/* =========================================================
   Cigdemir Carrelage — feuille de style principale
   Concept : « calepinage » — une grille fine, comme des joints
   de carrelage, structure la page. Bleu marine, blanc, anthracite.
   ========================================================= */

:root {
  /* Couleurs */
  /* Palette issue du logo : fond anthracite profond, blanc, gris du carrelage */
  --navy: #0e1319;        /* fond exact du logo */
  --navy-deep: #090c10;
  --anthracite: #23272e;
  --graphite: #5d636c;
  --steel: #a7acb3;       /* gris clair des carreaux du logo */
  --line: #e1e3e6;
  --mist: #f3f4f5;
  --white: #ffffff;

  /* Typographie */
  --font-display: "Jost", "Futura", "Century Gothic", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Jost", "Helvetica Neue", Arial, sans-serif;

  --step--1: 0.8125rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  --step-3: clamp(2rem, 1.5rem + 2vw, 3rem);
  --step-4: clamp(2.5rem, 1.6rem + 3.6vw, 4.5rem);

  /* Espacements */
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --section: clamp(4.5rem, 3rem + 6vw, 8.5rem);
  --maxw: 1240px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--white);
  color: var(--anthracite);
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  z-index: 60;
  background: var(--navy-deep);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
strong { font-weight: 500; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
  color: var(--navy);
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
p { margin: 0; max-width: 65ch; text-wrap: pretty; }

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

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--white); color: var(--navy); padding: 10px 16px;
  text-decoration: none; font-weight: 500;
}
.skip-link:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }

/* ---------- Conteneurs ---------- */
.wrap {
  width: 100%;
  max-width: calc(var(--maxw) + 40px);
  margin-inline: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter-r);
}
.section { padding-block: var(--section); }
.section--mist { background: var(--mist); }
.section--navy { background: var(--navy); color: #d6d9dd; }
.section--navy h2, .section--navy h3 { color: var(--white); }

/* ---------- Étiquettes & textes ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: var(--step--1); font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 1.4rem;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.section--navy .eyebrow, .hero .eyebrow, .page-hero .eyebrow { color: var(--steel); }

.lead { font-size: var(--step-1); line-height: 1.6; color: var(--anthracite); }
.section--navy .lead { color: #e4e6e9; }
.muted { color: var(--graphite); }

.stack > * + * { margin-top: 1.25rem; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 1rem 1.7rem;
  font: 500 0.8125rem/1 var(--font-body);
  letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--navy); color: var(--white); }
.btn--primary:hover { background: var(--navy-deep); }
.btn--light { background: var(--white); color: var(--navy); }
.btn--light:hover { background: var(--mist); }
.btn--ghost { border-color: rgba(255,255,255,.45); color: var(--white); background: transparent; }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.btn--outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn--outline:hover { background: var(--navy); color: var(--white); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: var(--step--1); font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none; color: var(--navy);
  padding-bottom: 4px; border-bottom: 1px solid currentColor;
}
.link-arrow svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }
.section--navy .link-arrow { color: var(--white); }

/* ---------- En-tête ---------- */
.site-header {
  position: fixed; left: 0; right: 0;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  color: var(--white);
  transition: background-color .4s var(--ease), box-shadow .4s var(--ease), color .4s var(--ease);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 84px;
  transition: height .4s var(--ease);
}
.site-header.is-solid,
.site-header--solid {
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 1px 0 var(--line);
}
.site-header.is-solid .wrap { height: 70px; }

.brand { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: 0.24em; }
.brand__sub { font-size: 0.625rem; letter-spacing: 0.34em; text-transform: uppercase; margin-top: 6px; opacity: .75; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 34px); }
.nav__list { display: flex; gap: clamp(16px, 2vw, 30px); list-style: none; margin: 0; padding: 0; }
.nav__list a {
  position: relative; text-decoration: none;
  font-size: 0.8125rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase;
  padding-block: 6px;
}
.nav__list a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.nav__list a:hover::after, .nav__list a[aria-current="page"]::after { transform: scaleX(1); }
.nav .btn { padding: .85rem 1.2rem; }
.site-header:not(.is-solid):not(.site-header--solid) .nav .btn { background: var(--white); color: var(--navy); }

