/* =========================================================
   ECO NRJ FRANCE — Feuille de style globale
   Palette : vert solaire + bleu panneau + accent soleil
   ========================================================= */

:root{
  --green:#1F8A43;          /* vert feuille principal */
  --green-deep:#16622F;     /* vert profond */
  --green-soft:#E7F3EA;     /* vert très clair (fonds) */
  --blue:#1B6FB3;           /* bleu panneau */
  --blue-deep:#0F4C81;
  --cyan:#29ABE2;           /* cyan swoosh logo */
  --sun:#F6A623;            /* jaune/orange soleil */
  --sun-deep:#E8890B;
  --navy:#12283B;           /* texte foncé / sections sombres */
  --ink:#1A2B33;
  --muted:#5C6B72;
  --line:#E4EAE6;
  --bg:#FFFFFF;
  --bg-soft:#F5F8F5;
  --white:#FFFFFF;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(18,40,59,.06);
  --shadow:0 18px 40px -18px rgba(18,40,59,.28);
  --shadow-lg:0 40px 80px -30px rgba(18,40,59,.45);
  --grad:linear-gradient(120deg,var(--green) 0%,var(--blue) 100%);
  --grad-sun:linear-gradient(120deg,var(--sun) 0%,var(--green) 120%);
  --maxw:1200px;
  --font-display:"Bricolage Grotesque",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.08;color:var(--navy);font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.2vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{color:var(--muted)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.bg-soft{background:var(--bg-soft)}
.bg-green{background:var(--green-soft)}
.center{text-align:center}
.lead{font-size:1.18rem;color:var(--muted);max-width:62ch}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Eyebrow / kicker ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-body);font-weight:700;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--green);
  background:var(--green-soft);padding:7px 15px;border-radius:100px;margin-bottom:20px;
}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad)}
.kicker.on-dark{color:#bff0cb;background:rgba(255,255,255,.08)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-body);font-weight:700;font-size:1rem;
  padding:15px 28px;border-radius:100px;cursor:pointer;border:none;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -10px rgba(31,138,67,.7)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 36px -12px rgba(31,138,67,.8)}
.btn-sun{background:linear-gradient(120deg,var(--sun),var(--sun-deep));color:#3a2400;box-shadow:0 12px 26px -10px rgba(246,166,35,.7)}
.btn-sun:hover{transform:translateY(-3px)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.28);backdrop-filter:blur(6px)}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn-block{width:100%;justify-content:center}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:700;color:var(--navy);font-size:1.18rem}
.brand img{height:50px;width:auto}
.brand small{display:block;font-family:var(--font-body);font-weight:600;font-size:.62rem;letter-spacing:.08em;color:var(--green);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{padding:10px 14px;border-radius:10px;font-weight:600;font-size:.96rem;color:var(--ink);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--green);background:var(--green-soft)}
.nav-links a.active{color:var(--green)}
.has-drop{position:relative}
.has-drop>a::after{content:"▾";font-size:.7rem;margin-left:5px;opacity:.6}
.drop{
  position:absolute;top:calc(100% + 8px);left:0;min-width:280px;background:#fff;
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.22s ease;
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:flex;gap:12px;align-items:flex-start;padding:11px 12px;border-radius:11px}
.drop a:hover{background:var(--bg-soft)}
.drop .di{width:34px;height:34px;border-radius:9px;background:var(--green-soft);display:grid;place-items:center;flex:none;font-size:1.05rem}
.drop strong{display:block;font-size:.92rem;color:var(--navy);font-weight:700;font-family:var(--font-body)}
.drop span{font-size:.78rem;color:var(--muted);line-height:1.4}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-phone{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);font-size:.96rem}
.nav-phone svg{width:18px;height:18px;color:var(--green)}
.burger{display:none;background:none;border:none;cursor:pointer;width:44px;height:44px;border-radius:11px}
.burger span{display:block;width:22px;height:2px;background:var(--navy);margin:5px auto;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,26,18,.92) 0%,rgba(12,40,59,.78) 45%,rgba(12,40,59,.25) 100%)}
.hero-inner{position:relative;z-index:2;padding:118px 0 120px;max-width:680px}
.hero h1{color:#fff}
.hero h1 .hl{background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:rgba(255,255,255,.86);font-size:1.2rem;margin-top:22px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:42px;align-items:center}
.hero-trust .t{display:flex;flex-direction:column}
.hero-trust .t b{font-family:var(--font-display);font-size:1.7rem;color:#fff;line-height:1}
.hero-trust .t span{font-size:.82rem;color:rgba(255,255,255,.7)}
.hero-trust .sep{width:1px;height:38px;background:rgba(255,255,255,.2)}

/* ---------- Trust bar (logos certifications) ---------- */
.certbar{padding:30px 0;border-bottom:1px solid var(--line);background:#fff}
.certbar .row{display:flex;align-items:center;justify-content:center;gap:14px 30px;flex-wrap:wrap}
.cert-chip{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--navy);
  font-size:.86rem;padding:9px 16px;border:1.5px solid var(--line);border-radius:100px;background:#fff}
.cert-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--grad)}
.certbar .label{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}

