/* ==========================================================================
   Construction AVQ inc. — Feuille de style principale
   Construire avec rigueur. Réaliser avec précision.
   ========================================================================== */

/* --------------------------------------------------------- 1. Design tokens */
:root {
  --entete-h: 84px;        /* hauteur de l'en-tête, reprise en marge du corps */

  /* Couleurs */
  --noir:        #0E0F11;
  --anthracite:  #16181C;
  --graphite:    #22252A;
  --acier:       #3A3F46;
  --gris:        #6E7378;
  --gris-moyen:  #9AA0A6;
  --gris-clair:  #E2E4E7;
  --gris-pale:   #F4F5F6;
  --blanc:       #FFFFFF;

  --accent:      #E0A33E;   /* doré repris du logo — 8,6:1 sur fond anthracite */
  --accent-fort: #8F6612;   /* variante foncée pour le texte sur fond clair — 5,1:1 sur blanc */
  --accent-doux: rgba(224, 163, 62, 0.14);
  --marine:      #1B3663;   /* bleu marine du logo */

  --texte:       #16181C;
  --texte-doux:  #5A6067;
  --bordure:     #E2E4E7;
  --bordure-sombre: rgba(255, 255, 255, 0.10);

  /* Typographie */
  --font-titre: 'Archivo', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-texte: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Rythme */
  --max:        1280px;
  --max-etroit: 860px;
  --gouttiere:  clamp(20px, 5vw, 64px);
  --section-y:  clamp(64px, 9vw, 132px);

  /* Divers */
  --transition: 420ms cubic-bezier(0.22, 0.61, 0.36, 1);
  --ombre:      0 24px 60px -28px rgba(14, 15, 17, 0.45);
  --ombre-forte:0 40px 90px -40px rgba(14, 15, 17, 0.70);
}

/* ------------------------------------------------------------- 2. Réglages */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  padding-top: var(--entete-h);   /* l'en-tête est fixe et opaque */
  background: var(--blanc);
  color: var(--texte);
  font-family: var(--font-texte);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-titre);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.15rem, 5.4vw, 3.95rem); text-transform: uppercase; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); text-transform: uppercase; }
h3 { font-size: clamp(1.15rem, 1.9vw, 1.45rem); letter-spacing: -0.01em; }
h4 { font-size: 1.05rem; letter-spacing: 0; }
p  { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--accent); color: var(--noir); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ------------------------------------------------------------ 3. Utilitaires */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gouttiere);
}
.wrap--etroit { max-width: var(--max-etroit); }

.section { padding-block: var(--section-y); }
.section--sombre { background: var(--noir); color: var(--gris-clair); }
.section--sombre h2, .section--sombre h3 { color: var(--blanc); }
.section--gris { background: var(--gris-pale); }

.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;
}

.skip {
  position: absolute; left: 12px; top: -100px; z-index: 200;
  background: var(--accent); color: var(--noir); padding: 12px 20px;
  font-weight: 700; transition: top 200ms;
}
.skip:focus { top: 12px; }

/* Sur-titre / étiquette */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.22em; color: var(--accent-fort); margin-bottom: 22px;
}
.eyebrow::before {
  content: ""; width: 34px; height: 2px; background: var(--accent); flex: none;
}
.section--sombre .eyebrow { color: var(--accent); }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.6;
  color: var(--texte-doux);
  max-width: 62ch;
}
.section--sombre .lead { color: var(--gris-moyen); }

.mesure { max-width: 66ch; }
.center { text-align: center; }
.center .eyebrow { justify-content: center; }
.center .lead { margin-inline: auto; }

.regle { height: 1px; background: var(--bordure); border: 0; margin: 0; }
.section--sombre .regle { background: var(--bordure-sombre); }

/* ---------------------------------------------------------------- 4. Boutons */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: var(--noir);
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 17px 30px;
  background: var(--btn-bg); color: var(--btn-fg);
  font-family: var(--font-titre);
  font-size: 0.80rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.13em;
  border: 1px solid var(--btn-bg);
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 200ms;
  text-align: center;
}
.btn:hover { background: var(--noir); border-color: var(--noir); color: var(--blanc); }
.btn:active { transform: translateY(1px); }
.btn .fl { transition: transform var(--transition); flex: none; }
.btn:hover .fl { transform: translateX(5px); }

.btn--ligne { --btn-bg: transparent; --btn-fg: var(--noir); border-color: var(--noir); }
.btn--ligne:hover { background: var(--noir); color: var(--blanc); }

.btn--clair { --btn-bg: transparent; --btn-fg: var(--blanc); border-color: rgba(255,255,255,0.42); }
.btn--clair:hover { background: var(--blanc); color: var(--noir); border-color: var(--blanc); }

.btn--blanc { --btn-bg: var(--blanc); --btn-fg: var(--noir); }
.btn--blanc:hover { background: var(--accent); border-color: var(--accent); color: var(--noir); }

