/* =================================================================
   Chevalier Élagage — feuille de style (template élagueur V2)
   Palette : DESIGN.md · Qualité : QUALITE.md · Retours : RETOURS-V1.md
   ================================================================= */

:root {
  /* ---- Palette ---- */
  --ecorce: #141F19;
  --sapin:  #1C3327;
  --sapin-fonce: #122019;
  --sauge:  #5E6B55;
  --sauge-clair: #7F8C71;
  --craie:  #F5F1E8;
  --lin:    #EAE3D3;
  --ambre:  #A8641F;
  --ambre-fonce: #8f5216;
  --or:     #C98B3E;

  --texte: var(--ecorce);
  --texte-doux: #414B43;
  --texte-clair: rgba(245, 241, 232, 0.74);

  /* ---- Familles ---- */
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* ---- Échelle typo ---- */
  --t-geant:  clamp(2.75rem, 6.2vw, 5rem);
  --t-titre:  clamp(2rem, 4.2vw, 3.25rem);
  --t-sous:   clamp(1.4rem, 2.5vw, 1.95rem);
  --t-chapeau: clamp(1.125rem, 1.5vw, 1.3rem);
  --t-corps:  1.125rem;
  --t-petit:  0.9375rem;
  --t-label:  0.72rem;

  --measure: 62ch;

  /* ---- Espacement ---- */
  --e1: 4px;  --e2: 8px;  --e3: 16px; --e4: 24px;
  --e5: 40px; --e6: 64px; --e7: 96px; --e8: 128px;

  --shell: 1180px;
  --gutter: clamp(1.5rem, 4vw, 2.5rem);

  --r1: 3px; --r2: 6px; --r3: 999px;

  --ombre-1: 0 1px 2px rgba(20,31,25,.05), 0 8px 24px rgba(20,31,25,.07);
  --ombre-2: 0 4px 12px rgba(20,31,25,.08), 0 24px 56px rgba(20,31,25,.12);
  --ombre-3: 0 30px 80px rgba(20,31,25,.30);

  --court: .2s;
  --moyen: .42s;
  --reveal: .7s;
  --courbe: cubic-bezier(.2, .7, .2, 1);
}

/* ------------------------------ reset ------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-tap-highlight-color: transparent; }
@media (max-width: 640px) { html { scroll-padding-top: 78px; } }
body {
  margin: 0; background: var(--craie); color: var(--texte);
  font-family: var(--sans); font-size: var(--t-corps); line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1, h2, h3 {
  font-family: var(--serif); font-weight: 500; line-height: 1.1; margin: 0;
  letter-spacing: -0.015em; text-wrap: balance;
}
p { margin: 0; }
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---- Fonds : dégradé de luminosité imperceptible + grain papier ---- */
:root {
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
  --fond-clair:  var(--grain), linear-gradient(177deg, #F7F3EA 0%, #F1ECDF 100%);
  --fond-lin:    var(--grain), linear-gradient(177deg, #ECE5D5 0%, #E4DCC9 100%);
  --fond-sombre: linear-gradient(177deg, #1F3729 0%, #182B21 100%);
  --fond-ecorce: linear-gradient(177deg, #16241D 0%, #10190F 100%);
}

/* --------------------------- utilitaires --------------------------- */
.shell { max-width: var(--shell); margin-inline: auto; padding-inline: var(--gutter); }
@media (min-width: 1100px) { :root { --gutter: 40px; } }

.visually-hidden, .skip-link {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link:focus {
  position: fixed; top: 0.75rem; left: 0.75rem; width: auto; height: auto;
  clip: auto; z-index: 300; background: var(--ambre); color: var(--craie);
  padding: 0.6rem 1rem; border-radius: var(--r1);
}
:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 2.5px solid var(--ambre); outline-offset: 3px; border-radius: 2px;
}

/* ---- Surtitre de section : filet accent + libellé court ---- */
.label {
  display: flex; align-items: center; gap: var(--e3);
  font-size: var(--t-label); font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--sauge); margin: 0 0 var(--e4);
}
.label::before {
  content: ""; width: 34px; height: 1px; flex: 0 0 34px; background: var(--ambre);
}
.label--light { color: rgba(245, 241, 232, 0.62); }
.label--light::before { background: var(--or); }

.section-head { margin-bottom: var(--e5); }
.section-head--center { max-width: 44rem; margin-inline: auto; text-align: center; }
.section-head--center .label { justify-content: center; }
.section-head h2 { font-size: var(--t-titre); line-height: 1.1; }
.section-head__chapo {
  margin-top: var(--e3); font-size: var(--t-chapeau); line-height: 1.6;
  color: var(--texte-doux); max-width: var(--measure);
}
.section-head--center .section-head__chapo { margin-inline: auto; }

/* ----------------------------- boutons ----------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--e2);
  padding: 14px 26px;
  font-size: 1rem; font-weight: 700; letter-spacing: 0.02em;
  text-decoration: none; border-radius: var(--r1); border: 1px solid transparent;
  transition: transform var(--court), background-color var(--court), color var(--court), border-color var(--court);
}
.btn svg { transition: transform var(--court) var(--courbe); }
.btn:hover svg { transform: translateX(3px); }
.btn--sm { padding: 9px 16px; font-size: 0.9rem; }
.btn--full { width: 100%; justify-content: center; }
.btn--plein { background: var(--ambre); color: var(--craie); }
.btn--plein:hover { background: var(--ambre-fonce); transform: translateY(-2px); }
.btn--fantome { border-color: currentColor; color: var(--craie); }
.btn--fantome:hover { background: rgba(245, 241, 232, 0.12); transform: translateY(-2px); }
.btn--fantome-dark { border-color: #cbc2ab; color: var(--ecorce); background: transparent; }
.btn--fantome-dark:hover { border-color: var(--ambre); color: var(--ambre); transform: translateY(-2px); }
.entreprise .btn--fantome, .devis__aside .btn--fantome { color: var(--ecorce); }
@media (prefers-reduced-motion: reduce) { .btn:hover, .btn:hover svg { transform: none; } }

