/* nsrstud. v2 — site du studio. Base : assets/tokens.css (copie de brand/tokens.css). */

@font-face { font-family: "Instrument Serif"; font-style: normal; font-weight: 400; src: url(assets/fonts/InstrumentSerif-Regular.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Instrument Serif"; font-style: italic; font-weight: 400; src: url(assets/fonts/InstrumentSerif-Italic.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Geist"; font-style: normal; font-weight: 100 900; src: url(assets/fonts/Geist-variable.woff2) format("woff2"); font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html:not(.lenis) { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-stopped { overflow: clip; }
body { margin: 0; background: var(--noir); color: var(--texte); font: 400 var(--t-texte)/1.6 var(--font-texte); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, figure { margin: 0; }
em { font-style: italic; }
.wrap { width: 100%; max-width: var(--largeur); margin: 0 auto; padding-inline: var(--gouttiere); }
section[id] { scroll-margin-top: 72px; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; border-radius: 6px; }
.evitement { position: absolute; left: 12px; top: -80px; z-index: 100; padding: 10px 16px; border-radius: var(--r-pilule); background: var(--titane); color: var(--noir); font-weight: 500; text-decoration: none; }
.evitement:focus { top: 12px; }

.titre-section { font: 400 var(--t-1)/.98 var(--font-display); letter-spacing: var(--interlettre-titre); margin-top: 18px; }
.titre-section .mot-rouge, .contact-titre .mot-rouge { -webkit-text-fill-color: var(--rouge); }
.bouton svg { width: 20px; height: 20px; flex: none; }
.bouton-petit { min-height: 44px; padding: 0 16px; font-size: 14.5px; }
.bouton-petit span { display: none; }
.bouton-grand { min-height: 64px; padding: 0 34px; font-size: 17px; }

/* ---------- En-tête ---------- */
.entete {
  position: fixed; inset: 0 0 auto; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px var(--gouttiere); padding-top: max(14px, env(safe-area-inset-top));
  transition: background-color var(--d-2) ease, box-shadow var(--d-2) ease;
}
.entete.defile { background-color: rgba(11, 11, 12, .92); backdrop-filter: blur(20px) saturate(1.3); -webkit-backdrop-filter: blur(20px) saturate(1.3); box-shadow: 0 1px 0 rgba(230, 231, 232, .12), 0 10px 30px -18px rgba(0, 0, 0, .7); }
.entete-logo { font-size: 30px; text-decoration: none; }
.nav { display: none; gap: 30px; font-size: 14.5px; font-weight: 450; }
.nav a { text-decoration: none; color: var(--texte-2); transition: color var(--d-1); }
.nav a:hover { color: var(--texte); }

/* ---------- Accueil ---------- */
.accueil { min-height: 100svh; padding: 96px 0 72px; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.accueil::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(60% 50% at 70% 42%, rgba(230, 231, 232, .09), transparent 70%);
}
.accueil-scene { width: 100%; max-width: var(--largeur); margin: 0 auto; padding-inline: var(--gouttiere); display: grid; gap: 8px; align-items: center; }
.accueil-objet { position: relative; width: min(84vw, 400px); aspect-ratio: 1; justify-self: center; margin-top: -8px; }
.accueil-poster, .accueil-3d { position: absolute; inset: 0; width: 100%; height: 100%; }
.accueil-3d canvas { display: block; width: 100% !important; height: 100% !important; opacity: 0; transition: opacity 900ms var(--ease-sortie); }
.accueil-objet.est-3d .accueil-3d canvas { opacity: 1; }
.accueil-poster { transition: opacity 900ms var(--ease-sortie); }
.accueil-objet.est-3d .accueil-poster { opacity: 0; }
.accueil-ombre {
  position: absolute; left: 22%; right: 22%; bottom: 9%; height: 7%; border-radius: 50%; z-index: -1;
  background: radial-gradient(closest-side, rgba(0, 0, 0, .85), transparent);
  filter: blur(6px); transform: scale(calc(.92 + var(--flotte, .5) * .12)); opacity: calc(.75 - var(--flotte, .5) * .25);
}
.accueil-texte { position: relative; z-index: 1; text-align: center; }
.accueil-titre { font: 400 clamp(52px, 13.6vw, 132px)/.92 var(--font-display); letter-spacing: var(--interlettre-geant); margin: 14px 0 22px; text-wrap: balance; }
.accueil-chapo { font-size: var(--t-lead); line-height: 1.45; color: var(--texte-2); max-width: 30em; margin: 0 auto 28px; }
.accueil-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 26px; }
.accueil-actions .bouton { flex: 1 1 260px; }
.accueil-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; font-size: var(--t-petit); color: var(--texte-2); }
.accueil-points li { display: flex; align-items: center; gap: 8px; }
.accueil-points li::before { content: ""; width: 15px; height: 15px; border-radius: 50%; box-shadow: 0 0 0 1px var(--filet-fort) inset; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M4 7.2 6 9.2 10 5' fill='none' stroke='%23e6e7e8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat; }
.accueil-defiler { display: none; position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--texte-3); align-items: center; gap: 10px; }
.accueil-defiler span { width: 1px; height: 28px; background: linear-gradient(var(--texte-3), transparent); }

