/* ════════════════════════════════════════════════════════════════════
   Placo d'Art — Le trait parfait
   Feuille de style unique. Couleurs relevées dans la brochure et le logo :
   sarcelle #006469, gris du logo #868686.
   ════════════════════════════════════════════════════════════════════ */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin.woff2") format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin-ext.woff2") format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plexmono-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plexmono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

:root {
  --platre: #F2F0EB;
  --papier: #FAF9F6;
  --encre: #101B1C;
  --encre-2: #465254;
  --gris: #868686;
  --sarcelle: #006469;
  --sarcelle-2: #0B5C5D;
  --sarcelle-f: #00474B;
  --nuit: #062A2C;
  --nuit-2: #0A3538;
  --laser: #16C7AE;
  --filet: rgba(16, 27, 28, .14);
  --filet-fort: rgba(16, 27, 28, .26);
  --filet-clair: rgba(236, 245, 243, .16);
  --clair: #E6EEEC;
  --clair-2: rgba(230, 238, 236, .68);

  --f-texte: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --marge: clamp(16px, 4.2vw, 64px);
  --max: 1480px;
  --entete: 76px;
  --ease: cubic-bezier(.76, 0, .24, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ── Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--entete) + 12px); }
body {
  margin: 0;
  background: var(--platre);
  color: var(--encre);
  font-family: var(--f-texte);
  font-size: clamp(16px, .28vw + 15px, 18px);
  line-height: 1.6;
  font-stretch: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: inherit; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
address { font-style: normal; }
::selection { background: var(--sarcelle); color: #fff; }
:focus-visible { outline: 2px solid var(--laser); outline-offset: 3px; }

.mono {
  font-family: var(--f-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.4;
}
.conteneur { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--marge); }
.evitement {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--encre); color: #fff; padding: 10px 14px; text-decoration: none;
}
.evitement:focus { top: 12px; }

/* ── Boutons et liens ───────────────────────────────────────────────── */
.bouton {
  --fond: transparent; --texte: var(--encre); --bord: var(--encre);
  position: relative; display: inline-flex; align-items: center; gap: 14px;
  padding: 15px 22px; min-height: 50px;
  font-size: .95rem; font-weight: 600; font-stretch: 105%; letter-spacing: .01em;
  text-decoration: none; white-space: nowrap;
  color: var(--texte); background: var(--fond); border: 1px solid var(--bord);
  overflow: hidden; isolation: isolate;
  transition: color .45s var(--ease), border-color .45s var(--ease);
}
.bouton::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--balayage, var(--encre));
  transform: scaleX(0); transform-origin: right center;
  transition: transform .55s var(--ease);
}
.bouton:hover::before, .bouton:focus-visible::before { transform: scaleX(1); transform-origin: left center; }
.bouton--plein { --fond: var(--sarcelle); --texte: #fff; --bord: var(--sarcelle); --balayage: var(--encre); }
.bouton--plein:hover { --bord: var(--encre); }
.bouton--trait { --balayage: var(--encre); }
.bouton--trait:hover { --texte: #fff; }
.bouton--blanc { --fond: #fff; --texte: var(--sarcelle); --bord: #fff; --balayage: var(--encre); }
.bouton--blanc:hover { --texte: #fff; --bord: var(--encre); }
.fleche { width: 24px; height: 10px; fill: none; stroke: currentColor; stroke-width: 1.5; transition: transform .45s var(--ease); }
.bouton:hover .fleche { transform: translateX(4px); }

.lien {
  font-family: var(--f-mono); font-size: .75rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none; color: var(--sarcelle);
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
  padding-bottom: 3px; transition: background-size .45s var(--ease);
}
.lien:hover { background-size: 0 1px; background-position: 100% 100%; }

/* ── Apparition au défilement (uniquement si le script tourne) ─────── */
.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); }
.js [data-reveal].est-visible { opacity: 1; transform: none; }

/* ── Titres de section, repris de la brochure ───────────────────────
   « QUI » en gras, une barre sarcelle jusqu'au bord, puis la suite en léger. */
.titre-section {
  display: grid; gap: 2px;
  margin-bottom: clamp(28px, 4vw, 56px);
  text-transform: uppercase;
  line-height: .95;
  font-size: clamp(34px, 5vw, 76px);
  letter-spacing: -.01em;
}
.titre-section__num { font-size: .72rem; color: var(--sarcelle); margin-bottom: 14px; letter-spacing: .12em; }
.titre-section__l1 { display: flex; align-items: center; gap: .25em; }
.titre-section__l1 b { font-weight: 850; font-stretch: 112%; color: #3C3C3E; }
.titre-section__barre {
  flex: 1; height: .2em; min-height: 8px; background: var(--sarcelle);
  transform: scaleX(0); transform-origin: left center;
  transition: transform 1.3s .15s var(--ease);
}
.titre-section__l2 { font-weight: 250; font-stretch: 105%; color: var(--encre-2); }
.js .titre-section.est-visible .titre-section__barre, html:not(.js) .titre-section__barre { transform: scaleX(1); }
.titre-section--clair .titre-section__l1 b { color: #fff; }
.titre-section--clair .titre-section__l2 { color: var(--clair-2); }
.titre-section--clair .titre-section__num { color: var(--laser); }
.titre-section--clair .titre-section__barre { background: var(--laser); }

.chapo { font-size: clamp(18px, 1.5vw, 24px); line-height: 1.45; max-width: 36ch; color: var(--encre-2); }
.chapo--clair { color: var(--clair-2); }

