/* ==========================================================================
   MBM — Montage Bâtiments Modulaires
   Design : premium industriel, minimaliste. La trame modulaire (grille de
   modules à cadre rouge) est la signature graphique du site.
   ========================================================================== */

:root {
  --rouge: #D6001C;
  --rouge-2: #A00016;
  --blanc: #FFFFFF;
  --gris: #F5F5F5;
  --nuit: #1B1B1B;
  --nuit-2: #222222;
  --encre: #2B2B2B;
  --acier: #6E7378;
  --acier-clair: #B7BBC0;
  --ligne: #E4E4E4;
  --police-titre: "Sora", "Inter", system-ui, sans-serif;
  --police-texte: "Inter", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--police-texte);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--encre);
  background: var(--blanc);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3 {
  font-family: var(--police-titre);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

a { color: inherit; }

.container {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Utilitaires ---------- */

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: -48px; left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--nuit);
  color: var(--blanc);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

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

/* ---------- Boutons ---------- */

.btn {
  display: inline-block;
  padding: 14px 30px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--police-texte);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, transform 0.2s;
}
.btn:active { transform: translateY(1px); }

.btn--rouge {
  background: var(--rouge);
  color: var(--blanc);
}
.btn--rouge:hover { background: var(--rouge-2); }

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--blanc);
}
.btn--ghost:hover {
  border-color: var(--blanc);
  background: rgba(255, 255, 255, 0.08);
}

/* ---------- Eyebrow : étiquette de section, marquée d'un module rouge ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rouge);
}
.eyebrow::before {
  content: "";
  width: 9px; height: 9px;
  background: var(--rouge);
  flex: none;
}
.eyebrow--clair { color: var(--blanc); }
.eyebrow--clair::before { background: var(--rouge); }

/* ---------- Header ---------- */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  transition: background-color 0.25s, box-shadow 0.25s;
}
.header--solide {
  background: var(--nuit);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}
.header__inner {
  max-width: 1180px;
  margin-inline: auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header__brand img { height: 42px; width: auto; }

.header__nav {
  display: flex;
  align-items: center;
  gap: 34px;
}
.header__nav a:not(.btn) {
  color: var(--blanc);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.header__nav a:not(.btn):hover { opacity: 1; }
.header__cta { padding: 11px 22px; font-size: 0.88rem; }

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px; height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}
.header__burger span {
  display: block;
  height: 2px;
  background: var(--blanc);
  transition: transform 0.25s;
}
.header__burger[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.header__burger[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--nuit);
  color: var(--blanc);
}
.hero__photo {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10, 10, 13, 0.85) 0%, rgba(10, 10, 13, 0) 38%),
    linear-gradient(98deg, rgba(10, 10, 13, 0.88) 8%, rgba(10, 10, 13, 0.55) 52%, rgba(10, 10, 13, 0.28) 100%);
}
.hero__content {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1180px;
  width: 100%;
  margin-inline: auto;
  padding: 140px 24px 48px;
}
.hero h1 {
  max-width: 19ch;
  font-size: clamp(2.35rem, 5.4vw, 4.1rem);
  font-weight: 800;
}
.hero__sub {
  max-width: 56ch;
  margin-top: 26px;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}
.hero__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 30px 24px 38px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.hero__stats div { padding-right: 24px; }
.hero__stats dt {
  font-family: var(--police-titre);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero__stats dd {
  margin: 4px 0 0;
  font-size: 0.88rem;
  color: var(--acier-clair);
}

/* ---------- Bande prestations ---------- */

.bande {
  background: var(--rouge);
  color: var(--blanc);
}
.bande p {
  max-width: 1180px;
  margin-inline: auto;
  padding: 15px 24px;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: center;
}

