:root{
  --petrol:#0f4c5c;--petrol-2:#0a3b49;--ink:#173847;--sky:#57a7b8;--sky-soft:#dceef2;
  --coral:#f07f63;--coral-soft:#fde2d8;--ivory:#f8f6f2;--sand:#f0ebe3;--mint:#cfe4dc;
  --white:#fff;--muted:#637781;--line:#dce3e3;--max:1200px;--shadow:0 16px 44px rgba(15,76,92,.10)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ivory);color:var(--ink);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.62;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.shell{min-height:100vh}.page{min-width:0}.container{width:min(var(--max),calc(100% - 56px));margin:auto}
/* Header */
.rail{position:sticky;top:0;height:auto;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);color:var(--petrol);display:flex;align-items:center;gap:28px;padding:12px max(28px,calc((100vw - var(--max))/2));z-index:90;border-bottom:1px solid rgba(15,76,92,.12);box-shadow:0 6px 24px rgba(15,76,92,.05)}
.rail-brand{flex:0 0 185px;background:none;padding:0}.rail-brand:after{display:none}.brand-lockup{display:block}.brand-lockup img{width:180px;height:auto}.rail-nav{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:22px;padding:0;flex:1}.rail-nav a{padding:17px 0 14px;color:#365966;font-size:.76rem;text-transform:none;letter-spacing:0;line-height:1.2;border-bottom:2px solid transparent;font-weight:750;white-space:nowrap}.rail-nav a:hover,.rail-nav a.active{color:var(--petrol);border-bottom-color:var(--coral)}.rail-note{margin:0;padding:0;flex:0 0 auto}.rail-note:before{display:none}.rail-cta{display:inline-flex;padding:11px 17px;background:var(--coral);color:#fff;border-radius:999px;font-size:.74rem;font-weight:800;white-space:nowrap;box-shadow:0 8px 20px rgba(240,127,99,.18)}
.mobile-head,.mobile-menu{display:none}
/* Shared type */
.kicker{font-size:.72rem;letter-spacing:.17em;text-transform:uppercase;font-weight:850;color:var(--petrol)}.section{padding:86px 0}.section-white{background:#fff}.section-lav{background:var(--sky-soft)}.section-dark{background:linear-gradient(135deg,var(--petrol-2),var(--petrol));color:#fff}.section-title{font-size:clamp(2.15rem,4vw,4.1rem);line-height:1;letter-spacing:-.045em;margin:0 0 22px;color:var(--petrol)}.section-dark .section-title{color:#fff}.section-intro{font-size:1.08rem;max-width:800px;color:#536b75}.section-dark .section-intro{color:#d8e7eb}
/* Home hero */
.hero{display:grid;grid-template-columns:.92fr 1.08fr;min-height:620px;background:linear-gradient(120deg,#fff 0%,var(--ivory) 48%,#eef7f8 100%);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:320px;height:320px;border-radius:52% 48% 63% 37%;background:rgba(87,167,184,.12);left:-120px;bottom:-140px;transform:rotate(20deg)}.hero-copy{padding:76px 62px 64px max(54px,calc((100vw - var(--max))/2));display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}.hero-copy .kicker{margin-bottom:24px}.hero-copy h1{font-size:clamp(3.2rem,5.5vw,6.1rem);line-height:.92;margin:0 0 24px;max-width:650px;letter-spacing:-.055em;color:var(--petrol)}.hero-copy h1 em{font-style:normal;color:var(--coral)}.hero-copy p{max-width:610px;color:#3f5f6b;font-size:1.08rem}.hero-actions{display:flex;align-items:center;gap:20px;margin:27px 0 8px;flex-wrap:wrap}.text-link{font-weight:800;color:var(--petrol);font-size:.88rem}.hero-tags{margin-top:20px;display:flex;gap:8px;flex-wrap:wrap;max-width:620px}.hero-tags span{padding:8px 12px;border:1px solid #c6dadd;background:rgba(255,255,255,.72);border-radius:999px;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:#52717b}.hero-media{position:relative;min-height:620px;overflow:hidden;background:#dce5e7;border-bottom-left-radius:120px}.hero-media img{width:100%;height:100%;object-fit:cover}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,76,92,.08),transparent 55%,rgba(240,127,99,.14))}.hero-card{position:absolute;right:28px;bottom:34px;background:rgba(255,255,255,.94);color:var(--petrol);padding:20px 22px;width:min(260px,65%);font-weight:850;font-size:1rem;line-height:1.2;text-transform:none;letter-spacing:0;z-index:2;border-left:4px solid var(--coral);box-shadow:var(--shadow);border-radius:14px}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:12px;border:1px solid var(--petrol);padding:12px 17px;font-weight:800;font-size:.78rem;text-transform:none;letter-spacing:.01em;border-radius:999px;transition:.2s}.btn:after{content:"→"}.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px rgba(15,76,92,.12)}.btn-dark{background:var(--petrol);color:#fff;border-color:var(--petrol)}.btn-orange,.btn-coral{background:var(--coral);border-color:var(--coral);color:#fff}
/* Mission block */
