@import url('https://fonts.googleapis.com/css2?family=Alumni+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,500;1,700&family=IBM+Plex+Mono:wght@400;500;600&family=Work+Sans:wght@400;500;600;700&display=swap');

:root {
  --accent: #224DFF;
  --accent-fonce: #1734AE;
  --accent-pale: #DDE4FF;
  --papier: #F2F0EA;
  --papier-clair: #FFFDF8;
  --encre: #202127;
  --nuit: #15171D;
  --gris: #747984;
  --gris-clair: #C7CAD1;
  --blanc: #FFFFFF;
  --noir: #000000;
  --voile-hero: color-mix(in srgb, var(--nuit) 86%, transparent);
  --voile-leger: color-mix(in srgb, var(--nuit) 18%, transparent);
  --ligne: color-mix(in srgb, var(--encre) 22%, transparent);
  --ligne-claire: color-mix(in srgb, var(--blanc) 30%, transparent);
  --titre: 'Alumni Sans', sans-serif;
  --texte: 'Work Sans', sans-serif;
  --donnees: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--papier); color: var(--encre); font-family: var(--texte); font-size: 1rem; line-height: 1.62; }
body.menu-ouvert { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; background: repeating-linear-gradient(135deg,var(--papier),var(--papier) 12px,var(--accent-pale) 12px,var(--accent-pale) 24px); }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.evitement { position: fixed; z-index: 500; left: 1rem; top: -6rem; padding: .8rem 1rem; background: var(--accent); color: var(--blanc); transition: top .25s ease, background .25s ease; }
.evitement:focus { top: 1rem; background: var(--accent-fonce); }

.entete { position: absolute; z-index: 90; top: 0; left: 0; right: 0; min-height: 92px; padding: 0 clamp(1.2rem,3.5vw,4.5rem); display: grid; grid-template-columns: minmax(190px,1fr) auto auto auto; gap: clamp(1rem,2vw,2.2rem); align-items: center; color: var(--blanc); border-bottom: 1px solid var(--ligne-claire); transition: min-height .32s ease, background .32s ease, color .32s ease, backdrop-filter .32s ease; }
.entete.defilee { position: fixed; min-height: 76px; background: color-mix(in srgb,var(--papier-clair) 94%,transparent); color: var(--encre); border-color: var(--ligne); backdrop-filter: blur(14px); }
.logo { min-width: 0; display: grid; width: max-content; max-width: 100%; line-height: 1; transition: transform .25s ease, color .25s ease; }
.logo:hover { color: var(--accent); transform: translateX(3px); }
.logo strong { overflow: hidden; font-family: var(--titre); font-size: clamp(1.4rem,2vw,2rem); font-weight: 800; letter-spacing: .015em; white-space: nowrap; text-overflow: ellipsis; }
.logo small { margin-top: .28rem; font-family: var(--donnees); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.navigation { display: flex; min-height: 46px; align-items: center; gap: clamp(.8rem,1.6vw,1.7rem); }
.navigation a { min-height: 46px; display: flex; align-items: center; border-bottom: 1px solid transparent; font-size: .78rem; font-weight: 600; transition: color .22s ease, border-color .22s ease, transform .22s ease; }
.navigation a:hover { color: var(--accent); border-color: currentColor; transform: translateY(-2px); }
.appel { min-height: 52px; padding: .55rem .8rem; display: grid; align-content: center; border: 1px solid currentColor; transition: background .25s ease, color .25s ease, transform .25s ease; }
.appel:hover { background: var(--accent); color: var(--blanc); transform: translateY(-3px); }
.appel span { font-family: var(--donnees); font-size: .54rem; letter-spacing: .08em; text-transform: uppercase; }
.appel strong { font-size: .82rem; }
.menu-bouton { min-height: 52px; padding: .65rem .9rem; border: 1px solid currentColor; background: transparent; cursor: pointer; font-family: var(--donnees); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; transition: background .25s ease, color .25s ease, transform .25s ease; }
.menu-bouton:hover { background: var(--accent); color: var(--blanc); transform: translateY(-3px); }

