/* ==========================================================================
   Les Viviers — Delémont
   Feuille de style unique. Charte reprise du design source :
   crème #F2F0E7 · encre #262A22 · olive #6E7C4A · sauge #DCE2CE / #A9B18E
   Cormorant Garamond (titres) · DM Sans (texte) · IBM Plex Mono (labels)
   ========================================================================== */

:root {
  --creme:        #F2F0E7;
  --creme-2:      #E9E6D9;
  --sauge:        #DCE2CE;
  --sauge-clair:  #A9B18E;
  --olive:        #6E7C4A;
  --olive-fonce:  #43502C;
  --encre:        #262A22;
  --encre-2:      #2E3529;
  --texte:        #4A4E44;
  --texte-2:      #3A3E34;
  --gris:         #8A8D7F;
  --gris-2:       #6E7264;
  --blanc:        #FFFFFF;

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:  'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --page:  1360px;
  --gouttiere: clamp(20px, 4vw, 40px);
}

/* --------------------------------------------------------------- base --- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--creme);
  color: var(--encre);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--olive); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--encre); }

img { max-width: 100%; }
::selection { background: var(--sauge); }

input, textarea, button, select { font-family: var(--sans); font-size: 100%; }

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

.saut-contenu {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 14px 22px;
  background: var(--encre);
  color: var(--creme);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.saut-contenu:focus { left: 12px; top: 12px; color: var(--creme); }

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

/* ------------------------------------------------------ blocs communs --- */

.enveloppe {
  max-width: var(--page);
  margin: 0 auto;
}

.surtitre {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--olive);
  margin: 0;
}
.surtitre--clair { color: var(--sauge-clair); }

.titre-section {
  margin: 16px 0 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--encre);
  text-wrap: balance;
}
.titre-section--clair { color: var(--creme); font-weight: 300; }

.filet {
  width: 56px;
  height: 2px;
  background: var(--olive);
  margin: 30px 0 34px;
  border: 0;
}
.filet--clair { background: var(--sauge-clair); }

.texte { margin: 0; font-size: 17px; line-height: 1.78; color: var(--texte); text-wrap: pretty; }
.texte + .texte { margin-top: 22px; }

.mention {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gris);
}

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

.bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 30px;
  border: 0;
  border-radius: 2px;
  background: var(--olive);
  color: var(--blanc);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.bouton:hover { background: var(--blanc); color: var(--encre); }
.bouton--clair { background: var(--creme); color: var(--encre-2); }
.bouton--clair:hover { background: var(--sauge-clair); color: #1F241C; }
.bouton--fantome {
  height: 44px;
  padding: 0 24px;
  background: transparent;
  border: 1px solid rgba(242, 240, 231, .3);
  color: var(--creme);
  font-size: 11.5px;
  letter-spacing: .14em;
}
.bouton--fantome:hover { background: transparent; border-color: var(--sauge-clair); color: var(--creme); }
.bouton[disabled] { opacity: .55; cursor: progress; }

/* Animation d'apparition au scroll --------------------------------------- */

.revele { opacity: 0; transform: translateY(18px); }
.revele.est-visible {
  opacity: 1;
  transform: none;
  transition: opacity .8s ease, transform .8s ease;
}
.js-absent .revele { opacity: 1; transform: none; }

/* Affichage immédiat, sans transition : utilisé par le filet de sécurité du
   script. Une transition ne progresse pas dans un onglet en arrière-plan, et
   l'élément resterait alors bloqué à opacity 0. */
.revele.sans-animation {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

@keyframes vHeroZoom { from { transform: scale(1.02); } to { transform: scale(1.12); } }
@keyframes vFade     { from { opacity: 0; }            to { opacity: 1; } }