/* ============================= HEADER ============================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; padding-block: var(--e2);
  transition: background-color var(--moyen), box-shadow var(--moyen);
}
.site-header[data-state="top"] { background: transparent; color: var(--craie); }
.site-header[data-state="scrolled"] {
  background: var(--craie); color: var(--ecorce);
  box-shadow: 0 1px 0 var(--lin), 0 12px 28px -14px rgba(20,31,25,.14);
}
.site-header__inner { display: flex; align-items: center; gap: var(--e4); min-height: 66px; }
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; margin-right: auto; }
.brand__logo { display: block; width: auto; }
.brand__mark { color: var(--ambre); display: flex; }
.brand__name { font-family: var(--serif); font-size: 1.2rem; font-weight: 500; letter-spacing: 0.01em; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 10px 13px; font-size: 0.9375rem; font-weight: 500; text-decoration: none;
  background: none; border: 0; color: inherit;
}
.site-header[data-state="top"] .nav__link { color: rgba(245, 241, 232, 0.85); }
.nav__link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 6px; height: 1.5px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform var(--court) var(--courbe);
}
.nav__link:hover::after, .nav__group[data-open="true"] .nav__toggle::after { transform: scaleX(1); }
.site-header[data-state="top"] .nav__link:hover { color: #FFFDF9; }
.site-header[data-state="scrolled"] .nav__link:hover { color: var(--ambre); }
/* Liens de section : affichés, mais pas encore cliquables (vraies pages à venir) */
.nav__link--static { pointer-events: none; cursor: default; }
.nav__chevron { transition: transform var(--court); }
.nav__group[data-open="true"] .nav__chevron { transform: rotate(180deg); }

.site-header__actions { display: flex; align-items: center; gap: var(--e3); }
.header__tel {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.9375rem; font-weight: 600; text-decoration: none; white-space: nowrap;
}
.header__tel svg { color: var(--sauge-clair); }
.site-header[data-state="top"] .header__tel { color: rgba(245, 241, 232, 0.92); }
.site-header[data-state="top"] .header__tel svg { color: rgba(245, 241, 232, 0.7); }
.header__tel:hover { color: var(--ambre); }
.site-header[data-state="top"] .header__tel:hover { color: var(--craie); }

.nav__group { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + var(--e1)); left: 0; min-width: 300px;
  background: var(--sapin-fonce); border: 1px solid rgba(245, 241, 232, 0.1);
  border-radius: var(--r2); padding: var(--e2); box-shadow: var(--ombre-2); color: var(--craie);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--court) var(--courbe), transform var(--court) var(--courbe), visibility var(--court);
}
.dropdown[hidden] { display: none; }
.nav__group[data-open="true"] .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown__item {
  display: flex; align-items: center; gap: 0.75rem; padding: 11px 14px;
  font-size: 0.9375rem; font-weight: 500; text-decoration: none; border-radius: var(--r1);
  transition: background-color var(--court), padding-left var(--court) var(--courbe);
}
.dropdown__item:hover { background: rgba(245, 241, 232, 0.07); padding-left: 18px; }
.dropdown__item:hover .dropdown__icon { color: var(--or); }
.dropdown__item--static { pointer-events: none; cursor: default; }
.dropdown__icon { transition: color var(--court); }
.dropdown__icon { display: flex; color: var(--sauge-clair); flex-shrink: 0; }

.burger {
  display: none; flex-direction: column; gap: 5px;
  width: 42px; height: 42px; align-items: center; justify-content: center;
  background: none; border: 1.5px solid rgba(245,241,232,.32); border-radius: var(--r1);
}
.site-header[data-state="scrolled"] .burger { border-color: var(--lin); }
.burger span { display: block; width: 20px; height: 2px; background: currentColor; transition: transform var(--court), opacity var(--court); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 66px 0 0 0; background: var(--sapin); color: var(--craie);
  padding: var(--e4) var(--gutter) var(--e7); overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--court) var(--courbe), transform var(--court) var(--courbe), visibility var(--court);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu__inner { display: flex; flex-direction: column; }
.mobile-menu__inner > a, .mobile-menu__static {
  display: block; padding: var(--e3) 0; text-decoration: none;
  font-family: var(--serif); font-size: 1.5rem; font-weight: 500;
  border-bottom: 1px solid rgba(245, 241, 232, 0.12);
  transition: color var(--court), padding-left var(--court) var(--courbe);
}
.mobile-menu__inner > a:active { color: var(--or); }
/* Entrées pas encore cliquables : affichées, sans interaction */
.mobile-menu__static { pointer-events: none; cursor: default; }
.mobile-menu__tel { color: var(--or); }
.mobile-acc__head {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: var(--e3) 0; background: none; border: 0;
  font-family: var(--serif); font-weight: 500; font-size: 1.5rem;
  border-bottom: 1px solid rgba(245, 241, 232, 0.12);
}
.mobile-acc__head svg { transition: transform var(--court); }
.mobile-acc__head[aria-expanded="true"] svg { transform: rotate(180deg); }
.mobile-acc__panel { padding: var(--e2) 0 var(--e3); }
.mobile-acc__panel[hidden] { display: none; }
.mobile-acc__panel a, .mobile-acc__item {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.65rem 0 0.65rem var(--e3);
  text-decoration: none; font-size: 1.0625rem; color: var(--texte-clair);
}
.mobile-acc__item { pointer-events: none; cursor: default; }

