/* A Energy Services SA — feuille de style commune (FR + EN + IT)
   Couleurs du logo : vert #03a450, noir #1a1c21 */
@font-face{font-family:'Montserrat';font-weight:600;font-style:normal;font-display:swap;src:url('assets/fonts/montserrat-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-weight:700;font-style:normal;font-display:swap;src:url('assets/fonts/montserrat-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-weight:800;font-style:normal;font-display:swap;src:url('assets/fonts/montserrat-latin-800-normal.woff2') format('woff2')}

:root{
  --green:#03a450;          /* vert du logo — aplats, filets, motifs */
  --green-ui:#02803e;       /* boutons et liens (contraste AA sur blanc) */
  --green-ui-dark:#016c34;
  --green-bright:#1fc46b;   /* accents sur fond sombre */
  --ink:#14171c;
  --ink-2:#1b1f26;
  --ink-3:#2a3039;
  --text:#1a1c21;
  --muted:#59626e;
  --on-dark:#c3cad3;
  --bg:#ffffff;
  --bg-soft:#f3f5f4;
  --line:#e2e6e4;
  --radius:10px;
  --display:'Montserrat','Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  --body:'Segoe UI',system-ui,-apple-system,Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--body);color:var(--text);background:var(--bg);line-height:1.65;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--green-ui);text-decoration:none}
a:hover{color:var(--green-ui-dark)}
:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:4px}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4,h5{font-family:var(--display);line-height:1.2;text-wrap:balance}
.nw{white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}

/* ---------- En-tête ---------- */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.nav .logo img{height:44px;width:auto}
.nav ul{display:flex;gap:24px;list-style:none;align-items:center}
.nav ul a{color:var(--text);font-weight:600;font-size:.93rem;white-space:nowrap;transition:color .2s}
.nav ul a:hover{color:var(--green-ui)}
.nav ul a.active{color:var(--green-ui);box-shadow:0 2px 0 var(--green);padding-bottom:4px}
.nav ul a.lang{font-family:var(--display);font-size:.78rem;font-weight:700;letter-spacing:.06em;border:1.5px solid var(--line);border-radius:6px;padding:5px 9px;color:var(--muted)}
.nav ul a.lang:hover{border-color:var(--green);color:var(--green-ui)}
.nav ul li.langs{display:flex;gap:6px;justify-content:center}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--green-ui);color:#fff !important;padding:12px 24px;border-radius:6px;font-family:var(--display);font-weight:700;font-size:.9rem;letter-spacing:.01em;transition:background .2s,transform .2s;border:none;cursor:pointer}
.btn:hover{background:var(--green-ui-dark);transform:translateY(-1px)}
.btn::after{content:'';width:7px;height:7px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);margin-left:-2px}
.btn-ghost{background:transparent;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.nav ul a.btn{padding:10px 20px;box-shadow:none}
.nav ul a.btn:hover{color:#fff}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---------- Motif : barre oblique du « A » ---------- */
.eyebrow,.kicker{font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;display:flex;align-items:center;gap:10px}
.eyebrow::before,.kicker::before{content:'';flex:0 0 auto;width:16px;height:11px;background:var(--green);transform:skewX(-20deg)}
.eyebrow{color:var(--green-ui);margin-bottom:14px}
.kicker{color:var(--green-bright);margin-bottom:22px}
.kicker::before{background:var(--green-bright)}

/* ---------- Héro accueil ---------- */
.hero,.page-hero{position:relative;color:#fff;background-color:var(--ink);overflow:hidden;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;background-position:center top}
.hero::before,.page-hero::before{content:'';position:absolute;top:-20%;right:-6%;width:34%;height:140%;background:linear-gradient(180deg,rgba(3,164,80,.20),rgba(3,164,80,0) 75%);transform:skewX(-20deg);pointer-events:none}
.hero .container{position:relative;padding-top:92px}
.hero h1{font-size:clamp(2.1rem,4.8vw,3.6rem);font-weight:800;max-width:860px;letter-spacing:-.015em}
.hero h1 em{font-style:normal;color:var(--green-bright)}
.hero p.intro{margin:24px 0 34px;font-size:1.16rem;max-width:660px;color:var(--on-dark)}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .skyline{margin-top:26px;width:100%}
.hero .skyline img{width:100%;height:auto;margin-bottom:-3.2%}