/* ---------- Clients : bande défilante ---------- */

.clients {
  padding-block: 52px 56px;
  border-bottom: 1px solid var(--ligne);
  overflow: hidden;
}
.clients__titre {
  justify-content: center;
  margin-bottom: 34px;
}
.clients__marquee {
  display: flex;
  gap: 72px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.clients__piste {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  align-items: center;
  gap: 72px;
  flex-shrink: 0;
  min-width: max-content;
  animation: clients-defile 38s linear infinite;
}
.clients__marquee:hover .clients__piste { animation-play-state: paused; }
.clients__piste li {
  display: flex;
  align-items: center;
  font-family: var(--police-titre);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: #9CA1A7;
  transition: color 0.2s;
}
.clients__piste li:hover { color: var(--nuit); }
.clients__piste li::after {
  content: "";
  width: 7px; height: 7px;
  background: var(--rouge);
  opacity: 0.45;
  margin-left: 72px;
  flex: none;
}
.clients__plus {
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.02em;
  font-style: italic;
}
@keyframes clients-defile {
  to { transform: translateX(calc(-100% - 72px)); }
}
@media (prefers-reduced-motion: reduce) {
  .clients__piste { animation: none; }
  .clients__marquee { overflow-x: auto; }
  .clients__piste[aria-hidden="true"] { display: none; }
}

/* ---------- Sections ---------- */

.section { padding-block: clamp(80px, 10vw, 130px); }

.section--gris { background: var(--gris); }

.section--nuit {
  background: var(--nuit);
  color: var(--blanc);
}
.section--nuit .section__intro { color: var(--acier-clair); }

/* Trame modulaire en fond (section engagements) */
.section--trame {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
}

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: end;
  gap: 24px 64px;
  margin-bottom: clamp(44px, 6vw, 72px);
}
.section__head h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.7rem);
  font-weight: 700;
  max-width: 22ch;
}
.section__intro {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--acier);
  max-width: 52ch;
}

/* ---------- Cartes expertises ---------- */

.cartes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.carte {
  position: relative;
  padding: 34px 28px 38px;
  background: var(--gris);
  border-top: 2px solid transparent;
  border-radius: 2px;
  transition: background-color 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.carte:hover {
  background: var(--blanc);
  border-top-color: var(--rouge);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -18px rgba(27, 27, 27, 0.22);
}
.carte svg {
  width: 30px; height: 30px;
  stroke: var(--rouge);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  margin-bottom: 26px;
}
.carte h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.carte p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--acier);
}
.cartes__note {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--ligne);
  font-size: 0.88rem;
  color: var(--acier);
}

/* ---------- Mosaïque réalisations ---------- */

.mosaique {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.mosaique__item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  height: 400px;
  margin: 0;
}
.mosaique__item--a, .mosaique__item--c { grid-column: span 7; }
.mosaique__item--b, .mosaique__item--liste { grid-column: span 5; }

.mosaique__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.mosaique__item:hover img { transform: scale(1.04); }

.mosaique__item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 56px 26px 22px;
  background: linear-gradient(to top, rgba(10, 10, 13, 0.85), transparent);
  font-size: 0.84rem;
  color: var(--acier-clair);
}
.mosaique__item figcaption span {
  display: block;
  font-family: var(--police-titre);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blanc);
  margin-bottom: 2px;
}

.mosaique__item--liste {
  background: var(--rouge);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
}
.mosaique__item--liste h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blanc);
  margin-bottom: 14px;
}
.mosaique__item--liste ul {
  list-style: none;
  margin: 0; padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}
.mosaique__item--liste li {
  padding: 9px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  font-family: var(--police-titre);
  font-size: 1rem;
  font-weight: 600;
  color: var(--blanc);
}

/* Références : environnements exigeants */
.refs {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.refs__titre {
  font-family: var(--police-titre);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blanc);
  margin-bottom: 20px;
}
.refs__liste {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.refs__liste li {
  padding: 11px 20px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 2px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--acier-clair);
  transition: border-color 0.2s, color 0.2s;
}
.refs__liste li:hover {
  border-color: var(--rouge);
  color: var(--blanc);
}

