/* =========================================================
   ETS-BZH — Design System
   Bleu Marseille · Angles stricts (border-radius: 0)
   ========================================================= */

:root {
  /* Couleurs principales */
  --bleu: #005580;
  --bleu-clair: #006699;
  --bleu-hover: #00436a;
  --bleu-pale: #e8f1f6;
  --bleu-pale-2: #f4f8fb;

  /* Textes */
  --nuit: #0a1a26;
  --nuit-2: #13293a;
  --gris: #4a5c68;
  --gris-clair: #7a8a95;

  /* Fonds & bordures */
  --blanc: #ffffff;
  --fond: #f6f8fa;
  --bordure: #d8e0e6;
  --bordure-forte: #b9c7d1;

  /* Accents */
  --urgence: #d43f1a;
  --urgence-hover: #b3330f;
  --succes: #1f7a4d;
  --or: #f5a623;

  /* Layout */
  --max: 1200px;
  --header-h: 78px;
  --ombre: 0 2px 14px rgba(10, 26, 38, .09);
  --ombre-forte: 0 6px 28px rgba(10, 26, 38, .15);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; border-radius: 0 !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--nuit-2);
  background: var(--blanc);
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); text-decoration: none; }
a:hover { color: var(--bleu-hover); text-decoration: underline; }
ul { padding-left: 0; list-style: none; margin: 0; }
p { margin: 0 0 1em; }

h1, h2, h3, h4 {
  color: var(--nuit);
  line-height: 1.18;
  margin: 0 0 .55em;
  font-weight: 800;
  letter-spacing: -.015em;
}
h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.25rem); }
h3 { font-size: 1.2rem; }

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

/* ---------- Utilitaires ---------- */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 76px 0; }
.section--pale { background: var(--bleu-pale-2); }
.section--fond { background: var(--fond); }
.center { text-align: center; }
.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;
}

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bleu-clair);
  border-left: 4px solid var(--bleu);
  padding-left: 10px;
  margin-bottom: 14px;
}
.section-head { max-width: 780px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.lead { font-size: 1.1rem; color: var(--gris); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 1rem;
  font-weight: 800;
  font-family: inherit;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--bleu); color: #fff; border-color: var(--bleu); }
.btn--primary:hover { background: var(--bleu-hover); border-color: var(--bleu-hover); color: #fff; }

.btn--urgence { background: var(--urgence); color: #fff; border-color: var(--urgence); }
.btn--urgence:hover { background: var(--urgence-hover); border-color: var(--urgence-hover); color: #fff; }

.btn--ghost { background: transparent; color: var(--bleu); border-color: var(--bleu); }
.btn--ghost:hover { background: var(--bleu); color: #fff; }

.btn--blanc { background: #fff; color: var(--bleu); border-color: #fff; }
.btn--blanc:hover { background: var(--bleu-pale); color: var(--bleu-hover); border-color: var(--bleu-pale); }

.btn--outline-blanc { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn--outline-blanc:hover { background: #fff; color: var(--bleu); border-color: #fff; }

.btn--bloc { width: 100%; }
.btn--xl { padding: 19px 32px; font-size: 1.14rem; }

/* ---------- Barre d'urgence ---------- */
.topbar {
  background: var(--nuit);
  color: #cfe0ea;
  font-size: .86rem;
  padding: 9px 0;
}
.topbar__inner { display: flex; flex-wrap: wrap; gap: 8px 26px; align-items: center; justify-content: space-between; }
.topbar__list { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.topbar__list li { display: flex; align-items: center; gap: 7px; }
.topbar a { color: #fff; font-weight: 700; }
.dot { width: 8px; height: 8px; background: var(--succes); display: inline-block; flex: none; }
.dot--live { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .35 } }

/* ---------- Header sticky ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--bordure);
  box-shadow: var(--ombre);
}
.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo__mark { width: 52px; height: 52px; flex: none; }
.logo__txt { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name { font-size: 1.32rem; font-weight: 900; color: var(--bleu); letter-spacing: -.02em; }
.logo__tag { font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--gris-clair); white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 10px 13px;
  white-space: nowrap;
  font-size: .95rem;
  font-weight: 700;
  color: var(--nuit-2);
  border-bottom: 3px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--bleu); border-bottom-color: var(--bleu); text-decoration: none; }

