@font-face {
  font-family:"Montserrat";
  src:url("../fonts/Montserrat-variable.ttf") format("truetype");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}
:root { --ink:#191918; --paper:#f7f5f0; --sand:#ece7de; --text:#292823; --muted:#68645c; --copper:#ad744e; --copper-light:#cd9870; --line:#d9d3c9; --max:1180px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:115px; }
body { margin:0; background:var(--paper); color:var(--text); font-family:"Montserrat","Segoe UI",Arial,sans-serif; font-size:16px; line-height:1.65; -webkit-font-smoothing:antialiased; }
a { color:inherit; }
img { max-width:100%; display:block; }
figure,p,h1,h2,h3 { margin:0; }
h1,h2,h3 { line-height:1.12; font-weight:500; letter-spacing:-.045em; }
a:focus-visible { outline:3px solid var(--copper-light); outline-offset:6px; }
::selection { background:#d6b49a; color:var(--ink); }
.wrap { width:min(var(--max),calc(100% - 96px)); margin-inline:auto; }
.section-pad { padding:100px 0; }
.eyebrow { font-size:12px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:#805536; margin-bottom:23px; }
.eyebrow.light { color:#d4b193; }
.short-line { display:inline-block; width:28px; height:1px; background:var(--copper-light); vertical-align:middle; margin-right:13px; }
.skip-link { position:fixed; top:12px; left:12px; z-index:10; padding:12px 18px; background:white; color:var(--ink); transform:translateY(-160%); }
.skip-link:focus { transform:none; }

/* Navigation */
.site-header { position:sticky; top:0; z-index:5; background:var(--ink); border-bottom:1px solid #ffffff14; }
.header-inner { display:flex; justify-content:space-between; align-items:center; gap:25px; min-height:94px; }
.brand { flex-shrink:0; }
.brand img { width:188px; height:auto; }
.navigation { display:flex; align-items:center; gap:32px; font-size:13px; color:#e7e1d7; }
.navigation a { text-decoration:none; padding:12px 0; }
.navigation a:hover { color:var(--copper-light); }
.navigation .nav-contact { border:1px solid #ffffff40; padding:9px 17px; display:flex; gap:20px; align-items:center; }
.navigation .nav-contact:hover { border-color:var(--copper-light); }

/* Accueil */
.hero { color:var(--paper); background:var(--ink) url('../index_background.svg') right center/cover no-repeat; position:relative; }
.hero-grid { display:grid; grid-template-columns:1.25fr .8fr; gap:55px 80px; align-items:center; padding-top:65px; }
.hero-interlocuteur { display:contents; }
.hero h1 { font-size:clamp(60px,6.5vw,92px); letter-spacing:-.055em; line-height:1.02; margin-bottom:27px; }
.hero h1 span { color:var(--copper-light); }
.hero-intro { font-size:21px; line-height:1.5; color:#eee8df; max-width:490px; margin-bottom:18px; }
.hero-description { font-size:16px; color:#d4cfc7; max-width:460px; line-height:1.8; }
.hero-actions { display:flex; align-items:center; gap:23px; margin-top:32px; flex-wrap:wrap; }
.button { display:inline-flex; align-items:center; justify-content:space-between; gap:28px; min-height:48px; padding:14px 21px; font-size:14px; font-weight:600; text-decoration:none; transition:background .2s,transform .2s; }
.button.copper { background:var(--copper-light); color:#211b16; }
.button:hover { background:#ddb28f; transform:translateY(-2px); }
.text-link { font-size:14px; text-decoration:none; border-bottom:1px solid #ffffff40; padding-bottom:5px; display:inline-flex; gap:14px; }
.light-link { color:#e3dcd1; }
.text-link:hover { border-color:var(--copper-light); }
.hero-visual { position:relative; margin-top:35px; }
.technical-frame { position:relative; border:1px solid #c68e5d40; background:#19191840; }
.technical-frame::before { content:""; position:absolute; inset:-12px 12px 12px -12px; border:1px solid #c68e5d30; pointer-events:none; }
.hero-visual img { position:relative; width:100%; height:auto; aspect-ratio:640/430; object-fit:contain; }
.hero-visual figcaption { margin-top:20px; font-size:12px; letter-spacing:.015em; color:#c9c0b5; }
.figure-index { color:var(--copper-light); margin-right:10px; }
.drawing-mark { position:absolute; right:-20px; bottom:-34px; color:var(--copper-light); font-size:35px; font-weight:200; }
.hero-bottom { display:flex; align-items:center; justify-content:space-between; gap:20px; border-top:1px solid #ffffff24; padding-top:22px; padding-bottom:23px; font-size:12px; letter-spacing:.07em; text-transform:uppercase; color:#e1d6c9; }
.hero-bottom p span { color:var(--copper-light); margin:0 18px; }
.hero-bottom a { color:#e1d6c9; text-decoration:none; }
.hero-bottom a span { margin-left:15px; }

