/* Studio Nervure — v3
   Hero vert avec le monogramme N qui se dessine ; sections blanches calmes, deux sections crème ;
   la moutarde (pierre de Jaumont) est réservée aux nervures, aux actions et aux états actifs.
   Les effets (flou, lueur au survol, démonstrations) restent concentrés sur 4 endroits. */

@font-face { font-family: "Fraunces"; src: url("fonts/fraunces-latin-opsz-normal.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Atkinson"; src: url("fonts/atkinson-hyperlegible-next-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Atkinson"; src: url("fonts/atkinson-hyperlegible-next-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --vert: #1F3A2E;
  --vert-2: #2F4F3A;
  --vert-3: #3E6450;        /* nervures de fond, filets sur vert */
  --vert-nuit: #18301F;     /* pied de page */
  --moutarde: #D9A441;
  --moutarde-clair: #E6B85E;
  --moutarde-texte: #8A6414;
  --noir: #1C1C1A;
  --creme: #F5F1E8;
  --blanc: #FFFFFF;
  --texte-doux: #4A524D;
  --texte-clair: #C8D3CB;
  --filet: #D7DDD8;

  --titre: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Atkinson", system-ui, -apple-system, "Segoe UI", sans-serif;

  --mesure: 38rem;
  --large: 74rem;
  --gouttiere: clamp(1rem, 4vw, 2.5rem);
  --entete-h: 4.5rem;
  --ease: cubic-bezier(.6,.05,.3,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--entete-h) + 1rem); }
body { margin: 0; background: var(--blanc); color: var(--noir); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.6; }
img, svg { display: block; max-width: 100%; }
a { color: var(--moutarde-texte); text-underline-offset: 0.18em; }
a:hover { color: var(--vert); }
:focus-visible { outline: 3px solid var(--moutarde); outline-offset: 3px; border-radius: 2px; }
button { font: inherit; }

h1, h2, h3, .num, .kpi strong, .prix { font-variant-numeric: lining-nums; }
h1, h2, h3 { font-family: var(--titre); font-weight: 600; line-height: 1.12; margin: 0; color: inherit; text-wrap: balance; font-variation-settings: "opsz" 72; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.3rem); font-weight: 650; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.015em; }
h3 { font-size: 1.25rem; font-variation-settings: "opsz" 24; }
p { margin: 0; max-width: var(--mesure); }

.contenu { width: 100%; max-width: var(--large); margin: 0 auto; padding-inline: var(--gouttiere); }
.evitement { position: absolute; left: -999px; }
.evitement:focus { left: 1rem; top: 1rem; background: var(--blanc); padding: .5rem 1rem; z-index: 100; }

/* ---------- Logo : N typographique, la diagonale épaisse est la nervure ---------- */
.logo .jambage, .monogramme .jambage { fill: var(--creme); }
.logo .diag, .monogramme .diag { fill: var(--moutarde); }
.logo .empattement, .monogramme .empattement { fill: none; stroke: var(--creme); stroke-width: 3.2; stroke-linecap: round; }
.monogramme .empattement { stroke-width: 1.6; }

/* ---------- En-tête fixe, flou ---------- */
.entete {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(31, 58, 46, .93);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  color: var(--blanc);
  transition: box-shadow .3s ease;
}
.entete.compacte { box-shadow: 0 1px 0 rgba(217,164,65,.25), 0 10px 30px rgba(0,0,0,.18); }
.entete .contenu { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: var(--entete-h); transition: height .3s ease; }
.entete.compacte .contenu { height: 3.6rem; }
.marque { display: flex; align-items: center; gap: .7rem; color: var(--blanc); text-decoration: none; font-family: var(--titre); font-weight: 600; font-size: 1.35rem; letter-spacing: -0.01em; font-variation-settings: "opsz" 36; }
.marque:hover { color: var(--blanc); }
.marque .logo { width: 38px; height: 38px; flex: none; }
.marque .logo .diag { transform-box: fill-box; transform-origin: center; transition: transform .45s var(--ease); }

.nav { display: flex; gap: .4rem; }
.nav a { position: relative; color: var(--texte-clair); text-decoration: none; font-size: .98rem; padding: .45rem .75rem; border-radius: 4px; transition: color .2s, background .2s; }
.nav a:hover { color: var(--blanc); background: rgba(255,255,255,.06); }
.nav a.actif { color: var(--blanc); }
.nav a.actif::after { content: ""; position: absolute; left: .75rem; right: .75rem; bottom: .15rem; height: 2px; background: var(--moutarde); border-radius: 2px; }
.nav .nav-cta { background: var(--moutarde); color: var(--noir); font-weight: 600; margin-left: .5rem; }
.nav .nav-cta:hover { background: var(--moutarde-clair); color: var(--noir); }

.progression { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--moutarde); transform-origin: left; transform: scaleX(var(--p, 0)); }

