/* Atelier Chêne & Fil — démonstration. Éditorial chaleureux, bois massif. */
@font-face { font-family: "Fraunces"; src: url(fonts/fraunces-latin-wght-normal.woff2) format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/inter-latin-wght-normal.woff2) format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }

:root {
  --creme: #F4EFE6; --sable: #EAE1D3; --lin: #E2D6C3;
  --chene: #B8864B; --chene-fonce: #8A5F2E; --chene-clair: #E3C49B;
  --noyer: #4A3426; --charbon: #1D1A17; --doux: #5A4F45; --alerte: #9B2C1C;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --marge: clamp(1.25rem, 4vw, 3.5rem);
  --section: clamp(5rem, 11vw, 10rem);
  --h-entete: 76px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body { margin: 0; background: var(--creme); color: var(--charbon); font: 400 1.0625rem/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 300; margin: 0; letter-spacing: -.02em; line-height: 1.04; }
em, i { font-style: italic; font-weight: 300; }
p { margin: 0 0 1em; }
button { font: inherit; color: inherit; }
::selection { background: var(--chene); color: var(--charbon); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.evite { position: fixed; left: 1rem; top: 1rem; z-index: 100; padding: .9rem 1.2rem; background: var(--charbon); color: var(--creme); transform: translateY(-200%); transition: transform .2s; }
.evite:focus { transform: none; }

/* Grain de papier, très léger */
body::after { content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: .08; mix-blend-mode: multiply;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23g)'/></svg>"); }

/* Bandeau démo */
.bandeau-demo { position: relative; z-index: 1; padding: 0 var(--marge); background: var(--charbon); color: var(--creme); font-size: .8125rem; line-height: 1.4; text-align: center; }
.bandeau-demo a { display: inline-flex; align-items: center; min-height: 44px; margin-left: .5rem; vertical-align: middle; color: var(--chene-clair); font-weight: 500; text-underline-offset: 3px; }

/* En-tête */
.entete { --accent: var(--chene-clair); position: sticky; top: 0; z-index: 50; height: var(--h-entete); margin-bottom: calc(-1 * var(--h-entete)); display: flex; align-items: center; gap: 2rem; padding: 0 var(--marge); color: var(--creme); transition: background .45s, color .45s, box-shadow .45s; }
.entete.colle { --accent: var(--chene-fonce); background: rgba(244, 239, 230, .95); -webkit-backdrop-filter: blur(14px) saturate(1.2); backdrop-filter: blur(14px) saturate(1.2); color: var(--charbon); box-shadow: 0 1px 0 rgba(29, 26, 23, .08); }
.marque { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; text-decoration: none; font: 400 1.4rem/1 var(--serif); letter-spacing: -.01em; }
.marque svg { width: 30px; height: 30px; color: var(--accent); }
.marque i { color: var(--accent); }
.nav { display: flex; gap: 1.9rem; margin-left: auto; }
.nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; font-size: .875rem; letter-spacing: .02em; text-decoration: none; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 10px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .5s var(--ease); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.burger { display: none; width: 48px; height: 48px; margin-left: auto; border: 0; background: none; cursor: pointer; align-items: center; justify-content: center; }
.burger-traits, .burger-traits::before { display: block; width: 26px; height: 1.5px; background: currentColor; transition: transform .45s var(--ease); }
.burger-traits { position: relative; transform: translateY(-4px); }
.burger-traits::before { content: ""; position: absolute; top: 8px; }
.menu-ouvert .burger-traits { transform: rotate(45deg); }
.menu-ouvert .burger-traits::before { transform: translateY(-8px) rotate(-90deg); }

