/* AD Soudure — styles globaux partagés par toutes les pages.
   Les styles propres à une seule page restent dans un <style> local à cette page. */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Geist',sans-serif;background:#1c2832;color:#eceae4;-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden;font-feature-settings:"ss01","cv11"}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
input,select,textarea,button{font-family:inherit}
::placeholder{color:#6c7a85}

/* Accent éditorial italique */
.ed{font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-weight:400;letter-spacing:-.005em}

/* Grain de film subtil */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");mix-blend-mode:overlay}

@keyframes adzoom{0%{transform:scale(1.02)}100%{transform:scale(1.12)}}
@keyframes adsweep{0%{transform:scaleX(.2);transform-origin:left}50%{transform:scaleX(1);transform-origin:left}51%{transform-origin:right}100%{transform:scaleX(.2);transform-origin:right}}

/* ---------- Header / navigation ---------- */
.ad-nav-link{font-family:'Geist Mono',monospace;font-size:13px;letter-spacing:.08em;color:#93a0ab;text-transform:uppercase;transition:color .2s;cursor:pointer}
.ad-nav-link:hover,.ad-nav-link.active{color:#fff}
.ad-nav-link.active::after{content:"";display:block;height:1px;background:#e0621d;margin-top:6px}
.ad-mega{position:absolute;top:96px;left:0;right:0;background:rgba(20,29,37,.98);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .25s,transform .25s;z-index:90}
.ad-mega.open{opacity:1;pointer-events:auto;transform:translateY(0)}
.ad-mega-inner{max-width:1280px;margin:0 auto;padding:32px clamp(18px,5vw,40px);display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.08)}
.ad-mega-item{background:#1c2832;padding:22px 22px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;transition:background .25s}
.ad-mega-item:hover{background:#24323d}
.ad-mega-item:hover .ad-mega-arrow{transform:translateX(4px);color:#f2782f}
.ad-lang{display:flex;align-items:center;gap:2px;font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.1em;border:1px solid rgba(255,255,255,.16);border-radius:2px;overflow:hidden}
.ad-lang button{background:transparent;border:none;color:#93a0ab;padding:7px 9px;font-family:inherit;font-size:11px;letter-spacing:.1em;cursor:pointer;text-transform:uppercase;transition:background .2s,color .2s}
.ad-lang button:hover{color:#fff}
.ad-lang button.active{background:#e0621d;color:#fff}
.ad-lang button[disabled]{cursor:default;opacity:.6}
.ad-lang-tip{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);background:#0f161d;border:1px solid rgba(255,255,255,.18);color:#cfd6db;font-family:'Geist Mono',monospace;font-size:10px;letter-spacing:.06em;padding:6px 10px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;text-transform:none}
.ad-lang-tip.show{opacity:1}
@media (max-width:880px){.ad-mega{display:none !important}.ad-lang.desktop{display:none}}
@media (min-width:881px){.ad-lang.mobile{display:none}}

/* ---------- Footer ---------- */
.ad-foot-link{font-family:'Geist Mono',monospace;font-size:13px;color:#93a0ab;text-decoration:none;transition:color .2s;display:block;line-height:2}
.ad-foot-link:hover{color:#e0621d}

/* ---------- Accordéon FAQ ---------- */
.ad-faq summary{list-style:none;cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:17px;font-weight:600;font-family:'Geist',sans-serif;color:#fff;transition:color .25s}
.ad-faq summary::-webkit-details-marker{display:none}
.ad-faq summary:hover{color:#e0621d}
.ad-faq summary::after{content:"+";font-family:'Geist Mono',monospace;font-size:24px;font-weight:300;color:#e0621d;transition:transform .3s}
.ad-faq[open] summary::after{transform:rotate(45deg)}
.ad-faq{border-top:1px solid rgba(255,255,255,.12)}
.ad-faq:last-of-type{border-bottom:1px solid rgba(255,255,255,.12)}
.ad-faq p{padding:0 0 22px;color:#aeb8c0;font-size:15px;line-height:1.75;max-width:50em}

/* ---------- Chip (communes voisines) ---------- */
.ad-chip{display:inline-flex;align-items:center;font-family:'Geist Mono',monospace;font-size:12.5px;letter-spacing:.06em;color:#cfd6db;border:1px solid rgba(255,255,255,.16);padding:9px 16px;border-radius:2px;transition:border-color .25s,color .25s}
.ad-chip:hover{border-color:rgba(224,98,29,.5);color:#fff}