/* ---------- Section heads ---------- */
.shead{max-width:720px;margin-bottom:48px}
.shead.center{margin-left:auto;margin-right:auto}

/* ---------- Product grid ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards.col2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ph{aspect-ratio:16/11;overflow:hidden;position:relative}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .ph img{transform:scale(1.06)}
.card .ph .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--green-deep);
  font-weight:700;font-size:.74rem;padding:6px 12px;border-radius:100px;letter-spacing:.04em}
.card .bd{padding:24px 24px 26px}
.card h3{margin-bottom:8px}
.card p{font-size:.96rem;margin-bottom:16px}
.card .more{font-weight:700;color:var(--green);font-size:.92rem;display:inline-flex;align-items:center;gap:7px;margin-top:auto}
.card .more svg{width:16px;height:16px;transition:transform .25s}
.card:hover .more svg{transform:translateX(4px)}

/* ---------- Feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .media{order:2}
.split .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split ul{list-style:none;margin:24px 0 30px}
.split li{display:flex;gap:13px;align-items:flex-start;margin-bottom:14px;color:var(--ink);font-weight:500}
.split li svg{width:24px;height:24px;flex:none;color:var(--green);margin-top:2px}

/* floating stat badge on media */
.media .badge{
  position:absolute;bottom:18px;left:18px;background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-sm);
  display:flex;align-items:center;gap:12px
}
.media .badge b{font-family:var(--font-display);font-size:1.5rem;color:var(--green);line-height:1}
.media .badge span{font-size:.78rem;color:var(--muted);font-weight:600}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:st}
.step{position:relative;padding:30px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);
  font-family:var(--font-display);font-size:2.4rem;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:10px}
.step h3{font-size:1.12rem;margin-bottom:6px}
.step p{font-size:.92rem}

/* ---------- Stats band ---------- */
.statband{background:var(--navy);color:#fff;border-radius:26px;padding:54px 40px;
  background-image:radial-gradient(900px 300px at 0% 0%,rgba(31,138,67,.4),transparent),radial-gradient(700px 300px at 100% 100%,rgba(27,111,179,.4),transparent)}
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.statgrid .n{font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3.2rem);line-height:1;color:#fff}
.statgrid .n .u{color:var(--sun)}
.statgrid .l{color:rgba(255,255,255,.72);font-size:.92rem;margin-top:8px}

/* ---------- Benefits icons ---------- */
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.benefit{padding:30px 26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.benefit .ic{width:54px;height:54px;border-radius:14px;background:var(--green-soft);display:grid;place-items:center;margin-bottom:16px;font-size:1.5rem}
.benefit h3{font-size:1.15rem;margin-bottom:8px}
.benefit p{font-size:.95rem}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.quote .stars{color:var(--sun);letter-spacing:2px;margin-bottom:12px}
.quote p{color:var(--ink);font-size:1rem;font-style:italic}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.quote .who b{display:block;font-size:.92rem;color:var(--navy)}
.quote .who span{font-size:.8rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 22px;margin-bottom:14px;transition:border-color .2s}
.faq details[open]{border-color:var(--green)}
.faq summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:700;color:var(--navy);
  font-family:var(--font-display);font-size:1.05rem;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--green);transition:transform .2s;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 20px;font-size:.98rem}

/* ---------- CTA band ---------- */
.ctaband{position:relative;overflow:hidden;border-radius:26px;color:#fff;padding:64px 48px;text-align:center;
  background:var(--grad)}
.ctaband::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 80% -20%,rgba(255,255,255,.25),transparent)}
.ctaband>*{position:relative;z-index:1}
.ctaband h2{color:#fff}
.ctaband p{color:rgba(255,255,255,.9);max-width:60ch;margin:14px auto 28px}
.ctaband .btn-sun{box-shadow:0 16px 30px -10px rgba(0,0,0,.3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.74);padding:70px 0 28px;font-size:.94rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand .fb{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-brand .fb img{height:54px;background:#fff;border-radius:12px;padding:5px}
.foot-brand .fb b{font-family:var(--font-display);color:#fff;font-size:1.2rem;display:block}
.foot-brand .fb small{color:var(--sun);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
.foot-brand p{font-size:.92rem;color:rgba(255,255,255,.6);max-width:34ch}
.site-footer h4{color:#fff;font-family:var(--font-body);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:rgba(255,255,255,.7);transition:color .2s}
.site-footer ul a:hover{color:var(--sun)}
.foot-contact .ci{display:flex;gap:11px;margin-bottom:14px;align-items:flex-start}
.foot-contact .ci svg{width:18px;height:18px;color:var(--green);flex:none;margin-top:3px}
.foot-contact .ci a,.foot-contact .ci span{color:rgba(255,255,255,.82)}
.foot-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px;font-size:.84rem;color:rgba(255,255,255,.5)}
.foot-bottom a{color:rgba(255,255,255,.6)}
.foot-bottom a:hover{color:#fff}