/* Prestations */
.section-heading { display:flex; justify-content:space-between; align-items:flex-end; gap:70px; margin-bottom:52px; }
h2 { font-size:clamp(32px,3.6vw,48px); }
.section-intro { color:var(--muted); font-size:16px; max-width:340px; padding-bottom:3px; }
.service-grid { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.service { min-width:0; padding:30px 35px 38px 0; }
.service+.service { border-left:1px solid var(--line); padding-left:35px; }
.service-number { font-size:12px; color:#805536; display:block; margin-bottom:35px; }
.service h3 { font-size:27px; line-height:1.16; margin-bottom:19px; }
.service>p { color:var(--muted); font-size:16px; min-height:0; max-width:285px; }
.service ul { list-style:none; padding:0; margin:24px 0 0; font-size:16px; }
.service li { position:relative; padding-left:16px; margin-bottom:10px; }
 .service li::before { content:""; width:4px; height:4px; background:var(--copper); position:absolute; left:0; top:12px; }
.tools-line { display:flex; justify-content:space-between; align-items:center; gap:20px; margin-top:23px; font-size:12px; color:var(--muted); }
.tools-line>span { letter-spacing:.1em; text-transform:uppercase; }
.tools-line p { font-weight:600; letter-spacing:.08em; color:var(--text); }
.tools-line p span { color:var(--copper); margin:0 18px; }

/* Approche */
.approach { background:var(--sand); }
.approach-grid { display:grid; grid-template-columns:.75fr 1.25fr; gap:100px; align-items:center; }
.portrait { position:relative; max-width:365px; }
.portrait img { width:100%; height:440px; object-fit:cover; object-position:50% 37%; filter:saturate(.75); }
.portrait figcaption { background:var(--paper); border-left:3px solid var(--copper); padding:17px 22px; }
.portrait strong { display:block; font-size:18px; font-weight:500; }
.portrait figcaption span { color:var(--muted); font-size:13px; }
.approach-copy .lead { font-size:20px; line-height:1.5; margin:26px 0 18px; max-width:530px; }
.approach-copy>p:not(.eyebrow):not(.lead) { color:var(--muted); font-size:16px; max-width:550px; }
.approach-points { margin-top:30px; border-top:1px solid #cfc7ba; }
.approach-points>div { display:flex; gap:22px; padding:15px 0; border-bottom:1px solid #cfc7ba; font-size:15px; }
.approach-points>div>span { color:#805536; font-size:11px; padding-top:4px; }
.approach-points p { color:var(--muted); }
.approach-points strong { display:block; font-weight:600; color:var(--text); margin-bottom:2px; }

/* Continuité de l’accompagnement */
.technology-note { margin-top:22px; font-size:14px!important; color:#805536!important; }
.accompaniment { margin-top:40px; padding:30px; background:var(--sand); }
.accompaniment .eyebrow { margin-bottom:20px; }
.accompaniment-steps { display:grid; grid-template-columns:repeat(3,1fr); gap:30px; list-style:none; padding:0; margin:0; counter-reset:steps; }
.accompaniment-steps li { counter-increment:steps; }
.accompaniment-steps li::before { content:"0" counter(steps) " /"; display:block; margin-bottom:10px; color:#805536; font-size:12px; }
.accompaniment-steps strong { display:block; font-weight:600; font-size:16px; margin-bottom:10px; }
.accompaniment-steps span { display:block; color:var(--muted); font-size:15px; line-height:1.8; }
.tools-line { flex-wrap:wrap; }
.tools-line p { letter-spacing:.03em; }

