:root{--bordeaux: #6b1224;--bordeaux-sombre: #3a0b14;--bordeaux-profond: #1c070b;--bordeaux-clair: #8e2438;--creme: #f6efe9;--ivoire: #fbf7f4;--or: #c9a36a;--texte: #1c070b;--texte-doux: #5d454a;--ligne: rgba(107, 18, 36, .14);--radius: 18px;--header-h: 84px;--font-titre: "Syne", sans-serif;--font-corps: "Outfit", sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}#a-propos,#expertise,#projets,#valeur,#collaborons,#contact{scroll-margin-top:var(--header-h)}body{margin:0;font-family:var(--font-corps);color:var(--texte);background:var(--ivoire);line-height:1.6}h1,h2,h3{font-family:var(--font-titre);line-height:1.12;letter-spacing:-.03em;margin:0 0 .6em}p{margin:0 0 1em}a{color:inherit;text-decoration:none}img{max-width:100%}button,input,textarea{font:inherit}.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.section{padding:88px 0}.section--tint{background:linear-gradient(180deg,#f3e8e4 0%,var(--ivoire) 100%)}.section__intro{max-width:640px;margin-bottom:40px}.services__bandeau,.approche__photo{display:block;width:100%;height:280px;object-fit:cover;object-position:center;border-radius:var(--radius);margin-bottom:40px;border:1px solid var(--ligne)}.section__intro h2,.about h2,.contact h2,.hero h1{font-size:clamp(1.8rem,4vw,3.35rem)}.eyebrow{display:inline-block;margin-bottom:12px;font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--or)}.eyebrow--dark{color:var(--bordeaux-clair)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-weight:600;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease}.btn:hover{transform:translateY(-1px)}.btn--light{background:var(--creme);color:var(--bordeaux-sombre)}.btn--ghost{border-color:#f6efe959;color:var(--creme)}.btn--ghost:hover{border-color:var(--creme)}.btn--header{background:var(--bordeaux);color:var(--creme);min-height:42px;padding:0 18px}.header{position:sticky;top:0;z-index:20;height:var(--header-h);background:transparent;color:var(--creme);transition:background .2s ease,box-shadow .2s ease}.header--scrolled{background:#1c070beb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 8px 30px #1c070b47}.header__inner{width:min(1120px,calc(100% - 40px));margin-inline:auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{display:flex;align-items:center;gap:10px}.logo__img{height:64px;width:auto;display:block;mix-blend-mode:lighten}.logo__img--foot{height:72px}.logo__word{font-family:var(--font-titre);font-weight:800;font-size:1.15rem;letter-spacing:-.03em;color:var(--creme)}.logo__word span{color:var(--or)}.nav{display:flex;align-items:center;gap:22px;font-weight:500}.nav a:not(.btn){display:inline-flex;align-items:center;gap:8px;opacity:.86}.nav a:not(.btn):hover{opacity:1}.nav .icon{width:18px;height:18px;flex-shrink:0;color:var(--creme)}.btn--header .icon{width:16px;height:16px}.nav-toggle{display:none;width:42px;height:42px;border:0;background:transparent;padding:10px;cursor:pointer}.nav-toggle span{display:block;height:2px;margin:6px 0;background:var(--creme)}.hero{position:relative;margin-top:calc(var(--header-h) * -1);padding:calc(var(--header-h) + 72px) 0 88px;background:radial-gradient(circle at 80% 10%,rgba(142,36,56,.45),transparent 32%),linear-gradient(165deg,var(--bordeaux-profond) 0%,var(--bordeaux-sombre) 55%,#4a0e18 100%);color:var(--creme);overflow:hidden}.hero__glow{position:absolute;width:420px;height:420px;right:-80px;bottom:-120px;border-radius:50%;background:radial-gradient(circle,rgba(201,163,106,.18),transparent 68%);pointer-events:none}.hero__grid{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}.hero h1 span{color:var(--or)}.hero__lead{color:#f6efe9d1;font-size:1.08rem}.hero__mix{display:flow-root}.hero__photo{float:left;width:min(48%,280px);height:230px;margin:4px 22px 10px 0;object-fit:cover;object-position:center;border-radius:var(--radius);border:1px solid rgba(246,239,233,.16);shape-outside:margin-box}.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;clear:both}.hero__panel{background:#f6efe90f;border:1px solid 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.btn{justify-self:start}.steps__title{font-size:1.2rem;margin:0 0 20px}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.steps__item{padding:20px 18px;border-radius:var(--radius);background:#fff;border:1px solid var(--ligne);display:grid;gap:8px;box-shadow:0 10px 30px #3a0b140d}.steps__top{display:flex;align-items:center;justify-content:space-between;gap:8px}.steps__numero{font-family:var(--font-titre);font-weight:800;color:var(--or)}.steps__item span:last-child{color:var(--texte-doux);font-size:.95rem}.quality{margin-top:64px;max-width:720px}.quality h2{font-size:clamp(1.5rem,3vw,2.2rem)}.quality p{color:var(--texte-doux)}.quality__list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.quality__list li{padding:14px 18px;border-radius:14px;background:#fff;border:1px solid var(--ligne);display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}.quality__list p{margin:0}.tags{list-style:none;margin:0 0 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a:not(.btn){width:100%}.btn--header{margin-top:12px;width:fit-content}.footer__inner{flex-direction:column;align-items:flex-start}.footer__meta{text-align:left}.ceo__photo{height:280px}.logo__img{height:52px}.hero__actions{flex-direction:column;align-items:stretch}.hero__photo{float:none;width:100%;height:220px;margin:0 0 16px}.services__bandeau,.approche__photo{height:180px}}