.menu-bouton { display: none; background: none; border: 1px solid var(--vert-3); color: var(--blanc); border-radius: 4px; padding: .45rem .8rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--vert); color: var(--blanc); overflow: hidden; margin-top: calc(-1 * var(--entete-h)); padding-top: var(--entete-h); }
.hero::before { /* lueur qui suit la souris */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(520px circle at var(--mx, 70%) var(--my, 40%), rgba(217,164,65,.13), transparent 60%);
  transition: background .2s;
}
.hero .contenu { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3.5rem, 8vw, 6.5rem); }
.hero h1 { max-width: 15ch; }
.hero .chapo { color: var(--texte-clair); font-size: 1.2rem; margin-top: 1.5rem; max-width: 33rem; }
.actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.25rem; }
.bouton { display: inline-flex; align-items: center; gap: .5rem; padding: .85rem 1.4rem; font-weight: 600; text-decoration: none; border-radius: 4px; border: 2px solid var(--moutarde); font-size: 1rem; font-family: var(--sans); cursor: pointer; transition: background .2s, transform .2s; }
.bouton:active { transform: translateY(1px); }
.bouton-plein { background: var(--moutarde); color: var(--noir); }
.bouton-plein:hover { background: var(--moutarde-clair); border-color: var(--moutarde-clair); color: var(--noir); }
.bouton-ligne { color: var(--blanc); background: transparent; }
.bouton-ligne:hover { background: var(--vert-2); color: var(--blanc); }

.monogramme { width: 100%; max-width: 330px; justify-self: center; overflow: visible; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .4s ease-out; filter: drop-shadow(0 30px 40px rgba(0,0,0,.25)); }
.monogramme .jambage { transform-box: fill-box; animation: monte 1s var(--ease) .1s both; }
.monogramme .jambage.g { transform-origin: bottom; }
.monogramme .jambage.d { transform-origin: top; animation-delay: .3s; }
.monogramme .voile { transform-box: fill-box; transform-origin: top; animation: monte 1.1s var(--ease) .75s both; }
.monogramme .empattement { stroke-dasharray: 22; stroke-dashoffset: 22; animation: trace .6s ease-out 1.5s forwards; }
@keyframes monte { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes trace { to { stroke-dashoffset: 0; } }

/* ---------- Sections ---------- */
.section { padding-block: clamp(4rem, 8vw, 6.5rem); }
.section-creme { background: var(--creme); }
.intro-section { max-width: 42rem; margin-bottom: 3rem; }
.intro-section h2 { color: var(--vert); }
.intro-section p { color: var(--texte-doux); margin-top: 1rem; font-size: 1.12rem; }

/* Cartes avec lueur au survol (position souris en variables) */
.lueur { position: relative; isolation: isolate; }
.lueur::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; opacity: 0; transition: opacity .3s;
  background: radial-gradient(280px circle at var(--cx, 50%) var(--cy, 50%), rgba(217,164,65,.18), transparent 70%);
}
.lueur:hover::before { opacity: 1; }

/* ---------- Référencement ---------- */
.serp-zone { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; margin-bottom: 3.5rem; }
.serp-zone .intro-section { margin-bottom: 0; }
.bascule { display: inline-flex; margin-top: 2rem; padding: 4px; background: var(--creme); border-radius: 6px; border: 1px solid var(--filet); }
.bascule button { border: 0; background: transparent; padding: .6rem 1rem; border-radius: 4px; cursor: pointer; color: var(--texte-doux); font-weight: 600; font-size: .95rem; transition: background .25s, color .25s; }
.bascule button[aria-pressed="true"] { background: var(--vert); color: var(--blanc); }
.legende-serp { margin-top: 1rem; font-size: .95rem; color: var(--texte-doux); min-height: 3em; }

.serp { background: var(--blanc); border: 1px solid var(--filet); border-radius: 10px; box-shadow: 0 24px 60px -30px rgba(31,58,46,.45); overflow: hidden; }
.serp-barre { display: flex; align-items: center; gap: .7rem; padding: .9rem 1rem; border-bottom: 1px solid var(--filet); background: #FAFBFA; }
.serp-barre svg { width: 18px; height: 18px; flex: none; color: var(--texte-doux); }
.serp-requete { font-size: .98rem; color: var(--noir); }
.serp-requete::after { content: ""; display: inline-block; width: 1px; height: 1.05em; background: var(--noir); margin-left: 2px; vertical-align: -2px; animation: curseur 1s steps(1) infinite; }
@keyframes curseur { 50% { opacity: 0; } }
.serp-liste { position: relative; list-style: none; margin: 0; padding: .4rem 0; height: 25.8rem; overflow: hidden; }
.serp-liste li { position: absolute; left: 0; right: 0; height: 5rem; padding: .75rem 1.1rem; transition: transform .8s var(--ease), opacity .5s; }
.serp-liste .ligne { height: .55rem; border-radius: 3px; background: #E4E8E5; margin-top: .45rem; }
.serp-liste .ligne.titre { height: .8rem; width: 62%; background: #CDD7D0; margin-top: 0; }
.serp-liste .ligne.court { width: 80%; }
.serp-liste .vous { z-index: 2; }
.serp-liste .vous .carte-vous { background: var(--creme); border: 2px solid var(--moutarde); border-radius: 8px; padding: .55rem .8rem; margin: -.45rem -.6rem; }
.serp-liste .vous .url { font-size: .8rem; color: var(--texte-doux); }
.serp-liste .vous strong { display: block; font-family: var(--titre); color: var(--vert); font-size: 1.05rem; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 3.5rem; }
.serp-liste .vous .carte-vous { position: relative; }
.serp-liste .vous .url, .serp-liste .vous strong { transition: opacity .25s; }
.serp.change .vous .url, .serp.change .vous strong { opacity: 0; }
.serp-liste .vous .pos { position: absolute; right: .8rem; top: .55rem; font-size: .8rem; font-weight: 600; color: var(--moutarde-texte); }
.serp-pied { padding: .7rem 1.1rem; border-top: 1px solid var(--filet); font-size: .82rem; color: var(--texte-doux); display: flex; justify-content: space-between; gap: 1rem; }
.serp[data-etat="avant"] .vous { opacity: .55; filter: blur(1.5px); }

