/* =====================================================================
   LED SUARL — feuille de style du site
   Direction « Réseaux » : la charte (bleu eau, or soleil, vert feuille,
   sarcelle, gris engrenage) devient un code couleur par métier, comme
   les conduits d'un plan technique.
   ===================================================================== */
:root {
  --encre: #10263A;      /* Dark Water — textes, fonds sombres */
  --bleu: #377EB8;       /* Water Blue — hydraulique, liens */
  --or: #F9CF67;         /* Sun Gold — électricité, CTA */
  --or-fonce: #D9A21F;
  --vert: #5E9E2F;       /* Leaf Green assombri — solaire, validation */
  --vert-clair: #87C351;
  --sarcelle: #2F8791;   /* Teal Swirl — climatisation */
  --gris: #6F7F93;       /* Gear Grey assombri — BTP */
  --gris-clair: #A6B2C4;
  --papier: #FFFFFF;
  --brume: #F2F5F8;
  --trait: #DCE3EA;
  --texte: #24384B;
  --doux: #5B6E80;
  --rayon: 18px;
  --rayon-petit: 10px;
  --largeur: 1240px;
  --titre: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --corps: 'Source Sans 3', 'Segoe UI', Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papier); color: var(--texte); font-family: var(--corps); font-size: 18px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--bleu); }
:focus-visible { outline: 3px solid var(--or); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--titre); color: var(--encre); line-height: 1.12; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
h1 { font-weight: 800; font-size: clamp(2.4rem, 5.4vw, 4.4rem); }
h2 { font-weight: 800; font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-weight: 700; font-size: 1.3rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.enveloppe { max-width: var(--largeur); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.saut { position: absolute; left: -999px; top: 10px; z-index: 200; background: var(--or); color: var(--encre); padding: 10px 16px; border-radius: 8px; font-weight: 700; }
.saut:focus { left: 12px; }
.chapo { font-size: 1.2rem; color: var(--doux); max-width: 60ch; }
.section { padding: 104px 0; }
.section--brume { background: var(--brume); }
.section--encre { background: var(--encre); color: #D6E1EB; }
.section--encre h2, .section--encre h3 { color: #fff; }
.tete-section { display: grid; gap: 18px; max-width: 760px; margin-bottom: 56px; }
.marque-metier { display: inline-flex; align-items: center; gap: 10px; font-family: var(--titre); font-weight: 700; font-size: .85rem; color: var(--doux); }
.marque-metier::before { content: ""; width: 28px; height: 4px; border-radius: 4px; background: var(--c, var(--or)); }

/* ---------- Couleurs par métier ---------- */
.c-elec { --c: var(--or-fonce); --c-fond: #FFF6DC; }
.c-solaire { --c: var(--vert); --c-fond: #EEF7E6; }
.c-eau { --c: var(--bleu); --c-fond: #E8F1FA; }
.c-clim { --c: var(--sarcelle); --c-fond: #E4F3F4; }
.c-info { --c: var(--encre); --c-fond: #E6ECF2; }
.c-btp { --c: var(--gris); --c-fond: #EEF1F5; }
.c-four { --c: #8A5A9E; --c-fond: #F3ECF6; }

/* ---------- Boutons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--titre); font-weight: 700; font-size: .95rem; padding: 15px 26px; border-radius: 999px; text-decoration: none; border: 0; cursor: pointer; transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease; }
.btn svg { width: 18px; height: 18px; }
.btn--or { background: var(--or); color: var(--encre); }
.btn--or:hover { background: #FFDB80; transform: translateY(-2px); box-shadow: 0 10px 24px -10px rgba(217,162,31,.7); }
.btn--encre { background: var(--encre); color: #fff; }
.btn--encre:hover { background: #1B3A55; transform: translateY(-2px); }
.btn--contour { background: transparent; color: var(--encre); box-shadow: inset 0 0 0 2px var(--trait); }
.btn--contour:hover { box-shadow: inset 0 0 0 2px var(--encre); }
.section--encre .btn--contour { color: #fff; box-shadow: inset 0 0 0 2px rgba(255,255,255,.3); }
.lien-fleche { font-family: var(--titre); font-weight: 700; font-size: .95rem; color: var(--encre); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.lien-fleche svg { width: 18px; height: 18px; transition: transform .2s ease; }
.lien-fleche:hover svg { transform: translateX(4px); }