/* ---------- Bannière de page intérieure ---------- */
.page-hero .container{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:end;padding-top:64px}
.page-hero .txt{padding-bottom:64px}
.page-hero h1{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;letter-spacing:-.01em}
.page-hero p{color:var(--on-dark);max-width:560px;margin-top:14px;font-size:1.08rem}
.page-hero .illu img{width:100%;height:auto;margin-bottom:-5%}
.page-hero.plain .container{grid-template-columns:1fr}
.breadcrumb{font-size:.84rem;color:#8d97a3;margin-bottom:18px}
.breadcrumb a{color:#fff}

/* ---------- Bandeau de repères ---------- */
.facts{border-bottom:1px solid var(--line);background:#fff}
.facts .container{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:30px 26px;border-left:1px solid var(--line)}
.fact:first-child{border-left:none;padding-left:0}
.fact b{display:block;font-family:var(--display);font-size:1.3rem;font-weight:800;color:var(--text)}
.fact b i{font-style:normal;color:var(--green-ui)}
.fact span{display:block;font-size:.9rem;color:var(--muted);margin-top:4px;line-height:1.45}

/* ---------- Sections ---------- */
section{padding:92px 0}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--ink);color:#fff}
.section-dark h2{color:#fff}
.section-dark .lead{color:var(--on-dark)}
.section-dark .eyebrow{color:var(--green-bright)}
.section-dark .eyebrow::before{background:var(--green-bright)}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;margin-bottom:16px;letter-spacing:-.01em;max-width:820px}
.lead{color:var(--muted);font-size:1.09rem;max-width:780px}
p + p{margin-top:14px}

/* ---------- Cartes segments (accueil) ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:50px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;color:inherit;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(20,23,28,.12);border-color:#cfd6d2;color:inherit}
.card .thumb{background:var(--ink);padding:22px 18px 0;border-bottom:3px solid var(--green)}
.card .thumb img{width:100%;height:auto;margin-bottom:-5%}
.card .body{padding:28px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:1.2rem;font-weight:800;margin-bottom:6px}
.card .range{font-family:var(--display);color:var(--green-ui);font-weight:700;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.card p{color:var(--muted);font-size:.96rem;flex:1}
.card .more{margin-top:20px;font-family:var(--display);font-weight:700;font-size:.88rem;color:var(--green-ui)}
.card .more::after{content:' →'}

/* ---------- Bandeau RTB (accueil) ---------- */
.band{margin-top:64px;background:var(--ink);color:#fff;border-radius:var(--radius);padding:52px 48px;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;position:relative;overflow:hidden}
.band::after{content:'';position:absolute;right:-60px;top:-30%;width:160px;height:160%;background:rgba(3,164,80,.14);transform:skewX(-20deg);pointer-events:none}
.band > *{position:relative;z-index:1}
.band h2{color:#fff;font-size:clamp(1.45rem,2.6vw,1.95rem)}
.band p{color:var(--on-dark)}
.band .eyebrow{color:var(--green-bright)}
.band .eyebrow::before{background:var(--green-bright)}
.band .checklist{margin-top:0}
.band .checklist li{color:var(--on-dark)}
.band .checklist li strong{color:#fff}
.band .checklist li:last-child{margin-bottom:0}
.band .checklist li::before{background:var(--green-bright)}

