/* ================================================================
   EFG AUDIT — marque de Keonergy
   Feuille de style commune — charte crème / vert profond / DPE
   ================================================================ */

:root{
  --paper:#F4EDE1;
  --paper-2:#EBE0CD;
  --paper-3:#FBF7F0;
  --ink:#14181A;
  --soft:#5A5346;
  --faint:#8C8373;
  --line:#DED2BC;
  --deep:#0F2F2B;
  --deep-2:#1A4A42;
  --sage:#C6D8CE;
  --sage-2:#B4CDC1;
  --sage-line:#9FBDAE;
  --copper:#A8622F;
  --copper-l:#C8873F;
  --dpe-e:#FBCC05;
  --dpe-f:#FC9935;
  --dpe-g:#FC0205;
  --max:1140px;
  --serif:Georgia,"Iowan Old Style","Palatino Linotype",Palatino,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.narrow{max-width:820px}

/* ---------------- typographie ---------------- */
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.16;font-weight:600}
h1,h2{font-family:var(--serif);letter-spacing:-.015em}
h1{font-size:clamp(2rem,4.3vw,3.2rem);line-height:1.1}
h2{font-size:clamp(1.6rem,2.9vw,2.3rem)}
h3{font-size:1.08rem;font-weight:650;letter-spacing:-.005em}
p{margin:0 0 1.1em}
a{color:var(--deep-2)}
strong{font-weight:650;color:var(--ink)}
.lead{font-size:1.13rem;color:var(--soft);max-width:64ch}
.eyebrow{font-size:.73rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
         color:var(--copper);margin-bottom:18px}
.small{font-size:.85rem;color:var(--faint)}

/* ---------------- sections ---------------- */
/* décalage d'ancrage : le menu collant ne doit pas masquer le titre visé */
section[id]{scroll-margin-top:190px}
section{padding:86px 0}
section.tight{padding:56px 0}
.band-2{background:var(--paper-2)}
.band-light{background:var(--paper-3)}
.band-sage{background:var(--sage)}
.band-sage .eyebrow{color:var(--deep)}
.band-sage .lead,.band-sage p{color:#33443C}
.band-sage h2{color:var(--deep)}
.band-sage .note{background:rgba(255,255,255,.6);border-left-color:var(--copper);color:#33443C}
.band-sage .note strong{color:var(--deep)}
.band-sage a{color:var(--deep)}
.band-sage .form-card{background:#fff;border-color:var(--sage-line)}
.band-deep{background:var(--deep);color:#fff}
.band-deep h2,.band-deep h3{color:#fff}
.band-deep p,.band-deep .lead{color:rgba(255,255,255,.76)}
.band-deep .eyebrow{color:var(--copper-l)}
.band-deep a{color:var(--copper-l)}

/* ---------------- logo ---------------- */
.brand{display:flex;align-items:center;gap:16px;text-decoration:none;color:inherit;flex:none}
.brand svg{flex:none;display:block}
.brand .nm{font-family:var(--serif);font-size:23px;line-height:1;font-weight:600;
           letter-spacing:.055em;display:block;color:var(--ink)}
.brand .bl{font-size:10.5px;line-height:1.5;letter-spacing:.08em;text-transform:uppercase;
           color:var(--soft);font-weight:700;display:block;margin-top:6px}
.band-deep .brand .nm,footer .brand .nm{color:#fff}
.band-deep .brand .bl,footer .brand .bl{color:rgba(255,255,255,.6)}

/* ---------------- header ---------------- */
header.site{position:sticky;top:0;z-index:60;background:rgba(244,237,225,.95);
            backdrop-filter:blur(12px);border-bottom:4px solid #7E4720}
.navbar{display:flex;align-items:center;justify-content:space-between;height:118px;gap:24px}
.nav{display:flex;align-items:center;gap:24px}
.nav a{color:var(--soft);text-decoration:none;font-size:.92rem;font-weight:550;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--deep)}
.nav a.btn-primary,.nav a.btn-copper{color:#fff}
.nav a.btn-ghost{color:var(--ink)}
.burger{display:none;background:none;border:0;font-size:1.45rem;cursor:pointer;color:var(--ink)}

