/* ============================================================
   ERA CONCEPT SARL — Site immersif
   Charte : or/bronze (#e6b948 → #a35719), Montserrat
   ============================================================ */

:root{
  --gold-light:#e6b948;
  --gold-medium:#d4a536;
  --gold-dark:#b78b23;
  --bronze:#cd7f32;
  --bronze-dark:#a35719;
  --gold-grad: linear-gradient(120deg, var(--gold-light), var(--bronze) 55%, var(--bronze-dark));

  --ink:#201c16;
  --ink-soft:#4a443b;
  --paper:#ffffff;
  --paper-soft:#faf7f1;
  --paper-line:rgba(32,28,22,0.1);

  --night:#15120d;
  --night-2:#1e1912;
  --night-line: rgba(230,185,72,0.16);
  --night-text: #f2ece0;
  --night-text-soft: rgba(242,236,224,0.68);

  --ease: cubic-bezier(.16,1,.3,1);
  --font-display: 'Montserrat', sans-serif;
  --font-serif: 'Cormorant Garamond', serif;
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:auto; }
body{
  font-family: var(--font-display);
  background: var(--paper);
  color: var(--ink);
  overflow-x:hidden;
  cursor:none;
  -webkit-font-smoothing:antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button, select, input, textarea{ font-family:inherit; color:inherit; }
.container{ width:min(1180px, 90%); margin:0 auto; }
@media (max-width:640px){ .container{ width:88%; } }

@media (hover:none), (pointer:coarse){
  body{ cursor:auto; }
  .cursor-dot, .cursor-ring{ display:none; }
}

/* ---------- Preloader ---------- */
#preloader{
  position:fixed; inset:0; z-index:9999;
  background: var(--night);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:22px;
  transition: opacity .8s var(--ease), visibility .8s var(--ease);
}
#preloader.done{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader-logo{ width:84px; height:auto; animation: logoIntro 1s var(--ease) forwards; opacity:0; transform:scale(.8); }
@keyframes logoIntro{ to{ opacity:1; transform:scale(1); } }
.preloader-count{
  font-size: clamp(2rem, 5vw, 3rem); font-weight:700; color: var(--night-text); letter-spacing:1px;
  font-variant-numeric: tabular-nums;
}
.preloader-count span{ background:var(--gold-grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.preloader-label{
  font-size:.68rem; letter-spacing:.28em; text-transform:uppercase; color: var(--night-text-soft);
}

/* ---------- Custom cursor ---------- */
.cursor-dot, .cursor-ring{
  position:fixed; top:0; left:0; border-radius:50%;
  pointer-events:none; z-index:9000; transform:translate(-50%,-50%);
  will-change:transform;
}
.cursor-dot{ width:6px; height:6px; background: var(--bronze-dark); }
.cursor-ring{
  width:38px; height:38px; border:1.5px solid var(--gold-medium);
  transition: width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.cursor-ring.hover{ width:68px; height:68px; background: rgba(230,185,72,0.12); border-color: var(--gold-light); }
.cursor-ring.light-bg-off{ border-color: var(--night-text); }

/* ---------- Scroll progress ---------- */
.scroll-progress{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background: var(--gold-grad); z-index:8000; transition: width .1s linear;
}

/* ---------- Header ---------- */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:500;
  padding: 22px 0; transition: padding .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.scrolled{
  padding:12px 0; background: rgba(255,255,255,0.85); backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--paper-line);
}
.header-inner{
  width:min(1180px,92%); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
}
.logo{ display:flex; align-items:center; gap:10px; }
.logo-mark{ width:30px; height:auto; }
.footer-logo{ display:flex; align-items:center; gap:10px; margin-bottom:4px; }
.footer-logo .logo-mark{ width:26px; }
.logo-text{
  font-weight:800; letter-spacing:.06em; font-size:1.05rem;
  color: var(--night-text);
  transition: color .4s var(--ease);
}
.site-header.scrolled .logo-text{ color: var(--ink); }
.logo-text em{ font-style:normal; background:var(--gold-grad); -webkit-background-clip:text; background-clip:text; color:transparent; }