/* Menu mobile : révélation circulaire depuis le bouton */
.menu-mobile { position: fixed; inset: 0; z-index: 45; display: flex; flex-direction: column; justify-content: center; padding: 6rem var(--marge) 2rem; background: var(--noyer); color: var(--creme); visibility: hidden; clip-path: circle(0% at calc(100% - 2.8rem) 3rem); transition: clip-path .75s var(--ease), visibility 0s .75s; }
.menu-mobile nav { display: flex; flex-direction: column; }
.menu-mobile a { display: block; padding: .3rem 0; font: 300 clamp(2.1rem, 9vw, 3.2rem)/1.15 var(--serif); letter-spacing: -.02em; text-decoration: none; }
.menu-mobile em { color: var(--chene-clair); }
.menu-pied { margin: 2.5rem 0 0; font-size: .8125rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(244, 239, 230, .7); }
.menu-ouvert { overflow: hidden; }
.menu-ouvert .menu-mobile { visibility: visible; clip-path: circle(150% at calc(100% - 2.8rem) 3rem); transition: clip-path .75s var(--ease); }
.menu-ouvert .entete { background: transparent; box-shadow: none; color: var(--creme); --accent: var(--chene-clair); -webkit-backdrop-filter: none; backdrop-filter: none; }

/* Boutons */
.bouton { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 52px; padding: 0 1.7rem; border: 1px solid transparent; border-radius: 999px; font: 500 .9375rem/1 var(--sans); letter-spacing: .01em; text-decoration: none; cursor: pointer; transition: background .35s, color .35s, border-color .35s, transform .5s var(--ease); }
.bouton-chene { background: var(--chene); color: var(--charbon); }
.bouton-chene:hover { background: var(--chene-clair); }
.bouton-noir { background: var(--charbon); color: var(--creme); }
.bouton-noir:hover { background: var(--noyer); }
.bouton-trait { background: transparent; border-color: rgba(29, 26, 23, .35); color: var(--charbon); }
.bouton-trait:hover { border-color: var(--charbon); }
.bouton-verre { min-height: 46px; padding: 0 1.3rem; border-color: rgba(244, 239, 230, .5); background: rgba(244, 239, 230, .1); color: inherit; font-size: .875rem; }
.colle .bouton-verre { border-color: var(--charbon); background: var(--charbon); color: var(--creme); }
.lien-fleche { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: 0; border: 0; background: none; font: 500 .9375rem/1 var(--sans); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; cursor: pointer; }
.lien-fleche span { transition: transform .4s var(--ease); }
.lien-fleche:hover span { transform: translateX(5px); }

/* Typo commune */
.section { padding: var(--section) var(--marge); }
.surtitre { margin-bottom: 1.4rem; font: 500 .75rem/1.3 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--chene-fonce); }
.titre { font-size: clamp(2.4rem, 5.4vw, 5rem); line-height: 1.02; letter-spacing: -.028em; }
.titre em { color: var(--chene-fonce); }
.chapo { max-width: 34rem; font-size: clamp(1.0625rem, 1.3vw, 1.2rem); color: var(--doux); }
.legende, figcaption { font-size: .8125rem; letter-spacing: .02em; line-height: 1.5; }

/* Apparitions floues (sans JS : tout reste visible) */
.apparait { transition: opacity 1.1s var(--ease), filter 1.1s var(--ease), transform 1.1s var(--ease); transition-delay: calc(var(--d, 0) * 110ms); }
.js .apparait:not(.vu) { opacity: 0; filter: blur(10px); transform: translateY(28px); }

