/* ============================================================
   Robotique industrielle — feuille de style commune du site
   ============================================================ */
:root{
  --ground:#F3F6F8; --surface:#FFFFFF; --surface-2:#E9EFF4;
  --ink:#10161C; --muted:#5B6773; --line:#D9E1E8;
  --accent:#D96A00; --blue:#2F7BD4; --green:#17A05E; --amber:#C87E00; --red:#D2232A;
  --shadow:0 1px 2px rgba(16,22,28,.05),0 8px 24px rgba(16,22,28,.05);
  --shadow-lift:0 2px 4px rgba(16,22,28,.06),0 14px 34px rgba(16,22,28,.10);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0D1218; --surface:#151B22; --surface-2:#1D242D;
    --ink:#E8EDF2; --muted:#94A1AE; --line:#29323C;
    --accent:#FF8C22; --blue:#63A5EF; --green:#33C183; --amber:#F0A93B; --red:#F1564F;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);
    --shadow-lift:0 2px 6px rgba(0,0,0,.45),0 18px 40px rgba(0,0,0,.45);
  }
}
:root[data-theme="dark"]{
  --ground:#0D1218; --surface:#151B22; --surface-2:#1D242D;
  --ink:#E8EDF2; --muted:#94A1AE; --line:#29323C;
  --accent:#FF8C22; --blue:#63A5EF; --green:#33C183; --amber:#F0A93B; --red:#F1564F;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);
  --shadow-lift:0 2px 6px rgba(0,0,0,.45),0 18px 40px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,Segoe UI,sans-serif;font-size:15.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding-inline:16px;padding-block:0 52px}

/* ---------- bandeau supérieur ---------- */
.top{border-bottom:1px solid var(--line);background:var(--surface);
  position:sticky;top:0;z-index:10;backdrop-filter:saturate(1.2) blur(6px)}
.top .in{max-width:1100px;margin:0 auto;padding:11px 16px;display:flex;align-items:center;gap:14px}
.top .mark{display:flex;align-items:center;gap:9px;text-decoration:none;font-family:Archivo,sans-serif;
  font-weight:600;font-size:15px;letter-spacing:-.01em}
.top .mark svg{display:block;width:22px;height:22px;color:var(--accent)}
.top nav{margin-left:auto;display:flex;gap:6px}
.top nav a{text-decoration:none;font-size:14px;color:var(--muted);padding:6px 12px;border-radius:99px}
.top nav a:hover{color:var(--ink);background:var(--surface-2)}
.top nav a.on{color:var(--ink);background:var(--surface-2);font-weight:600}
.top nav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;
  align-items:center;padding-block:38px 30px}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding-block:28px 18px}}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent);margin:0 0 10px}
h1{font-family:Archivo,sans-serif;font-weight:700;font-size:clamp(30px,5.2vw,46px);line-height:1.04;
  letter-spacing:-.025em;margin:0;text-wrap:balance}
.lede{color:var(--muted);max-width:52ch;margin:14px 0 0;font-size:16.5px}
.hero-art{position:relative}
.hero-art svg{display:block;width:100%;height:auto}

/* ---------- sections ---------- */
section{padding-top:30px;scroll-margin-top:64px}
.sec-hd{display:flex;align-items:baseline;gap:12px;padding-bottom:4px;
  border-bottom:1px solid var(--line);margin-bottom:18px}
.sec-hd h2{font-family:Archivo,sans-serif;font-weight:600;font-size:21px;letter-spacing:-.015em;margin:0}
.sec-hd .n{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--muted);
  margin-left:auto;white-space:nowrap}
.sec-hd p{margin:0;color:var(--muted);font-size:14px}

/* ---------- cartes ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.card{position:relative;display:flex;flex-direction:column;gap:9px;text-decoration:none;
  background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:17px 18px 16px;
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  opacity:0;transition:opacity .16s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:var(--muted)}
.card:hover::before{opacity:1}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.card .ic{width:34px;height:34px;color:var(--accent)}
.card .ic svg{display:block;width:100%;height:100%}
.card h3{font-family:Archivo,sans-serif;font-weight:600;font-size:17px;margin:0;letter-spacing:-.01em}
.card .sub{color:var(--muted);font-size:13.5px;margin:-6px 0 0}
.card p{margin:0;font-size:14px;color:var(--muted);line-height:1.5}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.card .tags span{font-size:11.5px;font-family:"IBM Plex Mono",monospace;color:var(--muted);
  border:1px solid var(--line);border-radius:99px;padding:2px 9px}
.card .go{margin-top:auto;padding-top:6px;font-size:13.5px;font-weight:600;color:var(--accent);
  font-family:Archivo,sans-serif}
.card .go em{font-style:normal;display:inline-block;transition:transform .16s ease}
.card:hover .go em{transform:translateX(4px)}

/* ---------- état vide ---------- */
.empty{border:1px dashed var(--line);border-radius:13px;padding:26px 22px;text-align:center;
  color:var(--muted);font-size:14.5px;background:var(--surface-2)}
.empty b{display:block;font-family:Archivo,sans-serif;font-weight:600;color:var(--ink);
  font-size:15.5px;margin-bottom:5px}

/* ---------- fil d'Ariane des pages internes ---------- */
.crumb{border-bottom:1px solid var(--line);background:var(--surface);font-size:14px}
.crumb .in{max-width:1180px;margin:0 auto;padding:9px 16px;display:flex;align-items:center;gap:8px;
  color:var(--muted)}
.crumb a{text-decoration:none;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.crumb a:hover{color:var(--ink)}
.crumb .sep{opacity:.5}
.crumb b{color:var(--ink);font-weight:600}

footer{margin-top:44px;padding-top:16px;border-top:1px solid var(--line);
  color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{color:var(--muted)}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}