/* NB Bâtiment — maquette de refonte. Noir, rouge, blanc. Barlow Condensed + Montserrat (leurs polices). */
:root{
  --blanc:#FFFFFF;--gris-clair:#F3F3F1;--noir:#111111;--noir-2:#1C1C1C;--rouge:#D42B23;--rouge-2:#B02219;--gris:#666B70;--gris-2:#9A9FA4;--ligne:#E3E3E0;
  --ff-display:'Barlow Condensed','Arial Narrow',sans-serif;--ff:'Montserrat','Helvetica Neue',Arial,sans-serif;
  --max:1180px;--gutter:20px;--pente:6vw;--ease:cubic-bezier(.16,1,.3,1);color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--blanc);color:var(--noir);font-family:var(--ff);font-size:16px;line-height:1.6;padding-inline:var(--gutter);padding-block:0 84px;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3{margin:0;font-family:var(--ff-display);font-weight:700;line-height:.98;letter-spacing:0;text-transform:uppercase;text-wrap:balance}
h3{font-size:1.7rem}
p{margin:0}
.wrap{max-width:var(--max);margin-inline:auto}
:focus-visible{outline:2px solid var(--rouge);outline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--ff-display);font-size:1rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--rouge);margin:0}
.eyebrow::before{content:"";width:14px;height:14px;background:var(--rouge);clip-path:polygon(0 100%,50% 0,100% 100%)}
.eyebrow.clair{color:#fff}.eyebrow.clair::before{background:var(--rouge)}
.lead{color:var(--gris);font-size:1.05rem}

.demo-note{margin:0 calc(-1*var(--gutter));background:#000;color:#9a9a9a;font-size:.72rem;letter-spacing:.03em;text-align:center;padding:.45rem var(--gutter)}
.demo-note strong{color:#fff;font-weight:600}

/* nav */
.nav{position:sticky;top:0;z-index:30;margin:0 calc(-1*var(--gutter));padding:0 var(--gutter);background:var(--noir);color:#fff;border-bottom:3px solid var(--rouge)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:72px}
.brand img{width:170px;height:auto}
.nav-links{display:none;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav-links a{white-space:nowrap;text-decoration:none;font-family:var(--ff-display);font-size:1.1rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#ddd;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-actions{display:flex;gap:.7rem;align-items:center}
.tel{display:none;white-space:nowrap;align-items:center;gap:.45rem;text-decoration:none;font-family:var(--ff-display);font-size:1.25rem;font-weight:700;letter-spacing:.03em;color:#fff}
.tel svg{width:18px;height:18px;fill:none;stroke:var(--rouge);stroke-width:2;stroke-linejoin:round}
.nav .nav-cta{display:none}
@media (min-width:1100px){.nav-links{display:flex}.nav .nav-cta{display:inline-flex}.nav-tel{display:inline-flex}}
@media (min-width:960px) and (max-width:1099px){.nav-links{display:flex;gap:1.1rem}.nav .nav-cta{display:inline-flex}}

/* boutons */
.btn{display:inline-flex;white-space:nowrap;align-items:center;justify-content:center;gap:.55rem;padding:.95rem 1.5rem;border-radius:4px;font-family:var(--ff-display);font-weight:700;font-size:1.15rem;letter-spacing:.05em;text-transform:uppercase;text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1;transition:transform .25s var(--ease),background .2s,color .2s,border-color .2s;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-rouge{background:var(--rouge);color:#fff;border-color:var(--rouge)}
.btn-rouge:hover{background:var(--rouge-2);border-color:var(--rouge-2)}
.btn-noir{background:var(--noir);color:#fff;border-color:var(--noir)}
.btn-noir:hover{background:#000}
.btn-blanc{background:#fff;color:var(--noir);border-color:#fff}
.btn-blanc:hover{background:var(--gris-clair)}
.btn-sm{padding:.7rem 1.1rem;font-size:1rem}