/* Accueil */
.accueil { position: relative; display: grid; grid-template-rows: 1fr auto; min-height: calc(100svh - var(--bandeau, 44px)); overflow: hidden; background: var(--charbon) url(img/hero.webp) 62% 50% / cover; color: var(--creme); }
.accueil-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; }
.accueil-voile { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(29, 26, 23, .8) 0%, rgba(29, 26, 23, .5) 42%, rgba(29, 26, 23, .08) 78%), linear-gradient(0deg, rgba(29, 26, 23, .75) 0%, rgba(29, 26, 23, 0) 50%), linear-gradient(180deg, rgba(29, 26, 23, .45) 0%, rgba(29, 26, 23, 0) 22%); }
.accueil-contenu { position: relative; align-self: end; max-width: 1180px; padding: calc(var(--h-entete) + 3rem) var(--marge) clamp(2rem, 5vh, 3.5rem); }
.accueil .surtitre { color: var(--chene-clair); }
.accueil-titre { font-size: clamp(2.75rem, 7.6vw, 7.5rem); line-height: .98; letter-spacing: -.035em; margin-bottom: 1.6rem; }
.accueil-titre em { color: var(--chene-clair); }
.ligne { display: block; overflow: hidden; padding: 0 .08em .14em 0; margin-bottom: -.14em; }
.ligne > span { display: inline-block; animation: monte 1.3s var(--ease) both; animation-delay: calc(var(--i) * 130ms + 200ms); }
@keyframes monte { from { transform: translateY(108%); } }
.accueil-chapo { max-width: 33rem; font-size: clamp(1.0625rem, 1.4vw, 1.2rem); color: rgba(244, 239, 230, .88); animation: fondu 1.4s var(--ease) .6s both; }
.accueil-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-top: 2rem; animation: fondu 1.4s var(--ease) .8s both; }
@keyframes fondu { from { opacity: 0; transform: translateY(16px); } }
.accueil-pied { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 0 var(--marge); padding: .9rem 0 1.1rem; border-top: 1px solid rgba(244, 239, 230, .25); }
.accueil-pied .legende { margin: 0; color: rgba(244, 239, 230, .8); }
.pause { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid rgba(244, 239, 230, .5); border-radius: 50%; background: rgba(29, 26, 23, .25); cursor: pointer; transition: background .3s; }
.pause:hover { background: rgba(244, 239, 230, .15); }
.pause-icone { width: 10px; height: 12px; border-inline: 3px solid currentColor; }
.pause.en-pause .pause-icone { width: 0; height: 0; border: 0; border-left: 11px solid currentColor; border-block: 7px solid transparent; margin-left: 3px; }

/* Bandeau défilant */
.defile { overflow: hidden; padding: 1.15rem 0; background: var(--chene); color: var(--charbon); }
.defile-piste { display: flex; width: max-content; animation: defile 42s linear infinite; }
.defile span { display: flex; align-items: center; gap: 2.2rem; padding-right: 2.2rem; font: 300 clamp(1.5rem, 3vw, 2.4rem)/1.2 var(--serif); font-style: italic; white-space: nowrap; }
.defile span::after { content: ""; width: .42em; height: .42em; border: 1px solid currentColor; border-radius: 50%; }
@keyframes defile { to { transform: translateX(-50%); } }

/* Savoir-faire : mosaïque */
.savoir-tete { display: grid; grid-template-columns: 1.35fr 1fr; align-items: end; gap: 2rem 4rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.savoir-tete .chapo { margin: 0; }
.tourne { display: inline-block; font-style: italic; color: var(--chene-fonce); transition: opacity .45s, filter .45s, transform .45s var(--ease); }
.tourne.sort { opacity: 0; filter: blur(8px); transform: translateY(.2em); }
.mosaique { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(280px, auto); gap: clamp(.75rem, 1.2vw, 1.25rem); }
.tuile { position: relative; isolation: isolate; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 44%); grid-template-rows: auto 1fr; column-gap: clamp(1rem, 2vw, 2rem); padding: clamp(1.4rem, 2.6vw, 2.4rem); border-radius: 4px; background: var(--sable); }
.tuile::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .5s; background: radial-gradient(420px circle at var(--x, 50%) var(--y, 50%), rgba(227, 196, 155, .32), transparent 65%); }
.tuile:hover::before { opacity: 1; }
.tuile-num { grid-area: 1 / 1; font: 500 .75rem/1 var(--sans); letter-spacing: .2em; }
.tuile svg { grid-column: 2; grid-row: 1 / 3; align-self: center; justify-self: end; width: 100%; max-width: 270px; stroke-width: 1.3; color: var(--chene-fonce); transition: transform 1.2s var(--ease); }
.tuile:hover svg { transform: translateY(-6px); }
.tuile svg path { stroke-dasharray: 1000; transition: stroke-dashoffset 2.6s var(--ease) .35s; }
.js .tuile:not(.vu) svg path { stroke-dashoffset: 1000; }
.tuile-texte { grid-column: 1; grid-row: 2; align-self: end; max-width: 25rem; padding-top: 2.5rem; }
.tuile h3 { margin-bottom: .55rem; font-size: clamp(1.9rem, 2.8vw, 2.6rem); }
.tuile p { margin-bottom: .6rem; font-size: .975rem; opacity: .86; }
.tuile-lien { display: inline-flex; align-items: center; gap: .45rem; min-height: 44px; font-size: .875rem; font-weight: 500; text-underline-offset: 5px; }
.tuile-lien span { transition: transform .4s var(--ease); }
.tuile-lien:hover span { transform: translateX(5px); }
.t1 { grid-column: span 7; grid-row: span 2; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr auto; background: var(--noyer); color: var(--creme); }
.t1 svg { grid-column: 1; grid-row: 2; justify-self: center; width: 80%; max-width: 540px; margin: 1.5rem 0; stroke-width: 1; color: var(--chene-clair); }
.t1 .tuile-texte { grid-row: 3; padding-top: 0; }
.t2 { grid-column: span 5; }
.t3 { grid-column: span 5; background: var(--chene); }
.t3 svg { color: var(--charbon); }
.t4 { grid-column: span 5; background: var(--charbon); color: var(--creme); }
.t4 svg { color: var(--chene); }
.t5 { grid-column: span 7; background: var(--lin); }
.t5 svg { color: var(--noyer); }