.leviers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.levier { padding: 1.5rem; border: 1px solid var(--filet); border-radius: 8px; min-width: 0; transition: border-color .3s, transform .3s var(--ease); }
.levier:hover { border-color: var(--moutarde); transform: translateY(-3px); }
.levier-tete { display: flex; align-items: center; gap: .75rem; }
.levier .ico { width: 34px; height: 34px; flex: none; color: var(--moutarde-texte); }
.levier h3 { color: var(--vert); font-size: 1.15rem; }
.levier p { color: var(--texte-doux); margin-top: .75rem; font-size: .98rem; }
.franchise { margin-top: 1.75rem; padding: 1.25rem 0 0; border-top: 1px solid var(--filet); display: flex; gap: .9rem; align-items: center; justify-content: center; }
.franchise .ico { width: 28px; height: 28px; flex: none; color: var(--moutarde-texte); }
.franchise p { max-width: 54rem; font-size: .98rem; color: var(--texte-doux); }

/* ---------- Méthode : nervure qui se remplit au défilement ---------- */
.etapes { position: relative; list-style: none; margin: 0; padding: 0; }
.etapes::before, .etapes::after { content: ""; position: absolute; left: 0; top: .9rem; bottom: .9rem; width: 2px; background: #E2D9C3; }
.etapes::after { background: var(--moutarde); transform-origin: top; transform: scaleY(var(--remplissage, 1)); }
.etapes li { position: relative; padding: 0 0 2.6rem 2.75rem; display: grid; grid-template-columns: 15rem 1fr; gap: .5rem 2.5rem; }
.etapes li:last-child { padding-bottom: 0; }
.etapes .num { position: absolute; z-index: 2; left: -1.1rem; top: -.15rem; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--creme); border: 2px solid #E2D9C3; font-family: var(--sans); font-weight: 600; font-size: .95rem; display: grid; place-items: center; color: var(--texte-doux); transition: background .4s, border-color .4s, color .4s, transform .4s var(--ease); }
.etapes li.passe .num { background: var(--moutarde); border-color: var(--moutarde); color: var(--noir); }
.etapes li.courant .num { transform: scale(1.15); box-shadow: 0 0 0 6px rgba(217,164,65,.2); }
.etapes h3 { color: var(--vert); }
.etapes p { color: var(--texte-doux); }
.etapes .valide { display: inline-block; margin-top: .6rem; color: var(--vert); font-size: .9rem; font-weight: 600; background: rgba(217,164,65,.18); padding: .2rem .6rem; border-radius: 3px; }

/* ---------- Suivi : tableau de bord ---------- */
.suivi { position: relative; background: var(--vert); color: var(--blanc); overflow: hidden; }
.suivi::after { /* halo flou derrière le tableau de bord */
  content: ""; position: absolute; width: 520px; height: 520px; right: -120px; top: 10%; border-radius: 50%;
  background: radial-gradient(circle, rgba(217,164,65,.28), transparent 65%); filter: blur(30px); pointer-events: none;
}
.suivi .contenu { position: relative; z-index: 1; }
.suivi .intro-section h2 { color: var(--blanc); }
.suivi .intro-section p { color: var(--texte-clair); }
.suivi-grille { display: grid; grid-template-columns: 1fr 1.05fr; gap: 3.5rem; align-items: start; }
.promesses { display: grid; gap: 1.75rem; }
.promesses h3 { color: var(--moutarde); font-size: 1.15rem; }
.promesses p { color: var(--texte-clair); margin-top: .35rem; }