/* burger + menu */
.burger{display:inline-grid;gap:5px;width:44px;height:44px;place-content:center;background:transparent;border:1px solid #444;border-radius:4px;cursor:pointer;padding:0}
.burger span{display:block;width:20px;height:2px;background:#fff;transition:transform .45s var(--ease),opacity .25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-mobile[hidden]{display:none}
.menu-mobile{position:fixed;inset:0;z-index:29;background:var(--noir);color:#fff;padding:calc(var(--menu-top,72px) + 1rem) var(--gutter) 2rem;display:flex;flex-direction:column;justify-content:space-between;overflow:auto;overscroll-behavior:contain;opacity:0;transform:translateY(-8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.menu-mobile.open{opacity:1;transform:none}
.menu-mobile ul{list-style:none;margin:0;padding:0}
.menu-mobile li{position:relative;opacity:0;transform:translateX(-18px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:calc(var(--i,0)*60ms + 100ms)}
.menu-mobile li::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:#333;transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease);transition-delay:calc(var(--i,0)*60ms + 220ms)}
.menu-mobile.open li{opacity:1;transform:none}.menu-mobile.open li::after{transform:scaleX(1)}
.menu-mobile li a{display:block;padding:1rem 0;text-decoration:none;font-family:var(--ff-display);font-size:2.4rem;font-weight:700;text-transform:uppercase}
.menu-actions{display:grid;gap:.7rem;padding-top:1.5rem;opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:.45s}
.menu-mobile.open .menu-actions{opacity:1;transform:none}
.menu-mobile.closing li,.menu-mobile.closing .menu-actions{transition-delay:0s;transition-duration:.25s}
.menu-mobile .btn-noir{background:#fff;color:var(--noir);border-color:#fff}
body.menu-open{position:fixed;left:0;right:0;width:100%;overflow:hidden}
body.menu-open .mobile-bar{display:none}
body.menu-open .nav{position:fixed;top:0;left:0;right:0;margin:0;z-index:31}
@media (min-width:960px){.burger{display:none}.menu-mobile{display:none!important}}

/* hero : texte + photo coupée en pente de toit */
.hero{padding-block:3rem 0}
.hero-grid{display:grid;gap:2.2rem;align-items:center}
.hero-texte{display:grid;gap:1.3rem;justify-items:start}
.hero h1{font-size:clamp(3rem,8vw,6.2rem);font-weight:800;max-width:12ch}
.hero h1 span{color:var(--rouge)}
.hero .lead{max-width:52ch}
.cta-row{display:flex;flex-wrap:wrap;gap:.7rem}
.badge-google{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;border:1px solid var(--ligne);border-radius:4px;padding:.55rem .9rem;font-size:.86rem;color:var(--gris)}
.badge-google .g{font-family:Arial,sans-serif;font-weight:700;font-size:1.2rem;color:#4285F4}
.badge-google .etoiles{color:#F4B400;letter-spacing:.05em;font-size:1rem}
.badge-google b{color:var(--noir)}
.hero-photo{margin:0 calc(-1*var(--gutter)) 0;position:relative}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - var(--pente)))}
.hero-photo figcaption{position:absolute;left:var(--gutter);bottom:calc(var(--pente) + .5rem);background:var(--rouge);color:#fff;padding:.9rem 1.1rem;display:flex;align-items:center;gap:.6rem;font-family:var(--ff-display);text-transform:uppercase;line-height:.95;font-weight:600;font-size:.95rem;letter-spacing:.04em}
.hero-photo figcaption b{font-size:3.2rem;font-weight:800;line-height:.9;font-variant-numeric:tabular-nums}
@media (min-width:960px){.hero{padding-block:4.5rem 0}.hero-grid{grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:stretch}.hero-texte{padding-bottom:3.5rem;align-content:center}.hero-photo{margin:0 calc(-1*var(--gutter)) 0 0;min-height:560px}.hero-photo img{aspect-ratio:auto;height:100%;position:absolute;inset:0;clip-path:polygon(0 var(--pente),100% 0,100% 100%,0 100%)}.hero-photo figcaption{left:-1rem;bottom:2rem}}

/* bande défilante */
.bande{margin:0 calc(-1*var(--gutter));background:var(--noir);color:#fff;overflow:hidden;padding-block:.7rem}
.bande-in{display:flex;gap:2.5rem;width:max-content;animation:defile 30s linear infinite;font-family:var(--ff-display);font-weight:700;font-size:1.25rem;text-transform:uppercase;letter-spacing:.08em}
.bande-in span::before{content:"";display:inline-block;width:10px;height:10px;background:var(--rouge);margin-right:2.5rem;vertical-align:middle;clip-path:polygon(0 100%,50% 0,100% 100%)}
@keyframes defile{to{transform:translateX(-50%)}}

