:root{--accent:#1d5f99;--bg:#f4f8fb;--dark:#10243b;--light:#ffffff;--grad:linear-gradient(135deg,#10243b,#1d5f99);--font:Inter, system-ui, sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--dark);background:var(--bg)}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(0,0,0,.08)}.nav-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;font-weight:950;letter-spacing:-.05em}.logo-mark{width:48px;height:48px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:950;box-shadow:0 18px 35px rgba(0,0,0,.18)}.brand small{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6b7280}.menu{display:flex;gap:24px;color:#5b6472;font-weight:750}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 22px;font-weight:900;background:var(--dark);color:white;border:1px solid transparent;box-shadow:0 14px 40px rgba(0,0,0,.14)}.btn.alt{background:transparent;color:var(--dark);border-color:rgba(0,0,0,.18);box-shadow:none}.hero{position:relative;overflow:hidden;padding:94px 0 74px}.hero:before{content:"";position:absolute;inset:-20% -10% auto auto;width:560px;height:560px;background:var(--accent);opacity:.17;border-radius:50%;filter:blur(32px)}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}.eyebrow{display:inline-flex;border:1px solid rgba(0,0,0,.1);background:rgba(255,255,255,.62);border-radius:999px;padding:10px 16px;font-weight:850;color:#5b6472}.hero h1{font-size:clamp(42px,6.5vw,80px);line-height:.95;margin:22px 0;letter-spacing:-.065em}.lead{font-size:19px;line-height:1.72;color:#596273;max-width:720px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.photo-card{position:relative;border-radius:34px;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.18);border:1px solid rgba(0,0,0,.08);background:#ddd}.photo-card img{width:100%;height:560px;object-fit:cover}.photo-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.58));}.photo-label{position:absolute;z-index:2;left:26px;right:26px;bottom:24px;color:#fff}.photo-label strong{font-size:28px;display:block}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}.stat{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:22px;padding:18px}.stat strong{font-size:28px}.stat span{display:block;color:#6b7280;margin-top:4px}section{padding:84px 0}.section-title{max-width:830px;margin-bottom:42px}.kicker{font-weight:950;color:var(--accent);letter-spacing:.18em;text-transform:uppercase;font-size:13px}.section-title h2{font-size:clamp(34px,4.5vw,56px);line-height:1.03;letter-spacing:-.055em;margin:12px 0}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--light);border:1px solid rgba(0,0,0,.08);border-radius:28px;padding:26px;box-shadow:0 12px 34px rgba(0,0,0,.06)}.letter{width:48px;height:48px;border-radius:18px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:950;margin-bottom:20px}.card h3{font-size:20px;margin:0 0 10px}.card p{color:#657083;line-height:1.66;margin:0}.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}.image-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.image-grid img{height:260px;width:100%;object-fit:cover;border-radius:28px;box-shadow:0 18px 45px rgba(0,0,0,.12)}.steps{display:grid;gap:14px}.step{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:24px;padding:20px}.num{width:48px;height:48px;flex:0 0 48px;border-radius:16px;background:color-mix(in srgb,var(--accent) 18%,white);color:var(--accent);display:grid;place-items:center;font-weight:950}.dark{background:var(--dark);color:#fff}.dark .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}.dark .card p,.dark .lead{color:rgba(255,255,255,.68)}.offer{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.offer .card{min-height:250px}.contact-box{background:var(--grad);border-radius:38px;padding:54px;display:grid;grid-template-columns:1fr .85fr;gap:46px;align-items:center;box-shadow:0 25px 70px rgba(0,0,0,.16);color:#fff}.contact-box .lead{color:rgba(255,255,255,.78)}.form{background:#fff;border-radius:28px;padding:28px;display:grid;gap:14px;color:var(--dark)}.form input,.form select,.form textarea{width:100%;border:1px solid rgba(0,0,0,.12);border-radius:18px;padding:16px;font:inherit}.form textarea{min-height:130px;resize:vertical}.footer{padding:30px 0;border-top:1px solid rgba(0,0,0,.08);color:#6b7280}.