.menu-total { position: fixed; z-index: 200; inset: 0; padding: clamp(5rem,8vw,8rem) clamp(1.2rem,6vw,7rem) 3rem; overflow: auto; background: var(--accent); color: var(--blanc); animation: menuEntre .45s both; }
.menu-total[hidden] { display: none; }
.menu-fermer { position: absolute; right: clamp(1.2rem,3.5vw,4.5rem); top: 1.5rem; min-height: 48px; padding: .6rem 1rem; border: 1px solid var(--blanc); background: transparent; color: var(--blanc); cursor: pointer; transition: background .2s ease, color .2s ease, transform .2s ease; }
.menu-fermer:hover { background: var(--blanc); color: var(--accent); transform: translateY(-2px); }
.menu-total nav { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--ligne-claire); border-left: 1px solid var(--ligne-claire); }
.menu-total nav a { min-height: 104px; padding: 1.2rem; display: grid; grid-template-columns: 34px 1fr; align-items: end; border-right: 1px solid var(--ligne-claire); border-bottom: 1px solid var(--ligne-claire); font-family: var(--titre); font-size: clamp(1.35rem,2vw,2.2rem); font-weight: 700; line-height: 1; transition: background .25s ease, color .25s ease, padding .25s ease; }
.menu-total nav a:hover { padding-left: 1.7rem; background: var(--blanc); color: var(--accent); }
.menu-total nav span { align-self: start; font-family: var(--donnees); font-size: .62rem; }

.hero { position: relative; min-height: 100vh; min-height: 100svh; overflow: hidden; display: flex; align-items: flex-end; color: var(--blanc); }
.hero-image, .hero-image img, .hero-voile { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { margin: 0; overflow: hidden; }
.hero-image img { object-fit: cover; object-position: center; animation: kenBurns 22s ease-in-out infinite alternate; }
.hero-voile { background: linear-gradient(90deg,var(--voile-hero) 0%,color-mix(in srgb,var(--nuit) 55%,transparent) 42%,color-mix(in srgb,var(--nuit) 8%,transparent) 74%); }
.hero-copie { position: relative; z-index: 3; width: min(820px,72vw); padding: 0 0 clamp(5rem,9vw,8rem) clamp(1.2rem,6vw,7rem); animation: titreEntre .9s .15s both; }
.surtitre, .repere { margin: 0 0 1.1rem; color: var(--accent); font-family: var(--donnees); font-size: .67rem; font-weight: 600; letter-spacing: .17em; text-transform: uppercase; }
.hero .surtitre { color: var(--blanc); }
.hero h1 { margin: 0; max-width: 900px; font-family: var(--titre); font-size: clamp(4.8rem,10vw,10rem); font-weight: 800; letter-spacing: -.035em; line-height: .78; text-transform: uppercase; }
.hero h1 em { color: var(--accent); font-style: normal; font-weight: 500; }
.hero-copie > p:not(.surtitre) { max-width: 640px; margin: 1.7rem 0 0; font-size: clamp(1rem,1.4vw,1.22rem); }
.hero-actions { margin-top: 1.8rem; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.bouton { min-height: 52px; padding: .78rem 1.15rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--encre); background: transparent; color: var(--encre); font-family: var(--donnees); font-size: .68rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; transition: background .25s ease, color .25s ease, transform .25s ease, border-color .25s ease; }
.bouton:hover { background: var(--accent); color: var(--blanc); border-color: var(--accent); transform: translateY(-4px); }
.bouton-clair { border-color: var(--blanc); background: var(--blanc); color: var(--encre); }
.bouton-clair:hover { background: var(--accent); color: var(--blanc); border-color: var(--accent); }
.lien-trait { min-height: 48px; padding: .7rem .1rem; display: inline-flex; align-items: center; border-bottom: 1px solid currentColor; font-size: .85rem; font-weight: 600; transition: color .22s ease, padding .22s ease, border-color .22s ease; }
.lien-trait:hover { padding-left: .6rem; color: var(--accent); border-color: var(--accent); }
.hero-note { position: absolute; z-index: 4; right: clamp(1.2rem,3.5vw,4.5rem); bottom: clamp(5rem,7vw,7rem); width: min(280px,24vw); padding: 1.2rem; display: grid; border: 1px solid var(--ligne-claire); background: color-mix(in srgb,var(--nuit) 70%,transparent); backdrop-filter: blur(8px); animation: noteEntre .8s .6s both; }
.hero-note span, .hero-note small { font-family: var(--donnees); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.hero-note strong { margin: .45rem 0; font-family: var(--titre); font-size: 1.65rem; line-height: 1; }
.defilement { position: absolute; z-index: 4; left: clamp(1.2rem,3.5vw,4.5rem); bottom: 1.2rem; display: flex; gap: 1rem; align-items: center; font-family: var(--donnees); font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; }
.defilement span { animation: descend 1.5s ease-in-out infinite; }

