/* Light theme overrides */
html[data-theme="light"]{
  /* Light: background white */
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --card:#ffffff;
  --text:#0b0f14;
  --muted:#4a5568;
  /* Accents reflect logo color */
  --primary:var(--brand);
  --primary-600:#118b99;
  --outline:#e2e8f0;
  --header-bg:rgba(255,255,255,.75);
}
/* Base (dark theme defaults) */
:root{
  /* Dark: background black */
  --bg:#000000;
  --bg-soft:#0e0e12;
  --card:#111319;
  --text:#e6ecf2;
  --muted:#a8b3c7;
  /* Brand color derived from logo (teal) */
  --brand:#14a5b5;
  --brand-rgb:20,165,181;
  --primary:var(--brand);
  --primary-600:#1193a2;
  --outline:#2c3a50;
  --header-bg:rgba(0,0,0,.75);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif; color:var(--text); background:var(--bg);
}
img{max-width:100%; display:block}
.container{width:min(1120px,92%); margin-inline:auto}
.hidden{display:none}

/* Header */
.site-header{position:sticky; top:0; z-index:50; background:var(--header-bg); backdrop-filter:saturate(140%) blur(8px); border-bottom:1px solid var(--outline)}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:16px}
.brand{position:relative; display:inline-flex; align-items:center; font-weight:700; letter-spacing:.08em; color:var(--text); text-decoration:none}
.brand-logo{height:36px; width:auto; display:block; filter:drop-shadow(0 1px 1px rgba(0,0,0,.15))}
.brand::after{content:""; position:absolute; left:0; right:0; bottom:-8px; height:2px; background:linear-gradient(90deg, rgba(var(--brand-rgb),.9), rgba(var(--brand-rgb),0)); border-radius:2px}
.nav{display:flex; gap:18px; align-items:center}
.nav a{position:relative; color:var(--muted); text-decoration:none; padding:8px 10px; border-radius:8px}
.nav a.active,.nav a:hover{color:var(--text); background:var(--bg-soft)}
.nav a.active::after,.nav a:hover::after{content:""; position:absolute; left:10px; right:10px; bottom:-6px; height:2px; background:var(--primary); border-radius:2px}
.nav-toggle{display:none; background:none; border:1px solid var(--outline); color:var(--text); padding:6px 10px; border-radius:8px}

.dropdown{position:relative}
.dropdown-trigger{position:relative; background:transparent; border:none; color:var(--muted); padding:8px 10px; border-radius:8px; cursor:pointer; font:inherit}
.dropdown-trigger:hover{color:var(--text); background:var(--bg-soft)}
.dropdown-trigger:focus-visible{outline:2px solid var(--primary); outline-offset:2px}
.dropdown-menu{position:absolute; top:calc(100% + 10px); left:0; min-width:180px; background:var(--card); border:1px solid var(--outline); border-radius:12px; padding:6px; box-shadow:0 18px 36px rgba(0,0,0,.25); display:none; z-index:60}
.dropdown-menu a{display:block; padding:10px 10px; border-radius:10px}
.dropdown-menu a:hover{background:var(--bg-soft)}
.dropdown.open .dropdown-menu{display:block}

/* Theme toggle */
.theme-toggle{background:transparent; color:var(--text); border:1px solid var(--outline); padding:6px 10px; border-radius:8px; cursor:pointer; margin-left:10px}
.theme-toggle:hover{background:var(--bg-soft)}

/* Buttons */
.btn{display:inline-block; padding:10px 16px; border-radius:10px; text-decoration:none; border:1px solid var(--outline); color:var(--text)}
.btn-primary{background:linear-gradient(180deg,var(--primary),var(--primary-600)); border-color:transparent; color:#02121b}
.btn-outline{background:transparent}
.btn:hover{transform:translateY(-1px); transition:transform .15s ease}

/* Hero */
.hero{padding:72px 0 48px; background:radial-gradient(60% 60% at 70% 10%, rgba(var(--brand-rgb),.18), transparent 40%), linear-gradient(180deg, transparent, rgba(255,255,255,.02))}
.hero-inner{display:grid; grid-template-columns:1.2fr 1fr; gap:32px; align-items:center}
.hero-text h1{font-size:40px; margin:0 0 10px}
.hero-text p{color:var(--muted); margin:0 0 18px}
.hero-media .media-card{height:300px; border-radius:16px; background:
  radial-gradient(60% 60% at 50% 0%, rgba(var(--brand-rgb),.08), transparent 40%),
  linear-gradient(180deg, rgba(255,255,255,.06), rgba(2,18,27,.35)),
  url('../img/image_accueil.PNG') center/cover no-repeat; 
  border:1px solid var(--outline); box-shadow:0 20px 40px rgba(0,0,0,.25)}
.hero-cta{display:flex; gap:12px}