/* ---------------- boutons ---------------- */
.btn{display:inline-block;padding:14px 26px;border-radius:2px;text-decoration:none;cursor:pointer;
     font-weight:650;font-size:.95rem;border:1px solid transparent;transition:.15s;font-family:var(--sans)}
.btn-primary{background:var(--deep);color:#fff}
.btn-primary:hover{background:var(--deep-2)}
.btn-copper{background:var(--copper);color:#fff}
.btn-copper:hover{background:var(--copper-l)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--deep);color:var(--deep)}
.btn-light{background:#fff;color:var(--deep)}
.btn-light:hover{background:var(--paper-2)}
.btn-outline-light{border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.09)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;align-items:center}

/* bouton à deux lignes : libellé + rappel du délai */
.btn-stack{line-height:1.2;padding-top:11px;padding-bottom:11px;text-align:left;
           display:inline-flex;align-items:center;gap:16px}
.btn-stack .lbl{display:block;font-size:.95rem;font-weight:650}
.btn-stack .lbl span{display:block;font-size:.75rem;font-weight:500;opacity:.78;
                     margin-top:4px;letter-spacing:.01em}
.btn-stack .arrows{flex:none;display:block}
.nav .btn-stack{padding-left:22px;padding-right:16px}

/* déclinaison sauge du bouton principal */
.btn-sage{background:var(--sage);color:var(--deep);border-color:var(--sage-line)}
.btn-sage:hover{background:var(--sage-2)}
.nav a.btn-sage{color:var(--deep)}
.btn-sage .lbl span{opacity:.72}

/* ---------------- hero ---------------- */
.hero{padding:92px 0 76px;position:relative;overflow:hidden}
.hero h1 em{font-style:normal;color:var(--copper)}
.hero h1.claim{font-size:clamp(1.8rem,3.4vw,2.7rem);line-height:1.14;max-width:27ch}
.hero .lead{font-size:1.2rem;max-width:60ch}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero-note{font-size:.9rem;color:var(--faint);margin-top:20px}

/* pastille de promesse sous les boutons */
.promise{
  display:inline-flex;align-items:center;gap:14px;margin-top:26px;
  background:var(--paper-3);border:1px solid var(--copper);border-left-width:4px;
  padding:15px 22px;border-radius:2px;max-width:100%
}
.promise .h{font-family:var(--serif);font-size:1.22rem;font-weight:600;color:var(--deep);
            line-height:1.1;white-space:nowrap}
.promise .s{font-size:.9rem;color:var(--soft);line-height:1.35}
@media(max-width:520px){
  .promise{flex-direction:column;align-items:flex-start;gap:6px}
  .promise .h{white-space:normal}
}

/* bandeau de rappel sous le menu */
.topbar{background:var(--copper);color:rgba(255,255,255,.86);font-size:1.02rem;border:0}
.topbar .wrap{display:flex;align-items:center;justify-content:center;gap:30px;
              padding-top:14px;padding-bottom:14px;flex-wrap:wrap;text-align:center}
.topbar b{color:#fff;font-weight:700}
.topbar .sep{color:rgba(255,255,255,.42)}
@media(max-width:640px){
  .topbar{font-size:.9rem}
  .topbar .wrap{gap:10px;padding-top:12px;padding-bottom:12px}
}

/* étiquettes DPE décoratives */
.labels{display:flex;flex-direction:column;gap:12px}
.label-row{display:flex;align-items:center;gap:16px}
.label-row .tag{position:relative;height:44px;display:flex;align-items:center;
                padding-left:18px;color:#14181A;font-weight:700;font-size:1.05rem;
                font-family:var(--sans);flex:none}
.label-row .tag::after{content:"";position:absolute;right:-22px;top:0;border:22px solid transparent;
                       border-left-width:22px;border-right-width:0}
.label-row .txt{font-size:.93rem;color:var(--soft);margin-left:28px}
.label-row .tag-e{background:var(--dpe-e);width:150px}
.label-row .tag-e::after{border-left-color:var(--dpe-e)}
.label-row .tag-f{background:var(--dpe-f);width:178px}
.label-row .tag-f::after{border-left-color:var(--dpe-f)}
.label-row .tag-g{background:var(--dpe-g);width:206px;color:#fff}
.label-row .tag-g::after{border-left-color:var(--dpe-g)}