/* sections */
.section{padding-block:4.5rem}
@media (min-width:900px){.section{padding-block:6.5rem}}
.section-head{display:grid;gap:1rem;margin-bottom:2.4rem}
.section-head h2{font-size:clamp(2.4rem,5.6vw,4rem);margin-top:.7rem}
.section-head>p{color:var(--gris);max-width:54ch}
@media (min-width:900px){.section-head{grid-template-columns:1.1fr 1fr;align-items:end;gap:3rem}.section-head>p{justify-self:end;padding-bottom:.3rem}}

/* prestations : mosaïque photo */
.prestations{display:grid;gap:1rem;grid-template-columns:repeat(2,1fr)}
.presta{position:relative;overflow:hidden;background:var(--noir);color:#fff;aspect-ratio:1;display:grid;align-items:end}
.presta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),opacity .4s}
.presta:hover img{transform:scale(1.05)}
.presta-texte{position:relative;padding:1.1rem;background:linear-gradient(transparent,rgba(0,0,0,.85) 55%);display:grid;gap:.3rem;padding-top:3.5rem}
.presta h3{font-size:1.6rem}
.presta h3::before{content:"";display:block;width:26px;height:3px;background:var(--rouge);margin-bottom:.5rem}
.presta p{font-size:.82rem;color:#ddd;line-height:1.45}
.presta.grande{grid-column:span 2;aspect-ratio:2/1}
.presta.grande h3{font-size:2.2rem}.presta.grande p{font-size:.92rem;max-width:60ch}
@media (min-width:760px){.prestations{grid-template-columns:repeat(4,1fr);gap:1.2rem}.presta.grande{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}.presta:not(.grande){aspect-ratio:1}}

/* bande devis */
.devis-bande{margin:0 calc(-1*var(--gutter));padding:4rem var(--gutter);background:var(--noir);color:#fff;position:relative;clip-path:polygon(0 0,100% var(--pente),100% 100%,0 100%);padding-top:calc(var(--pente) + 3rem)}
.devis-grid{display:grid;gap:2rem;align-items:center}
.devis-bande h2{font-size:clamp(2.2rem,5vw,3.6rem);margin:.7rem 0 1rem}
.devis-bande p{color:#c9c9c9;max-width:56ch}
.devis-actions{display:grid;gap:.7rem;justify-items:start}
.devis-actions .fine{font-size:.86rem;color:#9a9a9a}
@media (min-width:900px){.devis-grid{grid-template-columns:1.2fr .8fr;gap:4rem}.devis-actions{justify-items:end;text-align:right}.devis-bande{padding-bottom:5rem}}

/* galerie */
.galerie{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}
.galerie figure{margin:0;position:relative;overflow:hidden;background:var(--gris-clair)}
.galerie img{width:100%;aspect-ratio:1;object-fit:cover;transition:transform .7s var(--ease)}
.galerie figure:hover img{transform:scale(1.04)}
.galerie figcaption{position:absolute;left:0;bottom:0;background:rgba(17,17,17,.85);color:#fff;font-family:var(--ff-display);font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;padding:.4rem .7rem}
.galerie .h2{grid-column:span 2}.galerie .h2 img{aspect-ratio:2/1}
.galerie-note{margin-top:1.2rem;font-size:.9rem;color:var(--gris)}
.galerie-note a{color:var(--rouge);font-weight:600}
@media (min-width:760px){.galerie{grid-template-columns:repeat(4,1fr);gap:1rem}.galerie .h2{grid-column:span 2;grid-row:span 2}.galerie .h2 img{aspect-ratio:auto;height:100%}}