.burger {
  display: none; width: 46px; height: 46px; margin-right: -10px;
  background: none; border: 0; color: inherit; cursor: pointer; position: relative;
}
.burger span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .35s var(--ease), opacity .2s; }
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 23px; }
.burger span:nth-child(3) { top: 29px; }
.menu-open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-open .burger span:nth-child(2) { opacity: 0; }
.menu-open .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1080px) {
  .burger { display: block; z-index: 2; }
  .nav {
    position: fixed; inset: 0; z-index: 1;
    flex-direction: column; justify-content: center; align-items: flex-start; gap: 2.5rem;
    padding: calc(100px + env(safe-area-inset-top, 0px)) var(--gutter-r) calc(40px + env(safe-area-inset-bottom, 0px)) var(--gutter);
    background: var(--navy-deep); color: var(--white);
    opacity: 0; visibility: hidden;
    transition: opacity .4s var(--ease), visibility .4s;
  }
  .menu-open .nav { opacity: 1; visibility: visible; }
  .menu-open .site-header { color: var(--white); background: transparent; box-shadow: none; }
  .nav__list { flex-direction: column; gap: 1.1rem; }
  .nav__list a { font-family: var(--font-display); font-size: 1.9rem; letter-spacing: 0.02em; text-transform: none; }
  .nav .btn { background: var(--white) !important; color: var(--navy) !important; }
}

/* ---------- Image avec repli (motif de calepinage) ---------- */
.ph {
  position: relative; overflow: hidden;
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(135deg, #1f252d 0%, #0e1319 100%);
  background-size: 64px 64px, 64px 64px, 100% 100%;
}
.ph img { width: 100%; height: 100%; object-fit: cover; }
.ph img.is-broken { visibility: hidden; }

/* ---------- Héros (accueil) ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex; align-items: flex-end;
  color: var(--white);
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { animation: heroZoom 14s var(--ease) both; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(14,19,25,.88) 0%, rgba(14,19,25,.62) 45%, rgba(14,19,25,.15) 100%),
    linear-gradient(0deg, rgba(14,19,25,.55) 0%, rgba(14,19,25,0) 40%);
}
.hero .wrap { padding-block: calc(140px + env(safe-area-inset-top, 0px)) clamp(3.5rem, 7vw, 6.5rem); }
.hero h1 { color: var(--white); max-width: 15ch; }
.hero__lead { margin-top: 1.6rem; font-size: var(--step-1); color: #e2e4e7; max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2.6rem; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px 34px;
  margin-top: clamp(3rem, 6vw, 5rem); padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,.22);
  font-size: var(--step--1); letter-spacing: .16em; text-transform: uppercase; color: #c9ccd1;
}
.hero__meta span { display: inline-flex; align-items: center; gap: 10px; }
.hero__meta span::before { content: ""; width: 6px; height: 6px; border: 1px solid var(--steel); transform: rotate(45deg); }

/* Entrée du héros */
.hero [data-in] { animation: rise 1s var(--ease) both; }
.hero [data-in="2"] { animation-delay: .12s; }
.hero [data-in="3"] { animation-delay: .24s; }
.hero [data-in="4"] { animation-delay: .36s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- Héros des pages intérieures ---------- */
.page-hero {
  position: relative; color: var(--white); isolation: isolate;
  min-height: clamp(380px, 52vh, 560px);
  display: flex; align-items: flex-end;
}
.page-hero .ph { position: absolute; inset: 0; z-index: -2; }
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(14,19,25,.9) 0%, rgba(14,19,25,.55) 60%, rgba(14,19,25,.3) 100%);
}
.page-hero .wrap { padding-block: calc(130px + env(safe-area-inset-top, 0px)) clamp(3rem, 5vw, 4.5rem); }
.page-hero h1 { color: var(--white); max-width: 18ch; }
.page-hero p { margin-top: 1.2rem; color: #dcdee1; font-size: var(--step-1); max-width: 54ch; }
.breadcrumb { display: flex; gap: 10px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 0 1.4rem; font-size: var(--step--1); letter-spacing: .14em; text-transform: uppercase; color: var(--steel); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb li + li::before { content: "/"; margin-right: 10px; opacity: .6; }

