:root{
  --ground:#FBF7F0; --surface:#FFFFFF; --stone:#F1E6D2; --line:#E4D6BE;
  --ink:#2A241C; --muted:#6E6254;
  --ochre:#B7802A; --ochre-soft:#E9C98A; --rhone:#1F4E5F; --rhone-soft:#D6E6EA;
  --on-accent:#FFFFFF; --ok:#2F7A4F;
  --display:"Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body:"Figtree", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#1A1712; --surface:#231F19; --stone:#2C261E; --line:#3A3228;
    --ink:#F2EADC; --muted:#B9AC98;
    --ochre:#E0B25A; --ochre-soft:#5A4524; --rhone:#8FC0CF; --rhone-soft:#1E3139;
    --on-accent:#1A1712; --ok:#7CC79B;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#1A1712; --surface:#231F19; --stone:#2C261E; --line:#3A3228;
  --ink:#F2EADC; --muted:#B9AC98;
  --ochre:#E0B25A; --ochre-soft:#5A4524; --rhone:#8FC0CF; --rhone-soft:#1E3139;
  --on-accent:#1A1712; --ok:#7CC79B;
}
*{box-sizing:border-box}
body{background:var(--ground);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;padding-inline:20px}
.wrap{max-width:1120px;margin-inline:auto}
h1,h2,h3{font-family:var(--display);line-height:1.1;text-wrap:balance;margin:0}
h2{font-size:clamp(28px,4vw,40px);font-weight:700;letter-spacing:-.01em}
h3{font-size:21px;font-weight:700}
p{margin:0}
a{color:var(--rhone)}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ochre)}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 16px var(--body);padding:13px 22px;border-radius:999px;border:0;cursor:pointer;text-decoration:none;transition:transform .15s ease, background .15s ease}
.btn-primary{background:var(--ochre);color:var(--on-accent)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.chip:focus-visible{outline:3px solid var(--rhone);outline-offset:2px}

/* Header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--ground) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);margin-inline:-20px;padding-inline:20px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:36px;height:36px;flex:none}
.brand-name{font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:-.01em;line-height:1}
.brand-name small{display:block;font:500 12px var(--body);color:var(--muted);letter-spacing:.04em;margin-top:3px}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--ochre)}
@media (max-width:820px){.nav-links a:not(.btn){display:none}}

/* Hero */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-block:64px 56px}
.hero h1{font-size:clamp(38px,6vw,64px);font-weight:800;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--ochre)}
.hero h1 .eau{color:var(--rhone)}
.hero .lead{font-size:19px;color:var(--muted);max-width:34em;margin-top:20px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:15px;color:var(--muted)}
.hero .facts span{display:flex;align-items:center;gap:8px}
.hero .facts svg{color:var(--ok)}
.hero-art{background:var(--stone);border-radius:28px;padding:28px;position:relative;overflow:hidden}
.hero-art svg{width:100%;height:auto;display:block}
.hero-art figcaption{font-size:13px;color:var(--muted);margin-top:12px}
@media (max-width:860px){.hero{grid-template-columns:1fr;gap:32px;padding-block:40px}}

/* Sections */
section.block{padding-block:72px;border-top:1px solid var(--line)}
.head{display:flex;flex-direction:column;gap:10px;max-width:42em;margin-bottom:36px}
.head p{color:var(--muted)}

.services{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:12px}
.service .ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--rhone-soft);color:var(--rhone)}
.service.warm .ico{background:var(--ochre-soft);color:var(--ochre)}
.service p{color:var(--muted)}
.service .spec{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.service .spec b{color:var(--ink);font-weight:600}
@media (max-width:720px){.services{grid-template-columns:1fr}}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{counter-increment:s;display:flex;flex-direction:column;gap:8px}
.steps li::before{content:counter(s);font-family:var(--display);font-weight:800;font-size:22px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--ochre);color:var(--on-accent);margin-bottom:6px}
.steps p{color:var(--muted);font-size:16px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

.zone{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:15px;padding:7px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.chip.lyon{background:var(--rhone-soft);border-color:transparent;color:var(--rhone);font-weight:600}
.zone .note{font-size:15px;color:var(--muted);margin-top:16px}
@media (max-width:820px){.zone{grid-template-columns:1fr;gap:24px}}

.promises{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.promise{display:flex;flex-direction:column;gap:8px}
.promise h3{font-size:19px;display:flex;align-items:center;gap:10px}
.promise h3 svg{color:var(--ochre);flex:none}
.promise p{color:var(--muted);font-size:16px}
@media (max-width:820px){.promises{grid-template-columns:1fr}}


.stock{background:var(--stone);border-radius:32px;padding:clamp(28px,5vw,52px);display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;margin-block:8px 72px}
.stock .head{margin-bottom:0}
.stock-list{display:grid;gap:14px;list-style:none;margin:0;padding:0}
.stock-list li{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 20px;display:grid;grid-template-columns:44px 1fr;gap:4px 16px;align-items:start}
.stock-list .ico{grid-row:span 2;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--ochre-soft);color:var(--ochre)}
.stock-list h3{font-size:18px}
.stock-list p{color:var(--muted);font-size:15px}
.stock-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ok);margin-top:6px}
.stock-tag::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 20%,transparent)}
@media (max-width:860px){.stock{grid-template-columns:1fr;gap:28px}}

