@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800;900&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#0b0a09;
  --panel:#141210;
  --text:#f3eee6;
  --text-dim:#8f877c;
  --accent:#e2261e;
  --line:rgba(243,238,230,0.14);
  color-scheme: dark;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}
body{
  background:var(--ink);color:var(--text);
  font-family:'IBM Plex Sans',sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
#root{min-height:100%;}
.mono{font-family:'IBM Plex Mono',monospace;}
.display{font-family:'Big Shoulders Display',sans-serif;}
a{color:inherit;}

/* Header / nav */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:40;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px;
}
.site-header::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(to bottom, rgba(11,10,9,0.85), rgba(11,10,9,0));
  backdrop-filter:blur(2px);
}
.site-header.is-solid::before{
  background:rgba(11,10,9,0.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand img{width:40px; height:40px; display:block;}
.brand span{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:20px; letter-spacing:0.04em;}
.nav-links{display:flex; align-items:center; gap:32px; list-style:none;}
.nav-links a{
  font-family:'IBM Plex Mono',monospace; font-size:13px; letter-spacing:0.06em;
  text-transform:uppercase; text-decoration:none; color:var(--text-dim);
  padding-bottom:4px; border-bottom:1px solid transparent;
  transition:color 0.2s ease, border-color 0.2s ease;
}
.nav-links a:hover, .nav-links a.is-active{color:var(--text); border-color:var(--accent);}
.nav-toggle{display:none; background:none; border:none; color:var(--text); cursor:pointer; padding:4px;}
.nav-toggle svg{width:26px; height:26px; display:block;}

@media (max-width:760px){
  .nav-links{
    position:fixed; top:0; right:0; height:100%; width:min(78vw,320px);
    background:var(--panel); border-left:1px solid var(--line);
    flex-direction:column; align-items:flex-start; justify-content:flex-start;
    gap:22px; padding:100px 32px 32px; transform:translateX(100%);
    transition:transform 0.3s ease; z-index:39;
    overflow-y:auto; -webkit-overflow-scrolling:touch;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:15px;}
  .nav-toggle{display:block; position:relative; z-index:41;}
}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 32px;
  display:flex; flex-wrap:wrap; gap:16px;
  align-items:center; justify-content:space-between;
}
.site-footer .mono{color:var(--text-dim); font-size:12px; letter-spacing:0.04em;}

/* Page shell (non-hero pages) */
.page-shell{padding:150px 32px 80px; max-width:1100px; margin:0 auto;}
.page-eyebrow{font-size:13px; letter-spacing:0.14em; color:var(--accent); margin-bottom:12px;}
.page-title{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:clamp(36px,6vw,64px); line-height:1.02; margin-bottom:24px;}
.page-lede{color:var(--text-dim); max-width:640px; font-size:17px; line-height:1.6; margin-bottom:48px;}

/* Hero (home) */
.hero{position:relative; height:100svh; min-height:560px; overflow:hidden; display:flex; align-items:flex-end;}
.hero-photo{position:absolute; inset:-10% -10% -10% -10%; z-index:0; will-change:transform;}
.hero-photo img{width:100%; height:100%; object-fit:cover; display:block;}
.hero-scrim{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(to bottom, rgba(11,10,9,0.35) 0%, rgba(11,10,9,0.45) 40%, rgba(11,10,9,0.92) 100%),
    linear-gradient(to right, rgba(11,10,9,0.55) 0%, rgba(11,10,9,0.05) 55%);
}
.hero-content{position:relative; z-index:2; padding:0 32px 96px; max-width:820px; transition:opacity 0.2s linear;}
.hero-logo{width:64px; height:64px; margin-bottom:28px; opacity:0; transform:translateY(14px); transition:opacity 0.7s ease, transform 0.7s ease;}
.hero-eyebrow{color:var(--text-dim); font-size:13px; letter-spacing:0.16em; margin-bottom:14px; opacity:0; transform:translateY(14px); transition:opacity 0.7s ease 0.1s, transform 0.7s ease 0.1s;}
.hero-title{font-weight:900; font-size:clamp(44px,8vw,96px); line-height:0.98; letter-spacing:-0.01em; opacity:0; transform:translateY(14px); transition:opacity 0.8s ease 0.18s, transform 0.8s ease 0.18s;}
.hero-content.is-in .hero-logo,
.hero-content.is-in .hero-eyebrow,
.hero-content.is-in .hero-title{opacity:1; transform:translateY(0);}
.scroll-cue{position:absolute; z-index:2; left:32px; bottom:28px; display:flex; align-items:center; gap:10px; color:var(--text-dim); font-size:12px; letter-spacing:0.08em;}
.scroll-cue .line{width:1px; height:34px; background:linear-gradient(to bottom, var(--text-dim), transparent); animation:scrollcue 2s ease-in-out infinite;}
@keyframes scrollcue{0%{transform:scaleY(0.4); transform-origin:top;} 50%{transform:scaleY(1); transform-origin:top;} 100%{transform:scaleY(0.4); transform-origin:bottom;}}