.header__cta { display: flex; align-items: center; gap: 12px; }
.tel-btn {
  display: inline-flex; align-items: center; gap: 11px;
  background: var(--bleu); color: #fff;
  padding: 13px 22px; font-weight: 800; font-size: 1.02rem;
  border: 2px solid var(--bleu); white-space: nowrap;
  transition: background-color .15s ease;
}
.tel-btn:hover { background: var(--bleu-hover); border-color: var(--bleu-hover); color: #fff; text-decoration: none; }
.tel-btn svg { flex: none; }

.burger {
  display: none; width: 48px; height: 46px;
  background: #fff; border: 2px solid var(--bleu); cursor: pointer;
  padding: 0; align-items: center; justify-content: center;
}
.burger span { display: block; width: 22px; height: 2px; background: var(--bleu); position: relative; }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--bleu);
}
.burger span::before { top: -7px; }
.burger span::after  { top: 7px; }

/* ---------- Dropdown zones ---------- */
.has-sub { position: relative; }
.sub {
  position: absolute; top: 100%; left: 0; min-width: 270px;
  background: #fff; border: 2px solid var(--bleu); box-shadow: var(--ombre-forte);
  padding: 8px; display: none; z-index: 120;
}
.has-sub:hover .sub, .has-sub:focus-within .sub { display: block; }
.sub a { display: block; padding: 10px 12px; border-bottom: none; font-weight: 600; font-size: .92rem; }
.sub a:hover { background: var(--bleu-pale); color: var(--bleu); border-bottom-color: transparent; }
.sub strong {
  display: block; padding: 8px 12px 6px; font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--gris-clair); border-bottom: 1px solid var(--bordure); margin-bottom: 4px;
}

/* ---------- Hero ---------- */
.hero {
  /* Photo d'équipe en fond, fortement voilée : elle reste perceptible sans
     jamais concurrencer le texte. Le dégradé est la couche du dessus. */
  background-color: var(--bleu);
  background-image:
    linear-gradient(112deg,
      rgba(0,36,57,.93) 0%, rgba(0,52,80,.89) 38%,
      rgba(0,70,108,.84) 68%, rgba(0,88,132,.80) 100%),
    url("../img/fond-equipe.jpg");
  /* WebP (-41 %) pour les navigateurs qui le gèrent ; les autres gardent
     la déclaration JPEG ci-dessus. */
  background-image:
    linear-gradient(112deg,
      rgba(0,36,57,.93) 0%, rgba(0,52,80,.89) 38%,
      rgba(0,70,108,.84) 68%, rgba(0,88,132,.80) 100%),
    image-set(url("../img/fond-equipe.webp") type("image/webp"),
              url("../img/fond-equipe.jpg") type("image/jpeg"));
  background-size: auto, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  color: #fff;
  padding: 64px 0 72px;
  position: relative;
  overflow: hidden;
}
/* arrière-plan : réseau de plomberie */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("../img/motif-plomberie.svg");
  background-size: 420px 420px;
  background-repeat: repeat;
  background-position: center;
  opacity: .06;
  pointer-events: none;
}
/* voile dégradé : garantit la lisibilité du titre et des textes */
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg,
              rgba(0,28,46,.55) 0%, rgba(0,28,46,.30) 46%, rgba(0,28,46,0) 76%);
  pointer-events: none;
}

/* bandeau d'en-tête compact (pages légales, 404) */
.hero--compact { padding: 46px 0 52px; }
.hero--compact .hero__sub { margin-bottom: 0; }
.hero .eyebrow { color: #bcdcec; border-left-color: #fff; }
.hero--compact .hero__actions { margin-top: 26px; }
.hero > .container { position: relative; z-index: 1; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 54px; align-items: start; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero__sub { font-size: 1.16rem; color: #dbecf5; margin-bottom: 26px; max-width: 620px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.3);
  padding: 8px 15px; font-size: .84rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 20px;
}
.hero__points { display: grid; gap: 11px; margin: 0 0 28px; }
.hero__points li { display: flex; gap: 12px; align-items: flex-start; font-size: 1.02rem; color: #eaf5fb; }
.hero__points .tick {
  flex: none; width: 24px; height: 24px; background: #fff; color: var(--bleu);
  display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: .85rem; margin-top: 2px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__villes { margin-top: 26px; font-size: .9rem; color: #bcd9e8; }
.hero__villes strong { color: #fff; }

