:root{--cream:#F5F0E8;--sand:#E8DDD0;--terra:#C4956A;--earth:#8B6347;--deep:#2C1F14;--forest:#3D5A47;--moss:#6B8F71;--white:#FEFCF8;--gold:#C9A96E;--text:#2C1F14;--text-light:#7A6A5A;}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'DM Sans',sans-serif;background:var(--white);color:var(--text);overflow-x:hidden;}
.lang-bar{position:fixed;top:0;right:0;z-index:200;display:flex;gap:2px;padding:8px 12px;}
.lang-btn{font-size:.65rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:3px;cursor:pointer;border:none;background:rgba(44,31,20,.75);color:rgba(255,255,255,.7);transition:all .25s;backdrop-filter:blur(8px);}
.lang-btn.active,.lang-btn:hover{background:var(--terra);color:white;}
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:transparent;padding:16px 40px;display:flex;align-items:center;justify-content:space-between;transition:all .4s;}
nav.scrolled{background:rgba(254,252,248,.97);backdrop-filter:blur(12px);padding:14px 40px;border-bottom:1px solid rgba(196,149,106,.2);box-shadow:0 2px 30px rgba(44,31,20,.06);}
.nav-logo-img{height:44px;width:auto;display:block;object-fit:contain;filter:drop-shadow(0 0 6px rgba(201,169,110,.5));}
nav.scrolled .nav-logo-img{filter:none;}
.nav-back{font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.85);text-decoration:none;transition:color .3s;}
nav.scrolled .nav-back{color:var(--text-light);}
.nav-back:hover{color:var(--terra)!important;}
.container{max-width:1160px;margin:0 auto;padding:0 40px;}
.container-sm{max-width:860px;margin:0 auto;padding:0 40px;}
.section-label{font-size:.65rem;font-weight:500;letter-spacing:.25em;text-transform:uppercase;color:var(--terra);margin-bottom:16px;display:block;}
.section-title{font-family:'Cormorant Garamond',serif;font-size:clamp(2rem,4.5vw,3.4rem);font-weight:300;line-height:1.15;color:var(--deep);}
.section-title em{font-style:italic;color:var(--terra);}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s;}
.reveal.visible{opacity:1;transform:translateY(0);}
.btn-primary{display:inline-flex;align-items:center;gap:10px;background:var(--terra);color:white;padding:14px 28px;border-radius:2px;font-size:.78rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;transition:all .3s;}
.btn-primary:hover{background:var(--earth);transform:translateY(-2px);}
/* HERO */
.page-hero{position:relative;min-height:58vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--deep);padding:120px 0 90px;}
.page-hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(196,149,106,.2) 0%,transparent 60%),linear-gradient(160deg,#1a1208 0%,#2C1F14 50%,#3a2a1c 100%);}
.page-hero-pattern{position:absolute;inset:0;opacity:.04;background-image:radial-gradient(circle,#C4956A 1px,transparent 1px);background-size:40px 40px;}
.page-hero-arc{position:absolute;bottom:-2px;left:0;right:0;height:80px;background:var(--white);border-radius:50% 50% 0 0/100% 100% 0 0;transform:scaleX(1.1);}
.page-hero-content{position:relative;text-align:center;padding:0 24px;max-width:800px;}
.hero-eyebrow{display:inline-block;font-size:.7rem;font-weight:500;letter-spacing:.25em;text-transform:uppercase;color:var(--gold);margin-bottom:24px;}
.page-hero h1{font-family:'Cormorant Garamond',serif;font-size:clamp(2.5rem,6vw,4.8rem);font-weight:300;line-height:1.05;color:var(--white);margin-bottom:24px;}
.page-hero h1 em{font-style:italic;color:var(--terra);}
.page-hero p.hero-sub{font-size:clamp(.95rem,2vw,1.05rem);font-weight:300;color:rgba(255,255,255,.6);line-height:1.7;max-width:600px;margin:0 auto;}
/* SECTIONS */
.section{padding:90px 0;}
.section.bg-cream{background:var(--cream);}
.section.bg-deep{background:var(--deep);}
.section.bg-white{background:var(--white);}
.section-header{text-align:center;margin-bottom:60px;}