/* ============================== HERO ============================== */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-block: calc(var(--e8) + var(--e3)) var(--e7);
  color: var(--craie); overflow: hidden; background: var(--ecorce);
}
.hero__bg, .hero__video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0;
}
.hero__bg { animation: derive 34s ease-in-out infinite alternate; }
.hero__video { opacity: 0; transition: opacity 1.1s var(--courbe); }
.hero__video.is-playing { opacity: 1; }
.hero__veil { position: absolute; inset: 0; z-index: 1; }
.hero__veil:not(.hero__veil--lat) {
  background: linear-gradient(180deg, rgba(20,31,25,.36) 0%, rgba(20,31,25,.16) 38%, rgba(20,31,25,.30) 72%, rgba(20,31,25,.74) 100%);
}
.hero__veil--lat {
  background: linear-gradient(90deg, rgba(20,31,25,.74) 0%, rgba(20,31,25,.46) 32%, rgba(20,31,25,.12) 60%, rgba(20,31,25,0) 82%);
}
.hero__inner { position: relative; z-index: 3; }
.hero__eyebrow {
  font-size: var(--t-label); font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(245, 241, 232, 0.72); margin-bottom: var(--e3);
}
.hero__title {
  font-size: var(--t-geant); line-height: 1.05; letter-spacing: -0.02em;
  max-width: 20ch; text-wrap: balance; text-shadow: 0 2px 30px rgba(0, 0, 0, 0.35);
  opacity: 0; transition: opacity .4s var(--courbe);
}
.hero__title[data-revealed], .no-js .hero__title { opacity: 1; }
.hero__accent {
  font-style: italic;
  color: color-mix(in srgb, var(--or) 82%, #f2d9a8);
}
/* Révélation ligne par ligne du titre — le seul moment animé de la page */
.hero__title[data-lines] { text-wrap: initial; }
.hero__title .hero__line { display: block; overflow: hidden; }
.hero__title .hero__line > span {
  display: block;
  transform: translateY(105%);
  transition: transform .9s cubic-bezier(.16, 1, .3, 1);
}
.hero__title[data-revealed] .hero__line > span { transform: none; }
.hero__title .hero__line:nth-child(2) > span { transition-delay: .09s; }
.hero__title .hero__line:nth-child(3) > span { transition-delay: .18s; }
.hero__title .hero__line:nth-child(4) > span { transition-delay: .27s; }
@media (prefers-reduced-motion: reduce) {
  .hero__title .hero__line > span { transform: none; transition: none; }
}
.hero__sub {
  margin-top: var(--e4); max-width: 52ch; font-size: var(--t-chapeau); line-height: 1.6;
  color: rgba(245, 241, 232, 0.92); text-shadow: 0 1px 14px rgba(0, 0, 0, 0.4);
}
.hero__cta { margin-top: var(--e5); display: flex; flex-wrap: wrap; gap: var(--e4); align-items: center; }
.hero__tel {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 1rem; font-weight: 600; color: var(--craie); text-decoration: none;
}
.hero__tel svg { color: var(--or); }
.hero__tel:hover { color: var(--or); }
.hero__scroll { position: absolute; z-index: 3; left: 50%; bottom: 1.6rem; transform: translateX(-50%); }
.hero__scroll span { display: block; width: 1px; height: 46px; background: linear-gradient(to bottom, transparent, var(--craie)); }

@keyframes derive {
  from { transform: scale(1) translate3d(0, 0, 0); }
  to { transform: scale(1.07) translate3d(-1%, -1%, 0); }
}
@media (prefers-reduced-motion: reduce) { .hero__bg { animation: none; } .hero__video { display: none; } }

/* ---- Graduation en mètres (signature) ---- */
.metrage {
  position: absolute; z-index: 3; pointer-events: none;
  display: flex; flex-direction: column; justify-content: space-between;
}
.metrage::before {
  content: ""; position: absolute; top: 6%; bottom: 6%; width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(245,241,232,.22) 15%, rgba(245,241,232,.22) 85%, transparent);
}
.metrage__tick {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.7rem; letter-spacing: 0.02em; color: rgba(245, 241, 232, 0.5);
}
.metrage__tick i { display: block; width: 16px; height: 1px; background: currentColor; flex: 0 0 auto; }
.metrage__tick b { font-weight: 400; white-space: nowrap; }
.metrage__tick:first-child { color: var(--or); }
.metrage--hero { right: 0; top: 0; bottom: 0; width: 74px; padding-block: 16vh 13vh; align-items: flex-end; }
.metrage--hero::before { right: 0; }
.metrage--hero .metrage__tick { flex-direction: row-reverse; }
@media (max-width: 900px) { .metrage--hero { display: none; } }

/* ============ BANDE DE TRANSITION : ENGAGEMENTS + VILLES ============ */
.transition { background: var(--fond-clair); background-color: var(--craie); }
.reassurance { background: transparent; padding-block: var(--e4); }
.engagements {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.engagement {
  display: flex; align-items: center; gap: var(--e3);
  padding: var(--e2) var(--e4) var(--e2) 0;
  border-left: 1px solid var(--lin);
}
.engagement:first-child { border-left: 0; padding-left: 0; }
.engagement:not(:first-child) { padding-left: var(--e4); }
.engagement__icon {
  flex: 0 0 34px; width: 34px; height: 34px; border-radius: var(--r1);
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--sapin) 8%, transparent);
  color: var(--sapin);
}
.engagement__icon svg { width: 18px; height: 18px; }
.engagement__title { font-family: var(--serif); font-weight: 500; font-size: 1rem; line-height: 1.2; }
.engagement__sub { margin-top: 2px; font-size: 0.8125rem; line-height: 1.35; color: var(--texte-doux); }