/* ---------- Grilles génériques ---------- */
.split {
  display: grid; gap: clamp(2.5rem, 6vw, 6rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--wide-media { grid-template-columns: 1.15fr 1fr; }
  .split--reverse > :first-child { order: 2; }
}
.split > * { min-width: 0; }

.intro-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .intro-grid { grid-template-columns: 5fr 7fr; gap: 6rem; } }
.intro-grid > * { min-width: 0; }

/* Image encadrée avec joint décalé */
.framed { position: relative; }
.framed .ph { aspect-ratio: 4 / 5; max-width: 100%; }
.framed::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; z-index: -1;
  border: 1px solid var(--line);
}
.section--navy .framed::before { border-color: rgba(255,255,255,.18); }
@media (max-width: 600px) { .framed::before { inset: 14px -10px -14px 10px; } }

/* ---------- Grille de prestations (accueil) ---------- */
.services {
  display: grid; gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 3.5rem;
}
.service-card {
  position: relative; display: flex; flex-direction: column; gap: 1rem;
  padding: 2.2rem 2rem 2rem;
  background: var(--white); text-decoration: none;
  transition: background-color .45s var(--ease), color .45s var(--ease);
  min-width: 0;
}
.service-card__icon { width: 40px; height: 40px; color: var(--navy); transition: color .45s var(--ease); }
.service-card h3 { font-size: 1.45rem; transition: color .45s var(--ease); }
.service-card p { font-size: 0.975rem; color: var(--graphite); transition: color .45s var(--ease); }
.service-card .link-arrow { margin-top: auto; align-self: flex-start; border-bottom-color: transparent; padding-top: .6rem; }
.service-card:hover { background: var(--navy); }
.service-card:hover h3, .service-card:hover .service-card__icon, .service-card:hover .link-arrow { color: var(--white); }
.service-card:hover p { color: #c9ccd1; }
.service-card--cta { background: var(--mist); justify-content: center; }

/* ---------- Méthode (étapes) ---------- */
.steps { list-style: none; padding: 0; margin: 3.5rem 0 0; display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); border-top: 1px solid rgba(255,255,255,.18); }
.steps li { padding: 2rem 2rem 2.2rem 0; border-bottom: 1px solid rgba(255,255,255,.18); min-width: 0; }
.steps__num { font-family: var(--font-display); font-size: 1rem; color: var(--steel); letter-spacing: .1em; font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 1.4rem; margin: .7rem 0 .6rem; }
.steps p { font-size: .975rem; color: #c2c6cc; }
.section:not(.section--navy) .steps { border-top-color: var(--line); }
.section:not(.section--navy) .steps li { border-bottom-color: var(--line); }
.section:not(.section--navy) .steps p { color: var(--graphite); }
.section:not(.section--navy) .steps__num { color: var(--graphite); }

/* ---------- Bande galerie (accueil) ---------- */
.mosaic {
  display: grid; gap: 10px; margin-top: 3.5rem;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: clamp(150px, 22vw, 300px);
}
.mosaic .ph:nth-child(1) { grid-row: span 2; }
@media (min-width: 900px) {
  .mosaic { grid-template-columns: 1.3fr 1fr 1fr; }
  .mosaic .ph:nth-child(1) { grid-row: span 2; }
  .mosaic .ph:nth-child(4) { grid-column: span 2; }
}
.mosaic .ph img { transition: transform 1.2s var(--ease); }
.mosaic .ph:hover img { transform: scale(1.04); }

/* ---------- Publics ---------- */
.audiences { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); margin-top: 3.5rem; }
.audience { padding-top: 1.6rem; border-top: 1px solid var(--navy); min-width: 0; }
.audience h3 { font-size: 1.5rem; margin-bottom: .8rem; }
.audience p { color: var(--graphite); font-size: .99rem; }

/* ---------- Zone d'intervention ---------- */
.cities { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 2.5rem; }
.city { background: var(--white); padding: 1.3rem 1.4rem; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.city strong { font-family: var(--font-display); font-weight: 400; font-size: 1.25rem; color: var(--navy); }
.city span { font-size: var(--step--1); letter-spacing: .14em; color: var(--graphite); font-variant-numeric: tabular-nums; }
.city--home { background: var(--navy); }
.city--home strong { color: var(--white); }
.city--home span { color: var(--steel); }

