@font-face{font-family:Manrope;src:url('./manrope.woff2') format('woff2');font-weight:200 800;font-style:normal;font-display:swap}:root{--blue:#172fc5;--ink:#191b20;--paper:#f5f5f2;--gray:#e9e9e7;--line:#d6d6d2;--radius:22px;--max-width:1360px;--space:clamp(24px,5vw,88px)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:100px}body{font-family:Manrope,Arial,sans-serif;background:var(--paper);color:var(--ink);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}img,svg{max-width:100%;display:block}button{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #5672ff;outline-offset:5px}::selection{background:var(--blue);color:#fff}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:var(--ink);color:#fff;padding:15px}.skip:focus{top:15px}.header{height:104px;padding:0 var(--space);display:flex;align-items:center;justify-content:space-between;background:#fdfdfb;position:relative;z-index:20;border-bottom:1px solid #e1e1dc}.brand{flex-shrink:0}.logo{width:160px;height:auto}.desktop-nav{display:flex;align-items:center;gap:40px;font-weight:650;font-size:16px}.desktop-nav>a:not(.button):hover{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:white;border:1px solid var(--blue);padding:17px 28px;border-radius:999px;min-height:56px;font-size:16px;font-weight:700;line-height:1.3;transition:background .2s,transform .2s;text-align:center}.button:hover{background:#102297;transform:translateY(-2px)}.button-small{padding:14px 23px;min-height:50px}.button-light{background:white;color:var(--blue);border-color:white}.button-light:hover{background:#e9ecff}.menu-toggle{display:none;background:none;border:0;align-items:center;gap:16px;min-height:48px;font-weight:650}.menu-toggle span{width:25px;display:grid;gap:6px}.menu-toggle i{height:2px;width:25px;background:var(--ink);display:block}.mobile-nav{display:none}.section{padding:105px var(--space);max-width:var(--max-width);margin:auto}.hero{display:grid;grid-template-columns:1fr 1fr;max-width:var(--max-width);margin:auto;padding:62px var(--space) 0;column-gap:2vw}.hero-copy{padding:30px 0 54px;position:relative;z-index:2}.eyebrow{font-size:16px;font-weight:600;margin-bottom:26px}.hero h1{font-size:clamp(60px,6.4vw,106px);letter-spacing:-.072em;line-height:1.035;font-weight:800;white-space:nowrap}.hero h1 span,.contact-page h1 span{color:var(--blue)}.hero-intro{font-size:20px;line-height:1.65;margin:30px 0 31px;letter-spacing:-.02em}.hero-art{position:relative;min-width:0;background:var(--gray);border-radius:var(--radius);overflow:hidden;min-height:520px}.hero-art:before{content:'';position:absolute;background:linear-gradient(140deg,transparent 50%,#dededb 50%);inset:0;opacity:.32}#acoustic-scene{position:absolute;inset:0;width:100%;height:100%;min-height:320px}.scene-fallback{height:100%;display:grid;place-items:center}.scene-fallback .shape{width:80%;height:70%}.hero-baseline{grid-column:1/-1;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);margin-top:44px;padding-bottom:24px;font-size:16px}.section-heading{display:grid;grid-template-columns:1.25fr 1fr;gap:80px;align-items:end;margin-bottom:60px}h2{font-size:clamp(36px,3.5vw,52px);line-height:1.1;letter-spacing:-.05em;font-weight:750}.section-heading>p{max-width:420px;justify-self:end;line-height:1.7}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.service-card{min-width:0;display:flex;flex-direction:column}.service-art{height:265px;border-radius:var(--radius);overflow:hidden;background:#e9e9e7;position:relative;display:grid;place-items:center;transition:background .3s}.service-card:nth-child(2) .service-art{background:#e3e7f5}.service-card:nth-child(3) .service-art{background:#dedfe1}.service-card:hover .service-art{background:#d9def9}.service-card h3{font-size:25px;line-height:1.3;letter-spacing:-.04em;margin:25px 0 12px}.service-card p{font-size:17px;line-height:1.65;margin-bottom:24px;color:#515359}.text-link{font-size:17px;font-weight:650;align-self:start;margin-top:auto;border-bottom:1px