.marquee {
  background: var(--sapin); color: rgba(245, 241, 232, 0.72);
  overflow: hidden; padding-block: var(--e3);
  border-top: 1px solid rgba(245, 241, 232, 0.1);
}
.marquee__track { display: flex; align-items: center; width: max-content; animation: ruban 55s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  font-size: var(--t-petit); text-transform: uppercase; letter-spacing: 0.14em;
  padding-inline: var(--e4); white-space: nowrap;
}
.marquee__sep { width: 3px; height: 3px; border-radius: 50%; background: var(--or); flex-shrink: 0; }
@keyframes ruban { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; flex-wrap: wrap; width: auto; } }

/* =========================== L'ENTREPRISE =========================== */
.entreprise { background: var(--fond-clair); background-color: var(--craie); padding-block: var(--e7); overflow: clip; }
.entreprise__grid { display: grid; gap: var(--e5) var(--e6); grid-template-columns: 1.05fr 0.95fr; align-items: stretch; }
.entreprise__body { display: flex; flex-direction: column; }
.entreprise__body h2 { margin-bottom: var(--e4); }
.entreprise__body p { margin-bottom: var(--e3); max-width: var(--measure); }
.entreprise__certs { font-size: var(--t-petit); color: var(--texte-doux); }
.entreprise__sign { font-family: var(--serif); font-size: 1.1rem; color: var(--ecorce); margin-top: var(--e4); }
/* La colonne texte dicte la hauteur de la rangée ; la photo n'y participe pas
   (elle est sortie du flux) et se contente de la remplir à l'identique, du
   haut du surtitre au bas des chiffres, quitte à recadrer avec object-fit. */
.entreprise__media { margin: 0; position: relative; overflow: hidden; border-radius: var(--r2); box-shadow: var(--ombre-2); }
.entreprise__media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.2s var(--courbe);
}
.entreprise__media:hover img { transform: scale(1.03); }
@media (prefers-reduced-motion: reduce) { .entreprise__media:hover img { transform: none; } }

/* ---- Chiffres clés : serif, unité en exposant ---- */
.chiffres {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin: var(--e5) 0 0; gap: var(--e4) 0;
}
.chiffre {
  display: flex; flex-direction: column;
  padding-right: var(--e4); border-top: 1px solid var(--ambre);
  padding-top: var(--e3);
}
.chiffre__num {
  order: 1; margin: 0;
  font-family: var(--serif); font-weight: 400; font-size: clamp(2.25rem, 4vw, 3rem);
  line-height: 1; color: var(--ecorce);
}
.chiffre__num sup { font-size: 52%; font-weight: 400; margin-left: 1px; color: var(--ambre); top: -0.7em; }
.chiffre__label {
  order: 2; margin: var(--e3) 0 0;
  font-size: var(--t-label); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--sauge); line-height: 1.5;
}

/* ============================ PRESTATIONS ============================ */
.prestations { background: var(--fond-lin); background-color: var(--lin); padding-block: var(--e7); }
.pastilles { display: flex; flex-wrap: wrap; gap: var(--e2); margin-top: var(--e4); }
.pastille {
  display: inline-flex; align-items: center; gap: var(--e2);
  padding: 7px 14px 7px 11px; border-radius: var(--r3);
  background: var(--craie); border: 1px solid #d9d1bd;
  font-size: var(--t-petit); color: var(--texte-doux);
}
.pastille svg { color: var(--ambre); flex: 0 0 auto; }

/* ---- Carrousel de prestations (version C retenue, retours V3) ---- */
.presta-carousel { position: relative; }
.presta-track {
  display: flex; gap: var(--e4);
  overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x proximity; scroll-padding-left: 1px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.presta-track::-webkit-scrollbar { display: none; }
.presta-slide {
  position: relative; overflow: hidden;
  flex: 0 0 clamp(250px, 32vw, 365px); aspect-ratio: 3 / 4;
  scroll-snap-align: start;
  border-radius: var(--r2); background: var(--sapin-fonce); box-shadow: var(--ombre-1);
  scroll-margin-top: 100px;
  transition: transform var(--moyen) var(--courbe), box-shadow var(--moyen) var(--courbe);
}
.presta-slide:hover { transform: translateY(-4px); box-shadow: var(--ombre-2); }
.presta-slide__media { position: absolute; inset: 0; }
.presta-slide__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--courbe); }
.presta-slide:hover .presta-slide__media img { transform: scale(1.05); }
.presta-slide__veil {
  position: absolute; inset: 0;
  /* le texte doit rester lisible en permanence : voile plus fort qu'un simple hover */
  background: linear-gradient(180deg, rgba(18,32,25,.18) 0%, rgba(18,32,25,.42) 34%, rgba(18,32,25,.78) 60%, rgba(18,32,25,.96) 100%);
}
.presta-slide__body { position: absolute; inset: auto 0 0 0; padding: var(--e4); color: var(--craie); }
.presta-slide__body h3 { font-family: var(--serif); font-size: 1.4rem; line-height: 1.15; margin-bottom: var(--e2); color: var(--craie); }
.presta-slide__body p { font-size: var(--t-petit); line-height: 1.5; color: rgba(245, 241, 232, 0.9); }
.presta-slide__media .img-fallback { position: absolute; inset: 0; }
@media (prefers-reduced-motion: reduce) {
  .presta-slide:hover, .presta-slide:hover .presta-slide__media img { transform: none; }
}

.presta-nav { display: flex; align-items: center; gap: var(--e4); margin-top: var(--e4); }
.presta-progress {
  flex: 1 1 auto; height: 2px; border-radius: 2px; overflow: hidden;
  background: #ded6c3;
}
.presta-progress__bar {
  display: block; height: 100%; width: 16%; border-radius: 2px;
  background: var(--ambre); transition: width .15s linear;
}
.presta-nav__btns { display: flex; gap: var(--e2); flex: 0 0 auto; }
.presta-nav__btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid #d9d1bd; background: var(--craie); color: var(--ecorce);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--court), color var(--court), background-color var(--court);
}
.presta-nav__btn:hover { border-color: var(--ambre); color: var(--ambre); }
.presta-nav__btn:disabled { opacity: .35; pointer-events: none; }