/* ============================================================ navigation === */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  border-bottom: 1px solid rgba(255, 255, 255, 0);
  transition: background .35s ease, border-color .35s ease;
}
.nav__barre {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 var(--gouttiere);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 2vw, 32px);
}
.nav__marque {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: .02em;
  color: var(--blanc);
  white-space: nowrap;
  flex: 0 0 auto;
  transition: color .35s ease;
}
.nav__marque:hover { color: var(--blanc); }
.nav__liens {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 30px);
  min-width: 0;
}
.nav__lien {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .82);
  white-space: nowrap;
  transition: color .35s ease;
}
.nav__lien:hover { color: var(--blanc); }
.nav__cta {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 clamp(14px, 1.4vw, 20px);
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blanc);
  white-space: nowrap;
  flex: 0 0 auto;
  transition: background .25s ease, color .25s ease, border-color .35s ease;
}
.nav__cta:hover { background: var(--blanc); color: var(--encre); border-color: var(--blanc); }

.nav__rail { height: 1px; background: rgba(0, 0, 0, .06); }
.nav__progression { height: 1px; width: 0; background: var(--olive); }

/* état « fond opaque », appliqué en JS après 90 px de défilement */
.nav.est-fixe {
  background: rgba(242, 240, 231, .94);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-color: rgba(38, 42, 34, .1);
}
.nav.est-fixe .nav__marque { color: var(--encre); }
.nav.est-fixe .nav__lien { color: var(--texte); }
.nav.est-fixe .nav__lien:hover { color: var(--encre); }
.nav.est-fixe .nav__cta { color: var(--encre); border-color: rgba(38, 42, 34, .3); }
.nav.est-fixe .nav__cta:hover { background: var(--encre); color: var(--creme); border-color: var(--encre); }

/* bouton burger — masqué au-dessus de 900 px */
.nav__burger {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  flex: 0 0 auto;
  transition: border-color .35s ease;
}
.nav__burger span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 4px auto;
  background: var(--blanc);
  transition: background .35s ease, transform .3s ease, opacity .3s ease;
}
.nav.est-fixe .nav__burger { border-color: rgba(38, 42, 34, .3); }
.nav.est-fixe .nav__burger span { background: var(--encre); }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ================================================================= hero === */

.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  background: var(--encre);
}
.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: vHeroZoom 26s ease-in-out infinite alternate;
}
.hero__voile {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(20, 24, 18, .52) 0%,
    rgba(20, 24, 18, .12) 34%,
    rgba(20, 24, 18, .30) 55%,
    rgba(20, 24, 18, .72) 100%);
}
.hero__contenu {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0 var(--gouttiere) 58px;
}
.hero__grille {
  max-width: var(--page);
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.hero__texte { max-width: 820px; }
.hero__eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .72);
  margin: 0;
}
.hero__titre {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(56px, 8.6vw, 150px);
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--blanc);
}
.hero__accroche {
  margin: 22px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(20px, 2.1vw, 30px);
  line-height: 1.4;
  color: rgba(255, 255, 255, .88);
  max-width: 660px;
  text-wrap: pretty;
}
.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}
.hero__adresse {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .7);
}

/* ====================================================== chiffres clés === */

.chiffres { background: var(--encre); color: var(--creme); }
.chiffres__grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.chiffres__cellule {
  padding: 44px 26px 46px;
  border-right: 1px solid rgba(242, 240, 231, .13);
  border-top: 1px solid rgba(242, 240, 231, .13);
}
.chiffres__cellule:last-child { border-right: 0; }
.chiffres__ligne { display: flex; align-items: baseline; gap: 6px; }
.chiffres__valeur { font-family: var(--serif); font-size: 52px; line-height: 1; color: var(--creme); }
.chiffres__unite  { font-family: var(--mono); font-size: 12px; color: var(--sauge-clair); }
.chiffres__label {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(242, 240, 231, .6);
}