solid currentColor;padding-bottom:5px;display:inline-block}.text-link:hover{color:var(--blue)}.shape{position:relative;width:210px;height:150px;transform:rotateX(54deg) rotateZ(-35deg);transform-style:preserve-3d;pointer-events:none}.shape i{position:absolute;display:block;left:calc(var(--i)*14px);width:8px;height:150px;background:linear-gradient(90deg,#0d228e,#2345e4 60%,#6b83ff);border-radius:2px;transform:translateZ(calc(var(--i)*1.5px));box-shadow:7px 7px 0 #0c247b,16px 18px 12px #1116;transition:transform .5s}.shape-building i{height:130px;transform:translateZ(calc(var(--i)*4px));background:linear-gradient(90deg,#103087,#3455e1 45%,#91a4ff)}.shape-waves i{height:calc(80px + 65px*cos(var(--i)*.5));top:calc(25px + 25px*sin(var(--i)*.6));transform:translateZ(calc(22px + 22px*sin(var(--i)*.45)))}.shape-terrain{transform:rotateX(59deg) rotateZ(-35deg)}.shape-terrain i{height:180px;width:9px;transform:translateZ(calc(25px + 32px*sin(var(--i)*.6)));background:linear-gradient(90deg,#142457,#334471 70%,#8490b3);box-shadow:7px 7px 0 #202c4f,18px 23px 13px #1114}.service-card:hover .shape i{transform:translateZ(calc(18px + 25px*sin(var(--i)*.5)))}.approach{background:var(--blue);color:white;border-radius:30px;margin:10px 20px;max-width:none;display:grid;grid-template-columns:1.15fr 1fr;gap:100px;padding-top:88px;padding-bottom:88px}.approach-head h2{font-size:clamp(54px,5.1vw,76px);letter-spacing:-.065em;line-height:1.04}.approach-head h2 span{color:#b8c4ff}.approach-head>p{margin-top:35px;color:#e0e5ff;font-size:18px}.approach-steps{display:flex;flex-direction:column;justify-content:center}.approach-steps article{padding:25px 0;border-bottom:1px solid #ffffff44}.approach-steps article:first-child{border-top:1px solid #ffffff44}.approach-steps h3{font-size:31px;letter-spacing:-.04em;margin-bottom:8px}.approach-steps p{color:#e0e5ff;max-width:390px}.bureau-section{display:grid;grid-template-columns:1.2fr 1fr;gap:10px 80px}.bureau-section>.eyebrow{grid-column:1/-1;margin-bottom:24px}.bureau-copy{max-width:430px;justify-self:end}.bureau-copy p{margin-bottom:25px}.contact-strip{background:var(--blue);color:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:70px;max-width:none;padding-top:70px;padding-bottom:70px}.contact-strip>div{justify-self:end;max-width:430px}.contact-strip p{margin-bottom:28px;color:#e0e5ff}.footer{background:#191b20;color:white;padding:65px var(--space) 25px}.footer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:58px}.footer-top p{color:#d0d0d2}.footer-bottom{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px;font-size:16px;color:#dddde0}.footer-bottom>div{display:flex;flex-direction:column;gap:8px}.footer a:hover{text-decoration:underline}.footer-note{border-top:1px solid #44464b;margin-top:48px;padding-top:22px;display:flex;justify-content:space-between;font-size:14px;color:#bfc0c5;padding-right:65px}.detail-hero{padding-top:55px;padding-bottom:75px}.back-link{display:inline-block;font-size:16px;margin-bottom:50px;border-bottom:1px solid currentColor}.detail-heading{display:grid;grid-template-columns:1.5fr 1fr;gap:70px;align-items:center}.detail-hero h1,.contact-page h1,.legal h1{font-size:clamp(50px,6.5vw,94px);font-weight:750;letter-spacing:-.065em;line-height:1.08;max-width:1000px}.detail-art{background:var(--gray);border-radius:var(--radius);height:320px;display:grid;place-items:center;overflow:hidden}.detail-art .shape{scale:1.25}.lead{font-size:23px;line-height:1.65;max-width:790px;margin-top:44px}.detail-services{padding-top:0}.detail-services article{display:grid;grid-template-columns:1fr 1fr;gap:80px;border-top:1px solid var(--line);padding:40px 0}.detail-services h2{font-size:34px}.detail-services p{max-width:520px}.practical{background:#e7e9f3;border-radius:30px;margin:0 20px;max-width:none}.practical h2{max-width:800px}.practical