.clientele { display: grid; gap: var(--e4); grid-template-columns: repeat(2, 1fr); margin-top: var(--e4); }
.clientele__card {
  background: var(--sapin); color: var(--craie);
  padding: clamp(1.75rem, 3vw, 2.75rem); border-radius: var(--r2);
  box-shadow: 0 0 0 1px rgba(245,241,232,.08);
  transition: transform var(--moyen) var(--courbe), box-shadow var(--moyen) var(--courbe);
}
.clientele__card:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px rgba(201,139,62,.4), var(--ombre-2); }
.clientele__card h3 { font-size: 1.4rem; margin-bottom: var(--e2); color: var(--craie); }
.clientele__card p { color: var(--texte-clair); font-size: 1rem; }
.clientele__link {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: var(--e3);
  font-weight: 700; font-size: 0.9rem; color: var(--or); text-decoration: none;
}
.clientele__link:hover { text-decoration: underline; }
.clientele__link svg { transition: transform var(--court); }
.clientele__link:hover svg { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) { .clientele__card:hover { transform: none; } .clientele__link:hover svg { transform: none; } }

/* =============================== AVIS =============================== */
.avis { background: var(--fond-sombre); background-color: var(--sapin); color: var(--craie); padding-block: clamp(5rem, 10vw, 8.5rem); }
.avis__head { margin-bottom: var(--e6); }
.avis__head h2 { font-size: var(--t-titre); color: var(--craie); }
.avis__resume {
  display: flex; align-items: center; gap: var(--e3); flex-wrap: wrap;
  margin-top: var(--e4); font-size: var(--t-petit); color: rgba(245, 241, 232, 0.78);
}
.avis__resume-stars { color: var(--or); font-size: 1.15rem; letter-spacing: 2px; }
.avis__resume strong { color: var(--craie); font-weight: 700; }

.avis__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--e4); }
.avis-card {
  display: flex; flex-direction: column;
  background: var(--sapin-fonce); border: 1px solid rgba(245, 241, 232, 0.09);
  border-radius: var(--r2); padding: var(--e5) var(--e4) var(--e4);
  transition: border-color var(--moyen), transform var(--moyen) var(--courbe);
}
.avis-card:hover { border-color: rgba(201, 139, 62, 0.4); transform: translateY(-4px); }
.avis-card__stars { color: var(--or); font-size: 0.95rem; letter-spacing: 2px; margin-bottom: var(--e3); }
.avis-card__text {
  margin: 0 0 var(--e4); font-family: var(--serif); font-size: 1.0625rem; line-height: 1.6;
  color: rgba(245, 241, 232, 0.9); flex: 1 1 auto;
}
.avis-card__foot {
  display: flex; align-items: center; gap: var(--e3);
  padding-top: var(--e4); border-top: 1px solid rgba(245, 241, 232, 0.09);
}
.avis-card__avatar {
  flex: 0 0 42px; width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--or) 18%, var(--sapin));
  border: 1px solid rgba(201, 139, 62, 0.4);
  font-family: var(--serif); font-size: 1.15rem; color: var(--or);
}
.avis-card__name { display: block; font-weight: 700; font-size: 0.9rem; }
.avis-card__meta { display: block; font-size: var(--t-label); color: rgba(245, 241, 232, 0.5); margin-top: 2px; letter-spacing: 0.04em; }
.avis__cta { margin-top: var(--e6); text-align: center; }
.avis__cta p { margin-top: var(--e3); font-size: var(--t-label); color: rgba(245, 241, 232, 0.5); letter-spacing: 0.04em; }
@media (prefers-reduced-motion: reduce) { .avis-card:hover { transform: none; } }

/* ===================== ZONE D'INTERVENTION ===================== */
.zone { background: var(--fond-ecorce); background-color: var(--ecorce); color: var(--craie); padding-block: var(--e7); }
.zone .section-head h2 { color: var(--craie); }
.zone__top {
  display: grid; grid-template-columns: 1.35fr 1fr;
  gap: var(--e5); align-items: stretch; margin-bottom: var(--e4);
}
.zone__text { display: flex; flex-direction: column; justify-content: center; }
.zone__desc { font-size: 1.0625rem; line-height: 1.7; color: rgba(245, 241, 232, 0.82); max-width: 52ch; }
.zone__tags { display: flex; flex-wrap: wrap; gap: var(--e2); margin-top: var(--e4); }
.zone__tag {
  font-size: 0.8rem; color: rgba(245, 241, 232, 0.82);
  background: var(--sapin); border: 1px solid rgba(245, 241, 232, 0.1);
  padding: 5px 12px; border-radius: var(--r1);
  transition: border-color var(--court), color var(--court);
}
.zone__tag:hover { border-color: rgba(201, 139, 62, 0.5); color: var(--or); }
.zone__tag--main { border-color: rgba(201, 139, 62, 0.5); color: var(--or); font-weight: 600; }
.zone__link {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: var(--e5);
  font-weight: 700; font-size: 0.875rem; color: var(--or); text-decoration: none;
}
.zone__link:hover { text-decoration: underline; }
.zone__link svg { transition: transform var(--court); }
.zone__link:hover svg { transform: translateX(3px); }

