/* Octa – feuille de style commune à toutes les pages */
/* =========================================================
   Images : déposez vos visuels dans un dossier /images
   (hero.jpg, exp-architecture.jpg, exp-quality.jpg,
   exp-engineering.jpg, exp-ai.jpg). Bloc contact : dégradé (pas d'image).
   Tant qu'ils sont absents, un dégradé de remplacement s'affiche.
   ========================================================= */
:root{
  --red:#E30613;
  --red-dark:#B8050F;
  --ink:#111318;
  --text:#2B2F36;
  --muted:#5C6370;
  --line:#E7E9EE;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --footer:#14171D;
  --radius:6px;
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:14px;padding:14px 26px;border-radius:var(--radius);transition:.2s;border:1.5px solid transparent;cursor:pointer;white-space:nowrap}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-outline{border-color:var(--red);color:var(--ink);background:#fff}
.btn-outline:hover{background:#FFF1F2}
.btn-sm{padding:10px 20px;font-size:13px}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease}
.header.is-scrolled{box-shadow:0 4px 20px rgba(17,19,24,.06)}
.header.is-hidden{transform:translateY(-100%)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:76px;max-width:none;padding:0 48px}
.logo{display:inline-block;line-height:0}
.logo img{height:34px;width:auto}
.nav{display:flex;gap:44px;margin-left:72px;margin-right:auto}
.nav a{font-size:14px;font-weight:500;color:var(--ink)}
.nav a:hover{color:var(--red)}


/* ---------- Menu mobile (burger) ---------- */
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative;margin-left:8px}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s ease,opacity .2s ease}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
.header.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.header.menu-open .burger span:nth-child(2){opacity:0}
.header.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:540px;padding:0;background:#fff;overflow:hidden}
.hero-media{position:absolute;top:0;right:0;bottom:0;width:58%;
  background:
    linear-gradient(90deg,#fff 0%,rgba(255,255,255,.55) 18%,rgba(255,255,255,0) 40%),
    url(images/hero.jpg) center/cover,
    radial-gradient(circle at 70% 40%,rgba(227,6,19,.45),transparent 45%),
    linear-gradient(135deg,#3a3f48,#14171d);
}
.hero-content{position:relative;z-index:2;padding:90px 0 90px;max-width:580px}
.hero h1{font-size:58px;line-height:1.06;font-weight:700;letter-spacing:-1.8px;color:var(--ink);margin-bottom:36px}
.hero h1 .accent{color:var(--red)}
.hero p{font-size:16px;color:var(--text);margin-bottom:32px;max-width:500px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* Hero grand format sur PC : occupe tout l'écran sous le bandeau */
@media (min-width:821px){
  .hero{display:flex;align-items:center;min-height:max(680px,calc(100vh - 77px))}
  .hero > .container{width:100%}
  .hero-content{padding:80px 0}
}
@media (min-width:1025px){
  .hero h1{font-size:64px}
}

/* ---------- Sections ---------- */
section{padding:56px 0;scroll-margin-top:80px}
.section-soft{background:var(--bg-soft)}
.section-title{line-height:1.2;font-size:30px;font-weight:700;letter-spacing:-.6px;color:var(--ink);margin-bottom:6px}
.section-sub{font-size:15px;color:var(--muted);margin-bottom:36px;max-width:860px}

/* Enjeux */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 28px;box-shadow:0 4px 18px rgba(17,19,24,.04)}
.bar{display:block;width:36px;height:3px;background:var(--red);margin-bottom:22px}
.card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.35;margin-bottom:20px}
.card p{font-size:14px;color:var(--muted)}

/* Défis clés : photo à gauche */
.defis-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px;align-items:stretch}
.defis-photo{border-radius:var(--radius);min-height:420px;background:url(images/defis-entrepot.jpg) center/cover,linear-gradient(135deg,#3a3f48,#14171d)}
.defis-grid{grid-template-columns:repeat(2,1fr)!important}