/* ---------- Bandeau d'appel ---------- */
.cta-band { position: relative; isolation: isolate; color: var(--white); overflow: hidden; }
.cta-band .ph { position: absolute; inset: 0; z-index: -2; }
.cta-band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(14,19,25,.84); }
.cta-band .wrap { padding-block: clamp(4.5rem, 9vw, 7.5rem); display: grid; gap: 2rem; align-items: end; }
@media (min-width: 900px) { .cta-band .wrap { grid-template-columns: 1.4fr 1fr; } .cta-band .cta-actions { justify-self: end; } }
.cta-band h2 { color: var(--white); max-width: 20ch; }
.cta-band p { color: #d5d8dc; margin-top: 1rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Pages prestations ---------- */
.toc { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 2rem; }
.toc a {
  text-decoration: none; font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--line); padding: .7rem 1rem; color: var(--navy);
  transition: border-color .3s, background-color .3s, color .3s;
}
.toc a:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }

.service-block { padding-block: clamp(3.5rem, 7vw, 6rem); border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.service-block:first-of-type { border-top: 0; }
.service-block .ph { aspect-ratio: 5 / 4; }
.service-block h2 { font-size: var(--step-3); margin-bottom: 1.2rem; }
.kicker { font-family: var(--font-display); color: var(--graphite); font-size: 1rem; letter-spacing: .12em; margin-bottom: 1rem; display: block; font-variant-numeric: tabular-nums; }

.checklist { list-style: none; padding: 0; margin: 1.8rem 0 0; display: grid; gap: .8rem; }
.checklist li { position: relative; padding-left: 1.9rem; font-size: .99rem; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 9px; border: 1px solid var(--navy); transform: rotate(45deg);
}
.section--navy .checklist li::before { border-color: var(--steel); }

.specs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.6rem; }
.specs span {
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .45rem .8rem; background: var(--mist); color: var(--navy);
  font-variant-numeric: tabular-nums;
}

/* FAQ */
.faq { margin-top: 3rem; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 1.5rem 0; font-family: var(--font-display); font-size: 1.3rem; color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-body); font-weight: 300; font-size: 1.6rem; line-height: 1; transition: transform .3s var(--ease); flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 1.6rem; color: var(--graphite); }

/* ---------- Galerie ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 2.5rem; }
.filter {
  font: 400 .8125rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--line); background: var(--white); color: var(--navy);
  padding: .85rem 1.15rem; cursor: pointer;
  transition: background-color .3s, color .3s, border-color .3s;
}
.filter:hover { border-color: var(--navy); }
.filter[aria-pressed="true"] { background: var(--navy); color: var(--white); border-color: var(--navy); }

.gallery { columns: 1; column-gap: 12px; }
@media (min-width: 620px) { .gallery { columns: 2; } }
@media (min-width: 1000px) { .gallery { columns: 3; } }
.gallery__item {
  break-inside: avoid; margin: 0 0 12px; position: relative; display: block; width: 100%;
  padding: 0; border: 0; cursor: zoom-in; background: none; text-align: left;
}
.gallery__item .ph img { transition: transform 1s var(--ease); }
.gallery__item:hover .ph img { transform: scale(1.035); }
.gallery__item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2.2rem 1.2rem 1rem;
  background: linear-gradient(0deg, rgba(14,19,25,.82), rgba(14,19,25,0));
  color: var(--white); font-size: .8125rem; letter-spacing: .14em; text-transform: uppercase;
  opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.gallery__item:hover figcaption, .gallery__item:focus-visible figcaption { opacity: 1; transform: none; }
@media (hover: none) { .gallery__item figcaption { opacity: 1; transform: none; } }
.gallery__item[hidden] { display: none !important; }
.note {
  margin-top: 2.5rem; padding: 1.2rem 1.4rem; border-left: 2px solid var(--navy);
  background: var(--mist); font-size: .93rem; color: var(--graphite); max-width: none;
}