.main-nav{ display:flex; align-items:center; gap:34px; }
.nav-link{
  font-size:.82rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
  color: var(--night-text-soft); position:relative; padding:4px 0;
  transition: color .3s;
}
.site-header.scrolled .nav-link{ color: var(--ink-soft); }
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px; background: var(--gold-medium);
  transition: width .35s var(--ease);
}
.nav-link:hover, .nav-link.active{ color: var(--gold-medium); }
.site-header.scrolled .nav-link:hover, .site-header.scrolled .nav-link.active{ color: var(--bronze-dark); }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.nav-cta{
  padding:9px 20px !important; border:1px solid var(--gold-medium); border-radius:999px;
  color: var(--gold-light) !important;
}
.site-header.scrolled .nav-cta{ color: var(--bronze-dark) !important; border-color: var(--bronze); }
.nav-cta::after{ display:none; }
.nav-cta:hover{ background: var(--gold-medium); color: var(--night) !important; }

.burger{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:none; z-index:600;
}
.burger span{ width:24px; height:2px; background: var(--night-text); transition: background .4s; }
.site-header.scrolled .burger span{ background: var(--ink); }

@media (max-width: 900px){
  .main-nav{
    position:fixed; inset:0 0 0 auto; width:min(320px,80%); height:100vh;
    background: var(--night); flex-direction:column; justify-content:center; align-items:flex-start;
    gap:26px; padding:0 44px; transform:translateX(100%); transition: transform .5s var(--ease);
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav .nav-link{ color: var(--night-text-soft); font-size:1rem; }
  .burger{ display:flex; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; height:100svh; min-height:640px; overflow:hidden;
  background: radial-gradient(120% 100% at 50% 0%, #241d13 0%, var(--night) 55%, #0c0a07 100%);
  display:flex; align-items:center; justify-content:center;
}
.hero3d{ position:absolute; inset:0; z-index:1; }
.dust-canvas{ position:absolute; inset:0; z-index:2; pointer-events:none; mix-blend-mode:screen; }
.hero-grid-overlay{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background-image:
    linear-gradient(var(--night-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--night-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 70% at 50% 45%, #000 0%, transparent 75%);
  opacity:.6;
}
.hero-meta{
  position:absolute; z-index:5; font-size:.68rem; letter-spacing:.18em; text-transform:uppercase;
  color: var(--night-text-soft); font-weight:500;
}
.hero-meta-top{ top:100px; left:50%; transform:translateX(-50%); text-align:center; }
.hero-meta-side{
  left:28px; top:50%; transform:translateY(-50%) rotate(-90deg); transform-origin:left center;
  white-space:nowrap;
}
.hero-meta-side-right{
  right:28px; top:50%; transform:translateY(-50%); display:flex; flex-direction:column; gap:8px; text-align:right;
}
.hero-meta-side-right a, .hero-meta-side-right span{ font-size:.66rem; }
.hero-meta-side-right a:hover{ color: var(--gold-light); }
@media (max-width: 900px){
  .hero-meta-side, .hero-meta-side-right{ display:none; }
  .hero-meta-top{ top:88px; font-size:.6rem; }
}

.hero-content{ position:relative; z-index:6; text-align:center; padding-top:20px; }
.hero-title{
  font-size: clamp(2.6rem, 8.2vw, 6.4rem); font-weight:800; line-height:1.12; letter-spacing:-.01em;
  color: var(--night-text); padding-bottom:.1em;
  display:flex; flex-direction:column; align-items:center;
}
.hero-title .line{ display:block; overflow:hidden; padding-bottom:.08em; }
.hero-title .line span, .hero-title .line{ }
.hero-title .line-accent{ background: var(--gold-grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-sub{
  max-width:560px; margin:clamp(36px,5vw,54px) auto 0; font-size:clamp(.95rem,1.6vw,1.15rem);
  color: var(--night-text-soft); font-weight:400; line-height:1.6;
}
.hero-actions{ display:flex; gap:16px; justify-content:center; margin-top:38px; flex-wrap:wrap; }

