/* saturateur.com — feuille de style unique (≈6 ko, aucun webfont, aucun JS) */
:root{
  --ink:#26201a;        /* noyer foncé */
  --paper:#fbf9f5;      /* blanc chaud */
  --wood:#8a5a2b;       /* chêne huilé (accent) */
  --wood-d:#6e4520;
  --leaf:#3e5c3a;       /* olive (liens conseils) */
  --line:#e6ddcf;
  --soft:#f3eee4;       /* fond encadrés */
  --max:72rem;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font:400 1.0625rem/1.65 var(--sans);color:var(--ink);background:var(--paper)}
img,svg{max-width:100%;height:auto}
a{color:var(--wood-d);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--wood);outline-offset:2px;border-radius:2px}

/* ---------- header ---------- */
.site-head{border-bottom:1px solid var(--line);background:var(--paper)}
.head-in{max-width:var(--max);margin:0 auto;padding:.7rem 1.25rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);font-family:var(--serif);font-size:1.35rem;font-weight:700;letter-spacing:-.01em}
.logo svg{flex:none}
.nav{margin-left:auto}
.nav ul{list-style:none;display:flex;gap:.25rem;margin:0;padding:0;flex-wrap:wrap}
.nav a{display:block;padding:.5rem .75rem;text-decoration:none;font-size:.95rem;color:var(--ink);border-radius:6px}
.nav a:hover,.nav a[aria-current]{background:var(--soft);color:var(--wood-d)}
@media(max-width:760px){.head-in{justify-content:center}.nav{margin-left:0}}

/* ---------- hero « planches de terrasse » (signature) ---------- */
.hero{border-bottom:1px solid var(--line);
  background:
    repeating-linear-gradient(90deg,transparent 0 138px,rgba(138,90,43,.10) 138px 141px),
    linear-gradient(180deg,#f6f0e4,var(--paper));}
.hero-in{max-width:var(--max);margin:0 auto;padding:3.5rem 1.25rem 3rem}
.eyebrow{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--wood-d);font-weight:600}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.12;letter-spacing:-.015em;margin:.4rem 0 .8rem;max-width:46rem}
.lead{font-size:1.15rem;max-width:44rem;margin:0 0 1.4rem}
.grain{width:120px;height:8px;margin:1.2rem 0 0;color:var(--wood)}

/* ---------- boutons ---------- */
.btn{display:inline-block;padding:.7rem 1.25rem;border-radius:8px;text-decoration:none;font-weight:600;font-size:1rem}
.btn-amz{background:var(--wood);color:#fff}
.btn-amz:hover{background:var(--wood-d);color:#fff}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink);margin-left:.6rem}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-sm{padding:.45rem .9rem;font-size:.9rem}

/* ---------- structure ---------- */
main{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
article{max-width:48rem}
.wide{max-width:none}
h2{font-family:var(--serif);font-size:clamp(1.45rem,3vw,1.9rem);line-height:1.2;margin:2.6rem 0 .8rem;letter-spacing:-.01em}
h3{font-size:1.15rem;margin:1.8rem 0 .5rem}
.breadcrumb{font-size:.85rem;color:#6b6055;margin:1.2rem 0 0}
.breadcrumb a{color:inherit}
.meta-update{font-size:.85rem;color:#6b6055}

/* ---------- tableaux ---------- */
.tbl-wrap{overflow-x:auto;margin:1.2rem 0}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:#fff}
caption{text-align:left;font-weight:600;padding:.4rem 0;font-family:var(--serif)}
th,td{border:1px solid var(--line);padding:.6rem .7rem;text-align:left;vertical-align:top}
thead th{background:var(--soft);font-family:var(--serif)}
tbody tr:nth-child(even){background:#fdfcf9}
.best{background:#f4efe2!important;box-shadow:inset 3px 0 0 var(--wood)}

/* ---------- cartes / grilles ---------- */
.grid{display:grid;gap:1rem;margin:1.4rem 0;padding:0;list-style:none}
.g3{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.card{border:1px solid var(--line);border-radius:10px;padding:1.1rem 1.2rem;background:#fff}
.card h3{margin:.1rem 0 .4rem;font-family:var(--serif)}
.card p{margin:.3rem 0 .6rem;font-size:.95rem}
.card a.more{font-size:.9rem;font-weight:600;color:var(--leaf)}

/* ---------- encadrés ---------- */
.note,.warn,.pick{border-radius:10px;padding:1rem 1.2rem;margin:1.4rem 0;font-size:.97rem}
.note{background:var(--soft);border-left:4px solid var(--leaf)}
.warn{background:#f9efe6;border-left:4px solid #b4691e}
.pick{background:#fff;border:1.5px solid var(--wood)}
.pick strong:first-child{color:var(--wood-d)}
.disclosure{font-size:.8rem;color:#6b6055;border-top:1px dashed var(--line);margin-top:2rem;padding-top:.8rem}

/* ---------- FAQ ---------- */
details{border:1px solid var(--line);border-radius:8px;background:#fff;margin:.6rem 0;padding:0 1rem}
summary{cursor:pointer;font-weight:600;padding:.8rem 0;list-style-position:inside}
details[open] summary{border-bottom:1px solid var(--line)}
details p{margin:.8rem 0}

/* ---------- listes de maillage ---------- */
.linklist{columns:2;column-gap:2rem;padding-left:1.2rem;margin:1rem 0}
@media(max-width:640px){.linklist{columns:1}}
.linklist li{margin:.25rem 0}

/* ---------- pied de page ---------- */
.site-foot{border-top:1px solid var(--line);margin-top:4rem;background:var(--soft)}
.foot-in{max-width:var(--max);margin:0 auto;padding:2.5rem 1.25rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));font-size:.9rem}
.foot-in h2{font-size:1rem;margin:0 0 .6rem}
.foot-in ul{list-style:none;margin:0;padding:0}
.foot-in li{margin:.3rem 0}
.foot-in a{color:var(--ink);text-decoration:none}
.foot-in a:hover{text-decoration:underline}
.foot-legal{border-top:1px solid var(--line);text-align:center;font-size:.8rem;color:#6b6055;padding:1rem}