/* =========================================================== le projet === */

.projet { padding: clamp(80px, 10vw, 130px) var(--gouttiere) clamp(70px, 8vw, 110px); }
.projet__grille {
  max-width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1.05fr);
  gap: clamp(48px, 6vw, 90px);
  align-items: start;
}
.etiquettes { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; list-style: none; }
.etiquettes li {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 15px;
  background: var(--sauge);
  color: var(--olive-fonce);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
}
.projet__images { display: flex; flex-direction: column; gap: 22px; }
.projet__images img { width: 100%; height: auto; display: block; border-radius: 2px; }
.projet__duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.projet__duo img { height: 340px; object-fit: cover; }

/* ============================================ surfaces & programme === */

.surfaces { background: var(--creme-2); padding: clamp(70px, 8vw, 110px) var(--gouttiere); }
.surfaces__entete {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.surfaces__resume {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.9;
  color: var(--gris-2);
  text-align: right;
  margin: 0;
}
.surfaces__colonnes {
  display: grid;
  grid-template-columns: minmax(300px, .85fr) minmax(320px, 1fr);
  gap: clamp(44px, 5vw, 80px);
  align-items: start;
}
.sous-titre {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--olive-fonce);
  margin: 0;
}
.sous-titre span { color: var(--gris); text-transform: none; letter-spacing: 0; }
.sous-titre--clair { color: var(--sauge-clair); }
.sous-titre--clair span { color: rgba(242, 240, 231, .55); }

/* tableau des surfaces */
.tableau-surfaces {
  width: 100%;
  margin-top: 26px;
  border-collapse: collapse;
  font-family: var(--mono);
}
.tableau-surfaces th,
.tableau-surfaces td {
  padding: 16px 0;
  border-top: 1px solid rgba(38, 42, 34, .14);
  text-align: right;
  font-weight: 400;
}
.tableau-surfaces thead th {
  border-top: 0;
  padding: 0 0 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--olive-fonce);
}
.tableau-surfaces th[scope="row"] {
  text-align: left;
  font-size: 13.5px;
  color: var(--texte-2);
  padding-right: 20px;
}
.tableau-surfaces td { font-size: 15px; color: var(--encre); padding-left: 36px; }

.encadre-situation {
  margin-top: 40px;
  background: var(--sauge);
  padding: 28px 30px;
  border-radius: 2px;
}
.encadre-situation p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--texte-2);
}

/* programme des locaux */
.niveau { margin-top: 34px; }
.niveau__titre {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 25px;
  color: var(--olive-fonce);
  margin: 0;
}
.liste-pieces { margin: 14px 0 0; padding: 0; list-style: none; }
.liste-pieces li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(38, 42, 34, .1);
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--texte-2);
}
.liste-pieces li span:last-child { color: var(--encre); white-space: nowrap; }

/* ================================================================ plans === */

.plans { padding: clamp(80px, 9vw, 120px) var(--gouttiere); }
.plans__entete {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.bascule-villa { display: flex; align-items: center; gap: 14px; }
.bascule-villa__label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gris);
}
.bascule-villa__groupe {
  display: flex;
  border: 1px solid rgba(38, 42, 34, .2);
  border-radius: 2px;
  overflow: hidden;
}
.bascule-villa__bouton {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 0 22px;
  height: 40px;
  background: transparent;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--texte-2);
  transition: background .2s ease, color .2s ease;
}
.bascule-villa__bouton:hover { background: var(--creme-2); }
.bascule-villa__bouton[aria-pressed="true"] { background: var(--olive); color: var(--blanc); }
.bascule-villa[hidden] { display: none; }

.onglets-plans {
  display: flex;
  gap: clamp(20px, 3vw, 34px);
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(38, 42, 34, .14);
}
.onglet {
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0 0 14px;
  text-align: left;
  position: relative;
}
.onglet__label {
  display: block;
  font-family: var(--serif);
  font-size: clamp(21px, 2.4vw, 26px);
  line-height: 1.1;
  color: var(--encre);
}
.onglet__indice {
  display: block;
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gris);
}
.onglet::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--olive);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.onglet[aria-selected="true"]::after { transform: scaleX(1); }