p{max-width:750px;margin:30px 0}.related h2{font-size:32px;margin-bottom:30px}.related>div{display:grid;grid-template-columns:1fr 1fr;gap:25px}.related a{border-top:1px solid var(--line);font-size:26px;padding:25px 0;font-weight:650}.related a:hover{color:var(--blue)}.bureau-story{display:grid;grid-template-columns:1fr 1fr;gap:90px;background:#e9e9e7;max-width:none}.bureau-story p+p{margin-top:25px}.references>p{margin-top:25px}.reference-list{display:grid;grid-template-columns:1fr 1fr;gap:0 70px;margin-top:40px}.reference-list span{font-size:25px;border-top:1px solid var(--line);padding:25px 0}.contact-page{display:grid;grid-template-columns:1fr 1fr;gap:10vw;padding-top:65px}.contact-page>div>p:not(.eyebrow){max-width:400px;margin-top:30px}.contact-details{display:flex;flex-direction:column;align-items:start;gap:10px;margin-top:40px}.contact-details>a{font-size:23px;font-weight:600;border-bottom:1px solid currentColor}.contact-details address{font-size:18px;font-style:normal;margin-top:20px}.contact-page form{background:#e9e9e7;border-radius:var(--radius);padding:35px;align-self:start}.contact-page form h2{font-size:32px;line-height:1.2;margin-bottom:35px}.contact-page label{display:block;font-size:16px;font-weight:600;margin:23px 0 8px}input,textarea,select{width:100%;border:1px solid #b9bab7;border-radius:10px;background:#fdfdfa;padding:14px 16px;font-size:16px;color:var(--ink)}textarea{resize:vertical;min-height:125px}input::placeholder,textarea::placeholder{color:#66686c}.message-preview{background:#f7f8ff;padding:19px;border-radius:14px;margin:25px 0;border-left:3px solid var(--blue)}.message-preview span{font-size:14px;font-weight:650;color:#515875}.message-preview p{font-size:16px;white-space:pre-line;overflow-wrap:anywhere;margin-top:8px}.contact-page form .button{width:100%}.form-note{font-size:14px;color:#575a61;margin-top:15px;line-height:1.6}.legal{max-width:1000px;min-height:55vh}.legal h1{font-size:clamp(42px,6vw,74px);overflow-wrap:anywhere;margin-bottom:40px}.legal h2{font-size:28px;margin:38px 0 15px}.legal p{margin-bottom:18px}.legal p a{text-decoration:underline}.legal .button{margin-top:20px}.whatsapp{position:fixed;right:22px;bottom:calc(20px + env(safe-area-inset-bottom));height:56px;width:56px;background:#fff;color:var(--blue);border:1px solid #c6c7ce;border-radius:50%;display:grid;place-items:center;z-index:25;box-shadow:0 4px 20px #0002}.whatsapp svg{width:29px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linejoin:round;stroke-linecap:round}.contact-bubble{position:fixed;bottom:calc(90px + env(safe-area-inset-bottom));right:22px;z-index:25;background:white;padding:20px 44px 20px 22px;border-radius:18px;border:1px solid #d4d5db;box-shadow:0 5px 30px #0002;font-size:16px}.contact-bubble>button{position:absolute;right:0;top:0;border:0;background:none;font-size:25px;width:44px;height:44px}.menu-open .whatsapp,.menu-open .contact-bubble,.field-active .whatsapp,.field-active .contact-bubble{display:none}
@media(min-width:1600px){.approach,.contact-strip,.bureau-story{padding-left:max(var(--space),calc((100vw - 1424px)/2));padding-right:max(var(--space),calc((100vw - 1424px)/2))}}
@media(max-width:1100px){.header{height:90px}.desktop-nav{gap:24px}.hero{padding-top:40px;gap:20px}.hero h1{font-size:6.4vw}.hero-art{min-height:450px}.hero-copy{padding-top:24px}.hero-intro{font-size:18px}.section{padding-top:80px;padding-bottom:80px}.section-heading{gap:40px}.service-grid{gap:20px}.service-art{height:220px}.service-card h3{font-size:22px}.approach{gap:50px}.bureau-section{gap:25px 45px}.detail-heading{gap:35px}.contact-page{gap:6vw}.contact-page form{padding:25px}.shape{scale:.9}}