/* ---------- Grille de prestations / usages ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;gap:18px;align-items:flex-start}
.tile .ico{flex:0 0 46px;height:46px;border-radius:8px;background:rgba(3,164,80,.11);color:var(--green-ui);display:flex;align-items:center;justify-content:center}
.tile .ico svg{width:24px;height:24px}
.tile h3{font-size:1.02rem;font-weight:700;margin-bottom:6px}
.tile p{color:var(--muted);font-size:.93rem;line-height:1.55}
.section-dark .tile{background:var(--ink-2);border-color:var(--ink-3)}
.section-dark .tile h3{color:#fff}
.section-dark .tile p{color:var(--on-dark)}
.section-dark .tile .ico{background:rgba(31,196,107,.14);color:var(--green-bright)}

/* ---------- Segments (bordure verte) ---------- */
.segments{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:42px}
.segment{background:#fff;border:1px solid var(--line);border-top:3px solid var(--green);border-radius:var(--radius);padding:26px}
.segment h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.segment p{color:var(--muted);font-size:.94rem}

/* ---------- Étapes EPC ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:50px;counter-reset:step;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.step{padding:30px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);counter-increment:step;position:relative}
.step:nth-child(3n){border-right:none}
.step:nth-last-child(-n+3){border-bottom:none}
.step::before{content:counter(step,decimal-leading-zero);display:block;font-family:var(--display);font-weight:800;font-size:2rem;color:transparent;-webkit-text-stroke:1.5px var(--green);margin-bottom:12px;line-height:1}
.step h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem;line-height:1.55}

/* ---------- Étapes détaillées (page EPC) ---------- */
.timeline{margin-top:50px;counter-reset:step;position:relative;max-width:900px}
.timeline::before{content:'';position:absolute;left:27px;top:10px;bottom:10px;width:2px;background:var(--line)}
.phase{position:relative;padding:0 0 44px 84px;counter-increment:step}
.phase:last-child{padding-bottom:0}
.phase::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:0;width:56px;height:56px;border-radius:8px;background:var(--ink);color:var(--green-bright);font-family:var(--display);font-weight:800;font-size:1.05rem;display:flex;align-items:center;justify-content:center}
.phase h3{font-size:1.25rem;font-weight:800;margin-bottom:8px;padding-top:4px}
.phase p{color:var(--muted)}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tags li{font-size:.82rem;font-weight:600;color:#2f3742;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:4px 12px}

/* ---------- Liste à coches ---------- */
.checklist{list-style:none;margin-top:22px}
.checklist li{padding-left:34px;position:relative;margin-bottom:14px}
.checklist li::before{content:'';position:absolute;left:2px;top:7px;width:14px;height:11px;background:var(--green);transform:skewX(-20deg)}
.checklist li strong{font-weight:700}

/* ---------- Bloc deux colonnes ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.panel{background:var(--ink);border-radius:var(--radius);padding:34px;color:#fff;position:relative;overflow:hidden}
.panel::after{content:'';position:absolute;right:-40px;top:-30%;width:120px;height:160%;background:rgba(3,164,80,.16);transform:skewX(-20deg)}
.panel h3{font-size:1.1rem;font-weight:700;margin-bottom:18px;position:relative;z-index:1}
.panel dl{position:relative;z-index:1}
.panel dt{font-family:var(--display);font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-bright);margin-top:18px}
.panel dt:first-child{margin-top:0}
.panel dd{color:var(--on-dark);font-size:.95rem;margin-top:4px}

/* ---------- Encadré ---------- */
.notice{background:#f1faf5;border:1px solid #bfe5cf;border-left:5px solid var(--green);border-radius:var(--radius);padding:30px 32px;margin-top:50px}
.notice h3{font-size:1.2rem;font-weight:800;margin-bottom:10px}
.notice p{color:#3a434e}