/* Réalisations : galerie éditoriale */
.realisations { padding-top: clamp(2rem, 5vw, 4rem); }
.real-tete { margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.galerie { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 2vw, 2rem); align-items: start; }
.g { margin: 0; }
.g-cadre { overflow: hidden; border-radius: 2px; background: var(--sable); transition: clip-path 1.5s var(--ease); clip-path: inset(0); }
.js .g:not(.vu) .g-cadre, .js .atelier-large:not(.vu) .g-cadre { clip-path: inset(14% 0 0 0); }
.g-cadre img { width: 100%; height: 100%; object-fit: cover; transition: scale 1.6s var(--ease); }
.g:hover img, .atelier-large:hover img { scale: 1.035; }
.g figcaption, .atelier-large figcaption { display: flex; gap: .9rem; padding-top: 1rem; color: var(--doux); }
.g figcaption span { font: 400 .95rem/1.3 var(--serif); font-style: italic; color: var(--chene-fonce); }
.g1 { grid-column: 1 / 9; }
.g1 .g-cadre { aspect-ratio: 4 / 3; }
.g2 { grid-column: 9 / 13; margin-top: clamp(4rem, 14vw, 13rem); }
.g2 .g-cadre { aspect-ratio: 3 / 4; }
.g-note { grid-column: 8 / 13; grid-row: 2; align-self: center; margin: 0; font: 300 clamp(1.5rem, 2.4vw, 2.3rem)/1.25 var(--serif); letter-spacing: -.015em; }
.g-note em { color: var(--chene-fonce); }
.g3 { grid-column: 2 / 7; grid-row: 2; margin-top: clamp(-6rem, -5vw, -2rem); }
.g3 .g-cadre { aspect-ratio: 1; }

/* L'atelier */
.atelier { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: center; gap: clamp(2.5rem, 5vw, 4rem) clamp(1rem, 2vw, 2rem); background: var(--noyer); color: var(--creme); }
.atelier .surtitre, .atelier .titre em { color: var(--chene-clair); }
.atelier-portrait { grid-column: 1 / 6; margin: 0; }
.atelier-portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 2px; }
.atelier-portrait figcaption { padding-top: .9rem; color: rgba(244, 239, 230, .72); }
.atelier-texte { grid-column: 7 / 12; }
.atelier-texte .titre { margin-bottom: 2rem; }
.atelier-texte p:not([class*="titre"]) { max-width: 30rem; color: rgba(244, 239, 230, .85); }
.atelier-texte .citation { margin: 2.2rem 0 1.2rem; padding-left: 1.3rem; border-left: 1px solid var(--chene); font: 300 clamp(1.4rem, 2vw, 1.85rem)/1.32 var(--serif); font-style: italic; color: var(--creme); }
.atelier-texte .signature { margin: 0; font: 300 2.6rem/1 var(--serif); font-style: italic; color: var(--chene-clair); }
.atelier-large { grid-column: 1 / -1; margin: 0 calc(-1 * var(--marge)); }
.atelier-large .g-cadre { aspect-ratio: 21 / 9; border-radius: 0; background: var(--charbon); }
.atelier-large figcaption { padding-inline: var(--marge); color: rgba(244, 239, 230, .72); }