/* ---------- Formulaire ---------- */
.form-card {
  background: #fff;
  border: 3px solid var(--nuit);
  box-shadow: 10px 10px 0 rgba(0,0,0,.18);
  color: var(--nuit-2);
}
.form-card__head { background: var(--nuit); color: #fff; padding: 18px 24px; }
.form-card__head h2, .form-card__head h3 { color: #fff; font-size: 1.22rem; margin: 0 0 4px; }
.form-card__head p { margin: 0; font-size: .87rem; color: #b9d2e0; }
.form-card__body { padding: 24px; }

.field { margin-bottom: 15px; }
.field label { display: block; font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--nuit); margin-bottom: 6px; }
.field .req { color: var(--urgence); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--nuit);
  background: var(--blanc);
  border: 2px solid var(--bordure-forte);
  transition: border-color .15s ease;
  -webkit-appearance: none;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath fill='%23005580' d='M0 0h14L7 9z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--bleu); outline: none; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .8rem; color: var(--gris); margin: 4px 0 16px; }
.consent input { width: 18px; height: 18px; flex: none; margin-top: 2px; accent-color: var(--bleu); }

.form-note { font-size: .8rem; color: var(--gris-clair); text-align: center; margin: 12px 0 0; }
.form-note a, .hero__villes strong, .tel-btn, .cta__tel { white-space: nowrap; }
.form-msg { display: none; padding: 14px 16px; font-size: .92rem; font-weight: 700; margin-bottom: 16px; border-left: 5px solid; }
.form-msg--ok { display: block; background: #e7f5ee; border-color: var(--succes); color: #14603c; }
.form-msg--err { display: block; background: #fdeee9; border-color: var(--urgence); color: #8f2a0c; }

/* ---------- Bandeau chiffres ---------- */
.stats { background: var(--nuit); color: #fff; padding: 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 22px; text-align: center; border-right: 1px solid rgba(255,255,255,.14); }
.stat:last-child { border-right: none; }
.stat__num { font-size: 2.15rem; font-weight: 900; color: #fff; line-height: 1; margin-bottom: 8px; }
.stat__lbl { font-size: .84rem; color: #a9c6d6; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }

/* ---------- Grilles / cartes ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 2px solid var(--bordure);
  padding: 28px;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--bleu); box-shadow: var(--ombre); transform: translateY(-3px); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--gris); font-size: .97rem; margin-bottom: 0; }
.card__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; background: var(--bleu); color: #fff;
  font-weight: 900; font-size: 1.05rem; margin-bottom: 16px;
}
.icon-box {
  width: 54px; height: 54px; background: var(--bleu-pale); color: var(--bleu);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px; flex: none;
}
.icon-box svg { width: 28px; height: 28px; }

/* Carte service (accueil) */
.svc { display: flex; flex-direction: column; height: 100%; }
.svc__list { margin: 14px 0 20px; display: grid; gap: 8px; }
.svc__list li { font-size: .94rem; color: var(--gris); padding-left: 20px; position: relative; }
.svc__list li::before { content: "▪"; position: absolute; left: 0; color: var(--bleu); font-size: 1rem; line-height: 1.3; }
.svc__foot { margin-top: auto; padding-top: 6px; }

/* Liste prestations landing */
.presta {
  display: flex; gap: 16px; align-items: flex-start;
  background: #fff; border: 2px solid var(--bordure); border-left: 5px solid var(--bleu);
  padding: 22px 24px; transition: border-color .15s ease, box-shadow .15s ease;
}
.presta:hover { box-shadow: var(--ombre); border-color: var(--bordure-forte); border-left-color: var(--bleu-clair); }
.presta__ico { flex: none; width: 40px; height: 40px; background: var(--bleu-pale); color: var(--bleu); display: flex; align-items: center; justify-content: center; font-weight: 900; }
.presta h3 { font-size: 1.04rem; margin-bottom: 6px; }
.presta p { font-size: .93rem; color: var(--gris); margin: 0; }

/* Puces simples */
.checks { display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 1rem; color: var(--nuit-2); }
.checks .tick {
  flex: none; width: 22px; height: 22px; background: var(--bleu); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 900; margin-top: 3px;
}

