/* FAIVRE-T3CH — site vitrine v1.4 · charte v2 : Arial, noir / gris / blanc, très peu de rouge EE0000
   Signature graphique : angles vifs du logo → coins à 45°, blocs noirs. Le rouge reste un accent :
   barre des sur-titres, progression des phases, repère « en construction », focus clavier. Pas de gros texte rouge. */
:root {
  --noir: #0b0b0b;
  --encre: #141414;
  --texte: #2b2b2b;
  --gris: #5e5e5e;
  --gris-clair: #bdbdbd;
  --filet: #e2e2e2;
  --fond: #f0f0ef;
  --rouge: #ee0000;
  --rouge-fonce: #c40000;
  --rouge-fond: #d10000;   /* rouge des fonds sous texte blanc (contraste ≥ 4,5) */
  --blanc: #fff;
  --largeur: 1200px;
  --rayon: 4px;
  --ombre: 0 22px 44px -26px rgba(0, 0, 0, .45);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--blanc); color: var(--encre);
  font: 18px/1.6 Arial, "Helvetica Neue", Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gris); }
:focus-visible { outline: 3px solid var(--rouge); outline-offset: 3px; }
h1, h2, h3 { line-height: 1.08; margin: 0 0 .5em; letter-spacing: -.025em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5vw, 3.9rem); }
h2 { font-size: clamp(2rem, 3.8vw, 3.1rem); }
h3 { font-size: 1.35rem; letter-spacing: -.01em; line-height: 1.2; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--largeur), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--noir); color: #fff; padding: 10px 16px; z-index: 100; }
.skip:focus { left: 12px; }
.muted { color: var(--gris); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.lead { font-size: clamp(1.15rem, 1.6vw, 1.32rem); color: var(--texte); max-width: 46rem; line-height: 1.55; }

/* ---------- en-tête ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .95); backdrop-filter: saturate(160%) blur(10px); -webkit-backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
.site-header.scrolled { border-bottom-color: var(--filet); box-shadow: 0 10px 26px -22px rgba(0, 0, 0, .6); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 104px; gap: 24px; }
.brand img { height: 76px; width: auto; }
.nav { display: flex; align-items: center; }
.nav > ul { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav a, .nav .sub-toggle { position: relative; display: inline-flex; align-items: center; gap: 7px; padding: 12px 16px; text-decoration: none; font-weight: 700; font-size: 1.14rem; color: var(--encre); background: none; border: 0; font-family: inherit; cursor: pointer; }
.nav > ul > li > a:not(.btn-contact)::after, .nav .sub-toggle::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 6px; height: 3px; background: var(--noir); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav > ul > li > a:not(.btn-contact):hover::after, .nav .sub-toggle:hover::after, .nav a[aria-current="page"]::after, .nav .has-sub.actif > .sub-toggle::after { transform: scaleX(1); }
.nav a:hover, .nav .sub-toggle:hover { color: var(--encre); }
.nav .btn-contact { background: var(--noir); color: #fff; margin-left: 12px; padding: 15px 26px; border-radius: var(--rayon); }
.nav .btn-contact:hover, .nav .btn-contact[aria-current="page"] { background: #3a3a3a; color: #fff; }
.has-sub { position: relative; }
.sub-toggle svg { width: 14px; height: 14px; transition: transform .25s; }
.sub { position: absolute; top: calc(100% + 10px); left: 0; min-width: 310px; list-style: none; margin: 0; padding: 10px; background: #fff; border-top: 4px solid var(--noir); box-shadow: var(--ombre); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .2s .25s, transform .2s var(--ease) .25s, visibility 0s .45s; }
.sub::before { content: ""; position: absolute; left: 0; right: 0; top: -20px; height: 20px; }   /* pont invisible entre « Prestations » et le sous-menu */
.sub .sub-ensemble { border-bottom: 1px solid var(--filet); margin-bottom: 6px; padding-bottom: 6px; }
.sub a { display: flex; width: 100%; padding: 11px 14px; font-weight: 400; font-size: 1.02rem; }
.sub a b { font-weight: 700; }
.sub a:hover { background: var(--fond); }
.has-sub.ouvert .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
@media (hover: hover) and (min-width: 1041px) { .has-sub:hover .sub { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; } }
.has-sub.ouvert .sub-toggle svg { transform: rotate(180deg); }
.menu-btn { display: none; width: 52px; height: 52px; border: 2px solid var(--noir); background: #fff; cursor: pointer; align-items: center; justify-content: center; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { display: block; width: 22px; height: 2.5px; background: var(--noir); position: relative; transition: transform .3s var(--ease), background .2s; }
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; }
.menu-btn span::before { top: -7px; } .menu-btn span::after { top: 7px; }
.menu-ouvert .menu-btn span { background: transparent; }
.menu-ouvert .menu-btn span::before { transform: translateY(7px) rotate(45deg); }
.menu-ouvert .menu-btn span::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1040px) {
  /* backdrop-filter rendrait le menu « fixed » relatif à l'en-tête : désactivé sur mobile */
  .site-header { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .nav-bar { height: 84px; }
  .brand img { height: 58px; }
  .menu-btn { display: inline-flex; }
  .nav { position: fixed; inset: 84px 0 0 0; background: #fff; display: block; padding: 18px 20px 40px; overflow-y: auto; transform: translateX(100%); transition: transform .35s var(--ease); border-top: 1px solid var(--filet); }
  .menu-ouvert .nav { transform: none; }
  .nav > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav a, .nav .sub-toggle { width: 100%; justify-content: space-between; font-size: 1.3rem; padding: 16px 12px; }
  .nav > ul > li > a:not(.btn-contact)::after, .nav .sub-toggle::after { left: 12px; right: auto; width: 40px; bottom: 8px; }
  .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 12px; display: none; min-width: 0; transition: none; }
  .sub::before { display: none; }
  .sub .sub-ensemble { border: 0; margin: 0; padding: 0; }
  .has-sub.ouvert .sub { display: block; }
  .sub a { font-size: 1.1rem; padding: 11px 12px; }
  .nav .btn-contact { margin: 16px 0 0; justify-content: center; }
  body.menu-ouvert { overflow: hidden; }
}
@media (max-width: 420px) { .brand img { height: 50px; } }

