:root{
  --green:#3a9d34;--green-d:#2a7d27;--green-l:#7cc84a;--green-xl:#eef8e9;
  --navy:#17222e;--navy-2:#22313f;--ink:#1d2733;--muted:#5d6b78;--line:#e3e8ee;--bg-soft:#f5f8f6;
  --wa:#25d366;--wa-d:#1da851;--warn:#d98a00;--off:#8a95a1;--radius:14px;--shadow:0 6px 24px rgba(23,34,46,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Poppins',system-ui,sans-serif;color:var(--ink);font-size:15.5px;line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;color:var(--navy);line-height:1.25;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(1.8rem,3.6vw,2.9rem);letter-spacing:-.02em}
h2{font-size:clamp(1.35rem,2.4vw,1.9rem);letter-spacing:-.01em}
h3{font-size:1.1rem}
p{margin:0 0 1em}
a{color:var(--green-d);text-decoration:none}
a:hover{color:var(--green)}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px}
.narrow{max-width:860px}
.center{text-align:center}
.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:999}
.hp{position:absolute!important;left:-9999px!important;height:0;overflow:hidden}
.muted{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--green-l),var(--green) 45%,var(--green-d));color:#fff;border:0;border-radius:999px;padding:11px 22px;font:600 .95rem 'Poppins',sans-serif;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(58,157,52,.28);text-align:center}
.btn:hover{color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(58,157,52,.35)}
.btn-sm{padding:7px 15px;font-size:.85rem}
.btn-lg{padding:14px 28px;font-size:1rem}
.btn-block{width:100%}
.btn-wa{background:var(--wa);box-shadow:0 4px 14px rgba(37,211,102,.3)}
.btn-wa:hover{background:var(--wa-d)}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{color:var(--green-d)}
.ico-wa{flex:none}
.link-more{font-weight:600}

/* Topbar / header */
.topbar{background:var(--navy);color:#cfd8e1;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px}
.topbar a{color:#9be27a;font-weight:600}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.logo img{width:230px;height:auto}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav a{color:var(--navy);font-weight:500;font-size:.88rem;padding:8px 10px;border-radius:8px;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--green-d);background:var(--green-xl)}
.nav a.nav-hot{color:var(--green-d);font-weight:700}
.nav a.nav-hot::before{content:'🔥 '}
.nav .nav-cta{color:#fff;margin-left:6px}
.nav .nav-cta:hover{color:#fff;background:none}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.2s}

/* Alerts & badges */
.alert{padding:12px 16px;border-radius:10px;margin:14px 0;font-size:.92rem}
.alert-error{background:#fdecec;color:#a12626}
.alert-success{background:var(--green-xl);color:var(--green-d)}
.alert-info{background:#eef5fb;color:#2b4b68}
.badge{display:inline-block;font-size:.72rem;font-weight:600;padding:4px 10px;border-radius:999px;line-height:1.3}
.badge-ok{background:var(--green-xl);color:var(--green-d)}
.badge-warn{background:#fff4dd;color:#9a6200}
.badge-off{background:#eef1f4;color:var(--off)}
.badge-soft{background:#eef2f6;color:var(--navy-2)}
.eyebrow{display:inline-block;color:var(--green-d);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:#f4f7f4}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% center}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 38%,rgba(255,255,255,0) 66%)}
.hero-in{position:relative;z-index:1;padding:60px 20px}
.hero-in>*{max-width:560px}
.lead{font-size:1.08rem;color:var(--muted)}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;list-style:none;padding:0;margin:0;font-weight:600;color:var(--navy);font-size:.92rem}

/* Sections */
.section{padding:64px 0}
.section-soft{background:var(--bg-soft)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head.center{justify-content:center;text-align:center;flex-direction:column;align-items:center}
.section-head h2{margin:0}
.page-head{background:#f3f6f4 center/cover no-repeat;padding:46px 0 40px;position:relative}
.page-head::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.95),rgba(255,255,255,.75))}
.page-head .container{position:relative}
.page-head p{max-width:720px;color:var(--muted)}
.crumbs{font-size:.82rem;color:var(--muted);margin-bottom:10px}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--green-d)}