.tableau { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; padding: 1.4rem; -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 30px 80px -40px rgba(0,0,0,.6); min-width: 0; }
.tableau-tete { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.2rem; }
.tableau-tete strong { font-family: var(--titre); font-size: 1.15rem; }
.tableau-tete span { font-size: .82rem; color: var(--texte-clair); }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.kpi { background: rgba(255,255,255,.06); border-radius: 8px; padding: .8rem .9rem; min-width: 0; }
.kpi span { display: block; font-size: .8rem; color: var(--texte-clair); }
.kpi strong { display: block; font-family: var(--titre); font-size: 1.6rem; font-variant-numeric: tabular-nums; line-height: 1.2; }
.kpi sup { font-size: .5em; vertical-align: super; line-height: 0; }
.kpi em { font-style: normal; font-size: .8rem; color: var(--moutarde); font-weight: 600; }
.graphe { margin-top: 1rem; }
.graphe svg { width: 100%; height: auto; overflow: visible; }
.graphe .grille line { stroke: rgba(255,255,255,.1); stroke-width: 1; }
.graphe .axe text { fill: var(--texte-clair); font-size: 11px; font-family: var(--sans); }
.graphe .aire { fill: url(#degrade-aire); }
.graphe .courbe { fill: none; stroke: var(--moutarde); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.graphe.anime .courbe { stroke-dasharray: 600; stroke-dashoffset: 600; transition: stroke-dashoffset 1.6s var(--ease); }
.graphe.anime.vu .courbe { stroke-dashoffset: 0; }
.graphe .point { fill: var(--vert); stroke: var(--moutarde); stroke-width: 2.5; }
.graphe .bulle rect { fill: var(--creme); }
.graphe .bulle text { fill: var(--vert); font-size: 11px; font-weight: 600; font-family: var(--sans); }
.tableau-note { margin-top: .9rem; font-size: .9rem; color: var(--texte-clair); padding-top: .9rem; border-top: 1px solid rgba(255,255,255,.12); max-width: none; }
.tableau-note b { color: var(--blanc); font-weight: 600; }

/* ---------- Offres ---------- */
.offres { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.offre { padding: 2rem 1.75rem; border: 1px solid var(--filet); border-radius: 10px; min-width: 0; display: flex; flex-direction: column; transition: border-color .3s, transform .3s var(--ease), box-shadow .3s; }
.offre:hover { border-color: var(--moutarde); transform: translateY(-4px); box-shadow: 0 24px 50px -30px rgba(31,58,46,.4); }
.offre h3 { color: var(--vert); font-size: 1.4rem; }
.offre p { color: var(--texte-doux); margin-top: .75rem; }
.offre ul { margin: 1.25rem 0 0; padding: 0; list-style: none; flex: 1; }
.offre li { padding: .4rem 0 .4rem 1.6rem; position: relative; border-top: 1px dashed var(--filet); }
.offre li::before { content: ""; position: absolute; left: .1rem; top: .95rem; width: .75rem; height: 2px; background: var(--moutarde); transform: rotate(-35deg); }
.prix { margin-top: 1.5rem; font-family: var(--titre); font-weight: 600; font-size: 1.7rem; color: var(--vert); }
.prix small { font-family: var(--sans); font-weight: 400; font-size: .9rem; color: var(--texte-doux); }
.inclus { margin-top: 1.25rem; display: flex; gap: 1.5rem; align-items: center; padding: 1.4rem 1.6rem; background: var(--vert); color: var(--blanc); border-radius: 10px; overflow: hidden; }
.inclus strong { font-family: var(--titre); font-weight: 600; font-size: 1.45rem; color: var(--moutarde); white-space: nowrap; }
.inclus p { max-width: none; color: var(--texte-clair); }

/* ---------- Chantiers : aperçus floutés ---------- */
.chantiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.chantier { background: var(--blanc); border-radius: 10px; overflow: hidden; min-width: 0; border: 1px solid #E6DFCF; }
.apercu { position: relative; height: 170px; background: var(--vert); overflow: hidden; }
.apercu .maquette { position: absolute; inset: 16px 16px 0; background: var(--creme); border-radius: 6px 6px 0 0; padding: 12px; filter: blur(5px); transform: scale(1.03); transition: filter .5s var(--ease), transform .5s var(--ease); }
.chantier:hover .maquette, .chantier:focus-within .maquette { filter: blur(1.2px); transform: scale(1); }
.maquette i { display: block; height: 8px; border-radius: 2px; background: #D6CDB9; margin-bottom: 7px; }
.maquette i.h { height: 34px; background: var(--vert-2); opacity: .85; }
.maquette i.a { width: 40%; background: var(--moutarde); }
.maquette .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 8px; }
.maquette .cols i { height: 38px; margin: 0; }
.apercu .badge { position: absolute; left: 14px; bottom: 12px; background: rgba(31,58,46,.88); color: var(--creme); font-size: .82rem; font-weight: 600; padding: .3rem .65rem; border-radius: 4px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.chantier .texte { padding: 1.4rem 1.5rem 1.6rem; }
.chantier h3 { color: var(--vert); }
.chantier p { color: var(--texte-doux); margin-top: .5rem; }

/* ---------- Engagements ---------- */
.engagements { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--filet); }
.engagements > div { padding: 1.75rem 2rem 1.75rem 0; border-bottom: 1px solid var(--filet); min-width: 0; }
.engagements > div:nth-child(even) { padding-left: 2rem; border-left: 1px solid var(--filet); }
.engagements h3 { color: var(--vert); font-size: 1.2rem; }
.engagements p { color: var(--texte-doux); margin-top: .5rem; }