/* Expertises */
.exp-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px rgba(17,19,24,.06);transition:transform .2s,box-shadow .2s;display:block}
.exp-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(17,19,24,.1)}
.exp-img{height:150px;background-size:cover;background-position:center}
.exp-img.i1{background-image:url(images/exp-architecture.jpg),repeating-linear-gradient(90deg,#1b1e24 0 14px,#3a0b0e 14px 18px),linear-gradient(#000,#222)}
.exp-img.i2{background-image:url(images/exp-quality.jpg),radial-gradient(circle at 30% 50%,rgba(227,6,19,.55),transparent 50%),linear-gradient(135deg,#1c2028,#0c0e12)}
.exp-img.i3{background-image:url(images/exp-engineering.jpg),radial-gradient(circle at 50% 60%,rgba(255,140,40,.45),transparent 55%),linear-gradient(135deg,#2a2e36,#121418)}
.exp-img.i4{background-image:url(images/exp-ai.jpg),radial-gradient(circle at 40% 45%,rgba(227,6,19,.6),transparent 50%),linear-gradient(135deg,#161a20,#08090c)}
.exp-body{padding:16px 14px 22px}
.exp-body h3{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:12px}
.exp-body h3 span{color:var(--red);font-size:16px}
.exp-body p{font-size:13.5px;color:var(--muted)}

/* Domaines d'intervention : 2 x 2 en version PC */
@media (min-width:1025px){
  .exp-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .exp-grid .exp-img{height:280px}
  .exp-grid .exp-body{padding:24px 28px 30px}
  .exp-grid .exp-body h3{font-size:19px;margin-bottom:12px}
  .exp-grid .exp-body h3 span{font-size:20px}
  .exp-grid .exp-body p{font-size:15px;max-width:480px}
}

/* Approche */
/* Grille commune « Notre approche » + « Pourquoi choisir Octa » :
   3 colonnes de largeur identique, séparateur centré dans l'espace entre elles */
.steps,.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:64px}
.step,.why-item{position:relative}
.step+.step::before,.why-item+.why-item::before{content:"";position:absolute;top:0;bottom:0;left:-32px;width:1px;background:var(--line)}
.step-num{font-size:40px;font-weight:600;color:var(--red);opacity:.85;line-height:1;margin-bottom:22px;letter-spacing:-1px}
.step h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.35;margin-bottom:22px}
.step p{font-size:13.5px;color:var(--muted)}

/* Bandeau image pleine largeur */
.photo-band{height:clamp(180px,30vw,260px);background:url(images/bandeau-pourquoi.jpg) center 27%/cover,linear-gradient(135deg,#3a3f48,#14171d)}

/* Pourquoi */
#pourquoi-octa .section-title{margin-bottom:36px}
.why-item .bar{width:28px;margin-bottom:22px}
.why-item h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.35;margin-bottom:22px}
.why-item p{font-size:13.5px;color:var(--muted)}

/* CTA */
.cta{position:relative;border-radius:10px;overflow:hidden;background:#f4f5f7;min-height:250px;display:flex;align-items:center}
.cta-media{position:absolute;top:0;right:0;bottom:0;width:60%;
  clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
  background:
    radial-gradient(circle at 40% 55%,#ffb347 0%,#ff6a1a 18%,transparent 45%),
    linear-gradient(180deg,#5a2a2a 0%,#c4471b 55%,#2a1a1a 100%)}
.cta-content{position:relative;z-index:2;padding:40px 48px;max-width:560px}
.cta h2{font-size:26px;font-weight:700;line-height:1.2;color:var(--ink);letter-spacing:-.4px;margin-bottom:16px}
.cta p{font-size:14px;color:var(--text);margin-bottom:22px}