/* Reassurance */
.reassure{border-bottom:1px solid var(--line)}
.reassure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 20px}
.reassure-grid>div{display:grid;grid-template-columns:56px 1fr;column-gap:14px;align-items:center}
.reassure-grid img{grid-row:span 2;width:52px;height:52px;object-fit:contain}
.reassure-grid strong{color:var(--navy);font-size:.95rem}
.reassure-grid span{color:var(--muted);font-size:.84rem;line-height:1.35}
.reassure-grid.boxed{padding:0}
.reassure-grid.boxed>div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}

/* Product cards */
.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card-product{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.card-product:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.cp-img{position:relative;display:block;aspect-ratio:1;background:#fff;border-bottom:1px solid var(--line)}
.cp-img img{width:100%;height:100%;object-fit:contain;padding:14px}
.cp-img .badge{position:absolute;top:10px;left:10px}
.badge-video{position:absolute;top:10px;right:10px;background:var(--navy);color:#fff;font-size:.7rem;font-weight:600;padding:4px 9px;border-radius:999px}
.cp-body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.cp-brand{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--green-d);font-weight:600}
.cp-title{font-size:.98rem;margin:2px 0 8px;font-weight:600}
.cp-title a{color:var(--navy)}
.cp-specs{list-style:none;padding:0;margin:0 0 12px;font-size:.8rem;color:var(--muted);line-height:1.5}
.cp-specs li::before{content:'• ';color:var(--green)}
.cp-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px}
.cp-price{font-size:1.25rem;font-weight:700;color:var(--navy)}

/* Categories */
.grid-cats{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.card-cat{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:12px 12px 16px;text-align:center;color:var(--navy);transition:.2s}
.card-cat:hover{box-shadow:var(--shadow);transform:translateY(-3px);color:var(--green-d)}
.card-cat img{aspect-ratio:1;object-fit:contain;margin-bottom:8px;border-radius:10px}
.card-cat strong{font-size:.92rem}

/* Steps */
.steps-section{background:#f7f9f8 center/cover no-repeat;position:relative}
.steps-section::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,.82)}
.steps-section .container{position:relative}
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:0;margin:0;counter-reset:s}
.steps li{background:#fff;border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow)}
.steps span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--green-l),var(--green-d));color:#fff;font-weight:700;margin-bottom:12px}
.steps strong{display:block;color:var(--navy);margin-bottom:4px}
.steps p{margin:0;color:var(--muted);font-size:.9rem}

/* Split */
.split-in{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-img img{border-radius:20px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.checks{list-style:none;padding:0;margin:0 0 22px}
.checks li{padding-left:28px;position:relative;margin-bottom:8px}
.checks li::before{content:'✓';position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--green-xl);color:var(--green-d);font-weight:700;font-size:.75rem;display:grid;place-items:center;margin-top:3px}

/* Eco */
.eco{background:var(--navy) center/cover no-repeat;color:#dbe6ef;text-align:center;padding:90px 0}
.eco-in{max-width:760px}
.eco img{margin:0 auto 16px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.3));background:#fff;border-radius:50%;padding:10px}
.eco h2{color:#fff}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:600;color:var(--navy);list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:18px;top:12px;font-size:1.3rem;color:var(--green)}
.faq details[open] summary::after{content:'–'}
.faq details p{padding:0 18px 16px;margin:0;color:var(--muted)}
.faq.small summary{font-size:.9rem;padding:12px 40px 12px 14px}
.faq.small details p{font-size:.88rem;padding:0 14px 12px}