/* pourquoi */
.pourquoi{background:var(--gris-clair);margin:0 calc(-1*var(--gutter));padding-inline:var(--gutter)}
.engagements{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.engagements li{background:#fff;padding:1.4rem 1.3rem;display:grid;gap:.4rem;border-top:4px solid var(--rouge)}
.engagements b{font-family:var(--ff-display);font-size:1.5rem;font-weight:700;text-transform:uppercase;line-height:1}
.engagements span{font-size:.9rem;color:var(--gris)}
.fournisseurs{margin-top:2.5rem;display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}
.fournisseurs span{font-family:var(--ff-display);font-size:1rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gris)}
.fournisseurs img{height:56px;width:auto;filter:grayscale(1);opacity:.7;transition:filter .3s,opacity .3s}
.fournisseurs img:hover{filter:none;opacity:1}
@media (min-width:760px){.engagements{grid-template-columns:repeat(5,1fr);gap:1rem}}
@media (min-width:600px) and (max-width:759px){.engagements{grid-template-columns:repeat(2,1fr)}}

/* avis Google : statique, sans script tiers */
.avis-resume{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem;align-items:center;border:1px solid var(--ligne);padding:1.2rem 1.4rem;margin-bottom:1.6rem;background:#fff}
.avis-resume .g{grid-row:span 2;font-family:Arial,sans-serif;font-weight:700;font-size:2.2rem;color:#4285F4;width:56px;height:56px;border:1px solid var(--ligne);border-radius:50%;display:grid;place-items:center}
.avis-resume>div:not(.avis-liens){display:flex;align-items:baseline;gap:.8rem}
.avis-resume b{font-family:var(--ff-display);font-size:2.6rem;font-weight:800;line-height:1}
.etoiles{color:#F4B400;letter-spacing:.06em;font-size:1.05rem}
.avis-resume p{font-size:.9rem;color:var(--gris)}
.avis-liens{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1.2rem;padding-top:.6rem;border-top:1px solid var(--ligne);margin-top:.4rem}
.avis-liens .lien{font-size:.9rem;font-weight:600;color:var(--rouge)}
@media (min-width:760px){.avis-resume{grid-template-columns:auto auto 1fr auto;gap:0 1.4rem}.avis-resume .g{grid-row:auto}.avis-resume p{grid-column:auto}.avis-liens{grid-column:auto;border:0;padding:0;margin:0;justify-content:flex-end}}
.avis-grille{display:grid;gap:1rem}
.avis-carte{border:1px solid var(--ligne);padding:1.3rem 1.3rem 1.4rem;display:grid;gap:.9rem;align-content:start;background:#fff}
.avis-carte header{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;align-items:center}
.avis-carte header i{grid-row:span 2;width:42px;height:42px;border-radius:50%;background:var(--noir);color:#fff;display:grid;place-items:center;font-style:normal;font-family:var(--ff-display);font-weight:700;font-size:1.05rem;letter-spacing:.04em}
.avis-carte header b{font-size:.92rem;font-weight:600;display:block;line-height:1.2}
.avis-carte header div span{font-size:.78rem;color:var(--gris)}
.avis-carte header .etoiles{grid-column:2;font-size:.95rem}
.avis-carte p{font-size:.92rem;color:#3a3f44;line-height:1.55}
.js .avis-carte.long p{display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}
.js .avis-carte.long.ouvert p{display:block}
.avis-carte .plus{justify-self:start;background:none;border:0;padding:0;font:inherit;font-size:.85rem;font-weight:600;color:var(--rouge);cursor:pointer;text-decoration:underline}
.avis-carte:not(.long) .plus{display:none}
@media (min-width:700px){.avis-grille{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.avis-grille{grid-template-columns:repeat(3,1fr);gap:1.2rem}}

/* zone */
.zone-grid{display:grid;gap:2rem;align-items:start}
.zone h2{font-size:clamp(2.2rem,5vw,3.6rem);margin:.7rem 0 1rem}
.villes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--ligne)}
.villes li{padding:.7rem 0;border-bottom:1px solid var(--ligne);font-family:var(--ff-display);font-size:1.25rem;font-weight:600;text-transform:uppercase;letter-spacing:.02em}
.villes li::before{content:"";display:inline-block;width:8px;height:8px;background:var(--rouge);margin-right:.6rem;clip-path:polygon(0 100%,50% 0,100% 100%)}
.villes li:last-child{color:var(--gris);font-weight:500}
@media (min-width:900px){.zone-grid{grid-template-columns:1fr 1fr;gap:4rem}}

