/* ============================================================
   max-cam-charpentier-4 — cluster C "Atelier-fier héritage"
   Tokens, composants signature, motion, responsive.
   Source d'autorité : _research/dossier.md (frontmatter verrouillé).
   ============================================================ */

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* Sol & encre — extraits Filson tracés */
  --bg-sand-kraft: #e6dbcb;    /* sol dominant, area 10.6M Filson */
  --bg-sand-deep:  #dacbb7;    /* tampon, area 4.7M Filson */
  --ink:           #0e0e0b;    /* encre presque-noire Filson */
  --ink-soft:      #3a342b;    /* gris-carton secondaire */
  --paper:         #ffffff;    /* overlays, inputs */

  /* Accent drenché — LOCK accent-locks.json */
  --basque-red:       #d12e26; /* rouge Espelette drenché */
  --basque-red-deep:  #b32820; /* hover -8% */
  --sand-inverse:     #f0e6d4; /* texte sur bandeaux rouges/noirs */

  /* Wash photo RARE */
  --burnt-wood:       #7c4a1f;

  /* Tokens cluster C */
  --radius: 0;
  --shadow: none;
  --maxw: 1440px;
  --gutter: 32px;
  --pad-x: clamp(20px, 4vw, 48px);

  /* Easings tracés */
  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);    /* power2-out doux */
  --ease-lookbook: cubic-bezier(0.45, 0, 0.55, 1);    /* Stutterheim 700ms ease-in-out */
  --ease-snap:     cubic-bezier(0.65, 0, 0.35, 1);

  /* Types */
  --ff-display: 'Big Shoulders Display', 'Arial Narrow', 'Helvetica Neue', sans-serif;
  --ff-body:    'Bricolage Grotesque', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Echelle */
  --fs-hero-chunk:   clamp(72px, 11vw, 156px);
  --fs-display-sect: clamp(56px, 6.4vw, 96px);
  --fs-display-tile: clamp(40px, 4.5vw, 80px);
  --fs-h2-prose:     clamp(34px, 4vw, 52px);
  --fs-h3-cartel:    clamp(22px, 2vw, 28px);
  --fs-lead:         clamp(18px, 1.5vw, 22px);
  --fs-body:         17px;
  --fs-micro:        13px;
  --fs-mega-foot:    clamp(120px, 17vw, 240px);
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html.no-scroll { overflow: hidden; }
body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
ul, ol, dl { list-style: none; padding: 0; margin: 0; }
input, select, textarea, button { font-family: inherit; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { padding: 0; }

::selection { background: var(--basque-red); color: var(--sand-inverse); }

/* Placeholders rayés (fallback si l'image manque, garde la position de l'<img>) */
.ph { background:
    repeating-linear-gradient(45deg,
      var(--ink-soft) 0 1px,
      transparent 1px 14px),
    var(--bg-sand-deep);
  width: 100%; height: 100%;
  position: absolute; inset: 0;
  z-index: 0;
}

/* ============================================================
   HEADER (Filson-style : fixed 88px transparent, scrolled → sable)
   ============================================================ */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 24px;
  height: 88px;
  padding: 0 var(--pad-x);
  color: var(--sand-inverse);
  transition: background-color 400ms var(--ease-out), color 400ms var(--ease-out);
}
.hdr--scrolled {
  background: var(--bg-sand-kraft);
  color: var(--ink);
  border-bottom: 0;
}
.hdr__brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: inherit;
}
.hdr__mark { width: 36px; height: 36px; }
.hdr__name {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1;
}
.hdr__nav {
  display: flex; gap: 32px; justify-self: end;
  font-family: var(--ff-body);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hdr__nav a {
  position: relative;
  padding: 6px 2px;
  transition: color 400ms ease-in-out;
}
.hdr__nav a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--basque-red);
  transition: right 280ms var(--ease-out);
}
.hdr__nav a:hover::after { right: 0; }
.hdr__cta {
  /* déjà stylé par .btn--devis */
  padding: 12px 22px;
  font-size: 14px;
}
.hdr__burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 6px;
}
.hdr__burger span {
  display: block; width: 28px; height: 2px;
  background: currentColor;
  transition: transform 300ms var(--ease-out), opacity 200ms var(--ease-out);
}
.hdr--open .hdr__burger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hdr--open .hdr__burger span:nth-child(2) { opacity: 0; }
.hdr--open .hdr__burger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   BOUTONS — 0 radius, 1px solid de la couleur du fill, padding généreux
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--ff-body);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 250ms var(--ease-out),
              color 250ms var(--ease-out),
              transform 250ms var(--ease-out);
}
.btn--devis {
  background: var(--basque-red);
  color: var(--sand-inverse);
  border-color: var(--basque-red);
}
.btn--devis:hover {
  background: var(--basque-red-deep);
  border-color: var(--basque-red-deep);
  transform: translateY(-1px);
}
.btn--appel {
  background: var(--ink);
  color: var(--sand-inverse);
  border-color: var(--ink);
}
.btn--appel:hover {
  background: var(--basque-red);
  color: var(--sand-inverse);
  border-color: var(--basque-red);
  transform: translateY(-1px);
}
.btn__icon { width: 18px; height: 18px; flex: 0 0 18px; }
.btn--block { display: flex; width: 100%; padding: 18px 22px; }