/* Cities */
.city-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.city-cloud a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.85rem;color:var(--navy)}
.city-cloud a:hover{border-color:var(--green);color:var(--green-d)}
.city-cloud small{color:var(--muted)}
.city-head{padding:50px 0}
.city-head-in{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center}
.city-illu{border-radius:24px;box-shadow:var(--shadow);background:#fff}
.hero-points.dark{color:var(--navy)}
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.use{border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.use p{color:var(--muted);margin:0}
.use-cta{background:var(--green-xl);border-color:transparent}
.use-cta p{margin-bottom:14px}
.regions{columns:3 300px;column-gap:30px;margin-top:30px}
.region{break-inside:avoid;margin-bottom:26px}
.region h2{font-size:1.1rem;border-bottom:2px solid var(--green-xl);padding-bottom:6px}
.region ul{list-style:none;padding:0;margin:0}
.region li{padding:3px 0;font-size:.92rem}
.region small{color:var(--muted)}
.letters{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.letters a{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;font-weight:600}
.letter{margin-top:24px;color:var(--green-d)}
.city-list{list-style:none;padding:0;margin:0;columns:4 200px;column-gap:20px}
.city-list li{padding:2px 0;font-size:.9rem;break-inside:avoid}
.city-list small{color:var(--muted)}

/* Catalog */
.catalog{display:grid;grid-template-columns:250px 1fr;gap:30px;align-items:start}
.catalog .grid-products{grid-template-columns:repeat(3,1fr)}
.filters{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.filters summary{font-weight:700;color:var(--navy);cursor:pointer;list-style:none;margin-bottom:12px}
.filters summary::-webkit-details-marker{display:none}
.filters summary::after{content:' ▾';color:var(--green)}
.filters:not([open]) summary{margin:0}
.filters label{display:block;font-size:.82rem;font-weight:600;color:var(--navy);margin-bottom:14px}
.filter-block{margin-bottom:14px;font-size:.88rem}
.filter-block strong{display:block;font-size:.82rem;color:var(--navy);margin-bottom:4px}
.filter-block a{display:block;padding:3px 0;color:var(--ink)}
.count{color:var(--muted);font-size:.88rem;margin-bottom:14px}
.empty{text-align:center;padding:50px 20px;border:1px dashed var(--line);border-radius:var(--radius)}

/* Forms */
input,select,textarea{width:100%;font:400 .95rem 'Poppins',sans-serif;padding:11px 13px;border:1px solid #cfd8e1;border-radius:10px;background:#fff;color:var(--ink);margin-top:5px;transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px rgba(58,157,52,.15)}
.form label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:14px}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.82rem;color:var(--muted)}
.form .check input{width:auto;margin-top:3px}
.form .qty input{max-width:120px;display:block}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-title{font-size:1.3rem;margin-bottom:4px}
.form-sub,.form-note{font-size:.85rem;color:var(--muted)}
.form-note{text-align:center;margin:10px 0 0}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.devis-grid{display:grid;grid-template-columns:1fr 360px;gap:36px;align-items:start}
.devis-side img{border-radius:var(--radius);margin-bottom:16px;background:#fff}
.devis-side .btn{margin-bottom:20px}

/* Product page */
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.gallery-main{border:1px solid var(--line);border-radius:20px;background:#fff;aspect-ratio:1;display:grid;place-items:center;overflow:hidden}
.gallery-main img{max-height:100%;object-fit:contain;padding:20px}
.gallery-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery-thumbs button{border:1px solid var(--line);border-radius:10px;background:#fff;padding:4px;cursor:pointer;width:76px;height:76px}
.gallery-thumbs img{width:100%;height:100%;object-fit:contain}
.tiktok-embed-wrap{position:relative;width:100%;max-width:340px;margin:0 auto 10px;aspect-ratio:9/16.5;border-radius:16px;overflow:hidden;background:#000}
.tiktok-embed-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.product-media .link-more{display:block;text-align:center}
.product-info h1{font-size:clamp(1.5rem,2.6vw,2.1rem)}
.product-meta{display:flex;gap:8px;margin-bottom:16px}
.product-price{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.product-price strong{font-size:2.2rem;color:var(--navy);line-height:1}
.product-price s{color:var(--off)}
.product-price small{color:var(--muted)}
.product-desc{color:var(--muted)}
.product-trust{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:8px}
.product-trust li{display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:500}
.product-trust img{width:28px;height:28px;object-fit:contain}
.product-ctas{display:flex;gap:12px;flex-wrap:wrap}
.product-bottom{display:grid;grid-template-columns:1fr 440px;gap:48px;margin-top:56px;align-items:start}
.product-form{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);scroll-margin-top:100px}
#demande{scroll-margin-top:100px}
.specs{width:100%;border-collapse:collapse;margin-bottom:30px;font-size:.92rem}
.specs th,.specs td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{width:36%;color:var(--navy);font-weight:600;background:var(--bg-soft)}
.prose h2{margin-top:1.6em;font-size:1.3rem}
.prose ul{padding-left:1.2em}
.prose .box{background:var(--bg-soft);border-left:4px solid var(--green);padding:14px 18px;border-radius:8px;margin:1em 0;font-size:.92rem}

