/* SEO Définitions : surcouche minimaliste de Bootstrap 5.3 (couleurs, typographie de lecture). */
:root {
  --sd-accent: #1f4fd6;
  --sd-accent-doux: #eef2fd;
  --sd-ligne: #e6e6e1;
  --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: #1b1b19;
  --bs-body-bg: #fbfbf9;
  --bs-link-color: var(--sd-accent);
  --bs-link-color-rgb: 31, 79, 214;
  --bs-link-hover-color: #163a9e;
  --bs-border-color: var(--sd-ligne);
}
@media (prefers-color-scheme: dark) {
  :root {
    --sd-accent: #8fa8ff;
    --sd-accent-doux: #1b2340;
    --sd-ligne: #2d2d2a;
    --bs-body-color: #ecece7;
    --bs-body-bg: #121211;
    --bs-secondary-color: #a7a79f;
    --bs-link-color-rgb: 143, 168, 255;
    --bs-link-hover-color: #b9c8ff;
    --bs-border-color: var(--sd-ligne);
    color-scheme: dark;
  }
  .badge.text-bg-light { background-color: #1e1e1c !important; color: var(--bs-body-color) !important; }
  .btn-outline-secondary { --bs-btn-color: #c9c9c2; --bs-btn-border-color: #3a3a36; }
  .form-control { background-color: #1a1a18; border-color: #34342f; color: var(--bs-body-color); }
}

body { font-size: 1.0625rem; line-height: 1.7; }
.container { max-width: 1040px; }
a { text-underline-offset: 3px; }
.lien-discret { color: inherit; text-decoration: none; }
.lien-discret:hover { text-decoration: underline; }

.marque { color: var(--bs-body-color); font-weight: 650; letter-spacing: -0.01em; display: inline-flex; align-items: center; gap: .6rem; }
.marque-pastille { width: 30px; height: 30px; border-radius: 8px; background: var(--bs-body-color); color: var(--bs-body-bg); display: inline-grid; place-items: center; font-size: .72rem; font-weight: 700; }
.site-header .nav-link { color: var(--bs-secondary-color, #6c6c66); padding: .35rem .6rem; }
.site-header .nav-link:hover { color: var(--bs-body-color); }

h1, h2, h3 { letter-spacing: -0.02em; }
.intro .lead { max-width: 40em; }

.carte { border: 1px solid var(--sd-ligne); color: var(--bs-body-color); background: var(--bs-body-bg); transition: border-color .15s; }
.carte:hover { border-color: var(--sd-accent); }

.liste-termes li { padding: .7rem 0; border-bottom: 1px solid var(--sd-ligne); }
.liste-termes li:last-child { border-bottom: 0; }
.liste-termes a { text-decoration: none; }
.liste-termes a:hover { text-decoration: underline; }

.definition { max-width: 720px; }
.resume { background: var(--sd-accent-doux); border-left: 3px solid var(--sd-accent); }
.corps h2 { font-size: 1.4rem; font-weight: 650; margin: 2.2rem 0 .8rem; }
.corps h3 { font-size: 1.15rem; font-weight: 650; margin: 1.6rem 0 .6rem; }
.corps table { width: 100%; margin: 1rem 0; font-size: .95rem; }
.corps th, .corps td { border-bottom: 1px solid var(--sd-ligne); padding: .5rem; vertical-align: top; }
.corps code { color: inherit; background: var(--sd-accent-doux); padding: .1rem .3rem; border-radius: 4px; font-size: .9em; }
.corps pre { background: var(--sd-accent-doux); padding: 1rem; border-radius: 8px; overflow-x: auto; }
.corps pre code { background: none; padding: 0; }
.corps blockquote { border-left: 3px solid var(--sd-ligne); padding-left: 1rem; color: var(--bs-secondary-color, #6c6c66); }
.texte { max-width: 720px; }

.site-footer { color: var(--bs-secondary-color, #6c6c66); }
.site-footer a { color: inherit; }