bande-action { background: var(--calque); color: var(--sur-jaune); padding: 26px 0; }
.bande-action .conteneur { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.bande-action h2 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); text-transform: uppercase; }

.engagements { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.engagements li { background: var(--carte); border: 1px solid var(--trait); border-left: 4px solid var(--calque); padding: 12px 14px; font: 600 1.02rem var(--f-titre); text-transform: uppercase; letter-spacing: .02em; }
@media (max-width: 480px) { .engagements { grid-template-columns: 1fr; } }
.valeurs.une-col { grid-template-columns: 1fr; gap: 14px; }

.galerie-accueil { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.vignette { margin: 0; position: relative; overflow: hidden; border-radius: var(--rayon); }
.vignette[hidden] { display: none; }
.vignette img { width: 100%; aspect-ratio: 5/4; object-fit: cover; cursor: zoom-in; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.vignette figcaption { position: absolute; inset: auto 0 0 0; display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 12px; background: linear-gradient(transparent, rgb(0 0 0 / .75)); color: #fff; font-size: .9rem; transform: translateY(100%); transition: transform .3s; }
.vignette figcaption a { color: var(--calque); font-weight: 700; }
.vignette:hover img { transform: scale(1.07); }
.vignette:hover figcaption, .vignette:focus-within figcaption { transform: none; }
@media (max-width: 860px) { .galerie-accueil { grid-template-columns: 1fr 1fr; } .vignette figcaption { transform: none; } }

.temoins { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.temoin { margin: 0; background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 26px 28px; display: grid; gap: 16px; position: relative; }
.temoin::before { content: "“"; position: absolute; top: -6px; right: 20px; font: 700 6rem/1 Georgia, serif; color: var(--calque); }
.temoin blockquote { margin: 0; font-size: 1.1rem; color: var(--encre); }
.temoin figcaption { display: grid; }
.temoin figcaption span { color: var(--gris); font-size: .92rem; }
@media (max-width: 760px) { .temoins { grid-template-columns: 1fr; } }

.clients { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.clients li { background: #fff; border: 1px solid var(--trait); border-radius: var(--rayon); display: grid; place-items: center; padding: 14px; height: 120px; }
.clients img { max-height: 88px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .8; transition: filter .3s, opacity .3s, transform .3s; }
.clients li:hover img { filter: none; opacity: 1; transform: scale(1.05); }
@media (max-width: 860px) { .clients { grid-template-columns: repeat(3, 1fr); } }

.appel { background: var(--nuit); color: #fff; padding: 36px 0; border-bottom: 1px solid #333; }
.appel .conteneur { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; }
.appel h2 { color: #fff; text-transform: uppercase; font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.appel p { color: #c9c9c9; }
.appel .btn.secondaire { color: #fff; }

.lettre { display: grid; grid-template-columns: 1fr 1.3fr; gap: 12px 28px; align-items: center; background: #2a2a2a; border-radius: var(--rayon); padding: 22px 24px; }
.lettre h4 { margin: 0; }
.lettre p { color: #bdbdbd; }
.lettre-champ { display: flex; gap: 8px; }
.lettre-champ input[type=email] { background: #1a1a1a; border-color: #444; color: #fff; }
.lettre .message-etat { grid-column: 2; color: #e0e0e0; }
@media (max-width: 760px) { .lettre { grid-template-columns: 1fr; } .lettre .message-etat { grid-column: 1; } }
.pied .reseaux a { background: #2f2f2f; }
.pied .reseaux a:hover { background: var(--calque); }
.liens-bas { display: flex; flex-wrap: wrap; gap: 6px 16px; }

.cartes-contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.cartes-contact div { background: var(--carte); border: 1px solid var(--trait); border-top: 4px solid var(--calque); border-radius: var(--rayon); padding: 20px 22px; display: grid; gap: 6px; }
.cartes-contact b { font: 600 .82rem var(--f-titre); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); }
@media (max-width: 760px) { .cartes-contact { grid-template-columns: 1fr; } }
.carte-google { border: 1px solid var(--trait); border-radius: var(--rayon); overflow: hidden; background: var(--carte); }
.carte-google iframe { display: block; }
.contenu .faq { max-width: none; }
.contenu .visuels { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.contenu .visuels img { cursor: zoom-in; }

