/* Flex Énergie — site vitrine v2. Aucune dépendance externe, aucun script. */
@font-face{font-family:Poppins;font-weight:300;font-style:normal;font-display:swap;src:url(/assets/fonts/poppins-300.woff2) format("woff2")}
@font-face{font-family:Poppins;font-weight:400;font-style:normal;font-display:swap;src:url(/assets/fonts/poppins-400.woff2) format("woff2")}
@font-face{font-family:Poppins;font-weight:500;font-style:normal;font-display:swap;src:url(/assets/fonts/poppins-500.woff2) format("woff2")}
@font-face{font-family:Poppins;font-weight:600;font-style:normal;font-display:swap;src:url(/assets/fonts/poppins-600.woff2) format("woff2")}
@font-face{font-family:Poppins;font-weight:700;font-style:normal;font-display:swap;src:url(/assets/fonts/poppins-700.woff2) format("woff2")}

:root{
  --nuit:#0f2a38;        /* bleu profond du logo, assombri */
  --bleu:#2a7f9e;        /* bleu du logo */
  --vert:#4f8f6b;        /* vert du logo */
  --vert-fonce:#35705a;
  --menthe:#8fd0ae;      /* accent clair sur fond sombre */
  --texte:#243540;
  --doux:#5b6d77;
  --trait:#dde6e4;
  --fond:#ffffff;
  --fond-2:#f3f8f6;
  --rayon:16px;
  --large:1160px;
  --ombre:0 14px 34px rgba(15,42,56,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Poppins,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-weight:400;font-size:17px;line-height:1.65;color:var(--texte);background:var(--fond)}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--vert-fonce);text-underline-offset:3px}
a:hover{color:var(--nuit)}
:focus-visible{outline:3px solid var(--bleu);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{color:var(--nuit);line-height:1.18;margin:0 0 .6em;font-weight:600;text-wrap:balance}
h1{font-size:clamp(2.1rem,4.8vw,3.4rem);font-weight:700;letter-spacing:-.015em}
h2{font-size:clamp(1.55rem,3vw,2.2rem);letter-spacing:-.01em}
h3{font-size:1.15rem}
h4{font-size:1rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.4em}
strong{font-weight:600;color:var(--nuit)}
.conteneur{max-width:var(--large);margin:0 auto;padding:0 20px}
.etroit{max-width:780px}
.passer{position:absolute;left:-9999px}
.passer:focus{left:12px;top:12px;background:#fff;padding:10px 14px;z-index:100;border-radius:8px}
.surtitre{display:block;text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:600;color:var(--vert);margin-bottom:1em}
.tete{max-width:720px;margin-bottom:2.4em}
.tete p{color:var(--doux);font-size:1.05rem}
.tete.centre{margin-left:auto;margin-right:auto;text-align:center}

/* En-tête */
.entete{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--trait)}
.entete .conteneur{display:flex;align-items:center;gap:24px;min-height:74px;max-width:1280px}
.marque{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--nuit);font-weight:600;letter-spacing:.14em;font-size:1rem;white-space:nowrap;flex-shrink:0}
.marque img{width:38px;height:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{text-decoration:none;color:var(--texte);font-size:.9rem;font-weight:500;padding:8px 10px;border-radius:8px;white-space:nowrap}
.nav a:hover,.nav a[aria-current=page]{background:var(--fond-2);color:var(--vert-fonce)}
.nav .btn{margin-left:6px}
.menu-mobile{display:none;margin-left:auto}

/* Boutons */
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:.95rem;padding:13px 24px;border-radius:999px;border:2px solid var(--vert-fonce);background:var(--vert-fonce);color:#fff;transition:background .15s,color .15s,border-color .15s,transform .15s}
.btn:hover{background:var(--nuit);border-color:var(--nuit);color:#fff;transform:translateY(-1px)}
.btn.clair{background:transparent;color:var(--vert-fonce)}
.btn.clair:hover{background:var(--vert-fonce);color:#fff;border-color:var(--vert-fonce)}
.nav a.btn{padding:8px 16px;color:#fff;font-size:.9rem}
.nav a.btn.clair{color:var(--vert-fonce)}
.nav a.btn:hover{color:#fff;background:var(--nuit)}
.nav a.btn.clair:hover{background:var(--vert-fonce)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em;align-items:center}
.actions .mention{font-size:.86rem;color:var(--doux);flex-basis:100%;margin:0}

