@font-face{font-family:'Inter';src:url('/assets/inter.woff2') format('woff2');font-weight:400 800;font-display:swap}
:root{--primary:#231610;--accent:#0d9488;--accent-dark:#0f766e;--hero-a:#241812;--hero-b:#120b07;--bg:#ffffff;--surface:#f8fafc;--text:#1e293b;--muted:#64748b;--line:#e2e8f0}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--accent);color:#fff}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1080px;margin:0 auto;gap:18px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.18rem;color:var(--primary);letter-spacing:-.02em}
.brand svg{flex:none}
.brand:hover{text-decoration:none}
nav.main-nav{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
nav.main-nav a{color:var(--text);font-size:.94rem;font-weight:500}
nav.main-nav a:not(.btn):hover{text-decoration:none;color:var(--accent-dark)}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--accent);color:#fff;padding:15px 30px;border-radius:999px;font-weight:700;border:none;cursor:pointer;font-size:1rem;transition:background .15s ease,transform .15s ease,box-shadow .15s ease}
.btn:hover{background:var(--accent-dark);text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 28px -12px var(--accent)}
.btn-nav{padding:10px 22px;font-size:.92rem}
.btn-arrow::after{content:'→';font-weight:700;transition:transform .15s ease}
.btn-arrow:hover::after{transform:translateX(3px)}
.btn-outline{display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:999px;font-weight:700;font-size:1rem;color:#fff;border:1.5px solid rgba(255,255,255,.32);background:rgba(255,255,255,.04);transition:border-color .15s ease,background .15s ease}
.btn-outline:hover{text-decoration:none;border-color:rgba(255,255,255,.65);background:rgba(255,255,255,.09)}
.btn-outline::after{content:'→';font-weight:700}

/* ---------- Burger (mobile) ---------- */
.nav-toggle{display:none}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;z-index:60}
.burger span{width:24px;height:2.5px;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
@media (max-width:880px){
  .burger{display:flex}
  nav.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:18px 24px 24px;gap:16px;box-shadow:0 24px 40px -24px rgba(15,23,42,.35)}
  .nav-toggle:checked ~ nav.main-nav{display:flex}
  .nav-toggle:checked ~ .burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle:checked ~ .burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .header-inner{position:relative}
}

/* ---------- Hero sombre ---------- */
.hero{position:relative;padding:88px 0 80px;overflow:hidden;background:linear-gradient(165deg,var(--hero-a) 0%,var(--hero-b) 100%)}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(640px 420px at 85% -5%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 65%);pointer-events:none}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.22);color:#dbe4ee;font-size:.88rem;font-weight:500;margin-bottom:26px;background:rgba(255,255,255,.04)}
.badge svg{color:var(--accent)}
.hero h1{font-weight:800;font-size:clamp(2.3rem,5.2vw,3.6rem);line-height:1.1;color:#fff;letter-spacing:-.03em;max-width:720px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{margin-top:22px;font-size:1.13rem;color:#b6c2d0;max-width:600px;line-height:1.7}
.hero .hero-cta{margin-top:34px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.hero .tel{font-weight:700;color:#fff;font-size:1.06rem}
.chips{margin-top:38px;display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;font-weight:500;color:#c3cedb;padding:7px 15px;border-radius:999px;border:1px solid rgba(255,255,255,.16)}
.chip svg{flex:none;color:var(--accent)}
.hero-img{position:relative}
.hero-img img{width:100%;height:auto;border-radius:20px;display:block;box-shadow:0 40px 90px -30px rgba(0,0,0,.6)}
.hero-img::after{content:'';position:absolute;inset:0;border-radius:20px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);pointer-events:none}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero-img img{max-height:320px;object-fit:cover}.hero{padding:56px 0 56px}}

/* ---------- Contenu ---------- */
main{padding:64px 0 12px}
.breadcrumb{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:28px;font-weight:600}
.breadcrumb a{color:var(--muted)}
article h1{font-weight:800;font-size:clamp(1.9rem,4.2vw,2.7rem);color:var(--primary);letter-spacing:-.03em;line-height:1.15;margin-bottom:18px;max-width:820px}
article .intro{font-size:1.12rem;color:var(--muted);margin-bottom:40px;max-width:720px;line-height:1.7}
article h2{font-weight:800;font-size:1.55rem;color:var(--primary);margin:56px 0 18px;letter-spacing:-.02em;line-height:1.25;max-width:760px}
article h3{font-size:1.1rem;font-weight:700;color:var(--primary);margin:26px 0 8px}
article p{margin-bottom:15px;max-width:720px}
article ul,article ol{margin:0 0 15px 24px;max-width:700px}
article li{margin-bottom:8px}
article li::marker{color:var(--accent)}
article table{border-collapse:separate;border-spacing:0;margin:22px 0;width:100%;max-width:780px;font-size:.95rem;background:var(--bg);border:1px solid var(--line);border-radius:16px;overflow:hidden}
article th,article td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
article tr:last-child td{border-bottom:none}
article th{background:var(--surface);color:var(--primary);font-weight:700}

/* Home : sections centrées façon 7monenergie */
body.home article h2{text-align:center;max-width:none;margin:72px auto 14px;font-size:clamp(1.6rem,3.4vw,2.15rem)}
body.home article > section:first-of-type h2{margin-top:8px}

/* ---------- Images de contenu ---------- */
.page-img{margin:8px 0 40px}
.page-img img{width:100%;max-height:420px;object-fit:cover;border-radius:20px;display:block;border:1px solid var(--line)}
.media-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin:26px 0 10px;text-align:left}
.media-split.rev{direction:rtl}
.media-split.rev>*{direction:ltr}
.media-split img{width:100%;height:100%;max-height:400px;object-fit:cover;border-radius:20px;display:block;box-shadow:0 24px 60px -32px rgba(15,23,42,.45)}
.media-split p{max-width:none}
@media (max-width:840px){.media-split{grid-template-columns:1fr;gap:26px}.media-split img{max-height:280px}}