#contact{padding-top:24px;padding-bottom:0}

/* Footer */
.footer{background:var(--footer);color:#fff;padding:22px 0;margin-top:20px}
.footer .container{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer .logo img{height:28px}
.footer-tag{margin-top:6px}
.footer-tag{font-size:12px;color:#C9CCD3;margin-top:2px}
.footer-nav{display:flex;gap:36px}
.footer-nav a{font-size:13px;color:#E5E7EB}
.footer-nav a:hover{color:#fff}
.footer-right{display:flex;align-items:center;gap:18px}
.footer .container.footer-legal{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#9EA3AD}
.footer-legal nav{display:flex;gap:28px;flex-wrap:wrap}
.footer-legal a{color:#C9CCD3}
.footer-legal a:hover{color:#fff}
.social{width:28px;height:28px;border-radius:50%;background:#fff;color:var(--footer);display:grid;place-items:center;font-size:12px;font-weight:800}
.social svg{width:14px;height:14px;fill:currentColor}


/* ---------- Version PC : mise en page aérée ---------- */
@media (min-width:1025px){
  section{padding:110px 0}
  .section-title{font-size:40px;letter-spacing:-.9px;margin-bottom:14px}
  .section-sub{font-size:17px;line-height:1.6;margin-bottom:56px;max-width:900px}
  /* Défis clés */
  #enjeux .grid-4{gap:28px}
  .card{padding:36px 30px 40px}
  .card .bar{margin-bottom:28px}
  .card h3{font-size:19px;margin-bottom:22px}
  .card p{font-size:15.5px;line-height:1.65}
  /* Approche */
  .steps,.why{column-gap:96px}
  .step+.step::before,.why-item+.why-item::before{left:-48px}
  .step-num{font-size:56px;margin-bottom:30px}
  .step h3{font-size:21px;margin-bottom:18px}
  .step p{font-size:15.5px;line-height:1.65}
  /* Pourquoi Octa */
  #pourquoi-octa .section-title{margin-bottom:56px}
  .photo-band{height:clamp(220px,16vw,300px)}
  .why-item .bar{margin-bottom:30px}
  .why-item h3{font-size:21px;margin-bottom:18px}
  .why-item p{font-size:15.5px;line-height:1.65}
  /* CTA */
  #contact{padding-top:40px}
  .cta{min-height:340px}
  .cta-media{width:50%;clip-path:polygon(16% 0,100% 0,100% 100%,0 100%)}
  .cta-content{padding:64px 56px;max-width:560px}
  .cta h2{font-size:31px;margin-bottom:20px}
  .cta p{font-size:16px;margin-bottom:30px}
  .footer{margin-top:110px;padding:32px 0}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cta{flex-direction:column;align-items:stretch}
  .cta-media{position:relative;width:100%;height:240px;clip-path:none;order:2}
  .cta-content{padding:40px 32px;max-width:none}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:24px}
  .nav{gap:24px;margin-left:40px}
}
@media (max-width:1024px){
  .defis-layout{grid-template-columns:1fr}
  .defis-photo{min-height:320px;background-position:center 38%}
}
@media (max-width:820px){
  .header .container{padding:0 20px}
  .nav{display:none}
  .header-cta{display:none}
  .burger{display:block}
  .mobile-menu{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(17,19,24,.08);padding:8px 20px 24px;
    clip-path:inset(0 0 100% 0);opacity:0;visibility:hidden;transition:clip-path .35s ease,opacity .25s ease,visibility 0s .35s}
  .header.menu-open .mobile-menu{clip-path:inset(0 0 0 0);opacity:1;visibility:visible;transition:clip-path .35s ease,opacity .25s ease}
  .mobile-menu a:not(.btn){font-size:17px;font-weight:600;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line)}
  .mobile-menu .btn{margin-top:20px;justify-content:center}
  .hero-media{position:relative;width:100%;height:340px;
    background:url(images/hero.jpg) center/cover,radial-gradient(circle at 70% 40%,rgba(227,6,19,.45),transparent 45%),linear-gradient(135deg,#3a3f48,#14171d)}
  .hero{display:flex;flex-direction:column-reverse}
  .hero-content{padding:40px 0 40px}
  .hero h1{font-size:40px}
  .steps,.why{grid-template-columns:1fr;gap:36px}
  .step+.step::before,.why-item+.why-item::before{display:none}
  .footer-nav{gap:20px;flex-wrap:wrap}
}
@media (max-width:560px){
  .cta-media{height:200px}
  .cta-content{padding:32px 24px}
  .defis-grid{grid-template-columns:1fr!important}
  .defis-photo{min-height:240px}
  .grid-4{grid-template-columns:1fr}
  .section-title{font-size:26px}
  .header-cta{display:none}
}