.essentiel { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr; border-bottom: 1px solid var(--ligne); background: var(--papier-clair); }
.essentiel div { min-height: 120px; padding: 1.3rem clamp(1rem,2.2vw,2rem); display: grid; align-content: center; border-right: 1px solid var(--ligne); }
.essentiel div:last-child { border-right: 0; }
.essentiel span { color: var(--gris); font-family: var(--donnees); font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; }
.essentiel strong, .essentiel a { margin-top: .3rem; font-family: var(--titre); font-size: clamp(1.25rem,1.8vw,1.75rem); line-height: 1.05; }
.essentiel a { color: var(--accent); transition: color .2s ease, transform .2s ease; }
.essentiel a:hover { color: var(--accent-fonce); transform: translateX(4px); }

.manifeste { max-width: 1280px; margin: auto; padding: clamp(6rem,11vw,11rem) clamp(1.2rem,4vw,4rem); }
.manifeste h2 { max-width: 1120px; margin: 0; font-family: var(--titre); font-size: clamp(3.7rem,7.3vw,8rem); font-weight: 700; letter-spacing: -.035em; line-height: .9; }
.manifeste-colonnes { margin: 4rem 0 0 33.333%; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); border-top: 1px solid var(--encre); }
.manifeste-colonnes p { margin: 0; padding-top: 1.2rem; }

.calques { display: grid; grid-template-columns: 5fr 7fr; min-height: 820px; background: var(--nuit); color: var(--blanc); border-block: 1px solid var(--nuit); }
.calques-texte { padding: clamp(4rem,7vw,7rem) clamp(1.2rem,5vw,5rem); align-self: center; }
.repere-clair { color: var(--accent-pale); }
.calques h2 { margin: 0; font-family: var(--titre); font-size: clamp(4rem,7vw,7.5rem); font-weight: 700; line-height: .83; }
.calques-texte > p:not(.repere,.consigne) { max-width: 540px; }
.consigne { margin: 2rem 0 .8rem; color: var(--accent-pale); font-family: var(--donnees); font-size: .72rem; }
.calques-boutons { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--ligne-claire); border-left: 1px solid var(--ligne-claire); }
.calques-boutons button { min-height: 102px; padding: .9rem; display: grid; align-content: space-between; text-align: left; border: 0; border-right: 1px solid var(--ligne-claire); border-bottom: 1px solid var(--ligne-claire); background: transparent; color: var(--blanc); cursor: pointer; font-family: var(--titre); font-size: 1.45rem; font-weight: 600; transition: background .25s ease, color .25s ease, transform .25s ease; }
.calques-boutons button:hover, .calques-boutons button.actif { background: var(--accent); color: var(--blanc); transform: translateY(-3px); }
.calques-boutons span { font-family: var(--donnees); font-size: .58rem; }
.calques-resultat { min-height: 132px; padding: 1.2rem 0; border-bottom: 1px solid var(--ligne-claire); animation: resultatEntre .4s both; }
.calques-resultat strong { font-family: var(--titre); font-size: 1.8rem; }
.calques-resultat p { margin: .35rem 0 0; max-width: 520px; color: color-mix(in srgb,var(--blanc) 72%,transparent); font-size: .9rem; }
.calques-visuel { position: relative; min-width: 0; margin: 0; overflow: hidden; background: var(--accent-pale); }
.calques-visuel img { height: 100%; object-fit: cover; filter: saturate(.78) contrast(1.04); transition: filter .6s ease, transform .6s ease; }
.calques-visuel[data-etat="lumiere"] img { filter: saturate(.55) brightness(1.18) contrast(.92); transform: scale(1.025); }
.calques-visuel[data-etat="matieres"] img { filter: saturate(1.12) contrast(1.08); transform: scale(1.04); }
.trace { position: absolute; z-index: 2; pointer-events: none; opacity: 0; border: 2px solid var(--accent); transition: opacity .42s ease, transform .42s ease, width .42s ease, height .42s ease; }
[data-etat="circulation"] .trace-a { opacity: 1; left: 8%; top: 62%; width: 68%; height: 12%; transform: skewX(-18deg); border-width: 2px 0; }
[data-etat="circulation"] .trace-b { opacity: 1; left: 45%; top: 48%; width: 38%; height: 22%; border-left: 0; }
[data-etat="lumiere"] .trace-a { opacity: .82; left: 44%; top: 4%; width: 48%; height: 78%; border-width: 0 0 0 3px; background: linear-gradient(90deg,color-mix(in srgb,var(--accent) 22%,transparent),transparent); transform: skewX(-15deg); }
[data-etat="lumiere"] .trace-c { opacity: 1; left: 54%; top: 12%; width: 22%; height: 22%; border-radius: 50%; }
[data-etat="matieres"] .trace-a { opacity: 1; left: 57%; top: 52%; width: 22%; height: 27%; }
[data-etat="matieres"] .trace-b { opacity: 1; left: 8%; top: 54%; width: 30%; height: 32%; }
[data-etat="matieres"] .trace-c { opacity: 1; left: 30%; top: 8%; width: 18%; height: 30%; }
.calques-visuel figcaption { position: absolute; z-index: 3; left: 1.2rem; right: 1.2rem; bottom: 1.2rem; padding: .8rem 1rem; display: flex; justify-content: space-between; gap: 1rem; background: var(--papier-clair); color: var(--encre); font-family: var(--donnees); font-size: .62rem; }