/* Visionneuse */
.lightbox {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(9,12,16,.96);
  display: grid; place-items: center;
  padding: calc(64px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) calc(64px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
}
.lightbox[hidden] { display: none !important; }
.lightbox figure { margin: 0; max-width: min(1200px, 100%); }
.lightbox img { max-height: 76vh; width: auto; margin-inline: auto; }
.lightbox figcaption { color: #c8cbd0; text-align: center; margin-top: 1rem; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; }
.lightbox button {
  position: absolute; background: none; border: 1px solid rgba(255,255,255,.25); color: var(--white);
  width: 48px; height: 48px; cursor: pointer; display: grid; place-items: center;
}
.lightbox button:hover { border-color: var(--white); }
.lightbox button svg { width: 18px; height: 18px; }
.lb-close { top: calc(16px + env(safe-area-inset-top, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); }
.lb-prev { left: max(16px, env(safe-area-inset-left, 0px)); top: 50%; transform: translateY(-50%); }
.lb-next { right: max(16px, env(safe-area-inset-right, 0px)); top: 50%; transform: translateY(-50%); }
@media (max-width: 700px) { .lb-prev, .lb-next { top: auto; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); transform: none; } }

/* ---------- Engagements ---------- */
.pledges { display: grid; gap: 1px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.14); grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); margin-top: 3.5rem; }
.pledge { background: var(--navy); padding: 2.4rem 2.2rem; min-width: 0; }
.pledge h3 { font-size: 1.45rem; margin: 1.1rem 0 .7rem; }
.pledge p { color: #c2c6cc; font-size: .97rem; }
.pledge svg { width: 36px; height: 36px; color: var(--steel); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: clamp(3rem, 6vw, 6rem); grid-template-columns: 1fr; }
@media (min-width: 980px) { .contact-grid { grid-template-columns: 4fr 7fr; } }
.contact-grid > * { min-width: 0; }

.coords { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.6rem; }
.coords li { display: grid; grid-template-columns: 22px 1fr; gap: 16px; align-items: start; }
.coords svg { width: 20px; height: 20px; color: var(--navy); margin-top: 4px; }
.coords small { display: block; font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--graphite); }
.coords a, .coords span { color: var(--navy); font-size: 1.05rem; text-decoration: none; font-weight: 400; overflow-wrap: anywhere; }

.form { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .form { grid-template-columns: 1fr 1fr; } .form .full { grid-column: 1 / -1; } }
.field { display: flex; flex-direction: column; gap: .55rem; min-width: 0; }
.field label, .field legend { font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--anthracite); font-weight: 500; padding: 0; }
.field .opt { color: var(--graphite); font-weight: 300; text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  font: 300 1rem/1.5 var(--font-body); color: var(--anthracite);
  background: var(--white); border: 0; border-bottom: 1px solid #b9c2cf;
  padding: .75rem 0; border-radius: 0; width: 100%;
  transition: border-color .3s;
  -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2313233f' stroke-width='1.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 4px center; padding-right: 24px;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--navy); box-shadow: 0 1px 0 var(--navy); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-bottom-color: #a32b2b; }
.field .error { font-size: .85rem; color: #a32b2b; min-height: 0; }
fieldset.field { border: 0; margin: 0; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: .4rem; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span {
  display: inline-block; padding: .65rem .95rem; border: 1px solid var(--line);
  font-size: .9rem; color: var(--anthracite); cursor: pointer; transition: all .25s var(--ease);
}
.chip input:checked + span { background: var(--navy); color: var(--white); border-color: var(--navy); }
.chip input:focus-visible + span { outline: 2px solid var(--steel); outline-offset: 2px; }
.consent { display: grid; grid-template-columns: 20px 1fr; gap: 12px; font-size: .9rem; color: var(--graphite); align-items: start; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--navy); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-status { padding: 1rem 1.2rem; font-size: .95rem; }
.form-status.is-ok { background: #eef3ee; color: #26492b; border-left: 2px solid #3c6b42; }
.form-status.is-err { background: #f8eeee; color: #7a2323; border-left: 2px solid #a32b2b; }