/* Features */
.features{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; padding:28px 0}
.feature{background:var(--card); border:1px solid var(--outline); padding:18px; border-radius:14px}
.feature h3{margin:0 0 6px}
.feature p{margin:0; color:var(--muted)}

/* Strip */
.strip{padding:40px 0}
.cta-strip{background:linear-gradient(180deg, rgba(76,194,255,.08), transparent)}
.strip-inner{display:flex; gap:18px; align-items:center; justify-content:space-between}

/* Grid showcase */
.grid-showcase{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; padding:30px 0 60px}
.grid-card{position:relative; display:flex; flex-direction:column; border-radius:12px; border:1px solid var(--outline); overflow:hidden; background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(2,18,27,.15))}
.grid-card .media{width:100%; height:140px}
.grid-card img.media{width:100%; height:140px; object-fit:contain; display:block; background:#0b0f14}
.grid-card .caption{padding:8px 10px; background:rgba(0,0,0,.15); border-top:1px solid var(--outline); flex:1}
.grid-card .caption p{margin:0; color:var(--muted); font-size:.9rem; line-height:1.3}
.grid-card .caption .spec-list{list-style:none; margin:10px 0 0; padding:0; color:var(--text); font-size:.92rem; line-height:1.35}
.grid-card .caption .spec-list li{padding:6px 0; border-top:1px solid rgba(255,255,255,.08)}
.grid-card .caption .spec-list li:first-child{border-top:0}

.fenster-page .fenster-header{position:relative; display:flex; align-items:center; justify-content:flex-start; gap:14px; margin:6px 0 20px}
.fenster-page .fenster-header h1{margin:0; letter-spacing:.02em}
.fenster-page .badges{position:absolute; left:50%; transform:translateX(-50%); margin:0}

.fenster-page .grid-showcase{grid-template-columns:repeat(2, minmax(0, 1fr)); gap:18px; padding:10px 0 60px}
.fenster-page .grid-card{border-radius:18px; border-color:rgba(255,255,255,.10); background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(2,18,27,.22)); box-shadow:0 18px 40px rgba(0,0,0,.35); transition:none}
/* MODIFICATION ICI : Suppression des effets de survol pour les cartes fenêtre */
.fenster-page .grid-card:hover{
  transform: none;
  border-color: rgba(255,255,255,.10);
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}
.fenster-page .grid-card img.media{height:220px; background:radial-gradient(60% 60% at 50% 10%, rgba(var(--brand-rgb),.16), transparent 55%), #07090d}
.fenster-page .grid-card .caption{padding:14px 14px 16px; background:linear-gradient(180deg, rgba(0,0,0,.18), rgba(0,0,0,.30))}
.fenster-page .grid-card .caption h4{font-size:1.05rem; margin-bottom:6px}
.fenster-page .grid-card .caption p{font-size:.95rem}
.fenster-page .grid-card .caption .spec-list{margin-top:12px; font-size:.93rem}
.fenster-page .grid-card .caption .spec-list li{border-top:1px solid rgba(255,255,255,.10); padding:8px 0}

@media (max-width: 900px){
  .fenster-page .grid-showcase{grid-template-columns:1fr}
  .fenster-page .fenster-header{flex-direction:column; align-items:flex-start; gap:10px}
  .fenster-page .badges{position:static; transform:none}
}

/* Page */
.page{padding:28px 0 56px}
.page h1{margin-top:8px}
.about-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:14px}
.about-card{background:var(--card); border:1px solid var(--outline); padding:18px; border-radius:14px}
.about-card{background:
  radial-gradient(60% 80% at 80% 0%, rgba(var(--brand-rgb),.08), transparent 55%),
  linear-gradient(180deg, rgba(255,255,255,.04), rgba(2,18,27,.06));
  box-shadow:none}
.page h2::after{content:""; position:absolute; left:0; bottom:0; width:72px; height:3px; background:linear-gradient(90deg, var(--primary), rgba(var(--brand-rgb),0)); border-radius:3px}
.about-card ul{margin:8px 0 0 18px; color:var(--muted)}