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.page-hero{padding:70px 0;background:#fff}.page-hero h1{font-size:clamp(40px,6vw,72px);line-height:.95;letter-spacing:-.06em;margin:12px 0}.table{display:grid;gap:12px}.row{display:grid;grid-template-columns:80px 1fr 1.3fr;gap:18px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:22px;padding:20px}.row b{color:var(--accent)}@media(max-width:980px){.menu{display:none}.hero-grid,.split,.contact-box{grid-template-columns:1fr}.grid,.offer,.stats{grid-template-columns:1fr 1fr}.photo-card img{height:420px}}@media(max-width:640px){.grid,.offer,.stats,.image-grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}.nav-inner{height:auto;padding:14px 0;align-items:flex-start}.hero{padding-top:52px}.btn{width:100%}}


/* =========================
   UX DESIGN & MICRO-ANIMATIONS
   ========================= */
:root{--ease:cubic-bezier(.2,.8,.2,1)}
body{opacity:0;animation:pageFade .55s var(--ease) forwards}
@keyframes pageFade{to{opacity:1}}
.nav{transition:box-shadow .35s var(--ease), background .35s var(--ease), transform .35s var(--ease)}
.nav.is-scrolled{box-shadow:0 14px 35px rgba(0,0,0,.08);background:rgba(255,255,255,.9)}
.brand img{transition:transform .35s var(--ease), box-shadow .35s var(--ease)}
.brand:hover img{transform:rotate(-4deg) scale(1.06);box-shadow:0 14px 30px rgba(0,0,0,.16)}
.menu a{position:relative;transition:color .25s var(--ease)}
.menu a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--accent);transition:right .28s var(--ease)}
.menu a:hover:after,.menu a.is-active:after{right:0}
.btn{position:relative;overflow:hidden;transform:translateZ(0);transition:transform .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease)}
.btn:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.22) 45%,transparent 70%);transform:translateX(-120%);transition:transform .55s var(--ease)}
.btn:hover{transform:translateY(-3px);box-shadow:0 20px 46px rgba(0,0,0,.2)}
.btn:hover:before{transform:translateX(120%)}
.card,.stat,.step,.photo-card,.contact-box,.image-grid img,.row{transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease)}
.card:hover,.stat:hover,.step:hover,.row:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(0,0,0,.11);border-color:color-mix(in srgb,var(--accent) 42%,transparent)}
.photo-card:hover{transform:translateY(-8px) rotate(.35deg);box-shadow:0 38px 110px rgba(0,0,0,.22)}
.photo-card img,.image-grid img{transition:transform .8s var(--ease), filter .8s var(--ease)}
.photo-card:hover img{transform:scale(1.045);filter:saturate(1.08) contrast(1.04)}
.image-grid img:hover{transform:scale(1.035) rotate(.4deg)}
.letter,.num{transition:transform .35s var(--ease), filter .35s var(--ease)}
.card:hover .letter,.step:hover .num{transform:scale(1.08) rotate(-4deg);filter:brightness(1.07)}
.reveal{opacity:0;transform:translateY(28px);filter:blur(4px)}
.reveal.is-visible{opacity:1;transform:none;filter:blur(0);transition:opacity .72s var(--ease), transform .72s var(--ease), filter .72s var(--ease)}
.reveal.delay-1{transition-delay:.08s}.reveal.delay-2{transition-delay:.16s}.reveal.delay-3{transition-delay:.24s}.reveal.delay-4{transition-delay:.32s}
.hero .eyebrow{animation:floatIn .7s var(--ease) .1s both}.hero h1{animation:floatIn .8s var(--ease) .18s both}.hero .lead{animation:floatIn .8s var(--ease) .26s both}.hero .actions{animation:floatIn .8s var(--ease) .34s both}.hero .stats{animation:floatIn .8s var(--ease) .42s both}.hero .photo-card{animation:heroCard .9s var(--ease) .22s both}