.scroll-cue{
  position:absolute; bottom:34px; left:50%; transform:translateX(-50%); z-index:6;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color: var(--night-text-soft); font-size:.62rem; letter-spacing:.3em;
}
.scroll-cue-line{ width:1px; height:44px; background: rgba(242,236,224,0.2); overflow:hidden; }
.scroll-cue-line i{ display:block; width:100%; height:14px; background: var(--gold-light); animation: scrollCue 1.8s ease-in-out infinite; }
@keyframes scrollCue{ 0%{ transform:translateY(-16px);} 100%{ transform:translateY(44px);} }

/* ---------- Buttons ---------- */
.btn{
  position:relative; display:inline-flex; align-items:center; justify-content:center;
  padding:15px 32px; font-size:.82rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  border-radius:999px; overflow:hidden; isolation:isolate;
}
.btn span{ position:relative; z-index:2; }
.btn-solid{ background: var(--gold-grad); color: var(--night); }
.btn-solid::before{
  content:''; position:absolute; inset:0; background:linear-gradient(120deg, var(--bronze-dark), var(--gold-light));
  opacity:0; transition:opacity .4s; z-index:1;
}
.btn-solid:hover::before{ opacity:1; }
.btn-outline{ border:1px solid var(--gold-medium); color: var(--night-text); }
.section .btn-outline, .welcome .btn-outline, .approach .btn-outline{ color: var(--ink); border-color: var(--bronze); }
.btn-outline:hover{ background: var(--gold-medium); color: var(--night); }
.btn-form{ width:100%; margin-top:8px; }

/* ---------- Section basics ---------- */
section{ position:relative; padding: 78px 0; background: var(--paper); }
.section-dark{ background: var(--night); color: var(--night-text); }
.eyebrow{
  font-size:.72rem; font-weight:700; letter-spacing:.28em; text-transform:uppercase;
  color: var(--bronze-dark); margin-bottom:18px;
}
.eyebrow-light{ color: var(--gold-light); }
h2{ font-size: clamp(1.7rem, 4vw, 2.7rem); font-weight:700; line-height:1.18; letter-spacing:-.01em; max-width:900px; }
.section-title-light{ color: var(--night-text); }
.section-intro{ max-width:560px; margin-top:18px; color: var(--ink-soft); font-size:1.02rem; }

/* mask reveal for titles */
.reveal-mask{ overflow:hidden; }
.reveal-mask span{ display:inline-block; transform:translateY(110%); will-change:transform; }

[data-reveal]{ opacity:0; transform:translateY(28px); }

/* ---------- Welcome + highlight cards ---------- */
.welcome{ text-align:center; }
.welcome-text{ max-width:680px; margin:22px auto 0; color: var(--ink-soft); font-size:1.05rem; line-height:1.75; }
.highlight-grid{
  margin-top:44px; display:grid; grid-template-columns:repeat(4,1fr); gap:22px; text-align:left;
}
@media (max-width:980px){ .highlight-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .highlight-grid{ grid-template-columns:1fr; } }

.tilt-card{ perspective:900px; }
.tilt-card-inner{
  background: var(--paper-soft); border:1px solid var(--paper-line); border-radius:18px;
  padding:34px 26px; height:100%; transition: box-shadow .4s var(--ease), border-color .4s var(--ease);
  transform-style:preserve-3d;
}
.tilt-card:hover .tilt-card-inner{ box-shadow: 0 24px 50px -20px rgba(163,87,25,0.35); border-color: var(--gold-medium); }
.hcard-icon{ width:42px; height:42px; margin-bottom:22px; }
.tilt-card-inner h3{ font-size:1.05rem; font-weight:700; margin-bottom:10px; }
.tilt-card-inner p{ font-size:.92rem; color: var(--ink-soft); line-height:1.6; }