/* Bandeau d'ouverture */
.ouverture{background:linear-gradient(135deg,#0f2a38 0%,#1b4d62 50%,#35705a 100%);color:#e6f0ee;position:relative;overflow:hidden}
.ouverture::after{content:"";position:absolute;right:-110px;bottom:-140px;width:560px;height:585px;background:url(/assets/img/symbole.png) no-repeat center/contain;opacity:.08;filter:brightness(0) invert(1);pointer-events:none}
.ouverture .conteneur{position:relative;z-index:1;padding-top:84px;padding-bottom:88px}
.ouverture h1{color:#fff;max-width:18ch}
.ouverture h1 em{font-style:normal;color:var(--menthe)}
.ouverture.page h1{max-width:24ch}
.ouverture.page .conteneur{padding-top:60px;padding-bottom:60px}
.ouverture p.chapo{font-size:1.15rem;font-weight:300;max-width:56ch;color:#d6e6e2}
.ouverture .btn{background:#fff;border-color:#fff;color:var(--nuit)}
.ouverture .btn:hover{background:var(--menthe);border-color:var(--menthe);color:var(--nuit)}
.ouverture .btn.clair{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.ouverture .btn.clair:hover{background:#fff;color:var(--nuit);border-color:#fff}
.ouverture .surtitre{color:var(--menthe)}
.ouverture .actions .mention{color:#b4cbc7}
.fil{font-size:.85rem;margin-bottom:1.4em;color:#b4cbc7}
.fil a{color:#d6e6e2}
.ouverture.accueil .conteneur{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.ouverture.accueil h1{max-width:16ch}

/* Illustration « votre facture » */
.facture{background:#fff;color:var(--texte);border-radius:20px;padding:26px 28px;box-shadow:0 30px 60px rgba(0,0,0,.28);max-width:440px;margin-left:auto}
.facture .tit{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--trait);padding-bottom:12px;margin-bottom:16px}
.facture .tit strong{font-size:.95rem}
.facture .tit span{font-size:.78rem;color:var(--doux)}
.facture .barre{display:flex;height:16px;border-radius:999px;overflow:hidden;margin-bottom:18px}
.facture .barre i{display:block;height:100%}
.facture .ligne{display:grid;grid-template-columns:14px 1fr auto;gap:12px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--trait);font-size:.9rem}
.facture .ligne:last-of-type{border-bottom:0}
.facture .ligne i{width:14px;height:14px;border-radius:4px;display:block}
.facture .ligne b{display:block;font-weight:600;color:var(--nuit)}
.facture .ligne small{display:block;color:var(--doux);font-size:.8rem}
.facture .ligne .ok{font-weight:600;color:var(--vert-fonce);font-size:.82rem;white-space:nowrap}
.facture .ligne .ok::before{content:"✓ "}
.w52{width:52%}.w28{width:28%}.w20{width:20%}
.c-four{background:var(--bleu)}.c-ach{background:var(--vert)}.c-tax{background:#c9a227}
.facture .legende{margin:14px 0 0;font-size:.78rem;color:var(--doux)}

/* Chiffres clés */
.chiffres{background:var(--nuit);color:#fff;padding:0}
.chiffres .conteneur{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.chiffres div{padding:30px 18px;border-left:1px solid rgba(255,255,255,.1);text-align:center}
.chiffres div:first-child{border-left:0}
.chiffres b{display:block;font-size:2rem;font-weight:700;color:var(--menthe);line-height:1.1;letter-spacing:-.02em}
.chiffres span{display:block;font-size:.84rem;color:#b4cbc7;margin-top:6px}