/* Accueil et présentation personnelle fusionnés */
.hero-portrait { width:100%; max-width:340px; justify-self:end; }
.hero-portrait img { width:100%; height:auto; aspect-ratio:750/1152; object-fit:cover; filter:saturate(.75); }
.hero-portrait figcaption { border-left:3px solid var(--copper-light); padding:16px 20px; background:#191918; }
.hero-portrait strong { display:block; font-size:19px; font-weight:500; }
.hero-portrait figcaption span { display:block; font-size:13px; color:#d4cfc7; margin-top:3px; }
.hero-personal { grid-column:1/-1; display:grid; grid-template-columns:1fr 1fr; gap:80px; border-top:1px solid #ffffff24; padding-top:35px; padding-bottom:40px; align-items:center; }
.hero-personal .eyebrow { margin-bottom:15px; }
.hero-personal h2 { font-size:32px; line-height:1.25; }
.hero-personal>p { font-size:16px; line-height:1.8; color:#d4cfc7; }
.missions { background:var(--sand); }

/* Exemples de missions et emplacements des futurs visuels */
.case-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:32px; }
.case-study { min-width:0; padding:32px; border:1px solid var(--line); background:var(--paper); }
.case-content { min-width:0; }
.case-content h4 { font-size:22px; line-height:1.4; letter-spacing:-.025em; font-weight:500; margin:0; }
.mission-category { text-transform:uppercase; font-size:18px; line-height:1.5; font-weight:600; color:#805536; letter-spacing:.06em; margin:0 0 24px; }
.mission-reference { font-size:13px; color:var(--muted); margin-bottom:20px; }
.case-status { display:inline-block; margin-top:20px; border:1px solid #b4a896; padding:6px 12px; color:#67472e; background:var(--sand); font-size:13px; font-weight:600; }
.case-details { display:grid; grid-template-columns:1fr; gap:8px; margin:26px 0 0; font-size:16px; }
.case-details dt { font-weight:600; font-size:14px; padding-top:2px; }
.case-details dd { margin:0 0 14px; color:var(--muted); line-height:1.8; }
.case-scope { margin-top:23px; padding-top:18px; border-top:1px solid var(--line); color:var(--muted); font-size:14px; line-height:1.8; }
.case-visual { margin-top:24px; }
.service-visual { margin-bottom:22px; }
.service-visual .visual-placeholder { min-height:230px; padding:20px; }
.service-visual .visual-placeholder strong { font-size:16px; }
.visual-placeholder { min-height:240px; padding:28px; display:flex; flex-direction:column; justify-content:center; align-items:center; gap:14px; text-align:center; border:1px dashed #a69887; background:linear-gradient(90deg,#d8cec133 1px,transparent 1px),linear-gradient(#d8cec133 1px,transparent 1px),var(--sand); background-size:30px 30px; }
.placeholder-ref { color:#805536; font-size:45px; font-weight:500; letter-spacing:.05em; }
.visual-placeholder strong { font-weight:500; font-size:18px; max-width:280px; line-height:1.6; }
.visual-placeholder>span:last-child { font-size:14px; color:var(--muted); line-height:1.8; max-width:360px; }
.visual-placeholder { text-decoration:none; }
.visual-placeholder.has-image { display:block; min-height:0; padding:0; border:0; background:var(--sand); }
.visual-placeholder.has-image>strong,.visual-placeholder.has-image>span { display:none; }
.visual-placeholder img { width:100%; aspect-ratio:16/10; object-fit:contain; }
.visual-placeholder img[hidden] { display:none; }
.visual-placeholder.drop-active { outline:3px solid var(--copper); outline-offset:3px; }
.image-trial-frame { cursor:pointer; }
.case-visual figcaption { margin-top:16px; font-size:14px; line-height:1.8; color:var(--muted); }