/* About enhancements */
.about-hero{margin-top:14px; border-radius:18px; padding:28px; border:1px solid var(--outline);
  background: radial-gradient(60% 80% at 80% 0%, rgba(var(--brand-rgb),.12), transparent 50%),
              linear-gradient(180deg, rgba(255,255,255,.04), rgba(2,18,27,.08));
  display:grid; grid-template-columns:1.2fr 1fr; gap:24px; align-items:center}
.about-hero h1{margin:0 0 8px; font-size:34px}
.about-hero p{margin:0; color:var(--muted); font-size:1.05rem}
.badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:16px}
.badge{padding:8px 12px; border-radius:999px; border:1px solid var(--outline); background:var(--bg-soft); color:var(--text); font-weight:600}
.fenster-page .badges .badge,
.fenetre-page .badges .badge{background:transparent; border:0; padding:0; border-radius:0; color:var(--brand); font-weight:800; letter-spacing:.12em; text-transform:uppercase; line-height:1}
.fenster-page .fenster-header .badges .badge{font-size:1.5rem}
.stats{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:18px}
.stat{background:var(--card); border:1px solid var(--outline); border-radius:14px; padding:14px; text-align:center}
.stat .num{font-weight:800; font-size:24px; color:var(--primary)}
.stat .label{color:var(--muted)}

/* About hero media */
.about-hero .hero-media{height:100%}
.about-viewer{display:flex; flex-direction:column; gap:12px; padding:12px; border-radius:16px; border:1px solid var(--outline); background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(2,18,27,.06))}
.about-main{width:100%; height:340px; object-fit:contain; background:radial-gradient(60% 60% at 50% 0%, rgba(var(--brand-rgb),.08), transparent 40%), var(--card); border:1px solid var(--outline); border-radius:16px; box-shadow:0 14px 28px rgba(0,0,0,.22)}
.about-thumbs{display:flex; gap:10px}
.about-thumbs img{width:100%; max-width:112px; height:78px; object-fit:contain; background:var(--card); border:1px solid var(--outline); border-radius:12px; cursor:pointer; transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease}
.about-thumbs img:hover{transform:translateY(-2px); border-color:var(--primary)}
.about-thumbs img.active{outline:2px solid var(--primary); outline-offset:2px; box-shadow:0 8px 18px rgba(var(--brand-rgb), .25)}

/* Viewer arrows */
.about-viewer .viewer-nav{display:flex; justify-content:space-between; margin-top:-48px; pointer-events:none}
.viewer-btn{pointer-events:auto; background:rgba(0,0,0,.35); color:#fff; border:none; width:36px; height:36px; border-radius:999px; display:flex; align-items:center; justify-content:center; cursor:pointer; backdrop-filter:blur(4px);}
.viewer-btn:hover{background:rgba(0,0,0,.55)}
.about-main.fade{opacity:.3; transition:opacity .18s ease}

/* Tabs component */
.tabs{margin-top:18px}
.tablist{display:flex; gap:8px; flex-wrap:wrap; margin:0 0 12px}
.tab-btn{background:var(--bg-soft); color:var(--text); border:1px solid var(--outline); padding:8px 12px; border-radius:10px; cursor:pointer}
.tab-btn[aria-selected="true"]{background:linear-gradient(180deg,var(--primary),var(--primary-600)); color:#02121b; border-color:transparent}
.tab-panel[hidden]{display:none}
.tab-panel.fade-start{opacity:0}
.tab-panel.fade-in{opacity:1; transition:opacity .2s ease}

/* Catalogue */
.catalogue-controls{display:flex; flex-wrap:wrap; gap:10px; margin:6px 0 16px}
.catalogue-controls input, .catalogue-controls select{background:var(--bg-soft); color:var(--text); border:1px solid var(--outline); padding:10px 12px; border-radius:10px}
.catalogue-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
.card{background:var(--card); border:1px solid var(--outline); border-radius:14px; overflow:hidden; display:flex; flex-direction:column}
.card img{aspect-ratio:4/3; object-fit:cover; background:#0a0f15}
.catalogue-empty{color:var(--muted); text-align:center; padding:24px}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 20px 0;
  padding: 8px 0;
}

.pagination button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: white;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.pagination button:not(.page-btn) {
  color: #64748b;
  font-weight: 600;
}

.pagination button:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: var(--primary);
  color: var(--primary-600);
}

.pagination button.active {
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination button:disabled {
  color: #94a3b8;
  cursor: not-allowed;
  opacity: 0.7;
}

.pagination button svg {
  width: 20px;
  height: 20px;
}

/* Style pour les flèches */
.pagination .prev-next {
  color: #64748b;
  font-weight: 600;
}

.pagination .prev-next:disabled {
  background-color: #f8fafc;
}

/* Image lightbox */
.lightbox-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.78);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:80;
}
.lightbox-backdrop.hidden{display:none}
.lightbox-inner{
  max-width:90vw;
  max-height:90vh;
}
.lightbox-inner img{
  max-width:100%;
  max-height:90vh;
  object-fit:contain;
  border-radius:14px;
  box-shadow:0 18px 40px rgba(0,0,0,.65);
  border:1px solid var(--outline);
}