/* ---------- boutons, libellés ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 26px; border-radius: var(--rayon); font-weight: 700; font-size: 1.05rem; text-decoration: none; border: 2px solid var(--noir); transition: background .2s, color .2s, border-color .2s, transform .2s var(--ease); }
.btn svg { width: 19px; height: 19px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-noir { background: var(--noir); color: #fff; }
.btn-noir:hover { background: #3a3a3a; border-color: #3a3a3a; color: #fff; }
.btn-ligne { background: transparent; color: var(--noir); }
.btn-ligne:hover { background: var(--noir); color: #fff; }
.btn-blanc { background: #fff; color: var(--noir); border-color: #fff; }
.btn-blanc:hover { background: #d9d9d9; border-color: #d9d9d9; color: var(--noir); }
.btn-contour-blanc { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .7); }
.btn-contour-blanc:hover { border-color: #fff; background: #fff; color: var(--noir); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.etiquette { display: flex; align-items: center; gap: 14px; font-size: 1rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--encre); margin-bottom: 20px; }
.etiquette::before { content: ""; width: 36px; height: 3px; background: var(--rouge); flex: none; }
.etiquette b { color: #6b6b6b; letter-spacing: .04em; }
.sur-noir .etiquette { color: #fff; }
.sur-noir .etiquette b { color: #9a9a9a; }

/* coin à 45° (rappel des angles du logo), gris sur blanc, gris foncé sur noir */
.coin { position: relative; }
.coin::after { content: ""; position: absolute; top: 0; right: 0; border-style: solid; border-width: 0 26px 26px 0; border-color: transparent var(--gris-clair) transparent transparent; transition: border-width .35s var(--ease), border-color .35s; pointer-events: none; }
.coin:hover::after { border-width: 0 40px 40px 0; }

/* ---------- sections ---------- */
.section { padding: clamp(70px, 9vw, 128px) 0; }
.section-grise { background: var(--fond); }
.sur-noir { background: var(--noir); color: #fff; }
.sur-noir .lead, .sur-noir p { color: #d6d6d6; }
.entete-section { margin-bottom: 48px; }
.entete-section h2 { margin: 0; }
.entete-section p { margin: 16px 0 0; color: var(--texte); font-size: 1.15rem; max-width: 60rem; }
.sur-noir .entete-section p { color: #d6d6d6; }

