/* Brunoy Échecs — comparatif des échiquiers et ordinateurs d'échecs électroniques */
:root {
  --bg: #f3f5f7;
  --paper: #ffffff;
  --ink: #15212c;
  --muted: #4c5b68;
  --line: #d5dde4;
  --panel: #0e1821;
  --panel-2: #172633;
  --accent: #0a7c74;
  --accent-ink: #075e58;
  --led: #3ee6c8;
  --amber: #f2b632;
  --soft: #e6f3f1;
  --radius: 10px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-wrap: break-word;
}
h1, h2, h3, h4, .brand, .chip, .spec-label, th {
  font-family: "Space Grotesk", "IBM Plex Sans", system-ui, sans-serif;
}
h1, h2, h3 { line-height: 1.25; color: var(--ink); }
h1 { font-size: clamp(1.75rem, 4.2vw, 2.6rem); margin: .2em 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.35rem, 3vw, 1.8rem); margin: 2.2em 0 .6em; padding-top: .4em; border-top: 1px solid var(--line); }
h3 { font-size: 1.2rem; margin: 1.6em 0 .4em; }
p { margin: 0 0 1em; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
img, svg { max-width: 100%; height: auto; }
strong { font-weight: 600; }

/* En-tête */
.site-header { background: var(--panel); color: #e9f1f4; border-bottom: 3px solid var(--accent); }
.header-inner { max-width: var(--max); margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.2rem; letter-spacing: .02em; }
.brand:hover { color: #fff; }
.brand-mark { display: inline-grid; grid-template-columns: repeat(3, 7px); gap: 2px; }
.brand-mark i { display: block; width: 7px; height: 7px; border-radius: 2px; background: #2c3e4d; }
.brand-mark i.on { background: var(--led); box-shadow: 0 0 6px var(--led); }
.brand small { display: block; font-weight: 400; font-size: .72rem; color: #9fb4c1; letter-spacing: .04em; }
.nav-toggle { display: none; background: transparent; border: 1px solid #3b5163; color: #fff; border-radius: 6px; padding: 6px 12px; font-size: 1rem; cursor: pointer; }
.site-nav { display: flex; gap: 22px; }
.site-nav .nav-group { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav .nav-title { font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--amber); margin-right: 4px; }
.site-nav a { color: #dce7ec; text-decoration: none; font-size: .9rem; padding: 4px 8px; border-radius: 6px; }
.site-nav a:hover { background: var(--panel-2); color: var(--led); }

/* Fil d'Ariane */
.breadcrumb { max-width: var(--max); margin: 0 auto; padding: 14px 16px 0; font-size: .85rem; color: var(--muted); }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #8a98a4; }
.breadcrumb a { color: var(--muted); }

/* Contenu */
main { max-width: var(--max); margin: 0 auto; padding: 8px 16px 48px; }
.article { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(18px, 4vw, 48px); max-width: 860px; margin: 0 auto; }
.kicker { display: inline-block; font-family: "Space Grotesk", sans-serif; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--accent-ink); background: var(--soft); padding: 3px 10px; border-radius: 99px; }
.answer { background: var(--panel); color: #eaf2f5; border-radius: var(--radius); padding: 18px 20px; margin: 0 0 1.4em; border-left: 5px solid var(--led); }
.answer p { margin: 0; }
.answer strong { color: #fff; }
.meta { font-size: .85rem; color: var(--muted); margin-bottom: 1.4em; }
.definition { border: 1px dashed var(--accent); background: var(--soft); border-radius: var(--radius); padding: 14px 18px; margin: 1.2em 0; }
.definition dfn { font-style: normal; font-weight: 700; color: var(--accent-ink); }
.note { border-left: 4px solid var(--amber); background: #fff8e6; padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.2em 0; font-size: .95rem; }
.toc { background: #f7f9fa; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 18px; margin: 0 0 1.6em; font-size: .95rem; }
.toc strong { font-family: "Space Grotesk", sans-serif; }
.toc ol { margin: .4em 0 0; padding-left: 1.3em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: .35em; }