/* ---------- Atouts (Pourquoi MBM) ---------- */

.atouts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.atout {
  padding-top: 24px;
  border-top: 2px solid var(--nuit);
}
.atout h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.atout p {
  font-size: 0.92rem;
  color: var(--acier);
}

/* Encart flexibilité & sur-mesure */
.surmesure {
  margin-top: 56px;
  padding: 34px 38px;
  background: var(--gris);
  border-left: 3px solid var(--rouge);
  border-radius: 2px;
}
.surmesure h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.surmesure p {
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--acier);
  max-width: 86ch;
}

/* ---------- Process ---------- */

.process {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 36px;
  counter-reset: etape;
}
.process li {
  position: relative;
  padding-top: 40px;
}
/* rail horizontal */
.process li::before {
  content: "";
  position: absolute;
  top: 8px; left: 18px; right: -36px;
  height: 1px;
  background: #D7D7D7;
}
.process li:last-child::before { right: 0; }
/* nœud : module sur le rail */
.process li::after {
  content: "";
  position: absolute;
  top: 2px; left: 0;
  width: 13px; height: 13px;
  background: var(--gris);
  border: 2px solid var(--rouge);
}
.process__num {
  display: block;
  font-family: var(--police-titre);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--rouge);
  margin-bottom: 10px;
}
.process h3 {
  font-size: 1.06rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.process p {
  font-size: 0.88rem;
  color: var(--acier);
}

/* ---------- Engagements ---------- */

.engagements {
  list-style: none;
  margin: 0; padding: 1px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
}
.engagements li {
  background: var(--nuit-2);
  padding: 30px 28px 34px;
}
.engagements h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--blanc);
  margin-bottom: 10px;
}
.engagements h3::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--rouge);
  flex: none;
}
.engagements p {
  font-size: 0.88rem;
  color: #A9ADB3;
}

/* ---------- Témoignages ---------- */

.avis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.avis blockquote {
  margin: 0;
  padding-left: 26px;
  border-left: 2px solid var(--rouge);
}
.avis p {
  font-size: 0.98rem;
  line-height: 1.75;
}
.avis footer {
  margin-top: 18px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--acier);
}
.avis footer::before { content: "— "; }

/* ---------- Contact ---------- */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 56px;
  align-items: start;
}

.formulaire {
  background: var(--blanc);
  border: 1px solid var(--ligne);
  border-radius: 2px;
  padding: clamp(28px, 4vw, 44px);
}
.formulaire__ligne {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.champ { margin-bottom: 18px; }
.champ label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 7px;
}
.champ input[type="text"],
.champ input[type="tel"],
.champ input[type="email"],
.champ textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 0.95rem;
  color: var(--encre);
  background: var(--blanc);
  border: 1px solid #D5D5D5;
  border-radius: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.champ textarea { resize: vertical; min-height: 120px; }
.champ input:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--rouge);
  box-shadow: 0 0 0 3px rgba(214, 0, 28, 0.12);
}
.champ ::placeholder { color: #9AA0A6; }

.champ--consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 24px 0;
}
.champ--consent input {
  margin-top: 3px;
  width: 16px; height: 16px;
  accent-color: var(--rouge);
  flex: none;
}
.champ--consent label {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--acier);
  margin: 0;
}
.formulaire__submit { width: 100%; }
.formulaire__statut {
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}
.formulaire__statut--ok { color: #1B7A36; }
.formulaire__statut--erreur { color: var(--rouge); }