/* ---------- Contact ---------- */
.contact { background: var(--vert); color: var(--blanc); }
.contact .contenu { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; }
.contact .intro-section h2 { color: var(--blanc); }
.contact .intro-section p { color: var(--texte-clair); }
.formulaire { display: grid; gap: 1.1rem; min-width: 0; }
.formulaire label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: .35rem; }
.formulaire .aide { font-weight: 400; color: var(--texte-clair); }
.formulaire input, .formulaire select, .formulaire textarea { width: 100%; padding: .75rem .85rem; font: inherit; font-size: 1rem; color: var(--noir); background: var(--blanc); border: 2px solid transparent; border-radius: 4px; transition: border-color .2s, box-shadow .2s; }
.formulaire input:focus, .formulaire select:focus, .formulaire textarea:focus { outline: none; border-color: var(--moutarde); box-shadow: 0 0 0 4px rgba(217,164,65,.25); }
.formulaire textarea { min-height: 8rem; resize: vertical; }
.deux-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.formulaire button { justify-self: start; }
.mention-form { font-size: .88rem; color: var(--texte-clair); }
.mention-form a { color: var(--moutarde); }

/* ---------- Retour en haut ---------- */
.haut { position: fixed; right: 1.25rem; bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px)); z-index: 40; width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer; background: var(--vert); color: var(--creme); display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0,0,0,.25); opacity: 0; transform: translateY(16px) scale(.9); pointer-events: none; transition: opacity .35s, transform .35s var(--ease); }
.haut.visible { opacity: 1; transform: none; pointer-events: auto; }
.haut .cercle { position: absolute; inset: 0; width: 52px; height: 52px; transform: rotate(-90deg); }
.haut .piste { fill: none; stroke: rgba(255,255,255,.15); stroke-width: 3; }
.haut .anneau { fill: none; stroke: var(--moutarde); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 145; stroke-dashoffset: calc(145 - 145 * var(--p, 0)); }
.haut .fleche { position: relative; width: 18px; height: 18px; }
.haut:hover { background: var(--vert-2); }

/* ---------- Pied ---------- */
.pied { background: var(--vert-nuit); color: var(--texte-clair); font-size: .95rem; }
.pied a { color: var(--creme); text-decoration: none; }
.pied a:hover { color: var(--moutarde); }
.pied-grille { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-block: 3rem 2rem; }
.pied .marque { font-size: 1.25rem; }
.pied .marque .logo { width: 34px; height: 34px; }
.pied-marque p { margin-top: .75rem; max-width: 22rem; }
.pied-nav, .pied-contact { display: flex; flex-direction: column; gap: .5rem; }
.pied-bas { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.25rem 1.5rem; border-top: 1px solid rgba(255,255,255,.08); font-size: .88rem; }
@media (max-width: 760px) { .pied-grille { grid-template-columns: 1fr; } }

/* ---------- Page texte ---------- */
.page-texte { padding-block: 4rem 5rem; }
.page-texte h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 2rem; color: var(--vert); }
.page-texte h2 { font-size: 1.4rem; margin: 2.25rem 0 .6rem; color: var(--vert); }
.page-texte p { margin-bottom: .8rem; }
.a-completer { background: #FBEBC4; padding: 0 .25rem; }

/* ---------- Mouvement réduit ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; transition-duration: .001ms !important; }
  .serp-requete::after { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .leviers { grid-template-columns: repeat(2, 1fr); }
  .serp-zone, .suivi-grille { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 900px) {
  .hero .contenu, .contact .contenu { grid-template-columns: 1fr; gap: 2rem; }
  .monogramme { justify-self: start; max-width: 150px; order: -1; }
  .etapes li { grid-template-columns: 1fr; }
  .offres, .chantiers { grid-template-columns: 1fr; }
  .engagements { grid-template-columns: 1fr; }
  .engagements > div, .engagements > div:nth-child(even) { padding: 1.5rem 0; border-left: 0; }
  .menu-bouton { display: inline-block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; padding: .5rem var(--gouttiere) 1rem; background: rgba(31,58,46,.97); }
  .nav.ouvert { display: flex; }
  .nav a { padding: .8rem .25rem; border-bottom: 1px solid rgba(255,255,255,.08); border-radius: 0; }
  .nav a.actif::after { display: none; }
  .nav .nav-cta { margin: .75rem 0 0; text-align: center; border-radius: 4px; border: 0; }
}
@media (max-width: 640px) {
  .deux-col, .leviers, .kpis { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(3, 1fr); gap: .5rem; }
  .kpi { padding: .6rem; }
  .kpi strong { font-size: 1.25rem; }
  .inclus { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .monogramme { max-width: 120px; }
  .serp-liste li { padding-inline: .8rem; }
}

/* Carte interlocuteur */
.interlocuteur { display: flex; align-items: center; gap: 1.1rem; padding: 1rem 1.25rem 1rem 1rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 999px 12px 12px 999px; -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); max-width: 30rem; }
.interlocuteur img { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; flex: none; box-shadow: 0 0 0 3px var(--vert), 0 0 0 5px var(--moutarde); }
.interlocuteur strong { display: block; font-family: var(--titre); font-size: 1.35rem; font-weight: 600; }
.interlocuteur span { color: var(--texte-clair); font-size: .95rem; }