/* ---------- En-tête ---------- */
.entete { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
.entete.defile { border-color: var(--trait); box-shadow: 0 6px 24px -18px rgba(16,38,58,.4); }
.entete .enveloppe { display: flex; align-items: center; gap: 28px; height: 84px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.logo img { width: 50px; height: auto; }
.logo strong { display: block; font-family: var(--titre); font-weight: 800; font-size: 1.2rem; color: var(--encre); line-height: 1; }
.logo span { display: block; font-size: .8rem; color: var(--vert); font-weight: 600; margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav > a, .nav .deroulant > button { font-family: var(--titre); font-weight: 600; font-size: .92rem; color: var(--encre); text-decoration: none; padding: 10px 14px; border-radius: 999px; background: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.nav > a:hover, .nav .deroulant > button:hover, .nav a[aria-current="page"] { background: var(--brume); }
.deroulant { position: relative; }
.deroulant svg { width: 14px; height: 14px; transition: transform .2s; }
.deroulant[data-ouvert] svg { transform: rotate(180deg); }
.sous-menu { position: absolute; top: calc(100% + 10px); left: -20px; width: 340px; background: #fff; border: 1px solid var(--trait); border-radius: var(--rayon); padding: 10px; box-shadow: 0 24px 48px -24px rgba(16,38,58,.35); display: none; }
.deroulant[data-ouvert] .sous-menu { display: grid; }
.sous-menu a { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--rayon-petit); text-decoration: none; color: var(--encre); font-weight: 600; font-size: .98rem; }
.sous-menu a::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c); flex: none; }
.sous-menu a:hover { background: var(--brume); }
.sous-menu .tout { border-top: 1px solid var(--trait); margin-top: 6px; padding-top: 14px; color: var(--bleu); }
.sous-menu .tout::before { display: none; }
.langue { font-family: var(--titre); font-size: .82rem; font-weight: 700; display: flex; border: 1px solid var(--trait); border-radius: 999px; overflow: hidden; }
.langue span, .langue a { padding: 6px 11px; text-decoration: none; color: var(--doux); }
.langue span { background: var(--encre); color: #fff; }
.entete .btn { padding: 12px 20px; }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--encre); }
.burger svg { width: 28px; height: 28px; }

/* ---------- Héros d'accueil ---------- */
.hero { padding: 56px 0 0; overflow: hidden; }
.hero-grille { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--bleu); }
.hero .chapo { margin: 26px 0 34px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-visuel { position: relative; }
.hero-visuel img { width: 100%; aspect-ratio: 4 / 4.4; object-fit: cover; border-radius: 28px; }
.badge-flottant { position: absolute; left: -36px; bottom: 40px; background: #fff; border-radius: var(--rayon); padding: 18px 22px; box-shadow: 0 30px 60px -30px rgba(16,38,58,.5); display: flex; gap: 14px; align-items: center; max-width: 300px; }
.badge-flottant b { font-family: var(--titre); font-size: 2.2rem; color: var(--encre); line-height: 1; }
.badge-flottant span { font-size: .95rem; color: var(--doux); line-height: 1.35; }

/* Conduits animés : les cinq réseaux du bâtiment */
.conduits { margin-top: 64px; padding: 26px 0 30px; border-top: 1px solid var(--trait); }
.conduits ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.conduits a { display: block; text-decoration: none; color: var(--encre); font-family: var(--titre); font-weight: 700; font-size: .95rem; }
.conduits .tuyau { display: block; height: 6px; border-radius: 6px; background: var(--c-fond); overflow: hidden; margin-bottom: 14px; position: relative; }
.conduits .tuyau::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, var(--c) 0 26px, transparent 26px 40px); animation: flux 2.4s linear infinite; }
.conduits a:hover .tuyau::after { animation-duration: .9s; }
.conduits small { display: block; font-family: var(--corps); font-weight: 400; color: var(--doux); font-size: .9rem; margin-top: 2px; }
@keyframes flux { from { transform: translateX(-40px); } to { transform: translateX(0); } }

/* ---------- Chiffres ---------- */
.chiffres { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.chiffre { padding: 26px 0 0; border-top: 3px solid var(--c, var(--or)); }
.chiffre b { display: block; font-family: var(--titre); font-weight: 800; font-size: clamp(2.4rem, 4vw, 3.4rem); color: var(--encre); line-height: 1; font-variant-numeric: tabular-nums; }
.chiffre > span { display: block; margin-top: 10px; color: var(--doux); font-size: 1rem; }

