/* =========================================================
   MLA Couvreur — Feuille de style principale
   Charte : noir / bronze #b08d6a / blanc — style artisan-ladan.fr
   ========================================================= */

:root {
  --noir: #1a1814;
  --noir-deep: #0e0d0b;
  --bronze: #b08d6a;
  --bronze-light: #c9a984;
  --bronze-dark: #7a5c39;
  --bronze-btn: #8a6838;
  --sable: #f6f1ea;
  --gris-clair: #f4f2ee;
  --gris: #6b665e;
  --blanc: #ffffff;
  --ombre: 0 2px 6px rgba(20, 16, 10, .04), 0 12px 30px rgba(20, 16, 10, .07);
  --ombre-forte: 0 8px 20px rgba(20, 16, 10, .10), 0 26px 60px rgba(20, 16, 10, .16);
  --ombre-douce: 0 1px 3px rgba(20, 16, 10, .05), 0 6px 16px rgba(20, 16, 10, .05);
  --radius: 8px;
  --radius-lg: 14px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --maxw: 1240px;
  --font-titre: "Oswald", "Arial Narrow", sans-serif;
  --font-corps: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-corps);
  color: var(--noir);
  background: var(--blanc);
  line-height: 1.7;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--bronze); color: #fff; }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--bronze-dark); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--bronze); }

h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 600;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--noir);
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: .6em; }
h3 { font-size: 1.25rem; margin-bottom: .4em; }

p { margin-bottom: 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: 96px 0; }
.section--sable { background: var(--sable); }
.section--noir { background: var(--noir); color: #e9e3da; }
.section--noir h1, .section--noir h2, .section--noir h3 { color: #fff; }

.section-title { text-align: center; margin-bottom: 2.4em; }
.section-title h2 { display: inline-block; position: relative; }
.section-title h2::after {
  content: ""; display: block; width: 64px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--bronze), var(--bronze-light));
  margin: 16px auto 0;
}
.section-title p { color: var(--gris); max-width: 720px; margin: .9em auto 0; }
.eyebrow {
  display: block; font-family: var(--font-titre); text-transform: uppercase;
  letter-spacing: .22em; font-size: .78rem; font-weight: 600; color: var(--bronze-dark);
  margin-bottom: .7em;
}
.eyebrow::before { content: "— "; color: var(--bronze); }
.about__text .eyebrow, .section-title.left .eyebrow { text-align: left; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 32px; border-radius: var(--radius);
  font-family: var(--font-titre); text-transform: uppercase; letter-spacing: .05em;
  font-size: .95rem; cursor: pointer; border: 2px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s ease, color .25s ease;
  font-weight: 600; will-change: transform;
}
.btn:active { transform: translateY(0) scale(.98); }
.btn--bronze { background: var(--bronze-btn); color: #fff; box-shadow: 0 10px 22px -8px rgba(138,104,56,.75); }
.btn--bronze:hover { background: var(--bronze-dark); color: #fff; transform: translateY(-3px); box-shadow: 0 16px 30px -10px rgba(122,92,57,.8); }
.btn--outline { border-color: var(--bronze); color: var(--bronze-dark); background: transparent; }
.btn--outline:hover { background: var(--bronze); color: #fff; transform: translateY(-3px); box-shadow: 0 12px 26px -10px rgba(176,141,106,.6); }
.btn--blanc { background: #fff; color: var(--noir); box-shadow: 0 10px 24px -10px rgba(0,0,0,.5); }
.btn--blanc:hover { background: var(--bronze); color: #fff; transform: translateY(-3px); }
.btn--lg { padding: 18px 40px; font-size: 1.05rem; }
.hist-figure { margin: 2em 0; }
.hist-figure picture, .hist-figure img { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--ombre-douce); }
.hist-figure figcaption { margin-top: .7em; font-size: .9rem; color: var(--gris); font-style: italic; text-align: center; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: stretch; }
.btn-row .btn { display: inline-flex; align-items: center; justify-content: center; }
@media (max-width: 560px) {
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
}