/* ---------- Lien « Voir plus » ---------- */
.link-more{display:flex;width:fit-content;align-items:center;gap:8px;margin:-22px 0 36px;font-size:15px;font-weight:600;color:var(--red);text-decoration:none}
.link-more-label{text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:5px}
.link-more .arrow{transition:transform .2s}
.link-more:hover{color:var(--red-dark)}
.link-more:hover .arrow{transform:translateX(4px)}

/* ---------- Page Domaines d'intervention ---------- */
.page-hero{background:var(--bg-soft);padding:64px 0 56px}
#domaines{padding-top:48px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.breadcrumb a:hover{color:var(--red)}
.page-hero h1{font-size:40px;line-height:1.15;font-weight:700;letter-spacing:-.9px;color:var(--ink);margin-bottom:16px}
.page-hero p{font-size:16px;color:var(--muted);max-width:820px;line-height:1.6}

.tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:40px}
.tab{display:flex;flex-direction:column;align-items:flex-start;gap:10px;text-align:left;font:inherit;cursor:pointer;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;color:var(--ink);
  transition:border-color .2s,box-shadow .2s,color .2s;position:relative}
.tab::after{content:"";position:absolute;left:-1px;right:-1px;bottom:-1px;height:3px;border-radius:0 0 var(--radius) var(--radius);background:transparent;transition:background .2s}
.tab-num{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.5px}
.tab-name{font-size:16px;font-weight:700;line-height:1.3}
.tab:hover{border-color:#D5D8DF}
.tab[aria-selected="true"]{border-color:var(--red);box-shadow:0 8px 24px rgba(227,6,19,.08)}
.tab[aria-selected="true"]::after{background:var(--red)}
.tab[aria-selected="true"] .tab-num{color:var(--red)}
.tab:focus-visible{outline:2px solid var(--red);outline-offset:2px}

.tab-panel[hidden]{display:none}
.tab-panel.is-visible{animation:panel-in .35s ease}
@keyframes panel-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.nav a[aria-current="page"],.mobile-menu a[aria-current="page"]{color:var(--red)}
@media (prefers-reduced-motion:reduce){.tab-panel.is-visible{animation:none}}

@media (min-width:1025px){
  .link-more{margin:-38px 0 56px;font-size:16px}
  #domaines{padding-top:72px}
  .page-hero{padding:90px 0 80px}
  .page-hero h1{font-size:52px}
  .page-hero p{font-size:17px}
}
@media (max-width:1024px){
  .tabs{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .page-hero h1{font-size:32px}
  .tabs{gap:10px;margin-bottom:28px}
  .tab{padding:14px 14px}
  .tab-name{font-size:14px}
}

/* ---------- Sélecteur de langue FR / EN ---------- */
.lang-switch{display:flex;align-items:center;gap:6px;margin-right:22px;font-size:13px;font-weight:600;letter-spacing:.3px}
.lang-switch a{color:var(--muted);padding:6px 4px;border-radius:4px;transition:color .2s}
.lang-switch a:hover{color:var(--ink)}
.lang-switch a[aria-current="true"]{color:var(--red)}
.lang-switch span{color:#C9CCD3}
@media (max-width:820px){
  .lang-switch{margin-left:auto;margin-right:4px}
}

