/* BATI NRJ — feuille de style unique. Tokens d'abord, composants ensuite. */

:root{
  color-scheme:light;
  --ground:#E8ECE6;
  --panel:#F4F7F2;
  --panel-2:#DEE6DB;
  --ink:#131A14;
  --ink-2:#3C4A3E;
  --muted:#5C6B5E;
  --line:#C7D1C5;
  --line-soft:#D9E0D6;
  --accent:#1D5E4A;
  --accent-ink:#F4F7F2;
  --heat:#A8460F;
  --lv0:#DEE6DB;
  --lv1:#8AB9A4;
  --lv2:#4A8D74;
  --lv3:#1D5E4A;
  --lv1-ink:#0F130F;
  --lv2-ink:#F4F7F2;
  --lv3-ink:#F4F7F2;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#0F130F; --panel:#171D17; --panel-2:#212A22;
    --ink:#E4EAE2; --ink-2:#BCC8BB; --muted:#93A393;
    --line:#2C362D; --line-soft:#232C24;
    --accent:#63C4A0; --accent-ink:#0F130F; --heat:#EE9159;
    --lv0:#1E261F; --lv1:#2E5C4C; --lv2:#47937A; --lv3:#7FD3B2;
    --lv1-ink:#E4EAE2; --lv2-ink:#0F130F; --lv3-ink:#0F130F;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#0F130F; --panel:#171D17; --panel-2:#212A22;
  --ink:#E4EAE2; --ink-2:#BCC8BB; --muted:#93A393;
  --line:#2C362D; --line-soft:#232C24;
  --accent:#63C4A0; --accent-ink:#0F130F; --heat:#EE9159;
  --lv0:#1E261F; --lv1:#2E5C4C; --lv2:#47937A; --lv3:#7FD3B2;
  --lv1-ink:#E4EAE2; --lv2-ink:#0F130F; --lv3-ink:#0F130F;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:"Public Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
img{max-width:100%}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--panel);padding:8px 14px;z-index:20}

/* ---------- chrome ---------- */
.masthead{border-bottom:1px solid var(--line);background:var(--ground);position:sticky;top:0;z-index:10}
.masthead .inner{
  max-width:1120px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
}
.brand{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-weight:600;font-size:13px;
  letter-spacing:.16em;text-decoration:none;color:var(--ink);white-space:nowrap;
}
.brand span{color:var(--heat)}
nav.main{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}
nav.main a{
  font-size:.88rem;text-decoration:none;color:var(--muted);
  padding-bottom:2px;border-bottom:1px solid transparent;
}
nav.main a:hover{color:var(--ink)}
nav.main a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--heat)}

.page{max-width:1120px;margin:0 auto;padding:0 24px 110px}
.narrow{max-width:none}
main p,main li{max-width:68ch}
.tl li,.card p,.card h3,.meta dd,.mxlegend span,main td,main th,.levier{max-width:none}

/* ---------- typography ---------- */
h1{
  font-family:"Newsreader",Georgia,serif;font-weight:400;
  font-size:clamp(2.1rem,5vw,3.3rem);line-height:1.06;letter-spacing:-.02em;
  margin:0 0 16px;max-width:20ch;text-wrap:balance;
}
h1 em{font-style:italic;color:var(--accent)}
h2{
  font-family:"Newsreader",Georgia,serif;font-weight:500;
  font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.16;margin:44px 0 12px;
  letter-spacing:-.01em;text-wrap:balance;
}
h3{font-size:1.02rem;font-weight:600;margin:28px 0 8px}
h4{font-size:.94rem;font-weight:600;margin:20px 0 6px;color:var(--ink-2)}
.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 16px;
}
.deck{font-size:1.08rem;color:var(--muted);max-width:60ch;margin:0 0 8px}
.deck strong{color:var(--ink);font-weight:500}
hr{border:0;border-top:1px solid var(--line);margin:36px 0}
blockquote{
  margin:26px 0;padding:2px 0 2px 20px;border-left:2px solid var(--heat);
  font-family:"Newsreader",Georgia,serif;font-size:1.2rem;font-style:italic;
  line-height:1.4;color:var(--ink-2);max-width:40ch;
}
code{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:.86em;
  background:var(--panel-2);padding:1px 5px;
}
main ul,main ol{padding-left:1.15em}
main li{margin-bottom:5px}