/* ---------- héros ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(40px, 6vw, 84px) 0 clamp(50px, 7vw, 96px); background-image: linear-gradient(#e9e9e9 1px, transparent 1px), linear-gradient(90deg, #e9e9e9 1px, transparent 1px); background-size: 40px 40px; background-position: -1px -1px; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255, 255, 255, .97) 0%, rgba(255, 255, 255, .9) 34%, rgba(255, 255, 255, .45) 60%, rgba(255, 255, 255, .15) 100%); pointer-events: none; }
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: .88fr 1.12fr; gap: 36px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4vw, 3.3rem); }
.hero h1 em { font-style: normal; color: #7a7a7a; }
.hero .lead { margin-top: 24px; }
.hero .actions .btn { padding: 15px 22px; }
@media (max-width: 1080px) { .hero .wrap { grid-template-columns: 1fr; } .schema-bloc { justify-self: center; max-width: 760px; margin-top: 10px; } }

/* ruban défilant sous le héros */
.ruban { background: var(--noir); color: #fff; overflow: hidden; }
.ruban-piste { display: flex; width: max-content; animation: defile 38s linear infinite; }
.ruban span { display: inline-flex; align-items: center; gap: 28px; padding: 22px 28px 22px 0; font-weight: 700; font-size: 1.15rem; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.ruban span::after { content: ""; width: 10px; height: 10px; background: #6b6b6b; transform: rotate(45deg); }
.ruban:hover .ruban-piste { animation-play-state: paused; }
@keyframes defile { to { transform: translateX(-50%); } }

/* schéma animé (coupe de bâtiment, réseaux CVS) */
.schema-bloc { width: 100%; max-width: 800px; justify-self: end; }
.schema { width: 100%; height: auto; overflow: visible; }
.schema .mur { fill: #c9c9c9; }
.schema .dalle { fill: #d4d4d4; }
.schema .cloison { fill: #e0e0e0; }
.schema .vitre { stroke: #9fb3c8; stroke-width: 1.4; }
.schema .terrain { stroke: #7a7a7a; stroke-width: 2; fill: none; }
.schema .iso { fill: #fce7f3; }
.schema .iso-z { fill: none; stroke: #db2777; stroke-width: 1.3; stroke-linejoin: round; }
.schema .fen { fill: #fff; stroke: #4a4a4a; stroke-width: 1.6; }
.schema .p { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.schema .c-dep { stroke: #e10600; }
.schema .c-ret { stroke: #1d4ed8; }
.schema .c-ef { stroke: #15a34a; }
.schema .c-ecs { stroke: #ea6a0c; }
.schema .c-bcl { stroke: #ea6a0c; stroke-dasharray: 6 5; stroke-width: 2.6; }
.schema .c-eu { stroke: #8a5a2b; stroke-width: 5.5; }
.schema .c-gaz { stroke: #d4a106; }
.schema .c-spk { stroke: #7c3aed; }
.schema .c-souf { stroke: #0ea5e9; stroke-width: 10; stroke-linecap: butt; }
.schema .c-extr { stroke: #7dd3fc; stroke-width: 10; stroke-linecap: butt; }
.schema .barre { stroke-width: 7; stroke-linecap: butt; }
.schema .fl { fill: none; stroke: #fff; stroke-width: 1.5; stroke-linecap: round; stroke-dasharray: 2 11; animation: flux 1.4s linear infinite; opacity: .95; }