/* ---------- Texte légal ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: var(--step-2); margin: 3rem 0 1rem; }
.prose p, .prose li { color: var(--anthracite); }
.prose p + p { margin-top: 1rem; }
.todo { background: #fff6d6; padding: 0 .3em; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--navy-deep); color: #adb1b8; font-size: .95rem; }
.site-footer .wrap { padding-block: clamp(4rem, 7vw, 6rem) calc(2rem + env(safe-area-inset-bottom, 0px)); }
.footer-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
@media (min-width: 1080px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1.1fr; } }
.footer-grid > * { min-width: 0; }
.site-footer .brand { color: var(--white); }
.site-footer h4 { font-family: var(--font-body); font-size: .75rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--white); margin-bottom: 1.2rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.site-footer a { text-decoration: none; transition: color .3s; }
.site-footer a:hover { color: var(--white); }
.footer-about { margin-top: 1.5rem; max-width: 36ch; }
.footer-bottom {
  margin-top: 4rem; padding-top: 1.6rem; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .82rem;
}

/* ---------- Apparition au défilement ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero [data-in], .hero__media img { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ---------- 404 ---------- */
.notfound { min-height: 80vh; display: grid; place-items: center; text-align: center; background: var(--navy); color: #d6d9dd; }
.notfound h1 { color: var(--white); }
.notfound p { margin: 1.2rem auto 2.4rem; }

/* Ajustements de hauteur des conteneurs d'image */
.hero__media .ph, .page-hero .ph, .cta-band .ph { height: 100%; }
.mosaic .ph { height: 100%; }
.cities { grid-template-columns: 1fr; }
@media (min-width: 560px) { .cities { grid-template-columns: repeat(3, 1fr); } }

/* ===== Révision 2 : logo réel, en-tête sombre, photos de chantier ===== */
.site-header, .site-header.is-solid, .site-header--solid {
  background: var(--navy); color: var(--white); box-shadow: none;
}
.site-header .wrap, .site-header.is-solid .wrap { height: 88px; }
.brand__logo { height: 72px; width: auto; display: block; }
@media (max-width: 600px) { .site-header .wrap, .site-header.is-solid .wrap { height: 76px; } .brand__logo { height: 60px; } }
.site-header .nav .btn, .site-header:not(.is-solid):not(.site-header--solid) .nav .btn { background: var(--white); color: var(--navy); }
.site-header .nav .btn:hover { background: var(--mist); }
.site-footer .brand__logo { height: 120px; }
body::before { background: var(--navy); }

.hero .wrap { padding-top: calc(150px + env(safe-area-inset-top, 0px)); }
.page-hero .wrap { padding-top: calc(140px + env(safe-area-inset-top, 0px)); }

/* Services : 9 prestations en grille 3 × 3 */
@media (min-width: 900px) { .services { grid-template-columns: repeat(3, 1fr); } }

/* Image manquante (photos à venir) */
.ph--empty { display: grid; place-items: center; min-height: 260px; }
.ph--empty span { color: var(--steel); font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; text-align: center; padding: 1rem; }
.service-block .ph--empty { aspect-ratio: 5 / 4; }

/* Satisfaction client */
.clients { display: grid; gap: 14px; margin-top: 3rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 760px) { .clients { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .clients { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 760px) { .clients--4 { grid-template-columns: repeat(4, 1fr); } }
.client { margin: 0; min-width: 0; }
.client .ph { aspect-ratio: 4 / 5; }
.client figcaption { margin-top: .7rem; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--graphite); line-height: 1.4; }

.service-block .ph, .framed .ph { background-color: var(--navy); }
.city strong { font-weight: 500; }
.site-footer { background: var(--navy); }

/* ===== Révision 3 : chiffres clés, avis, partenaires ===== */
.stats-band { position: relative; isolation: isolate; color: var(--white); overflow: hidden; }
.stats-band .ph { position: absolute; inset: 0; z-index: -2; height: 100%; }
.stats-band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(14,19,25,.86); }
.stats-band .wrap { padding-block: clamp(3.5rem, 7vw, 6rem); }
.stats { list-style: none; margin: 0; padding: 0; display: grid; gap: 2.5rem 1.5rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { display: flex; flex-direction: column; align-items: flex-start; gap: .4rem; padding-left: 1.4rem; border-left: 1px solid rgba(255,255,255,.2); min-width: 0; }
.stat svg { width: 34px; height: 34px; color: var(--steel); margin-bottom: .8rem; }
.stat strong { font-family: var(--font-display); font-weight: 500; font-size: clamp(2.4rem, 1.8rem + 2.4vw, 3.6rem); line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat span { font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: #c9ccd1; }