/* Contact et pied de page */
.contact { background:var(--ink); color:var(--paper); }
.contact-grid { display:grid; grid-template-columns:1.2fr 1fr; gap:100px; align-items:center; }
.contact h2 { font-size:clamp(32px,3.5vw,47px); line-height:1.18; }
.contact h2 span { color:var(--copper-light); }
.contact-intro { font-size:16px; color:#d4cfc7; margin:24px 0 29px; line-height:1.8; }
.contact-details { padding-left:40px; border-left:1px solid #ffffff30; }
.contact-email { display:block; font-size:clamp(17px,1.9vw,23px); font-weight:500; letter-spacing:-.02em; text-decoration:none; overflow-wrap:anywhere; }
.contact-email:hover { text-decoration:underline; text-underline-offset:5px; }
.location { color:#d4cfc7; font-size:16px; margin-top:15px; }
.working-terms { padding-top:22px; margin-top:23px; border-top:1px solid #ffffff24; font-size:15px; color:#d4cfc7; line-height:1.9; }
.footer { background:var(--ink); color:#c9c3bb; border-top:1px solid #ffffff24; font-size:13px; }
.footer-inner { display:flex; justify-content:space-between; align-items:center; gap:24px; padding-top:24px; padding-bottom:25px; }
.footer a { text-decoration:none; }
.footer a:hover { color:var(--copper-light); }
.social-links { display:flex; gap:24px; }
.social-links a { display:flex; gap:8px; align-items:center; }
.social-links img { width:16px; height:16px; }
.back-top span { margin-left:10px; }

