/* Reset & Base */
:root{
  --primary-color:#2A2A2A;
  --secondary-color:#666;
  --light-color:#F8F8F8;
  --lighter-color:#FAFAFA;
  --white:#FFF;
  --border-color:#D0D0D0;
  --font-primary:'Montserrat',sans-serif;
  --font-secondary:'Inter',sans-serif;
  --banner-height:50px;
  --header-height:100px;
  --overlay-bg:#FFFFFF;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-secondary);color:var(--primary-color);line-height:1.6;background:var(--white);overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.button{display:inline-block;padding:12px 24px;border-radius:4px;font-family:var(--font-primary);font-weight:500;transition:.3s ease;cursor:pointer}
.button.primary{background:var(--primary-color);color:var(--white);border:none}
.button.primary:hover{background:#1A1A1A}
.button.secondary{background:transparent;color:var(--primary-color);border:1px solid var(--border-color)}
.button.secondary:hover{background:var(--light-color)}
.button.secondary.bold-white{font-weight:700;color:#FFF;background:var(--primary-color)}
.button.white-bold{background:#FFF;color:var(--primary-color);font-weight:700;border:1px solid var(--primary-color)}
.button.white-bold:hover{background:var(--light-color)}

/* Top Banner */
.top-banner{position:fixed;top:0;left:0;width:100%;background:var(--primary-color);color:#FFF;z-index:1100;padding:10px 0}
.banner-content{display:flex;align-items:center;gap:12px}
.banner-logo{width:50px;height:auto}
.banner-text{flex:1 1 auto}
.banner-close{background:none;border:none;color:#FFF;font-size:24px;margin-left:auto;cursor:pointer;line-height:1}

/* Mobile banner readability */
@media (max-width:576px){
  .banner-content{flex-wrap:wrap;gap:8px;justify-content:center}
  .banner-logo{width:42px}
  .banner-text{flex:1 1 100%;text-align:center;font-size:13.5px;line-height:1.35}
  .banner-close{font-size:28px}
}

/* Header */
.header{position:fixed;top:var(--banner-height);left:0;width:100%;background:#FFF;box-shadow:0 2px 10px rgba(0,0,0,.05);z-index:1000;padding:10px 0}
.header .container{display:flex;justify-content:space-between;align-items:center}
.logo-img{max-width:120px;height:auto}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-item{position:relative}
.nav-link{font-family:var(--font-primary);font-weight:600;font-size:18px;padding:10px 0}
.nav-link:hover{color:var(--secondary-color)}
.dropdown-menu{position:absolute;top:100%;left:0;background:#FFF;box-shadow:0 4px 10px rgba(0,0,0,.1);display:none;min-width:300px;z-index:1001}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-img{width:100px;height:100px;object-fit:cover;border-radius:4px}
.dropdown-menu a{display:flex;align-items:center;gap:10px;padding:10px 15px;color:var(--primary-color);font-weight:700}
.dropdown-menu a:hover{background:var(--light-color)}
.header-right{display:flex;align-items:center;gap:20px}
.mobile-menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer}

/* Mobile menu */
@media (max-width:768px){
  .nav-list{display:none}
  .mobile-menu-toggle{display:block;z-index:1200}
  .header .container{position:relative}
  .nav-list.mobile-open{
    display:flex;position:fixed;left:0;top:var(--header-height);
    width:100%;height:calc(100vh - var(--header-height));
    background:var(--overlay-bg);
    flex-direction:column;align-items:center;justify-content:flex-start;
    padding:20px 16px 32px;gap:0;z-index:1100;overflow:auto;
  }
  .dropdown:hover .dropdown-menu,
  .dropdown .dropdown-menu{display:none !important}
  .nav-list.mobile-open .nav-item{width:100%}
  .nav-list.mobile-open .nav-link{
    display:block;width:100%;
    padding:14px 0;
    text-align:center;
    border-bottom:1px solid var(--border-color);
  }
  .nav-list.mobile-open .nav-item:last-child .nav-link{border-bottom:none}
}

/* Hero */
.hero{position:relative;min-height:100vh;overflow:hidden;display:flex;align-items:center;z-index:1;margin-top:var(--header-height)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center}
.hero-content{color:#FFF;text-align:center;max-width:700px;margin:0 auto;padding-top:40px}
.hero-title{font-family:var(--font-primary);font-size:48px;font-weight:300;line-height:1.2;margin-bottom:20px}
.hero-title .highlight{font-weight:600}
.hero-subtitle{font-size:18px;margin-bottom:30px}
.hero-buttons{display:flex;gap:20px;justify-content:center}