/* tables inside content */
.tablewrap{overflow-x:auto;margin:22px 0}
main table{border-collapse:collapse;font-size:.92rem;min-width:100%}
main th,main td{text-align:left;padding:9px 16px 9px 0;border-bottom:1px solid var(--line-soft);vertical-align:top}
main th{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600;
  border-bottom-color:var(--line);white-space:nowrap;
}

/* markers */
.mark{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:9.5px;
  letter-spacing:.09em;text-transform:uppercase;padding:2px 6px;
  border:1px solid currentColor;white-space:nowrap;vertical-align:1px;
}
.mark-appr{color:var(--muted)}
.mark-src{color:var(--heat)}

/* ---------- hero ---------- */
.hero{padding:74px 0 0;border-bottom:1px solid var(--line);margin-bottom:8px}
.hero .deck{margin-bottom:30px}
.hero-body{max-width:62ch;color:var(--ink-2);padding-bottom:44px}

/* ---------- cards ---------- */
.grid{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin:26px 0}
.grid-2{grid-template-columns:1fr}
@media(min-width:700px){.grid-2{grid-template-columns:repeat(2,1fr)}}
.grid-3{grid-template-columns:1fr}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.grid-4{grid-template-columns:1fr}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{
  background:var(--ground);padding:20px;display:flex;flex-direction:column;gap:8px;
  text-decoration:none;color:inherit;transition:background .12s ease;
}
a.card:hover{background:var(--panel)}
.card .code{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;
  font-weight:600;letter-spacing:.11em;color:var(--accent);
}
.card h3{margin:0;font-size:1.05rem;line-height:1.25;font-weight:600}
.card p{margin:0;font-size:.9rem;color:var(--muted);max-width:none}
.card .foot{
  margin-top:auto;padding-top:10px;font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
}

/* ---------- meta block ---------- */
.meta{
  display:grid;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin:26px 0;font-size:.92rem;
}
.meta div{
  display:grid;grid-template-columns:1fr;gap:2px;padding:12px 0;
  border-bottom:1px solid var(--line-soft);
}
.meta div:last-child{border-bottom:0}
@media(min-width:600px){.meta div{grid-template-columns:150px 1fr;gap:20px;align-items:baseline}}
.meta dt{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
}
.meta dd{margin:0}

/* ---------- bandeau familles (accueil) ---------- */
h3.axis{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  margin:30px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line);
}
.famstrip{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
@media(min-width:560px){.famstrip{grid-template-columns:repeat(2,1fr)}}
@media(min-width:860px){.famstrip{grid-template-columns:repeat(4,1fr)}}
.famstrip .fam{
  background:var(--ground);padding:12px 14px;display:grid;gap:2px;
  text-decoration:none;color:inherit;transition:background .12s ease;
}
.famstrip .fam:hover{background:var(--panel)}
.famstrip .code{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;font-weight:600;
  letter-spacing:.12em;color:var(--accent);
}
.famstrip b{font-weight:600;font-size:.92rem;line-height:1.2}
.famstrip .fam>span:last-child{color:var(--muted);font-size:.82rem;line-height:1.35}