.page-head{padding:74px 0 62px;border-bottom:1px solid var(--line)}
.page-head h1{max-width:20ch}

/* ---------------- grilles ---------------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
        border:1px solid var(--line);margin-top:46px}
.grid-3 .cell{background:var(--paper);padding:32px 30px}
.band-2 .grid-3 .cell{background:var(--paper-2)}
.band-light .grid-3 .cell{background:var(--paper-3)}
.cell .num{font-family:var(--serif);font-size:1.45rem;color:var(--copper);display:block;
           margin-bottom:14px;font-weight:600}
.cell p{margin:0;color:var(--soft);font-size:.96rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.card{background:var(--paper-3);border:1px solid var(--line);padding:28px;border-radius:2px}
.card h3{margin-bottom:9px}
.card p{margin:0;color:var(--soft);font-size:.95rem}

/* ---------------- listes ---------------- */
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding:0 0 15px 32px;color:var(--soft);font-size:.99rem}
.checklist li::before{content:"";position:absolute;left:2px;top:.5em;width:7px;height:12px;
  border:solid var(--copper);border-width:0 1.8px 1.8px 0;transform:rotate(42deg)}

/* ---------------- engagements ---------------- */
.engagements{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
             background:rgba(255,255,255,.16);margin-top:44px}
.eng{background:var(--deep);padding:30px 28px}
.eng b{display:block;font-family:var(--serif);font-size:1.35rem;color:#fff;margin-bottom:10px;font-weight:600}
.eng p{margin:0;font-size:.92rem;color:rgba(255,255,255,.72)}

/* ---------------- calendrier ---------------- */
.timeline{margin-top:46px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
          background:var(--line);border:1px solid var(--line)}
.tl{background:var(--paper-3);padding:26px 24px}
.tl.on{background:var(--deep);color:#fff}
.tl .cls{font-family:var(--serif);font-size:1.9rem;font-weight:600;line-height:1;margin-bottom:8px;color:var(--deep)}
.tl.on .cls{color:var(--copper-l)}
.tl .date{font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
          color:var(--copper);margin-bottom:10px}
.tl.on .date{color:rgba(255,255,255,.62)}
.tl p{margin:0;font-size:.87rem;color:var(--soft)}
.tl.on p{color:rgba(255,255,255,.74)}

/* ---------------- tableau ---------------- */
table{width:100%;border-collapse:collapse;margin-top:26px;font-size:.95rem}
th,td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:700}
td:first-child{font-weight:600;color:var(--ink);width:36%}
td{color:var(--soft)}

/* ---------------- encadrés ---------------- */
.note{border-left:2px solid var(--copper);background:var(--paper-3);padding:22px 26px;
      font-size:.97rem;margin:26px 0}
.band-deep .note{background:rgba(255,255,255,.07);border-left-color:var(--copper-l);color:rgba(255,255,255,.84)}
.note strong{color:var(--deep)}
.band-deep .note strong{color:#fff}
.todo{background:#FBE3A8;color:#6E5310;padding:1px 8px;border-radius:2px;font-size:.85em;
      font-weight:700;white-space:nowrap}

/* ---------------- qualification ---------------- */
.qualif{display:flex;align-items:center;gap:22px;padding:26px 30px;background:var(--paper-3);
        border:1px solid var(--line);margin-top:38px;flex-wrap:wrap}
.qualif .badge{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--deep);
               border-right:1px solid var(--line);padding-right:22px;line-height:1.1;flex:none}
.qualif .badge span{display:block;font-family:var(--sans);font-size:.68rem;letter-spacing:.14em;
                    text-transform:uppercase;color:var(--copper);font-weight:700;margin-top:6px}
.qualif p{margin:0;font-size:.95rem;color:var(--soft);max-width:62ch}