.schema .fl.inv { animation-direction: reverse; }
.schema .app path, .schema .app rect { fill: #fff; stroke: #111; stroke-width: 2; }
.schema .app .gout { fill: none; stroke: #ea6a0c; stroke-width: 1.6; stroke-dasharray: 3 5; animation: flux 1s linear infinite; }
.schema .rad { fill: #fff; stroke: #e10600; stroke-width: 2.4; }
.schema .rad-l { stroke: #e10600; stroke-width: 1.6; opacity: .75; }
.schema .sol { animation: chaleur 2.4s ease-in-out infinite; animation-delay: calc(var(--i) * .09s); }
.schema .flamme { fill: #f5a300; transform-box: fill-box; transform-origin: 50% 100%; animation: flamme .7s ease-in-out infinite alternate; }
.schema .flamme.f2 { animation-delay: .25s; }
.schema .tete { animation: tete 3s ease-in-out infinite; animation-delay: calc(var(--i) * .2s); }
.schema .jet { fill: none; stroke: #a78bfa; stroke-width: 1.6; stroke-linecap: round; stroke-dasharray: 2 3; animation: jet .5s linear infinite; }
.schema .trace { stroke-dasharray: var(--l, 1200); stroke-dashoffset: var(--l, 1200); animation: trace 1.4s var(--ease) forwards; animation-delay: var(--dg, 0s); }
.schema .res .fl { opacity: 0; animation: flux 1.4s linear infinite, apparait .5s ease forwards; animation-delay: 0s, calc(var(--dg, 0s) + 1.2s); }
.schema .res .fl.inv { animation-direction: reverse, normal; }
.schema .res .eq, .schema .res .c-bcl { opacity: 0; animation: apparait .6s ease forwards; animation-delay: calc(var(--dg, 0s) + .5s); }
.schema .bat { animation: apparait .8s ease both; }
.schema .res { transition: opacity .35s ease, filter .35s ease; }
.schema.focus .res { opacity: .1; filter: grayscale(1); }
.schema.focus .res.actif { opacity: 1; filter: none; }
@keyframes flux { to { stroke-dashoffset: -26; } }
@keyframes jet { to { stroke-dashoffset: -5; } }
@keyframes trace { to { stroke-dashoffset: 0; } }
@keyframes apparait { to { opacity: 1; } }
@keyframes chaleur { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes flamme { from { transform: scaleY(.8); } to { transform: scaleY(1.15); } }
@keyframes tete { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
.legende { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-width: 560px; margin: 16px auto 0; }
.leg { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 10px 15px; border: 2px solid #d6d6d6; border-radius: var(--rayon); background: #fff; font: 700 .95rem Arial, sans-serif; color: var(--encre); cursor: pointer; transition: border-color .2s, background .2s, color .2s, transform .2s var(--ease); }
.leg i { width: 13px; height: 13px; }
.leg:hover { border-color: var(--noir); transform: translateY(-1px); }
.leg[aria-pressed="true"] { background: var(--noir); border-color: var(--noir); color: #fff; }
@media (max-width: 640px) { .leg { padding: 8px 11px; font-size: .86rem; } }
@media (max-width: 420px) { .legende { grid-template-columns: repeat(2, 1fr); } }