/* ---------- Emplacements photo ---------- */
.photo { margin: 0; }

.photo__cadre {
  position: relative;
  overflow: hidden;
  background: var(--bleu-pale);
  border: 2px solid var(--bordure);
}
.photo__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* cadre d'attente : visible tant que le fichier photo n'existe pas.
   Pour masquer complètement les emplacements vides en production,
   décommentez la règle « .photo--vide { display: none } » plus bas. */
.photo__attente {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  text-align: center;
  color: var(--bleu);
  background:
    linear-gradient(rgba(232,241,246,.88), rgba(232,241,246,.88)),
    url("../img/motif-plomberie.svg") center / 260px 260px repeat;
}
.photo--vide .photo__attente { display: flex; }
.photo--vide .photo__img { visibility: hidden; }
.photo--vide .photo__cadre { border-style: dashed; border-color: var(--bleu-clair); }

.photo__aide {
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.photo__nom {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: .76rem;
  background: #fff;
  border: 1px solid var(--bordure-forte);
  padding: 4px 9px;
  color: var(--gris);
  max-width: 100%;
  overflow-wrap: anywhere;
}
.photo__legende {
  font-size: .89rem;
  color: var(--gris);
  padding: 11px 2px 0;
  font-weight: 600;
}

/* Décommentez pour masquer les emplacements non remplis :
.photo--vide { display: none; }
*/

/* ---------- Avis clients ---------- */
.avis { background: #fff; border: 2px solid var(--bordure); border-top: 5px solid var(--or); padding: 28px; display: flex; flex-direction: column; }
.avis__stars { color: var(--or); font-size: 1.05rem; letter-spacing: 3px; margin-bottom: 12px; }
.avis__txt { font-size: .99rem; color: var(--nuit-2); font-style: italic; margin-bottom: 20px; }
.avis__auteur { margin-top: auto; display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--bordure); }
.avis__ini { width: 42px; height: 42px; background: var(--bleu); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 900; flex: none; }
.avis__nom { font-weight: 800; font-size: .95rem; color: var(--nuit); }
.avis__ville { font-size: .82rem; color: var(--gris-clair); }

.note-globale {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--nuit); color: #fff; padding: 14px 24px; margin-top: 34px;
}
.note-globale strong { font-size: 1.5rem; }
.note-globale span { font-size: .88rem; color: #b9d2e0; }

/* ---------- Bandeau CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-clair) 100%);
  color: #fff;
  padding: 66px 0;
  position: relative; overflow: hidden;
}
.cta::before {
  content: ""; position: absolute; top: -70px; right: -70px;
  width: 300px; height: 300px; border: 40px solid rgba(255,255,255,.07);
}
.cta > .container { position: relative; z-index: 1; }
.cta__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.cta h2 { color: #fff; font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.cta p { color: #dbecf5; font-size: 1.08rem; }
.cta__tel {
  display: inline-flex; align-items: center; gap: 14px;
  background: #fff; color: var(--bleu); padding: 20px 34px;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem); font-weight: 900; letter-spacing: -.01em;
  border: 3px solid #fff; margin-top: 8px;
}
.cta__tel:hover { background: var(--nuit); color: #fff; border-color: var(--nuit); text-decoration: none; }
.cta__dispo { margin-top: 14px; font-size: .9rem; color: #cfe6f2; }

/* ---------- Zones / départements ---------- */
.dept-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dept {
  background: #fff; border: 2px solid var(--bordure); padding: 26px 24px;
  display: flex; flex-direction: column; transition: all .15s ease;
}
.dept:hover { border-color: var(--bleu); box-shadow: var(--ombre); transform: translateY(-3px); }
.dept__num {
  font-size: 2.3rem; font-weight: 900; color: var(--bleu); line-height: 1; margin-bottom: 6px;
}
.dept__nom { font-size: 1.12rem; font-weight: 800; color: var(--nuit); margin-bottom: 10px; }
.dept__villes { font-size: .85rem; color: var(--gris-clair); margin-bottom: 18px; }
.dept__links { display: grid; gap: 8px; margin-top: auto; }
.dept__links a {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 11px 14px; background: var(--bleu-pale-2); border-left: 3px solid var(--bleu);
  font-size: .9rem; font-weight: 700; color: var(--nuit-2);
}
.dept__links a:hover { background: var(--bleu); color: #fff; text-decoration: none; }
.dept__links a::after { content: "→"; font-weight: 900; }

