/* Zéro Poison — feuille de style
   Mise en page : bandeau de navigation à gros boutons, rubriques en sections, catalogue en grille de fiches "étiquette d'atelier" */
:root{
  --bg:#eef0ec; --paper:#fbfbf8; --ink:#17201c; --muted:#56615b; --line:#d3d8d1;
  --green:#1f5a45; --greensoft:#dbe9e1; --ochre:#c9861a; --ochresoft:#f6e8cc; --stop:#a63a2b; --stopsoft:#f6dfda;
  --display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#111613; --paper:#19201c; --ink:#e8ede9; --muted:#a1aca5; --line:#2e3833;
  --green:#7cc7a3; --greensoft:#1c3328; --ochre:#e8b257; --ochresoft:#3a2c13; --stop:#f08a78; --stopsoft:#3a1d18; color-scheme:dark}}

*{box-sizing:border-box}
html{scroll-padding-top:150px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--body);
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0 32px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1080px;margin:0 auto}
h1,h2,h3,.h2,.h3{font-family:var(--display);line-height:1.02;margin:0;text-wrap:balance;letter-spacing:.01em}
h1{font-size:clamp(2.6rem,9vw,5rem);font-weight:900;text-transform:uppercase}
h2,.h2{font-size:clamp(1.9rem,5vw,2.6rem);font-weight:900;text-transform:uppercase}
h3,.h3{font-size:1.45rem;font-weight:700;text-transform:none}
p{margin:0;max-width:65ch}
a{color:var(--green)}
.mono{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em}
.muted{color:var(--muted)}
:focus-visible{outline:3px solid var(--ochre);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:6px;z-index:20}
.skip:focus{left:16px}

/* En-tête */
header.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:2px solid var(--ink);padding-block:10px;margin-inline:calc(-1 * max(16px,env(safe-area-inset-left,0px)));padding-inline:max(16px,env(safe-area-inset-left,0px))}
.toprow{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo b{font:900 1.9rem/1 var(--display);text-transform:uppercase;letter-spacing:.02em}
.logo .seal{width:38px;height:38px;border-radius:50%;border:3px solid var(--ink);display:grid;place-items:center;position:relative;flex:none}
.logo .seal::after{content:"";position:absolute;width:44px;height:3px;background:var(--stop);transform:rotate(-45deg)}
.logo .seal span{font:900 .95rem var(--display)}
.devisbtn{font:700 1rem var(--body);border:2px solid var(--ink);background:var(--ochre);color:#1b1408;border-radius:10px;padding:10px 14px;text-decoration:none}
nav.main{display:flex;gap:8px;overflow-x:auto;padding-top:10px;scrollbar-width:none}
nav.main a{flex:1 0 auto;text-align:center;text-decoration:none;font:700 1rem var(--body);padding:13px 16px;border:2px solid var(--ink);border-radius:10px;color:var(--ink);background:var(--paper);white-space:nowrap}
nav.main a[aria-current="page"]{background:var(--ink);color:var(--bg)}

main{padding-top:28px;display:flex;flex-direction:column;gap:36px}
section{display:flex;flex-direction:column;gap:16px}
.flash{background:var(--greensoft);border-left:5px solid var(--green);padding:12px 16px;border-radius:0 8px 8px 0;font-weight:600;max-width:none}
.flash.error{background:var(--stopsoft);border-color:var(--stop)}

/* Accueil */
.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center;padding-block:12px 8px}
.hero > *{min-width:0}
.hero h1 em{font-style:normal;color:var(--green)}
.lead{font-size:1.15rem;margin-top:14px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.btn{display:inline-block;text-decoration:none;font:700 1.05rem var(--body);padding:14px 20px;border-radius:10px;border:2px solid var(--ink);cursor:pointer;background:var(--paper);color:var(--ink)}
.btn.primary{background:var(--green);border-color:var(--green);color:var(--paper)}
.label{background:var(--paper);border:2px solid var(--ink);border-radius:6px;padding:18px;display:flex;flex-direction:column;gap:10px;box-shadow:6px 6px 0 var(--ink)}
.label .row{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:8px}
.label .row:last-child{border-bottom:0;padding-bottom:0}
.label .k{color:var(--muted)}
.label .v{font-weight:700;text-align:right}
.label .v.zero{font:900 1.6rem/1 var(--display);color:var(--green)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fact{border-top:4px solid var(--green);padding-top:12px;display:flex;flex-direction:column;gap:6px}