/* Services teaser (home) */
.services{padding:96px 32px; max-width:1100px; margin:0 auto;}
.services-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:40px;}
.service-card{background:var(--ink); padding:32px 28px;}
.service-card .num{font-family:'IBM Plex Mono',monospace; color:var(--accent); font-size:13px; margin-bottom:16px; display:block;}
.service-card h3{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:22px; margin-bottom:10px;}
.service-card p{color:var(--text-dim); font-size:14px; line-height:1.6;}
.zone-line{margin-top:56px; padding-top:32px; border-top:1px solid var(--line); color:var(--text-dim); font-size:14px;}
.zone-line strong{color:var(--text); font-weight:600;}

/* Gallery (réalisations) */
.gallery-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:24px;}
.gallery-card{border:1px solid var(--line); background:var(--panel); overflow:hidden;}
.gallery-card .thumb{aspect-ratio:4/3; overflow:hidden;}
.gallery-card .thumb img{width:100%; height:100%; object-fit:cover; display:block; filter:grayscale(0.1);}
.gallery-card .caption{padding:20px;}
.gallery-card .caption .tag{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--accent); letter-spacing:0.08em; display:block; margin-bottom:8px;}
.gallery-card .caption h3{font-family:'Big Shoulders Display',sans-serif; font-weight:700; font-size:19px; margin-bottom:6px;}
.gallery-card .caption p{color:var(--text-dim); font-size:13px; line-height:1.55;}
.gallery-note{margin-top:48px; padding:24px; border:1px dashed var(--line); color:var(--text-dim); font-size:14px; line-height:1.6;}

/* PAC model ranges (air/air, air/eau) */
.model-grid{display:grid; grid-template-columns:1fr; gap:32px; margin-top:40px;}
.model-card{border:1px solid var(--line); background:var(--panel); display:flex; flex-direction:column; overflow:hidden;}

/* Carousel (model cards): autoplay + selector */
.model-carousel{position:relative; background:#000; display:flex; flex-direction:column;}
.model-carousel .carousel-viewport{aspect-ratio:16/10; overflow:hidden; position:relative;}
.model-carousel .carousel-track{display:flex; height:100%; transition:transform 0.7s cubic-bezier(.65,.05,.36,1); will-change:transform;}
.model-carousel .carousel-slide{flex:0 0 100%; height:100%; position:relative; background:#000;}
.model-carousel .carousel-slide img{width:100%; height:100%; display:block; object-fit:cover;}
.model-carousel .carousel-slide.is-contain img{object-fit:contain; padding:6% 8%;}
.model-carousel .carousel-caption{position:absolute; left:16px; bottom:14px; font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--text); background:rgba(11,10,9,0.72); padding:6px 10px; pointer-events:none;}
.carousel-dots{display:flex; justify-content:center; align-items:center; gap:10px; padding:16px; background:var(--panel); border-top:1px solid var(--line);}
.carousel-dot{position:relative; width:36px; height:4px; border:none; padding:0; background:rgba(243,238,230,0.22); cursor:pointer;}
.carousel-dot::before{content:''; position:absolute; left:0; right:0; top:-12px; bottom:-12px;}
.carousel-dot .fill{position:absolute; inset:0; background:var(--accent); transform:scaleX(0); transform-origin:left;}
.carousel-dot.is-active .fill{animation:dotfill var(--dur,5s) linear forwards;}
.carousel-dot.is-active.is-static .fill{animation:none; transform:scaleX(1);}
.carousel-dot:hover{background:rgba(243,238,230,0.4);}
.carousel-dot:focus-visible{outline:2px solid var(--accent); outline-offset:6px;}
@keyframes dotfill{from{transform:scaleX(0);} to{transform:scaleX(1);}}
@media (min-width:900px){
  .model-card{flex-direction:row;}
  .model-card .model-carousel{flex:0 0 55%; border-right:1px solid var(--line);}
  .model-card .model-carousel .carousel-viewport{flex:1; aspect-ratio:auto; min-height:380px;}
  .model-card.is-reversed{flex-direction:row-reverse;}
  .model-card.is-reversed .model-carousel{border-right:none; border-left:1px solid var(--line);}
}
.model-card .model-body{padding:32px 32px 36px;}
.model-card .model-eyebrow{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--accent); letter-spacing:0.1em; margin-bottom:6px;}
.model-card h3{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:30px; margin-bottom:10px;}
.model-card .model-tagline{color:var(--text-dim); font-size:14px; line-height:1.6; margin-bottom:20px;}
.model-card .model-feats{list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:24px; flex:1;}
.model-card .model-feats li{font-size:13px; color:var(--text); padding-left:16px; position:relative; line-height:1.5;}
.model-card .model-feats li::before{content:''; position:absolute; left:0; top:7px; width:6px; height:6px; background:var(--accent);}
.model-badges{display:flex; flex-wrap:wrap; gap:8px;}
.model-badge{font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.05em; text-transform:uppercase; color:var(--text-dim); border:1px solid var(--line); padding:6px 12px;}