/* ============================================================
   HERO — drapeau planté typographique sur photo full-bleed
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  padding: 0;
  overflow: hidden;
  background: var(--ink);
}
.hero__photo {
  position: absolute; inset: -10% 0 -10% 0;
  width: 100%; height: 120%;
  object-fit: cover;
  object-position: 50% 55%;
  z-index: 0;
  will-change: transform;
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 78% 100% at 6% 105%,
      rgba(14,14,11,.86) 0%,
      rgba(14,14,11,.66) 28%,
      rgba(14,14,11,.34) 52%,
      rgba(14,14,11,.0) 78%),
    radial-gradient(ellipse 62% 82% at 12% 96%,
      rgba(209,46,38,.30) 0%,
      rgba(209,46,38,.0) 62%),
    linear-gradient(180deg,
      rgba(14,14,11,.42) 0%,
      rgba(14,14,11,.05) 26%,
      rgba(14,14,11,.18) 48%,
      rgba(14,14,11,.55) 78%,
      rgba(14,14,11,.88) 100%);
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 100svh;
  padding: 140px var(--pad-x) 80px;
  max-width: var(--maxw); margin: 0 auto;
  color: var(--sand-inverse);
}

/* Titre en chunks empilés — signature drapeau planté */
.hero__flag {
  display: flex; flex-direction: column;
  margin: 0 0 32px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: var(--fs-hero-chunk);
  line-height: 0.88;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.hero__flag .chunk {
  display: block;
  clip-path: inset(0 0 100% 0);
  transform: translateY(8px);
  transition:
    clip-path 700ms var(--ease-out),
    transform 700ms var(--ease-out);
  transition-delay: calc(var(--i) * 80ms + 120ms);
}
.hero__flag .chunk.is-in {
  clip-path: inset(0 0 0 0);
  transform: translateY(0);
}

.hero__sub {
  max-width: 620px;
  margin: 0 0 32px;
  font-size: var(--fs-lead);
  font-weight: 500;
  line-height: 1.45;
  color: var(--sand-inverse);
}

.hero__ctas {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero__metro {
  position: absolute;
  bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 2;
  display: inline-flex; align-items: center; gap: 14px;
  padding: 0 var(--pad-x);
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand-inverse);
  opacity: 0.78;
}
.hero__metro-dot {
  width: 4px; height: 4px;
  background: var(--basque-red);
}