/* Méthode */
.methode-tete { display: grid; grid-template-columns: 1.35fr 1fr; align-items: end; gap: 1rem 4rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.methode-tete .surtitre { grid-column: 1 / -1; margin: 0; }
.methode-tete .chapo { margin: 0; }
.pas-liste { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); margin: 0; padding: 0; list-style: none; }
.pas { position: relative; padding-top: 2.2rem; }
.pas::before { content: ""; position: absolute; inset: 0 0 auto; height: 1px; background: var(--charbon); transform-origin: left; transition: transform 1.4s var(--ease) calc(var(--d, 0) * 160ms + 200ms); }
.pas::after { content: ""; position: absolute; top: -4px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--chene); }
.js .pas:not(.vu)::before { transform: scaleX(0); }
.pas-num { display: block; margin-bottom: 1.3rem; font: 200 clamp(3.2rem, 5.5vw, 5rem)/1 var(--serif); letter-spacing: -.03em; color: var(--chene-fonce); }
.pas h3 { margin-bottom: .7rem; font-size: 1.65rem; }
.pas p { margin: 0; color: var(--doux); }

/* Outil « Préparer mon projet » */
.projet { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; gap: clamp(2.5rem, 6vw, 6rem); background: var(--charbon); color: var(--creme); }
.projet-intro { position: sticky; top: calc(var(--h-entete) + 2rem); }
.projet-intro .titre { margin-bottom: 1.5rem; }
.projet .surtitre, .projet .titre em { color: var(--chene); }
.projet-intro > p:not(.surtitre) { max-width: 26rem; color: rgba(244, 239, 230, .78); }
.projet-suivi { display: grid; margin: 2.5rem 0 0; padding: 0; list-style: none; max-width: 22rem; }
.projet-suivi li { display: flex; align-items: baseline; gap: 1rem; padding: .95rem 0; border-top: 1px solid rgba(244, 239, 230, .14); color: rgba(244, 239, 230, .55); transition: color .4s; }
.projet-suivi li::before { content: "0" attr(data-n); font: 400 1rem var(--serif); font-style: italic; }
.projet-suivi li.actif { color: var(--creme); }
.projet-suivi li.fait { color: var(--chene); }
.outil { --p: 1; position: relative; padding: clamp(1.4rem, 3.5vw, 3rem); border-radius: 6px; background: var(--creme); color: var(--charbon); }
.outil-barre { height: 2px; margin-bottom: 1.2rem; background: rgba(29, 26, 23, .1); }
.outil-barre span { display: block; width: calc(var(--p) / 3 * 100%); height: 100%; background: var(--chene-fonce); transition: width .7s var(--ease); }
.outil-etat { margin-bottom: 1.6rem; font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--doux); }
.ecran { min-width: 0; margin: 0; padding: 0; border: 0; }
.ecran:focus { outline: none; }
.ecran > legend { padding: 0; margin-bottom: 1.6rem; font: 300 clamp(1.65rem, 2.6vw, 2.3rem)/1.15 var(--serif); letter-spacing: -.02em; }
html:not(.js) .ecran { margin-bottom: 2.5rem; }
.js .ecran:not(.actif) { display: none; }
.js .ecran.actif { animation: entre .7s var(--ease); }
@keyframes entre { from { opacity: 0; filter: blur(6px); transform: translateY(14px); } }
.choix-grille { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 170px), 1fr)); gap: .75rem; }
.choix { position: relative; display: block; cursor: pointer; }
.choix input, .puce input { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.choix-corps { position: relative; display: flex; flex-direction: column; gap: .3rem; height: 100%; min-height: 96px; padding: 1.1rem 2.6rem 1.1rem 1.2rem; border: 1px solid rgba(29, 26, 23, .2); border-radius: 4px; transition: border-color .3s, background .3s, box-shadow .3s; }
.choix-corps::after { content: ""; position: absolute; top: 1.15rem; right: 1rem; width: 15px; height: 15px; border: 1px solid rgba(29, 26, 23, .4); border-radius: 50%; transition: background .3s, box-shadow .3s; }
.choix:hover .choix-corps { border-color: var(--charbon); }
.choix input:checked + .choix-corps { border-color: var(--charbon); background: var(--sable); box-shadow: inset 0 0 0 1px var(--charbon); }
.choix input:checked + .choix-corps::after { background: var(--charbon); box-shadow: inset 0 0 0 3px var(--sable); border-color: var(--charbon); }
.choix input:focus-visible + .choix-corps, .puce input:focus-visible + span { outline: 2px solid var(--charbon); outline-offset: 3px; }
.choix b { font: 400 1.3rem/1.2 var(--serif); }
.choix small { font-size: .85rem; line-height: 1.4; color: var(--doux); }
.choix-3 .choix-corps { padding-right: 2.6rem; }
.choix-3 .choix-corps::after { top: auto; bottom: 1.2rem; }
.choix-5 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.choix-5 .choix { grid-column: span 2; }
.choix-5 .choix:nth-child(n+4) { grid-column: span 3; }
.bois { display: block; height: 92px; margin-bottom: .7rem; border-radius: 3px; box-shadow: inset 0 0 0 1px rgba(29, 26, 23, .08); }
.bois { --fil: rgba(70, 40, 15, .16); --reflet: rgba(255, 245, 225, .16); background-image: repeating-linear-gradient(0deg, var(--fil) 0 1px, transparent 1px 6px, var(--reflet) 6px 8px, transparent 8px 13px), repeating-linear-gradient(0deg, transparent 0 21px, var(--fil) 21px 25px, transparent 25px 38px), linear-gradient(100deg, var(--b1), var(--b2) 45%, var(--b3)); }
