/* =========================================================
   BMP — Menuiserie & Rénovation
   Palette dérivée du logo : noir anthracite + bleu
   ========================================================= */

@font-face{font-family:'Inter';src:url('../fonts/inter-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('../fonts/inter-600.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Plex';src:url('../fonts/plex-600.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Plex';src:url('../fonts/plex-700.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}

:root{
  --ink:#171717;
  --ink-2:#2a2c2f;
  --blue:#0c5aa3;
  --blue-bright:#1769c4;
  --blue-tint:#e7f0f9;
  --paper:#f5f7fa;
  --paper-2:#eaeef3;
  --line:#dce2e9;
  --white:#fff;
  --muted:#5f6671;
  --shadow:0 18px 42px -22px rgba(15,23,35,.5);
  --maxw:1200px;
  --r:3px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Plex','Inter',sans-serif;font-weight:700;line-height:1.1;color:var(--ink);margin:0 0 .5em}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);letter-spacing:-.02em}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0 0 1rem}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
ul{margin:0;padding:0}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--tight{padding:56px 0}
.bg-paper2{background:var(--paper-2)}
.bg-ink{background:var(--ink);color:#e7e9ec}
.bg-ink h2,.bg-ink h3{color:#fff}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:'Plex',sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--blue)}
.bg-ink .eyebrow{color:#5ea2e0}
.bg-ink .eyebrow::before{background:#5ea2e0}
.lead{font-size:1.12rem;color:#3f4751;max-width:60ch}
.bg-ink .lead{color:#c4c8cd}

.btn{display:inline-flex;align-items:center;gap:10px;font-family:'Plex',sans-serif;font-weight:700;font-size:.97rem;padding:14px 26px;border-radius:var(--r);border:2px solid transparent;cursor:pointer;transition:.18s ease;text-decoration:none;line-height:1;min-height:48px}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn--blue:hover{background:var(--blue-bright);border-color:var(--blue-bright)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:200}
.skip-link:focus{left:8px;top:8px}

/* En-tête */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.25s;border-bottom:1px solid transparent}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px}
.brand img{height:54px;width:auto;display:block}
.brand .logo-blanc{display:none}
.site-nav ul{display:flex;align-items:center;gap:30px;list-style:none}
.site-nav a{font-family:'Plex',sans-serif;font-weight:600;font-size:.95rem;color:var(--ink);text-decoration:none;padding:6px 0;position:relative}
.site-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--blue);transition:right .22s ease}
.site-nav a:hover::after,.site-nav a[aria-current="page"]::after{right:0}
.header-cta{display:flex;align-items:center;gap:18px}
.header-phone{display:inline-flex;align-items:center;gap:8px;font-family:'Plex',sans-serif;font-weight:700;color:var(--ink);font-size:.95rem;white-space:nowrap}
.header-phone svg{width:18px;height:18px;fill:var(--blue)}
.site-header.over-hero{background:transparent}
.site-header.over-hero .site-nav a,.site-header.over-hero .header-phone{color:#fff}
.site-header.over-hero .brand .logo-blanc{display:block}
.site-header.over-hero .brand .logo-color{display:none}
.site-header.over-hero .site-nav a::after{background:#5ea2e0}
.site-header.solid{background:rgba(245,247,250,.96);backdrop-filter:saturate(1.1) blur(6px);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(0,0,0,.4)}
.nav-toggle{display:none;background:none;border:0;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:24px;height:2px;background:var(--ink);position:relative;transition:.2s}
.nav-toggle span::before{position:absolute;top:-7px}
.nav-toggle span::after{position:absolute;top:7px}
.over-hero .nav-toggle span,.over-hero .nav-toggle span::before,.over-hero .nav-toggle span::after{background:#fff}
.nav-close{display:none;position:absolute;top:16px;right:18px;width:44px;height:44px;border:0;background:none;color:var(--ink);font-size:2.1rem;line-height:1;cursor:pointer;border-radius:50%}
.nav-close:hover{background:var(--paper-2)}

/* Hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:-2}
.hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.4s ease}
.hero__media img.active{opacity:1}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(14,18,24,.88) 0%,rgba(14,18,24,.6) 45%,rgba(14,18,24,.25) 100%)}
.hero__inner{padding:130px 0 64px}
.hero__panel{max-width:700px}
.hero h1{color:#fff;font-size:clamp(2.3rem,6vw,4.2rem);letter-spacing:-.025em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#5ea2e0}
.hero__sub{font-size:1.18rem;color:#e7e9ec;max-width:56ch;margin-bottom:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__meta{margin-top:34px;display:flex;flex-wrap:wrap;gap:26px 40px;border-top:1px solid rgba(255,255,255,.18);padding-top:24px}
.hero__meta .num{font-family:'Plex',sans-serif;font-weight:700;font-size:1.55rem;color:#5ea2e0;display:block;line-height:1}
.hero__meta .lbl{font-size:.86rem;color:#cfd3d8}