.zone__card {
  background: var(--sapin); border: 1px solid rgba(201, 139, 62, 0.35);
  border-radius: var(--r2); padding: var(--e5) var(--e4);
  display: flex; flex-direction: column;
}
.zone__card-title { font-family: var(--serif); font-size: 1.35rem; color: var(--craie); }
.zone__card-sub { font-size: var(--t-label); letter-spacing: 0.05em; color: rgba(245, 241, 232, 0.5); margin-top: 2px; }
.zone__card-rows { margin: var(--e4) 0; display: grid; gap: var(--e4); }
.zone__card-rows div { display: flex; align-items: center; justify-content: space-between; gap: var(--e3); }
.zone__card-rows dt { font-size: 0.9rem; color: rgba(245, 241, 232, 0.8); }
.zone__card-rows dd {
  margin: 0; font-size: 0.8rem; font-weight: 700; color: var(--or);
  background: rgba(201, 139, 62, 0.12); border: 1px solid rgba(201, 139, 62, 0.35);
  padding: 3px 10px; border-radius: var(--r1); white-space: nowrap;
}
.zone__card .btn { margin-top: auto; }
.zone__map {
  border-radius: var(--r2); overflow: hidden; border: 1px solid rgba(245, 241, 232, 0.12);
  aspect-ratio: 5 / 2; background: var(--sapin); margin-top: var(--e2);
}
.zone__map iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 720px) { .zone__map { aspect-ratio: 4 / 3; } }

/* ========================== POURQUOI NOUS ========================== */
.pourquoi { background: var(--fond-lin); background-color: var(--lin); padding-block: var(--e7); overflow: clip; }
.pourquoi__grid { display: grid; gap: var(--e5) var(--e6); grid-template-columns: 0.72fr 1.28fr; align-items: start; }
.pourquoi__media { margin: 0; max-width: 360px; position: relative; }
.pull { position: relative; border-radius: var(--r2); overflow: hidden; box-shadow: var(--ombre-2); }
.pull img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 28%; }
/* ---- Flocage du pull : imite un vrai flocage serigraphie sur le tissu ---- */
.pull__flocage {
  position: absolute; left: 50%; top: 54%; width: 38%;
  container-type: inline-size;
  transform: translateX(-50%) rotate(-3deg);
  color: #fdfbf3;
  text-align: center;
}
.pull__flocage-top { display: flex; align-items: center; justify-content: center; gap: 9%; }
.pull__flocage-icon {
  width: 28%; height: auto; flex-shrink: 0; overflow: visible;
  opacity: 0.62; mix-blend-mode: normal;
}
.pull__flocage-icon path, .pull__flocage-icon circle { stroke-width: 2.8; }
.pull__flocage-name {
  display: flex; flex-direction: column; gap: 0.03em; text-align: left;
  font-family: var(--sans); font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.01em; line-height: 0.96; font-size: 15.5cqw;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.55);
  mix-blend-mode: soft-light; opacity: 1; filter: url(#floc-texture);
}
.pull__flocage-name span { display: block; white-space: nowrap; }
.pull__flocage-tagline {
  margin: 8% 0 0; font-family: var(--sans); font-weight: 600;
  font-size: 6.4cqw; letter-spacing: 0.03em;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.55);
  mix-blend-mode: soft-light; opacity: 1; filter: url(#floc-texture);
}
.metrage--pull { left: -58px; top: 0; bottom: 0; width: 52px; padding-block: 4% 6%; }
@media (max-width: 1220px) { .metrage--pull { display: none; } }
.metrage--pull::before { right: 0; }
.metrage--pull .metrage__tick { flex-direction: row-reverse; color: var(--sauge); font-size: 0.66rem; }
.metrage--pull .metrage__tick:first-child { color: var(--ambre); }
.metrage--pull .metrage__tick i { width: 12px; }

.pourquoi__list {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--e5) var(--e5); margin: 0; padding: 0;
}
.pourquoi__item {
  list-style: none; padding-top: var(--e3);
  border-top: 1px solid #d9d1bd;
}
.pourquoi__no {
  display: block; font-family: var(--serif); font-size: 0.95rem;
  color: var(--ambre); letter-spacing: 0.04em; margin-bottom: var(--e2);
}
.pourquoi__item h3 { font-size: 1.2rem; line-height: 1.25; margin-bottom: var(--e2); }
.pourquoi__item p { color: var(--texte-doux); font-size: 0.95rem; line-height: 1.6; }
@media (prefers-reduced-motion: reduce) { .pourquoi__item:hover { transform: none; } }

/* =========================== RÉALISATIONS =========================== */
.realisations { background: var(--fond-clair); background-color: var(--craie); padding-block: var(--e7); }
.mosaic { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: clamp(120px, 15vw, 175px); gap: var(--e3); }
.mosaic__item { position: relative; overflow: hidden; border-radius: var(--r2); margin: 0; box-shadow: var(--ombre-1); grid-row: span 2; }
.mosaic__item:nth-child(3n+1) { grid-row: span 3; }
.mosaic__open { display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.mosaic__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--courbe); }
@media (hover: hover) and (pointer: fine) { .mosaic__item:hover img { transform: scale(1.05); } }
@media (prefers-reduced-motion: reduce) { .mosaic__item img { transition: none; } }
.realisations__more { margin-top: var(--e5); text-align: center; }

/* ============================== FAQ ============================== */
.faq { background: var(--fond-lin); background-color: var(--lin); padding-block: var(--e7); }
.faq__list { max-width: 780px; margin-inline: auto; display: flex; flex-direction: column; gap: var(--e2); }
.faq__item {
  background: var(--craie); border: 1px solid #ded6c3; border-radius: var(--r2);
  transition: border-color var(--court), background-color var(--court);
}
.faq__item[open] { border-color: rgba(168, 100, 31, 0.35); background: #fbf8f0; }
.faq__item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: var(--e4);
  padding: var(--e4);
  font-family: var(--serif); font-size: 1.2rem; line-height: 1.3; color: var(--ecorce);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--ambre); }
.faq__item[open] summary { color: var(--ambre); }
.faq__chevron { flex: 0 0 auto; display: flex; color: var(--ambre); transition: transform var(--court) var(--courbe); }
.faq__item[open] .faq__chevron { transform: rotate(180deg); }
.faq__answer { padding: 0 var(--e4) var(--e4); }
.faq__answer p { max-width: var(--measure); color: var(--texte-doux); font-size: 1rem; line-height: 1.75; }
.faq__item[open] .faq__answer { animation: faq-open .35s var(--courbe); }
@keyframes faq-open { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .faq__item[open] .faq__answer { animation: none; } }