/* ---------- L'idée ---------- */
.idee { display: grid; place-items: center; padding: clamp(56px, 8vw, 120px) var(--gouttiere); }
.idee-texte { font: 400 clamp(38px, 6.6vw, 104px)/1.02 var(--font-display); letter-spacing: var(--interlettre-titre); max-width: 15em; text-align: center; text-wrap: balance; }

/* ---------- Chiffres ---------- */
.chiffres { padding: clamp(72px, 10vw, 140px) 0; background: linear-gradient(180deg, var(--noir), var(--surface-1)); border-top: 1px solid var(--filet); }
.chiffres-grille { display: grid; gap: 56px; }
.chiffre-bloc { text-align: center; }
.chiffres .chiffre { font-size: clamp(96px, 26vw, 200px); line-height: .9; }
.chiffres .chiffre small { font-size: .32em; letter-spacing: -.02em; font-weight: 300; }
.chiffre-legende { margin-top: 14px; color: var(--texte-2); font-size: var(--t-lead); }

/* ---------- Sections claires (titane) ---------- */
.clair { position: relative; isolation: isolate; color: var(--encre); background: linear-gradient(180deg, #f3f4f5 0%, #e6e7e8 55%, #dcdee1 100%); }
.clair::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .05; mix-blend-mode: multiply; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E"); }
.clair .surtitre { color: var(--encre-2); }

/* ---------- Services ---------- */
.services { padding: var(--section) 0; overflow: hidden; }
.services-tete { margin-bottom: clamp(36px, 6vw, 64px); }
.services-piste { display: grid; grid-template-columns: 1fr; gap: 14px; max-width: var(--largeur); margin: 0 auto; padding: 4px var(--gouttiere) 10px; }
.service {
  position: relative; padding: 30px 26px 34px; border-radius: var(--r-3);
  background: linear-gradient(180deg, #ffffff, #f4f5f6); box-shadow: 0 1px 0 #fff inset, 0 0 0 1px rgba(10, 10, 11, .07), 0 30px 60px -36px rgba(10, 10, 11, .35);
}
.service-num { display: block; font: 300 15px/1 var(--font-texte); letter-spacing: .08em; color: var(--encre-2); margin-bottom: 64px; }
.service h3 { font: 400 clamp(32px, 3.4vw, 46px)/1.02 var(--font-display); letter-spacing: -.01em; margin-bottom: 14px; }
.service p { color: var(--encre-2); font-size: 16px; }
.services-inclus { margin-top: 30px; font-size: 15px; color: var(--encre-2); }
.services-inclus b { color: var(--encre); font-weight: 500; }

/* ---------- Réalisations ---------- */
.realisations { padding: var(--section) 0 calc(var(--section) * .6); overflow: hidden; }
.realisations-tete { margin-bottom: clamp(48px, 8vw, 110px); }
.realisations-chapo { margin-top: 20px; max-width: 34em; color: var(--texte-2); font-size: var(--t-lead); line-height: 1.45; }
.projet { margin-bottom: clamp(96px, 14vw, 180px); }
.projet-scene { position: relative; display: block; width: min(92vw, 1180px); margin: 0 auto clamp(28px, 4vw, 48px); padding-bottom: 12%; text-decoration: none; perspective: 1400px; }
.ecran-ordi { display: block; width: 86%; border-radius: 14px; overflow: hidden; background: #141416; box-shadow: 0 0 0 1px var(--filet-fort), var(--ombre-produit); transform-origin: 50% 100%; will-change: transform; }
.ecran-barre { display: flex; gap: 6px; padding: 9px 12px; background: linear-gradient(180deg, #1f1f23, #18181b); }
.ecran-barre i { width: 8px; height: 8px; border-radius: 50%; background: rgba(230, 231, 232, .2); }
.ecran-ordi img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.ecran-tel { position: absolute; right: 2%; bottom: 0; width: 27%; max-width: 250px; border-radius: 26px; overflow: hidden; border: 5px solid #1c1c1f; background: #000; box-shadow: 0 0 0 1px var(--filet-fort), 0 50px 90px -30px rgba(0, 0, 0, .95); will-change: transform; }
.ecran-tel img { width: 100%; aspect-ratio: 390 / 760; object-fit: cover; object-position: top; }
.projet-scene:hover .ecran-ordi img { transform: scale(1.02); }
.ecran-ordi img { transition: transform 1.2s var(--ease-sortie); }
.projet-info { display: grid; gap: 14px; }
.projet-type { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: 13px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--texte-3); }
.projet-nom { font: 400 clamp(48px, 9vw, 112px)/.95 var(--font-display); letter-spacing: var(--interlettre-geant); }
.realisations-appel { display: grid; justify-items: start; gap: 18px; }
.realisations-appel-titre { font: 400 clamp(40px, 6vw, 76px)/1 var(--font-display); letter-spacing: var(--interlettre-geant); }
.realisations-appel p:not(.realisations-appel-titre) { color: var(--texte-2); max-width: 30em; }
.projet-info p:not(.projet-type) { color: var(--texte-2); max-width: 32em; }

