/* =========================================================
   DD DESIGN — Entreprise Générale de Bâtiment
   Feuille de style principale
   Palette dérivée du logo : ocre/or + gris anthracite
   ========================================================= */

/* ---------- Polices auto-hébergées ---------- */
@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:'Manrope';
  src:url('../fonts/manrope-700.woff2') format('woff2');
  font-weight:700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Manrope';
  src:url('../fonts/manrope-800.woff2') format('woff2');
  font-weight:800;font-style:normal;font-display:swap;
}

/* ---------- Variables ---------- */
:root{
  --ink:#26282a;
  --charcoal:#3a3d40;
  --charcoal-2:#4c4f53;
  --gold:#b97f24;
  --gold-bright:#cb8d33;
  --gold-tint:#f4ead7;
  --paper:#faf8f5;
  --paper-2:#f1ece3;
  --line:#e5ddd1;
  --white:#ffffff;
  --muted:#6c6a66;
  --shadow:0 18px 40px -22px rgba(38,40,42,.45);
  --maxw:1200px;
  --r:4px;
}

*{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:'Manrope','Inter',sans-serif;font-weight:800;line-height:1.08;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;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1rem}
a{color:var(--gold);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:#e9e7e3}
.bg-ink h2,.bg-ink h3{color:#fff}

/* ---------- Eyebrow / titres de section ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Manrope',sans-serif;font-weight:700;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.lead{font-size:1.12rem;color:#46474a;max-width:60ch}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Manrope',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--gold{background:var(--gold-bright);color:var(--ink);border-color:var(--gold-bright)}
.btn--gold:hover{background:#bd8128;border-color:#bd8128}
.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}

/* ---------- Lien d'évitement ---------- */
.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 ease;border-bottom:1px solid transparent;
}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Manrope',sans-serif;font-weight:800}
.brand img{height:62px;width:auto}
.brand .brand-txt{display:none}
.site-nav ul{display:flex;align-items:center;gap:30px;list-style:none}
.site-nav a{
  font-family:'Manrope',sans-serif;font-weight:700;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(--gold);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:'Manrope',sans-serif;font-weight:700;color:var(--ink);font-size:.95rem;white-space:nowrap}
.header-phone svg{width:18px;height:18px;fill:var(--gold)}

/* état transparent au-dessus du hero */
.site-header.over-hero{background:transparent}
.site-header.over-hero .brand-txt,
.site-header.over-hero .site-nav a,
.site-header.over-hero .header-phone{color:#fff}
.site-header.over-hero .site-nav a::after{background:var(--gold-bright)}
/* état solide */
.site-header.solid{background:rgba(250,248,245,.96);backdrop-filter:saturate(1.1) blur(6px);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(0,0,0,.4)}

/* burger */
.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}

/* ---------- 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(28,29,31,.86) 0%,rgba(28,29,31,.55) 45%,rgba(28,29,31,.18) 100%)}
.hero__inner{padding:130px 0 64px}
.hero__panel{max-width:680px}
.hero h1{color:#fff;font-size:clamp(2.3rem,6vw,4.3rem);letter-spacing:-.025em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--gold-bright)}
.hero__sub{font-size:1.18rem;color:#ece9e4;max-width:54ch;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:'Manrope',sans-serif;font-weight:800;font-size:1.7rem;color:var(--gold-bright);display:block;line-height:1}
.hero__meta .lbl{font-size:.86rem;color:#d9d6d1}

/* ---------- Intro métier (asymétrique) ---------- */
.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(--gold-bright);color:var(--ink);
  font-family:'Manrope',sans-serif;font-weight:800;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(--gold);border-bottom:2px solid var(--gold);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:'Manrope',sans-serif;font-weight:800;font-size:1.05rem;color:var(--gold);padding-top:3px}
.svc h3{margin-bottom:6px}
.svc p{margin:0;color:#56565a;font-size:.97rem}

/* ---------- Réalisations grille ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.proj-grid--home{grid-template-columns:repeat(3,1fr)}
.proj{position:relative;border-radius:var(--r);overflow:hidden;cursor:pointer;background:#ddd;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:20px;
  background:linear-gradient(0deg,rgba(24,25,27,.82) 0%,rgba(24,25,27,.15) 55%,transparent 100%);color:#fff}
.proj__cat{font-family:'Manrope',sans-serif;font-weight:700;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-bright)}
.proj__title{font-family:'Manrope',sans-serif;font-weight:800;font-size:1.12rem;margin-top:4px}
.proj__count{position:absolute;top:14px;right:14px;background:rgba(255,255,255,.92);color:var(--ink);font-family:'Manrope',sans-serif;font-weight:700;font-size:.78rem;padding:5px 11px;border-radius:99px;display:inline-flex;gap:6px;align-items:center}
.proj__count svg{width:13px;height:13px;fill:var(--gold)}