/* ---------- Cartes métier ---------- */
.grille-metiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.carte-metier { position: relative; display: flex; flex-direction: column; border-radius: var(--rayon); overflow: hidden; background: #fff; border: 1px solid var(--trait); text-decoration: none; color: inherit; transition: transform .3s ease, box-shadow .3s ease; }
.carte-metier:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -30px rgba(16,38,58,.45); }
.carte-metier .photo { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.carte-metier .photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.carte-metier:hover .photo img { transform: scale(1.05); }
.carte-metier .photo::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--c); }
.carte-metier .corps { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.carte-metier p { color: var(--doux); font-size: 1rem; margin: 0; }
.carte-metier .lien-fleche { margin-top: auto; padding-top: 10px; color: var(--c); }
.carte-metier--large { grid-column: span 2; }
.carte-metier--large .photo { aspect-ratio: 16 / 7.6; }

/* ---------- Méthode ---------- */
.methode { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: etape; position: relative; }
.methode::before { content: ""; position: absolute; top: 23px; left: 24px; right: 24px; height: 2px; background: linear-gradient(90deg, var(--or), var(--vert-clair), var(--bleu), var(--sarcelle)); transform-origin: left; transform: scaleX(var(--p, 1)); }
.methode li { position: relative; counter-increment: etape; }
.methode li::before { content: counter(etape); display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: #fff; border: 2px solid var(--encre); font-family: var(--titre); font-weight: 800; color: var(--encre); position: relative; z-index: 1; margin-bottom: 22px; }
.section--encre .methode li::before { background: var(--encre); border-color: var(--or); color: var(--or); }
.methode p { font-size: 1rem; color: var(--doux); margin: 10px 0 0; }
.section--encre .methode p { color: #AFC2D3; }

/* ---------- Réalisations ---------- */
.projet { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; border-radius: 24px; overflow: hidden; background: #fff; border: 1px solid var(--trait); }
.projet + .projet { margin-top: 28px; }
.projet .photo { position: relative; min-height: 340px; }
.projet .photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.projet .legende-photo { position: absolute; left: 14px; bottom: 14px; background: rgba(16,38,58,.8); color: #fff; font-size: .78rem; padding: 4px 10px; border-radius: 999px; }
.projet .corps { padding: 40px 40px 36px; display: flex; flex-direction: column; gap: 14px; }
.projet .client { font-family: var(--titre); font-weight: 700; font-size: .85rem; color: var(--bleu); }
.projet h3 { font-size: 1.6rem; }
.projet p { color: var(--doux); margin: 0; }
.fiche { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--trait); }
.fiche dt { font-size: .82rem; color: var(--doux); }
.fiche dd { margin: 2px 0 0; font-family: var(--titre); font-weight: 700; color: var(--encre); font-size: 1rem; }
.projet--inverse .photo { order: 2; }

/* ---------- Bandeau confiance ---------- */
.confiance { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 48px; padding: 30px 0; border-top: 1px solid var(--trait); border-bottom: 1px solid var(--trait); }
.confiance p { margin: 0; color: var(--doux); font-size: .95rem; }
.confiance strong { font-family: var(--titre); font-weight: 800; color: var(--encre); font-size: 1.15rem; letter-spacing: -0.01em; }

/* ---------- Bloc CTA ---------- */
.cta { border-radius: 28px; background: var(--encre); color: #D6E1EB; padding: 64px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; position: relative; overflow: hidden; }
.cta h2 { color: #fff; }
.cta::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; border: 40px solid rgba(249,207,103,.12); }
.cta .actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; position: relative; z-index: 1; }
.cta .btn--contour { color: #fff; box-shadow: inset 0 0 0 2px rgba(255,255,255,.35); }
.cta .btn--contour:hover { box-shadow: inset 0 0 0 2px #fff; }
.cta .tel { color: #fff; font-family: var(--titre); font-weight: 700; text-decoration: none; }

/* ---------- En-tête de page intérieure ---------- */
.page-tete { padding: 48px 0 0; }
.fil { font-size: .9rem; color: var(--doux); margin-bottom: 22px; }
.fil a { color: var(--doux); text-decoration: none; }
.fil a:hover { color: var(--bleu); }
.page-tete .grille { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: end; }
.page-tete .chapo { margin: 22px 0 0; }
.page-banniere { margin-top: 48px; border-radius: 28px; overflow: hidden; position: relative; }
.page-banniere img { width: 100%; aspect-ratio: 21 / 8; object-fit: cover; }
.page-banniere::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 8px; background: var(--c, var(--or)); }