.section { padding-block: clamp(80px, 11vw, 168px); }

/* ── En-tête ───────────────────────────────────────────────────────── */
.entete {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  height: var(--entete);
  display: flex; align-items: center; gap: clamp(16px, 2.2vw, 36px);
  padding-inline: var(--marge);
  transition: background-color .4s, box-shadow .4s, transform .5s var(--ease);
}
.entete.est-compact { background: rgba(242, 240, 235, .97); box-shadow: 0 1px 0 var(--filet); }
.entete.est-cache { transform: translateY(-100%); }
.entete__logo { display: block; flex: none; margin-right: auto; }
.logo { display: block; height: 50px; width: auto; overflow: visible; }
.logo .lg-barres, .logo .lg-nom { fill: var(--gris); }
.logo .lg-centre, .logo .lg-signature { fill: var(--sarcelle); }
.logo path { transform-box: fill-box; }
.js .logo .lg-barres path, .js .logo .lg-centre path { transform-origin: left center; animation: trace 1s var(--ease) both; }
.js .logo .lg-barres path:first-child { animation-delay: .1s; }
.js .logo .lg-centre path { animation-delay: .28s; }
.js .logo .lg-barres path:last-child { animation-delay: .44s; }
@keyframes trace { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.nav__liste { display: flex; gap: clamp(14px, 1.8vw, 30px); }
.nav__liste a {
  position: relative; text-decoration: none; font-size: .92rem; font-weight: 500; letter-spacing: .01em;
  padding-block: 6px;
}
.nav__liste a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right center; transition: transform .5s var(--ease);
}
.nav__liste a:hover::after, .nav__liste a[aria-current="true"]::after { transform: scaleX(1); transform-origin: left center; }
.nav__liste a[aria-current="true"] { color: var(--sarcelle); }
.nav__pied { display: none; }
.entete__tel { text-decoration: none; font-weight: 600; font-size: .92rem; white-space: nowrap; }
.entete__tel .mono { color: var(--sarcelle); margin-right: 6px; font-size: .68rem; }
.entete__devis { padding: 12px 18px; min-height: 44px; font-size: .88rem; }
.burger { display: none; align-items: center; gap: 10px; padding: 10px 0 10px 10px; min-height: 44px; }
.burger__txt { font-family: var(--f-mono); font-size: .72rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; }
.burger__barres { display: grid; gap: 4px; width: 26px; }
.burger__barres i { display: block; height: 2px; background: var(--gris); transition: transform .45s var(--ease), background .3s; }
.burger__barres i:nth-child(2) { width: 80%; justify-self: center; background: var(--sarcelle); }

/* ── Accueil ───────────────────────────────────────────────────────── */
.hero {
  position: relative; isolation: isolate;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column;
  padding-top: calc(var(--entete) + clamp(24px, 5vh, 64px));
  overflow: hidden;
}
.hero__trame {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(0, 100, 105, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 100, 105, .07) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: calc(var(--marge) - 1px) 0;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 30% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 70% at 30% 40%, #000 20%, transparent 75%);
}
.hero__in {
  flex: 1;
  width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--marge);
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: clamp(28px, 4vw, 72px); align-items: center;
}
.surtitre { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-bottom: clamp(20px, 3vh, 36px); }
.surtitre span {
  font-family: var(--f-mono); font-size: .72rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--sarcelle);
  display: inline-flex; align-items: center; gap: 22px;
}
.surtitre span + span::before { content: ""; width: 14px; height: 1px; background: var(--filet-fort); margin-left: -8px; }
.hero__titre {
  font-size: clamp(46px, 6.5vw, 104px);
  line-height: .9; letter-spacing: -.035em;
  font-weight: 230; font-stretch: 106%;
  color: var(--gris); text-transform: uppercase;
  margin-bottom: clamp(24px, 3.4vh, 40px);
}
.hero__titre strong { font-weight: 820; font-stretch: 100%; color: var(--sarcelle); letter-spacing: -.03em; }
.hero__titre .l { display: block; overflow: hidden; padding-bottom: .04em; }
.hero__titre .li { display: inline-block; }
.js .hero__titre .li { transform: translateY(108%); animation: monte 1.15s var(--ease-out) forwards; }
.js .hero__titre .l:nth-child(1) .li { animation-delay: .25s; }
.js .hero__titre .l:nth-child(2) .li { animation-delay: .37s; }
.js .hero__titre .l:nth-child(3) .li { animation-delay: .49s; }
@keyframes monte { to { transform: none; } }
.hero__intro { max-width: 46ch; font-size: clamp(17px, 1.25vw, 20px); line-height: 1.55; color: var(--encre-2); margin-bottom: clamp(28px, 4vh, 44px); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.js .hero__intro, .js .hero__actions, .js .surtitre { opacity: 0; animation: apparait 1s .75s var(--ease-out) forwards; }
.js .surtitre { animation-delay: .15s; }
.js .hero__actions { animation-delay: .9s; }
@keyframes apparait { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.hero__visuel { position: relative; align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: 14px; }
.hero__cadre { position: relative; aspect-ratio: 4 / 5; max-height: calc(100svh - var(--entete) - 190px); min-height: 320px; overflow: hidden; background: #d9d6cf; }
.hero__cadre img { width: 100%; height: 100%; object-fit: cover; object-position: 24% 62%; }
.js .hero__cadre { clip-path: inset(50% 0 50% 0); animation: ouvre 1.5s .3s var(--ease) forwards; }
.js .hero__cadre img { transform: scale(1.14); animation: recule 2.4s .3s var(--ease-out) forwards; }
@keyframes ouvre { to { clip-path: inset(0 0 0 0); } }
@keyframes recule { to { transform: scale(1); } }
.hero__visuel figcaption { display: flex; gap: 14px; align-items: baseline; margin-top: 16px; font-size: .88rem; color: var(--encre-2); }
.hero__visuel figcaption .mono { color: var(--sarcelle); }
.repere { position: absolute; width: 14px; height: 14px; border: 0 solid var(--encre); pointer-events: none; }
.repere--hg { left: 0; top: 0; border-left-width: 1px; border-top-width: 1px; }
.repere--hd { right: 0; top: 0; border-right-width: 1px; border-top-width: 1px; }
.repere--bg { left: 0; bottom: 44px; border-left-width: 1px; border-bottom-width: 1px; }
.repere--bd { right: 0; bottom: 44px; border-right-width: 1px; border-bottom-width: 1px; }