/* ============================================================
   BANNER FLAG — bandeau diagonal drenché rouge basque + marquee
   ============================================================ */
.banner-flag {
  position: relative;
  background: var(--basque-red);
  color: var(--sand-inverse);
  padding: 32px 0;
  overflow: hidden;
}
.banner-flag__track {
  display: flex; gap: 0;
  width: max-content;
  animation: marquee 60s linear infinite;
}
.banner-flag__row {
  display: inline-flex; align-items: center; gap: 22px;
  padding: 0 12px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(54px, 6vw, 88px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0;
  white-space: nowrap;
}
.banner-flag__sep {
  display: inline-block;
  color: var(--sand-inverse);
  opacity: 0.55;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   TILES — Filson catalogue, titre UPPERCASE 80px sur photo
   ============================================================ */
.tiles {
  padding: 120px var(--pad-x) 96px;
  background: var(--paper);
}
.tiles__hdr {
  max-width: var(--maxw); margin: 0 auto 64px;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px;
  align-items: end;
}
.tiles__title {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(48px, 6vw, 92px);
  line-height: 0.92;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--ink);
}
.tiles__lead {
  margin: 0 0 6px;
  font-size: var(--fs-lead);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 460px;
}
.tiles__grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.tile {
  position: relative;
  display: block;
  aspect-ratio: 5/4;
  overflow: hidden;
  background: var(--ink);
  color: var(--sand-inverse);
  transition: transform 350ms var(--ease-out);
}
.tile__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-out), filter 350ms var(--ease-out);
}
.tile__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,14,11,.05) 0%, rgba(14,14,11,.20) 45%, rgba(14,14,11,.78) 100%);
  transition: background-color 350ms var(--ease-out);
}
.tile__copy {
  position: absolute; inset: auto 0 0 0;
  padding: 40px var(--gutter) 36px;
  z-index: 2;
}
.tile__title {
  margin: 0 0 8px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: var(--fs-display-tile);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.tile__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 400;
  max-width: 480px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 350ms var(--ease-out), transform 350ms var(--ease-out);
}
.tile:hover { transform: translateY(-2px); }
.tile:hover .tile__photo { transform: scale(1.04); }
.tile:hover .tile__scrim {
  background: linear-gradient(180deg, rgba(14,14,11,.15) 0%, rgba(14,14,11,.35) 45%, rgba(14,14,11,.88) 100%);
}
.tile:hover .tile__sub { opacity: 0.9; transform: translateY(0); }

/* ============================================================
   MANIFESTE FIER — bandeau sable plein-bleed, phrase 96px centrée
   ============================================================ */
.manifeste {
  position: relative;
  padding: 140px var(--pad-x);
  background: var(--ink);
  color: var(--sand-inverse);
  text-align: center;
}
.manifeste__sig svg path { stroke: var(--sand-inverse) !important; }
.manifeste__wrap {
  max-width: 1100px; margin: 0 auto;
}
.manifeste__phrase {
  margin: 0 0 56px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: var(--fs-display-sect);
  line-height: 0.96;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--sand-inverse);
}
.manifeste__phrase .chunk {
  display: block;
}
.manifeste__sig svg {
  width: clamp(220px, 30vw, 360px);
  height: auto;
  margin: 0 auto 18px;
}
.manifeste__sigsub {
  margin: 0;
  font-family: var(--ff-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--sand-inverse) 70%, transparent);
}

/* ============================================================
   LOOKBOOK — 3 chambres plein-bleed empilées + fade-in 700ms
   ============================================================ */
.lookbook {
  background: var(--ink);
}
.chamber {
  position: relative;
  display: block;
  width: 100%;
  height: clamp(560px, 84vh, 880px);
  overflow: hidden;
}
.chamber__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 700ms var(--ease-lookbook), transform 1200ms var(--ease-out);
  transform: scale(1.05);
}
.chamber.is-in .chamber__photo { opacity: 1; transform: scale(1); }
.chamber__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(14,14,11,.78) 0%, rgba(14,14,11,.32) 45%, rgba(14,14,11,0) 70%);
  z-index: 1;
}
.chamber__copy {
  position: absolute;
  left: var(--pad-x); right: var(--pad-x); bottom: 56px;
  max-width: 720px;
  color: var(--sand-inverse);
  z-index: 2;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out) 200ms, transform 700ms var(--ease-out) 200ms;
}
.chamber.is-in .chamber__copy { opacity: 1; transform: translateY(0); }
.chamber__caps {
  margin: 0 0 16px;
  font-family: var(--ff-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand-inverse);
  opacity: 0.85;
}
.chamber__title {
  margin: 0 0 18px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(48px, 5.4vw, 76px);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.chamber__sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  max-width: 540px;
}

