/* Innov Habitat Artisan — BRUTALIST
   Palette: béton brut #2c2c2c, noir #0a0a0a, jaune signal #facc15, blanc cassé #fafafa, gris pierre #737373
*/
:root{
  --ink:#0a0a0a;
  --concrete:#2c2c2c;
  --signal:#facc15;
  --paper:#fafafa;
  --stone:#737373;
  --line:#0a0a0a;
  --maxw:1280px;
  --bd:3px solid var(--ink);
  --bd-thick:4px solid var(--ink);
  --hard:4px 4px 0 var(--ink);
  --hard-yellow:4px 4px 0 var(--signal);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Space Grotesk',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:var(--bd)}
a{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{background:var(--signal);text-decoration:none}
h1,h2,h3,h4{font-family:'Archivo Black','Space Grotesk',Impact,sans-serif;color:var(--ink);letter-spacing:-.01em;line-height:1;margin:0 0 .5em;text-transform:uppercase}
h1{font-size:clamp(3rem,8vw,7.5rem);font-weight:900;letter-spacing:-.03em}
h1 em{font-style:normal;background:var(--signal);padding:0 .12em;display:inline-block;transform:skew(-4deg)}
h2{font-size:clamp(2rem,4.4vw,3.4rem);font-weight:900;margin-top:1.2em;line-height:1.05}
h2 em{font-style:normal;background:var(--signal);padding:0 .1em}
h3{font-size:1.4rem;font-weight:900;margin-top:1.4em;font-family:'Archivo Black',sans-serif}
h4{font-family:'Space Grotesk',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.95rem}
p{margin:0 0 1.1em;font-size:1.05rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{display:inline-block;font-family:'Space Grotesk',monospace;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink);padding:8px 14px;background:var(--signal);border:var(--bd);margin-bottom:22px;font-weight:700}
.lede{font-size:1.25rem;line-height:1.5;max-width:62ch;font-weight:500;color:var(--concrete)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:var(--bd-thick)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:18px 28px}
.site-header .logo img{height:46px;width:auto;border:none}
.main-nav{display:flex;gap:28px;align-items:center}
.main-nav a{color:var(--ink);font-weight:700;font-size:.92rem;text-transform:uppercase;letter-spacing:.06em;text-decoration:none;padding:6px 0;border-bottom:3px solid transparent}
.main-nav a:hover{border-bottom-color:var(--ink);background:none}
.nav-cta{background:var(--signal);color:var(--ink) !important;padding:12px 18px;border:var(--bd);box-shadow:var(--hard);font-weight:900 !important}
.nav-cta:hover{background:var(--ink);color:var(--signal) !important;box-shadow:none;transform:translate(4px,4px)}
.menu-toggle{display:none;background:var(--signal);border:var(--bd);font-size:1.4rem;cursor:pointer;color:var(--ink);padding:6px 12px}

/* Buttons */
.btn{display:inline-block;padding:18px 30px;font-weight:900;font-size:1rem;border:var(--bd-thick);cursor:pointer;font-family:'Space Grotesk',sans-serif;text-transform:uppercase;letter-spacing:.06em;text-decoration:none;transition:transform .12s,box-shadow .12s;background:var(--paper);color:var(--ink);box-shadow:var(--hard)}
.btn:hover{transform:translate(4px,4px);box-shadow:none;background:var(--signal)}
.btn-primary{background:var(--signal);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--signal)}
.btn-ghost{background:transparent;color:var(--ink)}

/* Hero */
.hero{padding:80px 0 100px;border-bottom:var(--bd-thick);background:var(--paper);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:0;right:-100px;width:400px;height:100%;background:repeating-linear-gradient(45deg,var(--signal),var(--signal) 18px,transparent 18px,transparent 36px);opacity:.25;pointer-events:none}
.hero .container{position:relative}
.hero .eyebrow{margin-bottom:30px}
.hero .lede{margin:30px 0 38px}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:60px}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:var(--bd-thick);border-bottom:var(--bd-thick);margin-top:40px}
.stat-block{padding:36px 28px;border-right:var(--bd);position:relative}
.stat-block:last-child{border-right:none}
.stat-num{font-family:'Archivo Black',sans-serif;font-size:clamp(3rem,6vw,5.4rem);font-weight:900;line-height:1;display:block;margin-bottom:10px}
.stat-label{font-size:.9rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--concrete)}
.stat-block:nth-child(2){background:var(--ink);color:var(--paper)}
.stat-block:nth-child(2) .stat-label{color:var(--signal)}

/* Towns */
.towns{padding:80px 0;background:var(--ink);color:var(--paper);border-bottom:var(--bd-thick)}
.towns h2{color:var(--paper)}
.towns h2 em{background:var(--signal);color:var(--ink)}
.towns .lede{color:#cfcfcf}
.towns-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.towns-list span{display:inline-block;padding:10px 16px;border:2px solid var(--signal);color:var(--signal);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:.85rem}