/* Réalisations en 3 pages : onglets, flèches, compteur */
.real-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-bottom: clamp(28px, 4vw, 48px); }
.real-onglets { display: flex; gap: 4px; padding: 5px; max-width: 100%; overflow-x: auto; scrollbar-width: none; border-radius: var(--r-pilule); background: rgba(230, 231, 232, .03); box-shadow: 0 0 0 1px var(--filet-fort) inset; }
.real-onglets::-webkit-scrollbar { display: none; }
.real-onglets button { flex: none; min-height: 44px; padding: 0 18px; border: 0; border-radius: var(--r-pilule); background: transparent; color: var(--texte-2); font: 500 15px/1 var(--font-texte); cursor: pointer; transition: background-color var(--d-2) ease, color var(--d-2) ease; }
.real-onglets button[aria-selected="true"] { background: var(--titane); color: var(--encre); }
.real-onglets button:hover:not([aria-selected="true"]) { color: var(--texte); }
.real-fleches { display: flex; align-items: center; gap: 12px; }
.real-fleches button { display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--texte); box-shadow: 0 0 0 1px var(--filet-fort) inset; cursor: pointer; transition: opacity .2s ease, background-color .2s ease; }
.real-fleches button svg { width: 20px; height: 20px; }
.real-fleches button:hover:not(:disabled) { background: rgba(230, 231, 232, .08); }
.real-fleches button:disabled { opacity: .3; cursor: default; }
.real-compteur { min-width: 3.4em; text-align: center; font: 300 15px/1 var(--font-chiffres); font-variant-numeric: tabular-nums; letter-spacing: .06em; color: var(--texte-3); }
.real-compteur b { font-weight: 400; color: var(--texte); }
.real-fenetre { position: relative; touch-action: pan-y; }
.real-page { transition: opacity .45s var(--ease-sortie), transform .45s var(--ease-sortie); }
.real-page:not(.est-active) { position: absolute; inset: 0 0 auto; opacity: 0; visibility: hidden; transform: translateY(18px); pointer-events: none; transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s; }
.real-page .projet { margin-bottom: 0; }
.real-page-duo { display: grid; gap: 64px; }
@media (min-width: 900px) {
  .real-page-duo { grid-template-columns: 1fr 1fr; gap: 48px; max-width: var(--largeur); margin: 0 auto; padding-inline: var(--gouttiere); }
  .real-page-duo .projet-scene { width: 100%; }
  .real-page-duo .projet-info { display: grid; grid-template-columns: 1fr; padding-inline: 0; }
  .real-page-duo .projet-info > * { grid-column: auto !important; grid-row: auto !important; }
  .real-page-duo .projet-nom { font-size: clamp(40px, 4.2vw, 64px); }
}
@media (max-width: 560px) {
  .real-nav { justify-content: center; }
  .real-onglets { width: 100%; }
  .real-onglets button { flex: 1 1 auto; padding: 0 10px; font-size: 14px; }
}
.lien-fleche { justify-self: start; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--titane); }
.lien-fleche span { transition: transform var(--d-2) var(--ease-sortie); }
.lien-fleche:hover span { transform: translateX(6px); }