.plans__corps {
  margin-top: 46px;
  display: grid;
  grid-template-columns: minmax(320px, 1.6fr) minmax(260px, .55fr);
  gap: clamp(36px, 4vw, 60px);
  align-items: start;
}
.plans__cadre {
  display: block;
  width: 100%;
  background: var(--blanc);
  border: 1px solid rgba(38, 42, 34, .1);
  padding: 26px;
  cursor: zoom-in;
  border-radius: 2px;
}
.plans__cadre img {
  width: 100%;
  height: auto;
  display: block;
  animation: vFade .5s ease both;
}
.plans__titre { font-family: var(--serif); font-weight: 400; font-size: 34px; line-height: 1.1; color: var(--encre); margin: 0; }
.plans__portee {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--olive);
}
.plans__description { margin: 22px 0 0; font-size: 16px; line-height: 1.75; color: var(--texte); text-wrap: pretty; }
.plans__pieces { margin: 30px 0 0; padding: 0; list-style: none; }
.plans__pieces li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-top: 1px solid rgba(38, 42, 34, .12);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--texte-2);
}
.plans__pieces li span:last-child { color: var(--encre); white-space: nowrap; }

/* visionneuse plein écran */
.visionneuse {
  position: fixed;
  inset: 0;
  z-index: 90;
  border: 0;
  padding: clamp(20px, 4vw, 48px);
  background: rgba(20, 24, 18, .94);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: vFade .25s ease both;
}
.visionneuse[hidden] { display: none; }
.visionneuse img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: var(--blanc);
  padding: 20px;
}
.visionneuse__fermer {
  position: absolute;
  top: 22px; right: 26px;
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(242, 240, 231, .7);
}
.visionneuse__fermer:hover { color: var(--creme); }

/* ========================================================= prestations === */

.prestations {
  background: var(--encre);
  color: var(--creme);
  padding: clamp(80px, 9vw, 120px) var(--gouttiere);
}
.prestations__grille {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: rgba(242, 240, 231, .14);
}
.prestation { background: var(--encre); padding: 36px 32px 40px; }
.prestation h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sauge-clair);
}
.prestation p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(242, 240, 231, .8);
  text-wrap: pretty;
}
.budgets {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  align-items: end;
}
.budgets__liste { margin: 20px 0 0; padding: 0; list-style: none; }
.budgets__liste li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid rgba(242, 240, 231, .16);
  font-family: var(--mono);
  font-size: 14px;
  color: rgba(242, 240, 231, .85);
}
.budgets__liste li span:last-child { font-size: 15px; color: var(--creme); white-space: nowrap; }
.citation {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.5;
  color: rgba(242, 240, 231, .75);
  text-wrap: pretty;
}

/* ============================================================== énergie === */

.energie { padding: clamp(80px, 9vw, 120px) var(--gouttiere); }
.energie__cartes {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.carte-energie { background: var(--sauge); padding: 34px 32px 38px; border-radius: 2px; }
.carte-energie h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 29px;
  line-height: 1.15;
  color: var(--encre-2);
}
.carte-energie p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--olive-fonce);
  text-wrap: pretty;
}
.energie__stats {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border-top: 1px solid rgba(38, 42, 34, .16);
}
.energie__stat { padding: 30px 28px 34px; border-right: 1px solid rgba(38, 42, 34, .1); }
.energie__stat:last-child { border-right: 0; }
.energie__stat b {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 42px;
  line-height: 1;
  color: var(--olive);
}
.energie__stat span { display: block; margin-top: 12px; font-size: 14.5px; line-height: 1.6; color: var(--texte); }

/* ========================================================== extérieurs === */

.exterieurs__image {
  width: 100%;
  height: 62vh;
  min-height: 340px;
  object-fit: cover;
  display: block;
}
.exterieurs__corps { background: var(--creme-2); padding: clamp(56px, 6vw, 80px) var(--gouttiere); }
.exterieurs__grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(28px, 3vw, 44px);
}
.exterieurs__grille h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--olive-fonce);
}
.exterieurs__grille p { margin: 14px 0 0; font-size: 16px; line-height: 1.75; color: var(--texte); text-wrap: pretty; }