/* Niveau laser : la ligne reste parfaitement horizontale, elle suit le pointeur. */
.hero__laser {
  position: absolute; left: 0; right: 0; top: 0; height: 0; z-index: 4; pointer-events: none;
  transform: translate3d(0, var(--ly, 55vh), 0);
  opacity: 0; transition: opacity .8s;
}
.hero.laser-actif .hero__laser { opacity: 1; }
.hero__laser-ligne {
  position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(to right, transparent, var(--laser) 6%, var(--laser) 94%, transparent);
  box-shadow: 0 0 4px 0 rgba(22, 199, 174, .9), 0 0 18px 1px rgba(22, 199, 174, .35);
}
.hero__laser-point {
  position: absolute; top: -4px; left: var(--lx, 50%); width: 9px; height: 9px; margin-left: -4.5px; border-radius: 50%;
  background: #eafffb; box-shadow: 0 0 0 2px rgba(22, 199, 174, .55), 0 0 16px 4px rgba(22, 199, 174, .6);
}
.hero__laser-mesure {
  position: absolute; right: var(--marge); top: -30px;
  font-family: var(--f-mono); font-size: .66rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--sarcelle); background: var(--platre); border: 1px solid rgba(22, 199, 174, .7); padding: 4px 7px;
}

/* lien de téléchargement de la brochure, sous les boutons de l'accueil */
.hero__brochure {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 22px;
  text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--sarcelle);
}
.hero__brochure > span:first-of-type { background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .45s var(--ease); padding-bottom: 2px; }
.hero__brochure:hover > span:first-of-type { background-size: 100% 1px; }
.hero__brochure .mono { color: var(--encre-2); font-size: .66rem; }
.js .hero__brochure { opacity: 0; animation: apparait 1s 1.05s var(--ease-out) forwards; }
.icone-dl { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* ── 01 À propos ───────────────────────────────────────────────────── */
.apropos__grille {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px); align-items: start;
}
.manifeste {
  grid-column: 1 / 9;
  font-size: clamp(24px, 2.7vw, 44px); line-height: 1.22; letter-spacing: -.012em; font-weight: 380;
}
.manifeste strong { font-weight: 800; font-stretch: 110%; }
.manifeste .mot { color: rgba(16, 27, 28, .16); transition: color .35s linear; }
.manifeste .mot.est-lu { color: var(--encre); }
.manifeste strong .mot.est-lu { color: var(--sarcelle); }
.apropos__photo { grid-column: 9 / 13; grid-row: 1 / 3; }
.apropos__photo figcaption, .gamme__photo figcaption { display: flex; gap: 12px; margin-top: 12px; font-size: .85rem; color: var(--encre-2); }
.apropos__photo figcaption .mono, .gamme__photo figcaption .mono { color: var(--sarcelle); }
.apropos__engagement {
  grid-column: 1 / 7; padding-left: 22px; border-left: 3px solid var(--sarcelle);
  font-size: clamp(17px, 1.3vw, 20px); color: var(--encre-2); font-weight: 500;
}

.performances { margin-top: clamp(64px, 9vw, 128px); }
.performances__intro { color: var(--sarcelle); margin-bottom: 26px; }
.performances__liste { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--filet-fort); }
.performances__liste li { padding: 28px clamp(14px, 2vw, 30px) 8px 0; }
.performances__liste li + li { padding-left: clamp(14px, 2vw, 30px); border-left: 1px solid var(--filet); }
.picto { width: 52px; height: 52px; fill: none; stroke: var(--sarcelle); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 22px; }
.picto path { stroke-dasharray: 200; stroke-dashoffset: 200; transition: stroke-dashoffset 1.8s .2s var(--ease-out); }
.est-visible .picto path, html:not(.js) .picto path { stroke-dashoffset: 0; }
.performances__liste h3 { font-size: clamp(20px, 1.6vw, 26px); font-weight: 700; font-stretch: 112%; margin-bottom: 10px; }
.performances__liste p { font-size: .96rem; color: var(--encre-2); }