/* ---------- atouts ---------- */
.atouts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.atout { padding: 34px 28px 32px; background: var(--noir); color: #fff; transition: transform .35s var(--ease); }
.atout:hover { transform: translateY(-5px); }
.atout.coin::after { border-right-color: #3d3d3d; }
.atout.coin:hover::after { border-right-color: #fff; }
.atout .ico { width: 56px; height: 56px; background: #fff; color: var(--noir); display: grid; place-items: center; margin-bottom: 24px; }
.atout .ico svg { width: 28px; height: 28px; }
.atout h3 { margin-bottom: .5em; color: #fff; }
.atout p { margin: 0; color: #d0d0d0; font-size: 1rem; }
@media (max-width: 1000px) { .atouts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .atouts { grid-template-columns: 1fr; } }

/* ---------- cartes prestations ---------- */
.cartes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.carte { display: flex; flex-direction: column; padding: 34px 30px 30px; background: #fff; text-decoration: none; color: var(--encre); overflow: hidden; box-shadow: 0 1px 0 rgba(0, 0, 0, .06); transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s, color .35s; }
.carte:hover { transform: translateY(-5px); box-shadow: var(--ombre); background: var(--noir); color: #fff; }
.carte .num { font-size: 2.6rem; font-weight: 700; line-height: 1; color: var(--noir); letter-spacing: -.03em; }
.carte:hover .num { color: #fff; }
.carte .ico-carte { width: 56px; height: 56px; display: grid; place-items: center; background: var(--noir); color: #fff; transition: background .35s, color .35s; }
.carte .ico-carte svg { width: 28px; height: 28px; }
.carte:hover .ico-carte, .carte-noire .ico-carte { background: #fff; color: var(--noir); }
.carte.coin:hover::after { border-right-color: #fff; }
.carte h3 { font-size: 1.55rem; margin: 22px 0 10px; }
.carte p { color: var(--texte); font-size: 1.02rem; transition: color .35s; }
.carte:hover p { color: #d0d0d0; }
.carte ul { margin: 0 0 20px; padding: 0; list-style: none; font-size: 1rem; color: var(--texte); }
.carte li { padding: 8px 0 8px 22px; position: relative; border-top: 1px solid var(--filet); transition: border-color .35s, color .35s; }
.carte:hover li { color: #d6d6d6; border-color: #2c2c2c; }
.carte li::before { content: ""; position: absolute; left: 0; top: 18px; width: 10px; height: 3px; background: var(--noir); transition: background .35s; }
.carte:hover li::before { background: #fff; }
.carte .plus { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1rem; }
.carte .plus svg { width: 19px; height: 19px; transition: transform .25s var(--ease); }
.carte:hover .plus svg { transform: translateX(5px); }
.carte-noire { background: var(--noir); color: #fff; }
.carte-noire .num { color: #fff; }
.carte-noire p { color: #d0d0d0; }
.carte-noire.coin::after { border-right-color: #3d3d3d; }
.carte-large { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 26px; padding: 28px 30px; }
.carte-large h3 { margin: 0; }
.carte-large p { margin: 0; }
.carte-large .plus { margin: 0 0 0 auto; white-space: nowrap; }
@media (max-width: 640px) { .carte-large { flex-direction: column; align-items: flex-start; gap: 0; } .carte-large h3 { margin: 22px 0 10px; } .carte-large .plus { margin: 18px 0 0; } }
.carte-sombre { background: var(--noir); color: #fff; }
.carte-sombre .num { color: #9a9a9a; font-size: 1.1rem; letter-spacing: .14em; }
.carte-sombre p { color: #d0d0d0; }
@media (max-width: 1000px) { .cartes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cartes { grid-template-columns: 1fr; } }

/* ---------- phases SIA ---------- */
.phases { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(8, 1fr); gap: 0; position: relative; }
.phases::before { content: ""; position: absolute; left: 0; right: 0; top: 29px; height: 4px; background: #2d2d2d; }
.phases::after { content: ""; position: absolute; left: 0; top: 29px; height: 4px; width: 100%; background: var(--rouge); transform: scaleX(var(--p, 0)); transform-origin: left; transition: transform 2.2s var(--ease); }
.phases.vu { --p: 1; }
.phase { position: relative; z-index: 1; padding-right: 16px; }
.phase .pastille { width: 62px; height: 62px; display: grid; place-items: center; font-weight: 700; font-size: 1.15rem; background: var(--noir); color: #fff; border: 4px solid #2d2d2d; transition: border-color .4s, background .4s; transform: rotate(45deg); }
.phase .pastille > span { transform: rotate(-45deg); }
.phases.vu .phase .pastille { border-color: #fff; }
.phase h3 { font-size: 1.08rem; margin: 24px 0 0; color: #fff; line-height: 1.3; }
@media (max-width: 1000px) {
  .phases { grid-template-columns: 1fr; gap: 22px; }
  .phases::before, .phases::after { left: 29px; right: auto; top: 0; bottom: 0; width: 4px; height: auto; }
  .phases::after { transform: scaleY(var(--p, 0)); transform-origin: top; }
  .phase { display: grid; grid-template-columns: 62px 1fr; gap: 0 26px; align-items: center; padding: 0; }
  .phase h3 { margin: 0; }
}