/* ---------- FAQ ---------- */
.faq-grille { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3.5rem; align-items: start; }
.faq-grille .intro-section { position: sticky; top: calc(var(--entete-h) + 2rem); margin-bottom: 0; }
.questions { display: grid; gap: .75rem; }
.question { background: var(--blanc); border: 1px solid #E6DECB; border-radius: 10px; padding: 0 1.25rem; box-shadow: 0 1px 0 rgba(31,58,46,.04); transition: border-color .3s, box-shadow .3s; }
.question:hover { border-color: #D9CDB0; }
.question[open] { border-color: var(--moutarde); box-shadow: 0 14px 34px -22px rgba(31,58,46,.35); }
.question summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding: 1.2rem .25rem; font-family: var(--titre); font-weight: 600; font-size: 1.15rem; color: var(--vert); font-variation-settings: "opsz" 24; transition: color .2s; }
.question summary::-webkit-details-marker { display: none; }
.question summary:hover { color: var(--moutarde-texte); }
.signe { position: relative; width: 22px; height: 22px; flex: none; border-radius: 50%; border: 1.5px solid var(--moutarde); transition: background .3s, transform .4s var(--ease); }
.signe::before, .signe::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 1.5px; background: var(--vert); transform: translate(-50%, -50%); transition: transform .4s var(--ease); }
.signe::after { transform: translate(-50%, -50%) rotate(90deg); }
.question[open] .signe { background: var(--moutarde); transform: rotate(180deg); }
.question[open] .signe::after { transform: translate(-50%, -50%) rotate(0deg); }
.question p { padding: 0 .25rem 1.4rem; color: var(--texte-doux); max-width: 40rem; }
.question[open] p { animation: deplie .35s var(--ease); }
@keyframes deplie { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- Ce qui vous appartient (coffre) ---------- */
.coffre { position: relative; background: var(--vert); color: var(--blanc); overflow: hidden; isolation: isolate; }
.coffre::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(600px circle at 12% 0%, rgba(217,164,65,.14), transparent 60%); }
.coffre-n { position: absolute; z-index: -1; right: -6rem; top: -3rem; width: min(30rem, 55vw); transform: rotate(-8deg); pointer-events: none; opacity: .55; }
.coffre-n rect { fill: rgba(255,255,255,.025); stroke: none; }
.coffre-n path { fill: rgba(217,164,65,.07); stroke: none; }
.coffre-tete { max-width: 40rem; margin-bottom: 3rem; }
.coffre-tete h2 { color: var(--blanc); }
.coffre-tete p { color: var(--texte-clair); margin-top: 1rem; font-size: 1.12rem; }
.coffre-grille { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.coffre-carte { position: relative; display: flex; flex-direction: column; padding: 1.75rem 1.5rem 1.5rem; border-radius: 12px;
  background: #24443A; border: 1px solid rgba(255,255,255,.08);
  transition: transform .45s var(--ease), background .3s, border-color .3s; overflow: hidden; }
.coffre-carte::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--moutarde); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.coffre-carte:hover { transform: translateY(-6px); background: #284B40; border-color: rgba(217,164,65,.45); }
.coffre-carte:hover::after { transform: scaleX(1); }
.coffre-icone { width: 44px; height: 44px; padding: 10px; border-radius: 50%; background: rgba(217,164,65,.14); fill: none; stroke: var(--moutarde); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: background .3s, transform .45s var(--ease); }
.coffre-carte:hover .coffre-icone { background: var(--moutarde); stroke: var(--vert); transform: rotate(-8deg) scale(1.06); }
.coffre-carte h3 { color: var(--blanc); font-size: 1.2rem; margin-top: 1.25rem; }
.coffre-carte p { color: var(--texte-clair); margin-top: .6rem; font-size: .98rem; flex: 1; }
.coffre-etiquette { align-self: flex-start; margin-top: 1.25rem; font-size: .8rem; font-weight: 600; letter-spacing: .02em; color: var(--moutarde-clair); border: 1px solid rgba(217,164,65,.4); border-radius: 99px; padding: .25rem .7rem; }
@media (max-width: 1000px) { .coffre-grille { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .coffre-grille { grid-template-columns: 1fr; } .coffre-n { width: 18rem; right: -7rem; top: -2rem; } }

/* Apparition au défilement (activée par app.js seulement) */
.anim-ok .apparait { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 110ms); }
.anim-ok .apparait.vu { opacity: 1; transform: none; }
.anim-ok .coffre-carte.apparait.vu:hover { transform: translateY(-6px); transition-delay: 0s; }