.mission-overview{border-bottom:1px solid var(--line);position:relative}.mission-overview:after{content:"";position:absolute;right:8%;top:56px;width:130px;height:170px;background:linear-gradient(145deg,var(--sky-soft),var(--coral-soft));border-radius:70% 30% 60% 40%;opacity:.55;transform:rotate(24deg);pointer-events:none}.mission-lead-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:start;position:relative;z-index:1}.mission-lead-copy{font-size:1.08rem;color:#48636d}.mission-services-kicker{margin:44px 0 16px}.mission-services{position:relative;z-index:1}.mission-services .mini{border-top:3px solid var(--coral)}.official-strip{margin-top:22px;border:1px solid #d7e1e2;display:grid;grid-template-columns:1.4fr .8fr 1fr;background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 12px 30px rgba(15,76,92,.06)}.official-strip>div{padding:20px 22px;border-right:1px solid #dbe4e5}.official-strip>div:last-child{border-right:0}.official-strip strong,.official-strip span,.official-strip a{display:block}.official-strip strong{font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;margin-bottom:5px;color:var(--petrol)}.official-strip span,.official-strip a{font-size:.87rem;color:#506b75}
/* Cards / grids */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mini{border:1px solid var(--line);padding:25px;background:#fff;min-height:165px;border-radius:18px;box-shadow:0 8px 24px rgba(15,76,92,.035)}.mini b{display:block;font-size:1.04rem;margin-bottom:8px;color:var(--petrol)}.mini p{font-size:.88rem;color:var(--muted);margin-bottom:0}.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
/* Home steps */
.steps{display:grid;grid-template-columns:1fr;gap:0;background:#fff}.step{display:grid;grid-template-columns:112px minmax(0,1fr) 1fr;min-height:330px;border-top:1px solid var(--line)}.step:nth-child(even){background:var(--ivory)}.step-num{font-size:5.4rem;font-weight:900;line-height:.8;padding:48px 18px;color:#c3dadd;letter-spacing:-.08em}.step-num:after{content:"";display:block;width:28px;height:4px;background:var(--coral);margin-top:25px;border-radius:4px}.step-copy{padding:48px 40px}.step-copy h2{font-size:2.2rem;line-height:1.02;margin:0 0 16px;color:var(--petrol);letter-spacing:-.035em}.step-copy p{color:#536c76}.step-media{min-height:330px;overflow:hidden;position:relative}.step-media img{width:100%;height:100%;object-fit:cover;transition:.35s}.step:hover .step-media img{transform:scale(1.02)}
/* Territory */
.territory{display:grid;grid-template-columns:1.12fr .88fr;min-height:480px;background:#fff}.territory-media{position:relative;overflow:hidden}.territory-media img{width:100%;height:100%;object-fit:cover}.territory-media:after{content:"À STAINS\A AU PLUS PRÈS\A DES PARCOURS";white-space:pre;position:absolute;left:28px;bottom:28px;background:rgba(15,76,92,.92);color:white;padding:19px 21px;font-weight:850;letter-spacing:.1em;font-size:.72rem;line-height:1.55;border-radius:12px;border-left:4px solid var(--coral)}.territory-copy{padding:58px;background:linear-gradient(145deg,#e6f2f3,#f9f4ee);display:flex;flex-direction:column;justify-content:center}.territory-copy .coords{font-size:2.2rem;line-height:1.05;margin:25px 0 16px;color:var(--sky);font-weight:850}
/* Internal heroes */
.page-hero{padding:82px 0 70px;background:linear-gradient(135deg,#fff 0%,var(--ivory) 55%,#e7f2f4 100%);color:var(--ink);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}.page-hero:before{content:"";position:absolute;right:7%;top:-70px;width:260px;height:260px;border-radius:62% 38% 48% 52%;background:var(--coral-soft);opacity:.7;transform:rotate(22deg)}.page-hero:after{content:"";position:absolute;right:-30px;bottom:-130px;width:250px;height:250px;border-radius:50%;background:rgba(87,167,184,.18)}.page-hero .container{position:relative;z-index:2}.page-hero .index{color:var(--coral);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;font-weight:850}.page-hero h1{font-size:clamp(3rem,6vw,5.7rem);line-height:.94;letter-spacing:-.055em;margin:16px 0 22px;max-width:980px;color:var(--petrol)}.page-hero p{max-width:790px;color:#536d77;font-size:1.08rem}
/* Articles */
.article{background:var(--ivory)}.article-wrap{display:block}.article-wrap>.prose{max-width:980px;margin:0 auto}.prose h2{font-size:2rem;line-height:1.06;margin:48px 0 15px;color:var(--petrol);letter-spacing:-.02em}.prose h3{font-size:1.23rem;margin:30px 0 10px;color:var(--petrol)}.prose p,.prose ul{color:#4a636d}.prose a:not(.btn){color:var(--petrol);text-decoration:underline;text-decoration-color:rgba(240,127,99,.55);text-underline-offset:3px}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:35px 0}.gallery.two{grid-template-columns:repeat(2,1fr)}.gallery figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.gallery img{width:100%;height:220px;object-fit:cover}.gallery figcaption{padding:11px 13px;font-size:.77rem;color:#617680}.callout{background:#e7f2f4;border-left:4px solid var(--coral);padding:23px 25px;margin:30px 0;border-radius:0 16px 16px 0}.callout strong{display:block;margin-bottom:6px;color:var(--petrol)}
