:root{
  --papier:#f3ece0;
  --papier-2:#e9dfcd;
  --encre:#2f2a22;
  --encre-doux:#5f5646;
  --bois:#6b5334;
  --mousse:#4b5f3c;
  --mousse-clair:#6d8455;
  --terre:#b4623c;
  --trait:#c8b99f;
  --carte:#fbf7ee;
  --ombre:rgba(60,45,25,.10);
  --serif:"Iowan Old Style",Palatino,"Palatino Linotype","Book Antiqua",Georgia,serif;
  --sans:"Avenir Next",Avenir,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --papier:#1e1b16;
    --papier-2:#26221b;
    --encre:#eae1d1;
    --encre-doux:#b7ab97;
    --bois:#c2a274;
    --mousse:#9ab27f;
    --mousse-clair:#b3c79b;
    --terre:#e0906a;
    --trait:#4a4237;
    --carte:#26221b;
    --ombre:rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--papier);
  color:var(--encre);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.72;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.22;color:var(--bois)}
h1{font-size:2.15rem;margin:.2em 0 .45em}
h2{font-size:1.5rem;margin:2.2em 0 .6em}
h3{font-size:1.18rem;margin:1.8em 0 .4em;color:var(--mousse)}
p,li{color:var(--encre)}
a{color:var(--terre);text-underline-offset:.18em;text-decoration-thickness:.06em}
a:hover{color:var(--bois)}
img{max-width:100%;height:auto}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:var(--papier-2);padding:.1em .35em;border-radius:4px}

/* ---- ossature ---- */
.bandeau{border-bottom:2px dotted var(--trait);background:var(--papier-2)}
.bandeau-in{max-width:64rem;margin:0 auto;padding:1.5rem 1.25rem 1.1rem}
.marque{display:inline-block;text-decoration:none}
.marque .nom{font-family:var(--serif);font-size:1.62rem;color:var(--bois);display:block;letter-spacing:.01em}
.marque .ligne{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mousse);display:block;margin-top:.15rem}
nav.menu{margin-top:1.05rem}
nav.menu ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem .35rem}
nav.menu a{
  display:block;text-decoration:none;font-size:.9rem;
  padding:.34rem .72rem;border-radius:999px;color:var(--encre-doux);
  border:1px solid transparent;
}
nav.menu a:hover{background:var(--carte);border-color:var(--trait);color:var(--bois)}
nav.menu a[aria-current="page"]{background:var(--mousse);border-color:var(--mousse);color:var(--papier)}
@media (prefers-color-scheme:dark){nav.menu a[aria-current="page"]{color:#1e1b16}}

main{padding:2.2rem 0 3rem}
.prose{
  display:grid;
  grid-template-columns:1fr min(40rem,100% - 2.5rem) 1fr;
}
.prose > *{grid-column:2}
.prose > .full{grid-column:1 / -1;width:min(62rem,100% - 2.5rem);margin-inline:auto}

.chapeau{font-size:1.1rem;color:var(--encre-doux);font-family:var(--serif);font-style:italic}
.fil{font-size:.83rem;color:var(--encre-doux);letter-spacing:.03em;margin:0 0 .6rem}
.fil a{color:var(--encre-doux)}

hr.pointille{border:0;border-top:2px dotted var(--trait);margin:2.6rem 0}

/* ---- blocs ---- */
.carte{
  background:var(--carte);
  border:1px solid var(--trait);
  border-radius:14px;
  padding:1.1rem 1.3rem;
  box-shadow:0 1px 0 var(--ombre);
  margin:1.6rem 0;
}
.carte h2,.carte h3{margin-top:.2em}
.fiche{list-style:none;margin:1.4rem 0;padding:0;display:grid;gap:.45rem;
  grid-template-columns:repeat(auto-fit,minmax(11rem,1fr))}
.fiche li{
  background:var(--papier-2);border-radius:12px;padding:.7rem .9rem;
  font-size:.9rem;line-height:1.45;
}
.fiche b{display:block;font-family:var(--serif);color:var(--mousse);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.09em;font-weight:600}
.materiel{padding-left:1.15rem}
.materiel li{margin:.3rem 0}
.shoplist{list-style:none;padding:0;margin:.8rem 0 0}
.shoplist li{margin:.5rem 0;font-size:.92rem;line-height:1.5}
.shoplist .quoi{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mousse)}
a.shoplink{word-break:break-word}
.etapes{counter-reset:et;list-style:none;padding:0;margin:1.2rem 0}
.etapes li{counter-increment:et;position:relative;padding-left:2.4rem;margin:.85rem 0}
.etapes li::before{
  content:counter(et);position:absolute;left:0;top:.05em;
  width:1.75rem;height:1.75rem;border-radius:50%;
  background:var(--mousse);color:var(--papier);
  font-family:var(--serif);font-size:.92rem;
  display:flex;align-items:center;justify-content:center;
}
@media (prefers-color-scheme:dark){.etapes li::before{color:#1e1b16}}
.note{border-left:4px solid var(--terre);padding:.15rem 0 .15rem 1rem;margin:1.5rem 0;color:var(--encre-doux)}