@media(max-width:767px){:root{--space:24px}body{font-size:18px}.header{height:82px}.logo{width:137px}.desktop-nav{display:none}.menu-toggle{display:flex}.mobile-nav{position:fixed;inset:82px 0 0;display:flex;flex-direction:column;padding:18px 24px 45px;background:var(--paper);overflow-y:auto;z-index:30}.mobile-nav>a{font-size:27px;line-height:1.3;font-weight:650;padding:17px 0;border-bottom:1px solid var(--line)}.mobile-nav>a.mobile-service{font-size:18px;font-weight:500;padding:15px 0 15px 16px}.hero{display:flex;flex-direction:column;padding-top:20px;gap:0}.hero-copy{padding:12px 0 30px}.eyebrow{font-size:14px;margin-bottom:22px}.hero h1{font-size:clamp(45px,10.2vw,78px);letter-spacing:-.065em;line-height:1.07}.hero-intro{margin:24px 0;font-size:18px}.hero-art{min-height:335px;width:100%;order:2}.hero-baseline{order:3;margin-top:23px;font-size:14px;padding-bottom:22px;gap:15px}.hero .button{min-height:54px}.section{padding-top:64px;padding-bottom:64px}h2{font-size:39px}.section-heading{grid-template-columns:1fr;gap:23px;margin-bottom:35px}.section-heading>p{max-width:none;justify-self:start}.service-grid{grid-template-columns:1fr;gap:38px}.service-art{height:270px}.shape{scale:1.1}.service-card h3{font-size:27px;margin:20px 0 10px}.service-card p{font-size:18px;margin-bottom:18px}.service-card .text-link{font-size:16px}.approach{grid-template-columns:1fr;margin:0 12px;border-radius:22px;padding:48px 25px;gap:30px}.approach-head h2{font-size:58px}.approach-head>p{margin-top:25px}.approach-steps h3{font-size:28px}.approach-steps article{padding:23px 0}.bureau-section{grid-template-columns:1fr;gap:25px}.bureau-section>.eyebrow{margin-bottom:-5px}.bureau-copy{justify-self:start;max-width:none}.contact-strip{grid-template-columns:1fr;gap:28px}.contact-strip>div{justify-self:start}.footer{padding-top:45px}.footer-top{align-items:start;flex-direction:column;gap:24px;margin-bottom:40px}.footer-top p{font-size:16px}.footer-bottom{grid-template-columns:1fr;gap:26px}.footer-note{flex-direction:column;gap:9px;font-size:13px;padding-bottom:35px}.detail-hero{padding-top:32px}.back-link{margin-bottom:30px}.detail-heading{grid-template-columns:1fr;gap:34px}.detail-hero h1,.contact-page h1{font-size:50px}.detail-art{height:245px}.detail-art .shape{scale:1.2}.lead{font-size:20px;margin-top:30px}.detail-services{padding-top:0;padding-bottom:30px}.detail-services article{grid-template-columns:1fr;gap:20px;padding:30px 0}.detail-services h2{font-size:30px}.practical{margin:0 12px;padding:45px 25px}.practical h2{font-size:34px}.related>div{grid-template-columns:1fr;gap:0}.related a{font-size:24px}.bureau-story{grid-template-columns:1fr;gap:28px}.reference-list{grid-template-columns:1fr}.reference-list span{font-size:22px}.contact-page{grid-template-columns:1fr;gap:45px;padding-top:35px}.contact-page h1{font-size:72px}.contact-page form{padding:25px 20px;margin:0 -8px}.contact-page form h2{font-size:30px}.legal h1{font-size:43px;letter-spacing:-.055em}.whatsapp{width:52px;height:52px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom))}.contact-bubble{right:16px}.button{padding:16px 23px}.contact-strip .button{margin-bottom:10px}}
@media(max-width:359px){:root{--space:20px}.hero h1{font-size:43px}.hero-art{min-height:300px}.hero-baseline{font-size:12px}.hero-intro{font-size:17px}.hero .eyebrow{font-size:13px}.detail-hero h1{font-size:43px}.contact-page h1{font-size:64px}.contact-details>a{font-size:21px}.contact-page form h2{font-size:27px}h2{font-size:35px}.approach-head h2{font-size:44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.service-card:hover .shape i{transform:none}}

/* Desktop opening: one complete viewport, with bounded type and content width. */
:root{--header-height:88px}
.header{height:var(--header-height);padding-inline:max(48px,calc((100vw - 1264px)/2))}
.header .logo{width:144px}
.hero{min-height:calc(100svh - var(--header-height));grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:1fr auto;align-items:center;column-gap:clamp(32px,4vw,64px);row-gap:28px;padding:clamp(32px,5svh,72px) 48px 26px;max-width:1360px}