/* ---------- FAQ : compléments ---------- */
.faq-nathan { display: flex; gap: 1rem; align-items: flex-start; margin-top: 2rem; padding: 1.25rem; background: var(--blanc); border: 1px solid #E6DECB; border-radius: 12px; max-width: 26rem; }
.faq-nathan img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; flex: none; box-shadow: 0 0 0 2px var(--blanc), 0 0 0 4px var(--moutarde); }
.faq-nathan strong { display: block; font-family: var(--titre); color: var(--vert); font-size: 1.1rem; }
.faq-nathan span { display: block; color: var(--texte-doux); font-size: .95rem; margin-top: .2rem; }
.faq-nathan a { display: inline-flex; gap: .35rem; margin-top: .6rem; font-weight: 600; color: var(--vert); text-decoration: none; border-bottom: 2px solid var(--moutarde); padding-bottom: 1px; }
.faq-nathan a span { display: inline; margin: 0; color: inherit; transition: transform .3s var(--ease); }
.faq-nathan a:hover span { transform: translateX(4px); }
.question summary { justify-content: flex-start; }
.q-num { flex: none; width: 2rem; font-family: var(--titre); font-size: 1rem; font-weight: 600; color: var(--moutarde-texte); font-variant-numeric: lining-nums tabular-nums; transition: color .3s; }
.q-texte { flex: 1; }
.question[open] .q-num { color: var(--moutarde); }
.question p { padding-left: 3.75rem; }
@media (max-width: 560px) { .question p { padding-left: .25rem; } }
/* Ouverture fluide (navigateurs récents) */
@supports (interpolate-size: allow-keywords) {
  .faq-grille { interpolate-size: allow-keywords; }
  .question::details-content { height: 0; overflow: clip; transition: height .45s var(--ease), content-visibility .45s allow-discrete; }
  .question[open]::details-content { height: auto; }
}

/* ---------- Barre d'action mobile ---------- */
.barre-mobile { display: none; }
@media (max-width: 900px) {
  .faq-grille { grid-template-columns: 1fr; gap: 2rem; }
  .faq-grille .intro-section { position: static; }
  .barre-mobile { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; padding: .75rem var(--gouttiere) calc(.75rem + env(safe-area-inset-bottom, 0px)); background: rgba(31,58,46,.94); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 -10px 30px rgba(0,0,0,.18); transform: translateY(110%); transition: transform .4s var(--ease); }
  .barre-mobile.visible { transform: none; }
  .barre-mobile .bouton { width: 100%; justify-content: center; }
  body.barre-active .haut { bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px)); }
}

/* ---------- Logo animé de l'en-tête (version courte de l'animation de marque) ---------- */
.entete:not(.pret) .marque .logo .jambage { transform-box: fill-box; animation: monte .7s var(--ease) both; }
.entete:not(.pret) .marque .logo .jambage:nth-of-type(1) { transform-origin: bottom; animation-delay: .1s; }
.entete:not(.pret) .marque .logo .jambage:nth-of-type(2) { transform-origin: top; animation-delay: .25s; }
.entete:not(.pret) .marque .logo .diag { animation: diag-entree .6s var(--ease) .5s backwards; }
.entete:not(.pret) .marque .logo .empattement { stroke-dasharray: 22; animation: trace-court .4s ease-out .9s both; }
.entete:not(.pret) .marque-texte { animation: deplie-texte .8s cubic-bezier(.2,.7,.2,1) .85s both; }
.entete .marque-texte { display: inline-block; position: relative; }
@keyframes diag-entree { from { opacity: 0; transform: translate(-6px, -8px); } to { opacity: 1; transform: none; } }
@keyframes trace-court { from { stroke-dashoffset: 22; } to { stroke-dashoffset: 0; } }
@keyframes deplie-texte { from { clip-path: inset(0 100% 0 0); transform: translateX(-8px); } to { clip-path: inset(0 0 0 0); transform: none; } }

/* Survol du logo : la nervure traverse le N, les jambages encaissent, un trait moutarde souligne le nom */
.entete .marque .logo .jambage { transform-box: fill-box; }
.entete .marque .logo .jambage:nth-of-type(1) { transform-origin: bottom; }
.entete .marque .logo .jambage:nth-of-type(2) { transform-origin: top; }
.entete.pret .marque:hover .logo .diag, .entete.pret .marque:focus-visible .logo .diag { animation: nervure-traverse .75s var(--ease); }
.entete.pret .marque:hover .logo .jambage, .entete.pret .marque:focus-visible .logo .jambage { animation: jambage-encaisse .75s var(--ease); }
.entete .marque-texte::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--moutarde); border-radius: 1px; transform: scaleX(0); transform-origin: left; transition: transform .5s cubic-bezier(.2,.7,.2,1) .15s; }
.entete.pret .marque:hover .marque-texte::after, .entete.pret .marque:focus-visible .marque-texte::after { transform: scaleX(1); }
@keyframes nervure-traverse { 0% { transform: none; opacity: 1; } 38% { transform: translate(55%, 70%); opacity: 0; } 39% { transform: translate(-55%, -70%); opacity: 0; } 100% { transform: none; opacity: 1; } }
@keyframes jambage-encaisse { 0%, 100% { transform: none; } 45% { transform: scaleY(.82); } 70% { transform: scaleY(1.04); } }