/* =============================== DEVIS =============================== */
.devis { position: relative; background: var(--ecorce); color: var(--craie); padding-block: var(--e7); overflow: hidden; }
.devis__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; animation: derive 40s ease-in-out infinite alternate; }
.devis::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(105deg, rgba(20, 31, 25, 0.95) 30%, rgba(20, 31, 25, 0.82)), linear-gradient(rgba(20, 31, 25, 0.30), rgba(20, 31, 25, 0.55));
}
.devis__grid { position: relative; z-index: 2; display: grid; gap: var(--e6); grid-template-columns: 0.9fr 1.1fr; align-items: start; }
.devis__aside h2 { font-size: var(--t-titre); line-height: 1.1; margin-bottom: var(--e3); color: var(--craie); }
.devis__aside > p { color: rgba(245, 241, 232, 0.82); max-width: 44ch; }
.devis__contact { margin: var(--e5) 0 0; display: grid; gap: var(--e3); }
.devis__contact div { display: grid; gap: 0.15rem; }
.devis__contact dt { font-size: var(--t-label); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sauge-clair); }
.devis__contact dd { margin: 0; font-size: 1.0625rem; }
.devis__contact a { color: var(--craie); text-decoration: none; }
.devis__contact a:hover { color: var(--or); }
@media (prefers-reduced-motion: reduce) { .devis__bg { animation: none; } }

.devis__form { display: grid; gap: var(--e4); }
.field { display: grid; gap: 0.4rem; }
.field label { font-size: var(--t-label); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(245, 241, 232, 0.8); }
.field label span { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--sauge-clair); }
.field input, .field textarea {
  font: inherit; color: var(--craie); background: transparent;
  border: 0; border-bottom: 1px solid rgba(245, 241, 232, 0.32);
  padding: 0.55rem 0.1rem; border-radius: 0; transition: border-color var(--court);
}
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ambre); }
.field textarea { resize: vertical; min-height: 5.5em; }
.field input::placeholder, .field textarea::placeholder { color: rgba(245, 241, 232, 0.4); }
.field--file input { padding: 0.5rem 0; font-size: 0.9rem; color: rgba(245, 241, 232, 0.7); }
.field--file input::file-selector-button {
  font: inherit; margin-right: 0.8rem; padding: 0.45rem 0.9rem;
  background: rgba(245, 241, 232, 0.1); color: var(--craie);
  border: 1px solid rgba(245, 241, 232, 0.3); border-radius: var(--r1);
}
.devis__form .btn { justify-self: start; margin-top: var(--e1); }
.devis__status { font-size: var(--t-petit); min-height: 1.2em; }
.devis__status[data-kind="ok"] { color: #9fce8f; }
.devis__status[data-kind="err"] { color: var(--or); }
.devis__legal { font-size: var(--t-petit); color: rgba(245, 241, 232, 0.55); }

/* ======================= BANDEAU AVANT FOOTER ======================= */
.cta-band { background: var(--ambre); }
.cta-band__inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--e5);
  padding-block: var(--e6);
}
.cta-band__title { font-size: clamp(1.6rem, 2.6vw, 2.2rem); line-height: 1.2; color: var(--ecorce); }
.cta-band__sub { margin-top: var(--e2); font-size: 1rem; line-height: 1.5; color: rgba(20, 31, 25, 0.78); max-width: 52ch; }
.cta-band__btns { display: flex; gap: var(--e3); flex-shrink: 0; }
.cta-band__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.95rem 1.6rem; text-decoration: none; white-space: nowrap;
  border: 2px solid var(--ecorce); border-radius: var(--r1);
  transition: opacity var(--court), transform var(--court);
}
.cta-band__btn:hover { opacity: 0.85; transform: translateY(-1px); }
.cta-band__btn--dark { background: var(--ecorce); color: var(--craie); }
.cta-band__btn--outline { background: transparent; color: var(--ecorce); }

/* ====================== BOUTON FLOTTANT DEVIS ====================== */
.devis-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 90;
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--ambre); color: var(--craie);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; padding: 13px 20px; border-radius: var(--r1);
  box-shadow: 0 8px 26px -6px rgba(20, 31, 25, 0.5);
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity var(--moyen) var(--courbe), transform var(--moyen) var(--courbe), background-color var(--court);
}
.devis-float.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.devis-float:hover { background: var(--ambre-fonce); }
.devis-float__short { display: none; }
@media (max-width: 640px) {
  .devis-float { bottom: 16px; right: 16px; padding: 11px 16px; }
  .devis-float__long { display: none; }
  .devis-float__short { display: inline; }
}
@media (prefers-reduced-motion: reduce) { .devis-float { transition: opacity var(--court); transform: none; } }