/* Configurateur */
.config-section{padding:90px 0;border-bottom:var(--bd-thick);background:var(--paper)}
.config-wrap{display:grid;grid-template-columns:1.4fr .9fr;gap:0;margin-top:40px;border:var(--bd-thick);background:var(--paper)}
.config-steps{padding:0;border-right:var(--bd-thick)}
.config-step{padding:28px 30px;border-bottom:var(--bd)}
.config-step:last-child{border-bottom:none}
.config-step h4{margin:0 0 16px;font-family:'Archivo Black',sans-serif;font-size:1rem;letter-spacing:.04em}
.config-options{display:flex;flex-direction:column;gap:8px}
.config-options label{display:flex;align-items:center;gap:12px;padding:12px 14px;border:2px solid var(--ink);cursor:pointer;font-weight:600;font-size:.95rem;background:var(--paper);transition:all .12s}
.config-options label:hover{background:#fff7c2}
.config-options label.active{background:var(--signal);box-shadow:var(--hard);font-weight:900}
.config-options input{accent-color:var(--ink)}
.config-dims{display:grid;grid-template-columns:1fr;gap:10px}
.config-dims input{padding:14px;border:var(--bd);font-family:inherit;font-size:1.1rem;font-weight:700;background:var(--paper)}
.config-result{padding:32px 30px;background:var(--ink);color:var(--paper);position:relative}
.config-result h4{color:var(--signal);margin:0 0 14px;font-family:'Archivo Black',sans-serif;font-size:.9rem;letter-spacing:.12em}
.config-result .total{display:block;font-family:'Archivo Black',sans-serif;font-size:clamp(2.4rem,4.6vw,3.6rem);color:var(--signal);line-height:1;margin-bottom:8px}
.config-result .total small{display:block;font-size:.75rem;color:#cfcfcf;font-family:'Space Grotesk',sans-serif;font-weight:500;letter-spacing:.1em;text-transform:uppercase;margin-top:8px}
.config-recap{margin:24px 0;border-top:2px solid var(--signal);padding-top:16px}
.config-recap div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #444;font-size:.9rem}
.config-recap span:first-child{color:#cfcfcf;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}
.config-recap span:last-child{font-weight:700;color:var(--paper)}

/* Editorial */
.editorial{padding:90px 0;border-bottom:var(--bd-thick)}
.editorial-row{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start;margin-bottom:80px;padding-bottom:80px;border-bottom:var(--bd)}
.editorial-row:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.editorial-row.reverse{grid-template-columns:1.1fr 1fr}
.editorial-row.reverse > div{order:-1}
.editorial-row img{border:var(--bd-thick);box-shadow:var(--hard-yellow)}
.editorial-row ul{padding:0;list-style:none;margin:18px 0}
.editorial-row li{padding:10px 0 10px 24px;border-bottom:1px solid var(--ink);position:relative;font-weight:500}
.editorial-row li::before{content:"►";position:absolute;left:0;color:var(--signal);font-size:.85rem}

/* Pullquote */
.pullquote{padding:80px 0;background:var(--signal);border-bottom:var(--bd-thick)}
.pullquote blockquote{font-family:'Archivo Black',sans-serif;font-size:clamp(1.6rem,3.6vw,2.6rem);line-height:1.15;margin:0 0 24px;max-width:30ch;text-transform:uppercase}
.pullquote blockquote em{background:var(--ink);color:var(--signal);font-style:normal;padding:0 .15em}
.pullquote cite{font-style:normal;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.9rem}

/* Kiwiiz partner */
.kiwiiz-partner{padding:80px 0;border-bottom:var(--bd-thick);background:var(--paper)}
.kiwiiz-card{border:var(--bd-thick);padding:48px;display:grid;grid-template-columns:160px 1fr;gap:40px;align-items:center;box-shadow:var(--hard)}
.kiwiiz-card img{height:60px;width:auto;border:none}
.kiwiiz-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}

/* FAQ */
.faq{padding:90px 0;border-bottom:var(--bd-thick)}
.faq details{border:var(--bd);margin-bottom:14px;background:var(--paper)}
.faq details[open]{box-shadow:var(--hard);background:var(--paper)}
.faq summary{padding:20px 24px;cursor:pointer;font-weight:900;font-family:'Archivo Black',sans-serif;text-transform:uppercase;font-size:1.05rem;list-style:none;position:relative;padding-right:50px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:24px;top:18px;font-size:1.6rem;font-family:'Archivo Black',sans-serif}
.faq details[open] summary{background:var(--signal);border-bottom:var(--bd)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:18px 24px;margin:0;font-size:1rem}