/* Sections */
.section{padding:60px 0}
.section-title{font-family:var(--font-primary);font-size:36px;font-weight:600;text-align:center;margin-bottom:15px}
.section-subtitle{font-size:18px;color:var(--secondary-color);text-align:center;max-width:700px;margin:0 auto 40px}

/* Produits grid */
.ecrans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.ecran-card{background:#FFF;border-radius:8px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.05);transition:.3s ease}
.ecran-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.1)}
.ecran-image{height:280px;overflow:hidden}
.ecran-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ecran-card:hover .ecran-image img{transform:scale(1.05)}
.ecran-title{padding:18px 18px 0;font-family:var(--font-primary);font-size:20px;font-weight:600}
.ecran-description{padding:10px 18px 18px;color:var(--secondary-color);font-size:14px}
.ecran-link{display:inline-block;padding:0 18px 18px;color:var(--primary-color);font-weight:600}

/* Stands */
.stands-main-title{font-size:36px;font-weight:800;text-transform:uppercase;background:linear-gradient(45deg,#2A2A2A,#666);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center;margin-bottom:10px;letter-spacing:2px}
.stands-subtitle{text-align:center;color:var(--secondary-color);margin-bottom:30px}
.stands-content{display:flex;align-items:center;gap:40px}
.stands-text{flex:1;text-align:center}

/* Features (cards) */
.stands-features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
  margin-bottom:20px;
}
.feature-card{
  display:flex;align-items:center;gap:14px;padding:16px 14px;border-radius:14px;
  background:linear-gradient(180deg,#FFFFFF 0%, #F7F7F7 100%);
  border:1px solid #EAEAEA;box-shadow:0 6px 20px rgba(0,0,0,.06);
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;text-align:left;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.10);background:linear-gradient(180deg,#FFFFFF 0%, #F2F2F2 100%)}
.feature-icon{
  width:46px;height:46px;min-width:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;
  background:radial-gradient(100% 100% at 50% 0%, #EFEFEF 0%, #E4E4E4 100%);color:#2A2A2A;border:1px solid #DCDCDC;
}
.feature-icon i{font-size:20px;line-height:1}
.feature-text{font-family:var(--font-primary);font-weight:600;color:#2A2A2A}

/* Stands visuals */
.stands-media{
  position:relative;flex:1.3;max-width:100%;overflow:hidden;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.1);margin:0 auto;
}
.stands-image-static{display:block;width:100%;height:auto;object-fit:cover}

/* Big screens balance */
@media (min-width:992px){
  .stands-text{min-width:460px}
  .stands-media{
    flex:0 0 clamp(540px, 52vw, 700px);
    max-width:clamp(540px, 52vw, 700px);
  }
}

/* Pourquoi */
.pourquoi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:30px;margin-top:10px}
.pourquoi-item{text-align:center;padding:24px 18px;background:#FFF;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,.06)}
.pourquoi-icon{font-size:42px;color:var(--primary-color);margin-bottom:12px}
.pourquoi-title{font-family:var(--font-primary);font-size:18px;font-weight:700;margin-bottom:8px}
.pourquoi-text{color:var(--secondary-color);font-size:14px}

/* Témoignages */
.testimonials{max-width:800px;margin:40px auto 0;text-align:center}
.testimonial-slider{position:relative;margin-bottom:14px}
.testimonial-item{display:none;padding:0 18px}
.testimonial-item.active{display:block}
.testimonial-text{font-style:italic;font-size:18px;margin-bottom:10px}
.testimonial-author{font-size:14px;color:var(--secondary-color)}
.testimonial-dots{display:flex;justify-content:center;gap:10px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--border-color);cursor:pointer;transition:.3s}
.dot.active{background:var(--primary-color)}

/* Partenaires */
.partners{margin-top:50px;text-align:center}
.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;align-items:center}
.partner-item img{width:100%;height:auto;filter:grayscale(100%);transition:filter .3s ease,opacity .3s ease}
.partner-item:hover img{filter:grayscale(0%);opacity:1}

/* Réalisations */
.realisations-filters{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.filter-button{padding:8px 14px;background:transparent;border:1px solid var(--border-color);border-radius:4px;cursor:pointer}
.filter-button.active{background:var(--primary-color);color:#FFF;border-color:var(--primary-color)}
.realisations-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.realisation-item{position:relative;border-radius:8px;overflow:hidden;display:none;height:220px}
.realisation-item img{width:100%;height:100%;object-fit:cover}
.realisation-overlay{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#FFF;padding:12px}
.realisation-title{font-family:var(--font-primary);font-weight:600}