/* ---------- Page Mentions légales ---------- */
.legal{padding-top:56px}
.legal>section{max-width:780px}
.legal section{padding:0;scroll-margin-top:96px}
.legal section+section{margin-top:44px;padding-top:40px;border-top:1px solid var(--line)}
.legal h2{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.3px;margin-bottom:16px}
.legal p{font-size:15.5px;line-height:1.7;color:var(--text);margin-bottom:14px}
.legal ul{margin:0 0 14px;padding-left:0;list-style:none;display:grid;gap:8px}
.legal li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.6;color:var(--text)}
.legal li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--red)}
.legal a{color:var(--red);text-decoration:underline;text-underline-offset:3px;word-break:break-word}
.legal-info{display:grid;grid-template-columns:230px 1fr;gap:10px 24px;margin:0 0 18px;font-size:15.5px;line-height:1.55}
.legal-info dt{font-weight:600;color:var(--ink)}
.legal-info dd{margin:0;color:var(--text)}
.todo{background:#FFF3CD;color:#7A5A00;border-radius:3px;padding:1px 6px;font-size:.92em;font-weight:500}
@media (max-width:560px){
  .legal{padding-top:36px}
  .legal-info{grid-template-columns:1fr;gap:2px}
  .legal-info dd{margin-bottom:10px}
}

/* ---------- Domaines d'intervention : fiche détaillée (structure maquette) ---------- */
.tab-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px 64px;align-items:start;padding-top:24px}
.xp-head{display:flex;align-items:center;gap:32px;margin-bottom:28px}
.xp-num{font-size:104px;font-weight:200;line-height:.82;letter-spacing:-5px;color:var(--red)}
.xp-eyebrow,.xp-label{display:flex;align-items:center;gap:14px;font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.xp-eyebrow::before{content:"";width:48px;height:1px;background:var(--red)}
.xp-head h2{font-size:44px;font-weight:700;letter-spacing:-1.2px;line-height:1.08;color:var(--ink)}
.xp-lead{font-size:30px;font-weight:300;line-height:1.3;letter-spacing:-.4px;color:var(--ink);margin-bottom:28px}
.xp-text p{font-size:16px;line-height:1.75;color:var(--text);margin-bottom:18px}
.xp-goal{border-left:3px solid var(--red);padding:4px 0 4px 26px;margin-top:34px}
.xp-goal .xp-label{color:var(--red)}
.xp-goal p:last-child{font-size:20px;font-weight:400;line-height:1.5;color:var(--ink)}
.xp-img{border-radius:16px;aspect-ratio:3/2;background-size:cover;background-position:center;box-shadow:0 18px 40px rgba(17,19,24,.12)}
.xp-case{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 30px 26px}
.xp-case h3{font-size:24px;font-weight:600;line-height:1.3;letter-spacing:-.3px;color:var(--ink);margin-bottom:14px}
.xp-case>p:not(.xp-label){font-size:15.5px;line-height:1.7;color:var(--text)}
.xp-deliv{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.xp-deliv .xp-label{margin-bottom:6px}
.xp-deliv p:last-child{font-size:15px;line-height:1.55;color:var(--text)}
.xp-icon{flex:none;display:grid;place-items:center;width:60px;height:60px;border-radius:50%;background:#FDEBEC;color:var(--red)}
.xp-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.xp-pillars{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding-top:36px;border-top:1px solid var(--line)}
.xp-pillar{display:flex;align-items:flex-start;gap:16px}
.xp-dot{flex:none;width:10px;height:10px;border-radius:50%;background:var(--red);margin-top:12px}
.xp-pillar h4{font-size:17px;font-weight:600;color:var(--ink);margin:4px 0 6px}
.xp-pillar p{font-size:15px;line-height:1.55;color:var(--muted)}
@media (max-width:1024px){
  .tab-panel{grid-template-columns:1fr;gap:40px}
  .xp-img{aspect-ratio:16/8}
  .xp-pillars{grid-template-columns:1fr;gap:24px}
}
@media (max-width:560px){
  .xp-head{gap:20px}
  .xp-num{font-size:64px;letter-spacing:-3px}
  .xp-head h2{font-size:30px}
  .xp-lead{font-size:23px}
  .xp-goal p:last-child{font-size:18px}
  .xp-case{padding:24px 20px}
  .xp-case h3{font-size:21px}
  .xp-icon{width:50px;height:50px}
  .xp-icon svg{width:22px;height:22px}
}