/* ---------- Barre CTA mobile ---------- */
.cta-mobile{display:none}
@media (max-width:640px){
  .cta-mobile{display:block;position:fixed;bottom:0;left:0;right:0;z-index:70;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .cta-mobile .btn{display:flex;width:100%;justify-content:center}
  body{padding-bottom:84px}
}

/* ---------- Cartes ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px;margin:34px 0 12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px 28px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:0 24px 48px -28px rgba(15,23,42,.35)}
.card .ic{width:48px;height:48px;border-radius:14px;background:color-mix(in srgb,var(--accent) 13%,transparent);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--accent-dark)}
.card h3{margin:0 0 8px;font-weight:700;font-size:1.14rem;color:var(--primary);letter-spacing:-.01em}
.card p{font-size:.94rem;color:var(--muted);margin:0 0 16px;flex:1}
.card a.more{font-size:.93rem;font-weight:700;display:inline-flex;align-items:center;gap:6px;color:var(--accent-dark)}
.card a.more::after{content:'→';transition:transform .15s ease}
.card a.more:hover{text-decoration:none}
.card a.more:hover::after{transform:translateX(4px)}

/* ---------- Étapes ---------- */
ol.steps{list-style:none;margin:30px 0 12px;max-width:760px;counter-reset:etape}
ol.steps li{counter-increment:etape;position:relative;padding:6px 0 30px 72px;margin:0}
ol.steps li::before{content:counter(etape);position:absolute;left:0;top:2px;width:46px;height:46px;border-radius:13px;background:var(--accent);color:#fff;font-weight:800;font-size:1.25rem;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px -10px var(--accent)}
ol.steps li:not(:last-child)::after{content:'';position:absolute;left:23px;top:56px;bottom:6px;width:2px;background:var(--line)}

/* ---------- FAQ ---------- */
.faq{margin-top:56px}
.faq details{background:var(--bg);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;padding:20px 24px;transition:border-color .2s ease,box-shadow .2s ease}
.faq details[open]{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));box-shadow:0 16px 36px -28px rgba(15,23,42,.35)}
.faq summary{font-weight:700;cursor:pointer;color:var(--primary);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:1.5rem;font-weight:400;color:var(--accent);transition:transform .25s ease;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:14px 0 0;color:var(--muted)}

/* ---------- Bloc CTA ---------- */
.cta-block{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--hero-a),var(--hero-b));color:#fff;border-radius:24px;padding:56px 52px;margin:72px 0 16px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta-block::before{content:'';position:absolute;inset:0;background:radial-gradient(460px 300px at 88% 115%,color-mix(in srgb,var(--accent) 38%,transparent),transparent 70%);pointer-events:none}
.cta-block>*{position:relative}
.cta-block h2{font-weight:800;color:#fff;font-size:1.65rem;margin:0;letter-spacing:-.02em;max-width:520px;line-height:1.25}
.cta-block p{color:#b6c2d0;margin:10px 0 0;font-size:1rem}

/* ---------- Formulaire ---------- */
.form-wrap{max-width:580px;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:38px 34px;margin:34px 0;box-shadow:0 24px 56px -44px rgba(15,23,42,.5)}
.form-wrap label{display:block;font-weight:600;font-size:.9rem;margin:18px 0 7px;color:var(--primary)}
.form-wrap input,.form-wrap textarea,.form-wrap select{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;font-size:1rem;font-family:inherit;background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}
.form-wrap input:focus,.form-wrap textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent)}
.form-wrap .btn{margin-top:26px;width:100%;justify-content:center}
.form-note{font-size:.8rem;color:var(--muted);margin-top:14px;line-height:1.55}
.form-msg{margin-top:16px;font-weight:600;display:none}
.form-msg.ok{color:#15803d;display:block}
.form-msg.err{color:#b91c1c;display:block}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* ---------- Footer ---------- */
footer{background:var(--hero-b);color:#94a3b8;margin-top:96px;padding:64px 0 36px;font-size:.93rem}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:34px;max-width:1080px;margin:0 auto;padding:0 24px}
.footer-cols h4{font-weight:700;font-size:1rem;color:#fff;margin-bottom:14px}
.footer-cols ul{list-style:none}
.footer-cols li{margin-bottom:8px}
.footer-cols a{color:#94a3b8}
.footer-cols a:hover{color:#fff}
.footer-legal{max-width:1080px;margin:44px auto 0;padding:22px 24px 0;border-top:1px solid rgba(255,255,255,.12);color:#748399;font-size:.82rem;line-height:1.7}
.footer-legal a{color:#94a3b8}

/* ---------- Animation d'entrée (hero uniquement, CSS pur — jamais de contenu masqué au scroll) ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero .badge{animation:fadeUp .5s ease both}
.hero h1{animation:fadeUp .55s ease .06s both}
.hero .lead{animation:fadeUp .55s ease .14s both}
.hero .hero-cta{animation:fadeUp .55s ease .22s both}
.hero .chips{animation:fadeUp .6s ease .3s both}
.hero-img{animation:fadeUp .65s ease .18s both}
@media (prefers-reduced-motion:reduce){.hero .badge,.hero h1,.hero .lead,.hero .hero-cta,.hero .chips,.hero-img{animation:none}.btn,.card{transition:none}}

@media (max-width:640px){
  .cta-block{padding:40px 28px}
  main{padding:40px 0 8px}
}