/* Devis */
.devis{background:var(--rhone);color:#F4F1EA;border-radius:32px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;margin-block:72px}
:root[data-theme="dark"] .devis{background:var(--rhone-soft);color:var(--ink)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .devis{background:var(--rhone-soft);color:var(--ink)}}
.devis h2{color:inherit}
.devis .intro p{opacity:.85;margin-top:14px}
.devis .intro ul{margin:22px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;font-size:16px}
.devis .intro li{display:flex;gap:10px}
.devis .intro li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ochre-soft);margin-top:9px;flex:none}
form{background:var(--surface);color:var(--ink);border-radius:22px;padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label,.legend{font-size:14px;font-weight:600}
input,select,textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--ground);border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;width:100%}
textarea{min-height:92px;resize:vertical}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg label{font-weight:500;display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;border:1.5px solid var(--line);cursor:pointer;background:var(--ground)}
.seg input{width:auto;accent-color:var(--ochre)}
.seg label:has(input:checked){border-color:var(--ochre);background:color-mix(in srgb,var(--ochre) 12%,var(--ground))}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.form-foot small{color:var(--muted);font-size:13px;max-width:30em}
.err{color:#B3261E;font-size:13px}
.done{grid-column:1/-1;background:color-mix(in srgb,var(--ok) 12%,var(--surface));border:1px solid color-mix(in srgb,var(--ok) 40%,transparent);border-radius:14px;padding:16px 18px;font-size:15px}
@media (max-width:900px){.devis{grid-template-columns:1fr;gap:28px}}
@media (max-width:560px){form{grid-template-columns:1fr;padding:20px}}

footer{border-top:1px solid var(--line);padding-block:36px 48px;font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer b{color:var(--ink)}
.todo{background:var(--ochre-soft);color:var(--ink);padding:1px 6px;border-radius:6px;font-size:13px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0}
[hidden]{display:none!important}
img{max-width:100%}

/* Pages intérieures */
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{color:var(--on-accent)}
.nav-links{gap:22px}
.crumbs{font-size:14px;color:var(--muted);padding-top:28px}
.crumbs a{color:var(--muted)}
.page-hero{padding-block:24px 40px;max-width:46em}
.page-hero h1{font-size:clamp(34px,5vw,54px);font-weight:800;letter-spacing:-.02em;margin-top:12px}
.page-hero .lead{font-size:19px;color:var(--muted);margin-top:18px}
.page-hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.page-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;padding-block:16px 64px;border-top:1px solid var(--line)}
.prose{max-width:44em}
.prose h2{font-size:clamp(24px,3vw,30px);margin:44px 0 12px}
.prose h3{font-size:19px;margin:26px 0 8px}
.prose p{margin:0 0 14px}
.prose ul{margin:0 0 16px;padding-left:1.2em}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--ochre)}
.prose table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.prose th{font-weight:600;background:var(--stone)}
.table-wrap{overflow-x:auto;margin:6px 0 18px;border:1px solid var(--line);border-radius:14px}
.callout{background:var(--rhone-soft);color:var(--ink);border-radius:16px;padding:16px 20px;margin:18px 0;font-size:16px}
.aside{position:sticky;top:calc(env(safe-area-inset-top,0px) + 96px);display:flex;flex-direction:column;gap:16px;margin-top:44px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px}
.aside-card h2{font-size:19px;margin-bottom:8px}
.aside-card p{font-size:15px;color:var(--muted);margin-bottom:14px}
.aside-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:15px}
.aside-card a{text-decoration:none;font-weight:500}
.aside-card a:hover{text-decoration:underline}
.aside-card .btn{width:100%;justify-content:center}
.brands{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.brand-pill{font-size:14px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--stone);color:var(--ink)}
.more{display:inline-flex;gap:6px;align-items:center;font-weight:600;text-decoration:none;margin-top:4px}
.more:hover{text-decoration:underline}
.faq{display:flex;flex-direction:column;gap:12px;max-width:52em}
.faq-group{margin-top:36px}
.faq-group h2{font-size:clamp(22px,3vw,28px);margin-bottom:14px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;font-weight:600;font-size:17px;padding:18px 30px 18px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font:700 24px var(--display);color:var(--ochre)}
.faq details[open] summary::after{content:"–"}
.faq summary:focus-visible{outline:3px solid var(--rhone);outline-offset:4px;border-radius:6px}
.faq .answer{padding:0 0 18px;color:var(--muted)}
.faq .answer p{margin:0 0 10px}
.faq .answer a{font-weight:500}
.cta-band{background:var(--rhone);color:#F4F1EA;border-radius:28px;padding:clamp(26px,4vw,44px);display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;margin-block:8px 64px}
.cta-band h2{font-size:clamp(22px,3vw,30px);color:inherit}
.cta-band p{opacity:.85;margin-top:6px}
:root[data-theme="dark"] .cta-band{background:var(--rhone-soft);color:var(--ink)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .cta-band{background:var(--rhone-soft);color:var(--ink)}}
@media (max-width:900px){.page-body{grid-template-columns:1fr;gap:8px}.aside{position:static;margin-top:8px}}
@media (max-width:980px){.nav-links a.opt{display:none}}