/* ---------- matrix ---------- */
.mxwrap{overflow-x:auto;margin:26px 0 0;padding-bottom:6px}
table.mx{border-collapse:separate;border-spacing:2px;min-width:660px;font-size:.85rem}
table.mx th{padding:0;font-weight:600}
table.mx thead th{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10px;letter-spacing:.09em;
  color:var(--muted);text-align:center;width:62px;padding:0 0 8px;border:0;text-transform:none;
}
table.mx tbody th{
  text-align:left;padding:0 16px 0 0;font-size:.86rem;font-weight:500;
  white-space:nowrap;color:var(--ink);border:0;text-transform:none;letter-spacing:0;font-family:inherit;
}
table.mx tbody th a{color:inherit;text-decoration:none;border-bottom:1px solid var(--line)}
table.mx tbody th a:hover{border-bottom-color:var(--accent);color:var(--accent)}
td.cell{
  width:62px;height:34px;text-align:center;vertical-align:middle;padding:0;border:0;
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.05em;
}
td.cell[data-lv="0"]{background:var(--lv0);color:var(--muted)}
td.cell[data-lv="1"]{background:var(--lv1);color:var(--lv1-ink)}
td.cell[data-lv="2"]{background:var(--lv2);color:var(--lv2-ink)}
td.cell[data-lv="3"]{background:var(--lv3);color:var(--lv3-ink)}
.mxlegend{display:flex;gap:20px;flex-wrap:wrap;margin-top:16px;font-size:.83rem;color:var(--muted);align-items:center}
.mxlegend span{display:inline-flex;align-items:center;gap:7px}
.sw{width:22px;height:12px;display:inline-block}
.sw[data-lv="0"]{background:var(--lv0)}
.sw[data-lv="1"]{background:var(--lv1)}
.sw[data-lv="2"]{background:var(--lv2)}
.sw[data-lv="3"]{background:var(--lv3)}

/* ---------- levier bars (theme page) ---------- */
.leviers{display:grid;gap:7px;margin:22px 0}
.levier{display:grid;grid-template-columns:190px 1fr;gap:14px;align-items:center;font-size:.88rem}
@media(min-width:640px){.levier{grid-template-columns:190px 1fr 120px}}
.levier .lvl{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:none}
@media(min-width:640px){.levier .lvl{display:block}}
.levier .bar{height:6px;background:var(--panel-2);position:relative}
.levier .bar i{position:absolute;inset:0 auto 0 0;display:block;background:var(--accent)}
.levier a{text-decoration:none;color:var(--ink)}
.levier a:hover{color:var(--accent)}

/* ---------- timeline ---------- */
.tl{list-style:none;margin:26px 0;padding:0;border-top:1px solid var(--line)}
.tl li{
  display:grid;grid-template-columns:66px 1fr;gap:18px;padding:13px 0;
  border-bottom:1px solid var(--line-soft);align-items:baseline;
}
.tl .y{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;font-weight:500;
  font-variant-numeric:tabular-nums;color:var(--accent);
}
.tl li.past .y{color:var(--muted)}
.tl li.now .y{color:var(--heat)}
.tl b{font-weight:600;font-size:.95rem;display:block}
.tl em{font-style:normal;color:var(--muted);font-size:.88rem}
.tl a{color:inherit;text-decoration:none;border-bottom:1px solid var(--line)}
.tl a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- notes ---------- */
.note{border:1px solid var(--line);background:var(--panel);padding:15px 19px;font-size:.9rem;color:var(--muted);margin:24px 0;max-width:72ch}
.note b{color:var(--ink)}
.note.warn{border-color:var(--heat)}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);margin-top:70px;background:var(--panel)}
footer.site .inner{
  max-width:1120px;margin:0 auto;padding:34px 24px 46px;
  display:grid;gap:24px;font-size:.86rem;color:var(--muted);
}
@media(min-width:760px){footer.site .inner{grid-template-columns:2fr 1fr 1fr}}
footer.site a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line)}
footer.site a:hover{color:var(--accent);border-bottom-color:var(--accent)}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
footer.site .sig{color:var(--ink)}

.breadcrumb{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  padding:26px 0 0;margin:0 0 18px;
}
.breadcrumb a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line)}
.breadcrumb a:hover{color:var(--accent)}
.updated{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
  margin-top:46px;padding-top:14px;border-top:1px solid var(--line);
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}