.bois-chene { --b1: #C79A60; --b2: #B8864B; --b3: #D1A76E; }
.bois-noyer { --b1: #5E4130; --b2: #4A3426; --b3: #6B4B37; --fil: rgba(15, 8, 4, .28); --reflet: rgba(255, 220, 180, .07); }
.bois-frene { --b1: #EADBC0; --b2: #DCC7A3; --b3: #F1E5CF; --fil: rgba(120, 90, 40, .12); --reflet: rgba(255, 255, 255, .35); }
.curseurs { display: grid; grid-template-columns: minmax(0, 1fr) 210px; gap: 1.2rem 2rem; align-items: center; margin-bottom: 2.2rem; }
.curseur { grid-column: 1; display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: .2rem 1rem; }
.curseur label { font-size: .9375rem; font-weight: 500; }
.curseur output { font: 400 1.6rem/1 var(--serif); font-variant-numeric: tabular-nums; }
.curseur input { grid-column: 1 / -1; width: 100%; height: 44px; margin: 0; background: transparent; cursor: pointer; -webkit-appearance: none; appearance: none; }
.curseur input::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(var(--charbon), var(--charbon)) 0 / var(--pct, 50%) 100% no-repeat, rgba(29, 26, 23, .18); }
.curseur input::-webkit-slider-thumb { width: 26px; height: 26px; margin-top: -12px; border: 1px solid var(--charbon); border-radius: 50%; background: var(--creme); box-shadow: 0 3px 10px rgba(29, 26, 23, .18); transition: transform .25s var(--ease); -webkit-appearance: none; appearance: none; }
.curseur input:active::-webkit-slider-thumb { transform: scale(1.18); }
.curseur input::-moz-range-track { height: 2px; background: rgba(29, 26, 23, .18); }
.curseur input::-moz-range-progress { height: 2px; background: var(--charbon); }
.curseur input::-moz-range-thumb { width: 24px; height: 24px; border: 1px solid var(--charbon); border-radius: 50%; background: var(--creme); }
.apercu { grid-column: 2; grid-row: 1 / 3; display: grid; place-items: center; height: 170px; border: 1px dashed rgba(29, 26, 23, .25); border-radius: 4px; background: repeating-linear-gradient(0deg, transparent 0 19px, rgba(29, 26, 23, .05) 19px 20px), repeating-linear-gradient(90deg, transparent 0 19px, rgba(29, 26, 23, .05) 19px 20px); }
.apercu-boite { width: 120px; height: 96px; margin: 0; border-radius: 2px; box-shadow: 0 10px 24px -10px rgba(29, 26, 23, .45); transition: width .6s var(--ease), height .6s var(--ease); }
.sous { min-width: 0; margin: 0; padding: 0; border: 0; }
.sous legend { margin-bottom: .8rem; padding: 0; font-size: .9375rem; font-weight: 500; }
.puces { display: flex; flex-wrap: wrap; gap: .5rem; }
.puce { position: relative; }
.puce span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 1.15rem; border: 1px solid rgba(29, 26, 23, .28); border-radius: 999px; font-size: .9375rem; transition: background .3s, color .3s, border-color .3s; }
.puce:hover span { border-color: var(--charbon); }
.puce input:checked + span { border-color: var(--charbon); background: var(--charbon); color: var(--creme); }
.ecran-recap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; }
.recap { padding: 1.5rem; border-radius: 4px; background: var(--sable); }
.recap h3, .rappel h3 { margin-bottom: 1rem; font-size: 1.75rem; }
.recap dl { margin: 0; }
.recap dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .75rem 0; border-bottom: 1px solid rgba(29, 26, 23, .12); }
.recap dt { font-size: .875rem; color: var(--doux); }
.recap dd { margin: 0; font: 400 1.15rem/1.3 var(--serif); text-align: right; }
.recap-note { margin: 1rem 0 .3rem; font-size: .875rem; color: var(--doux); }
html:not(.js) .recap, html:not(.js) .outil-nav, html:not(.js) .outil-barre, html:not(.js) .outil-etat { display: none; }
.champ { display: grid; gap: .3rem; margin-bottom: 1.1rem; }
.champ label { font-size: .875rem; font-weight: 500; }
.champ input, .champ select, .champ textarea { width: 100%; min-height: 48px; padding: .7rem 0; border: 0; border-bottom: 1px solid rgba(29, 26, 23, .4); border-radius: 0; background: transparent; color: inherit; font: inherit; transition: border-color .3s; -webkit-appearance: none; appearance: none; }
.champ select { padding-right: 1.5rem; background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%231D1A17' stroke-width='1.4'><path d='M1 1l5 5 5-5'/></svg>") right center no-repeat; }
.champ textarea { resize: vertical; min-height: 7rem; }
.champ input:hover, .champ select:hover, .champ textarea:hover { border-bottom-color: var(--charbon); }
.champ input::placeholder { color: #7A6E62; }
.message-demo { min-height: 1.6em; margin: 1rem 0 0; font-weight: 500; }
.message-demo:not(:empty)::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: .6rem; border-radius: 50%; background: var(--chene); }
.outil-erreur { min-height: 1.5em; margin: 1rem 0 0; font-size: .9rem; font-weight: 500; color: var(--alerte); }
.outil-nav { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.4rem; border-top: 1px solid rgba(29, 26, 23, .12); }
.outil-nav [hidden] { display: none; }

