@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,600;12..96,700;12..96,800&family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

/* ===== Switch Énergie — design system partagé (v2) ===== */
:root{
  --bg:#F1F5EF; --surface:#FFFFFF; --card:#FFFFFF; --surface-2:#F7FAF5;
  --ink:#0B1F19; --muted:#55665E; --line:#E0E8DF;
  --brand:#0E7C57; --green:#0E7C57; --brand-deep:#0A3D2E; --green-d:#0A3D2E;
  --brand-soft:#E4F2EA; --spark:#F7A81B; --accent:#F7A81B; --spark-ink:#7A4E00;
  --electric:#19C98C;
  --shadow:0 1px 2px rgba(11,31,25,.04),0 12px 32px -12px rgba(11,31,25,.18);
  --r:18px;
}
:root:not([data-theme="light"]){ @media (prefers-color-scheme:dark){
  --bg:#06140F; --surface:#0D241C; --card:#0D241C; --surface-2:#0A1D16;
  --ink:#EAF4EE; --muted:#94ACA1; --line:#1B3A2F;
  --brand:#2FD69E; --green:#2FD69E; --brand-deep:#B8ECD6; --green-d:#B8ECD6;
  --brand-soft:#11302572; --spark:#FFC24B; --accent:#FFC24B; --spark-ink:#FFDFA6;
  --electric:#3CE6AB;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 40px -14px rgba(0,0,0,.6);
}}
:root[data-theme="dark"]{
  --bg:#06140F; --surface:#0D241C; --card:#0D241C; --surface-2:#0A1D16;
  --ink:#EAF4EE; --muted:#94ACA1; --line:#1B3A2F;
  --brand:#2FD69E; --green:#2FD69E; --brand-deep:#B8ECD6; --green-d:#B8ECD6;
  --brand-soft:#11302572; --spark:#FFC24B; --accent:#FFC24B; --spark-ink:#FFDFA6;
  --electric:#3CE6AB;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 40px -14px rgba(0,0,0,.6);
}

*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Hanken Grotesk",system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px}
h1,h2,h3{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.08;letter-spacing:-.02em;text-wrap:balance;font-weight:700;margin:0 0 .4em}
h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
p{margin:0 0 1em}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}

/* Header */
header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1.18rem;color:var(--ink)!important;text-decoration:none!important}
.logo{width:38px;height:38px;flex:0 0 38px;border-radius:11px;box-shadow:0 6px 16px -6px var(--brand)}
.navlinks{display:flex;gap:24px;align-items:center;font-weight:600;font-size:.95rem}
.navlinks a{color:var(--muted);text-decoration:none}
.navlinks a:hover{color:var(--ink)}
.navlinks a.tel{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:700}
.navlinks a.tel svg{width:16px;height:16px;fill:var(--brand)}
.navlinks a.cta,.nav a.cta{background:var(--brand);color:#fff;padding:11px 20px;border-radius:999px;font-weight:700;font-family:"Bricolage Grotesque",sans-serif;text-decoration:none;transition:transform .15s,box-shadow .15s}
.navlinks a.cta:hover,.nav a.cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px var(--brand);color:#fff}
@media(max-width:820px){.navlinks a:not(.cta):not(.tel){display:none}.navlinks a.tel span{display:none}}

/* Breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-family:"Bricolage Grotesque",sans-serif;padding:14px 26px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;font-size:1rem;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px var(--brand);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn:focus-visible{outline:3px solid var(--spark);outline-offset:2px}

/* Hero (sous-pages) */
.hero{padding:64px 0 40px;background:radial-gradient(1000px 380px at 85% -10%,color-mix(in srgb,var(--brand) 14%,transparent),transparent)}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.badge{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-weight:600;font-size:.88rem;box-shadow:var(--shadow)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}

/* Sections */
section{padding:56px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
.card h3{font-size:1.25rem}
.aud .tag{display:inline-block;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.steps{counter-reset:s}
.step{display:flex;gap:16px;align-items:flex-start}
.step .n{flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;font-family:"Bricolage Grotesque",sans-serif}
ul.check{list-style:none;padding:0;margin:0}
ul.check li{padding:7px 0 7px 30px;position:relative}
ul.check li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}

/* Bande CTA */
.band{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;border-radius:24px;padding:48px;text-align:center}
.band h2{color:#fff}
.band a{color:#fff}
.band .btn-primary{background:#fff;color:var(--brand)}
.band .btn-primary:hover{background:var(--brand-soft)}
.band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}

/* Article / prose */
.prose{max-width:720px}
.prose h2{margin-top:1.6em;font-size:1.5rem}
.prose h3{margin-top:1.2em}
.prose ul,.prose ol{padding-left:1.2em;margin:0 0 1em}
.prose li{margin:.35em 0}
.article time{color:var(--muted);font-size:.9rem}
.article .lead{font-size:1.15rem}
.toc{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:24px 0}
.toc strong{display:block;margin-bottom:8px;font-family:"Bricolage Grotesque",sans-serif}
.toc a{display:block;padding:3px 0}
.article-cta{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;border-radius:20px;padding:32px;text-align:center;margin:36px 0}
.article-cta h3{color:#fff;margin:0 0 8px}
.article-cta .btn-primary{background:#fff;color:var(--brand)}
.article-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}

/* Blog cards */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;margin-top:26px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px -14px rgba(11,31,25,.28)}
.post-card .cat{display:inline-block;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);padding:4px 11px;border-radius:999px;align-self:flex-start;margin-bottom:13px}
.post-card h3{font-size:1.14rem;margin:0 0 8px;line-height:1.25}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--brand);text-decoration:none}
.post-card .excerpt{color:var(--muted);font-size:.95rem;margin:0 0 14px}
.post-card .meta{margin-top:auto;font-size:.82rem;color:var(--muted)}
.post-card .more{font-weight:700;color:var(--brand);margin-top:10px;font-family:"Bricolage Grotesque",sans-serif}

/* FAQ */
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 22px;margin-bottom:12px}
summary{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;padding:15px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--brand);font-weight:700;font-size:1.4rem}
details[open] summary:after{content:"–"}

/* Footer */
footer{background:var(--brand-deep);color:#AEC4BA;padding:48px 0 30px;margin-top:20px;font-size:.92rem}
footer a{color:#fff}
footer .brand,footer strong{color:#fff}

/* Barre d'appel mobile */
.nav-actions{display:flex;align-items:center;gap:12px}
.callbar{display:none}
@media(max-width:760px){
  .callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--brand);color:#fff;font-weight:800;font-family:"Bricolage Grotesque",sans-serif;align-items:center;justify-content:center;gap:10px;padding:15px;box-shadow:0 -4px 16px rgba(0,0,0,.18);text-decoration:none}
  .callbar svg{width:20px;height:20px;fill:#fff}
  body{padding-bottom:58px}
}

@media(max-width:760px){.grid2,.grid3{grid-template-columns:1fr}.band{padding:32px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}