.hero-copy{padding:0;align-self:center}
.hero h1{font-size:clamp(42px,5.15vw,76px);line-height:1.08;letter-spacing:-.065em}
.hero .eyebrow{margin-bottom:25px}
.hero-intro{font-size:19px;margin:28px 0 30px}
.hero-art{width:100%;aspect-ratio:1.04;min-height:0;max-height:min(640px,calc(100svh - 230px));align-self:center;border-radius:24px}
.hero-art:before{display:none}
.hero-baseline{margin:0;padding:0 0 18px;align-self:end}
.scene-fallback{width:100%;height:100%}.scene-fallback img{width:100%;height:100%;object-fit:contain}
@media(min-width:768px) and (max-height:700px){.hero{padding-top:24px;row-gap:18px;padding-bottom:18px}.hero-art{max-height:calc(100svh - 210px)}.hero h1{font-size:clamp(42px,4.8vw,66px)}.hero .eyebrow{margin-bottom:20px}.hero-intro{margin:22px 0 24px}}
@media(min-width:768px) and (max-width:1050px){.hero{padding-inline:32px;column-gap:26px}.hero-intro{font-size:18px}.header{padding-inline:32px}.header .logo{width:128px}.desktop-nav{gap:22px}}
@media(max-width:767px){:root{--header-height:82px}.header{padding-inline:24px}.header .logo{width:137px}.hero{min-height:calc(100svh - var(--header-height));padding:28px 24px 24px;display:flex;gap:0}.hero-copy{align-self:stretch;padding:0 0 25px}.hero h1{font-size:clamp(42px,10.2vw,62px)}.hero .eyebrow{margin-bottom:22px}.hero-intro{font-size:18px;margin:22px 0 25px}.hero-art{min-height:0;aspect-ratio:1.16;width:100%;flex:none}.hero-baseline{margin-top:22px;width:100%;padding-bottom:18px}.hero .button{min-height:54px}}
@media(max-width:359px){.header{padding-inline:20px}.hero{padding-inline:20px}.hero h1{font-size:39px}.hero-intro{font-size:17px}}

/* Shared acoustic compositions and photographic editorial rhythm. */
.service-art>img{width:100%;height:100%;object-fit:contain;transition:transform .5s}
.service-card:hover .service-art>img{transform:scale(1.035)}
.detail-art{position:relative;height:360px}.detail-art #acoustic-scene{min-height:0}
.detail-heading{grid-template-columns:1.3fr 1fr;gap:54px}
.detail-hero h1{font-size:clamp(46px,5vw,74px)}
.landscape{padding-bottom:35px}.landscape-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:40px;align-items:start}
.editorial-photo{display:block;width:100%;object-fit:cover;border-radius:22px}
.valley-photo .editorial-photo{height:480px;object-position:50% 65%}.valley-photo figcaption{font-size:14px;color:#575a61;margin-top:14px}
.landscape-aside .editorial-photo{height:220px;object-position:50% 20%;margin-bottom:24px}.landscape-aside h3{font-size:28px;line-height:1.2;letter-spacing:-.04em;margin-bottom:17px}.landscape-aside p{margin-bottom:24px;font-size:17px}.landscape-aside .text-link{font-size:16px}
.context-section{padding-top:5px;display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;padding-bottom:90px}.context-section .editorial-photo{height:450px;object-position:50% 65%}.context-section h2{font-size:clamp(34px,3.4vw,46px);margin-bottom:25px}.context-section p+p{margin-top:20px}.context-section .eyebrow{margin-bottom:20px}
.context-road .editorial-photo{height:530px;object-position:50% 70%}
.room-notes{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:10px;padding-bottom:90px}.room-notes h2{font-size:46px}.room-examples article{padding:0 0 23px;margin-bottom:23px;border-bottom:1px solid var(--line)}.room-examples h3{font-size:24px;letter-spacing:-.035em;margin-bottom:10px}
@media(max-width:1100px){.landscape-grid{gap:28px}.context-section{gap:35px}.valley-photo .editorial-photo{height:440px}}
@media(max-width:767px){.detail-heading{grid-template-columns:1fr;gap:30px}.detail-art{height:300px}.detail-hero h1{font-size:48px}.landscape-grid,.context-section,.room-notes{grid-template-columns:1fr;gap:30px}.landscape{padding-top:64px;padding-bottom:0}.valley-photo .editorial-photo{height:270px}.landscape-aside .editorial-photo{height:250px}.landscape-aside h3{font-size:28px}.context-section{padding-top:0;padding-bottom:60px}.context-section .editorial-photo{height:300px}.context-road .editorial-photo{height:390px}.context-section h2,.room-notes h2{font-size:36px}.room-notes{padding-top:0;padding-bottom:45px}.landscape-aside p{font-size:18px}}