/* ---------- Top bar ---------- */
.topbar {
  background: var(--noir-deep); color: #cfc7ba; font-size: .85rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; padding-top: 8px; padding-bottom: 8px; gap: 18px; flex-wrap: wrap; }
.topbar a { color: #cfc7ba; }
.topbar a:hover { color: var(--bronze-light); }
.topbar .tb-info { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar .tb-info span { display: inline-flex; align-items: center; gap: 7px; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: #fff; box-shadow: 0 2px 14px rgba(0,0,0,.06);
  transition: box-shadow .3s ease;
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 14px; padding-bottom: 14px; }

.brand { display: flex; align-items: center; gap: 14px; }
.brand img { width: 54px; height: 54px; object-fit: contain; border-radius: 50%; background: var(--noir); }
.brand-text strong { font-family: var(--font-titre); font-size: 1.25rem; letter-spacing: .04em; color: var(--noir); display: block; line-height: 1; }
.brand-text span { font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--bronze-dark); }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-family: var(--font-titre); text-transform: uppercase; letter-spacing: .05em; font-size: .9rem; color: var(--noir); position: relative; padding: 6px 0; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--bronze); transition: width .25s ease; }
.nav a:hover, .nav a.active { color: var(--bronze-dark); }
.nav a:hover::after, .nav a.active::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 16px; }
.header-phone { display: inline-flex; flex-direction: column; align-items: flex-end; line-height: 1.1; font-family: var(--font-titre); font-size: 1.15rem; color: var(--noir); white-space: nowrap; }
.header-phone strong { color: var(--bronze-dark); }
.header-phone .call-free { font-family: var(--font-corps); font-size: .68rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--bronze-btn); margin-top: 2px; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.menu-toggle span { width: 26px; height: 3px; background: var(--noir); transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 88vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg video, .hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay { position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(115deg, rgba(14,13,11,.85) 0%, rgba(14,13,11,.55) 50%, rgba(14,13,11,.25) 100%); }
.hero__content { position: relative; z-index: 2; padding: 120px 0 90px 60px; }
.hero h1 { color: #fff; max-width: 820px; margin-bottom: .35em; }
.hero h1 span { color: var(--bronze-light); }
.hero .lead { font-size: 1.25rem; max-width: 620px; color: #e9e3da; margin-bottom: 1.6em; }
.hero .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__badges { display: flex; gap: 30px; flex-wrap: wrap; margin-top: 42px; }
.hero__badges .badge { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: #e9e3da; }
.hero__badges .badge svg { width: 26px; height: 26px; fill: var(--bronze-light); }

/* ---------- Bandeau avantages ---------- */
.avantages { background: var(--noir); color: #e9e3da; }
.avantages .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.avantage { padding: 40px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,.07); transition: background .3s ease; }
.avantage:last-child { border-right: 0; }
.avantage:hover { background: rgba(176,141,106,.08); }
.avantage .ico { width: 52px; height: 52px; margin: 0 auto 14px; color: var(--bronze-light); transition: transform .35s var(--ease); }
.avantage:hover .ico { transform: translateY(-4px); }
.avantage h3 { color: #fff; font-size: 1.05rem; margin-bottom: .3em; }
.avantage p { font-size: .9rem; color: #b8b0a2; margin: 0; }

/* ---------- Grille services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--ombre); border: 1px solid rgba(20,16,10,.05);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--ombre-forte); }
.service-card__img { aspect-ratio: 16/11; overflow: hidden; }
.service-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-card__img img { transform: scale(1.06); }
.service-card__body { padding: 26px 24px 30px; flex: 1; display: flex; flex-direction: column; }
.service-card__body h3 { color: var(--noir); }
.service-card__body p { color: var(--gris); font-size: .95rem; flex: 1; }
.service-card__link { margin-top: 14px; font-family: var(--font-titre); text-transform: uppercase; letter-spacing: .05em; font-size: .85rem; color: var(--bronze-dark); display: inline-flex; align-items: center; gap: 8px; }
.service-card__link::after { content: "→"; transition: transform .25s ease; }
.service-card:hover .service-card__link::after { transform: translateX(5px); }