/* ============================== FOOTER ============================== */
.site-footer { background: var(--ecorce); color: rgba(245, 241, 232, 0.7); padding-block: var(--e6) var(--e4); }
.site-footer__grid { display: grid; gap: var(--e5); grid-template-columns: 1.7fr 1fr 1fr 1.1fr; }
.site-footer__name { font-family: var(--serif); font-size: 1.2rem; color: var(--craie); margin-bottom: var(--e2); }
.site-footer__brand p { max-width: 34ch; font-size: 0.9375rem; line-height: 1.7; }
.site-footer__small { margin-top: var(--e2); font-size: var(--t-label); color: var(--sauge-clair); }
.site-footer__col h3 {
  font-size: var(--t-label); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--sauge-clair); margin-bottom: var(--e3);
}
.site-footer__col li { margin-bottom: var(--e2); font-size: 0.9375rem; }
.site-footer__col a { text-decoration: none; transition: padding-left var(--court) var(--courbe), color var(--court); }
.site-footer__col a:hover { color: var(--craie); padding-left: var(--e2); }
.site-footer__bottom {
  margin-top: var(--e6); padding-top: var(--e4);
  border-top: 1px solid rgba(245, 241, 232, 0.12);
  display: flex; flex-wrap: wrap; gap: var(--e2) var(--e5); align-items: center;
  font-size: var(--t-label); letter-spacing: 0.02em; color: rgba(245, 241, 232, 0.55);
}
.site-footer__links { display: flex; gap: var(--e4); }
.site-footer__links a { text-decoration: none; }
.site-footer__links a:hover { text-decoration: underline; color: var(--craie); }
.site-footer__credit { margin-left: auto; color: var(--sauge-clair); }
@media (prefers-reduced-motion: reduce) { .site-footer__col a:hover { padding-left: 0; } }

/* ============================== LIGHTBOX ============================== */
.lightbox {
  position: fixed; inset: 0; z-index: 400;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1rem, 5vw, 4rem);
  background: rgba(13, 19, 15, 0.98);
}
.lightbox[hidden] { display: none; }
.lightbox { animation: lb-in .2s var(--courbe); }
@keyframes lb-in { from { opacity: 0; } to { opacity: 1; } }
.lightbox__stage { margin: 0; max-width: 1100px; width: 100%; display: flex; flex-direction: column; align-items: center; gap: var(--e3); }
.lightbox__img {
  max-width: 100%; max-height: 78vh; object-fit: contain; border-radius: var(--r1); box-shadow: var(--ombre-3);
  animation: lb-img .32s var(--courbe);
}
@keyframes lb-img { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .lightbox, .lightbox__img { animation: none; } }
.lightbox__caption { font-size: var(--t-petit); color: rgba(245, 241, 232, 0.75); text-align: center; max-width: 60ch; }
.lightbox__close {
  position: absolute; top: 1.1rem; right: 1.1rem; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(245, 241, 232, 0.08); border: 1px solid rgba(245, 241, 232, 0.2);
  border-radius: var(--r1); color: var(--craie);
}
.lightbox__close:hover { background: rgba(245, 241, 232, 0.18); }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
  background: rgba(245, 241, 232, 0.06); border: 1px solid rgba(245, 241, 232, 0.16);
  border-radius: 50%; color: var(--craie);
}
.lightbox__nav:hover { background: rgba(245, 241, 232, 0.16); }
.lightbox__nav--prev { left: clamp(0.5rem, 3vw, 2rem); }
.lightbox__nav--next { right: clamp(0.5rem, 3vw, 2rem); }
@media (max-width: 640px) {
  .lightbox__nav { width: 40px; height: 40px; }
  .lightbox__nav--prev { left: 0.4rem; } .lightbox__nav--next { right: 0.4rem; }
}

/* placeholder image manquante */
.img-fallback {
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: var(--sapin-fonce); color: rgba(245,241,232,.55);
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 1rem; width: 100%; height: 100%;
}

/* ========================== RESPONSIVE ========================== */
@media (max-width: 1000px) {
  .engagements { grid-template-columns: repeat(2, 1fr); row-gap: var(--e4); }
  .engagement, .engagement:not(:first-child) { padding-inline: 0; }
  .engagement:nth-child(2n) { padding-left: var(--e4); border-left: 1px solid var(--lin); }
  .engagement:nth-child(odd) { border-left: 0; }
  .avis__grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .entreprise__grid, .pourquoi__grid, .devis__grid { grid-template-columns: 1fr; }
  .zone__top { grid-template-columns: 1fr; }
  .entreprise__media { order: -1; max-width: 460px; height: auto; aspect-ratio: 4 / 3; }
  .pourquoi__media { max-width: 460px; }
  .pull img { aspect-ratio: 3 / 4; }
  .chiffres { grid-template-columns: repeat(2, 1fr); gap: var(--e5) var(--e4); }
  .zone__map { aspect-ratio: 16 / 9; }
}

@media (max-width: 720px) {
  .pourquoi__list { grid-template-columns: 1fr; gap: var(--e4); }
}

@media (max-width: 820px) {
  .nav, .site-header__actions { display: none; }
  .burger { display: flex; }
  .site-header[data-state="top"] { background: var(--sapin); }
}

@media (max-width: 640px) {
  .engagements { grid-template-columns: 1fr; }
  .engagement, .engagement:nth-child(n) {
    border-left: 0; padding-left: 0; padding-block: var(--e3);
    border-bottom: 1px solid var(--lin);
  }
  .engagement:last-child { border-bottom: 0; }
  .presta-slide { flex-basis: 72vw; }
  .presta-nav__btn { width: 40px; height: 40px; }
  .clientele { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(150px, 40vw, 220px); }
  .mosaic__item:nth-child(3n+1) { grid-row: span 2; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn, .hero__cta .hero__tel { justify-content: center; }
  .hero__title { font-size: clamp(2.1rem, 9vw, 2.9rem); }
  .hero { padding-block: calc(var(--e8)) var(--e6); }
  .cta-band__inner { flex-direction: column; align-items: flex-start; gap: var(--e4); }
  .cta-band__btns { width: 100%; flex-direction: column; }
  .cta-band__btn { width: 100%; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .site-footer__credit { margin-left: 0; }
  .reassurance, .entreprise, .prestations, .avis, .zone, .pourquoi, .realisations, .faq, .devis { padding-block: var(--e6); }
}

@media (max-width: 380px) {
  .mosaic { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .mosaic__item, .mosaic__item:nth-child(3n+1) { grid-row: auto; }
  .mosaic__item img { aspect-ratio: 4 / 3; }
}