/* ==========================================================================
   Thème « Référenceur SEO » — feuille unique.
   Direction : clair premium orienté données. Fond ardoise très clair, surfaces
   blanches, texte ardoise, accents indigo, courbes et SERP stylisées.
   Aucune ressource externe (CSP style-src 'self'), aucune police distante.
   ========================================================================== */

/* ── Jetons de design ─────────────────────────────────────────────────────── */
:root{
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --surface-2:#F1F5F9;
  --ink:#0F172A;
  --ink-2:#1E293B;
  --ink-3:#334155;
  --muted:#64748B;
  --muted-2:#94A3B8;
  --line:#E2E8F0;
  --line-2:#CBD5E1;
  --accent:#4F46E5;
  --accent-dark:#4338CA;
  --accent-soft:#818CF8;
  --wash:#EEF2FF;
  --ok:#047857;
  --ok-wash:#ECFDF5;
  --warn:#B45309;
  --warn-wash:#FFFBEB;

  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-1:0 1px 2px rgba(15,23,42,.05);
  --shadow-2:0 2px 6px rgba(15,23,42,.06), 0 18px 34px -24px rgba(15,23,42,.30);
  --shadow-3:0 8px 18px rgba(15,23,42,.08), 0 34px 60px -34px rgba(15,23,42,.38);

  --wrap:1160px;
  --read:790px;
  --header-h:74px;

  --font-title: var(--font-heading, "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif);
  --font-text:  var(--font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif);
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* Variables lues par core/comment-section.php */
  --card-bg:var(--surface);
  --text:var(--ink-2);
  --border:var(--line);
  --primary:var(--accent);
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:var(--font-text);font-size:17px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px;border-radius:4px}

h1,h2,h3,h4{font-family:var(--font-title);color:var(--ink);line-height:1.2;letter-spacing:-.012em;margin:0 0 .6em}
h1{font-size:clamp(2rem,1.35rem + 2.1vw,3rem);font-weight:700}
h2{font-size:clamp(1.45rem,1.15rem + 1.1vw,1.95rem);font-weight:700}
h3{font-size:clamp(1.15rem,1.02rem + .5vw,1.35rem);font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 1.15em}

.rs-wrap{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto}
.rs-section{padding-block:clamp(2.5rem,1.6rem + 3vw,4.5rem)}
.rs-vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.rs-skip{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--accent);color:#fff;padding:.7rem 1.1rem;border-radius:0 0 var(--radius-sm) 0}
.rs-skip:focus{left:0}
.rs-dot{display:inline-block;width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.5;margin:0 .55em;vertical-align:middle}
.rs-kicker{font-family:var(--font-text);font-size:.72rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin:0 0 .7rem}
.rs-lead{font-size:1.12rem;color:var(--ink-3);line-height:1.72;max-width:62ch}
.rs-h2-lead{position:relative;padding-bottom:.7rem;margin-bottom:1.8rem}
.rs-h2-lead::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-soft))}
.rs-empty{color:var(--muted);font-style:italic}

/* ── Barre de progression de lecture ──────────────────────────────────────── */
.rs-progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:1300;background:transparent;pointer-events:none}
.rs-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-soft));transition:width .08s linear}

/* ── En-tête ──────────────────────────────────────────────────────────────── */
/* Le backdrop-filter fait du header un bloc conteneur : le tiroir mobile est donc
   en position:absolute SOUS le header, jamais en fixed. Le header reste au-dessus
   de l'overlay (z-index 1200 contre 1100). */
.rs-header{
  position:sticky;top:0;z-index:1200;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.rs-header-in{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto;min-height:var(--header-h);display:flex;align-items:center;gap:1.2rem}
.rs-header-line{height:2px;background:linear-gradient(90deg,var(--accent) 0%,var(--accent-soft) 42%,transparent 100%);opacity:.85}