.btn-groupe { display: flex; flex-wrap: wrap; gap: 14px; }
.center .btn-groupe { justify-content: center; }

/* Lien fléché */
.lien-fleche {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-titre); font-weight: 700;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.13em;
  color: var(--noir); padding-bottom: 6px;
  border-bottom: 2px solid var(--accent);
  transition: gap var(--transition), color var(--transition);
}
.lien-fleche:hover { gap: 18px; color: var(--accent-fort); }
.section--sombre .lien-fleche { color: var(--blanc); }
.section--sombre .lien-fleche:hover { color: var(--accent); }

/* ------------------------------------------------------------- 5. En-tête */
.entete {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: var(--blanc);
  border-bottom: 1px solid var(--bordure);
  transition: box-shadow var(--transition), border-color var(--transition);
}
/* L'en-tête a son propre conteneur : plus large et moins gouttiéré que le reste
   du site, afin que la navigation complète et le bouton d'appel tiennent sur une ligne. */
.entete .wrap { max-width: 1560px; padding-inline: clamp(20px, 3vw, 40px); }
.entete__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  height: var(--entete-h);
}
.nav { min-width: 0; flex-wrap: nowrap; }
.entete.is-compact {
  box-shadow: 0 14px 34px -26px rgba(14, 15, 17, 0.55);
  border-bottom-color: #D3D6DA;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 13px; flex: none; }
.logo__image {
  height: 54px; width: auto; display: block; flex: none;
  transition: height var(--transition), opacity var(--transition);
}
.entete.is-compact .logo__image { height: 46px; }
.logo:hover .logo__image { opacity: 0.86; }

/* Pied de page : le logo respire davantage. */
.logo--pied .logo__image { height: auto; width: 250px; max-width: 100%; }

.logo__texte { display: flex; flex-direction: column; line-height: 1.05; }
.logo__nom {
  font-family: var(--font-titre); font-weight: 800; font-size: 1.02rem;
  text-transform: uppercase; letter-spacing: 0.03em; color: var(--blanc);
}
.logo__tag {
  font-size: 0.545rem; text-transform: uppercase; letter-spacing: 0.155em;
  color: var(--gris-moyen); margin-top: 4px; font-weight: 600;
}

/* Navigation */
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative;
  padding: 10px 13px;
  font-family: var(--font-titre);
  font-size: 0.735rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.10em;
  color: var(--texte-doux);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.nav a:hover { color: var(--noir); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--noir); }

.entete .btn-nav {
  flex: none; padding: 14px 22px; font-size: 0.72rem; letter-spacing: 0.12em;
  margin-left: 10px;
}

/* Bouton menu mobile */
.burger {
  display: none; width: 46px; height: 46px; flex: none;
  background: transparent; border: 1px solid var(--bordure);
  cursor: pointer; padding: 0; position: relative;
}
.burger span {
  position: absolute; left: 12px; right: 12px; height: 2px; background: var(--noir);
  transition: transform 320ms cubic-bezier(0.22,0.61,0.36,1), opacity 200ms;
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Panneau mobile */
.menu-mobile {
  position: fixed; inset: 0; z-index: 99;
  background: var(--blanc);
  padding: calc(var(--entete-h) + 20px) var(--gouttiere) 40px;
  display: flex; flex-direction: column;
  overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity 320ms, transform 320ms, visibility 320ms;
}
.menu-mobile.is-ouvert { opacity: 1; visibility: visible; transform: none; }
.menu-mobile a.m-lien {
  font-family: var(--font-titre); font-weight: 700;
  font-size: 1.55rem; text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--noir);
  padding: 17px 0;
  border-bottom: 1px solid var(--bordure);
  display: flex; align-items: center; justify-content: space-between;
}
.menu-mobile a.m-lien span { color: var(--accent-fort); font-size: 0.72rem; letter-spacing: 0.1em; }
.menu-mobile .btn { margin-top: 30px; width: 100%; padding: 20px; }
.menu-mobile__coord {
  margin-top: auto; padding-top: 34px; color: var(--texte-doux); font-size: 0.9rem;
}
.menu-mobile__coord a { color: var(--noir); font-weight: 600; }

/* ------------------------------------------------------------------- 6. Hero */
.hero {
  position: relative;
  min-height: min(calc(94vh - var(--entete-h)), 860px);
  display: flex; align-items: flex-end;
  background: var(--noir);
  overflow: hidden;
  padding-top: clamp(40px, 6vw, 80px);
}
.hero--compact { min-height: min(66vh, 640px); }

.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 16s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }

.hero__voile {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to top, rgba(14,15,17,0.96) 0%, rgba(14,15,17,0.72) 34%, rgba(14,15,17,0.34) 66%, rgba(14,15,17,0.62) 100%),
    linear-gradient(to right, rgba(14,15,17,0.80) 0%, rgba(14,15,17,0.18) 62%, rgba(14,15,17,0.42) 100%);
}
.hero__grille {
  position: absolute; inset: 0; z-index: 1; opacity: 0.16;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.20) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.20) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 78%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 78%);
}

.hero__contenu {
  position: relative; z-index: 2;
  width: 100%;
  padding-bottom: clamp(48px, 7vw, 96px);
  color: var(--blanc);
}
.hero__contenu .eyebrow { color: var(--accent); }
.hero h1 { color: var(--blanc); margin-bottom: 26px; }
.hero__sous {
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  color: rgba(255,255,255,0.82);
  max-width: 58ch; margin-bottom: 38px; line-height: 1.6;
}
.hero .btn-groupe { margin-bottom: 0; }

/* Bandeau de mots-clés sous le hero */
.hero__bandeau {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 26px; margin-top: 44px;
  display: flex; flex-wrap: wrap; gap: 12px 34px;
  font-family: var(--font-titre); font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em; color: rgba(255,255,255,0.62);
}
.hero__bandeau span { display: inline-flex; align-items: center; gap: 10px; }
.hero__bandeau span::before { content: ""; width: 5px; height: 5px; background: var(--accent); }

/* Hero de page intérieure */
.pagehero {
  position: relative; background: var(--noir); color: var(--blanc);
  padding: clamp(64px, 9vw, 118px) 0 clamp(56px, 7vw, 92px);
  overflow: hidden;
}
.pagehero__media { position: absolute; inset: 0; }
.pagehero__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.pagehero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(14,15,17,0.97), rgba(14,15,17,0.62) 55%, rgba(14,15,17,0.78));
}
.pagehero .wrap { position: relative; z-index: 2; }
.pagehero h1 { margin-bottom: 20px; max-width: 20ch; }
.pagehero .lead { color: rgba(255,255,255,0.78); }

/* Fil d'Ariane */
.ariane {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: rgba(255,255,255,0.52); margin-bottom: 26px; font-weight: 600;
}
.ariane a { color: rgba(255,255,255,0.72); transition: color var(--transition); }
.ariane a:hover { color: var(--accent); }
.ariane span[aria-hidden] { color: var(--accent); }

/* ------------------------------------------------------------- 7. Grilles */
.grille { display: grid; gap: 2px; }
.grille--3 { grid-template-columns: repeat(3, 1fr); }
.grille--2 { grid-template-columns: repeat(2, 1fr); }
.grille--4 { grid-template-columns: repeat(4, 1fr); }
.grille--espacee { gap: clamp(24px, 3vw, 48px); }

/* Trois piliers (sous le hero) */
.piliers {
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--noir); color: var(--blanc);
  gap: 1px;
}
.pilier {
  background: var(--noir);
  padding: clamp(36px, 4.4vw, 64px) clamp(26px, 3vw, 48px);
  position: relative;
  border-left: 1px solid rgba(255,255,255,0.09);
  transition: background var(--transition);
  display: flex; flex-direction: column;
}
.pilier:first-child { border-left: 0; }
.pilier:hover { background: #131518; }
.pilier__num {
  font-family: var(--font-titre); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.2em; color: var(--accent); margin-bottom: 22px;
}
.pilier h3 {
  color: var(--blanc); text-transform: uppercase; font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  letter-spacing: 0.01em; margin-bottom: 14px;
}
.pilier p { color: var(--gris-moyen); font-size: 0.955rem; margin-bottom: 24px; }
.pilier .lien-fleche { margin-top: auto; align-self: flex-start; font-size: 0.7rem; color: var(--blanc); }
.pilier .lien-fleche:hover { color: var(--accent); }
.pilier::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.pilier:hover::after { transform: scaleX(1); }

/* Carte de service */
.carte {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  padding: clamp(28px, 3vw, 44px);
  display: flex; flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.carte:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--ombre); }
.carte__ico {
  width: 52px; height: 52px; margin-bottom: 24px;
  display: grid; place-items: center;
  background: var(--accent-doux); color: var(--accent-fort);
}
.carte__ico svg { width: 26px; height: 26px; }
.carte h3 { text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 12px; }
.carte p { color: var(--texte-doux); font-size: 0.96rem; }
.carte .lien-fleche { margin-top: 26px; align-self: flex-start; }

/* Carte sur fond sombre */
.section--sombre .carte {
  background: var(--anthracite); border-color: rgba(255,255,255,0.10); color: var(--gris-clair);
}
.section--sombre .carte p { color: var(--gris-moyen); }
.section--sombre .carte:hover { border-color: var(--accent); }
.section--sombre .carte__ico { background: rgba(224,163,62,0.16); color: var(--accent); }

