/* ===========================================================
   Marçou MDS — feuille de styles
   Palette noir & doré, sobre et premium
   =========================================================== */

:root{
  --noir:        #0c0c0e;
  --noir-2:      #141418;
  --noir-3:      #1c1c22;
  --carte:       #16161b;
  --ligne:       #2a2a31;
  --or:          #c9a14a;
  --or-clair:    #e8c77a;
  --or-fonce:    #a8842f;
  --creme:       #f4efe6;
  --gris:        #b4afa4;
  --gris-2:      #8b867b;
  --serif:       Georgia, "Times New Roman", serif;
  --sans:        "Helvetica Neue", Arial, sans-serif;
  --max:         1200px;
  --radius:      4px;
  --ombre:       0 18px 50px rgba(0,0,0,.45);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--noir);
  color:var(--creme);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.15;color:var(--creme)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:1.25rem}

.eyebrow{
  font-family:var(--sans);
  font-size:.74rem;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--or);
  font-weight:600;
  margin-bottom:14px;
}
.gold{color:var(--or)}
.lead{color:var(--gris);font-size:1.08rem;max-width:60ch}

/* ---- barre de navigation ---- */
.nav{
  position:sticky;top:0;z-index:70;
  background:rgba(10,10,12,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--ligne);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;gap:20px;
}
.nav-logo img{height:46px;width:auto}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  font-size:.86rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gris);padding:10px 16px;border-radius:var(--radius);
  transition:color .2s, background .2s;
}
.nav-links a:hover{color:var(--creme)}
.nav-links a.active{color:var(--or)}
.nav-cta{
  border:1px solid var(--or)!important;
  color:var(--or)!important;
}
.nav-cta:hover{background:var(--or);color:var(--noir)!important}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:2px;background:var(--creme);margin:5px 0;transition:.3s}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- boutons ---- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-size:.9rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  padding:15px 30px;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s, background .2s, box-shadow .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn-or{
  background:linear-gradient(180deg,var(--or-clair),var(--or-fonce));
  color:var(--noir);box-shadow:0 8px 24px rgba(201,161,74,.28);
}
.btn-or:hover{box-shadow:0 12px 30px rgba(201,161,74,.4)}
.btn-ghost{border-color:var(--ligne);color:var(--creme)}
.btn-ghost:hover{border-color:var(--or);color:var(--or)}

/* ---- sections ---- */
section{padding:88px 0}
.section-head{max-width:62ch;margin-bottom:52px}
.divider{height:1px;background:linear-gradient(90deg,var(--or),transparent);width:90px;margin-top:18px}

/* ---- hero ---- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  padding:0;overflow:hidden;border-bottom:1px solid var(--ligne);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;filter:grayscale(.3) brightness(.42)}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--noir) 8%,rgba(12,12,14,.78) 45%,rgba(12,12,14,.4) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:60px 24px;width:100%}
.hero h1{font-size:clamp(2.4rem,6vw,4.4rem);margin-bottom:22px;max-width:16ch}
.hero p{font-size:1.18rem;color:var(--gris);max-width:48ch;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:34px;margin-top:48px;flex-wrap:wrap;
  padding-top:30px;border-top:1px solid var(--ligne);max-width:560px;
}
.hero-meta .num{font-family:var(--serif);font-size:2rem;color:var(--or);line-height:1}
.hero-meta .lbl{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gris-2);margin-top:6px}

/* ---- bandeau de confiance ---- */
.strip{background:var(--noir-2);border-bottom:1px solid var(--ligne);padding:26px 0}
.strip-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.strip-item{display:flex;align-items:center;gap:12px;color:var(--gris);font-size:.92rem}
.strip-item svg{width:22px;height:22px;flex-shrink:0;stroke:var(--or)}

/* ---- grille services ---- */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.svc-card{
  background:var(--carte);border:1px solid var(--ligne);border-radius:var(--radius);
  padding:32px 28px;transition:border-color .25s, transform .25s;
  position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--or),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.svc-card:hover{border-color:var(--or-fonce);transform:translateY(-4px)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-ico{width:44px;height:44px;margin-bottom:18px;stroke:var(--or);stroke-width:1.4;fill:none}
.svc-card h3{margin-bottom:10px}
.svc-card p{color:var(--gris);font-size:.96rem}

/* ---- galerie réalisations ---- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:38px}
.filter{
  font-family:var(--sans);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--gris);background:var(--noir-2);border:1px solid var(--ligne);
  padding:11px 20px;border-radius:40px;cursor:pointer;transition:.2s;
}
.filter:hover{color:var(--creme);border-color:var(--gris-2)}
.filter.active{background:var(--or);color:var(--noir);border-color:var(--or);font-weight:600}
.filter .count{opacity:.6;margin-left:6px;font-size:.78em}
.filter.active .count{opacity:.8}