/* ---------- Blog / articles "digeste" ---------- */
.article-meta{font-family:'Geist Mono',monospace;font-size:12.5px;letter-spacing:.06em;color:#93a0ab;text-transform:uppercase;margin-bottom:28px}
.publish-gate__locked{padding:60px clamp(18px,5vw,40px);text-align:center}
.publish-gate__locked p{color:#93a0ab;font-size:16px}
.article-body{color:#c6cdd3;font-size:15.5px;line-height:1.85}
.article-body h2{color:#fff;font-weight:700;font-size:clamp(23px,2.8vw,32px);letter-spacing:-.01em;margin:48px 0 18px}
.article-body p{margin:0 0 18px}
.article-body strong{color:#fff;font-weight:600}
.article-body ul{list-style:none;margin:0 0 20px;padding:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:'•';position:absolute;left:0;color:#e0621d;font-weight:700}
.article-body a:not(.reno-btn):not(.btn-primary){color:#e0621d;text-decoration:underline;text-underline-offset:2px}
.article-body a:not(.reno-btn):not(.btn-primary):hover{color:#f2782f}
.article-brief{margin:32px 0 40px;padding:26px clamp(20px,4vw,36px);background:rgba(255,255,255,.05);border-left:4px solid #e0621d;border-radius:4px}
.article-brief h2{margin:0 0 16px;font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:#e0621d;font-weight:700}
.article-brief ul{margin:0}
.article-toc{margin:0 0 40px;padding:24px clamp(20px,4vw,36px);border:1px solid rgba(255,255,255,.14);border-radius:4px}
.article-toc h2{margin:0 0 14px;font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:#93a0ab;font-weight:700}
.article-toc ol{margin:0;padding-left:20px;color:#cfd6db}
.article-toc li{margin-bottom:8px}
.article-toc a{color:#cfd6db;text-decoration:none}
.article-toc a:hover{color:#e0621d}
.article-quote{margin:40px 0;padding:4px 0 4px 24px;border-left:4px solid #e0621d;font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-size:clamp(20px,2.3vw,25px);line-height:1.5;color:#fff}
.article-realisations{margin:52px 0;padding:clamp(34px,5vw,52px) clamp(20px,4vw,40px);text-align:center;background:linear-gradient(160deg,rgba(224,98,29,.12),rgba(224,98,29,.03));border:1px solid rgba(224,98,29,.28);border-radius:8px}
.reno-eyebrow{display:inline-block;margin-bottom:10px;font-family:'Geist Mono',monospace;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:#e0621d}
.article-realisations h3{margin:0 0 12px;color:#fff;font-size:clamp(21px,2.5vw,28px);font-weight:700}
.reno-sub{margin:0 auto 26px;max-width:440px;color:#93a0ab;font-size:14.5px;line-height:1.7}
.reno-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.article-realisations a.reno-btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 26px;background:#e0621d;color:#fff;text-decoration:none;font-family:'Geist Mono',monospace;font-weight:500;font-size:13.5px;letter-spacing:.04em;text-transform:uppercase;border-radius:2px;transition:background .25s,transform .2s}
.article-realisations a.reno-btn:hover{background:#f2782f;color:#fff;transform:translateY(-2px)}
.article-faq{margin-top:16px}
.article-more{margin:48px 0;padding-top:32px;border-top:1px solid rgba(255,255,255,.14)}
.article-more h3{font-size:17px;color:#fff;margin-bottom:14px;font-weight:600}
.article-more ul{list-style:none;padding:0;margin:0}
.article-more li{margin-bottom:8px}
.article-zones{margin:48px 0;padding:22px clamp(20px,4vw,32px);border-left:3px solid #e0621d;background:rgba(255,255,255,.03)}
.article-zones h3{margin:0 0 10px;font-size:17px;color:#fff;font-weight:600}
.article-zones p{margin:0;color:#93a0ab}
.article-cta{padding:clamp(50px,7vw,84px) clamp(20px,4vw,40px);background:#e0621d;color:#fff;text-align:center;border-radius:8px;margin:56px 0 12px}
.article-cta h3{font-size:clamp(23px,2.8vw,30px);font-weight:700;margin-bottom:14px}
.article-cta p{color:rgba(255,255,255,.92);margin-bottom:26px}
.article-cta .btn-primary{display:inline-flex;align-items:center;gap:.6em;font-family:'Geist Mono',monospace;font-weight:600;letter-spacing:.04em;font-size:14px;padding:17px 32px;border-radius:2px;background:#fff;color:#e0621d;text-transform:uppercase;text-decoration:none;transition:transform .25s}
.article-cta .btn-primary:hover{transform:translateY(-2px)}

/* ---------- Cartes blog (index + accueil) ---------- */
.blog-card{display:block;background:#1c2832;border:1px solid rgba(255,255,255,.12);border-radius:6px;padding:26px;transition:border-color .25s,transform .25s;text-decoration:none;color:inherit}
.blog-card:hover{border-color:rgba(224,98,29,.5);transform:translateY(-3px)}
.blog-card .blog-card-date{font-family:'Geist Mono',monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#e0621d}
.blog-card h3{margin-top:12px;font-size:19px;font-weight:600;color:#fff;line-height:1.3}
.blog-card p{margin-top:10px;color:#93a0ab;font-size:14px;line-height:1.65}
.blog-card .blog-card-more{margin-top:16px;display:inline-block;font-family:'Geist Mono',monospace;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:#e0621d}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:22px}