/* Maillage interne */
.liens-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 26px; }
.liens-grid a { font-size: .9rem; padding: 7px 0; display: block; border-bottom: 1px solid var(--bordure); color: var(--nuit-2); }
.liens-grid a:hover { color: var(--bleu); }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 2px solid var(--bordure); background: #fff; }
.step { padding: 30px 26px; border-right: 2px solid var(--bordure); }
.step:last-child { border-right: none; }
.step__n { font-size: .78rem; font-weight: 900; letter-spacing: .12em; color: var(--bleu-clair); margin-bottom: 10px; text-transform: uppercase; }
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: .92rem; color: var(--gris); margin: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq details { background: #fff; border: 2px solid var(--bordure); margin-bottom: 12px; }
.faq details[open] { border-color: var(--bleu); }
.faq summary {
  padding: 19px 54px 19px 22px; font-weight: 800; font-size: 1.02rem; color: var(--nuit);
  cursor: pointer; list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--bleu); line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq summary:hover { background: var(--bleu-pale-2); }
.faq__body { padding: 0 22px 20px; color: var(--gris); font-size: .97rem; border-top: 1px solid var(--bordure); padding-top: 16px; margin-top: 0; }

/* ---------- Grille des communes ---------- */
.villes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 26px; }

/* ---------- Tableau tarifs ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tarifs { width: 100%; border-collapse: collapse; background: #fff; border: 2px solid var(--bordure); font-size: .96rem; }
.tarifs caption { caption-side: bottom; padding-top: 14px; font-size: .84rem; color: var(--gris-clair); text-align: left; }
.tarifs th, .tarifs td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--bordure); }
.tarifs thead th { background: var(--nuit); color: #fff; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.tarifs tbody tr:last-child td { border-bottom: none; }
.tarifs tbody tr:nth-child(even) { background: var(--bleu-pale-2); }
.tarifs td:last-child { font-weight: 800; color: var(--bleu); white-space: nowrap; }

/* ---------- Encadré info ---------- */
.encadre { background: var(--bleu-pale); border-left: 5px solid var(--bleu); padding: 24px 26px; }
.encadre h3 { font-size: 1.08rem; margin-bottom: 8px; }
.encadre p:last-child { margin-bottom: 0; }

/* ---------- Contenu SEO ---------- */
.prose { max-width: 820px; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.5em; font-size: 1.12rem; }
.prose p, .prose li { color: var(--gris); }
.prose ul { display: grid; gap: 9px; margin: 0 0 1.2em; }
.prose ul li { padding-left: 20px; position: relative; }
.prose ul li::before { content: "▪"; position: absolute; left: 0; color: var(--bleu); }
.prose strong { color: var(--nuit-2); }

/* ---------- Fil d'ariane ---------- */
.ariane { background: var(--fond); border-bottom: 1px solid var(--bordure); padding: 13px 0; font-size: .85rem; }
.ariane ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; color: var(--gris-clair); }
.ariane li::after { content: "/"; margin-left: 8px; color: var(--bordure-forte); }
.ariane li:last-child::after { content: ""; }
.ariane a { color: var(--gris); }

/* ---------- Footer ---------- */
.footer { background: var(--nuit); color: #a9c6d6; padding: 62px 0 0; font-size: .93rem; }
.footer h3 {
  color: #fff; font-size: .82rem; letter-spacing: .13em; text-transform: uppercase;
  margin-bottom: 18px; padding-bottom: 10px; border-bottom: 2px solid var(--bleu-clair); display: inline-block;
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 42px;
  padding: 44px 0 46px;
  border-top: 1px solid rgba(255,255,255,.13);
}

/* ---- Bloc de marque centré ---- */
.footer__marque { text-align: center; padding-bottom: 42px; }

.footer__nom {
  font-size: 1.9rem;
  font-weight: 900;
  letter-spacing: -.02em;
  color: #fff;
  margin: 0 0 6px;
}

.footer__accroche {
  max-width: 620px;
  margin: 14px auto 22px;
  font-size: 1rem;
  line-height: 1.7;
  color: #b9d2e0;
}

.footer__marque .footer__tel { margin: 0 0 20px; font-size: 1.16rem; padding: 15px 26px; }