.prestations { max-width: 1280px; margin: auto; padding: clamp(6rem,10vw,10rem) clamp(1.2rem,4vw,4rem); }
.prestations > header { display: grid; grid-template-columns: 1fr 2fr; column-gap: 3rem; }
.prestations > header .repere { grid-column: 1/-1; }
.prestations h2, .projets h2, .methode h2, .dossier h2, .studio h2, .finale h2, .page-haute h1 { margin: 0; font-family: var(--titre); font-size: clamp(3.7rem,6.5vw,7rem); font-weight: 700; letter-spacing: -.03em; line-height: .86; }
.prestations > header p:last-child { margin: 0; max-width: 540px; }
.liste-prestations { margin-top: 4rem; border-top: 1px solid var(--encre); }
.liste-prestations a { min-height: 132px; padding: 1.2rem 0; display: grid; grid-template-columns: 70px minmax(0,1fr) 190px 35px; gap: 1.3rem; align-items: center; border-bottom: 1px solid var(--ligne); transition: background .25s ease, padding .25s ease, color .25s ease; }
.liste-prestations a:hover { padding-inline: 1.2rem; background: var(--accent); color: var(--blanc); }
.liste-prestations > a > span { font-family: var(--donnees); font-size: .7rem; }
.liste-prestations h3 { margin: 0; font-family: var(--titre); font-size: clamp(2rem,3vw,3rem); font-weight: 700; line-height: .95; }
.liste-prestations p { margin: .4rem 0 0; max-width: 640px; font-size: .88rem; }
.liste-prestations strong { font-family: var(--donnees); font-size: .72rem; text-align: right; }
.liste-prestations i { font-style: normal; font-size: 1.5rem; }

.projets { padding: clamp(6rem,9vw,9rem) clamp(1.2rem,3vw,3.5rem); border-top: 1px solid var(--ligne); background: var(--papier-clair); }
.projets > header { max-width: 1280px; margin: 0 auto 4rem; display: grid; grid-template-columns: 1.35fr .65fr; gap: 5rem; align-items: end; }
.projets > header > p { margin: 0; }
.mosaique-projets { display: grid; grid-template-columns: repeat(12,1fr); grid-auto-rows: 180px; gap: .8rem; }
.mosaique-projets figure { position: relative; margin: 0; grid-column: span 3; grid-row: span 2; overflow: hidden; border: 1px solid var(--ligne); }
.mosaique-projets figure.grand { grid-column: span 6; grid-row: span 3; }
.mosaique-projets figure.haut { grid-column: span 3; grid-row: span 3; }
.mosaique-projets figure.large { grid-column: span 6; grid-row: span 2; }
.mosaique-projets img { height: 100%; object-fit: cover; filter: saturate(.78); transition: filter .55s ease, transform .55s ease; }
.mosaique-projets figure:hover img { filter: saturate(1.05); transform: scale(1.035); }
.mosaique-projets figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: .8rem; display: flex; justify-content: space-between; gap: 1rem; background: var(--papier-clair); font-size: .68rem; }
.mosaique-projets figcaption strong { font-family: var(--donnees); text-transform: uppercase; }
.projets > .lien-trait { margin-top: 2rem; }
.lien-sombre { color: var(--encre); }

.matiere { padding: clamp(6rem,9vw,9rem) 0; overflow: hidden; background: var(--accent); color: var(--blanc); }
.matiere-intro { max-width: 1280px; margin: auto; padding: 0 clamp(1.2rem,4vw,4rem); display: grid; grid-template-columns: 1.4fr .6fr; gap: 5rem; align-items: end; }
.matiere-intro .repere { grid-column: 1/-1; }
.matiere h2 { margin: 0; font-family: var(--titre); font-size: clamp(4rem,7vw,8rem); font-weight: 700; line-height: .83; }
.matiere-intro > p:last-child { margin: 0; }
.ruban-matieres { width: max-content; margin-top: 4rem; padding-left: clamp(1.2rem,4vw,4rem); display: flex; gap: .8rem; animation: ruban 28s linear infinite alternate; }
.ruban-matieres figure { width: min(31vw,420px); margin: 0; border: 1px solid var(--ligne-claire); background: var(--nuit); }
.ruban-matieres img { aspect-ratio: 3/2; object-fit: cover; filter: saturate(.72); transition: filter .4s ease, transform .4s ease; }
.ruban-matieres figure:hover img { filter: saturate(1.08); transform: scale(.98); }
.ruban-matieres figcaption { padding: .65rem; font-family: var(--donnees); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }

.methode { max-width: 1280px; margin: auto; padding: clamp(6rem,10vw,10rem) clamp(1.2rem,4vw,4rem); }
.methode header { display: grid; grid-template-columns: .45fr 1.55fr; gap: 3rem; align-items: end; }
.methode header .repere { align-self: start; }
.methode ol { list-style: none; margin: 4rem 0 0; padding: 0; border-top: 1px solid var(--encre); }
.methode li { min-height: 145px; padding: 1.4rem 0; display: grid; grid-template-columns: 100px 1fr 180px; gap: 2rem; align-items: start; border-bottom: 1px solid var(--ligne); }
.methode li > span { color: var(--accent); font-family: var(--titre); font-size: 3.5rem; font-weight: 700; line-height: 1; }
.methode h3 { margin: 0; font-family: var(--titre); font-size: 2.2rem; line-height: 1; }
.methode li p { max-width: 690px; margin: .5rem 0 0; }
.methode small { padding-top: .45rem; font-family: var(--donnees); font-size: .65rem; text-transform: uppercase; }

.dossier { display: grid; grid-template-columns: 1fr 1fr; min-height: 760px; background: var(--accent-pale); border-block: 1px solid var(--ligne); }
.dossier figure { margin: 0; overflow: hidden; }
.dossier figure img { height: 100%; object-fit: cover; }
.dossier > div { padding: clamp(4rem,8vw,8rem); align-self: center; }
.dossier ul { margin: 2rem 0; padding: 0; list-style: none; border-top: 1px solid var(--encre); }
.dossier li { padding: .85rem 0; border-bottom: 1px solid var(--ligne); }

.avis { position: relative; min-height: 800px; padding: clamp(5rem,9vw,9rem) clamp(1.2rem,6vw,7rem); overflow: hidden; display: grid; grid-template-columns: 1.3fr .7fr; gap: 5rem; align-content: center; background: var(--nuit); color: var(--blanc); }
.avis .repere { grid-column: 1/-1; }
.avis blockquote { z-index: 2; margin: 0; font-family: var(--titre); font-size: clamp(3rem,5.5vw,6.5rem); font-weight: 600; line-height: .9; }
.avis > div { z-index: 2; align-self: end; display: grid; font-family: var(--donnees); font-size: .68rem; text-transform: uppercase; }
.avis figure { position: absolute; right: -4vw; top: 8%; width: 38vw; margin: 0; opacity: .28; }
.avis figure img { height: 680px; object-fit: cover; }
.avis figcaption { padding-top: .5rem; font-family: var(--donnees); font-size: .6rem; }

.studio { max-width: 1280px; margin: auto; padding: clamp(6rem,10vw,10rem) clamp(1.2rem,4vw,4rem); display: grid; grid-template-columns: .9fr 1.1fr; gap: 5rem; position: relative; }
.studio > div { align-self: center; }
.studio figure { margin: 0; overflow: hidden; }
.studio figure img { aspect-ratio: 3/4; height: 100%; object-fit: cover; }
.studio aside { position: absolute; right: 1rem; bottom: 7rem; width: 260px; padding: 1.2rem; display: grid; border: 1px solid var(--encre); background: var(--papier-clair); }
.studio aside span, .studio aside small { font-family: var(--donnees); font-size: .58rem; text-transform: uppercase; }
.studio aside strong { margin-top: .35rem; font-family: var(--titre); font-size: 1.4rem; }

.finale { min-height: 700px; display: grid; grid-template-columns: .78fr 1.22fr; background: var(--nuit); color: var(--blanc); }
.finale > img { height: 100%; object-fit: cover; filter: saturate(.7) brightness(.75); }
.finale > div { padding: clamp(4rem,8vw,8rem); align-self: center; }
.finale > div > p:not(.repere) { max-width: 620px; }
.finale > div > div { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.finale > div > div > a:last-child { font-family: var(--titre); font-size: 2rem; transition: color .2s ease, transform .2s ease; }
.finale > div > div > a:last-child:hover { color: var(--accent); transform: translateX(4px); }