/* ---------- Proposition de mini-audit (ne bloque rien, n'apparaît qu'une fois par semaine) ---------- */
.audit { position: fixed; right: 1.25rem; bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px)); z-index: 60; width: min(380px, calc(100vw - 2.5rem)); padding: 1.6rem 1.5rem 1.3rem; background: var(--vert); color: var(--blanc); border-radius: 12px; border-top: 4px solid var(--moutarde); box-shadow: 0 30px 70px -20px rgba(0,0,0,.5); transform: translateY(calc(100% + 2rem)); opacity: 0; transition: transform .55s var(--ease), opacity .4s ease; }
.audit.visible { transform: none; opacity: 1; }
.audit h2 { font-size: 1.45rem; line-height: 1.2; color: var(--blanc); margin-top: .7rem; padding-right: 1.5rem; }
.audit > p { color: var(--texte-clair); font-size: .98rem; margin-top: .55rem; }
.audit-pastille { display: inline-block; background: var(--moutarde); color: var(--noir); font-size: .82rem; font-weight: 600; padding: .2rem .6rem; border-radius: 3px; }
.audit-fermer { position: absolute; top: .7rem; right: .7rem; width: 36px; height: 36px; display: grid; place-items: center; background: transparent; border: 0; border-radius: 50%; color: var(--texte-clair); cursor: pointer; transition: background .2s, color .2s; }
.audit-fermer:hover { background: rgba(255,255,255,.08); color: var(--blanc); }
.audit-fermer svg { width: 20px; height: 20px; }
.audit-form { display: grid; gap: .45rem; margin-top: 1rem; }
.audit-form label { font-size: .88rem; font-weight: 600; }
.audit-form input { width: 100%; padding: .65rem .8rem; font: inherit; font-size: .98rem; color: var(--noir); background: var(--blanc); border: 2px solid transparent; border-radius: 4px; margin-bottom: .35rem; }
.audit-form input:focus { outline: none; border-color: var(--moutarde); box-shadow: 0 0 0 3px rgba(217,164,65,.3); }
.audit-form .bouton { justify-content: center; margin-top: .3rem; }
.audit-mention { font-size: .8rem; color: var(--texte-clair); max-width: none; }
.audit-mention:empty { display: none; }
@media (max-width: 640px) {
  .audit { left: 0; right: 0; bottom: 0; width: 100%; border-radius: 16px 16px 0 0; padding: 1.1rem 1.1rem calc(1rem + env(safe-area-inset-bottom, 0px)); }
  .audit h2 { font-size: 1.2rem; margin-top: .5rem; }
  .audit > p#audit-texte { display: none; }
  .audit-form { grid-template-columns: 1fr 1fr; gap: .35rem .6rem; margin-top: .7rem; }
  .audit-form label { font-size: .8rem; }
  .audit-form label[for="audit-site"] { grid-column: 1; grid-row: 1; } .audit-form #audit-site { grid-column: 1; grid-row: 2; }
  .audit-form label[for="audit-email"] { grid-column: 2; grid-row: 1; } .audit-form #audit-email { grid-column: 2; grid-row: 2; }
  .audit-form input { margin-bottom: 0; padding: .55rem .6rem; font-size: 16px; }
  .audit-form .bouton, .audit-mention { grid-column: 1 / -1; }
  body.audit-ouvert .barre-mobile, body.audit-ouvert .haut { opacity: 0; pointer-events: none; }
}

/* ---------- Page 404 ---------- */
.erreur { background: var(--vert); color: var(--blanc); min-height: calc(100vh - var(--entete-h)); display: grid; align-items: center; }
.erreur .contenu { display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: center; padding-block: 4rem; }
.erreur-code { font-family: var(--titre); font-weight: 650; font-size: clamp(5rem, 16vw, 11rem); line-height: 1; color: var(--moutarde); font-variation-settings: "opsz" 144; letter-spacing: -0.03em; }
.erreur h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-top: .5rem; max-width: 16ch; }
.erreur .chapo { color: var(--texte-clair); font-size: 1.15rem; margin-top: 1.1rem; max-width: 34rem; }
.erreur-liens { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin-top: 1.6rem; }
.erreur-liens a { color: var(--creme); }
.erreur-liens a:hover { color: var(--moutarde); }
.erreur .serp-mini { width: min(360px, 80vw); background: var(--blanc); border-radius: 10px; overflow: hidden; box-shadow: 0 30px 70px -30px rgba(0,0,0,.6); }
.serp-mini .barre { display: flex; gap: .6rem; align-items: center; padding: .8rem 1rem; border-bottom: 1px solid var(--filet); color: var(--noir); font-size: .95rem; }
.serp-mini .barre svg { width: 16px; height: 16px; color: var(--texte-doux); }
.serp-mini .ligne { height: .55rem; border-radius: 3px; background: #E4E8E5; margin: .45rem 1rem 0; }
.serp-mini .ligne.t { height: .75rem; width: 55%; background: #CDD7D0; margin-top: 1rem; }
.serp-mini .ligne.c { width: 75%; }
.serp-mini .vide { margin: 1rem; padding: .8rem; border: 2px dashed var(--moutarde); border-radius: 8px; color: var(--moutarde-texte); font-size: .9rem; font-weight: 600; text-align: center; }
@media (max-width: 760px) { .erreur .contenu { grid-template-columns: 1fr; } .erreur .serp-mini { display: none; } }