/* Catalogue */
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{font:600 .95rem var(--body);padding:10px 14px;border-radius:99px;border:2px solid var(--ink);background:var(--paper);color:var(--ink);text-decoration:none}
.chip[aria-current="page"]{background:var(--ink);color:var(--bg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.prod{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.prod h3 a{color:var(--ink);text-decoration:none}
.prod h3 a:hover{text-decoration:underline}
.prod .ref{display:flex;justify-content:space-between;gap:8px;align-items:center}
.tag{font:700 .72rem var(--body);text-transform:uppercase;letter-spacing:.06em;padding:4px 8px;border-radius:99px;background:var(--ochresoft);color:var(--ochre);white-space:nowrap}
.prod ul,.pinfo ul{margin:0;padding-left:1.1em}
.prod form{margin-top:auto}
.price{font-weight:700;color:var(--muted);font-size:.92rem}
.price.big{font-size:1.2rem;color:var(--ink)}
.add{width:100%;font:700 .98rem var(--body);padding:12px;border-radius:8px;border:2px solid var(--green);background:transparent;color:var(--green);cursor:pointer}
.add.on{background:var(--green);color:var(--paper)}
.note{background:var(--ochresoft);border-left:5px solid var(--ochre);padding:14px 16px;border-radius:0 8px 8px 0;max-width:none}

/* Fiche produit */
.crumbs{color:var(--muted)}
.product{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.product > *{min-width:0}
.placeholder{aspect-ratio:4/3;max-width:100%;border:2px dashed var(--line);border-radius:8px;display:grid;place-content:center;gap:6px;text-align:center;color:var(--muted);background:var(--paper)}
.pinfo{display:flex;flex-direction:column;gap:14px}
.safety-box{border-top:2px solid var(--ink);padding-top:14px;display:flex;flex-direction:column;gap:8px}

/* Pros */
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.use{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:18px;display:flex;flex-direction:column;gap:10px}
.use.link{text-decoration:none;color:inherit}
.use.link:hover{border-color:var(--ink)}
.use ul{margin:0;padding-left:1.1em}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:0;margin:0}
.steps li{list-style:none;counter-increment:s;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:6px}
.steps li::before{content:counter(s);font:900 2.2rem/1 var(--display);color:var(--green)}

/* Conseils */
.advice{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.advice article{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:18px;display:flex;flex-direction:column;gap:8px}

/* Devis */
.list{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:6px 16px}
.list .pad{padding:12px 0}
.list .item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.list .item:last-child{border-bottom:0}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:40px;height:40px;border-radius:8px;border:2px solid var(--ink);background:var(--paper);color:var(--ink);font:700 1.1rem var(--body);cursor:pointer}
.qty span{min-width:2ch;text-align:center;font-variant-numeric:tabular-nums;font-weight:700}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.formgrid .full{grid-column:1/-1}
label.f{display:flex;flex-direction:column;gap:6px;font-weight:600}
input,select,textarea{font:16px var(--body);padding:12px;border:2px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);width:100%}
textarea{min-height:120px;resize:vertical}
[aria-invalid="true"]{border-color:var(--stop)}
.err{color:var(--stop);font-weight:600;font-size:.9rem}
.check{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}
.check input{width:22px;height:22px;flex:none;margin-top:2px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contactline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.contactline code{font:600 1rem var(--mono);background:var(--paper);border:1px solid var(--line);padding:6px 10px;border-radius:6px;user-select:all}
.thanks{padding-block:24px}

/* Pages légales */
.legal{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:12px}
.legal .h3{margin-top:8px}
.todo{background:var(--ochresoft);padding:0 4px;border-radius:3px}

/* Pied de page */
footer{margin-top:48px;border-top:2px solid var(--ink);padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.92rem}
footer nav{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-start}
footer .credit{width:100%;font-size:.82rem}

@media (max-width:820px){
  .hero,.facts,.uses,.advice,.product{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .formgrid{grid-template-columns:1fr}
  html{scroll-padding-top:170px}
}
@media (prefers-reduced-motion:no-preference){.btn,.chip,.add{transition:background .15s,color .15s}}

/* Paiement en ligne */
.paybox{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--greensoft);border:2px solid var(--green);border-radius:8px;padding:18px}
.paybox > div{min-width:0;display:flex;flex-direction:column;gap:6px}

/* Fiche technique (page produit) */
.pimg img{background:#fff;border-radius:10px;border:2px solid var(--line)}
.card img{background:#fff}
.specs{margin:18px 0}
.specs table{width:100%;border-collapse:collapse;margin:8px 0 12px;background:var(--paper);border:2px solid var(--ink);border-radius:8px;overflow:hidden}
.specs th,.specs td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{width:42%;font-weight:600;color:var(--muted)}
.specs tr:last-child th,.specs tr:last-child td{border-bottom:0}