/* ---------- Approach ---------- */
.approach-grid{ display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center; }
@media (max-width:900px){ .approach-grid{ grid-template-columns:1fr; gap:34px; } }
.blueprint-illus{ width:100%; max-width:440px; margin:0 auto; }
.approach-text h2{ margin:16px 0 20px; }
.approach-text p{ color: var(--ink-soft); line-height:1.75; margin-bottom:28px; max-width:480px; }

/* ---------- Recent teaser ---------- */
.recent{ background: var(--paper-soft); }
.recent-grid{ margin-top:36px; display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
@media (max-width:900px){ .recent-grid{ grid-template-columns:1fr; } }
.recent-card{ perspective:1000px; }
.recent-card-visual{
  aspect-ratio:4/3; border-radius:16px 16px 0 0; position:relative; overflow:hidden;
  background: linear-gradient(150deg,#efe7d6,#e3d3ae 45%, #cd9a52);
}
.recent-card-visual::before{
  content:''; position:absolute; inset:0; opacity:.5;
  background-image: linear-gradient(rgba(32,28,22,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(32,28,22,.14) 1px, transparent 1px);
  background-size: 22px 22px;
}
.recent-card-body{
  background: var(--paper); border:1px solid var(--paper-line); border-top:none; border-radius:0 0 16px 16px;
  padding:24px 22px 26px;
}
.recent-card-body h3{ font-size:1.05rem; font-weight:700; margin-bottom:8px; }
.recent-card-body p{ font-size:.9rem; color: var(--ink-soft); margin-bottom:16px; }
.link-arrow{ font-size:.78rem; font-weight:700; letter-spacing:.04em; color: var(--bronze-dark); }
.link-arrow i{ display:inline-block; transition: transform .3s var(--ease); font-style:normal; }
.recent-card:hover .link-arrow i, .project-card:hover .link-arrow i{ transform:translateX(6px); }

/* ---------- Agence ---------- */
.agence-intro{ max-width:760px; margin-top:26px; display:flex; flex-direction:column; gap:16px; }
.agence-intro p{ color: var(--night-text-soft); line-height:1.75; }

.values-grid{ margin-top:40px; display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
@media (max-width:900px){ .values-grid{ grid-template-columns:repeat(2,1fr); } }
.value-flip{ perspective:1200px; height:170px; }
.value-flip-inner{
  position:relative; width:100%; height:100%; transition: transform .7s var(--ease); transform-style:preserve-3d;
}
.value-flip:hover .value-flip-inner{ transform: rotateY(180deg); }
.value-face{
  position:absolute; inset:0; backface-visibility:hidden; border-radius:14px;
  border:1px solid var(--night-line); padding:24px; display:flex; flex-direction:column; justify-content:space-between;
}
.value-front{ background: var(--night-2); }
.value-num{ font-family:var(--font-serif); font-style:italic; font-size:1.6rem; color: var(--gold-medium); }
.value-front h4{ font-size:1.1rem; font-weight:700; }
.value-back{
  background: var(--gold-grad); color: var(--night); transform: rotateY(180deg); justify-content:center;
}
.value-back p{ font-size:.92rem; font-weight:600; line-height:1.5; }

.team-grid{ margin-top:46px; display:grid; grid-template-columns:1fr 1fr; gap:32px; }
@media (max-width:900px){ .team-grid{ grid-template-columns:1fr; } }
.team-block h4{ font-size:1.2rem; font-weight:700; margin-bottom:14px; color: var(--gold-light); }
.team-block p{ color: var(--night-text-soft); line-height:1.7; margin-bottom:18px; }
.check-list li{ position:relative; padding-left:26px; margin-bottom:10px; font-size:.92rem; color: var(--night-text-soft); }
.check-list li::before{
  content:''; position:absolute; left:0; top:6px; width:12px; height:8px;
  border-left:2px solid var(--gold-medium); border-bottom:2px solid var(--gold-medium); transform:rotate(-45deg);
}

.vision-block{ margin-top:46px; padding-top:32px; border-top:1px solid var(--night-line); max-width:760px; }
.vision-block p:not(.eyebrow){ color: var(--night-text-soft); line-height:1.8; font-size:1.05rem; }

