:root{
  --navy:#071D31;--blue:#0B3A66;--orange:#F59E0B;--ink:#142433;--muted:#687786;
  --line:#E5EBF0;--paper:#F6F8FA;--white:#fff;--radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"DM Sans",sans-serif;color:var(--ink);background:#fff;line-height:1.65}
body,button,input,textarea,select{font-family:"DM Sans",sans-serif}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 42px));margin:auto}
.topline{background:var(--navy);color:#AEBECC;font-size:10px;letter-spacing:.1em;text-transform:uppercase}
.top-inner{height:32px;display:flex;justify-content:space-between;align-items:center}
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(7,29,49,.08)}
.nav{height:86px;display:flex;align-items:center;justify-content:space-between}
.logo-link img{width:164px;display:block}
.nav-menu{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:700;color:#344654}
.nav-menu a:not(.nav-button):hover{color:var(--orange)}
.nav-button{background:var(--navy);color:#fff!important;border-radius:999px;padding:13px 18px}
.nav-button b,.button b{font-size:18px}
.menu-btn{display:none;background:none;border:0;padding:8px}
.menu-btn i{display:block;width:26px;height:2px;background:var(--navy);margin:6px}

.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;min-height:720px;display:flex;align-items:center}
.hero-noise{position:absolute;inset:0;opacity:.12;background-image:radial-gradient(#fff .7px,transparent .7px);background-size:17px 17px}
.hero:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(245,158,11,.17);border-radius:50%;right:-180px;top:-200px}
.hero:after{content:"";position:absolute;width:400px;height:400px;border:1px solid rgba(255,255,255,.08);border-radius:50%;left:-240px;bottom:-260px}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.03fr .97fr;gap:80px;align-items:center;padding:95px 0 110px}
.kicker,.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--orange)}
.kicker{display:flex;align-items:center;gap:12px}.kicker span{width:35px;height:2px;background:var(--orange)}
h1,h2,h3{font-family:"Manrope",sans-serif;line-height:1.05;margin:0}
h1{font-size:clamp(52px,6.3vw,84px);letter-spacing:-.055em;margin:22px 0}
h1 em,h2 em{font-style:normal;color:var(--orange)}
.hero-text{max-width:620px;color:#C5D1DB;font-size:18px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:34px 0}
.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;border:1px solid transparent;border-radius:999px;padding:15px 22px;font-weight:800;cursor:pointer}
.button.primary{background:#fff;color:var(--navy)}
.button.primary:hover{transform:translateY(-2px)}
.button.ghost{border-color:rgba(255,255,255,.22);color:#fff}
.button.orange{background:var(--orange);color:var(--navy)}
.micro-proof{display:flex;align-items:center;gap:22px;margin-top:35px}
.micro-proof div{display:flex;flex-direction:column}.micro-proof strong{font-size:16px}.micro-proof span{font-size:11px;color:#93A5B4;text-transform:uppercase;letter-spacing:.08em}
.proof-line{height:38px;width:1px;background:rgba(255,255,255,.18)}
.hero-visual{display:flex;justify-content:flex-end}
.visual-frame{width:min(510px,100%);aspect-ratio:1/1.04;border:1px solid rgba(255,255,255,.16);border-radius:34px;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.025));position:relative;overflow:hidden;box-shadow:0 35px 80px rgba(0,0,0,.24)}
.visual-frame:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(245,158,11,.12);filter:blur(20px);left:50%;top:45%;transform:translate(-50%,-50%)}
.visual-top,.visual-bottom{position:absolute;left:25px;right:25px;display:flex;justify-content:space-between;color:#8194A5;font-size:9px;letter-spacing:.13em;font-weight:800}.visual-top{top:22px}.visual-bottom{bottom:22px;color:#fff}
.visual-center{position:absolute;inset:70px 35px 60px;display:grid;place-items:center}
.hero-logo{width:82%;max-width:390px;background:#fff;padding:18px;border-radius:20px;box-shadow:0 30px 55px rgba(0,0,0,.25);position:relative;z-index:2}
.halo{position:absolute;width:70%;aspect-ratio:1;border-radius:50%;border:1px solid rgba(245,158,11,.35)}
.stamp{position:absolute;right:0;bottom:15%;z-index:3;border:1px solid rgba(245,158,11,.6);color:var(--orange);border-radius:50%;width:88px;height:88px;display:grid;place-items:center;text-align:center;font-size:9px;font-weight:800;line-height:1.15;rotate:10deg}.stamp small{font-size:7px}
.scroll-cue{position:absolute;bottom:25px;left:50%;transform:translateX(-50%);z-index:3;color:#7F94A5;font-size:9px;letter-spacing:.2em}.scroll-cue span{color:var(--orange);font-size:15px;margin-left:8px}