.section-header p{font-size:1rem;line-height:1.8;color:var(--text-light);max-width:720px;margin:20px auto 0;}
/* INTRO GRID */
.intro-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:60px;align-items:center;}
.intro-text h2{font-family:'Cormorant Garamond',serif;font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:300;color:var(--deep);line-height:1.2;margin-bottom:20px;}
.intro-text h2 em{font-style:italic;color:var(--terra);}
.intro-text p{font-size:.95rem;line-height:1.85;color:var(--text-light);margin-bottom:14px;}
.intro-text ul{margin:12px 0 16px 18px;}
.intro-text ul li{font-size:.92rem;line-height:1.7;color:var(--text-light);margin-bottom:6px;}
.intro-text strong{color:var(--deep);font-weight:500;}
.infographic{width:100%;border-radius:6px;overflow:hidden;box-shadow:0 16px 60px rgba(44,31,20,.15);}
.infographic img{width:100%;display:block;}
/* STATS BAR */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;margin:60px 0 0;}
.stat-box{background:var(--deep);padding:36px 24px;text-align:center;}
.stat-box .val{font-family:'Cormorant Garamond',serif;font-size:2.6rem;font-weight:300;color:var(--gold);line-height:1;}
.stat-box .unit{font-size:.68rem;color:rgba(255,255,255,.35);letter-spacing:.12em;text-transform:uppercase;margin-top:4px;}
.stat-box .desc{font-size:.82rem;color:rgba(255,255,255,.5);margin-top:10px;line-height:1.5;}
/* PROPS GRID */
.props-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.prop-card{background:white;padding:36px;border-radius:4px;border-top:3px solid var(--terra);box-shadow:0 4px 24px rgba(44,31,20,.06);transition:all .3s;}
.prop-card:nth-child(2){border-top-color:var(--forest);}
.prop-card:nth-child(3){border-top-color:var(--gold);}
.prop-card:nth-child(4){border-top-color:var(--earth);}
.prop-card:nth-child(5){border-top-color:var(--moss);}
.prop-card:nth-child(6){border-top-color:var(--terra);}
.prop-card:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(44,31,20,.1);}
.prop-icon{font-size:2.2rem;margin-bottom:14px;}
.prop-card h3{font-family:'Cormorant Garamond',serif;font-size:1.3rem;color:var(--deep);margin-bottom:10px;}
.prop-card p{font-size:.87rem;line-height:1.75;color:var(--text-light);}
/* IMAGE FULL */
.img-full{width:100%;border-radius:6px;display:block;box-shadow:0 12px 50px rgba(44,31,20,.12);}
/* FABRICATION */
.fab-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;margin-top:50px;}
.fab-step{background:white;padding:36px;position:relative;}
.fab-step-num{font-family:'Cormorant Garamond',serif;font-size:4rem;font-weight:300;color:var(--sand);position:absolute;top:16px;right:20px;line-height:1;}
.fab-step h3{font-family:'Cormorant Garamond',serif;font-size:1.3rem;color:var(--deep);margin-bottom:12px;}
.fab-step p{font-size:.87rem;line-height:1.75;color:var(--text-light);}
.fab-step ul{margin:10px 0 0 16px;}
.fab-step ul li{font-size:.85rem;line-height:1.7;color:var(--text-light);margin-bottom:4px;}
/* NORMES */
.normes-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:50px;}
.normes-list{display:flex;flex-direction:column;gap:16px;}
.norme-item{background:white;padding:24px 28px;border-radius:4px;display:flex;gap:16px;align-items:flex-start;border-left:3px solid var(--terra);}
.norme-icon{font-size:1.6rem;flex-shrink:0;margin-top:2px;}
.norme-item h4{font-family:'Cormorant Garamond',serif;font-size:1.1rem;color:var(--deep);margin-bottom:6px;}
.norme-item p{font-size:.85rem;line-height:1.7;color:var(--text-light);}
/* RADIOACTIVITE TABLE */
.radio-table{width:100%;border-collapse:collapse;margin-top:24px;border-radius:4px;overflow:hidden;}
.radio-table th{background:var(--deep);color:var(--gold);font-size:.72rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;padding:14px 18px;text-align:left;}