/* ---------- Section présentation / à propos ---------- */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.about__img { position: relative; }
.about__img img { border-radius: var(--radius); box-shadow: var(--ombre-forte); }
.about__img .stat {
  position: absolute; bottom: -28px; left: -28px; background: var(--bronze); color: #fff;
  padding: 22px 28px; border-radius: var(--radius); box-shadow: var(--ombre-forte);
}
.about__img .stat strong { font-family: var(--font-titre); font-size: 2.4rem; display: block; line-height: 1; }
.about__img .stat span { font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.about__text h2 { text-align: left; }
.about__text h2::after { margin-left: 0; }
.about__text ul { list-style: none; margin: 1.4em 0; }
.about__text ul li { padding-left: 32px; position: relative; margin-bottom: 10px; }
.about__text ul li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--bronze); font-weight: 700; background: var(--sable); width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-size: .8rem; }

/* ---------- Projets / réalisations ---------- */
.projets-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.projet {
  position: relative; aspect-ratio: 1; overflow: hidden; border-radius: var(--radius);
  box-shadow: var(--ombre);
}
.projet img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.projet:hover img { transform: scale(1.08); }
.projet__overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(14,13,11,.82), rgba(14,13,11,.15) 55%, transparent 80%);
  display: flex; align-items: flex-end; padding: 18px; opacity: 1; transition: background .3s ease;
}
.projet:hover .projet__overlay { background: linear-gradient(to top, rgba(14,13,11,.9), rgba(14,13,11,.25) 55%, transparent 80%); }
.projet__overlay span { color: #fff; font-family: var(--font-titre); text-transform: uppercase; font-size: .85rem; letter-spacing: .05em; }

/* ---------- Pourquoi nous ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.why-card { text-align: center; padding: 34px 26px; border-radius: var(--radius-lg); background: transparent; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s ease; }
.why-card:hover { transform: translateY(-6px); background: #fff; box-shadow: var(--ombre); }
.why-card .ico { width: 68px; height: 68px; margin: 0 auto 18px; color: var(--bronze); background: var(--sable); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: transform .35s var(--ease), background .35s ease, color .35s ease; }
.why-card:hover .ico { background: var(--bronze); color: #fff; transform: translateY(-2px) scale(1.06); }
.why-card h3 { color: var(--noir); }
.why-card p { color: var(--gris); font-size: .95rem; }

/* ---------- Bâtiments (résidentiel/commercial/industriel) ---------- */
.batiments-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.batiment { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 380px; box-shadow: var(--ombre); }
.batiment img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.batiment__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(14,13,11,.9), rgba(14,13,11,.2)); }
.batiment__content { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px; color: #fff; }
.batiment__content h3 { color: #fff; }
.batiment__content p { color: #d8d0c4; font-size: .92rem; margin-bottom: 0; }

/* ---------- Zones d'intervention ---------- */
.zones-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px 24px; list-style: none; }
.zones-list li a { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px dashed rgba(0,0,0,.1); color: var(--noir); font-size: .95rem; }
.zones-list li a::before { content: "▸"; color: var(--bronze-dark); }
.zones-list li a:hover { color: var(--bronze-dark); }
/* Variante sur fond sombre */
.section--noir .zones-list li a { color: #e9e3da; border-bottom-color: rgba(255,255,255,.1); }
.section--noir .zones-list li a::before { color: var(--bronze-light); }
.section--noir .zones-list li a:hover { color: var(--bronze-light); }

/* ---------- Carte zone d'intervention ---------- */
.map-wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; align-items: stretch; }
.map-card { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--ombre); border: 1px solid rgba(0,0,0,.06); min-height: 420px; }
.map-card iframe { display: block; width: 100%; height: 100%; min-height: 420px; border: 0; filter: grayscale(.15) contrast(1.02); }
.map-info { display: flex; flex-direction: column; justify-content: center; background: var(--noir); color: #e9e3da; border-radius: var(--radius); padding: 34px; box-shadow: var(--ombre); }
.map-info h3 { color: #fff; margin-bottom: 10px; }
.map-info p { color: #cfc7ba; font-size: .95rem; margin-bottom: 18px; }
.map-info .map-facts { list-style: none; display: grid; gap: 14px; margin-bottom: 24px; }
.map-info .map-facts li { display: flex; align-items: center; gap: 12px; font-size: .95rem; }
.map-info .map-facts svg { width: 22px; height: 22px; fill: var(--bronze-light); flex: 0 0 auto; }
@media (max-width: 900px) { .map-wrap { grid-template-columns: 1fr; } .map-card { min-height: 340px; } .map-card iframe { min-height: 340px; } }