/* ---------- Activités / LOT accordion ---------- */
.lot-list{ margin-top:36px; border-top:1px solid var(--paper-line); }
.lot-item{ border-bottom:1px solid var(--paper-line); }
.lot-head{
  width:100%; background:none; border:none; cursor:none; display:flex; align-items:center; gap:26px;
  padding:26px 4px; text-align:left;
}
.lot-num{ font-family:var(--font-serif); font-style:italic; color: var(--bronze); font-size:1.1rem; width:64px; flex-shrink:0; }
.lot-name{ font-size:clamp(1.1rem,2.4vw,1.5rem); font-weight:700; flex:1; transition: color .3s; }
.lot-item.active .lot-name, .lot-head:hover .lot-name{ color: var(--bronze-dark); }
.lot-plus{ font-size:1.6rem; font-weight:300; color: var(--gold-medium); transition: transform .4s var(--ease); }
.lot-item.active .lot-plus{ transform: rotate(45deg); }
.lot-body{
  max-height:0; overflow:hidden; transition: max-height .5s var(--ease);
  padding: 0 4px 0 90px;
}
.lot-item.active .lot-body{ max-height:260px; padding-bottom:30px; }
.lot-body p{ color: var(--ink-soft); line-height:1.7; margin-bottom:16px; max-width:640px; }
.lot-body ul{ display:flex; flex-wrap:wrap; gap:10px 22px; }
.lot-body li{ font-size:.85rem; color: var(--ink); position:relative; padding-left:16px; }
.lot-body li::before{ content:''; position:absolute; left:0; top:8px; width:7px; height:7px; border-radius:50%; background: var(--gold-medium); }

.approche-globale{
  margin-top:46px; padding:34px; border-radius:20px; background: var(--paper-soft);
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.approche-globale h3{ font-size:1.4rem; margin-bottom:10px; }
.approche-globale p{ color: var(--ink-soft); max-width:520px; }

/* ---------- Projects ---------- */
.filter-bar{ margin-top:32px; display:flex; gap:12px; flex-wrap:wrap; }
.filter-btn{
  background:none; border:1px solid var(--paper-line); border-radius:999px; padding:10px 20px;
  font-size:.8rem; font-weight:600; cursor:none; transition: all .3s;
}
.filter-btn.active, .filter-btn:hover{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter-btn.active{ background: var(--gold-grad); border-color:transparent; color: var(--night); }

.projects-grid{ margin-top:28px; display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
@media (max-width:980px){ .projects-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .projects-grid{ grid-template-columns:1fr; } }
.project-card{ perspective:1000px; transition: opacity .35s, transform .35s; }
.project-card.hide{ display:none; }
.project-visual{
  aspect-ratio:4/3; border-radius:14px; position:relative; overflow:hidden;
  background: linear-gradient(155deg, #16110b, #3a2410 55%, #8a5a20);
}
.project-visual::before{
  content:''; position:absolute; inset:0; opacity:.35;
  background-image: linear-gradient(var(--gold-light) 1px, transparent 1px), linear-gradient(90deg, var(--gold-light) 1px, transparent 1px);
  background-size: 20px 20px;
}
.project-visual::after{
  content:''; position:absolute; inset:0;
  background: radial-gradient(circle at 30% 20%, rgba(230,185,72,0.35), transparent 60%);
}
.project-year{
  position:absolute; top:14px; right:14px; z-index:2; font-size:.72rem; font-weight:700; letter-spacing:.06em;
  color: var(--night); background: var(--gold-light); padding:4px 10px; border-radius:999px;
}
.project-body{ padding:20px 4px 0; }
.project-cat{ font-size:.68rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color: var(--bronze-dark); }
.project-body h3{ font-size:1.08rem; font-weight:700; margin:8px 0; }
.project-body p{ font-size:.9rem; color: var(--ink-soft); margin-bottom:14px; line-height:1.55; }