.rs-logo{display:flex;align-items:center;gap:.65rem;flex:0 0 auto;text-decoration:none}
.rs-logo:hover{text-decoration:none}
.rs-logo img{max-height:40px;width:auto}
.rs-logo-mark{display:block;width:34px;height:34px;flex:0 0 auto}
.rs-logo-mark svg{width:100%;height:100%;display:block}
.rs-logo-txt{display:flex;flex-direction:column;font-family:var(--font-title);font-weight:700;font-size:1.06rem;color:var(--ink);line-height:1.15}
.rs-logo-txt em{font-family:var(--font-text);font-style:normal;font-size:.7rem;font-weight:600;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}

.rs-nav{margin-left:auto}
.rs-nav > ul{display:flex;align-items:center;gap:.25rem;list-style:none;margin:0;padding:0}
.rs-nav a{
  display:block;padding:.5rem .78rem;border-radius:9px;
  font-size:.94rem;font-weight:600;color:var(--ink-3);text-decoration:none;
  transition:background .16s ease,color .16s ease;
}
.rs-nav a:hover{background:var(--wash);color:var(--accent-dark);text-decoration:none}
.rs-nav a.is-active{color:var(--accent-dark);background:var(--wash)}
.rs-nav-search{display:none}

.rs-header-tools{display:flex;align-items:center;gap:.5rem;flex:0 0 auto}
.rs-search{display:flex;align-items:center;gap:.3rem;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.22rem .3rem .22rem .8rem;transition:border-color .16s,box-shadow .16s}
.rs-search:focus-within{border-color:var(--accent-soft);box-shadow:0 0 0 4px rgba(129,140,248,.2)}
.rs-search input{border:0;background:transparent;font:inherit;font-size:.9rem;color:var(--ink);width:150px;padding:.3rem 0}
.rs-search input:focus{outline:none}
.rs-search button{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:999px;background:var(--accent);color:#fff;cursor:pointer;transition:background .16s}
.rs-search button:hover{background:var(--accent-dark)}
.rs-search svg{width:17px;height:17px}

.rs-burger{display:none;position:relative;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:var(--surface);cursor:pointer;padding:0}
.rs-burger span{position:absolute;left:12px;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s ease,opacity .18s ease,top .22s ease}
.rs-burger span:nth-child(1){top:14px}
.rs-burger span:nth-child(2){top:20px}
.rs-burger span:nth-child(3){top:26px}
.rs-burger[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg)}
.rs-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.rs-burger[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg)}

.rs-overlay{position:fixed;inset:0;z-index:1100;background:rgba(15,23,42,.42);opacity:0;transition:opacity .22s ease}
.rs-overlay.is-on{opacity:1}

/* ── Fil d'Ariane ─────────────────────────────────────────────────────────── */
.rs-crumbs{border-bottom:1px solid var(--line);background:var(--surface)}
.rs-crumbs nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;list-style:none;margin:0;padding:.7rem 0;font-size:.83rem;color:var(--muted)}
.rs-crumbs nav a{color:var(--muted);text-decoration:none}
.rs-crumbs nav a:hover{color:var(--accent-dark);text-decoration:underline}
.rs-crumbs nav li[aria-current="page"] span{color:var(--ink-3);font-weight:600}
.rs-crumbs .breadcrumb-sep{opacity:.6}

/* ── Héros de l'accueil ───────────────────────────────────────────────────── */
.rs-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--wash) 0%,var(--bg) 72%)}
.rs-hero-bg{position:absolute;inset:auto 0 0 0;height:70%;pointer-events:none}
.rs-hero-curve{width:100%;height:100%;display:block}
.rs-dash{stroke-dasharray:6 8;animation:rs-flow 9s linear infinite}
@keyframes rs-flow{to{stroke-dashoffset:-140}}
.rs-hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.6rem,1rem + 2.4vw,3.4rem);align-items:center;padding-block:clamp(2.6rem,1.6rem + 3.4vw,4.6rem)}
.rs-hero-txt h1{margin-bottom:.5em}

