:root{--green:#0d5b3c;--green2:#14814f;--gold:#e6ae24;--ink:#15231d;--muted:#64736b;--bg:#f5f8f6;--line:#dce6df;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}.container{width:min(1180px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:54px;height:54px;object-fit:contain}.brand span{display:flex;flex-direction:column}.brand strong{font-size:16px;letter-spacing:.08em;color:var(--green)}.brand small{font-size:11px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:15px;margin-left:auto;font-size:13px;font-weight:650}.main-nav a{padding:8px 0}.main-nav a.active{color:var(--green);border-bottom:2px solid var(--gold)}.main-nav .external{color:var(--green2)}
.menu-toggle{display:none;margin-left:auto;border:0;background:none;font-size:26px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:9px;background:var(--green);color:#fff!important;font-weight:750;border:1px solid var(--green);transition:.2s}.btn:hover{transform:translateY(-1px);background:#08472f}.btn-small{padding:9px 12px!important}.btn-outline{background:transparent;color:var(--green)!important}.btn-ghost{background:#fff;color:var(--ink)!important;border-color:var(--line)}
.hero{background:linear-gradient(135deg,#eef7f1 0%,#fff 55%,#fff6d9 100%);padding:74px 0 0}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;padding-bottom:60px}.eyebrow{display:inline-block;color:var(--green2);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:12px;margin-bottom:10px}
h1{font-size:clamp(38px,5vw,64px);line-height:1.04;margin:0 0 22px;letter-spacing:-.035em}h2{font-size:clamp(27px,3vw,40px);line-height:1.12;margin:0 0 16px;letter-spacing:-.025em}h3{margin:0 0 8px}.lead{font-size:21px;color:#31453a;max-width:780px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.energy-card{background:var(--green);color:#fff;border-radius:20px;padding:30px;box-shadow:0 24px 60px rgba(13,91,60,.18)}.energy-card>span{color:#cfe8d9;font-size:13px}.flow{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:22px 0}.flow b,.energy-card>strong{background:rgba(255,255,255,.1);padding:12px;border-radius:9px;text-align:center;display:block}.arrow{text-align:center;color:var(--gold);font-size:24px;margin:5px}
.service-strip{background:var(--green);color:#fff;text-align:center;padding:15px;font-size:13px;letter-spacing:.05em}.section{padding:76px 0}.section-alt{background:var(--bg)}.two-col{display:grid;grid-template-columns:repeat(2,1fr);gap:55px}.align-center{align-items:center}.cards{display:grid;gap:18px;margin-top:30px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.four{grid-template-columns:repeat(4,1fr)}.help-grid{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);border-radius:15px;padding:24px;background:#fff;box-shadow:0 8px 24px rgba(17,60,40,.045)}.help-card{display:flex;justify-content:space-between;align-items:center;font-weight:700;min-height:88px}.help-card b,.text-link{color:var(--green2)}.estimate-band{background:#0f2f23;color:#fff}.estimate-band .eyebrow{color:#f4c64f}.cta-panel{border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:26px;background:rgba(255,255,255,.06)}
.contact-band{border-top:1px solid var(--line)}.page-hero{padding:70px 0;background:linear-gradient(135deg,#f1f8f3,#fff)}.page-hero p{font-size:19px;max-width:800px;color:#46594f}.empty-state{padding:40px;border:1px dashed #aebeb5;border-radius:16px;text-align:center;background:var(--bg)}.status{display:inline-block;background:#eef5f0;color:var(--green);padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:30px}
footer{background:#10231b;color:#dce8e1;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-grid>div:not(.brand){display:flex;flex-direction:column;gap:8px}.footer-grid b{color:#fff;margin-bottom:5px}.footer-brand strong{color:#fff}.footer-brand small{color:#b8c9bf}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:12px;color:#a9bbb0}
@media(max-width:1050px){.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:20px 4%;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:8px}.hero-grid,.two-col,.contact-box{grid-template-columns:1fr}.cards.four{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.hero{padding-top:45px}.help-grid,.cards.three,.cards.four{grid-template-columns:1fr}.section{padding:54px 0}.brand small{display:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}

.section-intro{max-width:760px;color:var(--muted);font-size:17px}.muted{color:var(--muted);font-size:14px}
.center-action{text-align:center;margin-top:28px}.mini-flow{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:15px}.mini-flow span{padding:7px 10px;border-radius:8px;background:rgba(255,255,255,.1);font-weight:750}.mini-flow b{color:var(--gold)}
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:30px 0 18px}.process div{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;min-height:115px}.process b{display:block;color:var(--green2);font-size:12px;margin-bottom:10px}.process span{font-weight:700;font-size:14px}.process-note{color:#45584e}
.micro-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.micro-grid span{display:flex;align-items:center;justify-content:center;min-height:100px;border-radius:14px;background:var(--green);color:#fff;font-weight:800;text-align:center;padding:15px}
.cta-panel.light{background:#fff;color:var(--ink);border-color:var(--line)}.program-card{align-self:center}.contact-paths{margin-top:28px}.contact-paths .card{padding:30px}
@media(max-width:1050px){.process{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){.process{grid-template-columns:1fr 1fr}.micro-grid{grid-template-columns:1fr 1fr}}

.est-progress{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:28px}.est-progress b{padding:10px;background:#edf3ef;border-radius:9px;text-align:center;font-size:13px}.est-step{display:none}.est-step.active{display:block}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}.choice-card{display:flex;flex-direction:column;gap:7px;padding:20px;border:1px solid var(--line);border-radius:13px;background:#fff}.field-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}.field-grid input,.field-grid select{width:100%;box-sizing:border-box;margin-top:7px;padding:11px;border:1px solid #cbd9d2;border-radius:8px}.hidden{display:none!important}.step-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.load-wrap{overflow:auto;border:1px solid var(--line);border-radius:11px;margin:18px 0}.load-table{width:100%;border-collapse:collapse;background:#fff}.load-table th,.load-table td{padding:11px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.load-table input{width:100%;box-sizing:border-box;padding:8px}.est-summary,.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.result-grid{grid-template-columns:repeat(5,1fr)}.est-summary div,.result-grid div{padding:15px;background:#eef5f1;border-radius:10px}.est-summary span,.result-grid span{display:block;font-size:12px;color:var(--muted)}.check{display:block;margin:10px 0}.cost-box{display:flex;flex-direction:column;gap:5px;margin-top:18px;padding:18px;border-radius:11px;background:var(--green);color:#fff}.cost-box b{font-size:22px}.result-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.composer{margin-top:22px;padding:20px;border:1px solid var(--line);border-radius:12px}@media(max-width:800px){.field-grid,.result-grid,.choice-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.field-grid,.result-grid,.choice-grid,.est-summary{grid-template-columns:1fr}}

/* TEST ESTIMATEUR EFM */
.est-step{display:none!important}.est-step.active{display:block!important}