/* ==========================================================
   IO BILL — Pages SEO / Blog / Légales (shared stylesheet)
   Palette : identique à IOcar (gold + blue + red — pas de vert).
   ========================================================== */
:root {
  --bg:        #0c0b0f;
  --bg2:       #141318;
  --bg3:       #1c1a22;
  --surface:   #222030;
  --border:    #2a2838;

  --gold:      #d4a843;
  --gold2:     #e8c36a;
  --gold-dim:  #8b7a4a;
  --blue:      #4a9eff;
  --red:       #e55c5c;

  --text:      #f0eee8;
  --text2:     #a8a4b4;
  --muted:     #6b6680;

  --radius:    14px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:'DM Sans', sans-serif;
  background:var(--bg); color:var(--text);
  line-height:1.7; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* Grain overlay */
body::before {
  content:''; position:fixed; inset:0; z-index:9999; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-size:128px;
}

/* SKIP LINK (a11y) */
.skip-link {
  position:absolute; left:-9999px; top:0;
  background:var(--gold); color:#000; padding:10px 16px;
  font-weight:700; font-family:'Syne',sans-serif;
  z-index:10000; border-radius:0 0 8px 0;
}
.skip-link:focus { left:0; }

/* NAV */
nav.site-nav {
  position:sticky; top:0; z-index:100;
  padding:18px 40px; display:flex; align-items:center; justify-content:space-between;
  background:rgba(12,11,15,0.85); backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(212,168,67,0.08);
}
.nav-logo {
  font-family:'Syne',sans-serif; font-weight:800; font-size:22px;
  color:var(--gold); text-decoration:none; letter-spacing:-0.5px;
  display:inline-flex; align-items:center; gap:8px;
}
.nav-logo span { color:var(--text); font-weight:600; }
.nav-logo svg { width:22px; height:22px; }
.nav-links { display:flex; gap:28px; align-items:center; }
.nav-links a { color:var(--text2); text-decoration:none; font-size:14px; font-weight:500; transition:color 0.3s; }
.nav-links a:hover { color:var(--gold); }
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 28px; border-radius:10px;
  font-weight:600; font-size:14px; text-decoration:none;
  transition:all 0.3s; border:none; cursor:pointer; font-family:inherit;
}
a.btn-gold,
a.btn-gold:link,
a.btn-gold:visited,
a.btn-gold:hover,
a.btn-gold:active,
a.btn-gold:focus,
.btn-gold {
  background:linear-gradient(135deg,var(--gold),var(--gold2));
  color:#000 !important; font-weight:700;
  box-shadow:0 4px 24px rgba(212,168,67,0.25); text-decoration:none;
}
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 8px 32px rgba(212,168,67,0.45); filter:brightness(1.05); }
.btn-ghost { background:transparent; color:var(--gold); border:1px solid var(--gold-dim); }
.btn-ghost:hover { background:rgba(212,168,67,0.1); border-color:var(--gold); }
.btn-lg { padding:16px 36px; font-size:16px; border-radius:12px; }

/* BREADCRUMB */
.breadcrumb { max-width:920px; margin:0 auto; padding:24px 24px 0; font-size:13px; color:var(--muted); }
.breadcrumb a { color:var(--text2); text-decoration:none; }
.breadcrumb a:hover { color:var(--gold); }
.breadcrumb span { margin:0 8px; color:var(--muted); }

/* MAIN CONTENT */
main.page { max-width:920px; margin:0 auto; padding:40px 24px 80px; }

/* HEADER */
.page-header { padding:60px 0 40px; border-bottom:1px solid var(--border); margin-bottom:48px; position:relative; }
.page-header::before {
  content:''; position:absolute; top:0; left:0; width:60px; height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold2)); border-radius:2px;
}
.page-eyebrow {
  font-family:'Syne',sans-serif; font-size:12px; font-weight:700;
  letter-spacing:3px; text-transform:uppercase; color:var(--gold); margin-bottom:16px;
}
h1 {
  font-family:'Syne',sans-serif; font-size:clamp(36px,5vw,56px); font-weight:800;
  line-height:1.1; letter-spacing:-1.5px; margin-bottom:20px;
}
h1 em { font-style:normal; color:var(--gold); }
.page-lead { font-size:19px; color:var(--text2); line-height:1.65; max-width:760px; }

/* TYPOGRAPHIE */
h2 {
  font-family:'Syne',sans-serif; font-size:clamp(26px,3vw,34px); font-weight:700;
  margin:56px 0 18px; letter-spacing:-0.5px; line-height:1.25;
}
h2 .num { color:var(--gold); margin-right:12px; font-variant-numeric:tabular-nums; }
h3 {
  font-family:'Syne',sans-serif; font-size:20px; font-weight:700;
  margin:32px 0 12px; color:var(--text);
}
p { margin-bottom:16px; color:var(--text2); font-size:16px; }
p strong, li strong { color:var(--text); font-weight:600; }
ul, ol { margin:12px 0 20px 24px; color:var(--text2); font-size:16px; }
li { margin-bottom:8px; line-height:1.7; }
a { color:var(--gold); text-decoration:none; transition:opacity 0.2s; }
a:hover { opacity:0.8; text-decoration:underline; }

