/* Polices système, aucun framework et aucune ressource graphique distante. */
:root{color-scheme:light;--paper:#f5f8fc;--ink:#152534;--muted:#556471;--blue:#12649c;--line:#d6e0e9;--white:#fff;font-family:Inter,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}a:focus-visible{outline:3px solid var(--blue);outline-offset:7px}::selection{background:#c8e7fc}h1,h2,h3,p{margin:0}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.header{min-height:154px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:16px;font-weight:600;font-size:21px;letter-spacing:-.5px}.brand img{width:132px;height:auto;display:block}.brand-sub{display:block;font-size:10px;letter-spacing:3.4px;font-weight:500;margin-top:6px}nav{display:flex;align-items:center;gap:38px;font-size:14px;font-weight:500}.nav-contact{border:1px solid #bdcbd8;border-radius:5px;padding:14px 18px;display:flex;gap:26px;align-items:center}.nav-contact:hover{border-color:var(--blue);color:var(--blue)}.nav-services:hover,.form-link:hover,.back-top:hover{color:var(--blue)}.hero{padding-top:74px;padding-bottom:0}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:600;display:flex;align-items:center;gap:12px;line-height:1.5}.small-rule{width:28px;height:2px;background:var(--blue)}h1{font-size:clamp(48px,6.3vw,83px);font-weight:500;line-height:1.08;letter-spacing:-4px;margin:34px 0 37px;max-width:1080px}h1 span{color:var(--blue)}.hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:44px}.hero-bottom p{font-size:17px;line-height:1.9;max-width:550px;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;flex-shrink:0;background:var(--ink);color:var(--white);border-radius:5px;padding:20px 24px;font-size:15px;transition:background .18s,transform .18s}.button:hover{background:var(--blue);transform:translateY(-2px)}.button span{font-size:21px}.hero-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:65px;padding:23px 0 27px;font-size:12px;letter-spacing:1.2px;color:var(--muted)}.hero-foot a{font-size:13px;letter-spacing:0;display:flex;gap:22px}.expertises{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.expertise-layout{display:grid;grid-template-columns:1fr 1.65fr;gap:80px;padding-top:83px;padding-bottom:80px}h2{font-size:clamp(36px,4vw,51px);font-weight:500;line-height:1.13;letter-spacing:-1.8px;margin-top:24px}.services{padding-top:0}.service{display:grid;grid-template-columns:44px 1fr;gap:20px;padding:5px 0 37px}.service+.service{border-top:1px solid var(--line);padding-top:36px;padding-bottom:0}.number{font-size:13px;color:var(--blue);padding-top:7px;font-variant-numeric:tabular-nums}h3{font-size:25px;font-weight:500;letter-spacing:-.5px;line-height:1.3}.service p{font-size:16px;line-height:1.8;color:var(--muted);margin-top:15px;max-width:470px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:23px}.tags span{border:1px solid var(--line);border-radius:4px;padding:6px 10px;font-size:12px;color:var(--muted)}.contact{display:grid;grid-template-columns:1fr 1.65fr;gap:80px;padding-top:90px;padding-bottom:80px}.contact-intro{align-self:start;position:sticky;top:40px}.contact-label{font-size:18px;margin-top:30px;color:var(--muted)}.form-link{display:inline-block;max-width:250px;font-size:14px;line-height:1.7;margin-top:28px;text-decoration:underline;text-underline-offset:5px}.form-container{background:white;border:1px solid var(--line);border-radius:8px;overflow:hidden;min-width:0}.form-container iframe{display:block;width:100%;height:1000px;border:0}.footer{padding:31px 0 38px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:13px;color:var(--muted);line-height:1.8}.footer strong{display:block;font-size:15px;font-weight:600;color:var(--ink)}.footer span{display:block}.footer .back-top span{display:inline;margin-left:13px}.skip-link{position:fixed;top:12px;left:12px;z-index:10;padding:12px 20px;background:var(--ink);color:white;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}
@media(min-width:1500px){.hero{padding-top:95px}h1{font-size:88px}.hero-foot{margin-top:85px}}
@media(max-width:950px){.wrap{width:calc(100% - 56px)}h1{letter-spacing:-2.7px}.hero-bottom{align-items:flex-start;gap:28px}.hero-bottom p{max-width:410px}.button{gap:20px;padding:18px}.expertise-layout,.contact{gap:40px;grid-template-columns:1fr 1.5fr}.contact h2{font-size:39px}}
@media(max-width:680px){.wrap{width:calc(100% - 40px)}.header{min-height:128px;gap:14px}.brand{gap:9px;font-size:17px}.brand img{width:102px}.brand-sub{font-size:9px;letter-spacing:2.3px}.nav-services{display:none}.nav-contact{font-size:12px;gap:12px;padding:12px}.hero{padding-top:46px}.eyebrow{font-size:11px;letter-spacing:1.5px}h1{font-size:clamp(39px,8.8vw,59px);letter-spacing:-1.9px;line-height:1.12;margin:25px 0}h1 br{display:none}.hero-bottom{display:block}.hero-bottom p{font-size:16px;line-height:1.85}.button{margin-top:27px;font-size:14px;padding:17px 21px;gap:36px}.hero-foot{margin-top:40px;padding-block:20px;gap:15px}.hero-foot>span{font-size:10px;letter-spacing:.7px}.hero-foot a{font-size:12px;gap:8px}.expertise-layout,.contact{display:block;padding-top:48px;padding-bottom:48px}.section-intro h2 br{display:none}.section-intro h2 br:after{content:' '}.section-intro h2{margin-bottom:39px}h2{font-size:38px}.service{grid-template-columns:28px 1fr;gap:13px}h3{font-size:23px}.contact-intro{position:static;margin-bottom:32px}.contact h2 br{display:none}.form-link{max-width:none;margin-top:18px}.form-container{margin-inline:-8px}.form-container iframe{height:1100px}.footer{align-items:flex-start;flex-wrap:wrap;padding-top:27px;gap:22px;font-size:12px}.back-top{width:100%;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}

/* Formulaire natif assorti à la page, relié au formulaire Google existant. */
.contact-form{align-self:start;background:var(--white);padding:36px;border:1px solid var(--line);border-radius:8px;min-width:0}
.form-required{font-size:13px;color:var(--muted);margin-bottom:30px}
.form-field+.form-field{margin-top:25px}
.form-field label{display:block;font-size:15px;font-weight:500;margin-bottom:11px}
.form-field label span{color:var(--blue);margin-left:3px}
.form-field input,.form-field textarea{display:block;width:100%;font:inherit;font-size:16px;line-height:1.6;color:var(--ink);background:#fbfcfe;border:1px solid #aabac8;border-radius:4px;padding:14px 16px;transition:border-color .18s,box-shadow .18s}
.form-field textarea{resize:vertical;min-height:170px}
.form-field input::placeholder,.form-field textarea::placeholder{color:#657481;opacity:1}
.form-field input:focus,.form-field textarea:focus{outline:2px solid var(--blue);outline-offset:2px;border-color:var(--blue);background:white}
.form-field input:user-invalid,.form-field textarea:user-invalid{border-color:#b33333}
.form-actions{margin-top:28px}.form-actions button{font-family:inherit;border:0;cursor:pointer}.form-actions button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
.form-actions p{max-width:440px;margin-top:18px;font-size:13px;line-height:1.7;color:var(--muted)}
@media(max-width:680px){.contact-form{padding:23px 20px}.form-actions .button{margin-top:0;width:100%;justify-content:space-between}.form-required{margin-bottom:24px}}