/* ---------------- FAQ ---------------- */
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;
        align-items:center;gap:20px;font-size:1.02rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--copper);font-size:1.4rem;font-weight:300;flex:none;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:15px 0 0;color:var(--soft);font-size:.96rem}

/* ---------------- formulaire ---------------- */
.form-card{background:var(--paper-3);border:1px solid var(--line);padding:36px;border-radius:2px}
.band-deep .form-card{border-color:transparent;background:#fff}
.field{margin-bottom:20px}
.field label{display:block;font-size:.84rem;font-weight:650;margin-bottom:8px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:2px;font:inherit;font-size:.96rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid rgba(15,47,43,.2);border-color:var(--deep)}
.field textarea{min-height:112px;resize:vertical}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.consent{display:flex;gap:11px;align-items:flex-start;font-size:.83rem;color:var(--soft);margin-bottom:22px}
.consent input{width:auto;flex:none;margin-top:4px}

/* ---------------- validation du formulaire ---------------- */
.form-intro{font-size:.86rem;color:var(--soft);margin:-8px 0 24px}
.form-intro b{color:var(--ink)}

.form-alert{
  display:none;background:#FCEDEA;border:1px solid #E0A79C;border-left:4px solid #B33A2B;
  color:#7E2A1E;padding:15px 18px;border-radius:2px;margin-bottom:24px;font-size:.92rem;font-weight:550
}
.form-alert.on{display:block}

.field.error label{color:#B33A2B}
.field.error input,.field.error select,.field.error textarea{
  border-color:#B33A2B;background:#FDF6F4
}
.field.error input:focus,.field.error select:focus,.field.error textarea:focus{
  outline-color:rgba(179,58,43,.28)
}
.field .err,.consent .err{
  display:none;color:#B33A2B;font-size:.79rem;font-weight:650;margin-top:7px;
  letter-spacing:.01em
}
.field.error .err,.consent.error .err{display:block}
.consent.error{color:#B33A2B}
.consent.error input{outline:2px solid #B33A2B;outline-offset:2px}

/* ---------------- footer ---------------- */
footer.site{background:var(--deep);color:rgba(255,255,255,.62);font-size:.92rem;padding:58px 0 34px}
footer.site a{color:rgba(255,255,255,.86);text-decoration:none}
footer.site a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;margin-bottom:38px}
.foot-grid h4{color:#fff;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
              margin:0 0 16px;font-weight:700}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:10px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:24px;display:flex;
             justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.84rem;
             color:rgba(255,255,255,.5)}

/* ---------------- responsive ---------------- */
@media(max-width:1220px){
  section[id]{scroll-margin-top:178px}
  .brand .bl{font-size:9px;letter-spacing:.05em}
  .brand svg{width:62px;height:52px}
  .brand .nm{font-size:20px}
  .nav{gap:18px}
  .nav a{font-size:.88rem}
  .navbar{height:106px}
}
@media(max-width:980px){
  .hero-grid,.grid-2{grid-template-columns:1fr;gap:42px}
  .grid-3,.cards,.timeline,.engagements{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:720px){
  section{padding:58px 0}
  .hero{padding:60px 0 54px}
  .grid-3,.cards,.timeline,.engagements{grid-template-columns:1fr}
  .row-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .navbar{height:84px}
  section[id]{scroll-margin-top:156px}
  .brand .bl{display:none}
  .brand svg{width:42px;height:36px}
  .brand .nm{font-size:19px}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);
       flex-direction:column;align-items:stretch;gap:0;padding:8px 28px 22px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px;text-align:center;border-bottom:0}
  .burger{display:block}
  td:first-child{width:42%}
  .qualif .badge{border-right:0;border-bottom:1px solid var(--line);padding:0 0 16px;width:100%}
}

/* ancrage : le bandeau de rappel passe sur deux lignes sous 500 px */
@media(max-width:500px){
  section[id]{scroll-margin-top:184px}
}