.marquee{overflow:hidden;border-bottom:1px solid var(--line);background:#fff}
.marquee-track{white-space:nowrap;display:flex;align-items:center;gap:28px;width:max-content;padding:16px 0;animation:marquee 28s linear infinite;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--navy)}
.marquee-track i{font-style:normal;color:var(--orange)}
@keyframes marquee{to{transform:translateX(-50%)}}

.section{padding:118px 0}
.section-intro{display:grid;grid-template-columns:1fr .7fr;gap:90px;align-items:end;margin-bottom:52px}
.eyebrow{display:inline-block;margin-bottom:17px}
.section-intro h2,.zone-copy h2,.contact-copy h2{font-size:clamp(38px,4.5vw,60px);letter-spacing:-.05em;color:var(--navy)}
.section-intro>p{color:var(--muted);font-size:16px;margin:0}
.service-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{min-height:410px;border:1px solid var(--line);border-radius:var(--radius);padding:31px;display:flex;flex-direction:column;justify-content:space-between;background:#fff;transition:.3s;box-shadow:0 10px 30px rgba(7,29,49,.03)}
.service-card:hover{transform:translateY(-8px);box-shadow:0 25px 55px rgba(7,29,49,.11)}
.service-card.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.service-card.dark h3,.service-card.dark p,.service-card.dark a{color:#fff}
.card-head{display:flex;justify-content:space-between;align-items:start;color:#9AA8B4;font-size:12px;font-weight:800}
.service-icon{width:56px;height:56px;border-radius:16px;background:#FFF3D8;color:var(--orange);display:grid;place-items:center;font-size:27px}
.service-card h3{font-size:28px;margin:25px 0 12px;color:var(--navy)}.service-card p{color:var(--muted);font-size:14px;max-width:330px}.service-card a{font-size:13px;font-weight:800;color:var(--navy)}

.dark-panel{background:var(--navy);color:#fff;padding:115px 0}
.method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:110px;align-items:start}
.light{color:#fff}.method-copy h2{font-size:clamp(42px,4.5vw,64px);letter-spacing:-.05em;margin:0 0 22px}.method-copy p{color:#AFC0CE;max-width:490px}.text-link{display:inline-flex;gap:12px;color:#fff;font-weight:800;margin-top:20px;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:7px}
.steps{border-top:1px solid rgba(255,255,255,.16)}
.step{display:grid;grid-template-columns:60px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.step>span{color:var(--orange);font-size:11px;font-weight:800;padding-top:5px}.step h3{font-size:20px;color:#fff;margin-bottom:7px}.step p{margin:0;color:#9EB0BE;font-size:13px}

.engagements{background:var(--paper)}
.engagement-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.engagement{padding:35px 27px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:220px;background:#fff}
.engagement span{display:block;color:var(--orange);font-size:27px;margin-bottom:38px}.engagement h3{font-size:19px;color:var(--navy);margin-bottom:8px}.engagement p{font-size:13px;color:var(--muted);margin:0}

.zone{background:var(--navy-2);color:#fff;padding:120px 0;overflow:hidden}
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
.zone-copy h2{color:#fff}.zone-copy p{color:#AABBC8;max-width:510px;font-size:17px}.zone-copy strong{color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.chips span{border:1px solid rgba(255,255,255,.15);color:#C4D0D9;border-radius:999px;padding:8px 12px;font-size:11px}
.radar{height:440px;position:relative;border:1px solid rgba(255,255,255,.12);border-radius:30px;overflow:hidden;background:radial-gradient(circle at center,rgba(245,158,11,.08),transparent 44%)}
.radar-grid{position:absolute;inset:-30%;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:45px 45px;rotate:8deg}
.radar-circle{position:absolute;left:50%;top:50%;translate:-50% -50%;border:1px solid rgba(245,158,11,.25);border-radius:50%}.c1{width:340px;height:340px}.c2{width:240px;height:240px}.c3{width:120px;height:120px}
.radar-center{position:absolute;left:50%;top:50%;translate:-50% -50%;width:75px;height:75px;border-radius:50%;background:var(--orange);color:var(--navy);display:grid;place-items:center;align-content:center;box-shadow:0 0 0 12px rgba(245,158,11,.08)}.radar-center span{font-weight:900;font-size:17px}.radar-center small{font-weight:800;font-size:8px}
.radar-label{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:7px 11px;border-radius:999px;font-size:10px;font-weight:800;letter-spacing:.08em}.l1{left:35px;top:55px}.l2{right:28px;bottom:70px;color:var(--orange)}.l3{right:28px;top:75px}

.testimonial{background:#fff;text-align:center;padding:110px 0}.testimonial-inner{max-width:850px}.quote-mark{font-family:Georgia;font-size:95px;line-height:.5;color:var(--orange)}blockquote{font-family:"Manrope";font-size:clamp(28px,4vw,46px);letter-spacing:-.04em;color:var(--navy);margin:30px 0 18px;line-height:1.15}.testimonial p{color:#82909C;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}