.gallery{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));
  gap:16px;
}
.tile{
  position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;
  border:1px solid var(--ligne);background:var(--noir-2);
  aspect-ratio:4/3;
}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s, filter .3s;filter:grayscale(.15)}
.tile:hover img{transform:scale(1.06);filter:grayscale(0)}
.tile-info{
  position:absolute;left:0;right:0;bottom:0;
  padding:34px 16px 14px;
  background:linear-gradient(transparent,rgba(8,8,10,.92));
  transform:translateY(8px);opacity:0;transition:.3s;
}
.tile:hover .tile-info{transform:translateY(0);opacity:1}
.tile-cat{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--or)}
.tile-leg{font-size:.92rem;color:var(--creme);margin-top:2px;font-family:var(--serif)}
.badge{
  position:absolute;top:10px;left:10px;z-index:2;
  font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  padding:5px 10px;border-radius:30px;
}
.badge.avant{background:rgba(12,12,14,.85);color:var(--gris);border:1px solid var(--ligne)}
.badge.apres{background:var(--or);color:var(--noir)}

/* ---- lightbox ---- */
.lb{
  position:fixed;inset:0;z-index:100;display:none;
  background:rgba(6,6,8,.94);align-items:center;justify-content:center;
  padding:30px;
}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:82vh;border-radius:var(--radius);box-shadow:var(--ombre)}
.lb-cap{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:var(--creme);font-family:var(--serif);font-size:1.05rem}
.lb-cap .c{display:block;color:var(--or);font-family:var(--sans);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:4px}
.lb-close,.lb-nav{
  position:absolute;background:rgba(20,20,24,.7);border:1px solid var(--ligne);
  color:var(--creme);width:50px;height:50px;border-radius:50%;cursor:pointer;
  font-size:1.4rem;display:flex;align-items:center;justify-content:center;transition:.2s;
}
.lb-close:hover,.lb-nav:hover{background:var(--or);color:var(--noir);border-color:var(--or)}
.lb-close{top:24px;right:24px}
.lb-nav.prev{left:24px;top:50%;transform:translateY(-50%)}
.lb-nav.next{right:24px;top:50%;transform:translateY(-50%)}

/* ---- bloc CTA ---- */
.cta-band{
  background:
    linear-gradient(rgba(12,12,14,.9),rgba(12,12,14,.9)),
    var(--noir-3);
  border:1px solid var(--ligne);border-radius:var(--radius);
  padding:56px 44px;text-align:center;margin:0 auto;
}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--gris);margin-bottom:30px;max-width:50ch;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---- contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-card{
  background:var(--carte);border:1px solid var(--ligne);border-radius:var(--radius);
  padding:38px 34px;display:flex;flex-direction:column;
}
.contact-card .ico{width:40px;height:40px;stroke:var(--or);stroke-width:1.5;fill:none;margin-bottom:18px}
.contact-card .k{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gris-2)}
.contact-card .v{font-family:var(--serif);font-size:1.5rem;color:var(--creme);margin:6px 0 18px;word-break:break-word}
.contact-card .btn{margin-top:auto;align-self:flex-start}

/* ---- pied de page ---- */
footer{background:var(--noir-2);border-top:1px solid var(--ligne);padding:54px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-grid img{height:50px;margin-bottom:16px}
.foot-grid p{color:var(--gris);font-size:.92rem;max-width:34ch}
.foot-col h4{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--or);margin-bottom:16px}
.foot-col a{display:block;color:var(--gris);font-size:.94rem;padding:5px 0;transition:color .2s}
.foot-col a:hover{color:var(--creme)}
.foot-bottom{border-top:1px solid var(--ligne);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-bottom p{color:var(--gris-2);font-size:.82rem}

/* ---- page header (sous-pages) ---- */
.page-head{
  padding:64px 0 48px;border-bottom:1px solid var(--ligne);
  background:linear-gradient(180deg,var(--noir-2),var(--noir));
}
.page-head h1{font-size:clamp(2rem,5vw,3.2rem);margin-bottom:14px}

/* ---- reveal au scroll (animation seulement si JS actif via .js-on) ---- */
.js-on .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s, transform .6s}
.js-on .reveal.in{opacity:1;transform:none}

/* ---- responsive ---- */
@media(max-width:860px){
  .nav{backdrop-filter:none;background:rgba(10,10,12,.96)}
  .burger{display:block;position:relative;z-index:80}
  .nav-links{
    position:fixed;inset:0;z-index:75;
    flex-direction:column;align-items:center;justify-content:center;gap:8px;
    background:#101015;
    padding:24px;
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .28s ease;
  }
  .nav-links.open{opacity:1;visibility:visible;pointer-events:auto}
  .nav-links a{
    padding:16px 24px;font-size:1.1rem;letter-spacing:.14em;
    width:100%;max-width:320px;text-align:center;
    border-bottom:1px solid var(--ligne);
  }
  .nav-links a:last-child{border-bottom:0}
  .nav-cta{
    margin-top:14px;border:1px solid var(--or)!important;
    border-radius:var(--radius);max-width:320px;
  }
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  section{padding:64px 0}
  .hero-meta{gap:24px}
  .cta-band{padding:40px 24px}
}
@media(max-width:520px){
  body{font-size:16px}
  .hero-actions .btn,.cta-actions .btn{width:100%;justify-content:center}
  .gallery{grid-template-columns:1fr}
}