/* =========================================================== situation === */

.situation { padding: clamp(80px, 9vw, 120px) var(--gouttiere); }
.situation__grille {
  max-width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(320px, 1.2fr);
  gap: clamp(40px, 5vw, 70px);
  align-items: start;
}
.fiche { margin: 34px 0 0; }
.fiche > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid rgba(38, 42, 34, .14);
}
.fiche dt {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--olive);
}
.fiche dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--encre);
  text-align: right;
}
.situation__carte {
  background: var(--blanc);
  border: 1px solid rgba(38, 42, 34, .1);
  padding: 26px;
  border-radius: 2px;
}
.situation__carte img { width: 100%; height: auto; display: block; }
.situation__legende {
  margin: 16px 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--gris-2);
}
.situation__puce {
  width: 14px; height: 14px;
  background: var(--olive);
  display: inline-block;
  border-radius: 1px;
  flex: 0 0 auto;
}

/* ============================================================= contact === */

.contact {
  background: var(--encre-2);
  color: var(--creme);
  padding: clamp(80px, 9vw, 120px) var(--gouttiere) 70px;
}
.contact__grille {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(320px, 1.05fr);
  gap: clamp(44px, 5vw, 80px);
  align-items: start;
}
.contact__titre {
  margin: 16px 0 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(36px, 4.6vw, 68px);
  line-height: 1.02;
  color: var(--creme);
  text-wrap: balance;
}
.contact__intro {
  margin: 26px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(242, 240, 231, .78);
  max-width: 520px;
  text-wrap: pretty;
}
.contact__marque {
  margin-top: 44px;
  font-family: var(--serif);
  font-size: 34px;
  letter-spacing: .04em;
  color: var(--creme);
}
.contact__coordonnees {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 2;
  color: rgba(242, 240, 231, .82);
}
.contact__coordonnees a { color: rgba(242, 240, 231, .82); }
.contact__coordonnees a:hover { color: var(--blanc); }
.contact__architecte {
  margin-top: 30px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 240, 231, .55);
}
.contact__architecte a { color: rgba(242, 240, 231, .55); }
.contact__architecte a:hover { color: var(--blanc); }

/* formulaire */
.formulaire {
  background: rgba(242, 240, 231, .06);
  border: 1px solid rgba(242, 240, 231, .16);
  padding: clamp(28px, 3vw, 40px) clamp(24px, 3vw, 38px) 44px;
  border-radius: 2px;
}
.formulaire fieldset { margin: 0; padding: 0; border: 0; }
.formulaire legend {
  padding: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sauge-clair);
}
.choix-villa { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.choix-villa input { position: absolute; opacity: 0; pointer-events: none; }
.choix-villa label {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 20px;
  border: 1px solid rgba(242, 240, 231, .28);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--creme);
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.choix-villa label:hover { border-color: var(--sauge-clair); }
.choix-villa input:checked + label { background: var(--olive); border-color: var(--olive); }
.choix-villa input:focus-visible + label { outline: 2px solid var(--sauge-clair); outline-offset: 2px; }

.champs {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.champ { display: block; }
.champ--large { grid-column: 1 / -1; }
.champ > span {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(242, 240, 231, .6);
}
.champ input,
.champ textarea {
  margin-top: 8px;
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(242, 240, 231, .28);
  color: var(--creme);
  font-size: 15.5px;
  outline: none;
  transition: border-color .25s ease;
  border-radius: 0;
}
.champ input { height: 46px; }
.champ textarea { line-height: 1.7; resize: vertical; padding: 8px 0; min-height: 84px; }
.champ input:focus,
.champ textarea:focus { border-color: var(--sauge-clair); }
.champ input::placeholder,
.champ textarea::placeholder { color: rgba(242, 240, 231, .34); }
.champ input:-webkit-autofill { -webkit-text-fill-color: var(--creme); transition: background-color 9999s; }