/* ── 02 Anatomie d'une cloison ─────────────────────────────────────── */
.anatomie {
  position: relative; background: var(--nuit); color: var(--clair);
  padding-block: clamp(80px, 11vw, 160px) clamp(40px, 6vw, 80px);
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 60px 60px;
}
.anatomie .chapo { margin-bottom: clamp(24px, 4vw, 48px); }
.anatomie__scene { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 72px); }
.etape {
  min-height: 72vh; display: flex; flex-direction: column; justify-content: center;
  opacity: .28; transition: opacity .6s;
}
.etape.est-active { opacity: 1; }
.etape__num { color: var(--laser); margin-bottom: 16px; }
.etape h3 { font-size: clamp(28px, 3.2vw, 50px); font-weight: 780; font-stretch: 112%; line-height: 1; margin-bottom: 18px; text-transform: uppercase; letter-spacing: -.01em; }
.etape p { max-width: 38ch; color: var(--clair-2); font-size: clamp(16px, 1.2vw, 19px); }
.anatomie__dessin { position: relative; }
.anatomie__cadre {
  position: sticky; top: calc(var(--entete) + 4vh);
  height: calc(100vh - var(--entete) - 8vh); min-height: 420px;
  display: flex; align-items: center; justify-content: center;
}
.cloison { width: 100%; height: 100%; overflow: visible; }
.cloison .couche { opacity: 0; transform: translate(var(--dx, 0), var(--dy, -26px)); transition: opacity .7s var(--ease-out), transform 1s var(--ease-out); }
.cloison .couche.est-posee { opacity: 1; transform: none; }
.cloison .f-dessus, .cloison .f-avant, .cloison .f-cote { stroke: rgba(3, 20, 21, .55); stroke-width: .35; stroke-linejoin: round; }
.cloison .metal .f-dessus { fill: #D2DDDC; } .cloison .metal .f-avant { fill: #A7B8B8; } .cloison .metal .f-cote { fill: #7C9192; }
.cloison .laine .f-dessus { fill: #E7D596; } .cloison .laine .f-avant { fill: url(#fibres); } .cloison .laine .f-cote { fill: #AE9A57; }
.cloison .plaque-g .f-dessus { fill: #FFFFFF; } .cloison .plaque-g .f-avant { fill: #E9E6DE; transition: fill 1s; } .cloison .plaque-g .f-cote { fill: #BEB9AE; }
.cloison.est-finie .plaque-g .f-avant { fill: #F6F5F1; }
.cloison .vis { fill: #6F7E7F; transition: fill 1s; }
.cloison.est-finie .vis { fill: #EFEDE7; }
.cloison .bande { fill: #F8F6F0; stroke: rgba(3, 20, 21, .25); stroke-width: .3; }
.cloison .trait-laser { stroke: var(--laser); stroke-width: .9; filter: url(#halo); stroke-dasharray: 360; stroke-dashoffset: 360; transition: stroke-dashoffset 1.6s var(--ease-out); }
.cloison .est-posee .trait-laser { stroke-dashoffset: 0; }
.cloison .fantome polygon { fill: none; stroke: rgba(230, 238, 236, .22); stroke-width: .4; stroke-dasharray: 1.6 1.6; }
.cloison .sol { fill: rgba(255, 255, 255, .03); stroke: rgba(255, 255, 255, .2); stroke-width: .35; stroke-dasharray: 2 2; }
.cloison .cote { stroke: var(--laser); stroke-width: .45; fill: none; }
.cloison .etiquette { font-family: var(--f-mono); font-size: 5.4px; font-weight: 500; letter-spacing: .08em; fill: var(--clair); text-transform: uppercase; }
.cloison .etiquette--cote { text-transform: none; fill: var(--laser); }
.cloison .peinture-couche { fill: #CFE3DE; stroke: rgba(3, 20, 21, .3); stroke-width: .3; }
.cloison .rouleau-manchon { stroke: #8FC2B7; stroke-width: 5.4; stroke-linecap: round; }
.cloison .rouleau-monture { fill: none; stroke: #9AA9AA; stroke-width: 1; stroke-linejoin: round; }
.cloison .rouleau-manche { stroke: #22302F; stroke-width: 2.6; stroke-linecap: round; }
.cloison .renvoi { fill: none; stroke: var(--clair-2); stroke-width: .4; }
.cloison .renvoi-point { fill: var(--laser); }
.anatomie__jauge { position: absolute; left: 0; bottom: 8px; display: grid; gap: 5px; width: 64px; }
.anatomie__jauge li { height: 3px; background: rgba(255, 255, 255, .14); transition: background .4s; }
.anatomie__jauge li.est-active { background: var(--laser); }
.anatomie__jauge li:nth-child(odd) { width: 100%; }
.anatomie__jauge li:nth-child(even) { width: 80%; justify-self: center; }

/* ── 03 Domaines ───────────────────────────────────────────────────── */
.domaines .conteneur { position: relative; }
.domaines .chapo { margin-bottom: clamp(36px, 5vw, 64px); }
.domaines__liste { border-bottom: 1px solid var(--filet-fort); counter-reset: d; }
.domaine { position: relative; border-top: 1px solid var(--filet-fort); }
.domaine::before {
  content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 3px; background: var(--sarcelle);
  transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease);
}
.domaine:hover::before, .domaine.est-ouvert::before { transform: scaleX(1); }
.domaine__tete {
  width: 100%; text-align: left;
  display: grid; grid-template-columns: 72px minmax(0, 1fr) auto 44px; align-items: center; gap: 16px;
  padding: clamp(14px, 1.5vw, 20px) 0;
}
.domaine__num { color: var(--sarcelle); }
.domaine__nom {
  font-size: clamp(22px, 2.5vw, 38px); line-height: 1.1; letter-spacing: .02em; text-transform: uppercase;
  font-weight: 220; font-stretch: 100%;
  transition: font-weight .5s var(--ease), color .4s;
}
.domaine__tete:hover .domaine__nom, .domaine.est-ouvert .domaine__nom { font-weight: 420; color: var(--sarcelle); }
.domaine__compte { color: var(--encre-2); }
.domaine__signe { position: relative; width: 22px; height: 22px; justify-self: end; }
.domaine__signe::before, .domaine__signe::after {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; margin-top: -.75px; background: currentColor;
  transition: transform .5s var(--ease);
}
.domaine__signe::after { transform: rotate(90deg); }
.domaine.est-ouvert .domaine__signe::after { transform: rotate(0deg); }
.domaine__corps {
  display: grid; grid-template-columns: 72px minmax(0, 1fr) minmax(0, .8fr); gap: 16px clamp(16px, 3vw, 48px);
  padding: 4px 0 clamp(28px, 3vw, 44px);
}
.domaine__corps[hidden] { display: none; }
.domaine__corps > * { grid-column: 2; }
.domaine__corps > img { grid-column: 3; grid-row: 1 / span 3; width: 100%; max-height: 340px; object-fit: cover; }
.domaine__corps > .domaine__visuel--dessin, .domaines__apercu img[src$=".svg"] {
  object-fit: contain; padding: 14px;
  background:
    linear-gradient(to right, rgba(0, 100, 105, .06) 1px, transparent 1px) 0 0 / 16px 16px,
    linear-gradient(to bottom, rgba(0, 100, 105, .06) 1px, transparent 1px) 0 0 / 16px 16px,
    var(--papier);
}
.domaine__note { color: var(--encre-2); max-width: 44ch; }
.liste-technique { counter-reset: item; columns: 2; column-gap: 32px; }
.liste-technique li {
  counter-increment: item; break-inside: avoid; position: relative;
  padding: 9px 0 9px 34px; border-bottom: 1px solid var(--filet);
  font-size: 1rem;
}
.liste-technique li::before { content: counter(item, decimal-leading-zero); position: absolute; left: 0; top: 13px; font-family: var(--f-mono); font-size: .7rem; color: var(--sarcelle); }
.liste-technique em { color: #3E8B5B; font-style: normal; }
.domaine__corps:not([hidden]) { animation: deroule .6s var(--ease-out); }
@keyframes deroule { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