/* Tableaux */
.table-wrap { overflow-x: auto; margin: 1.2em 0 1.6em; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .9rem; background: #fff; }
th, td { padding: 9px 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--panel-2); color: #fff; font-weight: 600; font-size: .85rem; white-space: nowrap; }
tbody tr:nth-child(even) td { background: #f7f9fa; }
td.yes { color: var(--accent-ink); font-weight: 600; }
td.no { color: #8a4a2a; }
caption { caption-side: bottom; text-align: left; font-size: .8rem; color: var(--muted); padding: 8px 11px; }

/* Fiches et cartes */
.spec { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin: 1em 0 1.4em; }
.spec div { background: #f7f9fa; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.spec-label { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 1em 0 1.6em; }
.card { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; text-decoration: none; color: var(--ink); border-top: 4px solid var(--accent); }
.card:hover { border-color: var(--accent); color: var(--ink); }
.card h3 { margin: .2em 0 .3em; font-size: 1.05rem; }
.card p { margin: 0; font-size: .92rem; color: var(--muted); }
.chip { display: inline-block; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; background: var(--panel); color: var(--led); padding: 2px 8px; border-radius: 4px; }
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 1em 0 1.4em; }
.versus > div { background: #f7f9fa; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.versus h3 { margin-top: 0; }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 1em 0; }
.pros-cons > div { border-radius: var(--radius); padding: 12px 16px; }
.pros { background: #eaf6ef; border: 1px solid #b9dcc6; }
.cons { background: #fbefe9; border: 1px solid #ecc9b7; }
.pros-cons h3 { margin-top: 0; font-size: 1rem; }
.board-illu { display: block; margin: 0 auto 1.4em; max-width: 360px; }

/* FAQ */
.faq details { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin-bottom: 10px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 600; font-family: "Space Grotesk", sans-serif; }
.faq details p { margin: .6em 0 0; }

/* À lire aussi */
.related { margin-top: 2.4em; padding-top: 1em; border-top: 2px solid var(--panel); }
.related h2 { border: 0; margin-top: 0; padding-top: 0; font-size: 1.25rem; }
.related ul { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.related a { display: block; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: #f7f9fa; text-decoration: none; font-weight: 500; }
.related a:hover { border-color: var(--accent); }

/* Accueil */
.hero { background: linear-gradient(135deg, var(--panel) 0%, #12303a 100%); color: #e9f1f4; }
.hero-inner { max-width: var(--max); margin: 0 auto; padding: 36px 16px 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center; }
.hero h1 { color: #fff; }
.hero p { color: #c9d8df; font-size: 1.05rem; }
.hero .answer { background: rgba(255,255,255,.06); }
.wide { max-width: var(--max); margin: 0 auto; }
.wide .article { max-width: none; }

/* Pied de page */
.site-footer { background: var(--panel); color: #b9c8d1; font-size: .9rem; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 32px 16px 12px; display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 24px; }
.site-footer h4 { color: #fff; margin: 0 0 .6em; font-size: .95rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .3em; }
.site-footer a { color: #d4e2e8; text-decoration: none; }
.site-footer a:hover { color: var(--led); }
.footer-bottom { max-width: var(--max); margin: 0 auto; padding: 12px 16px 24px; border-top: 1px solid #263848; font-size: .8rem; color: #8ea3b0; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .site-nav { display: none; width: 100%; flex-direction: column; gap: 10px; padding: 8px 0 4px; }
  .site-nav.open { display: flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .versus, .pros-cons { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  th { white-space: normal; }
}

/* sélecteur de langue (pbn_i18n) */
.lang-switch{max-width:1100px;margin:24px auto 0;padding:14px 20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;line-height:1.9;text-align:center;opacity:.85}
.lang-switch a{color:inherit;text-decoration:none;white-space:nowrap}
.lang-switch a:hover{text-decoration:underline}
.lang-switch a.current{font-weight:700;text-decoration:underline}