:root{
  --green:#5AAF37;        /* vert du logo */
  --green-dark:#4A9330;   /* survol */
  --green-light:#A7D98A;  /* accents sur fond sombre */
  --green-pale:#EEF7E7;   /* fonds clairs, pastilles */
  --green-border:#CDE9BB; /* bordures claires */
  --dark:#16261A;         /* fond section contact */
  --darker:#0C1710;       /* fond pied de page */
  --section:#F5FAF1;      /* fond de section clair */
}
html{scroll-behavior:smooth}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,-apple-system,sans-serif;color:#222;background:#fff;overflow-x:hidden}
img,video{max-width:100%}

/* EMPLACEMENTS MÉDIAS (numéros) */
.media{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media .num{font-weight:700;color:var(--green);font-size:18px;z-index:1}
.media img{position:absolute;inset:0;width:100%;height:100%;display:none}
.media-cover img{object-fit:cover}
.media-logo img{object-fit:contain}

/* NAV */
nav{display:flex;justify-content:space-between;align-items:center;padding:16px 48px;background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:100}
.nav-logo{width:170px;height:56px}
.nav-links{display:flex;gap:28px}
.nav-links a{font-size:14px;color:#555;text-decoration:none;cursor:pointer;transition:color .2s}
.nav-links a:hover{color:var(--green)}
.nav-cta{background:var(--green);color:#fff;border:none;padding:10px 22px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}
.nav-cta:hover{background:var(--green-dark)}

/* HERO */
.hero{position:relative;min-height:85vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:#33422C}
.hero-bg .num{color:#fff;font-size:44px}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,23,16,0.9) 0%,rgba(12,23,16,0.55) 60%,rgba(12,23,16,0.15) 100%);pointer-events:none}
.hero-content{position:relative;z-index:1;padding:60px 48px;max-width:640px}
.hero-badge{display:inline-block;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);color:var(--green-light);font-size:12px;padding:5px 16px;border-radius:999px;margin-bottom:22px;letter-spacing:.5px}
.hero h1{font-size:42px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:18px}
.hero h1 span{color:var(--green-light)}
.hero p{font-size:16px;color:rgba(255,255,255,0.75);line-height:1.75;margin-bottom:36px;max-width:480px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-main{background:var(--green);color:#fff;border:none;padding:14px 30px;border-radius:7px;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}
.btn-main:hover{background:var(--green-dark)}
.btn-sec{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.45);padding:14px 30px;border-radius:7px;font-size:15px;cursor:pointer;transition:border-color .2s}
.btn-sec:hover{border-color:#fff}
.hero-stats{display:flex;gap:40px;margin-top:56px;padding-top:40px;border-top:1px solid rgba(255,255,255,0.15)}
.stat strong{display:block;font-size:28px;font-weight:700;color:#fff}
.stat span{font-size:13px;color:rgba(255,255,255,0.55);margin-top:2px;display:block}

/* SECTIONS */
section{padding:72px 48px}
.section-header{text-align:center;margin-bottom:48px}
.section-label{font-size:12px;font-weight:600;color:var(--green);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}
.section-title{font-size:30px;font-weight:700;color:#111;margin-bottom:10px}
.section-sub{font-size:15px;color:#666;max-width:540px;margin:0 auto}

/* SERVICES */
.services-bg{background:var(--section)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px}
.service-card{background:#fff;border:1px solid #ebefec;border-radius:10px;padding:26px 20px;text-align:center}
.service-icon{width:56px;height:56px;border-radius:14px;background:var(--green-pale);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.service-icon i{font-size:28px;color:var(--green)}
.service-card h3{font-size:15px;font-weight:600;color:#111;margin-bottom:6px}
.service-card p{font-size:12px;color:#777;line-height:1.55}

/* ABOUT + VIDÉO */
.about-inner{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:center;max-width:960px;margin:0 auto}
.about-video{border-radius:16px;overflow:hidden;position:relative;aspect-ratio:9/16;background:var(--dark)}
.media-video{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.media-video .num{color:var(--green-light);font-size:44px;font-weight:700;z-index:1}
.media-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
.about-video-badge{position:absolute;bottom:16px;left:16px;background:var(--green);color:#fff;font-size:13px;font-weight:600;padding:8px 16px;border-radius:6px;z-index:3}
.about-text h2{font-size:28px;font-weight:700;color:#111;margin-bottom:16px;line-height:1.3}
.about-text p{font-size:15px;color:#555;line-height:1.75;margin-bottom:16px}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{background:var(--green-pale);color:var(--green-dark);border:1px solid var(--green-border);font-size:12px;font-weight:500;padding:5px 14px;border-radius:999px}