.domaines__apercu {
  position: absolute; left: 0; top: 0; z-index: 5; width: 300px; aspect-ratio: 3 / 2; pointer-events: none;
  opacity: 0; transform: translate3d(var(--ax, 0), var(--ay, 0), 0) scale(.9);
  transition: opacity .35s, transform .12s linear;
  overflow: hidden; box-shadow: 0 20px 40px -20px rgba(6, 42, 44, .5);
}
.domaines__apercu.est-visible { opacity: 1; transform: translate3d(var(--ax, 0), var(--ay, 0), 0) scale(1); }
.domaines__apercu img { width: 100%; height: 100%; object-fit: cover; }

/* ── 04 Types de plaques ───────────────────────────────────────────── */
.plaques { background: var(--papier); }
.plaques__grille { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(28px, 5vw, 96px); align-items: start; }
.plaques .chapo { position: sticky; top: calc(var(--entete) + 32px); }
.pile { display: grid; gap: 6px; }
.plaque button {
  width: 100%; text-align: left;
  display: grid; grid-template-columns: 56px 170px minmax(0, 1fr); align-items: center; gap: 14px;
  padding: 6px 0; min-height: 52px;
}
.plaque__code { color: var(--encre-2); transition: color .3s; }
.plaque__nom { font-size: clamp(17px, 1.3vw, 21px); font-weight: 500; font-stretch: 104%; transition: font-weight .4s, color .3s; }
.plaque__chant {
  position: relative; display: block; height: 30px; width: 100%;
  transition: transform .5s var(--ease), box-shadow .5s, height .5s var(--ease);
  /* la plaque vue sur chant : parement papier, âme colorée, parement papier */
  background:
    linear-gradient(to bottom, #F7F5EF 0 5px, var(--ame) 5px calc(100% - 5px), #EAE6DC calc(100% - 5px));
  box-shadow: 0 1px 0 rgba(0, 0, 0, .12), inset 0 0 0 1px rgba(0, 0, 0, .08);
}
.plaque__chant::after {
  content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 26%;
  background: linear-gradient(to right, transparent, rgba(0, 0, 0, .07));
}
.plaque--perforee .plaque__chant {
  background:
    radial-gradient(circle, rgba(16, 27, 28, .55) 1.4px, transparent 1.9px) 0 50% / 9px 9px,
    linear-gradient(to bottom, #F7F5EF 0 5px, var(--ame) 5px calc(100% - 5px), #EAE6DC calc(100% - 5px));
}
.plaque__usage {
  padding-left: 70px; max-width: 58ch; color: var(--encre-2);
  overflow: hidden; opacity: 0; max-height: 0; transition: max-height .6s var(--ease), opacity .4s, padding .6s var(--ease);
}
.plaque.est-ouverte .plaque__usage { max-height: 6em; opacity: 1; padding-block: 2px 16px; }
/* toutes les plaques partent du même trait ; la plaque choisie s'épaissit et se soulève */
.plaque button:hover .plaque__chant { transform: translateY(-2px); box-shadow: 0 10px 18px -12px rgba(6, 42, 44, .5), inset 0 0 0 1px rgba(0, 0, 0, .08); }
.plaque.est-ouverte .plaque__chant { height: 38px; box-shadow: 0 14px 24px -14px rgba(6, 42, 44, .55), inset 0 0 0 1px rgba(0, 0, 0, .08); }
.plaque.est-ouverte .plaque__nom { font-weight: 750; color: var(--sarcelle); }
.plaque.est-ouverte .plaque__code { color: var(--sarcelle); }

/* ── 05 Plafonds ───────────────────────────────────────────────────── */
.plafonds { background: var(--nuit); color: var(--clair); padding-block: clamp(80px, 11vw, 168px); }
.plafonds .chapo { max-width: 52ch; margin-bottom: clamp(32px, 5vw, 64px); }
.perfo { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .5fr); gap: clamp(20px, 3vw, 48px); align-items: start; }
.perfo__panneau {
  --x: 38%; --y: 42%;
  position: relative; aspect-ratio: 16 / 10; overflow: hidden; cursor: crosshair;
  background:
    radial-gradient(circle at var(--x) var(--y), #F4FFFC 0, #A8F4E6 10%, rgba(22, 199, 174, .85) 24%, rgba(12, 84, 86, .95) 48%, #06292B 78%);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .7);
}
.perfo__panneau canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.perfo__reflet {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at var(--x) var(--y), rgba(255, 255, 255, .22), transparent 42%);
  mix-blend-mode: soft-light;
}
.perfo__echelle {
  position: absolute; left: 18px; bottom: 16px; display: flex; flex-direction: column; gap: 6px;
  color: #3D4A4B; font-size: .64rem;
}
.perfo__echelle i { display: block; height: 6px; border: 1.5px solid #3D4A4B; border-top: 0; width: var(--dix-cm, 80px); }
.perfo__choix { display: grid; gap: 2px; }
.perfo__choix button {
  display: flex; justify-content: flex-start; gap: 12px; align-items: center;
  padding: 12px 0; text-align: left; border-bottom: 1px solid var(--filet-clair);
  font-size: 1rem; color: var(--clair-2); transition: color .3s, padding .4s var(--ease);
}
.perfo__choix button::after { content: ""; width: 8px; height: 8px; border: 1px solid currentColor; transition: background .3s, transform .4s var(--ease); }
.perfo__choix button:hover { color: #fff; padding-left: 6px; }
.perfo__choix button .mono { margin-left: auto; color: var(--laser); font-size: .66rem; }
.perfo__choix button[aria-checked="true"] { color: #fff; font-weight: 650; }
.perfo__choix button[aria-checked="true"]::after { background: var(--laser); border-color: var(--laser); transform: rotate(45deg); }
.perfo__desc { margin-top: 22px; min-height: 4.8em; color: var(--clair); font-size: .98rem; }
.perfo__note { margin-top: 10px; color: rgba(230, 238, 236, .45); font-size: .62rem; }