/* Footer */
.site-footer{border-top:1px solid var(--outline); background:linear-gradient(180deg, var(--primary), var(--primary-600))}
.footer-inner{display:grid; grid-template-columns:1fr auto; grid-template-rows:auto auto; gap:16px 24px; align-items:start; padding:22px 0; color:#ffffff}
.footer-nav{display:flex; gap:14px; row-gap:8px; flex-wrap:wrap; justify-content:flex-end; align-items:center}
.footer-nav a{color:#e6f6ff; text-decoration:none; padding:6px 8px; border-radius:8px}
.footer-nav a:hover{color:#ffffff; background:rgba(255,255,255,.15)}
.footer-inner a[href^="mailto:"], .footer-inner a[href^="tel:"]{color:#ffffff; text-decoration:none}
.footer-inner a[href^="mailto:"]:hover, .footer-inner a[href^="tel:"]:hover{color:#002b36}
.footer-copy{color:#ecfeff; grid-column:1 / -1; justify-self:center; text-align:center; white-space:normal; line-height:1.35; opacity:.95}
.contact-item{display:flex; align-items:center; gap:10px; margin:6px 0}
.contact-item svg{width:18px; height:18px; fill:currentColor}
.footer-inner strong{display:block; letter-spacing:.02em; margin-bottom:6px}

/* Responsive - GENERAL */
@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .grid-showcase{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .catalogue-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr; text-align:center}
  .footer-nav{justify-content:center}
  .footer-copy{justify-self:center; text-align:center; margin-top:6px}
  
  /* Responsive pour About page */
  .about-hero{grid-template-columns:1fr; padding:20px; gap:20px}
  .about-main{height:250px}
  .stats{grid-template-columns:repeat(2,1fr); gap:12px}
  .about-thumbs{justify-content:center}
  .about-thumbs img{max-width:90px; height:60px}
  .tablist{flex-direction:column}
  .tab-btn{width:100%; text-align:left}
}

/* Responsive pour SMARTPHONE (max-width: 640px) */
@media (max-width: 640px){
  .catalogue-grid{grid-template-columns:1fr}
  
  /* Navigation mobile */
  .nav{display:none}
  .nav{flex-direction:column; align-items:flex-start; gap:6px; background:var(--card); border:1px solid var(--outline); border-radius:14px; padding:10px; position:absolute; top:64px; left:4%; right:4%; z-index:70}
  .dropdown-menu{position:static; min-width:unset; box-shadow:none; width:100%; margin-top:6px}
  .nav-toggle{display:block}
  
  /* Header mobile */
  .header-inner{padding:12px 0}
  .brand-logo{height:32px}
  
  /* About page mobile optimisations */
  .about-hero h1{font-size:28px; line-height:1.2}
  .about-hero p{font-size:1rem; line-height:1.5}
  .badges{justify-content:center}
  .badge{padding:6px 10px; font-size:0.85rem}
  
  .stats{grid-template-columns:1fr; gap:10px}
  .stat{padding:12px}
  .stat .num{font-size:20px}
  .stat .label{font-size:0.9rem}
  
  .about-main{height:200px}
  .about-thumbs{flex-wrap:wrap; justify-content:center}
  .about-thumbs img{max-width:70px; height:50px}
  
  .about-grid .about-card{padding:16px}
  .about-grid .about-card h3{font-size:1.2rem; margin-bottom:10px}
  
  /* Tabs mobile */
  .tabs{margin-top:24px}
  .tab-btn{padding:10px 14px; font-size:0.95rem}
  .tab-panel{padding:16px}
  .tab-panel h3{font-size:1.2rem; margin-bottom:12px}
  .tab-panel p{font-size:0.95rem; line-height:1.6}
  
  /* Page spacing mobile */
  .page{padding:20px 0 40px}
  .about-hero{margin-top:10px; padding:16px}
  
  /* Footer mobile */
  .footer-inner{padding:20px 0}
  .footer-nav{gap:8px}
  .footer-nav a{padding:4px 6px; font-size:0.9rem}
  .footer-copy{font-size:0.85rem; line-height:1.4}
  
  /* Container mobile */
  .container{width:94%}
}

/* Très petits écrans (max-width: 400px) */
@media (max-width: 400px){
  .about-hero h1{font-size:24px}
  .badge{font-size:0.8rem; padding:5px 8px}
  .stat .num{font-size:18px}
  .about-main{height:180px}
  .about-thumbs img{max-width:60px; height:45px}
  .tab-btn{font-size:0.9rem; padding:8px 12px}
  .page{padding:16px 0 30px}
}