/* Avantages numérotés */
.avantage {
  padding: clamp(28px, 3vw, 40px) 0;
  border-top: 1px solid var(--bordure);
  display: grid; grid-template-columns: 84px 1fr; gap: clamp(16px, 3vw, 40px);
  align-items: start;
}
.section--sombre .avantage { border-top-color: rgba(255,255,255,0.12); }
.avantage__num {
  font-family: var(--font-titre); font-weight: 800; font-size: 1.5rem;
  color: var(--accent); letter-spacing: -0.02em; padding-top: 2px;
}
.avantage h3 { text-transform: uppercase; margin-bottom: 8px; }
.avantage p { color: var(--texte-doux); margin: 0; max-width: 68ch; }
.section--sombre .avantage p { color: var(--gris-moyen); }

/* Duo texte + image */
.duo {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 88px); align-items: center;
}
.duo--inverse .duo__media { order: -1; }
.duo__media { position: relative; }
.duo__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.duo__media--haut img { aspect-ratio: 3 / 4; }
.duo__cadre::before {
  content: ""; position: absolute; inset: -18px -18px auto auto;
  width: 46%; height: 52%; border-top: 3px solid var(--accent); border-right: 3px solid var(--accent);
  z-index: -1;
}
.duo__cadre { position: relative; z-index: 1; }

/* Statistiques */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.12); }
.stat { background: var(--noir); padding: clamp(26px, 3vw, 40px) clamp(18px, 2vw, 32px); }
.stat__val {
  font-family: var(--font-titre); font-weight: 800; font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  color: var(--blanc); letter-spacing: -0.03em; line-height: 1; margin-bottom: 12px;
}
.stat__val em { color: var(--accent); font-style: normal; }
.stat__lib {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--gris-moyen); font-weight: 600;
}

/* Liste à puces personnalisée */
.liste { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.liste li {
  position: relative; padding-left: 30px; color: var(--texte-doux); font-size: 0.98rem;
}
.liste li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 12px; height: 2px; background: var(--accent);
}
.section--sombre .liste li { color: var(--gris-moyen); }
.liste--2 { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px 32px; }
.liste--3 { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px 32px; }

/* Étapes du processus */
.etapes { display: grid; gap: 0; counter-reset: etape; }
.etape {
  display: grid; grid-template-columns: minmax(120px, 170px) 1fr;
  gap: clamp(20px, 4vw, 56px);
  padding: clamp(30px, 3.6vw, 52px) 0;
  border-top: 1px solid var(--bordure);
  align-items: start;
  position: relative;
}
.etape:last-child { border-bottom: 1px solid var(--bordure); }
.section--sombre .etape { border-top-color: rgba(255,255,255,0.12); }
.section--sombre .etape:last-child { border-bottom-color: rgba(255,255,255,0.12); }
.etape__num {
  font-family: var(--font-titre); font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--acier);
  letter-spacing: -0.04em;
  transition: color var(--transition), -webkit-text-stroke-color var(--transition);
}
.etape:hover .etape__num { color: var(--accent); -webkit-text-stroke-color: var(--accent); }
.etape h3 { text-transform: uppercase; margin-bottom: 10px; }
.etape p { color: var(--texte-doux); margin: 0; max-width: 66ch; }
.section--sombre .etape p { color: var(--gris-moyen); }

/* Étapes en grille (cartes) */
.etapes-grille { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--bordure); }
.section--sombre .etapes-grille { background: rgba(255,255,255,0.12); }
.etape-carte {
  background: var(--blanc); padding: clamp(28px, 3vw, 42px);
  position: relative; transition: background var(--transition);
}
.section--sombre .etape-carte { background: var(--noir); }
.etape-carte:hover { background: var(--gris-pale); }
.section--sombre .etape-carte:hover { background: var(--anthracite); }
.etape-carte__num {
  font-family: var(--font-titre); font-weight: 800; font-size: 0.78rem;
  letter-spacing: 0.16em; color: var(--accent); margin-bottom: 18px;
}
.etape-carte h3 { text-transform: uppercase; font-size: 1.08rem; margin-bottom: 10px; }
.etape-carte p { color: var(--texte-doux); font-size: 0.94rem; margin: 0; }
.section--sombre .etape-carte p { color: var(--gris-moyen); }

/* ---------------------------------------------------- 8. Galerie réalisations */
.filtres {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px;
}
.filtre {
  background: transparent; border: 1px solid var(--bordure);
  padding: 11px 20px; cursor: pointer;
  font-family: var(--font-titre); font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--texte-doux);
  transition: all var(--transition);
}
.filtre:hover { border-color: var(--noir); color: var(--noir); }
.filtre.is-actif { background: var(--noir); border-color: var(--noir); color: var(--blanc); }