.gammes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 4vw, 72px); margin-top: clamp(64px, 9vw, 120px); }
.gamme__titre {
  display: flex; align-items: center; gap: 14px;
  font-size: clamp(22px, 2vw, 32px); font-weight: 750; font-stretch: 110%; text-transform: uppercase;
  padding-bottom: 18px; border-bottom: 1px solid var(--laser); margin-bottom: 8px;
}
.gamme__titre .mono { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--laser); color: var(--laser); }
.gamme__liste { counter-reset: g; }
.gamme__liste > li { counter-increment: g; padding: 18px 0; border-bottom: 1px solid var(--filet-clair); display: grid; grid-template-columns: 40px 1fr; }
.gamme__liste > li::before { content: counter(g, decimal-leading-zero); font-family: var(--f-mono); font-size: .7rem; color: var(--laser); padding-top: .35em; }
.gamme__liste h4 { font-size: 1.08rem; font-weight: 650; }
.gamme__liste ul { grid-column: 2; margin-top: 8px; display: grid; gap: 5px; }
.gamme__liste ul li { color: var(--clair-2); font-size: .95rem; padding-left: 18px; position: relative; }
.gamme__liste ul li::before { content: ""; position: absolute; left: 0; top: .78em; width: 9px; height: 1px; background: var(--laser); }
.gamme__photo { margin-top: 32px; }
.gamme__photo figcaption, .gamme__photo figcaption .mono { color: var(--clair-2); }
.gamme__photo figcaption .mono { color: var(--laser); }

/* ── 06 Profils ────────────────────────────────────────────────────── */
.profils .chapo { max-width: 50ch; margin-bottom: clamp(36px, 5vw, 64px); }
.profils__grille {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--filet-fort); border-left: 1px solid var(--filet-fort);
}
.profil {
  position: relative; border-right: 1px solid var(--filet-fort); border-bottom: 1px solid var(--filet-fort);
  padding: 16px 16px 14px; background:
    linear-gradient(to right, rgba(0, 100, 105, .05) 1px, transparent 1px) 0 0 / 16px 16px,
    linear-gradient(to bottom, rgba(0, 100, 105, .05) 1px, transparent 1px) 0 0 / 16px 16px;
  transition: background-color .4s;
}
.profil:hover { background-color: var(--papier); }
.profil__tete { display: flex; justify-content: space-between; gap: 8px; color: var(--encre-2); }
.profil__tete .mono:first-child { color: var(--sarcelle); }
.profil svg { display: block; width: 100%; aspect-ratio: 48 / 38; overflow: visible; }
.profil .p-ext { fill: none; stroke: #3B4546; stroke-width: 1.55; stroke-linejoin: miter; stroke-linecap: butt; }
.profil .p-int { fill: none; stroke: #B8BFBE; stroke-width: .8; stroke-linejoin: miter; stroke-linecap: butt; transition: stroke .4s; }
.profil:hover .p-int { stroke: var(--laser); }
.profil .p-ext, .profil .p-int { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s var(--ease-out), stroke .4s; }
.profil.est-visible .p-ext, .profil.est-visible .p-int { stroke-dashoffset: 0; }
.profil .p-cote { stroke: var(--sarcelle); stroke-width: .22; fill: none; opacity: 0; transition: opacity .6s .9s; }
.profil .p-txt { font-family: var(--f-mono); font-size: 2.1px; font-weight: 500; fill: var(--sarcelle); opacity: 0; transition: opacity .6s 1s; }
.profil.est-visible .p-cote, .profil.est-visible .p-txt { opacity: 1; }
.profil__nom { font-size: .95rem; font-weight: 600; }

/* ── 07 Trappes ────────────────────────────────────────────────────── */
.trappes__tete { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: clamp(32px, 4vw, 56px); flex-wrap: wrap; }
.trappes__nb { display: inline-flex; align-items: center; gap: 12px; color: var(--sarcelle); padding: 10px 14px; border: 1px solid var(--sarcelle); }
.trappes__nb span { background: var(--sarcelle); color: #fff; padding: 2px 6px; }
.trappes__grille { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 24px); }
.trappe__img {
  position: relative; aspect-ratio: 1; overflow: hidden; display: grid; place-items: center;
  border: 1px solid var(--filet);
  background:
    linear-gradient(to right, rgba(0, 100, 105, .06) 1px, transparent 1px) 0 0 / 14px 14px,
    linear-gradient(to bottom, rgba(0, 100, 105, .06) 1px, transparent 1px) 0 0 / 14px 14px,
    var(--papier);
  transition: border-color .4s;
}
.trappe__img img { width: 92%; height: 92%; object-fit: contain; transition: transform .8s var(--ease-out); }
.trappe:hover .trappe__img { border-color: var(--sarcelle); }
.trappe:hover .trappe__img img { transform: scale(1.06) translateY(-2%); }
.trappe figcaption { display: grid; gap: 2px; padding-top: 12px; border-top: 1px solid var(--filet-fort); margin-top: 12px; }
.trappe figcaption b { font-weight: 700; font-stretch: 108%; }
.trappe figcaption span { font-size: .88rem; color: var(--encre-2); }
.js .trappe[data-reveal] { transition-delay: calc(var(--i, 0) * 60ms); }