/* Contact */
.contact { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2.5rem 2rem; background: var(--sable); }
.contact-tete { grid-column: 1 / -1; }
.titre-xl { font-size: clamp(2.9rem, 8.4vw, 8.4rem); line-height: .96; letter-spacing: -.04em; }
.titre-xl em { color: var(--chene-fonce); }
.contact-infos { grid-column: 1 / 6; margin: 0; }
.contact-infos div { padding: 1.1rem 0; border-top: 1px solid rgba(29, 26, 23, .16); }
.contact-infos dt { font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--chene-fonce); font-weight: 500; }
.contact-infos dd { margin: .35rem 0 0; font: 400 1.4rem/1.3 var(--serif); }
.contact-form { grid-column: 7 / 13; }

/* Pied de page */
.pied { overflow: hidden; padding: clamp(4rem, 8vw, 7rem) var(--marge) 1.5rem; background: var(--charbon); color: var(--creme); }
.pied-marque { margin: 0 0 clamp(2rem, 5vw, 4rem); font: 200 clamp(3.4rem, 18.5vw, 19rem)/.9 var(--serif); letter-spacing: -.05em; color: var(--chene); white-space: nowrap; }
.pied-marque em { font-weight: 200; color: var(--chene-clair); }
.pied-grille { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 1.5rem 2rem; padding-top: 1.8rem; border-top: 1px solid rgba(244, 239, 230, .15); font-size: .9rem; color: rgba(244, 239, 230, .75); }
.pied-grille p { margin: 0; }
.pied nav { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 0 1.5rem; }
.pied a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.pied a:hover { color: var(--creme); }
.pied-studio { text-align: right; }
.pied-studio a { text-decoration: underline; text-underline-offset: 4px; }