/* contact */
.contact{background:var(--noir);color:#fff;margin:0 calc(-1*var(--gutter));padding-inline:var(--gutter);clip-path:polygon(0 var(--pente),100% 0,100% 100%,0 100%);padding-top:calc(var(--pente) + 3.5rem)}
.contact-grid{display:grid;gap:2.5rem}
.contact h2{font-size:clamp(2.4rem,5.6vw,4rem);margin:.7rem 0 1rem}
.contact .lead{color:#c9c9c9;max-width:44ch}
.coord{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:1.1rem}
.coord li{display:grid;gap:.1rem;font-size:.95rem}
.coord b{font-family:var(--ff-display);font-size:.95rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rouge);font-weight:600}
.coord a{text-decoration:none;font-family:var(--ff-display);font-size:1.8rem;font-weight:700;letter-spacing:.02em;line-height:1.1}
.coord a:hover{color:var(--rouge)}
.coord span{color:#b5b5b5;font-size:.9rem}
.formulaire{background:#fff;color:var(--noir);padding:1.6rem;display:grid;gap:1rem}
.formulaire label{display:grid;gap:.4rem;font-family:var(--ff-display);font-size:1rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.formulaire input,.formulaire select,.formulaire textarea{font:inherit;font-family:var(--ff);font-size:.95rem;font-weight:400;text-transform:none;letter-spacing:0;padding:.8rem .9rem;border:1px solid var(--ligne);border-radius:4px;background:#fff;color:var(--noir);width:100%}
.formulaire input:focus,.formulaire select:focus,.formulaire textarea:focus{outline:2px solid var(--rouge);outline-offset:0;border-color:var(--rouge)}
.formulaire textarea{resize:vertical}
.formulaire .deux{display:grid;gap:1rem;grid-template-columns:1fr 1fr}
.formulaire .fine{font-family:var(--ff);font-size:.82rem;color:var(--gris);text-align:center;text-transform:none;letter-spacing:0}
@media (min-width:900px){.contact-grid{grid-template-columns:1fr 1fr;gap:5rem;align-items:start}.formulaire{padding:2rem}.contact{padding-top:calc(var(--pente) + 4rem)}}

/* footer */
.footer{padding-block:2.5rem 1rem;color:var(--gris);font-size:.86rem}
.footer .cols{display:grid;gap:1.6rem;grid-template-columns:repeat(2,1fr)}
.footer-logo{width:200px;background:var(--noir);padding:.5rem .7rem;border-radius:4px}
.footer .cols>div:first-child p{margin-top:.9rem;max-width:32ch}
.footer h4{margin:0 0 .6rem;font-family:var(--ff-display);font-size:1rem;letter-spacing:.12em;text-transform:uppercase;color:var(--noir)}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.3rem}
.footer a{text-decoration:none}.footer a:hover{color:var(--rouge)}
.footer .legal{border-top:1px solid var(--ligne);margin-top:2rem;padding-top:1rem;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;font-size:.76rem}
@media (min-width:760px){.footer .cols{grid-template-columns:1.6fr 1fr 1fr 1fr}}

.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;gap:.5rem;padding:.6rem var(--gutter) calc(.6rem + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--ligne)}
.mobile-bar .btn{flex:1;padding-inline:.6rem;font-size:1rem}
.mobile-bar .btn-noir{flex:0 0 auto;padding-inline:1.2rem}
@media (min-width:960px){.mobile-bar{display:none}body{padding-bottom:0}}

/* mouvement */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.js .hero .eyebrow{animation:rise .8s var(--ease) .1s both}
.js .hero h1{animation:rise .9s var(--ease) .25s both}
.js .hero .lead{animation:rise .8s var(--ease) .4s both}
.js .hero .cta-row,.js .hero .badge-google{animation:rise .8s var(--ease) .55s both}
.js .hero-photo{animation:rise 1s var(--ease) .5s both}
.js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--i,0)*60ms)}
.js [data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js *,.js *::before,.js *::after{animation:none!important;transition:none!important}.js [data-reveal]{opacity:1;transform:none}.menu-mobile,.menu-mobile li,.menu-mobile .menu-actions{opacity:1;transform:none}}