@media(max-width:359px){.detail-hero h1{font-size:42px}.detail-art{height:270px}.context-section h2,.room-notes h2{font-size:32px}}

#acoustic-scene{min-height:0}
.scene-fallback img{position:absolute;inset:0;min-width:0;min-height:0}
/* Composition acoustique en volume, liens accessibles autour de la scène. */
.orbital-hero{position:relative;height:calc(100svh - var(--header-height));min-height:650px;overflow:hidden;color:var(--ink);background:radial-gradient(ellipse at 50% 48%,#e3e7f5 0%,var(--paper) 58%)}
.orbital-heading{position:absolute;inset:35px 24px auto;text-align:center;z-index:3;pointer-events:none}
.orbital-heading p{font-size:15px;color:#626675;letter-spacing:.04em;margin-bottom:16px}
.orbital-heading h1{font-size:clamp(32px,3.4vw,48px);font-weight:500;letter-spacing:-.05em;line-height:1.2}
.orbital-heading h1 span{color:var(--blue)}
.orbital-stage{position:absolute;inset:90px 0 35px;max-width:1360px;width:100%;margin:auto}
#speaker-scene{position:absolute;inset:0;max-width:900px;width:68%;margin:auto;cursor:grab;touch-action:pan-y;outline-offset:-12px;border-radius:24px;z-index:1}
#speaker-scene.is-dragging{cursor:grabbing}
#speaker-scene canvas,.speaker-poster{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain}
#speaker-scene canvas{opacity:0;transition:opacity .45s ease}#speaker-scene[data-ready=true] canvas{opacity:1}#speaker-scene[data-ready=true] .speaker-poster{opacity:0}
.orbital-nav{position:absolute;inset:0;z-index:2;pointer-events:none;--orbit-x:0px;--orbit-y:0px}
.orbit-link{position:absolute;display:flex;align-items:center;gap:18px;pointer-events:auto;color:var(--blue);background:#f5f5f2e6;border:1px solid var(--blue);border-radius:16px;font-size:19px;font-weight:500;line-height:1.4;letter-spacing:-.025em;padding:12px 20px;min-height:48px;transition:color .2s,background-color .2s;transform:translate(var(--orbit-x),var(--orbit-y))}
.orbit-link:focus-visible{background:var(--blue);color:#fff}
@media(hover:hover){.orbit-link:hover{background:var(--blue);color:#fff}}
.orbit-building{left:8%;top:21%}.orbit-rooms{right:7%;top:17%}
.orbit-environment{left:6%;top:57%}.orbit-office{right:8%;top:49%}.orbit-contact{right:20%;top:75%;font-size:18px}
.orbital-bottom{position:absolute;inset:auto 48px 24px;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#626675;font-size:12px}
.orbital-bottom a{position:absolute;left:50%;transform:translateX(-50%);color:var(--blue);font-size:14px;padding:10px;display:flex;gap:18px;align-items:center}.orbital-bottom a span{font-size:21px}
@media(min-width:768px) and (max-height:760px){.orbital-hero{min-height:calc(100svh - var(--header-height))}.orbital-heading{top:24px}.orbital-heading p{margin-bottom:10px}.orbital-stage{top:94px;bottom:46px}.orbital-bottom{bottom:8px}}
@media(max-width:1000px) and (min-width:768px){.orbit-link{font-size:16px;gap:10px}.orbit-building{left:6%}.orbit-environment{left:4%}.orbit-rooms{right:5%}.orbit-office{right:7%}}
@media(max-width:767px){
  .orbital-hero{height:calc(100svh - 82px);min-height:712px;background:radial-gradient(ellipse at 50% 35%,#e3e7f5,var(--paper) 62%)}
  .home-page.hero-visible>.whatsapp,.home-page.hero-visible>.contact-bubble{display:none}
  .orbital-heading{top:25px;inset-inline:20px}
  .orbital-heading p{font-size:13px;margin-bottom:12px;letter-spacing:0}
  .orbital-heading h1{font-size:clamp(32px,8.7vw,39px);max-width:370px;margin:auto;line-height:1.12;font-weight:550}
  .orbital-heading h1 span{display:block}
  .orbital-stage{top:98px;bottom:257px}
  #speaker-scene{width:100%;max-width:none;inset:0}
  #speaker-scene canvas,.speaker-poster{transform:none}