/* Défilement lié aux images (si pris en charge) */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .g-cadre img { height: 116%; animation: parallaxe linear both; animation-timeline: view(); }
    @keyframes parallaxe { from { translate: 0 -12%; } to { translate: 0 0; } }
  }
}

/* Tablette */
@media (max-width: 960px) {
  :root { --h-entete: 64px; }
  .nav, .entete-cta { display: none; }
  .js .burger { display: inline-flex; }
  .savoir-tete, .methode-tete { grid-template-columns: 1fr; }
  .mosaique { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .t1 { grid-column: 1 / -1; grid-row: auto; }
  .t2, .t3, .t4, .t5 { grid-column: span 1; }
  .t5 { grid-column: 1 / -1; }
  .tuile, .t1 { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; }
  .tuile svg { grid-column: 1; grid-row: 1; justify-self: end; width: 58%; margin: 0; }
  .tuile-texte { grid-row: 2; padding-top: 1.75rem; }
  .t1 { grid-template-rows: auto auto auto; }
  .t1 svg { grid-row: 2; justify-self: center; width: 76%; margin: 1rem 0; }
  .t1 .tuile-texte { grid-row: 3; padding-top: 1rem; }
  .g1 { grid-column: 1 / -1; }
  .g2 { grid-column: 6 / -1; margin-top: 0; }
  .g-note { grid-column: 1 / 6; grid-row: 2; }
  .g3 { grid-column: 1 / 9; grid-row: 3; margin-top: 0; }
  .atelier-portrait { grid-column: 1 / 7; }
  .atelier-texte { grid-column: 7 / -1; }
  .pas-liste { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 3rem; }
  .projet { grid-template-columns: 1fr; }
  .projet-intro { position: static; }
  .projet-suivi { display: none; }
  .contact { grid-template-columns: minmax(0, 1fr); }
  .contact-infos, .contact-form { grid-column: 1 / -1; }
  .pied-grille { grid-template-columns: 1fr 1fr; }
  .pied-studio { grid-column: 1 / -1; text-align: left; }
}

/* Téléphone */
@media (max-width: 640px) {
  .section { padding-block: clamp(4.5rem, 16vw, 6rem); }
  .accueil-pied .legende { font-size: .75rem; }
  .accueil-actions .bouton { width: 100%; }
  .mosaique { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .t1, .t2, .t3, .t4, .t5 { grid-column: 1; }
  .tuile svg { width: 60%; }
  .t1 svg { width: 88%; }
  .galerie { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .g1, .g-note { grid-column: 1 / -1; }
  .g2 { grid-column: 2 / -1; grid-row: auto; }
  .g-note { grid-row: auto; }
  .g3 { grid-column: 1 / 6; grid-row: auto; }
  .choix-5 { grid-template-columns: minmax(0, 1fr); }
  .choix-5 .choix, .choix-5 .choix:nth-child(n+4) { grid-column: auto; }
  .choix-corps { min-height: 0; padding: .95rem 3rem .95rem 1.1rem; }
  .choix-corps::after { top: 50%; bottom: auto; margin-top: -8px; }
  .choix-3 .choix-corps { display: grid; grid-template-columns: 76px minmax(0, 1fr); column-gap: 1rem; align-items: center; padding-right: 3rem; }
  .choix-3 .bois { grid-row: 1 / 3; height: 64px; margin: 0; }
  .choix-3 b, .choix-3 small { grid-column: 2; }
  .atelier-portrait, .atelier-texte { grid-column: 1 / -1; }
  .atelier-large .g-cadre { aspect-ratio: 4 / 3; }
  .pas-liste { grid-template-columns: 1fr; }
  .outil { margin-inline: calc(-1 * var(--marge) + 8px); }
  .curseurs { grid-template-columns: 1fr; }
  .apercu { grid-column: 1; grid-row: auto; height: 150px; }
  .ecran-recap { grid-template-columns: 1fr; }
  .outil-nav .bouton { padding: 0 1.3rem; }
  .outil-nav [data-suiv] { flex: 1; }
  .pied-grille { grid-template-columns: 1fr; }
}

/* Mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .defile-piste { animation: none; }
}