.galerie { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.projet {
  position: relative; background: var(--noir); overflow: hidden;
  border: 0; padding: 0; margin: 0; text-align: left; cursor: pointer; color: var(--blanc);
  display: block; width: 100%;
}
.projet figcaption { margin: 0; }
.projet__img { display: block; position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.projet__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 900ms cubic-bezier(0.22,0.61,0.36,1), opacity var(--transition);
}
.projet:hover .projet__img img { transform: scale(1.07); }
.projet__voile {
  position: absolute; inset: 0;
  background: linear-gradient(to top,
    rgba(14,15,17,0.96) 0%, rgba(14,15,17,0.88) 22%, rgba(14,15,17,0.46) 52%, rgba(14,15,17,0.10) 100%);
  transition: opacity var(--transition);
}
.projet__txt { position: absolute; left: 0; right: 0; bottom: 0; padding: clamp(20px, 2.4vw, 30px); }

/* Vitrine de la page Carrelage : une seule étiquette à lire, donc un voile
   bien plus léger — les photos doivent rester le sujet. */
.projet--vitrine { cursor: default; }
.projet--vitrine .projet__voile {
  background: linear-gradient(to top,
    rgba(14,15,17,0.80) 0%, rgba(14,15,17,0.38) 26%, rgba(14,15,17,0.04) 62%, transparent 100%);
}
.projet--vitrine:hover .projet__img img { transform: scale(1.04); }
.projet__cat, .projet__titre, .projet__meta { display: block; }
.projet__cat {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--accent); font-weight: 700; margin-bottom: 10px; display: block;
}
.projet__titre {
  font-family: var(--font-titre); font-weight: 700; font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  text-transform: uppercase; line-height: 1.15; margin-bottom: 8px;
}
.projet__meta { font-size: 0.82rem; color: rgba(255,255,255,0.66); }
.projet__plus {
  position: absolute; top: 16px; right: 16px;
  width: 40px; height: 40px; display: grid; place-items: center;
  background: rgba(14,15,17,0.62); color: var(--blanc);
  opacity: 0; transform: translateY(-6px); transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.22);
}
.projet:hover .projet__plus { opacity: 1; transform: none; }
.projet.est-masque { display: none; }

/* Image de la fiche de projet */
.modale__media { background: var(--noir); }
.modale__img {
  /* Bandeau contenu : la photo situe le projet, mais la fiche doit rester
     lisible sans avoir à faire défiler. */
  display: block; width: 100%; height: auto;
  aspect-ratio: 3 / 2; max-height: 38vh; object-fit: cover;
}

/* Modale projet */
.modale {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(9, 10, 11, 0.90);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: clamp(14px, 3vw, 40px);
  opacity: 0; visibility: hidden; transition: opacity 280ms, visibility 280ms;
}
.modale.is-ouvert { opacity: 1; visibility: visible; }
.modale__boite {
  background: var(--blanc); max-width: 780px; width: 100%;
  max-height: 92vh; overflow-y: auto; position: relative;
  transform: translateY(14px); transition: transform 320ms;
}
.modale.is-ouvert .modale__boite { transform: none; }
.modale__fermer {
  position: absolute; top: 0; right: 0; z-index: 3;
  width: 54px; height: 54px; border: 0; background: var(--noir); color: var(--blanc);
  cursor: pointer; font-size: 1.2rem; line-height: 1;
  transition: background var(--transition);
}
.modale__fermer:hover { background: var(--accent); color: var(--noir); }
.modale__corps { padding: clamp(26px, 3.4vw, 46px); }
.modale__corps h3 { text-transform: uppercase; font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 6px; }
.modale__cat {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--accent-fort); font-weight: 700; margin-bottom: 18px; display: block;
}
.modale__grille {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 22px; margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--bordure);
}
.modale__fiche dt {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--gris); font-weight: 700; margin-bottom: 7px;
}
.modale__fiche dd { margin: 0; font-size: 0.95rem; }

/* ------------------------------------------------------------ 9. Formulaires */
.form { display: grid; gap: 22px; }
.champ { display: flex; flex-direction: column; gap: 9px; }
.champ label {
  font-family: var(--font-titre); font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--texte);
}
.champ label .req { color: var(--accent-fort); }
.champ input, .champ select, .champ textarea {
  font-family: var(--font-texte); font-size: 1rem; color: var(--texte);
  background: var(--blanc);
  border: 1px solid var(--bordure);
  padding: 15px 16px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  border-radius: 0;
  -webkit-appearance: none; appearance: none;
}
.champ select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236E7378' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; background-size: 12px;
  padding-right: 44px;
}
.champ textarea { min-height: 158px; resize: vertical; }
.champ input:focus, .champ select:focus, .champ textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-doux);
}
.champ input:user-invalid, .champ textarea:user-invalid { border-color: #B3261E; }
.champ__aide { font-size: 0.8rem; color: var(--gris); }
.champ__erreur { font-size: 0.8rem; color: #B3261E; font-weight: 600; display: none; }
.champ.a-erreur .champ__erreur { display: block; }
.champ.a-erreur input, .champ.a-erreur select, .champ.a-erreur textarea { border-color: #B3261E; }

