/* Adaptations ciblées : palette, typographie et photographies originales. */
.legacy-hero .legacy-slide__copy { padding-bottom:150px; }
.legacy-hero .legacy-slide__copy h1,.legacy-hero .legacy-slide__copy h2 {font-size:clamp(34px,3.5vw,54px);}
.legacy-hero .legacy-slide__statement {font-size:clamp(20px,2vw,29px);line-height:1.4;margin:22px 0;}
.legacy-hero .legacy-slide__caption {font-size:16px;}
.pca-hero-actions {position:absolute;bottom:65px;left:0;right:0;z-index:4;display:flex;justify-content:center;gap:14px;padding:0 20px;}
.pca-hero-actions .button {text-shadow:none;background:#7e8991;border-color:#7e8991;}
.pca-hero-actions .button--light {background:#fff;color:#333;border-color:#fff;}
.pca-hero-actions .button:hover{background:#525d65;color:#fff;border-color:#525d65;}
.section--expertise {padding-top:85px;padding-bottom:85px;}
.section--expertise .section-heading {margin-bottom:65px;}
.expertise-card {min-height:0;}
.expertise-card .button {margin-top:auto;}
.expertise-card .pca-examples {color:#555f65;font-size:16px;border-top:1px solid var(--pca-line);padding-top:16px;}
.pca-mobile-menu,.pca-mobile-actions {display:none;}
.pillars {padding:54px 0;background:#f4f5f5;border-top:1px solid #e1e4e5;border-bottom:1px solid #d9dddf;}
.pillars__grid {gap:24px;}
.pillar {height:100%;padding:30px 28px;border:1px solid #d9dddf;background:#fff;box-shadow:0 10px 28px rgba(53,62,68,.06);}
.pillar__icon {color:#8b969d;}
.statement--compact-bottom {padding-bottom:78px;}
.full-image-copy h2 {top:5%;}
.pca-request {padding:75px clamp(28px,5vw,85px);background:#f7f7f7;}
.pca-request__inner {max-width:820px;margin-inline:auto;}
.pca-request .section-heading{margin-bottom:40px;}
.pca-request .section-heading h2 {font-size:clamp(34px,4vw,54px);}
.pca-form-grid {display:grid;grid-template-columns:1fr 1fr;gap:22px 28px;}
.pca-contact-form label {display:flex;flex-direction:column;gap:8px;color:#444d53;font-size:15px;font-weight:600;}
.pca-contact-form input,.pca-contact-form select,.pca-contact-form textarea {width:100%;min-width:0;padding:13px;border:1px solid #aeb6bb;background:white;border-radius:0;font:inherit;font-weight:400;font-size:16px;color:#333;}
.pca-contact-form textarea {resize:vertical;}
.pca-form-wide {grid-column:1/-1;}
.pca-contact-form :focus-visible,.pca-mobile-menu a:focus-visible,.pca-mobile-menu summary:focus-visible {outline:3px solid #4d606d;outline-offset:3px;}
.pca-contact-form .button {cursor:pointer;background:#737f88;border-color:#737f88;}
.pca-contact-form button:disabled {opacity:.65;cursor:wait;}
.pca-form-help {font-size:14px;color:#5e686e;margin:20px 0;}
.pca-form-help a,.pca-form-alternative a {text-decoration:underline;text-underline-offset:3px;}
.pca-form-alternative {margin:20px 0 0;font-size:15px;}
.pca-form-status:not(:empty) {padding:20px;border-left:4px solid #7e8991;background:#fff;margin-bottom:28px;color:#344b40;}
.pca-form-status.is-error {color:#8b2929;border-color:#8b2929;}
.pca-hp {position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden;}
.screen-reader-text {position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.pca-newsletter {width:min(760px,100%);margin:0 auto;}
.pca-newsletter-row {display:flex;justify-content:center;gap:12px;}
.pca-newsletter-row input {flex:1;min-height:52px;padding:13px 16px;border:1px solid rgba(255,255,255,.8);background:rgba(255,255,255,.95);color:#333;font:inherit;font-size:16px;}
.pca-newsletter-row .button {min-width:180px;cursor:pointer;}
.pca-newsletter-consent {display:flex;align-items:flex-start;justify-content:center;gap:9px;margin:15px auto 0;color:#fff;font-size:14px;line-height:1.45;text-align:left;}
.pca-newsletter-consent input {margin-top:4px;flex:0 0 auto;}
.pca-newsletter-status:not(:empty) {margin:0 auto 18px;padding:12px;background:rgba(255,255,255,.94);color:#344b40;}
.pca-newsletter-status.is-error {color:#8b2929;}
.pca-back-to-top {position:fixed;right:24px;bottom:24px;z-index:20;width:48px;height:48px;border:1px solid #fff;border-radius:50%;background:#7e8991;color:#fff;box-shadow:0 8px 24px #0003;font-size:24px;line-height:1;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s;}
.pca-back-to-top.is-visible {opacity:1;visibility:visible;transform:none;}
.pca-back-to-top:hover {background:#525d65;}
.contact-split {grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);}
.contact-split__details {padding-inline:clamp(42px,6vw,100px);}
#expertise,#contact,#demande {scroll-margin-top:25px;}
@media(max-width:760px){
 .site-header__inner {gap:14px;min-height:82px;}
 .brand img {width:min(245px,61vw);}
 .main-nav {display:none;}
 .pca-mobile-menu {display:block;position:relative;flex-shrink:0;}