.pied { padding: 5rem clamp(1.2rem,4vw,4rem) 2rem; display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 3rem; border-top: 1px solid var(--ligne-claire); background: var(--nuit); color: var(--blanc); }
.pied > div p { max-width: 300px; font-size: .82rem; }
.pied-appel { color: var(--accent-pale); font-family: var(--titre); font-size: 1.8rem; transition: color .22s ease, transform .22s ease; }
.pied-appel:hover { color: var(--blanc); transform: translateX(3px); }
.pied nav { display: grid; align-content: start; gap: .45rem; font-size: .76rem; }
.pied nav strong { margin-bottom: .7rem; font-family: var(--donnees); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }
.pied nav a { width: max-content; border-bottom: 1px solid transparent; transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.pied nav a:hover { color: var(--accent-pale); border-color: currentColor; transform: translateX(3px); }
.mention { grid-column: 1/-1; margin: 2rem 0 0; padding-top: 1.2rem; border-top: 1px solid var(--ligne-claire); color: color-mix(in srgb,var(--blanc) 55%,transparent); font-family: var(--donnees); font-size: .58rem; }
.appel-mobile { display: none; }

/* Pages intérieures */
.page-interieure .entete { position: relative; background: var(--papier-clair); color: var(--encre); border-color: var(--ligne); }
.page-haute { min-height: 520px; padding: clamp(5rem,9vw,9rem) clamp(1.2rem,6vw,7rem); display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; border-bottom: 1px solid var(--ligne); background: var(--accent-pale); }
.page-haute p:last-child { max-width: 520px; margin: 0; }
.page-haute-sombre { background: var(--nuit); color: var(--blanc); }
.page-haute-image { position: relative; min-height: 620px; color: var(--blanc); overflow: hidden; }
.page-haute-image > img { position: absolute; inset: 0; height: 100%; object-fit: cover; filter: brightness(.46) saturate(.7); }
.page-haute-image > div { position: relative; z-index: 2; align-self: end; max-width: 900px; }
.page-contenu { max-width: 1280px; margin: auto; padding: clamp(5rem,9vw,9rem) clamp(1.2rem,4vw,4rem); }
.page-contenu h2 { margin: 0 0 2rem; font-family: var(--titre); font-size: clamp(3.2rem,5vw,5.7rem); line-height: .9; }
.page-contenu h3 { margin: 0; font-family: var(--titre); font-size: 2rem; line-height: 1; }
.page-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; }
.page-intro > p { margin: 0; font-size: 1.12rem; }
.page-grille { margin-top: 4rem; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--encre); border-left: 1px solid var(--ligne); }
.page-grille article { min-height: 270px; padding: 1.5rem; border-right: 1px solid var(--ligne); border-bottom: 1px solid var(--ligne); transition: background .24s ease, color .24s ease, transform .24s ease; }
.page-grille article:hover { background: var(--accent-pale); transform: translateY(-3px); }
.page-grille span { color: var(--accent); font-family: var(--donnees); font-size: .65rem; }
.page-grille h3 { margin-top: 3rem; }
.page-diptyque { display: grid; grid-template-columns: 1fr 1fr; min-height: 680px; border-block: 1px solid var(--ligne); }
.page-diptyque > img { height: 100%; object-fit: cover; transition: filter .45s ease, transform .45s ease; }
.page-diptyque:hover > img { filter: saturate(.72); transform: scale(.995); }
.page-diptyque > div { padding: clamp(4rem,7vw,7rem); align-self: center; }
.page-diptyque h2 { margin: 0; font-family: var(--titre); font-size: clamp(3.4rem,5vw,5.8rem); line-height: .9; }
.page-liste { margin: 3rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--encre); }
.page-liste li { padding: 1rem 0; display: grid; grid-template-columns: 50px 1fr auto; gap: 1rem; border-bottom: 1px solid var(--ligne); }
.page-liste span, .page-liste small { font-family: var(--donnees); font-size: .65rem; }
.page-tarifs { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--encre); border-left: 1px solid var(--ligne); }
.page-tarifs article { min-height: 310px; padding: 2rem; display: flex; flex-direction: column; border-right: 1px solid var(--ligne); border-bottom: 1px solid var(--ligne); transition: background .24s ease, color .24s ease, transform .24s ease; }
.page-tarifs article:hover { background: var(--accent-pale); transform: translateY(-3px); }
.page-tarifs strong { margin-top: auto; color: var(--accent); font-family: var(--titre); font-size: 2.5rem; }
.page-formulaire { max-width: 900px; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.page-formulaire label { display: grid; gap: .4rem; font-family: var(--donnees); font-size: .68rem; text-transform: uppercase; }
.page-formulaire label.large { grid-column: 1/-1; }
.page-formulaire input, .page-formulaire select, .page-formulaire textarea { min-height: 52px; padding: .8rem; border: 1px solid var(--encre); border-radius: 0; background: var(--papier-clair); color: var(--encre); }
.page-formulaire textarea { min-height: 150px; resize: vertical; }
.page-formulaire .bouton { grid-column: 1/-1; width: max-content; cursor: pointer; }
.page-contenu > .consigne { color: var(--accent); }
.projet-demo { display: grid; grid-template-columns: 250px 1fr; min-height: 610px; border: 1px solid var(--encre); background: var(--papier-clair); }
.projet-demo aside { padding: 1.3rem; display: grid; align-content: start; gap: .5rem; background: var(--nuit); color: var(--blanc); }
.projet-demo aside button { min-height: 48px; padding: .7rem; border: 1px solid var(--ligne-claire); background: transparent; color: var(--blanc); text-align: left; cursor: pointer; transition: background .22s ease, color .22s ease, transform .22s ease; }
.projet-demo aside button:hover, .projet-demo aside button.actif { background: var(--accent); color: var(--blanc); transform: translateX(3px); }
.projet-demo > div { padding: clamp(1.5rem,4vw,4rem); }
.projet-demo h2 { margin: 0; }
.barre-budget { margin-top: 3rem; height: 18px; display: grid; grid-template-columns: 38% 24% 22% 16%; border: 1px solid var(--encre); }
.barre-budget i:nth-child(1) { background: var(--accent); }
.barre-budget i:nth-child(2) { background: var(--accent-pale); }
.barre-budget i:nth-child(3) { background: var(--gris-clair); }
.barre-budget i:nth-child(4) { background: var(--papier); }