/* ============================================================
   ZONE D'INTERVENTION
   ============================================================ */
.zone {
  padding: 140px var(--pad-x);
  background: var(--paper);
}
.zone__grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 72px;
  align-items: start;
}
.zone__title {
  margin: 0 0 24px;
  font-family: var(--ff-body);
  font-size: var(--fs-h2-prose);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.zone__lead {
  max-width: 560px;
  margin: 0 0 48px;
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--ink);
}
.zone__map {
  margin: 0;
  width: 100%;
  max-width: 720px;
}
.zone__map-frame {
  display: block;
  width: 100%;
  height: clamp(320px, 42vh, 480px);
  border: 2px solid var(--ink);
  background: var(--bg-sand-deep);
  filter: grayscale(0.5) contrast(1.05);
}
.zone__map-cap {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  font-family: var(--ff-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.zone__map-cap strong { font-weight: 700; }
.zone__map-pin {
  width: 10px; height: 10px;
  background: var(--basque-red);
  border-radius: 50%;
  flex: 0 0 10px;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--basque-red) 25%, transparent);
}
.zone__map-link {
  margin-left: auto;
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--basque-red);
  transition: color 220ms var(--ease-out);
}
.zone__map-link:hover { color: var(--basque-red-deep); }
.zone__cities {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding-top: 64px;
}
.zone__cities li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  padding: 14px 0;
}
.zone__cities li:first-child .zone__city {
  color: var(--basque-red);
}
.zone__city {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(22px, 1.8vw, 30px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.zone__dist {
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ============================================================
   CONTACT — 2 colonnes : formulaire / affiche
   ============================================================ */
.contact {
  padding: 140px var(--pad-x);
  background: var(--bg-sand-kraft);
}
.contact__grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}

/* Formulaire — inputs bordés 2px solid #0e0e0b, 0 radius */
.form__title {
  margin: 0 0 14px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.94;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.form__lead {
  margin: 0 0 36px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 520px;
}
.form__radios {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}
.form__radios legend {
  grid-column: 1 / -1;
  margin-bottom: 12px;
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form__radios label {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  height: 56px;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 220ms var(--ease-out), color 220ms var(--ease-out);
}
.form__radios input { position: absolute; opacity: 0; pointer-events: none; }
.form__radios label span {
  font-family: var(--ff-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.form__radios label:hover { background: var(--bg-sand-deep); }
.form__radios input:checked + span { color: var(--sand-inverse); }
.form__radios label:has(input:checked) {
  background: var(--ink);
  color: var(--sand-inverse);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form__field {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 16px;
}
.form__field span {
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 18px 18px;
  font-size: 16px;
  font-family: var(--ff-body);
  font-weight: 500;
  color: var(--ink);
  background: var(--paper);
  border: 0;
  border-radius: var(--radius);
  outline: none;
  box-shadow: inset 0 -2px 0 transparent;
  transition: background-color 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}
.form__field input::placeholder,
.form__field textarea::placeholder { color: color-mix(in srgb, var(--ink-soft) 55%, transparent); }
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  background: var(--paper);
  box-shadow: inset 0 -2px 0 var(--basque-red);
}
.form__field textarea { resize: vertical; min-height: 110px; }

/* Coordonnées au format affiche */
.poster {
  padding: 40px 36px 36px;
  background: var(--ink);
  color: var(--sand-inverse);
  display: flex; flex-direction: column; gap: 18px;
}
.poster__name {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(52px, 5vw, 80px);
  line-height: 0.9;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.poster__addr {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 500;
}
.poster__phone {
  display: flex; flex-direction: column; gap: 8px;
  margin: 18px 0 6px;
  padding: 24px 28px;
  background: var(--basque-red);
  color: var(--sand-inverse);
  border: 1px solid var(--basque-red);
  transition: background-color 250ms var(--ease-out), border-color 250ms var(--ease-out);
}
.poster__phone:hover {
  background: var(--basque-red-deep);
  border-color: var(--basque-red-deep);
}
.poster__phone-label {
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.85;
}
.poster__phone-num {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1;
  letter-spacing: -0.01em;
}
.poster__hours {
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  row-gap: 6px; column-gap: 18px;
  align-items: baseline;
}
.poster__hours dt {
  font-family: var(--ff-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--basque-red);
  grid-row: span 2;
}
.poster__hours dd {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}
.poster__siret {
  margin: 16px 0 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--sand-inverse) 60%, transparent);
}

/* ============================================================
   FOOTER — wordmark géant 220px scroll-draw + 4 micro-colonnes
   ============================================================ */
.ftr {
  background: var(--ink);
  color: var(--sand-inverse);
  padding: 72px var(--pad-x) 40px;
  overflow: hidden;
}
.ftr__wordmark-wrap {
  max-width: var(--maxw); margin: 0 auto;
}
.ftr__wordmark {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(72px, 13vw, 200px);
  line-height: 0.86;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--sand-inverse);
  clip-path: inset(0 100% 0 0);
  transition: clip-path 2200ms var(--ease-out);
}
.ftr__wordmark.is-in {
  clip-path: inset(0 0 0 0);
}
.ftr__cols {
  max-width: var(--maxw); margin: 24px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, var(--sand-inverse) 12%, transparent);
}
.ftr__col p {
  margin: 0 0 4px;
  font-family: var(--ff-body);
  font-size: 14px;
  line-height: 1.55;
}
.ftr__caps {
  font-size: 12px !important;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--basque-red) !important;
  margin-bottom: 10px !important;
}
.ftr__col a {
  border-bottom: 1px solid transparent;
  transition: border-color 220ms var(--ease-out);
}
.ftr__col a:hover { border-color: var(--basque-red); }