 .pca-mobile-menu summary {cursor:pointer;list-style:none;padding:12px 14px;background:var(--pca-silver);color:#fff;font-size:13px;font-weight:650;}
 .pca-mobile-menu summary::-webkit-details-marker{display:none;}
 .pca-mobile-menu summary::before {content:'☰';margin-right:7px;}
 .pca-mobile-menu[open] summary::before {content:'×';}
 .pca-mobile-menu nav {position:absolute;right:0;top:100%;width:min(310px,85vw);padding:12px;background:#fff;border:1px solid var(--pca-line);box-shadow:0 10px 25px #0002;}
 .pca-mobile-menu nav a {display:block;padding:13px;color:#444d53;font-size:15px;border-bottom:1px solid var(--pca-line);}
 .pca-mobile-menu nav a:last-child {border:0;}
 .pca-mobile-actions {display:flex;position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fff;border-top:1px solid #cdd2d5;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -2px 10px #0001;}
 .pca-mobile-actions a {flex:1;text-align:center;padding:14px 8px;font-size:14px;font-weight:600;color:#4d575e;}
 .pca-mobile-actions a:last-child {background:#7e8991;color:#fff;}
 body {padding-bottom:calc(53px + env(safe-area-inset-bottom));}
 .legacy-hero {min-height:640px;}
 .legacy-hero .legacy-slide__copy {width:calc(100% - 40px);padding-top:35px;padding-bottom:175px;margin-inline:auto;}
 .legacy-hero .legacy-slide__copy h1,.legacy-hero .legacy-slide__copy h2 {font-size:34px;}
 .legacy-hero .legacy-slide__statement {font-size:21px;margin:20px 0;}
 .legacy-hero .legacy-slide__caption {font-size:14px;}
 .pca-hero-actions {bottom:65px;flex-wrap:wrap;gap:10px;}
 .pca-hero-actions .button {min-height:46px;padding:12px 16px;font-size:11px;}
 .section--expertise {padding-top:65px;padding-bottom:65px;}
 .section--expertise .section-heading {margin-bottom:45px;}
 .section--expertise .section-heading h2 {font-size:34px;}
 .pillars {padding:28px 0;}
 .pillar {padding:24px 20px;}
 .statement--compact-bottom {padding-bottom:42px;}
 .full-image-copy {min-height:570px;}
 .full-image-copy h2 {top:4%;}
 .contact-split {grid-template-columns:1fr;}
 .pca-request {padding:60px 20px;}
 .pca-form-grid {grid-template-columns:1fr;gap:20px;}
 .pca-contact-form .button {width:100%;}
 .pca-newsletter-row {flex-direction:column;}
 .pca-newsletter-row .button {width:100%;}
 .pca-back-to-top {right:14px;bottom:72px;width:44px;height:44px;}
}

/* En-tête d'accueil entièrement superposé au diaporama, puis fixe sur fond blanc. */
:root {--pca-topbar-height:38px;}
.home .topbar {
 position:absolute;
 top:0;
 left:0;
 right:0;
 z-index:55;
 border-bottom:0;
 color:#fff;
 background:transparent;
 text-shadow:0 1px 5px rgba(0,0,0,.55);
}
.home .topbar a:hover {color:#fff;opacity:.8;}
.home .site-header {
 position:absolute;
 top:var(--pca-topbar-height);
 left:0;
 right:0;
 width:100%;
 z-index:50;
 border-bottom-color:transparent;
 background:transparent;
 transition:background-color .28s ease,border-color .28s ease,box-shadow .28s ease,backdrop-filter .28s ease;
}
.home .site-header .site-header__inner {transition:min-height .28s ease;}
.home .site-header .brand img {filter:drop-shadow(0 2px 7px rgba(0,0,0,.28));transition:filter .28s ease;}
.home .site-header .main-nav {color:#fff;text-shadow:0 1px 5px rgba(0,0,0,.48);}
.home .site-header .main-nav a {transition:color .18s ease,opacity .18s ease;}
.home .site-header .main-nav a:hover {color:#fff;opacity:.78;}
.home .site-header.is-scrolled {
 position:fixed;
 top:0;
 border-bottom-color:var(--pca-line);
 background:rgba(255,255,255,.97);
 box-shadow:0 7px 24px rgba(30,42,50,.13);
 -webkit-backdrop-filter:blur(12px);
 backdrop-filter:blur(12px);
}
.home .site-header.is-scrolled .site-header__inner {min-height:88px;}
.home .site-header.is-scrolled .brand img {filter:none;}
.home .site-header.is-scrolled .main-nav {color:#777f84;text-shadow:none;}
.home .site-header.is-scrolled .main-nav a:hover {color:var(--pca-ink);opacity:1;}
.home.admin-bar .site-header.is-scrolled {top:32px;}
.home #expertise,.home #contact,.home #demande {scroll-margin-top:110px;}

@media(max-width:782px){
 .home.admin-bar .site-header.is-scrolled {top:46px;}
}
@media(max-width:760px){
 :root {--pca-topbar-height:0px;}
 .home .site-header.is-scrolled .site-header__inner {min-height:72px;}
 .home .site-header .pca-mobile-menu summary {background:rgba(82,93,101,.86);box-shadow:0 3px 12px rgba(0,0,0,.16);}
 .home .site-header.is-scrolled .pca-mobile-menu summary {background:var(--pca-silver);box-shadow:none;}
 .home #expertise,.home #contact,.home #demande {scroll-margin-top:88px;}
}
@media(prefers-reduced-motion:reduce){
 .home .site-header,.home .site-header .site-header__inner,.home .site-header .brand img {transition:none;}
}