/* Sections */
section{padding:80px 0}
section.teinte{background:var(--fond-2)}
section.serre{padding:56px 0}
.grille{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.grille.aere{gap:48px}
.grille.centre{align-items:center}
.grille.haut{align-items:start}
.carte{background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);padding:28px}
.carte p:last-child,.carte ul:last-child{margin-bottom:0}
.carte p{color:var(--doux);font-size:.97rem;text-align:justify;hyphens:auto}
a.carte{text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:border-color .15s,transform .15s,box-shadow .15s}
a.carte:hover{border-color:var(--vert);transform:translateY(-3px);box-shadow:var(--ombre)}
a.carte .suite{margin-top:auto;padding-top:1em;font-weight:600;font-size:.92rem;color:var(--vert-fonce)}
.picto{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--bleu),var(--vert));display:flex;align-items:center;justify-content:center;margin-bottom:18px;flex-shrink:0}
.picto svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.carte.eco{border:0;background:linear-gradient(135deg,#e9f4f0,#eef5f8)}
.carte .gain{font-size:1.6rem;font-weight:700;color:var(--vert-fonce);margin:0 0 .2em;line-height:1.1}

/* Secteurs */
.secteurs a.carte{padding:22px 24px;flex-direction:row;align-items:center;gap:16px}
.secteurs a.carte .picto{margin:0;width:42px;height:42px}
.secteurs a.carte h3{margin:0;font-size:1rem}
.secteurs a.carte p{margin:2px 0 0;font-size:.85rem}
.secteurs a.carte .suite{display:none}

/* Engagement / indépendance */
.engagement{background:var(--nuit);color:#d6e6e2;position:relative;overflow:hidden}
.engagement h2{color:#fff}
.engagement .grille{align-items:center;gap:56px}
.engagement .gros{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:600;color:#fff;line-height:1.3;margin:0 0 .8em}
.engagement .gros em{font-style:normal;color:var(--menthe)}
.engagement .btn{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.engagement .btn:hover{background:#fff;color:var(--nuit);border-color:#fff}

/* Tableau comparatif */
.compare{width:100%;border-collapse:separate;border-spacing:0;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--rayon);overflow:hidden;font-size:.92rem}
.compare th,.compare td{padding:14px 16px;text-align:left;vertical-align:top;border-top:1px solid rgba(255,255,255,.1)}
.compare thead th{border-top:0;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#b4cbc7;font-weight:600;background:rgba(0,0,0,.18)}
.compare thead th.flex{color:var(--menthe)}
.compare td:first-child{font-weight:600;color:#fff;width:34%}
.compare td.flex{background:rgba(143,208,174,.08);color:#fff}
.compare td.flex::before{content:"✓";color:var(--menthe);font-weight:700;margin-right:8px}
.compare td.autre{color:#b4cbc7}

/* Étapes */
.etapes{counter-reset:etape;list-style:none;padding:0;margin:0;display:grid;gap:22px;grid-template-columns:repeat(4,1fr)}
.etapes li{counter-increment:etape;background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);padding:26px;margin:0;position:relative}
.etapes li::before{content:counter(etape);display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--bleu),var(--vert));color:#fff;font-weight:700;margin-bottom:14px}
.etapes h3{margin-bottom:.4em}
.etapes p{color:var(--doux);font-size:.95rem;margin:0;text-align:justify;hyphens:auto}
.etapes .duree{display:inline-block;margin-top:12px;font-size:.78rem;font-weight:600;color:var(--vert-fonce);background:var(--fond-2);padding:3px 10px;border-radius:999px}
.etapes.e3{grid-template-columns:repeat(3,1fr)}
.etapes.e2{grid-template-columns:repeat(2,1fr);margin-bottom:1em}
.article .etapes li{padding:22px}

/* Témoignages */
.avis{margin:0;background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);padding:28px;display:flex;flex-direction:column}
.avis blockquote{margin:0 0 1.2em;font-size:1rem;color:var(--texte)}
.avis blockquote::before{content:"“";display:block;font-size:3rem;line-height:.8;color:var(--vert);font-weight:700}
.avis figcaption{margin-top:auto;font-weight:600;color:var(--nuit);font-size:.95rem}
.avis figcaption small{display:block;font-weight:400;color:var(--doux);font-size:.84rem}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--trait)}
.faq details:first-of-type{border-top:1px solid var(--trait)}
.faq summary{cursor:pointer;list-style:none;padding:20px 44px 20px 0;font-weight:600;color:var(--nuit);position:relative;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;width:28px;height:28px;border-radius:50%;background:var(--fond-2);color:var(--vert-fonce);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.2rem}
.faq details[open] summary::after{content:"–"}
.faq details p,.faq details ul{color:var(--doux);padding-right:40px;margin-top:-6px}
.faq details > *:last-child{padding-bottom:22px}