/* CTA Banner */
.cta-banner{padding:90px 0;background:var(--ink);color:var(--paper);text-align:left;border-bottom:var(--bd-thick)}
.cta-banner h2{color:var(--paper);font-size:clamp(2.4rem,5vw,4rem);max-width:18ch}
.cta-banner h2 em{background:var(--signal);color:var(--ink)}
.cta-banner p{font-size:1.15rem;color:#cfcfcf;max-width:56ch;margin-bottom:30px}
.cta-banner .btn{background:var(--signal);color:var(--ink);border-color:var(--signal);box-shadow:4px 4px 0 var(--paper)}
.cta-banner .btn:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* Footer */
.site-footer{background:var(--paper);color:var(--ink);padding:70px 0 30px;border-top:var(--bd-thick)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;margin-bottom:50px}
.footer-grid h4{font-family:'Archivo Black',sans-serif;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;font-size:.95rem}
.footer-grid ul{padding:0;list-style:none;margin:0;font-size:.92rem;line-height:1.9}
.footer-grid a{color:var(--ink)}
.footer-legal{display:flex;justify-content:space-between;border-top:var(--bd);padding-top:24px;font-size:.82rem;color:var(--concrete);text-transform:uppercase;letter-spacing:.08em;font-weight:600}

/* Cookie banner */
#cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--ink);color:var(--paper);padding:20px 28px;border-top:4px solid var(--signal);display:none;align-items:center;gap:18px;flex-wrap:wrap;z-index:100;font-size:.9rem}
#cookie-banner.show{display:flex}
#cookie-banner p{margin:0;flex:1;min-width:280px}
#cookie-banner button{background:var(--signal);border:2px solid var(--signal);color:var(--ink);padding:10px 20px;font-weight:900;cursor:pointer;font-family:inherit;text-transform:uppercase;letter-spacing:.06em;font-size:.85rem}
#cookie-banner button.ghost{background:transparent;color:var(--signal)}

/* Inner page */
.article-hero{padding:60px 0 50px;border-bottom:var(--bd-thick);background:var(--paper)}
.breadcrumb{font-size:.82rem;color:var(--concrete);margin-bottom:24px;text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.breadcrumb a{color:var(--concrete)}
.article-hero h1{font-size:clamp(2.6rem,6vw,5.6rem);margin-bottom:24px}
.article-hero .lede{font-size:1.3rem;max-width:64ch}
.article-cover{margin:0;padding:0;border:none}
.article-cover img{width:100%;max-height:520px;object-fit:cover;border:none;border-bottom:var(--bd-thick)}
.prose{padding:70px 0;max-width:780px;margin:0 auto}
.prose h2{margin-top:2.2em;font-size:clamp(1.8rem,3.4vw,2.4rem)}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.8em;font-size:1.25rem}
.prose p{font-size:1.06rem;line-height:1.7}
.prose ul{padding-left:0;list-style:none}
.prose ul li{padding:8px 0 8px 26px;position:relative;border-bottom:1px solid #ddd}
.prose ul li::before{content:"■";position:absolute;left:0;color:var(--signal);font-size:.8rem;top:14px}
.decision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:36px 0;border:var(--bd-thick)}
.decision-grid > div{padding:24px;border-right:var(--bd);background:var(--paper)}
.decision-grid > div:last-child{border-right:none}
.decision-grid > div:nth-child(2){background:var(--signal)}
.decision-grid h4{margin:0 0 10px;font-family:'Archivo Black',sans-serif;font-size:1rem}
.decision-grid p{font-size:.92rem;margin:0}
.callout{background:var(--ink);color:var(--paper);padding:28px 32px;margin:36px 0;border-left:8px solid var(--signal)}
.callout strong{color:var(--signal)}
.callout p{margin:0;font-size:1.02rem}
.related{padding:60px 0;background:var(--ink);color:var(--paper);border-top:var(--bd-thick)}
.related h2{color:var(--paper);font-size:1.8rem}
.related h2 em{background:var(--signal);color:var(--ink)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.related-grid a{display:block;padding:22px;border:3px solid var(--signal);color:var(--paper);text-decoration:none;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.related-grid a:hover{background:var(--signal);color:var(--ink)}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
.form-grid .full{grid-column:1/-1}
.form-grid label{display:block;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;margin-bottom:6px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:14px;border:var(--bd);font-family:inherit;font-size:1rem;background:var(--paper)}
.form-grid textarea{min-height:160px;resize:vertical}

@media (max-width:900px){
  .hero-tech .container,.hero .container{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr;border-top:var(--bd-thick)}
  .stat-block{border-right:none;border-bottom:var(--bd)}
  .config-wrap{grid-template-columns:1fr}
  .config-steps{border-right:none;border-bottom:var(--bd-thick)}
  .editorial-row,.editorial-row.reverse{grid-template-columns:1fr;gap:30px}
  .editorial-row.reverse > div{order:0}
  .kiwiiz-card{grid-template-columns:1fr;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .related-grid,.decision-grid{grid-template-columns:1fr}
  .main-nav{display:none}
  .menu-toggle{display:block}
  .form-grid{grid-template-columns:1fr}
  .footer-legal{flex-direction:column;gap:8px}
}


/* Mention obligatoire sous les fourchettes de prix (regle B du brief) */
.note-indicative{
  margin-top: 12px;
  font-size: .9rem;
  font-style: italic;
  opacity: .85;
}