/* ---------- Project modal ---------- */
.project-modal{
  position:fixed; inset:0; z-index:2000; display:flex; align-items:center; justify-content:center;
  padding:30px; opacity:0; visibility:hidden; transition: opacity .4s var(--ease), visibility .4s var(--ease);
}
.project-modal.open{ opacity:1; visibility:visible; }
.project-modal-backdrop{ position:absolute; inset:0; background: rgba(21,18,13,0.82); backdrop-filter: blur(6px); }
.project-modal-panel{
  position:relative; z-index:2; background: var(--paper); border-radius:22px; overflow:hidden;
  max-width:820px; width:100%; display:grid; grid-template-columns:1fr 1fr; max-height:86vh;
  transform: translateY(24px) scale(.97); transition: transform .45s var(--ease);
}
.project-modal.open .project-modal-panel{ transform:translateY(0) scale(1); }
@media (max-width:760px){ .project-modal-panel{ grid-template-columns:1fr; overflow-y:auto; } }
.modal-visual{ background: linear-gradient(155deg, #16110b, #3a2410 55%, #8a5a20); background-size:cover; background-position:center; position:relative; }
.modal-visual::before{
  content:''; position:absolute; inset:0; opacity:.35;
  background-image: linear-gradient(var(--gold-light) 1px, transparent 1px), linear-gradient(90deg, var(--gold-light) 1px, transparent 1px);
  background-size: 22px 22px;
}
.modal-body{ padding:44px 38px; display:flex; flex-direction:column; gap:14px; align-self:center; }
.modal-body h3{ font-size:1.5rem; font-weight:700; }
.modal-body p{ color: var(--ink-soft); line-height:1.7; }
.modal-year{ font-size:.8rem; color: var(--bronze); font-weight:700; }
.modal-close{
  position:absolute; top:18px; right:18px; z-index:3; width:38px; height:38px; border-radius:50%;
  background: rgba(255,255,255,0.9); border:none; cursor:none; font-size:1rem;
}

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:46px; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; gap:44px; } }
.contact-info p{ color: var(--night-text-soft); line-height:1.7; margin:14px 0 28px; max-width:460px; }
.coord-grid{ display:flex; flex-direction:column; gap:16px; }
.coord-item{ padding-bottom:18px; border-bottom:1px solid var(--night-line); }
.coord-label{ display:block; font-size:.7rem; letter-spacing:.2em; text-transform:uppercase; color: var(--gold-medium); margin-bottom:6px; }
.coord-value{ font-size:1rem; }
.coord-value a:hover{ color: var(--gold-light); }

.contact-form{ background: var(--night-2); border:1px solid var(--night-line); border-radius:20px; padding:38px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.field{ position:relative; margin-bottom:22px; }
.field input, .field select, .field textarea{
  width:100%; background:transparent; border:none; border-bottom:1px solid var(--night-line);
  padding:10px 0 10px; color: var(--night-text); font-size:.95rem; outline:none;
  transition: border-color .3s;
}
.field select{ appearance:none; cursor:none; }
.field select option{ background: var(--night-2); color: var(--night-text); }
.field textarea{ resize:vertical; }
.field label{
  position:absolute; left:0; top:10px; font-size:.95rem; color: var(--night-text-soft);
  pointer-events:none; transition: all .25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color: var(--gold-medium); }
.field input:focus ~ label, .field input:not(:placeholder-shown) ~ label,
.field textarea:focus ~ label, .field textarea:not(:placeholder-shown) ~ label,
.field.filled label, .field select:focus ~ label{
  top:-14px; font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color: var(--gold-light);
}
.form-note{ margin-top:14px; font-size:.85rem; color: var(--gold-light); min-height:1em; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--night); color: var(--night-text); padding:46px 0 20px; }
.footer-grid{ display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:30px; padding-bottom:28px; border-bottom:1px solid var(--night-line); }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; gap:26px; } }
.footer-brand p{ color: var(--night-text-soft); margin-top:10px; font-size:.9rem; }
.footer-nav{ display:flex; flex-direction:column; gap:12px; }
.footer-nav a:hover{ color: var(--gold-light); }
.footer-contact{ display:flex; flex-direction:column; gap:10px; color: var(--night-text-soft); font-size:.92rem; }
.footer-contact a:hover{ color: var(--gold-light); }
.footer-bottom{ display:flex; align-items:center; justify-content:space-between; padding-top:22px; font-size:.8rem; color: var(--night-text-soft); }
.back-to-top{
  width:40px; height:40px; border-radius:50%; border:1px solid var(--night-line); background:none;
  color: var(--night-text); cursor:none; transition: all .3s;
}
.back-to-top:hover{ background: var(--gold-grad); color: var(--night); border-color:transparent; }