/* Adaptations ordinateur, tablette et mobile */
@media(min-width:1500px) {
  .hero-grid { padding-top:110px; row-gap:95px; }
}
@media(max-width:1050px) {
  .wrap { width:calc(100% - 64px); }
  .hero-grid { column-gap:35px; }
  .hero h1 { font-size:68px; }
  .hero-intro { font-size:19px; }
  .hero .eyebrow { font-size:12px; letter-spacing:.08em; }
  .hero-actions { gap:18px; }
  .navigation { gap:22px; }
  .approach-grid { gap:55px; }
  .contact-grid { gap:50px; }
  .contact-details { padding-left:25px; }
  .service { padding-right:24px; }
  .service+.service { padding-left:24px; }
  .service h3 { font-size:24px; }
  .section-heading { gap:40px; }
}
@media(max-width:780px) {
  .hero-interlocuteur { display:grid; grid-template-columns:160px minmax(0,1fr); gap:24px; align-items:center; }
  .hero-portrait { justify-self:start; max-width:160px; }
  .hero-portrait img { height:225px; aspect-ratio:auto; object-position:50% 37%; }
  .hero-portrait figcaption { padding:12px; }
  .hero-portrait strong { font-size:16px; }
  .hero-portrait figcaption span { font-size:12px; }
  .hero-personal { display:contents; }
  .hero-personal>p { grid-column:1/-1; padding-top:24px; border-top:1px solid #ffffff24; }
  html { scroll-padding-top:185px; }
  .section-pad { padding:70px 0; }
  .header-inner { min-height:116px; flex-direction:column; gap:12px; justify-content:center; padding-top:14px; padding-bottom:12px; }
  .brand img { width:155px; }
  .navigation { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); width:100%; max-width:360px; font-size:12px; gap:0 20px; }
  .navigation a { min-height:44px; padding:4px 0; display:flex; align-items:center; justify-content:center; }
  .navigation .nav-contact { border:0; padding:4px 0; gap:8px; color:var(--copper-light); }
  .hero-grid { grid-template-columns:1fr; padding-top:55px; padding-bottom:42px; gap:42px; }
  .hero h1 { font-size:72px; }
  .hero-copy { max-width:550px; }
  .hero-description { max-width:520px; }
  .hero-visual { margin:0 0 0 12px; }
  .hero-visual figcaption { margin-top:16px; }
  .drawing-mark { display:none; }
  .hero-bottom { font-size:12px; }
  .hero-bottom p span { margin:0 10px; }
  .hero-bottom>a { display:none; }
  .section-heading { align-items:flex-start; flex-direction:column; gap:22px; margin-bottom:35px; }
  .section-intro { max-width:500px; }
  .service-grid { grid-template-columns:1fr; }
  .service,.service+.service { border-left:0; padding:28px 0; }
  .service+.service { border-top:1px solid var(--line); }
  .service-number { margin-bottom:17px; }
  .service h3 { font-size:27px; }
  .service>p { min-height:0; max-width:none; }
  .service ul { margin-top:17px; }
  .approach-grid { grid-template-columns:1fr; gap:37px; }
  .portrait { max-width:none; display:grid; grid-template-columns:160px 1fr; align-items:end; }
  .portrait img { height:205px; object-position:center 30%; }
  .portrait figcaption { margin-bottom:15px; padding:18px 23px; max-width:245px; }
  .approach-copy .lead { font-size:19px; }
  .accompaniment-steps { grid-template-columns:1fr; gap:25px; }
  .accompaniment { padding:25px; }
  .case-list { grid-template-columns:1fr; gap:24px; }
  .case-study { padding:28px; }
  .case-content h4 { font-size:21px; }
  .case-details { grid-template-columns:1fr; gap:8px; }
  .case-details dd { margin-bottom:15px; }
  .visual-placeholder { min-height:220px; padding:22px; }
  .contact-grid { grid-template-columns:1fr; gap:40px; }
  .contact-details { padding-left:0; border-left:0; padding-top:30px; border-top:1px solid #ffffff30; }
  .contact-email { font-size:23px; }
  .footer-inner { flex-wrap:wrap; }
  .back-top { margin-left:auto; }
}
@media(max-width:440px) {
  .hero-interlocuteur { grid-template-columns:135px minmax(0,1fr); gap:20px; }
  .hero-personal h2 { font-size:clamp(21px,6vw,27px); }
  .hero-portrait { max-width:135px; }
  .hero-portrait img { height:190px; }
  .case-study { padding:24px 20px; }
  .wrap { width:calc(100% - 40px); }
  .navigation { gap:0 6px; font-size:12px; }
  .navigation a { min-height:44px; display:flex; align-items:center; }
  .navigation .nav-contact { gap:4px; padding:4px 0; }
  .hero-grid { padding-top:42px; }
  .hero h1 { font-size:clamp(42px,13vw,58px); }
  .hero-intro { font-size:18px; }
  .hero .eyebrow { font-size:12px; letter-spacing:.05em; line-height:1.7; }
  .short-line { width:17px; margin-right:8px; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:18px; }
  .hero-description { font-size:16px; }
  .hero-bottom { font-size:12px; letter-spacing:.015em; }
  .hero-bottom p { display:flex; flex-wrap:wrap; gap:5px 0; }
  .hero-bottom p span { margin:0 7px; }
  .section-pad { padding:56px 0; }
  h2 { font-size:30px; }
  .eyebrow { margin-bottom:19px; }
  .portrait { grid-template-columns:135px 1fr; }
  .portrait img { height:185px; }
  .portrait figcaption { padding:13px 15px; }
  .portrait strong { font-size:17px; }
  .portrait figcaption span { font-size:12px; }
  .contact-email { font-size:20px; }
  .contact h2 { font-size:33px; }
  .contact-intro br,.desktop-break { display:none; }
  .tools-line { font-size:12px; flex-direction:column; align-items:flex-start; gap:8px; }
  .tools-line p { line-height:1.9; }
  .tools-line p span { margin:0 8px; }
  .footer-inner { gap:18px; }
  .footer-inner>p { width:100%; }
  .social-links { gap:20px; }
  .back-top { font-size:12px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { transition:none!important; }
  .button:hover { transform:none; }
}