.form__rangee { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.form__rangee--3 { grid-template-columns: repeat(3, 1fr); }

.form fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 22px; }
.form legend {
  font-family: var(--font-titre); font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent-fort);
  padding: 0 0 6px; margin-bottom: 6px; width: 100%; border-bottom: 1px solid var(--bordure);
}

.depot {
  border: 1.5px dashed var(--bordure); padding: 30px 22px; text-align: center;
  cursor: pointer; transition: border-color var(--transition), background var(--transition);
  background: var(--gris-pale);
}
.depot:hover, .depot.est-survol { border-color: var(--accent); background: var(--accent-doux); }
.depot strong { display: block; font-family: var(--font-titre); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.1em; margin-bottom: 6px; }
.depot span { font-size: 0.85rem; color: var(--gris); }
.depot input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.depot__liste { margin-top: 14px; font-size: 0.85rem; color: var(--texte); text-align: left; display: grid; gap: 6px; }
.depot__liste li { list-style: none; display: flex; gap: 8px; align-items: center; }
.depot__liste li::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex: none; }

.consentement { display: flex; gap: 12px; align-items: flex-start; font-size: 0.88rem; color: var(--texte-doux); }
.consentement input { width: 20px; height: 20px; flex: none; margin-top: 2px; accent-color: var(--accent-fort); }

.form__etat { display: none; padding: 18px 20px; border-left: 3px solid var(--accent); background: var(--accent-doux); font-size: 0.94rem; }
.form__etat.est-visible { display: block; }
.form__etat.est-erreur { border-left-color: #B3261E; background: rgba(179,38,30,0.07); }

/* Champ anti-pourriel */
.pot-de-miel { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ------------------------------------------------------------- 10. Contact */
.coord-grille { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--bordure); }
.coord { background: var(--blanc); padding: clamp(24px, 3vw, 36px); }
.coord dt {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--gris); font-weight: 700; margin-bottom: 10px;
}
.coord dd { margin: 0; font-size: 1.02rem; font-weight: 600; overflow-wrap: anywhere; }
/* Les adresses courriel longues doivent tenir dans leur colonne sans la faire déborder. */
.courriel { overflow-wrap: anywhere; }
.coord dd .courriel { font-size: 0.95rem; letter-spacing: -0.005em; }
.pied .courriel { overflow-wrap: anywhere; }
.coord dd a { transition: color var(--transition); }
.coord dd a:hover { color: var(--accent-fort); }
.coord dd small { display: block; font-weight: 400; font-size: 0.86rem; color: var(--texte-doux); margin-top: 6px; }

/* Carte du territoire */
.territoire { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
.carte-qc { background: var(--noir); padding: clamp(20px, 3vw, 36px); position: relative; }
.carte-qc svg { width: 100%; height: auto; display: block; }
.carte-qc .zone { fill: #1E2126; stroke: #333940; stroke-width: 1.4; }
.carte-qc .zone-desservie { fill: rgba(224,163,62,0.20); stroke: var(--accent); stroke-width: 2; }
.carte-qc .eau { fill: #101317; stroke: #2A3037; stroke-width: 1; }
.carte-qc .trame path { stroke: rgba(255,255,255,0.045); stroke-width: 1; fill: none; }
.carte-qc .ville { fill: var(--blanc); }
.carte-qc .ville-nom { fill: rgba(255,255,255,0.74); font-size: 15px; font-family: var(--font-texte); font-weight: 600; }
.carte-qc .pole { fill: var(--accent); }
.carte-qc .pole-nom { fill: var(--blanc); font-size: 18px; font-family: var(--font-titre); font-weight: 800; letter-spacing: -0.01em; }
.carte-qc .region-nom { fill: rgba(255,255,255,0.30); font-size: 13px; font-family: var(--font-titre);
  font-weight: 700; letter-spacing: 0.14em; }
.carte-qc .fleuve-nom { fill: rgba(255,255,255,0.34); font-size: 12.5px; font-family: var(--font-texte);
  font-weight: 600; letter-spacing: 0.22em; }
.carte-qc .legende text { fill: var(--gris-moyen); font-size: 14px; font-family: var(--font-texte); }
.villes-liste { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.villes-liste li {
  list-style: none; padding: 8px 14px; border: 1px solid var(--bordure);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; color: var(--texte-doux);
}