/* ---------- FAQ ---------- */
.faq{margin-top:42px;display:grid;gap:14px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px}
.faq-item h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.faq-item p{color:var(--muted);font-size:.97rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:40px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px}
.contact-card h2,.contact-card h3{font-size:.78rem;font-family:var(--display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-ui);margin-bottom:8px;max-width:none}
.contact-card p{color:var(--text)}
.contact-card + .contact-card{margin-top:18px}
.map iframe{width:100%;min-height:300px;border:0;display:block}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .field{margin-bottom:18px}
form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
form input,form select,form textarea{width:100%;padding:12px 14px;border:1px solid #cdd4d0;border-radius:8px;font:inherit;background:#fff;color:var(--text)}
form input:focus,form select:focus,form textarea:focus{outline:2px solid var(--green);border-color:var(--green)}
form textarea{min-height:140px;resize:vertical}
form .hint{font-size:.82rem;color:var(--muted);margin-top:14px}
.flash{display:none;border-radius:8px;padding:14px 16px;margin-bottom:18px;font-size:.95rem}
.flash.ok{background:#e6f6ec;border:1px solid #9ad4ae;color:#14572e}
.flash.err{background:#fdecec;border:1px solid #f0a8a8;color:#8f2525}

/* ---------- Texte légal ---------- */
.prose{max-width:800px}
.prose h2{font-size:1.35rem;margin-top:44px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:#3a434e}
.prose ul{margin:12px 0 0 22px}
.prose li{margin-bottom:6px}

/* ---------- Appel à l'action final ---------- */
.cta-final{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-final::before{content:'';position:absolute;left:-5%;top:-20%;width:26%;height:140%;background:rgba(3,164,80,.18);transform:skewX(-20deg)}
.cta-final .container{position:relative;display:flex;justify-content:space-between;align-items:center;gap:36px;flex-wrap:wrap}
.cta-final h2{color:#fff;margin-bottom:10px}
.cta-final p{color:var(--on-dark);max-width:620px}

/* ---------- Pied de page ---------- */
footer{background:#0e1014;color:var(--on-dark);padding:56px 0 30px;border-top:1px solid var(--ink-3)}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;align-items:flex-start}
footer img{height:44px;width:auto;margin-bottom:16px}
footer h5{color:#fff;font-size:.76rem;margin-bottom:14px;text-transform:uppercase;letter-spacing:.12em}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer ul a{color:var(--on-dark);font-size:.92rem}
footer ul a:hover,footer a:hover{color:var(--green-bright)}
footer .small{font-size:.9rem;line-height:1.7}
footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8d97a3}
footer a{color:#fff}

/* ---------- Adaptatif ---------- */
@media(max-width:1180px){
  .nav ul{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:10px 0 18px;box-shadow:0 18px 30px rgba(20,23,28,.08)}
  .nav ul.open{display:flex}
  .nav ul li{width:100%;text-align:center;padding:11px 0}
  .burger{display:block}
}
@media(max-width:900px){
  .cards,.grid3,.segments,.steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3n){border-right:1px solid var(--line)}
  .step:nth-child(2n){border-right:none}
  .step:nth-last-child(-n+3){border-bottom:1px solid var(--line)}
  .step:nth-last-child(-n+2){border-bottom:none}
  .split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .band{grid-template-columns:1fr;gap:34px;padding:40px 32px}
  .facts .container{grid-template-columns:1fr 1fr}
  .fact{padding:24px 20px}
  .fact:nth-child(odd){border-left:none;padding-left:0}
  .fact:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .page-hero .container{grid-template-columns:1fr;gap:0;padding-top:48px}
  .page-hero .txt{padding-bottom:20px}
  .page-hero.plain .txt{padding-bottom:48px}
  footer .cols{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{padding:0 18px}
  .cards,.grid3,.grid2,.segments,.steps{grid-template-columns:1fr}
  .step,.step:nth-child(3n){border-right:none}
  .step:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:none}
  section{padding:64px 0}
  .hero .container{padding-top:60px}
  .hero p.intro{font-size:1.05rem}
  form .row{grid-template-columns:1fr;gap:0}
  .phase{padding-left:70px}
  .timeline::before{left:23px}
  .phase::before{width:48px;height:48px}
  .tile{padding:22px}
  .contact-card{padding:24px 20px}
  .band{padding:32px 22px;margin-top:48px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn,.card{transition:none}
  .btn:hover,.card:hover{transform:none}
}