.radio-table td{padding:13px 18px;font-size:.88rem;border-bottom:1px solid var(--sand);color:var(--text-light);}
.radio-table tr:last-child td{border-bottom:none;background:rgba(61,90,71,.08);font-weight:600;color:var(--forest);}
.radio-table td:first-child{color:var(--deep);}
/* SAIN GRID */
.sain-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;margin-top:50px;}
.sain-checklist{list-style:none;margin:16px 0;}
.sain-checklist li{font-size:.9rem;line-height:1.7;color:var(--text-light);padding:8px 0;border-bottom:1px solid var(--sand);display:flex;gap:12px;align-items:flex-start;}
.sain-checklist li::before{content:'✓';color:var(--forest);font-weight:700;flex-shrink:0;margin-top:1px;}
/* APPLICATIONS */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;}
.app-card{background:var(--deep);padding:36px;border-radius:4px;text-align:center;}
.app-card .app-icon{font-size:2.4rem;margin-bottom:16px;}
.app-card h4{font-family:'Cormorant Garamond',serif;font-size:1.2rem;color:var(--gold);margin-bottom:10px;}
.app-card p{font-size:.85rem;line-height:1.7;color:rgba(255,255,255,.55);}
/* CTA BAND */
.cta-band{background:var(--terra);padding:80px 0;text-align:center;}
.cta-band h2{font-family:'Cormorant Garamond',serif;font-size:clamp(1.8rem,4vw,3rem);font-weight:300;color:white;margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.75);font-size:.95rem;margin-bottom:36px;}
.btn-white{display:inline-flex;align-items:center;gap:10px;background:white;color:var(--terra);padding:16px 36px;border-radius:2px;font-size:.8rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;transition:all .3s;}
.btn-white:hover{background:var(--deep);color:white;}
/* FOOTER */
footer{background:var(--deep);padding:40px;}
.footer-inner{max-width:1160px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;}
.footer-logo-img{height:48px;width:auto;object-fit:contain;filter:brightness(.85);}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;}
.footer-links a{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.35);text-decoration:none;transition:color .3s;}
.footer-links a:hover{color:var(--terra);}
.footer-copy{font-size:.72rem;color:rgba(255,255,255,.25);}
/* RESPONSIVE */
@media(max-width:900px){
  .intro-grid,.normes-grid,.sain-grid{grid-template-columns:1fr;gap:40px;}
  .fab-steps,.props-grid,.app-grid{grid-template-columns:1fr;}
  .stats-bar{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  nav{padding:14px 20px;}
  .container,.container-sm{padding:0 20px;}
  .section{padding:64px 0;}
  .stats-bar{grid-template-columns:1fr 1fr;}
  .lang-bar{padding:6px 8px;}
  .lang-btn{padding:5px 8px;font-size:.6rem;}
  footer{padding:30px 20px;}
}

.testimonial{background:var(--deep);border-left:4px solid var(--gold);padding:28px 32px;border-radius:0 4px 4px 0;margin:28px 0;}
.testimonial p{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.05rem;line-height:1.8;color:rgba(255,255,255,.75);}
.testimonial cite{display:block;font-size:.78rem;color:var(--gold);letter-spacing:.1em;text-transform:uppercase;margin-top:14px;font-style:normal;}
.winter-table{width:100%;border-collapse:collapse;margin:28px 0;border-radius:4px;overflow:hidden;}
.winter-table th{background:var(--deep);color:var(--gold);font-size:.72rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;padding:14px 18px;text-align:left;}
.winter-table td{padding:13px 18px;font-size:.9rem;border-bottom:1px solid var(--sand);color:var(--text-light);}
.winter-table tr:nth-child(2) td{background:rgba(196,149,106,.06);}
.winter-table tr:nth-child(3) td{background:rgba(61,90,71,.08);font-weight:600;color:var(--deep);}
.winter-table tr:last-child td{border-bottom:none;}