/* Outdoor unit - acoustic advantages */
.outdoor-quiet{margin-top:56px; border:1px solid var(--line); background:var(--panel); display:grid; grid-template-columns:1fr 1.15fr; overflow:hidden;}
@media (max-width:760px){.outdoor-quiet{grid-template-columns:1fr;}}
.outdoor-quiet .oq-photo{min-height:300px; overflow:hidden;}
.outdoor-quiet .oq-photo img{width:100%; height:100%; object-fit:cover; display:block;}
.outdoor-quiet .oq-body{padding:36px 32px;}
.outdoor-quiet .model-eyebrow{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--accent); letter-spacing:0.1em;}
.outdoor-quiet h3{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:28px; margin:6px 0 12px;}
.outdoor-quiet .oq-lede{color:var(--text-dim); font-size:14px; line-height:1.6; margin-bottom:24px;}
.oq-stats{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:20px;}
.oq-stat{background:var(--ink); padding:18px 16px;}
.oq-stat .val{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:30px; color:var(--text); line-height:1;}
.oq-stat .val small{font-size:15px; color:var(--accent); margin-left:3px;}
.oq-stat .lbl{font-size:12px; color:var(--text-dim); line-height:1.45; margin-top:8px;}
.outdoor-quiet .oq-note{font-size:11px; color:var(--text-dim); font-family:'IBM Plex Mono',monospace; line-height:1.5;}

/* Mitsubishi highlight strip */
.pac-photos{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; margin-top:48px;}
.pac-photos a{display:block; aspect-ratio:4/3; overflow:hidden; border:1px solid var(--line); position:relative;}
.pac-photos img{width:100%; height:100%; object-fit:cover; display:block; transition:transform 0.4s ease;}
.pac-photos a:hover img{transform:scale(1.05);}
.pac-photos .pac-photos-cta{display:flex; align-items:center; justify-content:center; background:var(--panel); font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--text-dim); text-align:center; padding:20px;}
.pac-photos .pac-photos-cta:hover{color:var(--text);}

/* Contact */
.contact-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:64px;}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;}}
.copy-field{display:block; width:100%; text-align:left; background:none; border:none; border-bottom:1px solid var(--line); padding:22px 0; cursor:pointer; color:inherit;}
.copy-field .label{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--text-dim); letter-spacing:0.08em; margin-bottom:8px; display:flex; justify-content:space-between;}
.copy-field .value{font-family:'Big Shoulders Display',sans-serif; font-weight:700; font-size:26px;}
.copy-field .hint{opacity:0; transition:opacity 0.2s ease; color:var(--accent);}
.copy-field:hover .hint{opacity:1;}
.contact-zone{margin-top:32px; padding-top:22px; border-top:1px solid var(--line); color:var(--text-dim); font-size:14px; line-height:1.7;}
.contact-panel{border:1px solid var(--line); background:var(--panel); padding:32px;}
.contact-panel h3{font-family:'Big Shoulders Display',sans-serif; font-weight:800; font-size:22px; margin-bottom:16px;}
.contact-panel p{color:var(--text-dim); font-size:14px; line-height:1.7; margin-bottom:10px;}
.contact-panel .partner-logo{margin-top:20px; max-width:160px; opacity:0.9;}