:root{
  --ink:#0F1B2D;--text:#3A4658;--muted:#5B6677;--line:#E3E6EB;--bg:#F7F8FA;
  --accent:#F08A24;--accent-text:#B4540A;--accent-soft:#FDEBD8;--panel:#1B2A40;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent-text)}a:hover{color:#8A3F06}
h1,h2,h3{line-height:1.12;letter-spacing:-0.01em;margin:0}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dark{background:var(--ink);color:#fff}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-text)}
.lead{font-size:18px;color:var(--text);max-width:680px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:#E07A12;color:var(--ink)}
.btn-ghost{background:#fff;color:var(--ink);border-color:#C9CFD8}
.btn-ghost:hover{color:var(--ink);border-color:var(--ink)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{color:var(--ink);background:var(--bg)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* En-tête */
header.top{background:#fff;border-bottom:1px solid var(--line)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.logo{font-weight:800;font-size:24px;color:var(--ink);text-decoration:none;letter-spacing:-0.02em}
.logo span{color:var(--accent-text)}
nav.main{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:15px}
nav.main a.link{color:var(--text);text-decoration:none}
nav.main a.link:hover{color:var(--ink)}

/* Accroche */
.hero{display:flex;flex-wrap:wrap;align-items:center;gap:48px;padding:72px 0 64px}
.hero-text{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:20px}
.hero h1{font-size:clamp(34px,5vw,52px);font-weight:800;letter-spacing:-0.02em}
.hero .lead{font-size:19px}
.actions{display:flex;flex-wrap:wrap;gap:12px;padding-top:8px}
.reassure{font-size:15px;color:var(--muted)}
.hero-visual{flex:1 1 360px;min-width:0;display:flex;justify-content:center}
.app{width:100%;max-width:420px;background:var(--ink);color:#fff;border-radius:24px;padding:24px;display:flex;flex-direction:column;gap:12px}
.app-head{display:flex;justify-content:space-between;align-items:baseline}
.app-head strong{font-size:20px}
.app-head small{font-size:13px;color:#AEB7C4}
.room{background:var(--panel);border-radius:14px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.room .state{font-size:13px;color:#AEB7C4;margin-right:10px}
.room .state.on{color:#FFC58A}
.room .temp{font-size:22px;font-weight:700}
.alert{background:#3A2410;border:1px solid var(--accent);border-radius:14px;padding:14px 16px}
.alert strong{display:block;color:#FFC58A;font-size:15px}
.alert span{font-size:13px;color:#E8D6C4}

/* Cartes */
.head{display:flex;flex-direction:column;gap:12px;margin-bottom:40px}
.head h2{font-size:clamp(28px,4vw,38px);font-weight:800}
.cards{display:flex;flex-wrap:wrap;gap:24px}
.card{flex:1 1 300px;min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px}
.card h3{font-size:22px;font-weight:700}
.card p{font-size:16px;color:var(--text)}
.card svg{width:32px;height:32px}

/* Offres */
.offers{display:flex;flex-wrap:wrap;gap:24px;align-items:stretch}
.offer{flex:1 1 420px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:16px}
.offer.featured{border:2px solid var(--accent)}
.offer .eyebrow.grey{color:var(--muted)}
.offer h3{font-size:28px;font-weight:800}
.offer .desc{font-size:16px;color:var(--text)}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price strong{font-size:44px;font-weight:800;letter-spacing:-0.02em}
.price span{font-size:15px;color:var(--muted)}
.offer ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;font-size:16px;color:var(--text)}
.offer .note{font-size:15px;color:var(--muted)}
.offer .btn{margin-top:auto;width:100%}
.support{margin-top:24px;background:var(--ink);color:#fff;border-radius:20px;padding:32px;display:flex;flex-wrap:wrap;gap:32px;align-items:center}
.support-intro{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:8px}
.support-intro h3{font-size:26px;font-weight:800}
.support-intro p{color:#D5DBE3}
.plan{flex:1 1 220px;min-width:0;background:var(--panel);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:6px}
.plan b{font-size:17px}
.plan .amount{font-size:30px;font-weight:800}
.plan .amount small{font-size:15px;font-weight:400;color:#D5DBE3}
.plan p{font-size:15px;color:#D5DBE3}

/* Étapes */
.steps{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:24px}
.steps li{flex:1 1 220px;min-width:0;display:flex;flex-direction:column;gap:10px}
.num{width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:#8A3F06;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center}
.steps h3{font-size:20px;font-weight:700}
.steps p{font-size:16px;color:var(--text)}

/* FAQ */
.faq{display:flex;flex-wrap:wrap;gap:24px}
.faq div{flex:1 1 460px;min-width:0;border-top:1px solid #C9CFD8;padding-top:20px;display:flex;flex-direction:column;gap:8px}
.faq h3{font-size:19px;font-weight:700}
.faq p{font-size:16px;color:var(--text)}

/* Contact */
.contact{display:flex;flex-wrap:wrap;gap:40px;align-items:center}
.contact-text{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:14px}
.contact-text h2{font-size:clamp(28px,4vw,40px);font-weight:800}
.contact-text p{font-size:18px;color:#D5DBE3}
.contact-box{flex:1 1 320px;min-width:0;background:var(--panel);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:14px}
.contact-box p{font-size:16px;color:#D5DBE3}
.contact-box a.plain{color:#FFC58A}

/* Pied de page */
footer.bottom{background:#0A1422;color:#AEB7C4;font-size:14px}
footer.bottom .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;padding-bottom:24px}
footer.bottom a{color:#AEB7C4}
footer.bottom nav{display:flex;flex-wrap:wrap;gap:16px}

/* Pages légales */
.legal{max-width:760px;margin:0 auto;padding:56px 24px 72px}
.legal h1{font-size:clamp(28px,4vw,38px);font-weight:800;margin-bottom:24px}
.legal h2{font-size:20px;font-weight:700;margin:32px 0 10px}
.legal p,.legal li{font-size:16px;color:var(--text);margin-bottom:10px}
.legal ul{padding-left:20px}
.back{display:inline-block;margin-bottom:24px}

@media (max-width:640px){
  .section{padding:56px 0}
  .hero{padding:48px 0}
  .offer,.support,.card{padding:24px}
}