/* CALLOUTS */
.callout {
  background:var(--bg2); border:1px solid var(--border); border-radius:12px;
  padding:20px 24px; margin:24px 0;
}
.callout.gold  { border-left:3px solid var(--gold);  background:rgba(212,168,67,0.05); }
.callout.blue  { border-left:3px solid var(--blue);  background:rgba(74,158,255,0.05); }
.callout.red   { border-left:3px solid var(--red);   background:rgba(229,92,92,0.05); }
.callout-title {
  font-family:'Syne',sans-serif; font-size:14px; font-weight:700;
  letter-spacing:1px; text-transform:uppercase; margin-bottom:8px; color:var(--gold);
}
.callout.blue  .callout-title { color:var(--blue);  }
.callout.red   .callout-title { color:var(--red);   }

/* TABLE */
.cmp-table {
  width:100%; border-collapse:collapse; margin:24px 0;
  background:var(--bg2); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; font-size:14px;
}
.cmp-table th, .cmp-table td {
  padding:14px 18px; text-align:left; border-bottom:1px solid var(--border);
}
.cmp-table th {
  background:var(--bg3); color:var(--gold); font-family:'Syne',sans-serif;
  font-size:11px; letter-spacing:1.5px; text-transform:uppercase; font-weight:700;
}
.cmp-table tr:last-child td { border-bottom:0; }
.cmp-table td.ok        { color:var(--gold); font-weight:600; }
.cmp-table td.no        { color:var(--red); }
.cmp-table td.highlight { color:var(--gold); font-weight:700; }

/* CTA BLOCK */
.cta-block {
  margin:60px 0 0; padding:40px 32px; border-radius:14px; text-align:center;
  background:linear-gradient(135deg, rgba(212,168,67,0.08), rgba(212,168,67,0.02));
  border:1px solid rgba(212,168,67,0.2);
}
.cta-block h3 { font-family:'Syne',sans-serif; font-size:24px; font-weight:700; margin-bottom:10px; color:var(--text); }
.cta-block p { font-size:15px; margin-bottom:20px; }

/* RELATED CARDS */
.related-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:14px; margin:32px 0;
}
.related-card {
  display:block; padding:20px; border:1px solid var(--border); border-radius:12px;
  background:var(--bg2); text-decoration:none; transition:all 0.3s;
}
.related-card:hover { border-color:var(--gold-dim); transform:translateY(-2px); text-decoration:none; }
.related-card-label {
  font-family:'Syne',sans-serif; font-size:11px; font-weight:700;
  letter-spacing:1.5px; text-transform:uppercase; color:var(--gold); margin-bottom:6px;
}
.related-card-title { font-size:15px; font-weight:600; color:var(--text); }
.related-card-desc { font-size:13px; color:var(--text2); margin-top:4px; line-height:1.5; }

/* TOC */
.toc {
  background:var(--bg2); border:1px solid var(--border); border-radius:12px;
  padding:20px 24px; margin:24px 0 40px;
}
.toc-title {
  font-family:'Syne',sans-serif; font-size:13px; font-weight:700;
  letter-spacing:1.5px; text-transform:uppercase; color:var(--gold); margin-bottom:12px;
}
.toc ol { margin:0; padding-left:20px; }
.toc li { font-size:14px; margin-bottom:6px; }
.toc a { color:var(--text2); }
.toc a:hover { color:var(--gold); }

/* DATA / MONO */
.mono, code, kbd {
  font-family:'JetBrains Mono', ui-monospace, monospace;
  font-size:0.92em;
}
code {
  background:var(--bg3); border:1px solid var(--border);
  padding:2px 6px; border-radius:4px; color:var(--gold);
}

/* FOOTER */
footer.site-footer {
  border-top:1px solid var(--border); padding:48px 40px 32px;
  background:var(--bg);
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px;
  max-width:1200px; margin:0 auto;
}
footer.site-footer .footer-col strong {
  display:block; font-family:'Syne',sans-serif; font-size:11px;
  letter-spacing:1.5px; text-transform:uppercase; color:var(--gold);
  margin-bottom:12px; font-weight:700;
}
footer.site-footer a {
  display:block; color:var(--text2); text-decoration:none;
  font-size:13px; padding:4px 0; transition:color 0.2s;
}
footer.site-footer a:hover { color:var(--gold); }
footer.site-footer .copy { color:var(--muted); font-size:12px; line-height:1.6; margin-top:8px; }
footer.site-footer .footer-brand-line {
  grid-column:1 / -1; padding-top:24px; margin-top:8px;
  border-top:1px solid var(--border);
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  flex-wrap:wrap; font-size:12px; color:var(--muted);
}

/* RESPONSIVE */
@media (max-width:780px) {
  nav.site-nav { padding:14px 20px; }
  .nav-links { gap:14px; }
  .nav-links a:not(.btn) { display:none; }
  footer.site-footer { grid-template-columns:1fr; padding:32px 20px; gap:24px; }
  main.page { padding:24px 20px 60px; }
  .page-header { padding:40px 0 32px; }
}

/* PRINT-FRIENDLY (utile pour CGV / DPA / mentions légales) */
@media print {
  body::before, nav.site-nav, footer.site-footer, .cta-block { display:none !important; }
  body { background:#fff; color:#000; }
  main.page { max-width:none; padding:0; }
  h1, h2, h3 { color:#000; }
  p, li { color:#222; }
  a { color:#000; text-decoration:underline; }
}