/* -------------------------------------------------------------- 11. Appel CTA */
.cta {
  position: relative; background: var(--noir); color: var(--blanc); overflow: hidden;
  padding-block: clamp(64px, 8vw, 118px);
}
.cta__media { position: absolute; inset: 0; }
.cta__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.24; }
.cta::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(14,15,17,0.94) 34%, rgba(14,15,17,0.62));
}
.cta .wrap { position: relative; z-index: 2; }
.cta h2 { color: var(--blanc); max-width: 18ch; }
.cta .lead { color: rgba(255,255,255,0.76); }
.cta__inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 72px); align-items: end; }

/* Bandeau défilant */
.marquee {
  background: var(--accent); color: var(--noir); overflow: hidden;
  padding: 15px 0; border-block: 1px solid rgba(14,15,17,0.14);
}
.marquee__piste { display: flex; gap: 0; width: max-content; animation: defile 38s linear infinite; }
.marquee span {
  font-family: var(--font-titre); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em; padding: 0 26px;
  display: inline-flex; align-items: center; gap: 26px; white-space: nowrap;
}
.marquee span::after { content: ""; width: 6px; height: 6px; background: var(--noir); }
@keyframes defile { to { transform: translateX(-50%); } }

/* ------------------------------------------------------------ 12. Pied de page */
.pied { background: var(--noir); color: var(--gris-moyen); padding-top: clamp(56px, 7vw, 92px); }
.pied__haut { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: clamp(28px, 4vw, 56px); }
.pied h4 {
  color: var(--blanc); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.18em; margin-bottom: 20px; font-weight: 700;
}
.pied ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.pied a { color: var(--gris-moyen); font-size: 0.93rem; transition: color var(--transition); }
.pied a:hover { color: var(--accent); }
.pied__desc { font-size: 0.94rem; max-width: 38ch; margin: 22px 0 24px; }
.pied .logo__nom { font-size: 1.05rem; }
.pied__bas {
  margin-top: clamp(42px, 5vw, 68px); padding-block: 26px;
  border-top: 1px solid rgba(255,255,255,0.10);
  display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between;
  font-size: 0.82rem; color: var(--gris);
}
.pied__bas a { font-size: 0.82rem; }
.pied__slogan {
  font-family: var(--font-titre); font-weight: 700; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent);
}

/* Barre d'action mobile */
.barre-mobile {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: none; gap: 1px; background: rgba(255,255,255,0.12);
  transform: translateY(110%); transition: transform var(--transition);
  box-shadow: 0 -18px 40px -24px rgba(0,0,0,0.7);
}
.barre-mobile.est-visible { transform: none; }
.barre-mobile a {
  flex: 1; padding: 16px 10px; text-align: center;
  font-family: var(--font-titre); font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.11em;
  background: var(--noir); color: var(--blanc);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.barre-mobile a.principal { background: var(--accent); color: var(--noir); }

/* ------------------------------------------------------------ 13. FAQ / détails */
.faq { border-top: 1px solid var(--bordure); }
.faq details { border-bottom: 1px solid var(--bordure); }
.faq summary {
  cursor: pointer; list-style: none; padding: 24px 44px 24px 0; position: relative;
  font-family: var(--font-titre); font-weight: 700; font-size: clamp(1rem, 1.5vw, 1.12rem);
  transition: color var(--transition);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent-fort); }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 2px;
  background: var(--accent); transform: translateY(-50%); transition: transform var(--transition);
}
.faq summary::before {
  content: ""; position: absolute; right: 12px; top: 50%; width: 2px; height: 14px;
  background: var(--accent); transform: translateY(-50%); transition: transform var(--transition);
}
.faq details[open] summary::before { transform: translateY(-50%) scaleY(0); }
.faq details > div { padding: 0 44px 26px 0; color: var(--texte-doux); }

/* Encadré / note */
.encadre {
  border-left: 3px solid var(--accent); padding: clamp(20px, 2.6vw, 32px);
  background: var(--gris-pale);
}
.section--sombre .encadre { background: var(--anthracite); }
.encadre p:last-child { margin-bottom: 0; }
.encadre strong { color: var(--texte); }
.section--sombre .encadre strong { color: var(--blanc); }

/* Citation */
.citation {
  font-family: var(--font-titre); font-weight: 700;
  font-size: clamp(1.3rem, 2.7vw, 2.05rem); line-height: 1.28;
  letter-spacing: -0.02em; margin: 0; text-wrap: balance;
}
.citation--sombre { color: var(--blanc); }
.citation__source {
  display: block; margin-top: 22px; font-family: var(--font-texte);
  font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--accent);
}

/* Bloc de signature : le logo et le slogan tiennent lieu d'illustration.
   Typographie volontairement retenue — c'est le logo qui doit porter. */
.signature {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(34px, 5vw, 62px) clamp(24px, 3vw, 40px);
  background: var(--blanc);
  text-align: center;
}
.signature img { width: min(290px, 78%); height: auto; }
.signature__slogan {
  margin: 0;
  font-family: var(--font-titre); font-weight: 700;
  font-size: clamp(0.86rem, 1.15vw, 1rem);
  text-transform: uppercase; letter-spacing: 0.14em; line-height: 1.7;
  color: var(--texte-doux);
}