/* Texte courant des pages */
.article p,.article li,.faq details p,.avis blockquote,.exemple p,.note p{text-align:justify;hyphens:auto}
.article h2{margin-top:1.6em}
.article h2:first-child{margin-top:0}
.article ul{padding-left:0;list-style:none}
.article ul li{padding-left:30px;position:relative}
.article ul li::before{content:"";position:absolute;left:4px;top:.6em;width:12px;height:7px;border-left:2px solid var(--vert);border-bottom:2px solid var(--vert);transform:rotate(-45deg)}
.article ol{padding-left:1.3em}
.deux-col{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:48px;align-items:start}
.encart{background:var(--fond-2);border:1px solid var(--trait);border-radius:var(--rayon);padding:28px;position:sticky;top:96px}
.encart h3{margin-bottom:.5em}
.encart p{font-size:.95rem;color:var(--doux)}
.encart .btn{width:100%;text-align:center;margin-top:.4em}
.encart .tel{display:block;font-size:1.35rem;font-weight:700;color:var(--nuit);text-decoration:none;margin:.2em 0 .6em}
.encart .liste{list-style:none;padding:0;margin:1em 0 0;border-top:1px solid var(--trait);padding-top:1em}
.encart .liste li{font-size:.88rem;padding-left:22px;position:relative;color:var(--texte)}
.encart .liste li::before{content:"";position:absolute;left:2px;top:.55em;width:10px;height:6px;border-left:2px solid var(--vert);border-bottom:2px solid var(--vert);transform:rotate(-45deg)}
.note{border-left:4px solid var(--vert);background:var(--fond-2);padding:18px 22px;border-radius:0 var(--rayon) var(--rayon) 0;margin:1.6em 0}
.note p:last-child{margin:0}
.exemple{background:var(--nuit);color:#d6e6e2;border-radius:var(--rayon);padding:26px 28px;margin:1.6em 0}
.exemple h3{color:#fff;margin-bottom:.4em}
.exemple p{margin-bottom:.6em}
.exemple .res{font-size:1.5rem;font-weight:700;color:var(--menthe);margin:0}
.exemple small{display:block;color:#b4cbc7;font-size:.8rem;margin-top:.8em}
table.taux{width:100%;border-collapse:collapse;font-size:.93rem;margin:1em 0 1.6em}
table.taux th,table.taux td{padding:10px 12px;border-bottom:1px solid var(--trait);text-align:left}
table.taux th{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--doux);font-weight:600}
table.taux td:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}
table.taux th:not(:first-child){text-align:right}

/* Appel final */
.appel{background:linear-gradient(135deg,#1b4d62,#35705a);color:#e6f0ee;text-align:center}
.appel h2{color:#fff}
.appel p{max-width:56ch;margin:0 auto 1em;font-weight:300;font-size:1.08rem}
.appel .actions{justify-content:center}
.appel .btn{background:#fff;border-color:#fff;color:var(--nuit)}
.appel .btn:hover{background:var(--nuit);border-color:var(--nuit);color:#fff}
.appel .btn.clair{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.appel .btn.clair:hover{background:#fff;color:var(--nuit)}
.appel .actions .mention{color:#b4cbc7}

/* Contact */
.coord{list-style:none;padding:0;margin:0}
.coord li{padding:16px 0;border-bottom:1px solid var(--trait);margin:0}
.coord li:last-child{border-bottom:0}
.coord .lib{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--doux);font-weight:600}
.coord a,.coord span.val{font-size:1.15rem;font-weight:600;color:var(--nuit);text-decoration:none}
.coord a:hover{color:var(--vert-fonce)}

/* Pied de page */
.pied{background:#0a1f2a;color:#b0c3c6;font-size:.92rem;padding:56px 0 26px}
.pied .grille{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.pied h3{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;margin-bottom:1em}
.pied a{color:#b0c3c6;text-decoration:none}
.pied a:hover{color:#fff;text-decoration:underline}
.pied ul{list-style:none;padding:0;margin:0}
.pied .marque{color:#fff;margin-bottom:14px}
.pied .bas{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;font-size:.84rem;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between}