.reviews-head { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; margin-top: 3rem; padding: 1.6rem 1.8rem; background: var(--white); border: 1px solid var(--line); }
.section--mist .reviews-head { background: var(--white); }
.g-label { font-size: .78rem; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--navy); }
.rating { display: flex; align-items: center; gap: .8rem; margin: 0; }
.rating strong { font-size: 2rem; font-weight: 500; color: var(--navy); line-height: 1; }
.stars { display: inline-flex; gap: 3px; color: #e2a821; }
.stars svg { width: 18px; height: 18px; }
.reviews-head .btn { margin-left: auto; }
.reviews { display: grid; gap: 14px; margin-top: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.review { margin: 0; padding: 1.8rem; background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.review blockquote { margin: 0; font-size: 1.05rem; color: var(--anthracite); }
.review figcaption { display: flex; flex-direction: column; font-size: .9rem; margin-top: auto; }
.review figcaption span { color: var(--graphite); font-size: .8rem; }
.pending { margin: 0; padding: .55rem .8rem; background: #fff6d6; color: #6b5300; font-size: .85rem; border: 1px dashed #d9b84a; }
.pending--block { padding: 1.4rem 1.6rem; font-size: .95rem; max-width: none; }

.partners { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); grid-template-columns: repeat(2, 1fr); }
@media (min-width: 700px) { .partners { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .partners { grid-template-columns: repeat(6, 1fr); } }
.partners li { background: var(--white); display: grid; place-items: center; min-height: 120px; padding: 1rem; font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: .04em; color: var(--anthracite); text-align: center; }

/* ===== Révision 4 : 3 chiffres, avis, logos partenaires ===== */
@media (min-width: 900px) { .stats { grid-template-columns: repeat(3, 1fr); } }
.review__tag { align-self: flex-start; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--graphite); background: var(--mist); padding: .35rem .6rem; }
.review figcaption { flex-direction: row; align-items: center; gap: .8rem; }
.review figcaption > span:last-child { display: flex; flex-direction: column; }
.review figcaption small { color: var(--graphite); font-size: .78rem; }
.review__avatar { flex: none; width: 40px; height: 40px; display: grid !important; place-items: center; background: var(--navy); color: var(--white) !important; font-weight: 500; font-size: 1rem !important; }
.partners li { gap: .8rem; padding: 1.4rem 1rem; min-height: 170px; font-size: .78rem; font-family: var(--font-body); font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--graphite); }
.partners img { height: 78px; width: auto; max-width: 100%; object-fit: contain; }

/* Schéma chape liquide */
.schema { margin: 0; background: var(--mist); border: 1px solid var(--line); padding: clamp(1rem, 3vw, 2rem); }
.schema svg { display: block; width: 100%; height: auto; }
.schema figcaption { margin-top: 1rem; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--graphite); }

/* Satisfaction : 17 photos, la première mise en avant (grille complète en 2, 4 et 5 colonnes) */
.clients:not(.clients--4) { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 760px) { .clients:not(.clients--4) { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .clients:not(.clients--4) { grid-template-columns: repeat(5, 1fr); } }
.clients:not(.clients--4) .client:first-child { grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; }
.clients:not(.clients--4) .client:first-child .ph { aspect-ratio: auto; flex: 1; min-height: 0; }
/* 16 photos : grille 2 × 8 / 4 × 4 */
@media (min-width: 1100px) { .clients:not(.clients--4) { grid-template-columns: repeat(4, 1fr); } }
.clients:not(.clients--4) .client:first-child { grid-column: auto; grid-row: auto; display: block; }
.clients:not(.clients--4) .client:first-child .ph { aspect-ratio: 4 / 5; }
/* 4 indicateurs : 4 colonnes sur ordinateur, 2 × 2 sur tablette et téléphone */
@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, 1fr); } }
/* 8 partenaires : 2 × 4 sur ordinateur et tablette, 2 colonnes sur téléphone */
@media (min-width: 700px) { .partners { grid-template-columns: repeat(4, 1fr); } }
.partner-name { height: 78px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; letter-spacing: .02em; text-transform: none; color: var(--anthracite); }
.partners img { max-width: min(170px, 100%); }
/* 10 partenaires : 5 × 2 sur ordinateur, 2 colonnes sur tablette et téléphone */
@media (min-width: 700px) { .partners { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .partners { grid-template-columns: repeat(5, 1fr); } }
.partners img { height: 70px; max-width: min(160px, 100%); }