/* Deux photographies côte à côte, contenues dans la largeur du site :
   au-delà, elles dépasseraient leur définition native et perdraient leur netteté. */
.paire-photos {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(10px, 1.5vw, 20px);
  max-width: 820px; margin-inline: auto;   /* format contenu : ce sont deux détails, pas une bannière */
}
.paire-photos img {
  width: 100%; height: auto;   /* height:auto est indispensable : sans lui, les attributs
                                  width/height du HTML fixent une hauteur et aspect-ratio est ignoré */
  aspect-ratio: 4 / 5; object-fit: cover; display: block;
}
/* On garde les deux photos côte à côte aussi longtemps que possible : empilées,
   elles imposent un défilement de plus de 1200 px. Elles ne passent l'une sous
   l'autre que sur téléphone, et en cadrage carré pour limiter la hauteur. */
@media (max-width: 560px) {
  .paire-photos { grid-template-columns: 1fr; }
  .paire-photos img { aspect-ratio: 1 / 1; }
}

/* Bandeau image pleine largeur */
.bande-image { position: relative; height: clamp(280px, 44vw, 520px); overflow: hidden; background: var(--noir); }
.bande-image img { width: 100%; height: 100%; object-fit: cover; }

/* ------------------------------------------------------- 14. Animations douces */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 760ms cubic-bezier(0.22,0.61,0.36,1), transform 760ms cubic-bezier(0.22,0.61,0.36,1); }
.reveal.est-visible { opacity: 1; transform: none; }
.reveal[data-delai="1"] { transition-delay: 90ms; }
.reveal[data-delai="2"] { transition-delay: 180ms; }
.reveal[data-delai="3"] { transition-delay: 270ms; }
.reveal[data-delai="4"] { transition-delay: 360ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------- 15. Réactif */
@media (max-width: 1560px) {
  .nav { gap: 2px; }
  .nav a { padding: 10px 8px; font-size: 0.70rem; letter-spacing: 0.055em; }
  .nav a::after { left: 8px; right: 8px; }
  .entete .btn-nav { padding: 13px 16px; font-size: 0.675rem; letter-spacing: 0.085em; margin-left: 6px; }
}

@media (max-width: 1360px) {
  .nav { gap: 0; }
  .nav a { padding: 10px 5px; font-size: 0.655rem; letter-spacing: 0.035em; }
  .nav a::after { left: 5px; right: 5px; }
  .entete .btn-nav { padding: 12px 12px; font-size: 0.63rem; letter-spacing: 0.06em; margin-left: 4px; }
  .entete .btn-nav .fl { display: none; }
  .logo__tag { display: none; }
  .entete__inner { gap: 12px; }
}

@media (max-width: 1180px) {
  .nav, .entete .btn-nav { display: none; }
  .burger { display: block; }
  .logo__tag { display: block; }
  .barre-mobile { display: flex; }
  body { padding-bottom: 0; }

  .piliers, .grille--3, .grille--4, .etapes-grille, .galerie,
  .coord-grille, .liste--3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .pilier { border-left: 0; border-top: 1px solid rgba(255,255,255,0.09); }
  .pilier:first-child { border-top: 0; }
  .duo, .territoire, .cta__inner { grid-template-columns: 1fr; }
  .duo--inverse .duo__media { order: 0; }
  .pied__haut { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: auto; padding-top: 130px; }
  .hero__contenu { padding-bottom: 56px; }
}

@media (max-width: 700px) {
  body { font-size: 16px; }
  .piliers, .grille--3, .grille--2, .grille--4, .etapes-grille, .galerie,
  .coord-grille, .liste--2, .liste--3,
  .form__rangee, .form__rangee--3 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .etape { grid-template-columns: 1fr; gap: 14px; }
  .etape__num { font-size: 2.6rem; }
  .avantage { grid-template-columns: 1fr; gap: 8px; }
  .btn { width: 100%; }
  .btn-groupe { flex-direction: column; align-items: stretch; }
  .hero .btn-groupe .btn { width: 100%; }
  .pied__haut { grid-template-columns: 1fr; }
  .modale__boite { max-height: 94vh; }
  .barre-mobile a { font-size: 0.66rem; padding: 15px 6px; }
  .duo__cadre::before { display: none; }
}

/* Marge de sécurité pour la barre d'action mobile */
@media (max-width: 1180px) {
  .pied__bas { padding-bottom: 78px; }
}

@media print {
  .entete, .barre-mobile, .menu-mobile, .cta, .marquee { display: none !important; }
  body { color: #000; }
  .section--sombre, .pagehero, .hero { background: #fff !important; color: #000 !important; }
}