@media (prefers-reduced-motion: reduce) {
  .slide.actif .slide-fond, .slide.actif .sur, .slide.actif .slide-titre, .slide.actif .slide-sous, .slide.actif .slide-texte > p, .slide.actif .actions, .carrousel-barre i.court { animation: none !important; }
}

/* image « villa finie / coupe technique » : un scan continu révèle le plan technique */
.coupe { margin: 0; position: relative; border-radius: var(--rayon); overflow: hidden; border: 1px solid var(--trait); background: var(--carte); }
.coupe-vue { position: relative; overflow: hidden; }
.coupe-vue img { width: 100%; height: auto; display: block; }
.coupe-vue > img:first-child { cursor: zoom-in; }
.coupe-vue .scan { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; clip-path: inset(0 100% 0 0); animation: scan-bande 7s linear infinite; }
.scan-ligne { position: absolute; top: 0; bottom: 0; left: 0; width: 3px; margin-left: -1.5px; background: var(--calque); box-shadow: 0 0 14px 3px color-mix(in srgb, var(--calque) 70%, transparent), 0 0 40px 8px color-mix(in srgb, var(--calque) 30%, transparent); pointer-events: none; animation: scan-ligne 7s linear infinite; }
.scan-ligne::before, .scan-ligne::after { content: ""; position: absolute; left: -7px; width: 17px; height: 17px; border: 3px solid var(--calque); border-radius: 50%; background: var(--nuit); }
.scan-ligne::before { top: 10px; } .scan-ligne::after { bottom: 10px; }
@keyframes scan-bande { 0% { clip-path: inset(0 0 0 100%); } 60% { clip-path: inset(0 0 0 50.6%); } 98% { clip-path: inset(0 0 0 50.6%); } 98.5% { clip-path: inset(0 0 0 100%); } 100% { clip-path: inset(0 0 0 100%); } }
/* fin de cycle : la villa finie revient en fondu par-dessus ; la coupe est retirée en dessous, sans jamais redevenir visible */
.coupe-vue::after { content: ""; position: absolute; inset: 0; background: url("../../images/villa-finie.jpg") center / 100% 100% no-repeat; opacity: 0; pointer-events: none; animation: scan-voile 7s linear infinite; }
@keyframes scan-voile { 0%, 85% { opacity: 0; } 97%, 99.9% { opacity: 1; } 100% { opacity: 0; } }
@keyframes scan-ligne { 0% { left: 100%; opacity: 0; visibility: visible; } 4% { opacity: 1; } 56% { opacity: 1; } 60% { left: 50.6%; opacity: 0; visibility: visible; } 60.5% { left: 50.6%; opacity: 0; visibility: hidden; } 61%, 100% { left: 115%; opacity: 0; visibility: hidden; } }
.coupe figcaption { display: grid; grid-template-columns: 1fr 1fr; background: var(--nuit); color: #fff; }
.coupe figcaption span { padding: 12px 18px; display: grid; font-size: .92rem; color: #c9c9c9; }
.coupe figcaption span + span { border-left: 4px solid var(--calque); }
.coupe figcaption b { color: #fff; font: 600 1.05rem var(--f-titre); text-transform: uppercase; letter-spacing: .06em; }
@media (prefers-reduced-motion: reduce) { .coupe-vue .scan, .scan-ligne, .coupe-vue::after { animation: none; } .scan-ligne { display: none; } }
.coupe-zone .engagements.quatre { grid-template-columns: repeat(4, 1fr); margin-top: 16px; }
@media (max-width: 760px) { .coupe-zone .engagements.quatre { grid-template-columns: 1fr 1fr; } }