/* ---------- Page Contact ---------- */
.contact-page{padding-top:56px}
.contact-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:48px;align-items:start}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:40px;box-shadow:0 12px 40px rgba(17,19,24,.05)}
.contact-form h2,.contact-side h2{font-size:24px;font-weight:700;letter-spacing:-.3px;color:var(--ink);margin-bottom:6px}
.form-note{font-size:13px;color:var(--muted);margin-bottom:28px}
.req{color:var(--red)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid #D5D8DF;border-radius:var(--radius);padding:12px 14px;transition:border-color .2s,box-shadow .2s;width:100%}
.field textarea{resize:vertical;min-height:140px;line-height:1.55}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235C6370' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(227,6,19,.12)}
.field ::placeholder{color:#9EA3AD}
.contact-form.was-validated :invalid{border-color:var(--red)}
.consent{display:flex;align-items:flex-start;gap:12px;margin:24px 0 28px;font-size:14px;line-height:1.55;color:var(--text);cursor:pointer}
.consent input{flex:none;width:18px;height:18px;margin-top:2px;accent-color:var(--red)}
.consent a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
.contact-form.was-validated .consent input:invalid{outline:2px solid var(--red);outline-offset:2px}
.contact-form button{border:0;font-family:inherit}
.form-status{margin-top:18px;font-size:14.5px;line-height:1.5}
.form-status:empty{display:none}
.form-status.is-ok{color:#1E7B45;background:#EAF6EF;border-radius:var(--radius);padding:12px 14px}
.form-status.is-err{color:var(--red-dark);background:#FDEBEC;border-radius:var(--radius);padding:12px 14px}
.contact-side{background:var(--bg-soft);border-radius:16px;padding:36px}
.contact-side h2{margin-bottom:24px}
.contact-side dl{display:grid;gap:6px}
.contact-side dt{font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-top:14px}
.contact-side dt:first-child{margin-top:0}
.contact-side dd{margin:0;font-size:16px;line-height:1.55;color:var(--ink)}
.contact-side a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
@media (max-width:1024px){.contact-layout{grid-template-columns:1fr}}
@media (max-width:560px){
  .contact-page{padding-top:32px}
  .contact-form{padding:24px 20px}
  .form-grid{grid-template-columns:1fr}
  .contact-side{padding:28px 22px}
}

/* ---------- Page Expertise : texte d'introduction au-dessus des onglets ---------- */
.xp-intro{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;margin-bottom:72px}
.xp-intro-img{align-self:stretch;min-height:460px;border-radius:16px;background:url(images/expertise-intro.jpg) center 40%/cover,linear-gradient(135deg,#3a3f48,#14171d);box-shadow:0 18px 40px rgba(17,19,24,.12)}
.xp-intro h2{font-size:30px;font-weight:700;letter-spacing:-.6px;line-height:1.2;color:var(--ink);margin-bottom:20px}
.xp-intro p{font-size:16.5px;line-height:1.75;color:var(--text);margin-bottom:16px}
.xp-intro .xp-intro-key{margin:26px 0 0;padding-left:22px;border-left:3px solid var(--red);font-size:19px;font-weight:500;line-height:1.5;color:var(--ink)}
@media (min-width:1025px){.xp-intro h2{font-size:36px}.xp-intro p{font-size:17px}}
@media (max-width:1024px){.xp-intro{grid-template-columns:1fr;gap:36px;margin-bottom:56px}.xp-intro-img{min-height:0;aspect-ratio:4/3;background-position:center 30%}}
@media (max-width:560px){.xp-intro{margin-bottom:40px;gap:28px}.xp-intro-img{aspect-ratio:1/1;background-position:center 25%}.xp-intro h2{font-size:24px}.xp-intro .xp-intro-key{font-size:17px}}

/* Page Contact : formulaire seul, centré */
.contact-single{grid-template-columns:1fr;max-width:780px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}