:root{
  --bg:#F3F6F4; --surface:#FFFFFF; --ink:#14231F; --muted:#4A5A55; --line:#D3DDD9;
  --sapin:#0E6B5A; --sapin-dark:#0A5244; --sapin-soft:#E1EFEA; --amber:#8A5200; --amber-soft:#FBEFD9;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1A17; --surface:#16241F; --ink:#E8F0ED; --muted:#A7B8B2; --line:#2A3B36;
    --sapin:#4FC2A6; --sapin-dark:#3BA88E; --sapin-soft:#163A31; --amber:#F2B95A; --amber-soft:#3A2C12;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1A17; --surface:#16241F; --ink:#E8F0ED; --muted:#A7B8B2; --line:#2A3B36;
  --sapin:#4FC2A6; --sapin-dark:#3BA88E; --sapin-soft:#163A31; --amber:#F2B95A; --amber-soft:#3A2C12;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Public Sans','Helvetica Neue',system-ui,sans-serif;font-size:16px;line-height:1.55}
h1,h2,h3{font-family:'Bricolage Grotesque','Public Sans',sans-serif;margin:0;line-height:1.08;text-wrap:balance}
p{text-wrap:pretty}
a{color:var(--sapin)}
.wrap{max-width:1120px;margin:0 auto;padding:28px 20px 56px}

/* En-tête */
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.brand{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;letter-spacing:.06em;color:var(--sapin);font-size:20px;text-decoration:none}
.top a.tel{font-weight:600;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.hero{padding:36px 0 28px;max-width:760px}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:800;letter-spacing:-.02em}
.hero p{font-size:18px;color:var(--muted);margin:14px 0 0;max-width:62ch}

/* Déroulé */
.steps{list-style:none;margin:0 0 32px;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;counter-reset:s}
.steps li{counter-increment:s;background:var(--sapin-soft);border-radius:14px;padding:16px 18px;display:flex;gap:12px;align-items:flex-start}
.steps li::before{content:counter(s);flex-shrink:0;width:30px;height:30px;border-radius:999px;background:var(--sapin);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
.steps strong{display:block}
.steps span{color:var(--muted);font-size:14px}

/* Simulateur */
.sim{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start}
.controls{flex:1 1 300px;max-width:100%;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:20px}
.controls h2{font-size:22px;font-weight:800}
.results{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:16px}
fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
legend{font-weight:700;font-size:15px;margin-bottom:8px;padding:0}
.seg{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.seg.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.seg label{position:relative;display:flex;flex-direction:column;justify-content:center;min-height:52px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-size:14px;font-weight:600;background:var(--bg)}
.seg label small{font-weight:400;color:var(--muted);font-size:12px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label:has(input:checked){border-color:var(--sapin);background:var(--sapin-soft);box-shadow:inset 0 0 0 1px var(--sapin)}
.seg label:has(input:focus-visible){outline:2px solid var(--sapin);outline-offset:2px}
.range{display:flex;flex-direction:column;gap:4px}
.range .row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;gap:10px}
.range output{font-weight:700;font-variant-numeric:tabular-nums}
.range input[type=range]{width:100%;accent-color:var(--sapin);min-height:32px}
.range input:focus-visible{outline:2px solid var(--sapin);outline-offset:2px}

/* Message principal */
.headline{background:var(--sapin);color:#fff;border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:6px}
.headline .big{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:clamp(30px,4.6vw,46px);line-height:1.05;font-variant-numeric:tabular-nums}
.headline p{margin:0;font-size:16px;opacity:.95}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:14px}
.card h3{font-size:22px;font-weight:800}
.card .sub{font-size:14px;color:var(--muted);margin-top:4px}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.compare div{border-radius:12px;padding:12px;background:var(--bg)}
.compare div.win{background:var(--sapin-soft)}
.compare .l{font-size:13px;color:var(--muted)}
.compare .v{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums}
.compare .old{text-decoration:line-through;text-decoration-thickness:2px;color:var(--muted)}
dl{margin:0;display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);padding-top:12px}
dl div{display:flex;justify-content:space-between;gap:12px;font-size:15px}
dt{color:var(--muted)} dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums;text-align:right}

.plus{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:0;padding:0;list-style:none}
.plus li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:14px;color:var(--muted)}
.plus strong{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}

.cta{background:var(--amber-soft);border-radius:18px;padding:22px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:8px}
.cta h2{font-size:24px;font-weight:800}
.cta p{margin:6px 0 0;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid var(--sapin)}
.btn.primary{background:var(--sapin);color:#fff}
.btn.primary:hover{background:var(--sapin-dark);border-color:var(--sapin-dark)}
.btn.ghost{color:var(--sapin);background:transparent}
.btn:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.foot{font-size:12px;color:var(--muted);margin-top:20px;max-width:90ch}