/* ---------- types de bâtiments, clients, appel ---------- */
.types { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.type { display: flex; flex-direction: column; gap: 20px; padding: 26px 20px 24px; background: var(--fond); border-top: 3px solid var(--noir); font-weight: 700; font-size: 1.06rem; line-height: 1.25; }
.type svg { width: 36px; height: 36px; }
@media (max-width: 1100px) { .types { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .types { grid-template-columns: repeat(2, 1fr); gap: 10px; } .type { padding: 20px 16px; } }
.clients-ligne { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: 30px; padding: 22px 0; border-top: 1px solid var(--filet); border-bottom: 1px solid var(--filet); }
.clients-ligne > span { font-size: .92rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #6b6b6b; }
.clients-ligne ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 0; }
.clients-ligne li { font-weight: 700; font-size: 1.12rem; }
.clients-ligne li + li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 16px; background: #9a9a9a; transform: rotate(45deg); vertical-align: 3px; }
.clients-ligne + .bientot { margin-top: 44px; }
.clients { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.client { padding: 26px 24px; border-left: 5px solid var(--noir); background: var(--fond); }
.client b { display: block; margin-bottom: 6px; font-size: 1.15rem; }
.client span { color: var(--texte); font-size: 1rem; }
@media (max-width: 900px) { .clients { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .clients { grid-template-columns: 1fr; } }
.appel { position: relative; overflow: hidden; background: var(--noir); color: #fff; border-bottom: 1px solid #262626; }
.appel p { color: #d6d6d6; font-size: 1.15rem; }
.appel .wrap { position: relative; z-index: 1; }
.appel h2 { margin: 0; font-size: clamp(1.9rem, 3.3vw, 2.7rem); }
.appel p { margin: 14px 0 0; }
.appel .actions { margin-top: 30px; }
.appel .etiquette { color: #fff; }
.appel .filigrane { position: absolute; right: -90px; top: 50%; width: 420px; height: auto; aspect-ratio: 360 / 400; transform: translateY(-50%); opacity: .1; }
.bientot { display: grid; grid-template-columns: auto 1fr auto; gap: 24px 36px; align-items: center; padding: 34px 38px; border: 3px dashed #c4c4c4; background: #fff; }
.bientot .badge { display: inline-flex; align-items: center; gap: 9px; padding: 10px 16px; background: var(--noir); color: #fff; font-weight: 700; font-size: .95rem; white-space: nowrap; text-transform: uppercase; letter-spacing: .08em; }
.bientot .badge i { width: 9px; height: 9px; background: var(--rouge); transform: rotate(45deg); animation: pulse 1.6s ease-in-out infinite; }
.bientot h2, .bientot h3 { margin: 0 0 4px; font-size: 1.45rem; letter-spacing: -.01em; }
.bientot p { margin: 0; color: var(--texte); }
@keyframes pulse { 50% { opacity: .25; } }
@media (max-width: 760px) { .bientot { grid-template-columns: 1fr; padding: 26px; } }

/* ---------- pages intérieures ---------- */
.page-titre { position: relative; overflow: hidden; padding: clamp(50px, 7vw, 96px) 0 clamp(46px, 6vw, 80px); background: var(--fond); color: var(--encre); border-bottom: 1px solid var(--filet); }
.page-titre::after { content: ""; position: absolute; right: -70px; top: 50%; width: 440px; height: 490px; transform: translateY(-50%); background: url("../img/symbole-blanc.png") center / contain no-repeat; filter: invert(1); opacity: .05; pointer-events: none; }
.page-titre .wrap { position: relative; z-index: 1; }
.page-titre .lead { color: var(--texte); max-width: 60rem; }
.fil { font-size: .98rem; color: var(--gris); margin-bottom: 26px; }
.fil a { color: var(--gris); }
.fil a:hover { color: var(--noir); }
.fil span { margin: 0 9px; }
.page-titre h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
.deux-col { display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: start; }
@media (max-width: 900px) { .deux-col { grid-template-columns: 1fr; gap: 40px; } }
.bloc { margin-bottom: 50px; }
.bloc h2 { font-size: clamp(1.7rem, 2.8vw, 2.2rem); display: flex; align-items: baseline; gap: 14px; }
.liste { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.liste li { padding: 16px 0 16px 36px; border-top: 1px solid var(--filet); position: relative; }
.liste li:last-child { border-bottom: 1px solid var(--filet); }
.liste li::before { content: ""; position: absolute; left: 4px; top: 25px; width: 16px; height: 4px; background: var(--noir); }
.liste li b { display: block; font-size: 1.08rem; }
.liste li span { color: var(--texte); font-size: 1rem; }
.encart { position: sticky; top: 130px; padding: 34px 32px; background: var(--noir); color: #fff; }
.encart h3 { color: #fff; }
.encart .etiquette { color: #fff; }
.encart .etiquette b { color: #9a9a9a; }
.encart p, .encart li { color: #d6d6d6; font-size: 1rem; }
.encart ul { padding-left: 18px; margin: 0 0 24px; }
.encart .btn { width: 100%; justify-content: center; }
.encart .btn + .btn { margin-top: 10px; }
.autres { display: flex; flex-wrap: wrap; gap: 10px; }
.autres a { padding: 11px 18px; border: 2px solid var(--noir); text-decoration: none; font-weight: 700; font-size: 1rem; }
.autres a:hover { background: var(--noir); color: #fff; }
.texte-long { max-width: 48rem; }
.texte-long h2 { font-size: 1.6rem; margin-top: 1.6em; }
.texte-long h3 { font-size: 1.2rem; margin-top: 1.4em; }
.texte-long ul { padding-left: 20px; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.badges li { padding: 10px 16px; background: var(--noir); color: #fff; font-weight: 700; font-size: .98rem; }
.badges li::before { content: ""; display: inline-block; width: 8px; height: 8px; background: #8a8a8a; transform: rotate(45deg); margin-right: 10px; vertical-align: 2px; }
.portrait { margin: 0; background: var(--fond); border: 1px solid var(--filet); }
.portrait img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
.portrait figcaption { padding: 18px 22px; background: var(--noir); color: #fff; font-weight: 700; font-size: 1.1rem; }
.portrait figcaption span { display: block; margin-top: 2px; font-weight: 400; color: #c8c8c8; font-size: .95rem; }
@media (max-width: 900px) { .portrait { order: -1; max-width: 420px; } }