/* Repères sous les boutons du héros : grille 2 × 2 sur téléphone et tablette, 4 colonnes sur ordinateur */
.hero__meta {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.6rem 1.25rem;
  letter-spacing: normal; text-transform: none;
}
@media (min-width: 900px) { .hero__meta { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; } }
.hero__meta .hm {
  display: flex; flex-direction: column; justify-content: flex-end; gap: .45rem;
  padding-left: 1rem; border-left: 1px solid rgba(255,255,255,.28); min-width: 0;
}
.hero__meta .hm::before { content: none; }
.hm__l { font-size: .72rem; font-weight: 400; letter-spacing: .16em; text-transform: uppercase; color: #c9ccd1; line-height: 1.45; text-wrap: balance; }
.hm__v { font-size: clamp(1.15rem, 1rem + .6vw, 1.45rem); font-weight: 500; color: var(--white); line-height: 1.15; letter-spacing: -0.005em; white-space: nowrap; font-variant-numeric: tabular-nums; }
.hero__meta span.hm__l::before { content: none; display: none; }
.hero__meta span.hm__l { display: block; }
@media (max-width: 600px) { .hm__l { font-size: .66rem; letter-spacing: .1em; } .hero__meta .hm { padding-left: .8rem; } }
@media (max-width: 900px) { .framed::before { inset: 14px -10px -14px 10px; } }

/* Signature officielle en titre principal */
.hero h1 { max-width: 17ch; font-size: clamp(2.15rem, 1.4rem + 3.4vw, 4.4rem); line-height: 1.08; letter-spacing: -0.015em; text-shadow: 0 2px 24px rgba(9,12,16,.35); }
.hero h1 .h1-line { display: block; font-weight: 400; color: #e4e6e9; }
@media (max-width: 600px) { .hero h1 { max-width: none; } }
@media (min-width: 900px) { .hero h1 { max-width: 20ch; } .hero h1 .h1-line { white-space: nowrap; font-size: .82em; margin-top: .12em; } }

/* Logo officiel dans la section « Notre savoir-faire » (accueil) */
.framed--logo { max-width: 520px; width: 100%; justify-self: center; }
.logo-panel { background: #0e1319; display: block; }
.logo-panel img { display: block; width: 100%; height: auto; aspect-ratio: 828 / 835; }
@media (max-width: 899px) { .framed--logo { max-width: 420px; margin-inline: auto; } }
.logo-panel { outline: 1px solid rgba(255,255,255,.14); outline-offset: 0; }

/* Logo « Notre savoir-faire » : sans cadre ni contour, fondu dans le fond de la section */
.framed--logo::before { content: none; display: none; }
.logo-panel { outline: none; border: 0; box-shadow: none; background: transparent; }
.logo-panel img {
  -webkit-mask-image: radial-gradient(ellipse 72% 72% at 50% 50%, #000 78%, transparent 100%);
          mask-image: radial-gradient(ellipse 72% 72% at 50% 50%, #000 78%, transparent 100%);
}

/* Réseaux sociaux */
.socials { list-style: none; margin: 1.1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.social {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.22); color: var(--white);
  transition: background-color .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.social svg { width: 19px; height: 19px; display: block; }
.social--facebook:hover, .social--facebook:focus-visible { background: #0866FF; border-color: #0866FF; }
.social--instagram:hover, .social--instagram:focus-visible { background: linear-gradient(45deg, #F58529, #DD2A7B 50%, #8134AF); border-color: transparent; }
.social--linkedin:hover, .social--linkedin:focus-visible { background: #0A66C2; border-color: #0A66C2; }
.footer-follow { margin-top: 1.8rem; font-size: .75rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--white); }
.socials--menu { display: none; margin: 0; }
@media (max-width: 1080px) { .socials--menu { display: flex; } }
.site-footer ul.socials { display: flex; flex-wrap: wrap; gap: 12px; }