/* Chakhar Vitrages Auto — feuille de style unique.
   Couleurs : bleu roi (titres, header, footer), jaune réservé aux boutons d'action. */
:root{--blue:#1E3A8A;--blue-dark:#172E6E;--yellow:#FACC15;--yellow-hover:#EAB308;--bg:#FFFFFF;--bg-alt:#F8FAFC;--text:#1F2937;--muted:#4B5563;--line:#E2E8F0;--radius:10px;--shadow:0 1px 3px rgba(15,23,42,.08),0 4px 14px rgba(15,23,42,.06)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
h1,h2,h3{font-family:Montserrat,Inter,system-ui,sans-serif;color:var(--blue);line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(30px,4.6vw,50px);font-weight:700}
h2{font-size:clamp(24px,3vw,34px);font-weight:700}
h3{font-size:19px;font-weight:600}
p{margin:0 0 1em}
a{color:var(--blue)}
img{max-width:100%;height:auto;display:block}
.container{width:min(1140px,100% - 32px);margin-inline:auto}
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.section-intro{max-width:720px;color:var(--muted);margin-bottom:32px}
.eyebrow{display:inline-block;font:600 13px/1 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:#E0E7FF;padding:7px 12px;border-radius:999px;margin-bottom:14px}

/* Boutons : jaune = action (texte bleu foncé, jamais de texte jaune sur blanc) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:var(--radius);font:600 16px/1.2 Inter,sans-serif;text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn-yellow{background:var(--yellow);color:var(--blue-dark)}
.btn-yellow:hover{background:var(--yellow-hover)}
.btn-outline{border-color:currentColor;color:var(--blue);background:transparent}
.btn-outline:hover{background:#EEF2FF}
.on-blue .btn-outline{color:#fff}
.on-blue .btn-outline:hover{background:rgba(255,255,255,.12)}
.btn svg{width:20px;height:20px;flex:none}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}

/* Header fixe */
.site-header{position:sticky;top:0;z-index:50;background:var(--blue);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand-logo{background:#fff;border-radius:8px;padding:4px 8px;width:118px;height:48px;object-fit:contain}
.brand-text{font:700 15px/1.2 Montserrat,sans-serif}
.brand-text small{display:block;font:500 12px/1.3 Inter,sans-serif;opacity:.85}
.main-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.main-nav a{display:block;padding:10px 12px;color:#fff;text-decoration:none;font-weight:500;font-size:15px;border-radius:8px}
.main-nav a:hover,.main-nav a[aria-current="page"]{background:rgba(255,255,255,.14)}
.menu-toggle{display:none}
@media (max-width:1060px){
 .main-nav{position:relative}
 .menu-toggle{display:block}
 .menu-toggle summary{list-style:none;cursor:pointer;color:#fff;font-weight:600;padding:10px 14px;border:1px solid rgba(255,255,255,.4);border-radius:8px}
 .menu-toggle summary::-webkit-details-marker{display:none}
 .menu-toggle ul{position:absolute;right:0;top:52px;flex-direction:column;background:var(--blue);padding:8px;border-radius:var(--radius);box-shadow:var(--shadow);min-width:230px}
 .main-nav .nav-desktop{display:none}
 .header-call{display:none}
}

/* Hero */
.hero{background:var(--blue);color:#fff;padding:56px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{color:#fff}
.hero .lead{font-size:18px;color:#E0E7FF;max-width:560px}
.hero .derja{font-size:15px;color:#C7D2FE;margin-top:14px}
.hero-photo{border-radius:14px;width:100%;height:440px;object-fit:cover;object-position:center top;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.page-hero{padding:44px 0 48px}
.page-hero h1{font-size:clamp(28px,4vw,42px)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;font-size:14px;color:#C7D2FE}
.crumbs li+li::before{content:"›";margin-right:6px}
.crumbs a{color:#fff}

/* Bandeau confiance */
.trust{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.trust ul{list-style:none;margin:0;padding:18px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.trust li{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--blue);font-size:15px}
.trust svg{width:26px;height:26px;flex:none;color:var(--blue)}

/* Cartes services */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card svg{width:40px;height:40px;color:var(--blue);margin-bottom:12px}
.card p{color:var(--muted);font-size:15px;flex:1}
.card a.more{font-weight:600;text-decoration:none}
.card a.more:hover{text-decoration:underline}

/* Étapes */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;counter-increment:s}
.steps li::before{content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;font:700 17px Montserrat,sans-serif;margin-bottom:12px}
.steps p{color:var(--muted);margin:0}

/* Avis + atelier */
.reviews-box{background:var(--blue);color:#fff;border-radius:14px;padding:36px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.reviews-box h2{color:#fff;margin-bottom:8px}
.reviews-box p{color:#E0E7FF;margin:0;max-width:620px}
.atelier{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.nap{font-style:normal;line-height:1.9}
.nap strong{color:var(--blue)}
.map{width:100%;height:360px;border:0;border-radius:var(--radius);background:var(--bg-alt)}

/* Texte des pages */
.prose{max-width:780px}
.prose h2{margin-top:44px}
.prose h2:first-child{margin-top:0}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:6px}
.callout{background:#EEF2FF;border-left:4px solid var(--blue);border-radius:8px;padding:16px 20px;margin:20px 0}
.callout p:last-child{margin:0}
.layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
.aside{position:sticky;top:96px;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.aside h2{font-size:20px}
.aside .btn{width:100%;margin-bottom:10px}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:16px}
.related a{display:block;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;font-weight:600}
.related a span{display:block;font-weight:400;font-size:14px;color:var(--muted)}
.related a:hover{border-color:var(--blue)}

/* FAQ : questions en H3 */
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px}
.faq-list summary{cursor:pointer;list-style:none;padding:16px 20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary h3{display:inline;margin:0;font-size:17px}
.faq-list summary::after{content:"+";float:right;font:700 20px/1 Montserrat,sans-serif;color:var(--blue)}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p{padding:0 20px 16px;margin:0;color:var(--muted)}

/* Bandeau d'appel */
.cta-band{background:var(--blue);color:#fff;padding:48px 0}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0 0 6px}
.cta-band p{margin:0;color:#E0E7FF}

/* Footer */
.site-footer{background:var(--blue-dark);color:#E0E7FF;padding:52px 0 24px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.site-footer h2{color:#fff;font-size:17px;margin-bottom:12px}
.site-footer a{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:6px}
.footer-logo{background:#fff;border-radius:8px;padding:6px 10px;width:150px;height:60px;object-fit:contain;margin-bottom:14px}
.site-footer address{font-style:normal;line-height:1.9}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:18px;font-size:13px;color:#C7D2FE}

/* Boutons flottants mobile */
.float-bar{display:none}
@media (max-width:760px){
 .float-bar{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#fff;box-shadow:0 -2px 12px rgba(0,0,0,.15)}
 .float-bar .btn{min-height:50px;font-size:15px;padding:10px}
 .float-bar .btn-wa{background:var(--blue);color:#fff}
 body{padding-bottom:72px}
}

/* Responsive */
@media (max-width:1060px){.cards{grid-template-columns:repeat(2,1fr)}.trust ul{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:1fr}.aside{position:static}}
@media (max-width:760px){
 .section{padding:52px 0}
 .hero{padding:36px 0 44px}
 .hero-grid,.atelier,.footer-grid{grid-template-columns:1fr;gap:28px}
 .hero-photo{height:300px}
 .cards,.steps{grid-template-columns:1fr}
 .brand-text{display:none}
 .map{height:300px}
 .reviews-box{padding:26px}
}