  .orbital-nav{inset:auto 24px -230px;width:auto;height:210px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);grid-template-rows:1fr 1fr 54px;gap:10px 12px;transform:none}
  .orbit-link{position:static;transform:none;min-height:54px;font-size:17px;line-height:1.25;padding:10px 12px;gap:0;align-items:center;letter-spacing:-.025em}
  .orbit-link br{display:none}.orbit-link br:after{content:' '}
  .orbit-contact{grid-column:1/-1;justify-content:space-between;font-size:17px}
  .orbit-contact:after{content:'↗';font-size:22px}
  .orbital-bottom{inset:auto 24px 9px;min-height:47px}
  .orbital-bottom>p{font-size:11px;max-width:92px;line-height:1.35}
  .orbital-bottom a{font-size:13px;gap:9px;white-space:nowrap;bottom:0}
}
@media(max-width:359px){.orbital-nav{inset-inline:16px;gap:10px 8px}.orbit-link{padding-inline:8px;font-size:16px}}
@media(prefers-reduced-motion:reduce){.orbit-link{transform:none!important}#speaker-scene canvas{transition:none}}

/* Illustrations acoustiques et lucane interactif. */
.lucane-walker{position:relative;width:100%;height:120px;background:var(--bg,#f5f5f2);z-index:3}
.lucane-beetle{position:absolute;left:14%;top:16px;width:106px;height:76px;padding:5px;border:0;background:transparent;color:#172fc5;cursor:pointer;animation:lucane-stroll 24s ease-in-out infinite alternate;touch-action:manipulation}
.lucane-beetle img{width:100%;height:100%;object-fit:contain}
.beetle-legs{transform-origin:50% 65%;animation:lucane-steps .35s ease-in-out infinite alternate}
.lucane-definition{position:absolute;bottom:112px;left:clamp(16px,10vw,160px);width:min(350px,calc(100vw - 32px));padding:24px;background:#172fc5;color:white;border-radius:16px;box-shadow:0 12px 40px #172fc530;visibility:hidden;opacity:0;transition:opacity .15s;font-size:18px;line-height:1.5}
.lucane-definition strong{font-size:21px}.lucane-definition p{margin-top:12px}
.lucane-walker:has(.lucane-beetle:hover) .lucane-definition,.lucane-walker:has(.lucane-beetle:focus-visible) .lucane-definition,.lucane-walker:has([aria-expanded="true"]) .lucane-definition{visibility:visible;opacity:1}
.lucane-walker:has(.lucane-beetle:hover) .lucane-beetle,.lucane-walker:has(.lucane-beetle:focus-visible) .lucane-beetle,.lucane-walker:has([aria-expanded="true"]) .lucane-beetle{animation-play-state:paused}
@keyframes lucane-stroll{to{left:calc(100% - 130px)}}
@keyframes lucane-steps{to{transform:rotate(5deg)}}
@media(max-width:767px){.lucane-beetle{width:96px;height:70px}.lucane-definition{font-size:17px}.orbit-environment{max-width:100%}}
@media(prefers-reduced-motion:reduce){.lucane-beetle,.beetle-legs{animation:none}}
@media(max-width:767px){.lucane-definition{left:16px;width:calc(100% - 32px)}}

/* Une même marge de contenu pour les titres de toutes les sections. */
.section{padding-inline:max(var(--space),calc((100% - var(--max-width))/2 + var(--space)));max-width:none}
.legal{max-width:none}
.legal> *{max-width:824px}
.detail-hero h1,.section h2,.section h3{text-align:left}


/* Contact : panneau acoustique et courbes réunis dans le pied de page. */
.footer{background:#1226a4;color:#fff;padding:90px max(var(--space),calc((100% - var(--max-width))/2 + var(--space))) 28px;overflow:hidden;position:relative}
.footer-top{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.footer-contact{position:relative;z-index:1}
.footer-contact h2{font-size:clamp(58px,6vw,88px);line-height:1.02;letter-spacing:-.065em;font-weight:750;text-align:left}
.footer-contact-links{display:flex;flex-direction:column;align-items:start;gap:4px;margin-top:30px}
.footer-contact-links a{font-size:clamp(21px,2.2vw,30px);font-weight:500;letter-spacing:-.035em;min-height:44px}
.footer-contact-page{display:inline-flex;align-items:center;justify-content:center;margin-top:24px;min-height:52px;border:1px solid #ffffff75;border-radius:100px;padding:10px 24px;font-size:17px;font-weight:600;transition:background .2s}