/* ---------- Magnetic buttons ---------- */
[data-magnetic]{ will-change:transform; }

/* ============================================================
   VRAIES PHOTOS — habillage des visuels
   ============================================================ */
.recent-card-visual{ background-size:cover; background-position:center; }
.recent-card-visual::before{ content:none; }
.recent-card-visual[data-illus="triplex"]{ background-image:url('../images/01.jpeg'); }
.recent-card-visual[data-illus="villa"]{ background-image:url('../images/site-original/villa-moderne.jpg'); }
.recent-card-visual[data-illus="interieur"]{ background-image:url('../images/20.JPG'); }

.project-visual{ background-size:cover; background-position:center; }
.project-visual::before, .project-visual::after{ content:none; }
.project-visual[data-illus="amphi"]{ background-image:url('../images/site-original/agence-urbanisme-amphi.jpg'); }
.project-visual[data-illus="triplex2"]{ background-image:url('../images/02.JPG'); }
.project-visual[data-illus="immeuble"]{ background-image:url('../images/site-original/bureaux-karpala.jpg'); }
.project-visual[data-illus="mixte"]{ background-image:url('../images/site-original/immeuble-mixte.jpg'); }
.project-visual[data-illus="renov"]{ background-image:url('../images/site-original/renovation-duplex.jpg'); }
.project-visual[data-illus="interieur2"]{ background-image:url('../images/site-original/design-interieur-1.jpg'); }
.project-visual[data-illus="villa2"]{ background-image:url('../images/site-original/r2-ouaga2000.jpg'); }
.project-visual[data-illus="salon"]{ background-image:url('../images/site-original/salon-design.jpg'); }
/* readability overlay + year badge stays legible on photos */
.recent-card-visual, .project-visual{ position:relative; }
.recent-card-visual::after, .project-visual::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(21,18,13,0) 55%, rgba(21,18,13,.55) 100%);
}

/* ---------- LOT thumbnails ---------- */
.lot-thumb{
  float:right; width:150px; height:104px; margin:0 0 14px 22px; border-radius:12px;
  background-size:cover; background-position:center; box-shadow:0 14px 30px -14px rgba(32,28,22,.35);
}
@media (max-width:640px){ .lot-thumb{ float:none; width:100%; height:150px; margin:0 0 16px; } }

/* ---------- Agence : photo + texte ---------- */
.agence-intro-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:34px; align-items:start; max-width:none; }
@media (max-width:900px){ .agence-intro-grid{ grid-template-columns:1fr; } }
.agence-intro-text{ display:flex; flex-direction:column; gap:16px; }
.agence-intro-visual{
  aspect-ratio:4/5; border-radius:18px; background-size:cover; background-position:center 78%;
  border:1px solid var(--night-line);
}

/* ---------- Partners strip ---------- */
.partners-strip{ margin-top:40px; padding-top:28px; border-top:1px solid var(--night-line); }
.partners-label{ display:block; font-size:.72rem; letter-spacing:.24em; text-transform:uppercase; color:var(--night-text-soft); margin-bottom:26px; }
.partners-logos{ display:flex; align-items:center; gap:46px; flex-wrap:wrap; }
.partners-logos img{ height:52px; width:auto; object-fit:contain; filter:grayscale(1) brightness(1.8); opacity:.6; transition:opacity .3s, filter .3s; }
.partners-logos img:hover{ filter:none; opacity:1; }