/* ---------- contact ---------- */
.contact-grille { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-carte { display: flex; flex-direction: column; gap: 6px; padding: 32px 28px; border: 2px solid var(--filet); text-decoration: none; transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.contact-carte:hover { transform: translateY(-5px); box-shadow: var(--ombre); color: var(--encre); border-color: var(--noir); }
.contact-carte .ico { width: 54px; height: 54px; background: var(--noir); color: #fff; display: grid; place-items: center; margin-bottom: 14px; }
.contact-carte .ico svg { width: 24px; height: 24px; }
.contact-carte small { color: var(--gris); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: .88rem; }
.contact-carte strong { font-size: 1.3rem; word-break: break-word; }
.contact-carte span { color: var(--texte); font-size: 1rem; }
@media (max-width: 900px) { .contact-grille { grid-template-columns: 1fr; } }
.adresse { font-style: normal; }
.adresse a { display: inline-block; line-height: 1.6; }

/* ---------- pied de page ---------- */
.site-footer { background: var(--noir); color: #d0d0d0; padding: 80px 0 32px; font-size: 1rem; border-top: 1px solid #202020; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: #bdbdbd; }
.pied { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.pied h2 { color: #fff; line-height: 1.3; font-size: .95rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 18px; display: flex; align-items: center; gap: 10px; }
.pied h2::before { content: ""; width: 20px; height: 3px; background: #555; }
.pied ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pied .logo-pied { height: 66px; width: auto; aspect-ratio: 734 / 150; margin-bottom: 22px; }
.pied p { color: #bdbdbd; }
.bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 26px; border-top: 1px solid #262626; color: #9a9a9a; font-size: .92rem; }
.bas a { color: #c4c4c4; }
@media (max-width: 900px) { .pied { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pied { grid-template-columns: 1fr; } }

/* ---------- apparition au défilement ---------- */
.js .revele { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js .revele.vu { opacity: 1; transform: none; }
.js .revele.fini { transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-color .35s, color .35s, border-color .3s; }
.atout:hover, .js .atout.vu:hover, .carte:hover, .js .carte.vu:hover, .contact-carte:hover, .js .contact-carte.vu:hover { transform: translateY(-5px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .schema .fl, .schema .sol, .schema .flamme, .schema .tete, .schema .gout, .schema .jet, .bientot .badge i, .ruban-piste { animation: none !important; }
  .schema .trace { stroke-dasharray: none; stroke-dashoffset: 0; }
  .schema .res .eq, .schema .res .c-bcl, .schema .res .fl { opacity: 1; }
  .js .revele { opacity: 1; transform: none; }
}
@media print { .site-header, .site-footer, .schema, .appel, .ruban { display: none; } }
@media (max-width: 480px) { .etiquette { font-size: .86rem; gap: 10px; letter-spacing: .1em; } .etiquette::before { width: 26px; } }