/* ---------- CTA bandeau ---------- */
.cta-band { background: linear-gradient(115deg, var(--noir) 0%, var(--bronze-dark) 100%); color: #fff; text-align: center; padding: 70px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { max-width: 620px; margin: 0 auto 1.6em; color: #f0e8dc; font-size: 1.1rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: var(--radius); margin-bottom: 14px; box-shadow: var(--ombre); overflow: hidden; }
.faq-item__q { width: 100%; text-align: left; background: none; border: 0; padding: 22px 26px; font-family: var(--font-titre); font-size: 1.05rem; color: var(--noir); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; text-transform: uppercase; letter-spacing: .03em; }
.faq-item__q .sign { color: var(--bronze); font-size: 1.5rem; transition: transform .3s ease; flex-shrink: 0; }
.faq-item__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; padding: 0 26px; color: var(--gris); }
.faq-item.open .faq-item__a { max-height: 400px; padding-bottom: 24px; }
.faq-item.open .faq-item__q .sign { transform: rotate(45deg); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; }
.contact-info h3 { color: var(--noir); margin-top: 1.4em; }
.contact-info p { color: var(--gris); }
.contact-info a.tel { font-family: var(--font-titre); font-size: 1.6rem; color: var(--bronze-dark); }
.contact-card { background: #fff; padding: 34px; border-radius: var(--radius); box-shadow: var(--ombre-forte); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--noir); text-transform: uppercase; letter-spacing: .03em; font-family: var(--font-titre); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 14px 16px; border: 1px solid #e2ddd4; border-radius: var(--radius);
  font-family: var(--font-corps); font-size: 1rem; background: var(--gris-clair); transition: border .2s ease, box-shadow .2s ease, background .2s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--bronze); background: #fff; box-shadow: 0 0 0 3px rgba(176,141,106,.16); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-msg { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 18px; display: none; }
.form-msg.success { display: block; background: #e3f3e6; color: #1d7a37; }
.form-msg.error { display: block; background: #f8e3e3; color: #a83232; }

/* ---------- Footer ---------- */
.footer { background: var(--noir-deep); color: #b8b0a2; padding: 70px 0 0; position: relative; }
.footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--bronze-dark), var(--bronze-light), var(--bronze-dark)); }
.footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; }
.footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--bronze); }
.footer a { color: #b8b0a2; }
.footer a:hover { color: var(--bronze-light); }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer > .container > div:not(.footer-about) ul li a { display: inline-block; transition: transform .2s var(--ease), color .2s ease; }
.footer > .container > div:not(.footer-about) ul li a:hover { transform: translateX(4px); }
.footer .brand img { width: 60px; height: 60px; }
.footer .footer-about p { font-size: .9rem; margin: 14px 0; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; font-size: .92rem; }
.footer-contact svg { width: 18px; height: 18px; fill: var(--bronze); flex-shrink: 0; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center; font-size: .85rem; }
.footer-bottom .container { display: block; padding: 0 24px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { background: var(--sable); padding: 16px 0; font-size: .85rem; }
.breadcrumb ol { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb li::after { content: "/"; margin-left: 8px; color: var(--gris); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--gris); }
.breadcrumb li:last-child { color: var(--bronze-dark); font-weight: 600; }

/* ---------- Page header (pages internes) ---------- */
.page-header { background: linear-gradient(115deg, var(--noir-deep) 0%, var(--noir) 100%); color: #fff; padding: 70px 0 60px; position: relative; overflow: hidden; }
.page-header::before { content: ""; position: absolute; right: -100px; top: -100px; width: 360px; height: 360px; border: 2px solid rgba(176,141,106,.25); border-radius: 50%; }
.page-header h1 { color: #fff; margin-bottom: .3em; }
.page-header h1 span { color: var(--bronze-light); }
.page-header p { color: #d8d0c4; max-width: 620px; font-size: 1.1rem; }