.footer__contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 32px;
  font-size: .93rem;
}
.footer__contacts li { display: flex; align-items: center; gap: 9px; }
.footer a { color: #a9c6d6; }
.footer a:hover { color: #fff; }
.footer ul { display: grid; gap: 9px; }
.footer__tel {
  display: inline-flex; align-items: center; gap: 10px; background: var(--bleu);
  color: #fff !important; padding: 13px 20px; font-weight: 800; font-size: 1.06rem; margin: 8px 0 14px;
  border: 2px solid var(--bleu);
}
.footer__tel:hover { background: var(--bleu-clair); border-color: var(--bleu-clair); text-decoration: none; }
.footer__bas {
  border-top: 1px solid rgba(255,255,255,.13); padding: 22px 0; font-size: .84rem;
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: space-between; align-items: center;
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }

/* ---------- Barre mobile fixe ---------- */
.mobile-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  border-top: 2px solid var(--nuit);
}
.mobile-bar a {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 8px; font-weight: 800; font-size: .96rem; text-decoration: none;
}
.mobile-bar__tel { background: var(--bleu); color: #fff; }
.mobile-bar__devis { background: var(--nuit); color: #fff; }

/* ---------- Responsive ---------- */
/* sous 1280 px, la baseline de l'en-tête cède la place à la navigation */
@media (max-width: 1279px) {
  .logo__tag { display: none; }
  .nav a { padding: 10px 10px; font-size: .92rem; }
}

@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .dept-grid, .grid--4, .liens-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.14); }
  .step:nth-child(2) { border-right: none; }
  .step:nth-child(1), .step:nth-child(2) { border-bottom: 2px solid var(--bordure); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .villes-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .cta__grid { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 3px solid var(--bleu); box-shadow: var(--ombre-forte);
    padding: 10px; gap: 0; max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open a { padding: 14px 12px; border-bottom: 1px solid var(--bordure); }
  .nav.is-open .sub { position: static; display: block; border: none; border-left: 3px solid var(--bleu-pale); box-shadow: none; padding: 0 0 8px 10px; }
  .burger { display: flex; }
  .header__cta .tel-btn span { display: none; }
  .header__cta .tel-btn { padding: 13px 15px; }
  .logo__mark { width: 44px; height: 44px; }
  .logo__name { font-size: 1.18rem; }
}

@media (max-width: 520px) {
  /* la baseline ne doit jamais pousser le bouton d'appel hors écran */
  .logo__tag { display: none; }
}

@media (max-width: 720px) {
  body { font-size: 16px; padding-bottom: 58px; }
  .section { padding: 52px 0; }
  .grid--2, .grid--3, .grid--4, .dept-grid, .liens-grid, .steps, .field-row { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 2px solid var(--bordure); }
  .step:last-child { border-bottom: none; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,.14); }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer__accroche { font-size: .95rem; margin: 22px auto 20px; }
  .footer__contacts { flex-direction: column; align-items: center; gap: 10px; }
  .mobile-bar { display: flex; }
  /* barre d'infos compacte : on garde l'urgence et l'e-mail */
  .topbar { font-size: .8rem; }
  .topbar__inner { justify-content: center; text-align: center; gap: 4px 16px; }
  .topbar__list { justify-content: center; }
  .topbar__list:first-child li:not(:first-child),
  .topbar__list:last-child li:first-child { display: none; }
  .hero {
    padding: 44px 0 52px;
    background-image:
      linear-gradient(160deg,
        rgba(0,36,57,.90) 0%, rgba(0,56,86,.855) 55%, rgba(0,80,122,.81) 100%),
      url("../img/fond-equipe-mobile.jpg");
    background-image:
      linear-gradient(160deg,
        rgba(0,36,57,.90) 0%, rgba(0,56,86,.855) 55%, rgba(0,80,122,.81) 100%),
      image-set(url("../img/fond-equipe-mobile.webp") type("image/webp"),
                url("../img/fond-equipe-mobile.jpg") type("image/jpeg"));
  }
  .hero::before { background-size: 300px 300px; }
  .hero::after { background: linear-gradient(180deg, rgba(0,28,46,.46) 0%, rgba(0,28,46,.26) 100%); }
  .hero--compact { padding: 34px 0 38px; }
  .form-card { box-shadow: 6px 6px 0 rgba(0,0,0,.18); }
  .footer { padding-bottom: 58px; }
  .btn--xl { padding: 18px 26px; font-size: 1.05rem; width: 100%; }
  .cta__tel { width: 100%; justify-content: center; padding: 18px 20px; }
  .tarifs { min-width: 420px; }
  .villes-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

@media print {
  .header, .topbar, .mobile-bar, .form-card, .burger { display: none !important; }
}