/* Barre d'appel fixe (téléphone) */
.barre-tel{display:none}

/* Écrans */
@media (max-width:1280px){
  .nav{display:none}
  .menu-mobile{display:block}
  .menu-mobile summary{list-style:none;cursor:pointer;border:1px solid var(--trait);border-radius:10px;padding:9px 14px;font-weight:600;font-size:.92rem;color:var(--nuit)}
  .menu-mobile summary::-webkit-details-marker{display:none}
  .menu-mobile[open] summary{background:var(--fond-2)}
  .menu-mobile nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--trait);padding:10px 20px 20px;display:flex;flex-direction:column;box-shadow:0 18px 30px rgba(15,42,56,.10)}
  .menu-mobile nav a{padding:13px 4px;text-decoration:none;color:var(--texte);font-weight:500;border-bottom:1px solid var(--trait)}
  .menu-mobile nav a.btn{margin-top:14px;text-align:center;color:#fff;border-bottom:2px solid var(--vert-fonce)}
}
@media (max-width:980px){
  .g3,.g4,.etapes,.etapes.e3{grid-template-columns:repeat(2,1fr)}
  .deux-col{grid-template-columns:1fr}
  .encart{position:static}
  .pied .grille{grid-template-columns:1fr 1fr}
  .engagement .grille{gap:28px}
  .ouverture.accueil .conteneur{grid-template-columns:1fr}
  .facture{margin:8px auto 0}
  .chiffres .conteneur{grid-template-columns:repeat(2,1fr)}
  .chiffres div{border:0;border-top:1px solid rgba(255,255,255,.1)}
}
@media (max-width:640px){
  body{font-size:16px;padding-bottom:68px}
  section{padding:54px 0}
  .g2,.g3,.g4,.etapes,.etapes.e3,.etapes.e2{grid-template-columns:1fr}
  .ouverture .conteneur{padding-top:52px;padding-bottom:56px}
  .pied .grille{grid-template-columns:1fr}
  .actions .btn{width:100%;text-align:center}
  .chiffres .conteneur{grid-template-columns:repeat(2,1fr)}
  .chiffres b{font-size:1.6rem}
  .compare{font-size:.85rem}
  .compare th,.compare td{padding:10px}
  .barre-tel{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--trait);padding:10px 14px;gap:10px;box-shadow:0 -8px 24px rgba(15,42,56,.08)}
  .barre-tel a{flex:1;text-align:center;padding:11px 10px;font-size:.9rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.entete,.pied,.appel,.encart,.barre-tel{display:none}body{padding:0}}

/* Badges et renvois */
.badge{display:inline-block;vertical-align:middle;font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:#fff3d6;color:#8a5a00;border:1px solid #f0d58f;border-radius:999px;padding:4px 10px;margin-left:8px}
.astuce{font-size:.82rem;color:#b4cbc7;margin:12px 0 0}
/* Formulaire de contact */
.formulaire label{display:block;font-size:.88rem;font-weight:600;color:var(--nuit);margin-bottom:14px}
.formulaire .req{color:#b4532a}
.formulaire input,.formulaire select,.formulaire textarea{display:block;width:100%;margin-top:6px;padding:11px 13px;font:inherit;font-size:.97rem;font-weight:400;color:var(--texte);background:#fff;border:1px solid #c9d6d3;border-radius:10px}
.formulaire input:focus,.formulaire select:focus,.formulaire textarea:focus{outline:none;border-color:var(--bleu);box-shadow:0 0 0 3px rgba(42,127,158,.18)}
.formulaire textarea{resize:vertical;min-height:120px}
.formulaire .champs{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.formulaire .pot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formulaire button{width:100%;cursor:pointer;font-family:inherit}
.formulaire .mention{font-size:.82rem;color:var(--doux);margin:12px 0 0;text-align:left}
@media (max-width:640px){.formulaire .champs{grid-template-columns:1fr}}

.carte + .article{margin-top:28px}