/* Carte de France en modules */
.coordonnees { padding-top: 6px; }
.coordonnees__france {
  width: 100%;
  max-width: 330px;
  display: block;
}
.coordonnees__france rect { fill: #CDD0D5; }
.coordonnees__france .m-hq {
  fill: var(--rouge);
  animation: pulse-module 2.2s ease-in-out infinite;
}
@keyframes pulse-module {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.coordonnees__legende {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 0.86rem;
  font-weight: 600;
}
.coordonnees__legende .point {
  width: 10px; height: 10px;
  background: var(--rouge);
  flex: none;
}
.coordonnees__bloc {
  font-style: normal;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid #DDDDDD;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95rem;
  line-height: 1.6;
}
.coordonnees__bloc strong {
  font-family: var(--police-titre);
  font-size: 1.1rem;
}
.coordonnees__bloc a {
  color: var(--encre);
  font-weight: 600;
  text-decoration-color: var(--rouge);
  text-underline-offset: 4px;
}
.coordonnees__bloc a[href^="tel"] {
  font-family: var(--police-titre);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  margin-top: 6px;
}

/* ---------- Footer ---------- */

.footer {
  background: #141414;
  color: #9A9EA3;
  font-size: 0.88rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.7fr) minmax(0, 1.1fr);
  gap: 48px;
  padding-block: 64px 40px;
}
.footer__marque img { height: 52px; width: auto; margin-bottom: 18px; }
.footer__marque p { max-width: 38ch; line-height: 1.7; }
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__nav a, .footer__infos a {
  color: #C9CCD1;
  text-decoration: none;
}
.footer__nav a:hover, .footer__infos a:hover {
  color: var(--blanc);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer__infos p + p { margin-top: 14px; }
.footer__bas {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 20px;
  font-size: 0.78rem;
}

/* ---------- Animations d'apparition ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .coordonnees__france .m-hq { animation: none; }
  .mosaique__item img { transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .cartes { grid-template-columns: repeat(2, 1fr); }
  .atouts { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .avis { grid-template-columns: 1fr; gap: 32px; }
  .engagements { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 44px 36px; }
  .process li::before { display: none; }
  .contact { grid-template-columns: 1fr; gap: 48px; }
  .coordonnees { max-width: 480px; }
}

@media (max-width: 760px) {
  .header__nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: var(--nuit);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .header--ouvert .header__nav { transform: none; }
  .header--ouvert { background: var(--nuit); }
  .header__nav a:not(.btn) { font-size: 1.25rem; }
  .header__burger { display: flex; position: relative; z-index: 10; }

  .hero__stats { grid-template-columns: 1fr; gap: 18px; padding-block: 26px 34px; }
  .hero__stats div {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 0;
  }
  .hero__stats dd { margin: 0; }

  .section__head { grid-template-columns: 1fr; align-items: start; }
  .cartes { grid-template-columns: 1fr; }
  .atouts { grid-template-columns: 1fr; }
  .engagements { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; gap: 0; }
  .process li { padding: 0 0 36px 34px; }
  .process li::before {
    display: block;
    top: 4px; left: 6px; right: auto; bottom: -4px;
    width: 1px; height: auto;
  }
  .process li:last-child::before { display: none; }
  .process li::after { top: 2px; }
  .process li:last-child { padding-bottom: 0; }

  .mosaique { grid-template-columns: 1fr; }
  .mosaique__item--a, .mosaique__item--b, .mosaique__item--c, .mosaique__item--liste {
    grid-column: 1 / -1;
  }
  .mosaique__item { height: 300px; }
  .mosaique__item--liste { height: auto; }
  .mosaique__item--liste li { padding: 12px 0; }

  .formulaire__ligne { grid-template-columns: 1fr; gap: 0; }

  .footer__inner { grid-template-columns: 1fr; gap: 36px; padding-block: 48px 32px; }
}

/* ---------- Page mentions légales ---------- */

.page-legale { padding-top: 90px; }
.container--etroit { max-width: 820px; }
.page-legale h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 40px;
}
.page-legale h2 {
  font-size: 1.3rem;
  margin: 36px 0 14px;
}
.page-legale .mt { margin-top: 12px; }
.page-legale .retour { margin-top: 48px; }
.page-legale .retour a {
  color: var(--rouge);
  font-weight: 600;
}