/* ============================================================
   SLIDER PHOTOS RÉELLES (accueil)
   ============================================================ */
.showcase-slider{
  position:relative; height:78vh; min-height:460px; max-height:760px; overflow:hidden; padding:0; background:var(--night);
}
.slider-track{ position:absolute; inset:0; }
.slide{
  position:absolute; inset:0; opacity:0; transition:opacity 1.1s var(--ease);
  background-size:cover; background-position:center;
}
.slide.active{ opacity:1; }
.slide::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(15,12,9,.82) 0%, rgba(15,12,9,.15) 45%, rgba(15,12,9,.35) 100%);
}
.slide-caption{
  position:absolute; left:0; right:0; bottom:0; padding:0 6% 54px; z-index:2; color:var(--night-text);
}
.slide-index{
  display:inline-block; font-size:.72rem; letter-spacing:.24em; font-weight:700; color:var(--gold-light);
  margin-bottom:12px;
}
.slide-caption h3{ font-size:clamp(1.4rem,3.4vw,2.4rem); font-weight:700; margin-bottom:8px; }
.slide-caption p{ font-size:.95rem; color:var(--night-text-soft); }

.slider-arrow{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3; width:52px; height:52px; border-radius:50%;
  background:rgba(21,18,13,.4); border:1px solid var(--night-line); color:var(--night-text);
  font-size:1.6rem; line-height:1; cursor:none; transition:background .3s, border-color .3s;
  display:flex; align-items:center; justify-content:center;
}
.slider-arrow:hover{ background:var(--gold-grad); color:var(--night); border-color:transparent; }
.slider-arrow.prev{ left:5%; } .slider-arrow.next{ right:5%; }
@media (max-width:640px){ .slider-arrow{ width:40px; height:40px; font-size:1.2rem; } .slider-arrow.prev{left:14px;} .slider-arrow.next{right:14px;} }

.slider-dots{ position:absolute; right:6%; bottom:32px; z-index:3; display:flex; gap:10px; }
.slider-dots .dot{ width:9px; height:9px; border-radius:50%; background:rgba(242,236,224,.35); cursor:none; transition:background .3s, transform .3s; }
.slider-dots .dot.active{ background:var(--gold-light); transform:scale(1.3); }

/* ============================================================
   MAQUETTE 3D INTERACTIVE
   ============================================================ */
.model3d{ background:var(--night); color:var(--night-text); padding-bottom:64px; }
.model3d .section-intro{ color:var(--night-text-soft); }
.model3d-stage{
  position:relative; width:min(1180px,94%); margin:32px auto 0; height:60vh; min-height:420px;
  border-radius:24px; overflow:hidden; border:1px solid var(--night-line);
  background:radial-gradient(120% 120% at 50% 10%, #241d13 0%, var(--night) 60%);
}
.house3d-canvas{ position:absolute; inset:0; cursor:grab; }
.house3d-canvas:active{ cursor:grabbing; }
.model3d-hint{
  position:absolute; left:24px; bottom:24px; z-index:2; display:flex; align-items:center; gap:10px;
  padding:10px 18px; border-radius:999px; background:rgba(21,18,13,.55); border:1px solid var(--night-line);
  color:var(--night-text-soft); font-size:.78rem; letter-spacing:.04em; pointer-events:none;
  transition:opacity .5s var(--ease);
}
.model3d-hint svg{ width:18px; height:18px; color:var(--gold-light); }
.model3d-hint.hidden{ opacity:0; }
.model3d-reset{
  position:absolute; right:24px; bottom:24px; z-index:2; padding:10px 20px; border-radius:999px;
  background:rgba(21,18,13,.55); border:1px solid var(--night-line); color:var(--night-text);
  font-size:.76rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; cursor:none;
  transition:background .3s, border-color .3s;
}
.model3d-reset:hover{ background:var(--gold-grad); color:var(--night); border-color:transparent; }
@media (max-width:640px){ .model3d-stage{ height:52vh; } }