/* ---------- Article SEO ---------- */
.article { max-width: 820px; margin: 0 auto; }
.article h2 { margin-top: 1.6em; }
.article p, .article li { color: #3a3733; }
.article ul { margin: 0 0 1.2em 1.2em; }
.article ul li { margin-bottom: 8px; }
.article .lead { font-size: 1.15rem; color: var(--gris); border-left: 3px solid var(--bronze); padding-left: 20px; margin-bottom: 1.5em; }
.article img { border-radius: var(--radius); margin: 1.5em 0; box-shadow: var(--ombre); }

.content-grid { display: grid; grid-template-columns: 1fr 320px; gap: 50px; align-items: start; }
.sidebar { position: sticky; top: 110px; }
.sidebar-card { background: var(--sable); padding: 26px; border-radius: var(--radius); margin-bottom: 20px; }
.sidebar-card h3 { color: var(--noir); font-size: 1.1rem; }
.sidebar-card ul { list-style: none; }
.sidebar-card ul li { padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,.06); }
.sidebar-card ul li:last-child { border-bottom: 0; }
.sidebar-card .btn { width: 100%; text-align: center; margin-top: 8px; }

/* ---------- Bande chiffres-cles ---------- */
.stats-band { background: linear-gradient(115deg, var(--noir) 0%, var(--bronze-dark) 140%); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-block { padding: 12px; }
.stat-block strong { font-family: var(--font-titre); font-size: 2.8rem; line-height: 1; color: var(--bronze-light); display: block; }
.stat-block span { display: block; margin-top: 10px; font-size: .95rem; letter-spacing: .04em; color: #e9e3da; }

/* ---------- Avis clients / temoignages ---------- */
.avis-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.avis-card { background: #fff; border-radius: var(--radius); box-shadow: var(--ombre); padding: 30px 26px; display: flex; flex-direction: column; border-top: 3px solid var(--bronze); }
.avis-card .stars { color: var(--bronze); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 14px; }
.avis-card p { color: var(--gris); font-style: italic; flex: 1; margin-bottom: 18px; }
.avis-card .avis-author { display: flex; align-items: center; gap: 12px; }
.avis-card .avis-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--bronze); color: #fff; font-family: var(--font-titre); font-size: 1.2rem; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.avis-card .avis-author strong { color: var(--noir); display: block; font-size: .98rem; }
.avis-card .avis-author span { color: var(--gris); font-size: .84rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .avantages .container { grid-template-columns: repeat(2, 1fr); }
  .avantage:nth-child(2) { border-right: 0; }
  .avantage { border-bottom: 1px solid rgba(255,255,255,.07); }
  .services-grid, .why-grid, .batiments-grid { grid-template-columns: repeat(2, 1fr); }
  .projets-grid { grid-template-columns: repeat(3, 1fr); }
  .zones-list { grid-template-columns: repeat(3, 1fr); }
  .footer .container { grid-template-columns: 1fr 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .nav, .header-phone { display: none; }
  .menu-toggle { display: flex; }
  .nav.open {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; padding: 20px 24px; gap: 16px; box-shadow: 0 14px 24px rgba(0,0,0,.1); border-top: 1px solid #eee;
  }
  .header-cta .btn { display: none; }
  .topbar { font-size: .82rem; }
  .topbar .container { justify-content: center; gap: 4px 20px; padding-top: 7px; padding-bottom: 7px; }
  .topbar .tb-info { gap: 6px 20px; justify-content: center; width: 100%; }
  .topbar .tb-info:first-child { display: none; }
  .hero { min-height: 70vh; }
  .hero__content { padding: 80px 0 60px; }
  .about, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .about__img .stat { left: 0; bottom: 10px; }
  .form-row { grid-template-columns: 1fr; }
  .services-grid, .why-grid, .batiments-grid, .projets-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 24px; }
  .avis-grid { grid-template-columns: 1fr; }
  .zones-list { grid-template-columns: repeat(2, 1fr); }
  .footer .container { grid-template-columns: 1fr; gap: 30px; }
  .section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .services-grid, .why-grid, .batiments-grid, .projets-grid { grid-template-columns: 1fr; }
  .avantages .container { grid-template-columns: 1fr; }
  .zones-list { grid-template-columns: 1fr; }
  .hero .hero-btns { flex-direction: column; }
  .hero .hero-btns .btn { width: 100%; text-align: center; }
}