.contact{background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:start}
.contact-copy p{color:var(--muted);max-width:500px;font-size:17px}.contact-note{display:flex;gap:16px;margin-top:35px}.contact-note>span{width:43px;height:43px;background:#FFF3D8;color:var(--orange);border-radius:12px;display:grid;place-items:center;font-weight:900}.contact-note strong{display:block;color:var(--navy);font-size:13px}.contact-note small{display:block;color:#7A8995;font-size:11px;max-width:310px;margin-top:3px}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:26px;padding:34px;box-shadow:0 25px 60px rgba(7,29,49,.07);display:grid;gap:17px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
label{font-size:12px;font-weight:800;color:var(--navy)}input,textarea,select{width:100%;display:block;margin-top:7px;padding:14px;border:1px solid #DCE4EA;background:#FBFCFD;border-radius:12px;outline:0;font:inherit;font-size:14px}input:focus,textarea:focus,select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(245,158,11,.11)}.contact-form .primary{background:var(--navy);color:#fff;width:100%}.form-note{font-size:10px;color:#8B98A3;margin:0}.success{font-size:12px;color:#157347;font-weight:800;margin:0}

.final-cta{background:var(--navy);color:#fff;padding:75px 0}.final-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}.final-inner h2{font-size:clamp(35px,4vw,53px);margin-top:10px}.footer-title{display:block;color:var(--orange);font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:15px}
footer{background:#051524;color:#93A5B4}.footer-top{padding:60px 0;display:grid;grid-template-columns:1.3fr .8fr .9fr .9fr;gap:50px}.footer-logo img{width:150px;background:#fff;border-radius:8px;padding:6px}.footer-logo p{font-size:11px}.footer-top a{display:block;font-size:12px;margin:8px 0}.footer-top a:hover{color:#fff}.footer-top p{font-size:12px;line-height:1.9;margin:0}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;font-size:10px;letter-spacing:.05em}

.reveal{opacity:0;transform:translateY(25px);transition:opacity .8s ease,transform .8s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}

@media(max-width:930px){
  .nav-menu{display:none;position:absolute;top:118px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:stretch;box-shadow:0 20px 40px rgba(0,0,0,.1)}.nav-menu.open{display:flex}.nav-button{text-align:center}.menu-btn{display:block}.hero-grid,.method-grid,.zone-grid,.contact-grid{grid-template-columns:1fr;gap:55px}.hero{min-height:auto}.hero-visual{justify-content:center}.visual-frame{max-width:550px}.section-intro{grid-template-columns:1fr;gap:22px}.service-cards{grid-template-columns:1fr}.engagement-grid{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .container{width:min(100% - 28px,1180px)}.top-inner{font-size:8px}.top-inner span:last-child{display:none}.nav{height:75px}.nav-menu{top:107px}.logo-link img{width:145px}
  .hero-grid{padding:72px 0 85px}.hero h1{font-size:49px}.hero-text{font-size:16px}.micro-proof{gap:12px}.visual-frame{border-radius:24px}.hero-logo{width:85%}
  .section,.testimonial{padding:78px 0}.dark-panel,.zone{padding:82px 0}
  .engagement-grid{grid-template-columns:1fr}.engagement{min-height:180px}.form-row{grid-template-columns:1fr}.contact-form{padding:24px}.final-inner{flex-direction:column;align-items:flex-start}.footer-top{grid-template-columns:1fr;gap:32px}.footer-bottom{flex-direction:column;gap:7px}
}