/* ============================================================
   RESPONSIVE — 3 paliers : fluide / tablette burger / mobile
   ============================================================ */

/* Tablette ≤ 1024 : nav → burger */
@media (max-width: 1024px) {
  .hdr {
    grid-template-columns: auto 1fr auto;
    gap: 14px;
  }
  .hdr__nav {
    position: fixed;
    top: 88px; left: 0; right: 0;
    width: 100vw;
    height: calc(100vh - 88px);
    padding: 48px var(--pad-x) 32px;
    background: var(--bg-sand-kraft);
    color: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 4px;
    font-size: clamp(32px, 7vw, 44px);
    font-family: var(--ff-display);
    font-weight: 800;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    transform: translateY(-110%);
    transition: transform 400ms var(--ease-out);
    z-index: 49;
    overflow-y: auto;
    box-sizing: border-box;
  }
  .hdr__nav a {
    width: 100%;
    border-bottom: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  }
  .hdr__nav a:last-child { border-bottom: 0; }
  .hdr__nav a { padding: 12px 0; }
  .hdr__nav a::after { display: none; }
  .hdr--open .hdr__nav { transform: translateY(0); }
  .hdr--open { background: var(--bg-sand-kraft); color: var(--ink); }
  .hdr__cta { display: none; }
  .hdr__burger { display: inline-flex; }

  .tiles__hdr { grid-template-columns: 1fr; gap: 16px; }
  .zone__grid { grid-template-columns: 1fr; gap: 56px; }
  .zone__cities { padding-top: 16px; }
  .contact__grid { grid-template-columns: 1fr; gap: 56px; }
}

/* Mobile ≤ 720 */
@media (max-width: 720px) {
  :root {
    --gutter: 18px;
  }
  .hero__content {
    padding: 120px var(--pad-x) 100px;
  }
  .hero__flag {
    font-size: clamp(56px, 14vw, 96px);
  }
  .hero__sub { font-size: 17px; max-width: 100%; }
  .hero__ctas { gap: 10px; }
  .btn { padding: 14px 22px; font-size: 15px; }
  .btn--block { padding: 16px 18px; }

  .hero__metro {
    flex-direction: column; gap: 4px;
    text-align: center;
    bottom: 14px;
    font-size: 10px;
  }
  .hero__metro-dot { display: none; }

  .banner-flag { padding: 24px 0; }
  .banner-flag__row { font-size: clamp(38px, 11vw, 56px); gap: 16px; }

  .tiles { padding: 80px var(--pad-x) 64px; }
  .tiles__grid { grid-template-columns: 1fr; gap: 16px; }
  .tile { aspect-ratio: 4/3; }
  .tile__copy { padding: 26px 22px 22px; }
  .tile__sub { opacity: 0.92; transform: none; }

  .manifeste { padding: 100px var(--pad-x); }
  .manifeste__phrase { font-size: clamp(40px, 11vw, 64px); }

  .chamber { height: clamp(440px, 78vh, 620px); }
  .chamber__title { font-size: clamp(38px, 10vw, 56px); }
  .chamber__copy { bottom: 36px; }

  .zone { padding: 80px var(--pad-x); }
  .zone__title { font-size: clamp(32px, 8vw, 44px); }
  .form__radios { grid-template-columns: repeat(2, 1fr); }
  .form__radios label { height: 52px; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .contact { padding: 80px var(--pad-x); }
  .form__title { font-size: clamp(32px, 8vw, 44px); }
  .poster { padding: 28px 22px; }
  .poster__phone { padding: 18px 20px; }

  .ftr { padding: 56px var(--pad-x) 32px; }
  .ftr__cols { grid-template-columns: 1fr 1fr; gap: 24px; }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .banner-flag__track { animation: none; }
  .hero__flag .chunk { clip-path: inset(0 0 0 0); transform: none; }
  .ftr__wordmark { clip-path: inset(0 0 0 0); }
  .chamber__photo { opacity: 1; transform: none; }
  .chamber__copy { opacity: 1; transform: none; }
}