/* Forms */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px}.form-card,.contact-card{background:#fff;border:1px solid var(--line);padding:32px;border-radius:22px;box-shadow:0 12px 34px rgba(15,76,92,.05)}.field{margin-bottom:15px}.field label{display:block;font-size:.78rem;font-weight:800;margin-bottom:6px;color:var(--petrol)}.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid #ccdadd;background:#fbfcfb;border-radius:10px;color:var(--ink)}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(87,167,184,.22);border-color:var(--sky)}.field textarea{min-height:150px;resize:vertical}.contact-card{background:linear-gradient(150deg,var(--petrol-2),var(--petrol));color:#fff}.contact-card .kicker,.contact-card .section-title{color:#fff}.contact-card p,.contact-card a{color:#deedf0}.form-status{margin:0 0 18px;padding:13px 15px;border-left:4px solid var(--coral);background:var(--coral-soft);font-size:.9rem;border-radius:0 10px 10px 0}.form-status.error{border-left-color:#a32121;background:#fbeaea;color:#6f1717}.privacy-check{display:flex;gap:9px;align-items:flex-start;font-size:.78rem;line-height:1.45;margin:12px 0 8px}.privacy-check input{width:auto;margin-top:.24rem}.privacy-check a{text-decoration:underline}.form-note{font-size:.76rem;color:var(--muted);margin:8px 0 18px}.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
/* Footer */
.footer{background:var(--petrol-2);color:#d9e8eb;padding:48px 0 22px;border-top:5px solid var(--coral)}.footer-grid{display:grid;grid-template-columns:1.15fr 1fr 1.25fr .9fr;gap:30px}.footer-brand{width:170px;background:#fff;border-radius:12px;padding:8px 10px;margin-bottom:13px}.footer-brand img{width:100%}.footer h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:#fff}.footer a,.footer p{font-size:.8rem;color:#c9dde1}.footer a{display:block;margin:6px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:28px;padding-top:16px;display:flex;justify-content:space-between;gap:20px;font-size:.74rem;color:#91b3bb}.photo-credit{font-size:.7rem;color:#6e828a;margin-top:8px}.credits{font-size:.85rem}.credits a{text-decoration:underline}.seo-hidden{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
@media(max-width:1120px){.rail-nav{gap:14px}.rail-nav a{font-size:.7rem}.rail-brand{flex-basis:165px}.brand-lockup img{width:160px}.rail-note{display:none}}
@media(max-width:900px){.rail{display:none}.mobile-head{display:flex;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);align-items:center;justify-content:space-between;padding:11px 18px;border-bottom:1px solid var(--line);box-shadow:0 6px 20px rgba(15,76,92,.06)}.mobile-brand img{width:142px}.mobile-head button{background:var(--coral);color:#fff;border:0;padding:9px 12px;font-weight:900;border-radius:999px}.mobile-menu{display:none;position:fixed;top:66px;left:0;right:0;background:#fff;padding:15px 20px;z-index:99;box-shadow:0 18px 34px rgba(15,76,92,.12)}.mobile-menu.open{display:grid}.mobile-menu a{color:var(--petrol);padding:11px 0;border-bottom:1px solid var(--line);font-weight:750}.hero{grid-template-columns:1fr}.hero-copy{padding:65px 7vw 54px}.hero-media{min-height:480px;border-bottom-left-radius:0}.step{grid-template-columns:92px 1fr}.step-media{grid-column:1/-1;min-height:340px}.grid-4{grid-template-columns:repeat(2,1fr)}.contact-grid,.territory,.mission-lead-grid{grid-template-columns:1fr}.official-strip{grid-template-columns:1fr}.official-strip>div{border-right:0;border-bottom:1px solid var(--line)}.official-strip>div:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr}.territory-copy{padding:42px}.gallery{grid-template-columns:1fr 1fr}.gallery figure:last-child:nth-child(odd){grid-column:1/-1}}
@media(max-width:640px){.container{width:min(var(--max),calc(100% - 30px))}.hero-copy{padding:50px 24px 46px}.hero-copy h1{font-size:3.3rem}.hero-media{min-height:390px}.hero-card{right:18px;bottom:18px;width:72%;font-size:.9rem}.hero-tags{gap:6px}.section{padding:62px 0}.section-title{font-size:2.55rem}.step{grid-template-columns:68px 1fr}.step-num{font-size:3.7rem;padding:32px 10px}.step-copy{padding:31px 20px}.step-copy h2{font-size:1.75rem}.step-media{min-height:280px}.grid-4,.two{grid-template-columns:1fr}.gallery,.gallery.two{grid-template-columns:1fr}.gallery figure:last-child:nth-child(odd){grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.page-hero{padding:58px 0 50px}.page-hero h1{font-size:3.25rem}.mission-overview:after{display:none}}