/* ---------- Listes de prestations ---------- */
.prestations { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.prestation { background: #fff; border: 1px solid var(--trait); border-radius: var(--rayon); padding: 28px; border-left: 5px solid var(--c); }
.prestation p { color: var(--doux); font-size: 1rem; margin: 10px 0 0; }
.puces { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.puces li { display: flex; gap: 12px; align-items: flex-start; }
.puces li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c, var(--bleu)); flex: none; margin-top: 10px; }
.deux-colonnes { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.secteurs { display: flex; flex-wrap: wrap; gap: 10px; }
.secteurs span { background: var(--c-fond, var(--brume)); color: var(--encre); font-weight: 600; font-size: .95rem; padding: 8px 16px; border-radius: 999px; }

/* ---------- Valeurs ---------- */
.valeurs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.valeur { border-radius: var(--rayon); padding: 28px; background: #fff; border: 1px solid var(--trait); }
.valeur svg { width: 34px; height: 34px; color: var(--c); margin-bottom: 18px; }
.valeur p { color: var(--doux); font-size: 1rem; margin: 10px 0 0; }

/* ---------- Contact & formulaire ---------- */
.contact-grille { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.coordonnees { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.coordonnees li { display: flex; gap: 16px; }
.coordonnees .ico { flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--brume); display: grid; place-items: center; color: var(--bleu); }
.coordonnees .ico svg { width: 22px; height: 22px; }
.coordonnees b { display: block; font-size: .85rem; color: var(--doux); font-weight: 600; }
.coordonnees a, .coordonnees span { color: var(--encre); font-family: var(--titre); font-weight: 700; text-decoration: none; font-size: 1.05rem; }
.formulaire { background: #fff; border: 1px solid var(--trait); border-radius: 24px; padding: 40px; box-shadow: 0 40px 80px -60px rgba(16,38,58,.5); }
.progression { height: 6px; background: var(--brume); border-radius: 6px; overflow: hidden; margin: 12px 0 30px; }
.progression div { height: 100%; width: 33.3%; background: linear-gradient(90deg, var(--or), var(--bleu)); border-radius: 6px; transition: width .4s ease; }
.etape-info { font-size: .9rem; color: var(--doux); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { font-family: var(--titre); font-weight: 800; font-size: 1.45rem; color: var(--encre); padding: 0; margin-bottom: 6px; }
.aide { font-size: .95rem; color: var(--doux); margin: 0 0 18px; }
.choix-grille { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choix-ligne { display: flex; flex-wrap: wrap; gap: 10px; }
.choix { position: relative; }
.choix input { position: absolute; opacity: 0; pointer-events: none; }
.choix span { display: block; padding: 12px 16px; border: 1.5px solid var(--trait); border-radius: 12px; cursor: pointer; font-weight: 600; font-size: .98rem; transition: border-color .15s, background-color .15s; }
.choix span:hover { border-color: var(--bleu); }
.choix input:checked + span { border-color: var(--encre); background: var(--encre); color: #fff; }
.choix input:focus-visible + span { outline: 3px solid var(--or); outline-offset: 2px; }
.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.champ label { display: block; font-weight: 700; font-size: .92rem; color: var(--encre); margin-bottom: 6px; }
.champ input, .champ select, .champ textarea { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1.5px solid var(--trait); border-radius: 12px; background: #fff; color: var(--texte); }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-color: var(--bleu); box-shadow: 0 0 0 4px rgba(55,126,184,.15); }
.champ [aria-invalid="true"] { border-color: #B3261E; }
.champ--large { grid-column: 1 / -1; }
.sous-titre-champ { font-weight: 700; font-size: .95rem; color: var(--encre); margin: 22px 0 10px; }
.form-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; gap: 12px; }
.erreur { margin: 18px 0 0; padding: 12px 14px; border-radius: 12px; background: #FDECEC; color: #8A1F1F; font-weight: 600; font-size: .95rem; }
.confirmation h3 { font-size: 1.6rem; }
.hp { position: absolute; left: -9999px; }
.mention { font-size: .88rem; color: var(--doux); margin: 20px 0 0; }

/* ---------- Texte courant (mentions) ---------- */
.texte-long { max-width: 760px; }
.texte-long h2 { font-size: 1.5rem; margin: 40px 0 12px; }