.rv { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.rv.visible { opacity: 1; transform: translateY(0); }
.rv:nth-child(2n) { transition-delay: .06s; }
.rv:nth-child(3n) { transition-delay: .12s; }

@keyframes kenBurns { from { transform: scale(1); } to { transform: scale(1.06); } }
@keyframes titreEntre { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes noteEntre { from { opacity: 0; transform: translateX(25px); } to { opacity: 1; transform: translateX(0); } }
@keyframes descend { 0%,100% { transform: translateY(0); } 50% { transform: translateY(7px); } }
@keyframes menuEntre { from { opacity: 0; transform: translateY(-18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes resultatEntre { from { opacity: .3; transform: translateX(-8px); } to { opacity: 1; transform: translateX(0); } }
@keyframes ruban { from { transform: translateX(0); } to { transform: translateX(-22vw); } }
@keyframes appelPulse { 0%,100% { outline-offset: 0; } 50% { outline-offset: 5px; } }
@keyframes traitTrace { from { stroke-dashoffset: 90; } to { stroke-dashoffset: 0; } }

@media (max-width: 1100px) {
  .entete { grid-template-columns: 1fr auto auto; }
  .navigation { display: none; }
  .essentiel { grid-template-columns: 1fr 1fr; }
  .essentiel div:nth-child(2) { border-right: 0; }
  .essentiel div:nth-child(-n+2) { border-bottom: 1px solid var(--ligne); }
  .calques { grid-template-columns: 1fr; }
  .calques-visuel { min-height: 640px; }
  .mosaique-projets { grid-auto-rows: 160px; }
  .mosaique-projets figure, .mosaique-projets figure.haut { grid-column: span 4; }
  .mosaique-projets figure.grand, .mosaique-projets figure.large { grid-column: span 8; }
  .matiere-intro { grid-template-columns: 1fr; gap: 1.5rem; }
  .methode header { grid-template-columns: 1fr; }
  .pied { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { padding-bottom: 66px; }
  .entete { min-height: 76px; padding-inline: 1rem; grid-template-columns: minmax(0,1fr) auto; gap: .6rem; }
  .entete .appel { display: none; }
  .logo strong { font-size: 1.38rem; }
  .logo small { font-size: .48rem; }
  .menu-bouton { min-height: 46px; padding-inline: .65rem; font-size: .58rem; }
  .menu-total { padding: 5rem 1rem 2rem; }
  .menu-total nav { grid-template-columns: 1fr; }
  .menu-total nav a { min-height: 68px; font-size: 1.5rem; }
  .hero { min-height: 88vh; min-height: 88svh; }
  .hero-image img { object-position: center; }
  .hero-voile { background: linear-gradient(0deg,var(--voile-hero) 0%,color-mix(in srgb,var(--nuit) 48%,transparent) 58%,color-mix(in srgb,var(--nuit) 10%,transparent) 100%); }
  .hero-copie { width: auto; padding: 0 1rem 5.4rem; }
  .hero h1 { font-size: clamp(4rem,19vw,6.6rem); }
  .hero-copie > p:not(.surtitre) { font-size: .94rem; }
  .hero-note { display: none; }
  .defilement { display: none; }
  .essentiel { grid-template-columns: 1fr; }
  .essentiel div { min-height: 92px; border-right: 0; border-bottom: 1px solid var(--ligne); }
  .manifeste { padding-block: 5rem; }
  .manifeste h2 { font-size: clamp(3.3rem,14vw,5.2rem); }
  .manifeste-colonnes { margin: 2.5rem 0 0; grid-template-columns: 1fr; gap: 1.5rem; }
  .calques { min-height: 0; }
  .calques-texte { padding: 4.5rem 1rem; }
  .calques h2 { font-size: clamp(3.8rem,15vw,5.4rem); }