/* ---------- Page hero (interior) ---------- */
.phero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.phero .hero-bg::after{background:linear-gradient(100deg,rgba(10,26,18,.92),rgba(12,40,59,.6))}
.phero-inner{position:relative;z-index:2;padding:84px 0 88px;max-width:720px}
.phero h1{color:#fff}
.phero p{color:rgba(255,255,255,.85);font-size:1.15rem;margin-top:18px}
.breadcrumb{font-size:.84rem;color:rgba(255,255,255,.6);margin-bottom:18px}
.breadcrumb a:hover{color:#fff}

/* ---------- Spec list ---------- */
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.spec{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 18px}
.spec .si{width:40px;height:40px;border-radius:11px;background:var(--green-soft);display:grid;place-items:center;flex:none;font-size:1.2rem}
.spec b{display:block;color:var(--navy);font-family:var(--font-body);font-size:1rem}
.spec span{font-size:.86rem;color:var(--muted)}

/* ---------- Simulator ---------- */
.sim{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.sim-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow-sm)}
.sim-panel h3{margin-bottom:4px}
.field{margin:22px 0}
.field label{display:flex;justify-content:space-between;font-weight:700;color:var(--navy);font-size:.95rem;margin-bottom:10px}
.field label .v{color:var(--green)}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.opts.col2{grid-template-columns:repeat(2,1fr)}
.opt{border:1.5px solid var(--line);border-radius:13px;padding:13px 10px;text-align:center;cursor:pointer;
  font-weight:700;color:var(--navy);font-size:.92rem;transition:.2s;background:#fff}
.opt:hover{border-color:var(--green)}
.opt.sel{border-color:var(--green);background:var(--green-soft);color:var(--green-deep)}
.opt small{display:block;font-weight:600;color:var(--muted);font-size:.74rem;margin-top:2px}
input[type=range]{width:100%;accent-color:var(--green);height:6px}
.sim-result{background:var(--navy);color:#fff;border-radius:22px;padding:34px;position:sticky;top:96px;
  background-image:radial-gradient(600px 240px at 100% 0%,rgba(31,138,67,.45),transparent)}
.sim-result h3{color:#fff}
.bignum{font-family:var(--font-display);font-size:3.4rem;line-height:1;margin:10px 0 2px;color:var(--sun)}
.sim-result .sub{color:rgba(255,255,255,.7);font-size:.9rem}
.rrow{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:.96rem}
.rrow:last-of-type{border-bottom:none}
.rrow span{color:rgba(255,255,255,.75)}
.rrow b{color:#fff;font-weight:700}
.sim-note{font-size:.78rem;color:var(--muted);margin-top:14px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow-sm)}
.form .frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .fg{margin-bottom:18px}
.form label{display:block;font-weight:700;color:var(--navy);font-size:.9rem;margin-bottom:7px}
.form input,.form select,.form textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;
  font-family:var(--font-body);font-size:1rem;color:var(--ink);background:#fff;transition:border-color .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--green)}
.form textarea{resize:vertical;min-height:120px}
.info-card{background:var(--green-soft);border-radius:18px;padding:28px;margin-bottom:20px}
.info-card .ci{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.info-card .ci:last-child{margin-bottom:0}
.info-card .ci .ic{width:46px;height:46px;border-radius:12px;background:#fff;display:grid;place-items:center;flex:none;color:var(--green);font-size:1.2rem;box-shadow:var(--shadow-sm)}
.info-card .ci b{display:block;color:var(--navy);font-family:var(--font-body)}
.info-card .ci a,.info-card .ci span{color:var(--muted);font-size:.95rem}
.map-embed{border-radius:18px;overflow:hidden;border:1px solid var(--line);height:280px}
.map-embed iframe{width:100%;height:100%;border:0}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .cards,.benefits,.quotes{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .statgrid{grid-template-columns:repeat(2,1fr);gap:30px 20px}
  .split{grid-template-columns:1fr;gap:36px}
  .split.rev .media{order:0}
  .sim{grid-template-columns:1fr}
  .sim-result{position:static}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:760px){
  body{font-size:16px}
  .section{padding:68px 0}
  .nav-links,.nav-phone{display:none}
  .nav-links.open{display:flex;position:absolute;top:78px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:14px;gap:4px;box-shadow:var(--shadow)}
  .nav-links.open li{width:100%}
  .nav-links.open a{display:block}
  .nav-links.open .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:4px 0 4px 14px;min-width:0}
  .burger{display:block}
  .cards,.cards.col2,.benefits,.quotes,.specs,.opts,.opts.col2,.form .frow{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .statgrid{grid-template-columns:1fr 1fr}
  .hero-inner{padding:80px 0 84px}
  .ctaband,.statband{padding:42px 24px}
  .foot-grid{grid-template-columns:1fr}
}