/* ---------- Pied de page ---------- */
.pied { background: var(--encre); color: #AFC2D3; padding: 80px 0 40px; font-size: 1rem; }
.pied a { color: #D6E1EB; text-decoration: none; }
.pied a:hover { color: var(--or); }
.pied .grille { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.pied h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.pied ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.pied .logo strong { color: #fff; }
.pied .bas { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .88rem; }
.conduits-pied { display: flex; gap: 6px; margin-top: 22px; }
.conduits-pied i { height: 4px; flex: 1; border-radius: 4px; background: var(--c); }

/* Barre d'action mobile */
.barre-mobile { display: none; }

/* ---------- Révélations au défilement (actives seulement avec JS) ---------- */
.js .revele { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.75,.15,1); }
.js .revele.vu { opacity: 1; transform: none; }
.js .hero .entree { opacity: 0; transform: translateY(24px); animation: entree .9s cubic-bezier(.2,.75,.15,1) forwards; }
.js .hero .entree:nth-child(2) { animation-delay: .12s; }
.js .hero .entree:nth-child(3) { animation-delay: .24s; }
.js .hero .entree:nth-child(4) { animation-delay: .36s; }
@keyframes entree { to { opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav { display: none; position: fixed; inset: 84px 0 auto 0; background: #fff; flex-direction: column; align-items: stretch; padding: 16px 20px 28px; border-bottom: 1px solid var(--trait); max-height: calc(100vh - 84px); overflow: auto; }
  .nav.ouvert { display: flex; }
  .nav > a, .nav .deroulant > button { font-size: 1.1rem; padding: 14px 8px; border-radius: 10px; width: 100%; justify-content: space-between; }
  .sous-menu { position: static; width: auto; box-shadow: none; border: 0; padding: 0 0 8px 8px; }
  .burger { display: block; }
  .entete .btn--or { display: none; }
  .grille-metiers { grid-template-columns: repeat(2, 1fr); }
  .carte-metier--large { grid-column: span 2; }
  .valeurs { grid-template-columns: repeat(2, 1fr); }
  .pied .grille { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  body { font-size: 17px; }
  .section { padding: 72px 0; }
  .hero-grille, .page-tete .grille, .deux-colonnes, .contact-grille, .cta, .projet { grid-template-columns: 1fr; }
  .hero-visuel img { aspect-ratio: 4 / 3.4; }
  .badge-flottant { left: 16px; bottom: 16px; }
  .conduits ul { grid-template-columns: 1fr 1fr; }
  .chiffres { grid-template-columns: 1fr 1fr; }
  .methode { grid-template-columns: 1fr 1fr; }
  .methode::before { display: none; }
  .prestations { grid-template-columns: 1fr; }
  .projet--inverse .photo { order: 0; }
  .projet .photo { min-height: 240px; }
  .projet .corps { padding: 28px 24px; }
  .cta { padding: 40px 28px; }
  .cta .actions { justify-content: flex-start; }
  .page-banniere img { aspect-ratio: 16 / 9; }
  .barre-mobile { display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; background: #fff; border-top: 1px solid var(--trait); padding-bottom: env(safe-area-inset-bottom, 0px); }
  .barre-mobile a { padding: 15px; text-align: center; font-family: var(--titre); font-weight: 700; font-size: .95rem; text-decoration: none; color: var(--encre); }
  .barre-mobile a + a { background: var(--or); }
  .pied { padding-bottom: 110px; }
}
@media (max-width: 600px) {
  .grille-metiers, .carte-metier--large { grid-template-columns: 1fr; grid-column: auto; }
  .carte-metier--large .photo { aspect-ratio: 16 / 10; }
  .valeurs, .choix-grille, .champs, .fiche { grid-template-columns: 1fr; }
  .conduits ul { grid-template-columns: 1fr; }
  .methode { grid-template-columns: 1fr; }
  .formulaire { padding: 26px 18px; }
  .logo span { display: none; }
  .entete .enveloppe { gap: 12px; }
  .pied .grille { grid-template-columns: 1fr; }
  .hero .actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .revele, .js .hero .entree { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* Photos dans les blocs de texte */
.deux-colonnes img, .contact-grille img { width: 100%; aspect-ratio: 4 / 3.3; object-fit: cover; border-radius: 24px; }
.tete-section .lien-fleche { white-space: nowrap; }
@media (max-width: 860px) { .tete-section[style] { grid-template-columns: 1fr !important; } }

/* Les colonnes de grille ne doivent jamais s'élargir à cause de leur contenu */
.hero-grille > *, .deux-colonnes > *, .contact-grille > *, .page-tete .grille > *, .cta > *, .projet > * { min-width: 0; }

[hidden] { display: none !important; }
.pied .c-info { --c: #6F8FAD; }