/* page d'administration des projets */
.a-zone { display: grid; gap: 18px; max-width: 980px; }
.a-etat { margin: 0; min-height: 1.4em; font-weight: 600; }
.a-etat.ok { color: var(--ok); } .a-etat.err { color: var(--alerte); }
.a-connexion { max-width: 560px; }
.a-aide summary { cursor: pointer; font-weight: 600; color: var(--calque-texte); }
.a-aide ol { padding-left: 1.2em; display: grid; gap: 6px; color: var(--gris); font-size: .95rem; }
.a-tete { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.a-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.a-projet { display: grid; grid-template-columns: 96px 1fr auto; gap: 14px; align-items: center; background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 10px; }
.a-projet.masque { opacity: .6; }
.a-projet img, .a-sans { width: 96px; height: 72px; object-fit: cover; border-radius: 4px; background: var(--papier); display: grid; place-items: center; font-size: .75rem; color: var(--gris); }
.a-projet div:nth-child(2) { display: grid; gap: 2px; min-width: 0; }
.a-projet div:nth-child(2) span { color: var(--gris); font-size: .9rem; }
.a-btns { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.btn.danger { border-color: var(--alerte); color: var(--alerte); }
.btn.danger:hover { background: var(--alerte); color: #fff; }
.a-vide { color: var(--gris); }
.a-apercu { display: flex; flex-wrap: wrap; gap: 10px; }
.a-apercu figure { margin: 0; position: relative; }
.a-apercu img { width: 140px; height: 105px; object-fit: cover; border-radius: 4px; border: 1px solid var(--trait); }
.a-apercu .ic { position: absolute; top: 4px; right: 4px; }
.a-apercu span { position: absolute; left: 4px; bottom: 6px; background: var(--calque); color: var(--sur-jaune); font-size: .72rem; font-weight: 700; padding: 1px 6px; border-radius: 3px; }
@media (max-width: 700px) { .a-projet { grid-template-columns: 72px 1fr; } .a-btns { grid-column: 1 / -1; justify-content: flex-start; } }
/* bandeau du haut plus compact sur téléphone */
@media (max-width: 700px) {
  .bandeau .conteneur > span:first-child { display: none; }
  .bandeau .conteneur { justify-content: center; }
  .bandeau .b-opt { display: none; }
  .bandeau .reseaux { display: none; }
  .bandeau-droite { white-space: nowrap; }
  .bandeau { font-size: .82rem; }
}

/* ---------------------------------------------------------------- langues, consentement, pages légales et articles */
.langues { display: flex; gap: 2px; margin-left: auto; order: 2; }
.langues a { font: 700 .82rem var(--f-titre); text-decoration: none; color: var(--gris); padding: 5px 7px; border-radius: 4px; border: 1px solid transparent; }
.langues a[aria-current="true"] { color: var(--encre); border-color: var(--calque); }
.langues a:hover { color: var(--encre); background: var(--calque-fond); }
.entete .nav { order: 3; margin-left: 12px; }
.entete .menu-btn { order: 3; }
@media (max-width: 960px) { .langues { margin-left: auto; } .entete .menu-btn { margin-left: 8px; } }
.consentement { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; font-size: .86rem; line-height: 1.4; }
.consentement input { width: 18px; height: 18px; flex: none; margin-top: 2px; }
.pied .consentement { grid-column: 1 / -1; color: #bdbdbd; }
.pied .consentement a { color: var(--calque); }
.note-outil { color: #bdbdbd; align-self: center; }
.legal { max-width: 860px; }
.legal-bloc { display: grid; gap: 12px; padding: 0; }
.legal-bloc + .legal-bloc { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--trait); }
.legal h3 { font-size: 1.1rem; margin-top: 6px; }
.legal .maj { color: var(--gris); font-size: .9rem; margin-top: 18px; }
mark.a-completer { background: #fff1b8; color: #6b4f00; padding: 0 4px; border-radius: 3px; }
.article { max-width: 780px; }
.article .meta { color: var(--gris); font-size: .92rem; }
.article h2 { margin-top: 18px; }
.article table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 6px 0; }
.article th, .article td { border-bottom: 1px solid var(--trait); padding: 8px 10px; text-align: left; vertical-align: top; }
.article th { font: 600 .8rem var(--f-titre); letter-spacing: .06em; text-transform: uppercase; color: var(--gris); }
.article .tableau { overflow-x: auto; }
.article .sources { font-size: .86rem; color: var(--gris); }
.article .sources a { word-break: break-word; }
.article blockquote { margin: 0; padding: 12px 16px; border-left: 4px solid var(--calque); background: var(--calque-fond); color: var(--encre); }