/* ---- grilles de liens ---- */
.grille{list-style:none;padding:0;margin:1.4rem 0;display:grid;gap:.8rem;
  grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.grille li{margin:0}
.grille a{
  display:block;text-decoration:none;background:var(--carte);
  border:1px solid var(--trait);border-radius:14px;padding:.9rem 1.05rem;
  color:var(--encre);height:100%;
}
.grille a:hover{border-color:var(--mousse)}
.grille a strong{display:block;font-family:var(--serif);font-size:1.06rem;color:var(--bois);font-weight:600;margin-bottom:.2rem}
.grille a span{display:block;font-size:.88rem;color:var(--encre-doux);line-height:1.5}

/* ---- video ---- */
figure.video{margin:2rem auto;padding:0}
.vplay{
  display:block;width:100%;padding:0;border:1px solid var(--trait);
  background:var(--papier-2);border-radius:16px;overflow:hidden;
  cursor:pointer;position:relative;text-align:left;font:inherit;color:inherit;
}
.vplay:hover{border-color:var(--terre)}
.vplay .vthumb{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 50%}
.vicon{
  position:absolute;left:50%;top:calc(50% - 1.1rem);transform:translate(-50%,-50%);
  width:4.2rem;height:3rem;border-radius:12px;background:rgba(180,98,60,.92);
}
.vicon::after{
  content:"";position:absolute;left:53%;top:50%;transform:translate(-50%,-50%);
  border-style:solid;border-width:.62rem 0 .62rem 1.05rem;
  border-color:transparent transparent transparent #fff;
}
.vname{
  display:block;padding:.7rem 1rem;font-family:var(--serif);font-size:1.02rem;color:var(--bois);
  border-top:1px dotted var(--trait);
}
figure.video figcaption{font-size:.92rem;color:var(--encre-doux);margin:.6rem .2rem 0;line-height:1.6}
.vframe{width:100%;aspect-ratio:16/9;border:0;border-radius:16px;display:block}
.vfallback{margin:.5rem 0 0;font-size:.92rem}

/* ---- calculateur ---- */
.calc{background:var(--carte);border:1px solid var(--trait);border-radius:16px;padding:1.2rem 1.3rem;margin:1.6rem 0}
.calc label{display:block;font-size:.86rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mousse);margin:.9rem 0 .25rem;font-family:var(--serif)}
.calc select,.calc input{
  width:100%;padding:.55rem .7rem;font:inherit;font-size:1rem;
  border:1px solid var(--trait);border-radius:10px;
  background:var(--papier);color:var(--encre);
}
.calc .duo{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr))}
#resultat{margin-top:1.3rem;border-top:2px dotted var(--trait);padding-top:1rem}
#resultat .gros{font-family:var(--serif);font-size:1.9rem;color:var(--terre);line-height:1.2;display:block}
#resultat dl{display:grid;grid-template-columns:auto 1fr;gap:.3rem .9rem;margin:.9rem 0 0;font-size:.94rem}
#resultat dt{color:var(--encre-doux)}
#resultat dd{margin:0;font-variant-numeric:tabular-nums}

/* ---- pied ---- */
footer{border-top:2px dotted var(--trait);background:var(--papier-2);margin-top:3rem}
.pied{max-width:64rem;margin:0 auto;padding:2rem 1.25rem 2.6rem;font-size:.9rem;color:var(--encre-doux)}
.pied h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--mousse);margin:0 0 .5rem}
.pied-cols{display:grid;gap:1.6rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
.pied ul{list-style:none;margin:0;padding:0}
.pied li{margin:.25rem 0}
.pied a{color:var(--encre-doux);text-decoration:none}
.pied a:hover{color:var(--terre);text-decoration:underline}
.pied-bas{margin-top:1.8rem;padding-top:1rem;border-top:1px dotted var(--trait);font-size:.84rem}
table.tab{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.94rem}
table.tab th,table.tab td{text-align:left;padding:.5rem .6rem;border-bottom:1px dotted var(--trait);vertical-align:top}
table.tab th{font-family:var(--serif);color:var(--mousse);font-weight:600}
.tabwrap{overflow-x:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;background:var(--carte);padding:.6rem 1rem;border-radius:8px;z-index:9}