/* ---------- Marquee partenaires ---------- */
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;align-items:center;gap:64px;width:max-content;animation:scroll-x 38s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee img{height:46px;width:auto;opacity:.62;filter:grayscale(100%);transition:.25s;flex:0 0 auto}
.marquee img:hover{opacity:1;filter:grayscale(0)}
@keyframes scroll-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none;flex-wrap:wrap;justify-content:center;width:auto}}

/* ---------- Méthode / étapes ---------- */
.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:'Manrope',sans-serif;font-weight:800;font-size:2.2rem;color:var(--gold-tint);position:absolute;top:14px;right:18px}
.bg-ink .step{background:#303234;border-color:#3f4143}
.bg-ink .step::before{color:#4a4136}
.step h3{font-size:1.06rem}
.step p{font-size:.93rem;color:#57585b;margin:0}
.bg-ink .step p{color:#bdbab5}

/* ---------- Bande CTA ---------- */
.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:18ch}
.cta-band .sub{color:#c8c5c0;margin:8px 0 0}

/* ---------- Page bannière (intérieur) ---------- */
.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(26,27,29,.88),rgba(26,27,29,.5))}
.pagehead h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem)}
.breadcrumb{font-size:.85rem;color:#cfccc7;margin-top:8px}
.breadcrumb a{color:var(--gold-bright)}

/* ---------- Bloc avis / placeholder ---------- */
.note-box{border:1px dashed var(--gold);background:var(--gold-tint);border-radius:var(--r);padding:22px 26px;color:#6c5a36}

/* ---------- Contact ---------- */
.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(--gold-tint);display:flex;align-items:center;justify-content:center}
.info-card .ico svg{width:21px;height:21px;fill:var(--gold)}
.info-card h3{font-size:1rem;margin:0 0 2px}
.info-card a,.info-card span{color:#46474a}

form .field{margin-bottom:18px}
form label{display:block;font-family:'Manrope',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(--gold);border-color:var(--gold)}
form textarea{min-height:140px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:#56565a}
.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}

/* ---------- Pied de page ---------- */
.site-footer{background:#1c1d1f;color:#bdbab5;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-family:'Manrope',sans-serif;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase;margin:0 0 16px}
.site-footer a{color:#bdbab5}
.site-footer a:hover{color:var(--gold-bright)}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-brand img{height:72px;width:auto;object-fit:contain;margin-bottom:16px}
.footer-brand p{font-size:.92rem;color:#9a9893;max-width:34ch}
.footer-bottom{border-top:1px solid #2e2f31;margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#86847f}

/* ---------- WhatsApp flottant ---------- */
.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}

/* ---------- Bannière cookies ---------- */
#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:#46474a}
#cookie-banner .row{display:flex;gap:10px;flex-wrap:wrap}
#cookie-banner button{font-family:'Manrope',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(--gold-bright);border-color:var(--gold-bright);color:var(--ink)}
#cookie-decline{background:#fff;color:var(--ink)}

/* ---------- Lightbox ---------- */
.lb{position:fixed;inset:0;z-index:200;background:rgba(18,19,20,.94);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(--gold-bright);color:var(--ink)}
.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(--gold-bright);color:var(--ink)}

/* ---------- Prose (légal) ---------- */
.prose{max-width:760px}
.prose h2{font-size:1.5rem;margin-top:2em}
.prose h3{margin-top:1.4em}
.prose p,.prose li{color:#44454a}
.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(--gold);padding:12px 16px;font-size:.92rem}

/* ---------- Utilitaires ---------- */
.mt0{margin-top:0}.center{text-align:center}.mx-auto{margin-left:auto;margin-right:auto}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@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,.proj-grid--home{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:760px){
  body{font-size:16px}
  .section{padding:60px 0}
  .header-phone{display:none}
  .header-cta .btn{padding:10px 16px;min-height:42px;font-size:.9rem}
  .nav-toggle{display:flex}
  .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}
  .site-nav .btn{margin-top:16px;width:100%;justify-content:center}
  .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(28,29,31,.9),rgba(28,29,31,.45))}
  .footer-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .proj-grid,.proj-grid--home{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}