.consentement {
  margin-top: 26px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(242, 240, 231, .68);
  cursor: pointer;
}
.consentement input {
  margin: 3px 0 0;
  width: 16px; height: 16px;
  accent-color: var(--olive);
  flex: 0 0 auto;
}
.consentement a { color: var(--sauge-clair); text-decoration: underline; }

/* pot de miel anti-robots — jamais visible, jamais atteint au clavier */
.pot-de-miel {
  position: absolute !important;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.formulaire__actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.formulaire__message {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: #D8A0A0;
}
.formulaire__message:empty { display: none; }

.confirmation { padding: 30px 0; animation: vFade .5s ease both; }
.confirmation[hidden] { display: none; }
.confirmation h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.1;
  color: var(--creme);
}
.confirmation p {
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.75;
  color: rgba(242, 240, 231, .78);
  max-width: 420px;
}
.confirmation .bouton { margin-top: 30px; }

/* pied de page */
.pied {
  margin-top: 90px;
  padding-top: 26px;
  border-top: 1px solid rgba(242, 240, 231, .16);
  display: flex;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.8;
  color: rgba(242, 240, 231, .45);
}
.pied p { margin: 0; max-width: 720px; }
.pied a { color: rgba(242, 240, 231, .45); text-decoration: underline; }
.pied a:hover { color: var(--creme); }

/* ========================================================== responsive === */

@media (max-width: 1080px) {
  .nav__lien--optionnel { display: none; }
}

@media (max-width: 900px) {
  .nav__burger { display: block; }
  .nav__liens {
    position: absolute;
    top: 71px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gouttiere) 22px;
    background: rgba(242, 240, 231, .98);
    backdrop-filter: saturate(140%) blur(10px);
    -webkit-backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid rgba(38, 42, 34, .1);
    max-height: calc(100vh - 71px);
    overflow-y: auto;
  }
  .nav__liens[hidden] { display: none; }
  .nav__lien,
  .nav.est-fixe .nav__lien { color: var(--texte); padding: 15px 0; border-bottom: 1px solid rgba(38, 42, 34, .08); }
  .nav__lien--optionnel { display: block; }
  .nav__cta,
  .nav.est-fixe .nav__cta {
    margin-top: 18px;
    height: 46px;
    justify-content: center;
    color: var(--blanc);
    background: var(--olive);
    border-color: var(--olive);
  }
  .nav__cta:hover,
  .nav.est-fixe .nav__cta:hover { background: var(--encre); border-color: var(--encre); color: var(--creme); }
}

@media (max-width: 860px) {
  .projet__grille,
  .surfaces__colonnes,
  .plans__corps,
  .situation__grille,
  .contact__grille { grid-template-columns: 1fr; }
  .surfaces__resume { text-align: left; }
  .hero__grille { align-items: flex-start; flex-direction: column; gap: 30px; }
  .hero__actions { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .plans__cadre { padding: 16px; }
  .budgets { gap: 30px; }
}

@media (max-width: 620px) {
  .hero { min-height: 560px; }
  .hero__contenu { padding-bottom: 40px; }
  .projet__duo { grid-template-columns: 1fr; }
  .projet__duo img { height: 260px; }
  .champs { grid-template-columns: 1fr; }
  .chiffres__cellule { padding: 30px 22px 32px; }
  .chiffres__valeur { font-size: 42px; }
  .energie__stat { border-right: 0; border-bottom: 1px solid rgba(38, 42, 34, .1); }
  .fiche > div { flex-direction: column; align-items: flex-start; gap: 4px; }
  .fiche dd { text-align: left; }
  .formulaire__actions .bouton { width: 100%; }
}

/* =============================================================== print === */

@media print {
  .nav, .visionneuse, .formulaire, .hero__actions { display: none !important; }
  body { background: #fff; }
  .revele { opacity: 1 !important; transform: none !important; }
  .hero { height: auto; min-height: 0; }
  .prestations, .chiffres, .contact { background: #fff !important; color: #000 !important; }
}