/* ── 08 Références : une dalle de plafond par client ───────────────── */
.references { background: var(--papier); }
.references__tete { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: end; margin-bottom: clamp(32px, 4vw, 56px); }
.references__total { font-size: clamp(20px, 1.8vw, 28px); line-height: 1.35; max-width: 38ch; }
.filtres { display: flex; flex-wrap: wrap; gap: 8px; }
.filtres button {
  display: inline-flex; gap: 10px; align-items: center; padding: 10px 14px; min-height: 44px;
  border: 1px solid var(--filet-fort); font-size: .9rem; font-weight: 500; transition: background .3s, color .3s, border-color .3s;
}
.filtres button .mono { font-size: .66rem; color: var(--sarcelle); }
.filtres button:hover { border-color: var(--encre); }
.filtres button[aria-pressed="true"] { background: var(--encre); color: #fff; border-color: var(--encre); }
.filtres button[aria-pressed="true"] .mono { color: var(--laser); }
.dalles {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr));
  /* l'ossature T24 : les filets entre les dalles */
  gap: 3px; background: #C9CFCD; border: 3px solid #C9CFCD;
}
.dalle { position: relative; aspect-ratio: 3 / 2; perspective: 900px; }
.dalle__in { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .8s var(--ease); transition-delay: var(--delai, 0ms); }
.dalle__face, .dalle__dos { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.dalle__face { display: flex; align-items: center; justify-content: center; background: #FFFFFF; }
.dalle__face img {
  max-width: 66%; max-height: 48%; width: auto; height: auto; object-fit: contain;
  transition: transform .6s var(--ease-out);
}
.dalle:hover .dalle__face img { transform: scale(1.06); }
.dalle__dos {
  transform: rotateX(180deg);
  background:
    radial-gradient(circle, rgba(16, 27, 28, .18) 1.2px, transparent 1.7px) 0 0 / 10px 10px,
    #ECEAE4;
}
.dalle.est-masquee .dalle__in { transform: rotateX(180deg); }
.references__merci {
  margin-top: 28px; text-align: right; color: var(--sarcelle);
  font-style: italic; font-weight: 500; font-size: clamp(17px, 1.3vw, 21px);
}

/* ── Contact ───────────────────────────────────────────────────────── */
.contact { background: var(--sarcelle); color: #fff; padding-block: clamp(80px, 10vw, 150px); }
.contact .titre-section__l1 b { color: #fff; }
.contact .titre-section__l2 { color: rgba(255, 255, 255, .72); }
.contact .titre-section__barre { background: #fff; }
.contact .titre-section__num { color: #BFF3EA; }
.contact__grille { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: clamp(32px, 5vw, 96px); }
.formulaire__retour { padding: 16px 18px; margin-bottom: 24px; background: #fff; color: var(--encre); border-left: 4px solid var(--laser); }
.formulaire__retour.est-erreur { border-left-color: #E07A5F; }
.formulaire__travaux { border: 0; padding: 0; margin: 0 0 30px; display: flex; flex-wrap: wrap; gap: 8px; }
.formulaire__travaux legend { padding: 0; margin-bottom: 14px; color: #BFF3EA; }
.puce { position: relative; cursor: pointer; }
.puce input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.puce span { display: inline-flex; align-items: center; min-height: 42px; padding: 9px 14px; border: 1px solid rgba(255, 255, 255, .45); font-size: .92rem; transition: background .3s, color .3s, border-color .3s; }
.puce:hover span { border-color: #fff; }
.puce input:checked + span { background: #fff; color: var(--sarcelle); border-color: #fff; font-weight: 600; }
.puce input:focus-visible + span { outline: 2px solid var(--laser); outline-offset: 2px; }
.formulaire__champs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 28px; }
.champ { display: grid; gap: 8px; }
.champ--large { grid-column: 1 / -1; }
.champ label { color: #BFF3EA; }
.champ input, .champ textarea {
  width: 100%; font: inherit; font-size: 1.05rem; color: #fff; background: transparent;
  border: 0; border-bottom: 1px solid rgba(255, 255, 255, .45); border-radius: 0; padding: 8px 0 10px;
  transition: border-color .3s;
}
.champ textarea { resize: vertical; min-height: 110px; }
.champ input:focus, .champ textarea:focus { outline: none; border-bottom-color: #fff; box-shadow: 0 1px 0 #fff; }
.champ--piege { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formulaire__pied { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; margin-top: 34px; }
.formulaire__aide { font-size: .85rem; color: rgba(255, 255, 255, .72); max-width: 46ch; }
.coordonnees { display: grid; gap: 0; align-content: start; border-top: 1px solid rgba(255, 255, 255, .35); }
.brochure {
  display: grid; grid-template-columns: 92px 1fr; gap: 18px; align-items: center;
  padding: 18px 0 22px; border-bottom: 1px solid rgba(255, 255, 255, .2); text-decoration: none; color: #fff;
}
.brochure img { width: 92px; height: auto; box-shadow: 0 14px 26px -12px rgba(0, 0, 0, .55); transform: rotate(-3deg); transition: transform .6s var(--ease-out); }
.brochure:hover img { transform: rotate(0deg) translateY(-4px); }
.brochure__texte { display: grid; gap: 6px; }
.brochure__texte .mono { color: #BFF3EA; }
.brochure__texte b { font-size: 1.1rem; font-weight: 650; line-height: 1.25; }
.brochure__dl { display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.brochure:hover .brochure__dl { text-decoration: underline; text-underline-offset: 4px; }
.coordonnees__bloc { display: grid; gap: 8px; padding: 22px 0; border-bottom: 1px solid rgba(255, 255, 255, .2); }
.coordonnees__bloc .mono { color: #BFF3EA; }
.coordonnees__grand { font-size: clamp(20px, 1.7vw, 27px); font-weight: 650; font-stretch: 108%; text-decoration: none; word-break: break-word; }
.coordonnees__grand:hover { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.coordonnees address { color: rgba(255, 255, 255, .86); line-height: 1.5; }
.coordonnees .lien { color: #fff; justify-self: start; }

/* ── Pied de page ──────────────────────────────────────────────────── */
.pied { background: var(--nuit); color: var(--clair); padding-block: clamp(64px, 8vw, 120px) 32px; }
.pied__haut { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; padding-bottom: clamp(40px, 6vw, 80px); border-bottom: 1px solid var(--filet-clair); }
.pied__logo { width: clamp(220px, 30vw, 420px); height: auto; }
.pied__devise { font-size: clamp(28px, 4vw, 64px); line-height: .95; text-transform: uppercase; font-weight: 250; font-stretch: 106%; text-align: right; color: var(--clair-2); }
.pied__bas { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 24px; }
.pied__bas nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.pied__bas nav a { text-decoration: none; font-size: .92rem; color: var(--clair-2); }
.pied__bas nav a:hover { color: #fff; }
.pied__bas .mono { color: rgba(230, 238, 236, .5); }

.barre-mobile { display: none; }

/* ── Tablette ──────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .entete__tel { display: none; }
  .dalles { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .trappes__grille { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .profils__grille { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .perfo { grid-template-columns: 1fr; }
  .perfo__choix { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
}