/* ---------------------------------------------------------------- arabe (de droite à gauche) */
[dir="rtl"] { --f-titre: "Noto Kufi Arabic", Tahoma, sans-serif; --f-texte: "Noto Sans Arabic", Tahoma, Arial, sans-serif; }
[dir="rtl"] body { line-height: 1.75; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 { line-height: 1.4; letter-spacing: 0; }
[dir="rtl"] .repere, [dir="rtl"] .slide .sur, [dir="rtl"] .slide-titre, [dir="rtl"] .slide-sous, [dir="rtl"] .bande-action h2, [dir="rtl"] .appel h2,
[dir="rtl"] .engagements li, [dir="rtl"] .service .code, [dir="rtl"] .etiquette, [dir="rtl"] .cartouche b, [dir="rtl"] .pied h4, [dir="rtl"] .coupe figcaption b { letter-spacing: 0; text-transform: none; }
[dir="rtl"] .langues { margin-left: 0; margin-right: auto; }
[dir="rtl"] .entete .nav { margin-left: 0; margin-right: 12px; }
[dir="rtl"] .nav a.btn-nav { margin-left: 0; margin-right: 8px; }
[dir="rtl"] .nav a.secondaire-nav { margin-left: 0; margin-right: 6px; }
[dir="rtl"] .valeur { border-left: 0; border-right: 4px solid var(--calque); padding: 4px 18px 4px 0; }
[dir="rtl"] .engagements li { border-left: 1px solid var(--trait); border-right: 4px solid var(--calque); }
[dir="rtl"] .sommaire { border-left: 0; border-right: 2px solid var(--trait); }
[dir="rtl"] .sommaire a { margin-left: 0; margin-right: -2px; border-left: 0; border-right: 2px solid transparent; }
[dir="rtl"] .sommaire a[aria-current="page"] { border-right-color: var(--calque); }
[dir="rtl"] .contenu ul { padding-left: 0; padding-right: 1.2em; }
[dir="rtl"] .chiffres div, [dir="rtl"] .cartouche div { border-left: 0; border-right: 1px solid var(--trait); }
[dir="rtl"] .chiffres div:first-child, [dir="rtl"] .cartouche div:first-child { border-right: 0; }
[dir="rtl"] .slide::after { background: linear-gradient(270deg, rgb(15 15 15 / .78), rgb(15 15 15 / .35) 70%, rgb(15 15 15 / .2)); }
[dir="rtl"] .slide-titre { max-width: 20ch; }
[dir="rtl"] .temoin::before { right: auto; left: 20px; }
[dir="rtl"] .coupe figcaption span + span { border-left: 0; border-right: 4px solid var(--calque); }
[dir="rtl"] .etapes li { padding: 20px 0 0 22px; }
[dir="rtl"] .faq summary::after { margin-right: auto; }
[dir="rtl"] .haut { right: auto; left: 18px; }
[dir="rtl"] .bandeau .reseaux { margin-left: 0; margin-right: 8px; }
[dir="rtl"] .extrait div b { left: auto; right: 0; }
[dir="rtl"] .repere::before { order: 0; }
[dir="rtl"] .fleches { flex-direction: row-reverse; }
[dir="rtl"] .article th, [dir="rtl"] .article td { text-align: right; }
[dir="rtl"] .article blockquote { border-left: 0; border-right: 4px solid var(--calque); }
/* administration des prix */
.a-onglets { margin-bottom: 8px; }
.p-filtres { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end; margin: 6px 0 12px; }
.p-filtres label { flex: 1 1 160px; font-size: .9rem; }
.p-filtres label.large { flex: 3 1 320px; }
.p-table { min-width: 760px; }
.p-table input { width: 100%; padding: 6px 8px; font-size: .92rem; }
.p-table td:nth-child(3) input { width: 64px; }
.p-table td.n input { width: 110px; text-align: right; }
.p-ajout { background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 14px 16px; margin-top: 14px; display: grid; gap: 6px; }
.p-avance { margin-top: 14px; }
.p-avance .ch-table-zone { margin-top: 10px; }
.a-modifs ul { margin: 6px 0 0; padding-left: 1.2em; color: var(--gris); font-size: .9rem; }

/* bouton WhatsApp */
.whatsapp { position: fixed; left: 18px; bottom: 18px; z-index: 40; display: flex; align-items: center; gap: 8px; height: 52px; padding: 0 18px 0 14px; border-radius: 26px; background: #25D366; color: #fff; font-weight: 700; font-size: .95rem; text-decoration: none; box-shadow: 0 6px 18px rgb(0 0 0 / .22); transition: transform .2s, box-shadow .2s; }
.whatsapp:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgb(0 0 0 / .26); color: #fff; }
.whatsapp svg { width: 26px; height: 26px; fill: currentColor; flex: none; }
@media (max-width: 760px) { .whatsapp { width: 52px; padding: 0; justify-content: center; } .whatsapp span { display: none; } }
[dir="rtl"] .whatsapp { left: auto; right: 18px; }
@media print { .whatsapp { display: none; } }