  .calques-boutons { grid-template-columns: 1fr; }
  .calques-boutons button { min-height: 70px; grid-template-columns: 30px 1fr; align-items: center; }
  .calques-visuel { min-height: 440px; }
  .calques-visuel figcaption { flex-direction: column; gap: .2rem; }
  .prestations > header, .projets > header, .matiere-intro, .dossier, .studio, .finale, .page-haute, .page-intro, .page-diptyque { grid-template-columns: 1fr; }
  .prestations > header { gap: 1rem; }
  .prestations h2, .projets h2, .methode h2, .dossier h2, .studio h2, .finale h2, .page-haute h1 { font-size: clamp(3.4rem,14vw,5.2rem); }
  .liste-prestations a { grid-template-columns: 40px 1fr 25px; gap: .7rem; }
  .liste-prestations strong { grid-column: 2; text-align: left; }
  .liste-prestations i { grid-column: 3; grid-row: 1/3; }
  .mosaique-projets { grid-template-columns: 1fr; grid-auto-rows: 330px; }
  .mosaique-projets figure, .mosaique-projets figure.haut, .mosaique-projets figure.grand, .mosaique-projets figure.large { grid-column: auto; grid-row: auto; }
  .ruban-matieres { animation-duration: 36s; }
  .ruban-matieres figure { width: 78vw; }
  .methode li { grid-template-columns: 62px 1fr; gap: 1rem; }
  .methode small { grid-column: 2; }
  .dossier { min-height: 0; }
  .dossier figure { min-height: 460px; }
  .dossier > div { padding: 4.5rem 1rem; }
  .avis { min-height: 760px; padding: 4.5rem 1rem; grid-template-columns: 1fr; gap: 2rem; }
  .avis figure { width: 84vw; right: -25vw; top: 5%; }
  .avis blockquote { font-size: clamp(3rem,13vw,5rem); }
  .studio { padding-inline: 1rem; grid-template-columns: 1fr; gap: 2.5rem; }
  .studio aside { position: relative; right: auto; bottom: auto; width: 100%; }
  .finale { min-height: 0; }
  .finale > img { height: 420px; }
  .finale > div { padding: 4.5rem 1rem; }
  .pied { padding: 4rem 1rem 2rem; grid-template-columns: 1fr; gap: 2rem; }
  .mention { grid-column: 1; }
  .appel-mobile { position: fixed; z-index: 120; left: 0; right: 0; bottom: 0; min-height: 58px; display: flex; align-items: center; justify-content: center; background: var(--accent); color: var(--blanc); font-weight: 700; animation: appelPulse 2.8s ease-in-out infinite; }
  .page-interieure .entete { position: relative; }
  .page-interieure .entete { padding-block: .8rem; grid-template-columns: 1fr; }
  .page-interieure .navigation { grid-column: 1/-1; display: flex; width: 100%; overflow-x: auto; gap: 1rem; border-top: 1px solid var(--ligne); }
  .page-interieure .navigation a { flex: 0 0 auto; white-space: nowrap; }
  .page-haute { min-height: 460px; padding: 4.5rem 1rem; gap: 1.5rem; }
  .page-haute-image { min-height: 560px; }
  .page-contenu { padding: 4.5rem 1rem; }
  .page-intro { gap: 1.4rem; }
  .page-grille, .page-tarifs { grid-template-columns: 1fr; }
  .page-diptyque > img { height: 420px; }
  .page-diptyque > div { padding: 4.5rem 1rem; }
  .page-liste li { grid-template-columns: 38px 1fr; }
  .page-liste small { grid-column: 2; }
  .page-formulaire { grid-template-columns: 1fr; }
  .page-formulaire label.large, .page-formulaire .bouton { grid-column: 1; }
  .projet-demo { grid-template-columns: 1fr; }
  .projet-demo aside { grid-template-columns: repeat(2,1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .rv { opacity: 1; transform: none; }
}