@media (max-width: 980px) {
  :root { --entete: 64px; }
  .logo { height: 40px; }
  .entete__devis { display: none; }
  .burger { display: inline-flex; }
  .nav {
    position: fixed; inset: 0; z-index: -1;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: calc(var(--entete) + 32px) var(--marge) 40px;
    background: var(--nuit); color: var(--clair);
    clip-path: inset(0 0 100% 0); visibility: hidden;
    transition: clip-path .7s var(--ease), visibility 0s .7s;
  }
  .nav.est-ouverte { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .7s var(--ease), visibility 0s; }
  .nav__liste { flex-direction: column; gap: 0; }
  .nav__liste li { border-bottom: 1px solid var(--filet-clair); }
  .nav__liste a { display: block; padding: 14px 0; font-size: clamp(28px, 7vw, 44px); font-weight: 300; font-stretch: 108%; text-transform: uppercase; letter-spacing: -.01em; }
  .nav__liste a::after { display: none; }
  .nav__liste a[aria-current="true"] { color: var(--laser); font-weight: 700; }
  .nav__pied { display: grid; gap: 10px; font-family: var(--f-mono); font-size: .8rem; letter-spacing: .06em; }
  .nav__pied a { text-decoration: none; color: var(--clair-2); }
  .entete.menu-ouvert { background: transparent; box-shadow: none; }
  .entete.menu-ouvert .logo .lg-nom, .entete.menu-ouvert .logo .lg-barres { fill: #8A8A8A; }
  .entete.menu-ouvert .logo .lg-centre, .entete.menu-ouvert .logo .lg-signature { fill: #fff; }
  .entete.menu-ouvert .burger { color: #fff; }
  .burger[aria-expanded="true"] .burger__barres i:nth-child(1) { transform: translateY(6px) rotate(45deg); background: #fff; }
  .burger[aria-expanded="true"] .burger__barres i:nth-child(2) { transform: scaleX(0); }
  .burger[aria-expanded="true"] .burger__barres i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); background: #fff; }

  .hero__in { grid-template-columns: 1fr; align-content: start; gap: 28px; }
  .hero__visuel { padding: 10px; }
  .hero__cadre { aspect-ratio: 4 / 3; max-height: none; min-height: 0; }

  .apropos__grille { grid-template-columns: 1fr; }
  .manifeste, .apropos__photo, .apropos__engagement { grid-column: 1; grid-row: auto; }
  .performances__liste { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .performances__liste li:nth-child(3) { border-left: 0; padding-left: 0; }
  .performances__liste li:nth-child(n+3) { border-top: 1px solid var(--filet); }

  .anatomie__scene { grid-template-columns: 1fr; }
  .anatomie__dessin { order: -1; position: sticky; top: var(--entete); z-index: 2; background: var(--nuit); margin-inline: calc(var(--marge) * -1); padding-inline: var(--marge); }
  .anatomie__cadre { position: relative; top: 0; height: 44vh; min-height: 260px; }
  .etape { min-height: 56vh; }
  .cloison .renvois { display: none; }

  .domaine__tete { grid-template-columns: 44px minmax(0, 1fr) 30px; }
  .domaine__compte { display: none; }
  .domaine__corps { grid-template-columns: 1fr; }
  .domaine__corps > *, .domaine__corps > img { grid-column: 1; grid-row: auto; }
  .domaines__apercu { display: none; }
  .liste-technique { columns: 1; }

  .plaques__grille { grid-template-columns: 1fr; }
  .plaques .chapo { position: static; }

  .gammes { grid-template-columns: 1fr; }
  .references__tete { grid-template-columns: 1fr; }
  .contact__grille { grid-template-columns: 1fr; }
}

/* ── Téléphone ─────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .burger__txt { display: none; }
  .surtitre span:nth-child(2) { display: none; }
  .hero__laser-mesure { display: none; }
  .hero__titre { font-size: clamp(42px, 13.2vw, 64px); }
  .hero__actions .bouton { flex: 1 1 100%; justify-content: space-between; }
  .repere--bg, .repere--bd { bottom: 40px; }
  .performances__liste { grid-template-columns: 1fr; }
  .performances__liste li, .performances__liste li + li { border-left: 0; padding-left: 0; border-top: 1px solid var(--filet); }
  .performances__liste li:first-child { border-top: 0; }
  .plaque button { grid-template-columns: 44px minmax(0, 1fr); row-gap: 8px; }
  .plaque__chant { grid-column: 1 / -1; height: 22px; }
  .plaque__usage { padding-left: 0; }
  .perfo__panneau { aspect-ratio: 4 / 3; }
  .perfo__choix { grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .perfo__choix button { font-size: .9rem; }
  .profils__grille { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profil { padding: 12px 10px 10px; }
  .profil__tete .mono:last-child { display: none; }
  .trappes__grille { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dalles { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2px; border-width: 2px; }
  .dalle__face img { max-width: 74%; max-height: 50%; }
  .formulaire__champs { grid-template-columns: 1fr; }
  .formulaire__pied .bouton { width: 100%; justify-content: space-between; }
  .pied__devise { text-align: left; }
  .pied { padding-bottom: 96px; }

  .barre-mobile {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
    display: grid; grid-template-columns: 1fr 1.6fr;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    background: rgba(242, 240, 235, .97); box-shadow: 0 -1px 0 var(--filet);
    transform: translateY(110%); transition: transform .5s var(--ease);
  }
  .barre-mobile.est-visible { transform: none; }
  .barre-mobile a {
    display: grid; place-items: center; min-height: 48px; text-decoration: none; font-weight: 600; font-size: .95rem;
    border: 1px solid var(--encre);
  }
  .barre-mobile .barre-mobile__devis { background: var(--sarcelle); color: #fff; border-color: var(--sarcelle); margin-left: 8px; }
}

/* ── Mouvement réduit : tout est affiché d'emblée ──────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .hero__laser { display: none; }
  .manifeste .mot { color: inherit; }
}