/* Split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.split--reverse .split__media{order:2}
.split__media{position:relative}
.split__media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r)}
.split__media .tag{position:absolute;left:-14px;bottom:26px;background:var(--blue);color:#fff;font-family:'Plex',sans-serif;font-weight:700;padding:14px 20px;border-radius:var(--r);box-shadow:var(--shadow);font-size:.95rem}
.checklist{list-style:none;margin:18px 0 26px}
.checklist li{position:relative;padding:7px 0 7px 32px;border-bottom:1px solid var(--line)}
.checklist li::before{content:"";position:absolute;left:2px;top:14px;width:14px;height:8px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}

/* Prestations */
.svc-list{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.svc{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:28px 0;border-top:1px solid var(--line)}
.svc__num{font-family:'Plex',sans-serif;font-weight:700;font-size:1.05rem;color:var(--blue);padding-top:3px}
.svc h3{margin-bottom:6px}
.svc p{margin:0;color:#525a64;font-size:.97rem}

/* Heritage band */
.heritage{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.heritage .item{padding:30px 18px;background:#222426;border:1px solid #303234;border-radius:var(--r)}
.heritage .yr{font-family:'Plex',sans-serif;font-weight:700;font-size:2.6rem;color:#5ea2e0;line-height:1}
.heritage .t{font-weight:600;margin:8px 0 4px;color:#fff}
.heritage .d{font-size:.92rem;color:#b9bdc2;margin:0}

/* Galeries + filtres */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.tab{font-family:'Plex',sans-serif;font-weight:700;font-size:.95rem;padding:11px 22px;border-radius:99px;border:2px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:.18s}
.tab:hover{border-color:var(--blue)}
.tab.active{background:var(--ink);border-color:var(--ink);color:#fff}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.proj{position:relative;border-radius:var(--r);overflow:hidden;cursor:pointer;background:#dde;aspect-ratio:4/3;border:0;padding:0;width:100%;text-align:left;display:block}
.proj img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.proj:hover img,.proj:focus-visible img{transform:scale(1.06)}
.proj__overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;background:linear-gradient(0deg,rgba(15,19,25,.82),rgba(15,19,25,.12) 55%,transparent);color:#fff;opacity:0;transition:.25s}
.proj:hover .proj__overlay,.proj:focus-visible .proj__overlay{opacity:1}
.proj__cat{font-family:'Plex',sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#7fb4e6}
.proj.is-hidden{display:none}
.proj__zoom{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;opacity:0;transition:.25s}
.proj:hover .proj__zoom,.proj:focus-visible .proj__zoom{opacity:1}
.proj__zoom svg{width:16px;height:16px;fill:var(--blue)}

/* Méthode */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:'Plex',sans-serif;font-weight:700;font-size:2.2rem;color:var(--blue-tint);position:absolute;top:14px;right:18px}
.bg-ink .step{background:#222426;border-color:#303234}
.bg-ink .step::before{color:#2c3a49}
.step h3{font-size:1.06rem}
.step p{font-size:.93rem;color:#525a64;margin:0}
.bg-ink .step p{color:#b9bdc2}

.cta-band{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{margin:0;color:#fff;max-width:20ch}
.cta-band .sub{color:#c4c8cd;margin:8px 0 0}

.pagehead{position:relative;color:#fff;padding:150px 0 60px;overflow:hidden}
.pagehead__media{position:absolute;inset:0;z-index:-2}
.pagehead__media img{width:100%;height:100%;object-fit:cover}
.pagehead::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(14,18,24,.9),rgba(14,18,24,.55))}
.pagehead h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem)}
.breadcrumb{font-size:.85rem;color:#cfd3d8;margin-top:8px}
.breadcrumb a{color:#7fb4e6}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.info-card{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.info-card .ico{flex:0 0 44px;height:44px;border-radius:var(--r);background:var(--blue-tint);display:flex;align-items:center;justify-content:center}
.info-card .ico svg{width:21px;height:21px;fill:var(--blue)}
.info-card h3{font-size:1rem;margin:0 0 2px}
.info-card a,.info-card span{color:#3f4751}
form .field{margin-bottom:18px}
form label{display:block;font-family:'Plex',sans-serif;font-weight:700;font-size:.9rem;margin-bottom:6px}
form input,form textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);font:inherit;background:#fff;color:var(--ink)}
form input:focus,form textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
form textarea{min-height:140px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:#525a64}
.consent input{width:auto;margin-top:4px;flex:0 0 auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-alert{padding:13px 16px;border-radius:var(--r);margin-bottom:18px;font-size:.95rem}
.form-alert--err{background:#fbe9e7;color:#8a2a20;border:1px solid #e8b4ad}