/* Thanks */
.thanks img{margin:0 auto 16px}
.thanks .ref{font-size:1.05rem}

/* Footer */
.footer{background:var(--navy);color:#b7c3cf;font-size:.9rem;margin-top:0}
.footer-cta{background:linear-gradient(135deg,var(--green-d),var(--green) 60%,var(--green-l))}
.footer-cta-in{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:34px 20px;flex-wrap:wrap}
.footer-cta h2{color:#fff;margin:0 0 4px;font-size:1.5rem}
.footer-cta p{color:#eaf7e4;margin:0}
.footer-cta .btn-wa{background:#fff;color:var(--green-d)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.4fr 1fr;gap:36px;padding:50px 20px 30px}
.footer h3{color:#fff;font-size:.95rem;margin-bottom:12px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{padding:3px 0}
.footer a{color:#cfd8e1}.footer a:hover{color:#9be27a}
.footer .cols-2{columns:2;column-gap:16px}
.footer-logo{background:#fff;border-radius:10px;padding:8px 12px;margin-bottom:14px;width:220px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;font-size:.8rem;text-align:center}
.wa-float{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.45);z-index:90;transition:transform .2s}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float .ico-wa{width:30px;height:30px}

/* Responsive */
@media (max-width:1100px){
  .nav{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;max-height:calc(100vh - 76px);overflow:auto}
  .nav.open{display:flex}
  .nav a{padding:12px 10px;font-size:1rem}
  .nav .nav-cta{margin:8px 0 0}
  .burger{display:block}
  .grid-products{grid-template-columns:repeat(3,1fr)}
  .grid-cats{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .product-bottom{grid-template-columns:1fr}
  .product-form{position:static}
}
@media (max-width:860px){
  .reassure-grid,.steps{grid-template-columns:1fr 1fr}
  .split-in,.product-grid,.devis-grid,.city-head-in,.catalog{grid-template-columns:1fr}
  .city-illu{display:none}
  .catalog .grid-products{grid-template-columns:repeat(2,1fr)}
  .filters{position:static}
  .uses{grid-template-columns:1fr}
  .hero::after{background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 60%,rgba(255,255,255,.55))}
  .hide-sm{display:none}
}
@media (max-width:600px){
  body{font-size:15px}
  .section{padding:44px 0}
  .container{padding:0 16px}
  .logo img{width:180px}
  .header-in{min-height:66px}
  .nav{top:66px}
  .grid-products,.catalog .grid-products{grid-template-columns:1fr 1fr;gap:12px}
  .cp-body{padding:10px 12px 12px}
  .cp-title{font-size:.88rem}
  .cp-specs{display:none}
  .cp-foot{flex-direction:column;align-items:stretch}
  .cp-price{font-size:1.1rem}
  .reassure-grid,.steps,.grid-2,.footer-grid{grid-template-columns:1fr}
  .grid-cats{grid-template-columns:1fr 1fr}
  .topbar .container{justify-content:center}
  .topbar span{display:none}
  .hero{min-height:auto}
  .hero-in{padding:40px 16px}
  .btn-lg{width:100%}
  .product-form{padding:18px}
  .footer .cols-2{columns:1}
}