/* CARROUSEL */
.realisations-bg{background:var(--section)}
.carousel{max-width:960px;margin:0 auto;position:relative;display:flex;align-items:center;gap:14px}
.carousel-track{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;flex:1;overflow:hidden}
.carousel-slide{border-radius:10px;overflow:hidden;aspect-ratio:1;position:relative;background:#e8eee9;display:flex;align-items:center;justify-content:center}
.carousel-slide img{width:100%;height:100%;object-fit:cover;display:block}
.carousel-slide.ph{background:var(--green-pale);border:2px dashed var(--green-border)}
.carousel-slide.ph .num{font-size:26px;color:var(--green);font-weight:700}
.carousel-btn{width:46px;height:46px;flex-shrink:0;border-radius:50%;background:var(--green);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;box-shadow:0 3px 10px rgba(90,175,55,0.35);z-index:2}
.carousel-btn:hover{background:var(--green-dark)}
.carousel-btn svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.car-caption{max-width:960px;margin:14px auto 0;text-align:center;font-size:12px;color:#8a9a90}
.thumbs{max-width:960px;margin:20px auto 0;display:grid;grid-template-columns:repeat(9,1fr);gap:8px}
.thumb{border-radius:6px;overflow:hidden;aspect-ratio:1;cursor:pointer;position:relative;border:2px solid transparent;transition:border-color .2s;background:#e8eee9;display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb.active{border-color:var(--green)}
.thumb.ph{background:var(--green-pale);border:2px dashed var(--green-border)}
.thumb.ph.active{border-color:var(--green);border-style:solid}
.thumb.ph .num{font-size:14px;color:var(--green);font-weight:700}

/* CONTACT */
.contact-bg{background:var(--dark)}
.contact-bg .section-title{color:#fff}
.contact-bg .section-sub{color:rgba(255,255,255,0.55)}
.contact-bg .section-label{color:var(--green-light)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:960px;margin:0 auto}
.contact-info{display:flex;flex-direction:column;gap:22px}
.contact-item{display:flex;align-items:flex-start;gap:16px}
.contact-icon{width:48px;height:48px;border-radius:10px;background:rgba(167,217,138,0.16);border:1px solid rgba(167,217,138,0.3);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-icon i{font-size:24px;color:var(--green-light)}
.contact-item strong{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:3px}
.contact-item span{font-size:13px;color:rgba(255,255,255,0.5);line-height:1.6}
.form-card{background:#fff;border-radius:12px;padding:28px}
.form-card h3{font-size:17px;font-weight:700;color:#111;margin-bottom:22px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:12px;font-weight:500;color:#555;margin-bottom:6px}
.form-row label em{color:#c0392b;font-style:normal}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:7px;font-size:13px;color:#111;background:#fafafa;font-family:inherit}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{outline:none;border-color:var(--green);background:#fff}
.form-row textarea{height:80px;resize:none}
.form-submit{width:100%;background:var(--green);color:#fff;border:none;padding:13px;border-radius:7px;font-size:14px;font-weight:600;cursor:pointer;margin-top:4px}
.form-submit:hover{background:var(--green-dark)}

/* FOOTER */
footer{background:var(--darker);padding:28px 48px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer-logo{width:140px;height:44px}
.footer-logo .num{color:#fff}
footer p{font-size:12px;color:rgba(255,255,255,0.35)}

/* BOUTON EXPORT */
#exportbar{position:fixed;bottom:20px;right:20px;z-index:9999}
#exportbar button{background:#111;color:#fff;border:none;padding:12px 18px;border-radius:12px;font-size:13px;font-weight:600;cursor:pointer;box-shadow:0 6px 24px rgba(0,0,0,0.35)}
#exportbar button:hover{background:#333}
#exporttip{position:fixed;bottom:70px;right:20px;z-index:9999;background:var(--green);color:#fff;font-size:12px;padding:8px 14px;border-radius:8px;display:none;max-width:280px}

/* RGE dans l'en-tête */
.nav-left{display:flex;align-items:center;gap:14px}
.nav-rge{width:56px;height:56px;flex-shrink:0}
.nav-rge .num{font-size:12px}

/* ===== RESPONSIVE / MOBILE ===== */
@media (max-width:900px){
  .about-inner{grid-template-columns:1fr;gap:32px;justify-items:center;text-align:center}
  .about-video{width:100%;max-width:300px}
  .about-text{width:100%}
  .tags{justify-content:center}
  .contact-inner{grid-template-columns:1fr;gap:28px}
}
@media (max-width:768px){
  nav{padding:12px 18px;flex-wrap:wrap;gap:10px}
  .nav-links{order:3;width:100%;justify-content:center;gap:16px}
  section{padding:48px 20px}
  .hero{min-height:auto}
  .hero-content{padding:52px 20px;max-width:none}
  .hero h1{font-size:30px}
  .hero p{font-size:15px}
  .hero-stats{gap:22px;margin-top:36px;padding-top:28px;flex-wrap:wrap}
  .stat strong{font-size:22px}
  .section-title{font-size:24px}
  .section-header{margin-bottom:32px}
  .carousel{gap:8px}
  .carousel-btn{width:40px;height:40px}
  .thumbs{grid-template-columns:repeat(6,1fr)}
  footer{flex-direction:column;text-align:center}
  footer p{text-align:center}
}
@media (max-width:480px){
  nav{padding:10px 14px}
  .nav-logo{width:130px;height:46px}
  .nav-rge{width:46px;height:46px}
  .nav-links{gap:12px;font-size:13px}
  .hero h1{font-size:25px}
  .hero-content{padding:44px 18px}
  .services-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .service-card{padding:20px 14px}
  .thumbs{grid-template-columns:repeat(5,1fr)}
  .tag{font-size:11px}
  #exportbar button{padding:10px 12px;font-size:12px}
}