.footer-contact-page:hover{background:#ffffff18}
.footer-acoustic-art{position:relative;height:390px;isolation:isolate;min-width:0}
.footer-panel{position:absolute;inset:0 0 25px 14%;border-radius:24px;background:radial-gradient(circle at 50% 50%,#0a1549 0 2.7px,#a9b0bd 3px,#edece7 4px,transparent 4.8px) 0 0/21px 21px,linear-gradient(115deg,#faf9f2,#cbd0d6);transform:perspective(900px) rotateY(-17deg) rotateZ(9deg);box-shadow:8px 8px 0 #a8adb9,24px 36px 50px #050e5b80}
.footer-graph{position:absolute;left:-5%;right:13%;bottom:-12px;border:1px solid #ffffff65;border-radius:20px;padding:22px;background:#182d8ff5;box-shadow:0 20px 45px #060e623b;transform:rotate(-5deg)}
.footer-graph svg{width:100%;height:auto}.footer-grid{stroke:#ffffff16;stroke-width:1}.footer-wave{stroke:#9eaffe;stroke-width:1.5;opacity:.55}.footer-response{stroke:#fff;stroke-width:3.5;stroke-linecap:round}
.footer-bottom{border-top:1px solid #ffffff38;padding-top:35px;grid-template-columns:1.2fr 1fr auto;align-items:start;color:#eef0ff;font-size:16px}
.footer-signature .logo{width:125px}.footer-signature p{font-size:16px;max-width:250px;color:#eef0ff;margin-top:12px}
.footer-note{border-color:#ffffff38;color:#d5ddff;margin-top:35px}
@media(max-width:767px){.footer{padding-top:58px}.footer-top{grid-template-columns:1fr;gap:55px;margin-bottom:55px}.footer-contact h2{font-size:64px}.footer-contact-links{margin-top:26px}.footer-contact-links a{font-size:24px}.footer-acoustic-art{height:280px;width:100%;max-width:430px;justify-self:center}.footer-panel{inset:0 4% 18px 18%;border-radius:18px;background-size:18px 18px,auto}.footer-graph{left:1%;right:12%;bottom:-2px;padding:16px;border-radius:16px}.footer-bottom{grid-template-columns:1fr;gap:28px}.footer-signature{order:-1}.footer-note{padding-right:55px}}
@media(max-width:359px){.footer-contact h2{font-size:58px}.footer-contact-links a{font-size:21px}.footer-acoustic-art{height:240px}}

/* Références visuelles transmises par Florence le 20 octobre. */
.footer-panel{inset:6% -2% 10% 10%;background:#20252a url('./panneau-perfore-florence.webp') center/cover no-repeat;transform:perspective(900px) rotateY(-13deg) rotateZ(8deg);box-shadow:7px 8px 0 #4c535d,24px 36px 50px #050e5b80;border:1px solid #ffffff40}
.footer-graph{left:-6%;right:15%;bottom:-12px;background:#f6f6f2f5;color:#26325c;border-color:#ffffff95;transform:perspective(950px) rotateY(15deg) rotateZ(-6deg);padding:20px;box-shadow:0 24px 50px #060e6260}
.footer-grid{stroke:#172fc529;stroke-width:1;stroke-dasharray:3 4}.footer-reference{stroke:#68748a;stroke-width:2;stroke-dasharray:5 4}.footer-axis{stroke:#26325c;stroke-width:1.5}.footer-response{stroke:#172fc5;stroke-width:3.5}.footer-axis-labels{font:16px Manrope,Arial,sans-serif}
@media(max-width:767px){.footer-panel{inset:0 0 20px 12%;background-size:cover}.footer-graph{left:0;right:13%;padding:12px;bottom:-6px}.footer-acoustic-art{height:300px}}

.lucane-study h1{font-size:clamp(38px,5vw,72px);line-height:1.1;letter-spacing:-.055em;text-align:left}.lucane-study>p{max-width:720px;margin-top:24px;font-size:20px}.lucane-study .study-note{font-size:17px;color:#515359;margin-top:24px}#lucane-model{position:relative;height:580px;margin:35px 0;background:#e9e9e7;border-radius:24px;overflow:hidden;touch-action:pan-y;cursor:grab}#lucane-model:active{cursor:grabbing}#lucane-model canvas{position:absolute;inset:0;width:100%;height:100%}.lucane-model-poster{width:100%;height:100%;object-fit:contain}#lucane-model[data-ready] .lucane-model-poster{visibility:hidden}.lucane-model-error{display:none;position:absolute;bottom:20px;left:24px;right:24px;font-size:16px}#lucane-model[data-failed] .lucane-model-error{display:block}@media(max-width:767px){#lucane-model{height:420px;margin-top:28px}.lucane-study>p{font-size:18px}}

body:has(.lucane-study) .contact-bubble{display:none}

.contact-page{display:block}.contact-page>div{max-width:760px}