@keyframes floatIn{from{opacity:0;transform:translateY(22px);filter:blur(5px)}to{opacity:1;transform:none;filter:blur(0)}}
@keyframes heroCard{from{opacity:0;transform:translateY(26px) scale(.96);filter:blur(6px)}to{opacity:1;transform:none;filter:blur(0)}}
.hero:after{content:"";position:absolute;left:6%;bottom:8%;width:120px;height:120px;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:38px;opacity:.22;animation:orb 8s ease-in-out infinite alternate;pointer-events:none}
@keyframes orb{from{transform:translate3d(0,0,0) rotate(0deg)}to{transform:translate3d(28px,-24px,0) rotate(18deg)}}
.progress-bar{position:fixed;left:0;top:0;height:3px;width:0;background:var(--accent);z-index:80;box-shadow:0 0 18px color-mix(in srgb,var(--accent) 70%,transparent)}
.mobile-toggle{display:none;border:1px solid rgba(0,0,0,.1);background:#fff;border-radius:999px;padding:10px 12px;font-weight:900;cursor:pointer}
.toast-ux{position:fixed;right:22px;bottom:22px;z-index:90;max-width:310px;padding:15px 18px;border-radius:20px;background:rgba(17,17,17,.92);color:#fff;box-shadow:0 20px 55px rgba(0,0,0,.22);opacity:0;transform:translateY(16px);pointer-events:none;transition:.35s var(--ease);font-weight:750}.toast-ux.show{opacity:1;transform:none}
@media(max-width:980px){.mobile-toggle{display:inline-flex}.menu{position:absolute;left:20px;right:20px;top:86px;display:grid;gap:4px;padding:16px;border-radius:24px;background:rgba(255,255,255,.96);box-shadow:0 20px 55px rgba(0,0,0,.12);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.28s var(--ease)}.menu.is-open{opacity:1;transform:none;pointer-events:auto}.menu a{padding:12px;border-radius:16px}.menu a:hover{background:rgba(0,0,0,.04)}.nav .btn{display:none}}
@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none;filter:none}}


/* Section Qui sommes-nous */
.about-founder{padding:105px 0;background:linear-gradient(135deg,rgba(255,255,255,.88),rgba(246,240,229,.95));overflow:hidden;position:relative}
.about-founder:before{content:"";position:absolute;right:-120px;top:80px;width:360px;height:360px;border-radius:999px;background:rgba(216,132,59,.18);filter:blur(50px)}
.about-founder-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:center;position:relative;z-index:1}
.founder-photo-wrap{position:relative;border-radius:34px;padding:14px;background:rgba(255,255,255,.58);border:1px solid rgba(0,0,0,.09);box-shadow:0 28px 80px rgba(0,0,0,.16);transform-style:preserve-3d;transition:transform .5s ease,box-shadow .5s ease}
.founder-photo-wrap:hover{transform:translateY(-8px) rotateX(2deg) rotateY(-3deg);box-shadow:0 38px 110px rgba(0,0,0,.22)}
.founder-photo{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:26px;filter:saturate(.92) contrast(1.03)}
.founder-badge{position:absolute;left:30px;right:30px;bottom:30px;border-radius:24px;padding:18px 20px;background:rgba(15,15,15,.82);color:white;backdrop-filter:blur(14px);box-shadow:0 18px 40px rgba(0,0,0,.2)}
.founder-badge strong{display:block;font-size:1.18rem}.founder-badge span{display:block;margin-top:4px;opacity:.78;font-size:.92rem}
.founder-copy p{color:var(--muted);line-height:1.75}.founder-copy .lead{margin-top:18px}.founder-pills{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}.founder-pills span{border:1px solid rgba(0,0,0,.1);background:rgba(255,255,255,.7);padding:10px 13px;border-radius:999px;font-weight:700;font-size:.9rem;transition:transform .25s ease,background .25s ease}.founder-pills span:hover{transform:translateY(-3px);background:white}.magnetic{transition:transform .22s ease,box-shadow .22s ease}.magnetic:hover{transform:translateY(-3px) scale(1.02)}
@media(max-width:880px){.about-founder-grid{grid-template-columns:1fr}.founder-photo-wrap{max-width:520px}.founder-copy h2{font-size:clamp(2rem,8vw,3.2rem)}}