.site-footer{background:#141414;color:#b9bdc2;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-family:'Plex',sans-serif;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase;margin:0 0 16px}
.site-footer a{color:#b9bdc2}
.site-footer a:hover{color:#7fb4e6}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-brand img{height:58px;width:auto;object-fit:contain;margin-bottom:16px}
.footer-brand p{font-size:.92rem;color:#9aa0a6;max-width:34ch}
.footer-bottom{border-top:1px solid #2a2a2a;margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#83878c}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px -8px rgba(0,0,0,.5);transition:.2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:32px;height:32px;fill:#fff}

#cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:120;max-width:520px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 20px}
#cookie-banner p{font-size:.9rem;margin:0 0 12px;color:#3f4751}
#cookie-banner .row{display:flex;gap:10px;flex-wrap:wrap}
#cookie-banner button{font-family:'Plex',sans-serif;font-weight:700;font-size:.88rem;padding:9px 16px;border-radius:var(--r);cursor:pointer;border:2px solid var(--ink)}
#cookie-accept{background:var(--blue);border-color:var(--blue);color:#fff}
#cookie-decline{background:#fff;color:var(--ink)}

.lb{position:fixed;inset:0;z-index:200;background:rgba(12,14,17,.95);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:90vw;max-height:82vh;border-radius:var(--r);box-shadow:var(--shadow)}
.lb__cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#eee;font-size:.9rem}
.lb__btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);border:0;color:#fff;width:54px;height:54px;border-radius:50%;font-size:1.6rem;cursor:pointer;transition:.2s}
.lb__btn:hover{background:var(--blue);color:#fff}
.lb__prev{left:18px}.lb__next{right:18px}
.lb__close{position:absolute;top:18px;right:18px;background:rgba(255,255,255,.12);border:0;color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.3rem;cursor:pointer}
.lb__close:hover{background:var(--blue)}

.prose{max-width:760px}
.prose h2{font-size:1.5rem;margin-top:2em}
.prose h3{margin-top:1.4em}
.prose p,.prose li{color:#3f4751}
.prose ul{padding-left:1.2em;margin-bottom:1rem}
.prose li{margin-bottom:.4em}
.prose .muted-note{background:var(--paper-2);border-left:3px solid var(--blue);padding:12px 16px;font-size:.92rem}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.center{text-align:center}

@media (max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split__media{order:0}
  .svc-list{grid-template-columns:1fr;gap:0}
  .proj-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .heritage{grid-template-columns:1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .section{padding:60px 0}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .nav-close{display:flex;align-items:center;justify-content:center}
  .site-nav{position:fixed;inset:0 0 0 auto;width:min(82vw,330px);background:var(--paper);transform:translateX(100%);transition:transform .28s ease;box-shadow:var(--shadow);padding:96px 28px 28px;z-index:99}
  .site-nav.open{transform:none}
  .site-nav ul{flex-direction:column;align-items:flex-start;gap:4px}
  .site-nav a{font-size:1.15rem;padding:12px 0;width:100%;border-bottom:1px solid var(--line);color:var(--ink)!important}
  .over-hero .site-nav a{color:var(--ink)!important}
  .hero{min-height:auto}
  .hero__inner{padding:120px 0 50px}
  .hero::after{background:linear-gradient(0deg,rgba(14,18,24,.92),rgba(14,18,24,.5))}
  .footer-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
}
.nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:98;display:none}
.nav-backdrop.show{display:block}

/* --- Plan / itineraire (carte Google integree) --- */
.map-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:26px}
.map-box{position:relative;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper-2);aspect-ratio:16/7;min-height:300px}
.map-box iframe{display:block;width:100%;height:100%;border:0}
.map-note{font-size:.82rem;color:#5f6671;margin:12px 0 0}
@media (max-width:760px){
  .map-box{aspect-ratio:4/3}
  .map-head{align-items:flex-start}
}