/* ---------- Méthode ---------- */
.methode { padding: var(--section) 0; background: linear-gradient(180deg, var(--surface-1), var(--noir)); border-top: 1px solid var(--filet); }
.methode-tete { margin-bottom: clamp(40px, 6vw, 72px); }
.methode-barre { display: none; }
.etapes { list-style: none; margin: 0; padding: 0; }
.etape { display: grid; grid-template-columns: 74px 1fr; gap: 18px; padding: 30px 0; border-top: 1px solid var(--filet); }
.etape:last-child { border-bottom: 1px solid var(--filet); }
.etape-num { font: 300 64px/.9 var(--font-chiffres); letter-spacing: -.05em; }
.etape h3 { font: 400 clamp(32px, 4.6vw, 56px)/1.02 var(--font-display); letter-spacing: -.01em; margin-bottom: 10px; }
.etape p { color: var(--texte-2); max-width: 32em; }

/* ---------- Le studio ---------- */
.studio { padding: var(--section) 0; }
.studio-grille { display: grid; gap: 40px; align-items: center; }
.studio-portrait { display: grid; gap: 14px; justify-items: center; }
.studio-portrait img { width: min(70vw, 380px); aspect-ratio: 1; border-radius: 50%; object-fit: cover; background: radial-gradient(80% 80% at 50% 20%, #26272b, #0d0d0e 70%); box-shadow: 0 0 0 1px var(--filet-fort), 0 0 0 12px rgba(230, 231, 232, .03), var(--ombre-produit); }
.studio-portrait figcaption { font-size: var(--t-petit); color: var(--texte-3); }
.studio-chapo { margin: 22px 0 28px; font-size: var(--t-lead); line-height: 1.45; color: var(--texte-2); max-width: 32em; }
.studio-faits { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.studio-faits li { padding: 10px 16px; border-radius: var(--r-pilule); box-shadow: 0 0 0 1px var(--filet-fort) inset; font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq { padding: var(--section) 0; }
.faq-liste { border-top: 1px solid rgba(10, 10, 11, .14); margin-top: 32px; }
.faq details { border-bottom: 1px solid rgba(10, 10, 11, .14); }
.faq summary { list-style: none; cursor: pointer; position: relative; padding: 26px 56px 26px 0; font: 400 clamp(26px, 3.6vw, 38px)/1.12 var(--font-display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 0; top: 50%; width: 42px; height: 42px; margin-top: -21px; border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(10, 10, 11, .2) inset;
  background: linear-gradient(var(--encre), var(--encre)) center / 14px 1.5px no-repeat, linear-gradient(var(--encre), var(--encre)) center / 1.5px 14px no-repeat;
  transition: transform var(--d-2) var(--ease-sortie), background-color var(--d-2);
}
.faq details[open] summary::after { transform: rotate(45deg); background-color: var(--rouge); background-image: linear-gradient(#fff, #fff), linear-gradient(#fff, #fff); box-shadow: none; }
.faq details p { padding: 0 56px 28px 0; color: var(--encre-2); font-size: 17px; max-width: 36em; }

/* ---------- Contact ---------- */
.contact { padding: calc(var(--section) * 1.1) 0; text-align: center; }
.contact-dedans { max-width: 980px; }
.contact-titre { font: 400 clamp(60px, 14vw, 168px)/.92 var(--font-display); letter-spacing: var(--interlettre-geant); margin: 18px 0 26px; }
.contact-chapo { font-size: var(--t-lead); color: var(--texte-2); max-width: 30em; margin: 0 auto 36px; }
.contact-email { margin-top: 22px; color: var(--texte-2); }
.contact-email a { color: var(--texte); font-weight: 500; }
.contact-note { margin-top: 28px; font-size: var(--t-petit); color: var(--texte-3); }

/* ---------- Pied de page ---------- */
.pied { display: grid; gap: 22px; padding-block: 44px 190px; border-top: 1px solid var(--filet); font-size: var(--t-petit); color: var(--texte-3); }
.pied-logo { font-size: 40px; text-decoration: none; }
.pied-marque p { margin-top: 6px; color: var(--texte-2); }

/* ---------- Bouton WhatsApp flottant (titane, au-dessus du badge Netlify) ---------- */
.wa-flottant { position: fixed; z-index: 50; right: max(16px, env(safe-area-inset-right)); bottom: calc(max(18px, env(safe-area-inset-bottom)) + 66px); border-radius: 50%; text-decoration: none; }
.wa-rond { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; color: var(--noir); background: linear-gradient(180deg, #f6f7f8, #cdd0d4); box-shadow: 0 1px 0 #fff inset, 0 0 0 1px rgba(0, 0, 0, .2), 0 18px 34px -10px rgba(0, 0, 0, .9); transition: transform var(--d-2) var(--ease-sortie), opacity .25s ease; }
.wa-rond svg { width: 29px; height: 29px; }
.wa-flottant:hover .wa-rond { transform: scale(1.06); }
.wa-flottant.is-hidden { pointer-events: none; }
.wa-flottant.is-hidden > * { opacity: 0; }