/* =========================================================
   Raffinements esthétiques
   ========================================================= */
.batiment { transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.batiment img { transition: transform .6s var(--ease); }
.batiment:hover { transform: translateY(-6px); box-shadow: var(--ombre-forte); }
.batiment:hover img { transform: scale(1.06); }

.avis-card { transition: transform .4s var(--ease), box-shadow .4s var(--ease); position: relative; overflow: hidden; }
.avis-card::before { content: "\201C"; position: absolute; top: 4px; right: 20px; font-family: Georgia, "Times New Roman", serif; font-size: 4.5rem; line-height: 1; color: rgba(176,141,106,.15); pointer-events: none; }
.avis-card:hover { transform: translateY(-6px); box-shadow: var(--ombre-forte); }

.zones-list li a { transition: color .2s ease, padding-left .2s ease, border-color .2s ease; }
.zones-list li a:hover { padding-left: 6px; border-bottom-color: var(--bronze); }

.sidebar-card { transition: box-shadow .3s ease; }
.sidebar-card:hover { box-shadow: var(--ombre); }

.faq-item { transition: box-shadow .3s ease; }
.faq-item.open { box-shadow: var(--ombre-forte); }

.page-header::after { content: ""; position: absolute; right: 70px; bottom: -130px; width: 220px; height: 220px; border: 2px solid rgba(176,141,106,.14); border-radius: 50%; }

.brand img { transition: transform .3s var(--ease); }
.brand:hover img { transform: rotate(-4deg) scale(1.05); }

/* Apparition douce au scroll */
.has-reveal .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.has-reveal .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .has-reveal .reveal { opacity: 1 !important; transform: none !important; }
}

/* Galerie interactive */
.projet[data-lb] { cursor: zoom-in; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 4000; display: flex; align-items: center; justify-content: center;
  background: rgba(10, 9, 8, .92); padding: 4vh 4vw;
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox__stage { position: relative; max-width: 1100px; width: 100%; text-align: center; }
.lightbox__img {
  max-width: 100%; max-height: 82vh; margin: 0 auto; border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,.6); background: #111; transform: scale(.96); transition: transform .3s var(--ease);
}
.lightbox.open .lightbox__img { transform: scale(1); }
.lightbox__cap {
  margin-top: 16px; color: #f0e8dc; font-family: var(--font-titre); text-transform: uppercase;
  letter-spacing: .05em; font-size: .95rem;
}
.lightbox__count { display: block; margin-top: 4px; color: #b8b0a2; font-size: .8rem; letter-spacing: .12em; }
.lightbox__btn {
  position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.25); color: #fff; cursor: pointer;
  font-size: 1.6rem; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, transform .2s ease;
}
.lightbox__btn:hover { background: var(--bronze); border-color: var(--bronze); }
.lightbox__prev { left: -8px; }
.lightbox__next { right: -8px; }
.lightbox__close {
  position: absolute; top: -6px; right: -6px; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.25); color: #fff; cursor: pointer;
  font-size: 1.5rem; line-height: 1; display: flex; align-items: center; justify-content: center; transition: background .2s ease;
}
.lightbox__close:hover { background: var(--bronze); border-color: var(--bronze); }
body.lb-open { overflow: hidden; }

/* Bouton retour en haut */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 900; width: 48px; height: 48px; border-radius: 50%;
  background: var(--bronze); color: #fff; border: 0; cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px -8px rgba(0,0,0,.55); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .2s ease, visibility .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--bronze-dark); }
.to-top svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 640px) { .to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; } }
@media (max-width: 640px) {
  .lightbox__btn { width: 44px; height: 44px; font-size: 1.3rem; }
  .lightbox__prev { left: 0; } .lightbox__next { right: 0; }
  .lightbox__close { top: -44px; right: 0; }
}