/* Portfolio Avant / Après */
.portfolio{background:#fff}
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ba-card{border:1px solid var(--line);border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 12px 35px rgba(7,29,49,.05);transition:.3s}
.ba-card:hover{transform:translateY(-7px);box-shadow:0 25px 55px rgba(7,29,49,.12)}
.ba-visual{height:300px;display:grid;grid-template-columns:1fr 1fr;position:relative;overflow:hidden;background:#DCE2E6}
.ba-half{position:relative;overflow:hidden}
.ba-half.before{filter:grayscale(.75);border-right:1px solid rgba(255,255,255,.55)}
.ba-label{position:absolute;z-index:4;top:15px;left:15px;background:rgba(7,29,49,.82);color:#fff;border-radius:999px;padding:6px 9px;font-size:8px;letter-spacing:.14em;font-weight:900}
.after .ba-label{background:var(--orange);color:var(--navy)}
.ba-divider{position:absolute;left:50%;top:50%;translate:-50% -50%;width:43px;height:43px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;z-index:5;box-shadow:0 8px 22px rgba(7,29,49,.22);font-weight:900}
.placeholder-scene{position:absolute;inset:0;background:linear-gradient(160deg,#B5BEC5,#E7EAEC)}
.placeholder-scene .wall{position:absolute;inset:0 0 32% 0;background:linear-gradient(135deg,#C6CCD0,#EFF1F2)}
.placeholder-scene .floor{position:absolute;left:-10%;right:-10%;bottom:-5%;height:39%;background:repeating-linear-gradient(90deg,#9CA7AD 0 55px,#8F9BA2 56px 58px);transform:perspective(250px) rotateX(10deg);transform-origin:bottom}
.placeholder-scene .object{position:absolute;left:22%;bottom:29%;width:56%;height:25%;border-radius:6px;background:#66737B;box-shadow:0 18px 25px rgba(0,0,0,.16)}
.placeholder-scene .object:before{content:"";position:absolute;left:9%;top:14%;width:82%;height:16%;background:rgba(255,255,255,.25);border-radius:3px}
.placeholder-scene .object:after{content:"";position:absolute;left:12%;bottom:-18%;width:76%;height:16px;background:rgba(0,0,0,.18);border-radius:50%}
.placeholder-scene .old{background:#6F7475;opacity:.8}
.placeholder-scene .new{background:linear-gradient(135deg,#173D5C,#315E78);box-shadow:0 20px 30px rgba(7,29,49,.25)}
.scene-2{background:linear-gradient(160deg,#AAA9A4,#E4E1DB)}.scene-2 .object{height:31%;background:#8A8176}.scene-2.improved .object{background:linear-gradient(135deg,#D8B27C,#8E6C45)}
.scene-3{background:linear-gradient(160deg,#AEB6B8,#D7DADB)}.scene-3 .object{bottom:25%;height:31%;width:63%;left:18%;background:#687174}.scene-3.improved .object{background:linear-gradient(135deg,#214C55,#6C9B86)}
.ba-content{padding:23px 24px 25px}.ba-category{font-size:9px;letter-spacing:.14em;font-weight:900;color:var(--orange)}.ba-content h3{font-size:20px;margin:8px 0 7px;color:var(--navy)}.ba-content p{font-size:12px;color:var(--muted);margin:0}
.portfolio-note{margin-top:25px;border:1px dashed #D5DDE3;border-radius:18px;padding:19px 22px;display:flex;gap:14px;align-items:flex-start;background:var(--paper)}.portfolio-note>span{color:var(--orange);font-size:20px}.portfolio-note strong{font-size:13px;color:var(--navy)}.portfolio-note p{margin:4px 0 0;color:var(--muted);font-size:11px}

@media(max-width:930px){.ba-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.ba-grid{grid-template-columns:1fr}.ba-visual{height:270px}}

.direct-contact{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.direct-contact a{display:inline-flex;padding:10px 13px;border-radius:999px;border:1px solid #DCE4EA;font-size:11px;font-weight:800;color:var(--navy);background:#fff}.direct-contact a:hover{border-color:var(--orange);color:var(--orange)}

.real-project{border:1px solid var(--line);border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 18px 50px rgba(7,29,49,.08)}.real-project-visual{display:grid;grid-template-columns:1fr 1fr;height:520px;position:relative;background:#E8ECEF}.real-photo{position:relative;overflow:hidden}.real-photo img{width:100%;height:100%;object-fit:cover;display:block}.real-photo.before-photo{border-right:1px solid rgba(255,255,255,.7)}.real-label{position:absolute;left:20px;top:20px;background:rgba(7,29,49,.88);color:#fff;border-radius:999px;padding:8px 13px;font-size:9px;letter-spacing:.15em;font-weight:900}.after-label{background:var(--orange);color:var(--navy)}.real-divider{position:absolute;left:50%;top:50%;translate:-50% -50%;width:52px;height:52px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;z-index:5;box-shadow:0 10px 30px rgba(7,29,49,.25);font-weight:900;font-size:20px}.real-project-info{padding:28px 31px;display:flex;justify-content:space-between;gap:30px;align-items:center}.real-project-info h3{font-size:27px;color:var(--navy);margin:9px 0 8px}.real-project-info p{font-size:13px;color:var(--muted);max-width:720px;margin:0}.real-badge{width:66px;height:66px;min-width:66px;border:1px solid #DDE5EA;border-radius:50%;display:grid;place-items:center;align-content:center;text-align:center}.real-badge span{font-family:"Manrope";font-size:18px;color:var(--orange);font-weight:800;line-height:1}.real-badge small{font-size:6px;letter-spacing:.08em;color:#7B8A95;font-weight:900;margin-top:4px}@media(max-width:700px){.real-project-visual{height:390px}.real-project-info{padding:22px}.real-project-info h3{font-size:21px}.real-badge{display:none}}