/* ---------- Apparition de l'accueil (CSS : démarre dès le premier affichage) ---------- */
@keyframes monte { from { opacity: 0; transform: translateY(30px); } }
@keyframes apparait { from { opacity: 0; transform: scale(.94); } }
@keyframes fondu { from { opacity: 0; } }
.anim .accueil-titre { animation: monte 1.3s var(--ease-sortie) .05s backwards; }
.anim .accueil-in { animation: monte 1.2s var(--ease-sortie) backwards; }
.anim .accueil-texte .surtitre { animation-delay: 0s; }
.anim .accueil-chapo { animation-delay: .3s; }
.anim .accueil-actions { animation-delay: .42s; }
.anim .accueil-points { animation-delay: .54s; }
.anim .accueil-objet { animation: apparait 1.8s var(--ease-sortie) .1s backwards; }
.anim .wa-flottant { animation: fondu .8s ease 1.4s backwards; }

/* ---------- États de départ des animations au défilement ---------- */
.anim .revele { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  html:not(.lenis) { scroll-behavior: auto; }
  .accueil-3d { display: none; }
}

/* ---------- Petits téléphones ---------- */
@media (max-width: 400px) {
  .accueil-actions .bouton, .bouton-grand { padding: 0 16px; font-size: 15px; gap: 8px; }
}

/* ---------- Tablette et ordinateur ---------- */
@media (min-width: 720px) {
  .bouton-petit span { display: inline; }
  .accueil-actions .bouton { flex: none; }
  .chiffres-grille { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .chiffres .chiffre { font-size: clamp(96px, 13vw, 200px); }
  .services-piste { grid-template-columns: 1fr 1fr; gap: 20px; }
  .service { padding: 40px 36px 44px; }
  .studio-grille { grid-template-columns: auto 1fr; gap: clamp(48px, 7vw, 120px); }
  .faq-grille { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; }
  .faq-liste { margin-top: 0; }
  .pied { grid-template-columns: 1fr auto; align-items: end; padding-bottom: 48px; }
  .pied-infos { text-align: right; }
  .projet-info { grid-template-columns: 1.1fr 1fr; align-items: end; column-gap: 64px; }
  .projet-info .projet-type, .projet-info .projet-nom { grid-column: 1; }
  .projet-info p:not(.projet-type), .projet-info .lien-fleche { grid-column: 2; }
  .projet-info .projet-nom { grid-row: 2 / span 2; align-self: start; }
}
@media (min-width: 1024px) {
  .nav { display: flex; }
  .accueil { padding-top: 110px; }
  .accueil-scene { display: block; position: relative; min-height: min(680px, calc(100vh - 220px)); display: flex; align-items: center; }
  .accueil-texte { text-align: left; max-width: 880px; }
  .accueil-titre { font-size: clamp(76px, 8vw, 140px); }
  .accueil-chapo { margin-left: 0; }
  .accueil-actions, .accueil-points { justify-content: flex-start; }
  .accueil-objet { position: absolute; z-index: 0; right: calc(var(--gouttiere) * -0.5); top: 50%; width: min(48vw, 760px); margin: calc(min(48vw, 760px) / -2) 0 0; }
  .accueil-defiler { display: flex; }
  .service { min-height: 300px; }
  .methode-epingle { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
  .methode-tete { position: sticky; top: 140px; }
  .methode-tete .titre-section, .faq .titre-section { font-size: var(--t-2); }
  .methode-barre { display: block; margin-top: 40px; width: 100%; max-width: 360px; height: 2px; background: var(--filet); border-radius: 2px; overflow: hidden; }
  .methode-barre span { display: block; height: 100%; width: 100%; background: var(--titane-degrade); transform-origin: 0 50%; transform: scaleX(var(--etape-progression, 0)); }
  .etape { grid-template-columns: 120px 1fr; padding: 56px 0; }
  .etape-num { font-size: 104px; }
}

/* ---------- Téléphone : moins de vide entre les sections ---------- */
@media (max-width: 899px) {
  :root { --section: 68px; }
  .projet { margin-bottom: 72px; }
  .realisations-tete { margin-bottom: 40px; }
  .pied { padding-block: 40px 150px; }
}