/* Actualités */
.actualites-section{background:var(--lighter-color)}
.actualites-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.actualite-item{background:#FFF;border-radius:8px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.05);transition:.3s}
.actualite-item:hover{transform:translateY(-4px)}
.actualite-item img{width:100%;height:180px;object-fit:cover}
.actualite-title{padding:16px 16px 8px;font-family:var(--font-primary);font-size:18px;font-weight:600}
.actualite-excerpt{padding:0 16px 10px;color:var(--secondary-color);font-size:14px}
.actualite-link{display:inline-block;padding:0 16px 16px;color:var(--primary-color);font-weight:600}

/* À propos */
.about-content{display:flex;gap:40px;align-items:center}
.about-text p{margin-bottom:14px}
.about-image img{width:100%;height:auto;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.1)}

/* Contact */
.contact-section{background:#222;color:#FFF}
.contact-content{padding:70px 20px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:1200px;margin:0 auto}
.contact-right{display:flex;flex-direction:column;justify-content:center;align-items:center;background:#333;padding:30px;border-radius:8px}
.contact-right h3{font-family:var(--font-primary);font-size:22px;margin-bottom:14px}
.contact-right p{margin-bottom:14px}
.contact-right-icon{font-size:48px;color:#FFF;margin-bottom:8px}
.contact-subtitle{margin-bottom:24px}
.contact-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.form-group{margin-bottom:8px}
.form-group label{display:block;margin-bottom:6px;font-weight:600}
.form-input{width:100%;padding:12px;border:1px solid #CCC;border-radius:4px;background:#FFF;color:#000}
.form-range{width:100%}
.range-value{display:inline-block;margin-left:8px;font-weight:600}
.submit-button{grid-column:1/-1;padding:16px;font-size:18px}
.mini-form{width:100%;max-width:420px}
.mini-form .form-group{margin-bottom:12px}
.mini-form .form-input{padding:14px 14px;font-size:16px}
.mini-submit{width:100%;padding:14px 16px;font-size:16px}

/* Footer */
.footer{background:var(--light-color);padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:20px}
.footer-item .footer-title{font-family:var(--font-primary);font-size:18px;font-weight:700;margin-bottom:12px}
.footer-item .footer-text{font-size:12px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--secondary-color)}
.footer-links a:hover{color:var(--primary-color)}
.footer-bottom{display:flex;justify-content:flex-end;align-items:center;padding-top:10px}
.footer-legal{display:flex;gap:18px}
.footer-legal a{color:var(--secondary-color);font-size:14px}
.footer-additional{display:flex;flex-direction:column;align-items:center;gap:10px;padding-top:16px;border-top:1px solid var(--border-color);margin-top:10px}
.french-text p{font-family:var(--font-primary);font-weight:800;letter-spacing:1px}
.tricolor-line{width:50%;height:5px;background:linear-gradient(90deg,#0055A4 0 33%,#FFF 33% 66%,#EF4135 66% 100%)}
.beelyme-section{background:#000;color:#FFF;padding:16px;text-align:center;margin-top:16px;border-radius:6px}
.beelyme-logo{width:100px;height:auto;margin-bottom:8px}
.beelyme-text{font-size:14px;line-height:1.5}
@media (max-width:576px){
  .beelyme-text{font-size:13px}
}
.footer-follow{text-align:center;padding:16px 0}
.follow-us h4{font-family:var(--font-primary);font-size:18px;font-weight:600;margin-bottom:8px}
.follow-us .social-links{display:flex;justify-content:center;gap:12px}
.siteopyright{font-size:14px;color:var(--secondary-color);margin-top:8px}

/* Scroll-to-top button */
.scroll-to-top{
  position:fixed;bottom:24px;right:24px;
  background:var(--primary-color);color:#FFF;border:none;
  width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  cursor:pointer;transition:.3s;z-index:1200;
  box-shadow:0 6px 16px rgba(0,0,0,.18);
}
.scroll-to-top:hover{background:#1A1A1A}

/* Responsive */
@media (max-width:992px){
  .hero-title{font-size:40px}
  .contact-grid{grid-template-columns:1fr}
  .about-content{flex-direction:column}
}
@media (max-width:768px){
  .stands-content{flex-direction:column}
  .ecran-image{height:220px}
  .realisation-item{height:180px}
  .hero-title{font-size:32px}
}
@media (max-width:576px){
  .hero-buttons{flex-direction:column}
  .button{width:100%}
  .partners-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
  .realisation-item{height:150px}
  .actualite-item img{height:160px}
}