.rs-serp{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2);padding:1rem 1.1rem 1.15rem;margin:1.6rem 0;max-width:520px}
.rs-serp-bar{display:flex;align-items:center;gap:.6rem;border:1px solid var(--line-2);border-radius:999px;padding:.55rem .95rem;color:var(--muted);font-size:.92rem;min-height:42px}
.rs-serp-bar svg{width:17px;height:17px;flex:0 0 auto;color:var(--accent)}
.rs-type{color:var(--ink-2);white-space:nowrap;overflow:hidden}
.rs-caret{display:inline-block;width:2px;height:1.05em;background:var(--accent);animation:rs-blink 1.05s steps(1) infinite;flex:0 0 auto}
@keyframes rs-blink{50%{opacity:0}}
.rs-serp-res{margin-top:1rem;display:flex;flex-direction:column;gap:.42rem}
.rs-serp-res.dim{opacity:.45}
.rs-serp-line{display:block;height:9px;border-radius:5px;background:var(--surface-2)}
.rs-serp-url{width:38%;height:8px;background:var(--ok-wash);border:1px solid #A7F3D0}
.rs-serp-title{width:74%;height:13px;background:linear-gradient(90deg,var(--accent-soft),var(--wash))}
.rs-serp-line.short{width:52%}

.rs-stats{display:flex;flex-wrap:wrap;gap:1.6rem;list-style:none;margin:1.7rem 0 .5rem;padding:0}
.rs-stats li{display:flex;flex-direction:column}
.rs-stats strong{font-family:var(--font-title);font-size:2rem;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.rs-stats span{font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:.32rem}
.rs-stats-note{font-size:.79rem;color:var(--muted-2);margin:0}

/* ── Mini-jeux ────────────────────────────────────────────────────────────── */
.rs-game{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-3);padding:1.25rem 1.3rem 1.15rem;position:relative;overflow:hidden}
.rs-game::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-soft),transparent)}
.rs-game-title{font-family:var(--font-title);font-size:1.18rem;font-weight:700;color:var(--ink);margin:0 0 .2rem}
.rs-game-sub{font-size:.85rem;color:var(--muted);margin:0 0 .9rem}
.rs-game-board{position:relative;height:270px;border-radius:var(--radius);background:
  radial-gradient(circle at 18% 22%,rgba(129,140,248,.14),transparent 55%),
  radial-gradient(circle at 82% 78%,rgba(79,70,229,.10),transparent 55%),
  var(--surface-2);
  overflow:hidden;border:1px solid var(--line)}
.rs-chip{position:absolute;display:inline-block;padding:.34rem .7rem;border-radius:999px;font-size:.8rem;font-weight:600;line-height:1.3;
  background:var(--surface);border:1px solid var(--line-2);color:var(--ink-3);cursor:pointer;white-space:nowrap;
  box-shadow:var(--shadow-1);transition:transform .12s ease,box-shadow .12s ease}
.rs-chip:hover{transform:scale(1.06);box-shadow:var(--shadow-2)}
.rs-chip.hit{background:var(--ok-wash);border-color:#6EE7B7;color:var(--ok)}
.rs-chip.miss{background:#FEF2F2;border-color:#FCA5A5;color:#B91C1C}
.rs-game-foot{display:flex;align-items:center;gap:.7rem;margin-top:.85rem}
.rs-game-score,.rs-game-time{font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--muted);font-variant-numeric:tabular-nums}
.rs-game-time{margin-right:auto}
.rs-game-msg{font-size:.85rem;color:var(--ink-3);margin:.7rem 0 0;min-height:1.2em}
.rs-btn-sm{border:0;border-radius:999px;background:var(--accent);color:#fff;font:inherit;font-size:.83rem;font-weight:700;padding:.45rem 1.05rem;cursor:pointer;transition:background .16s,transform .12s}
.rs-btn-sm:hover{background:var(--accent-dark);transform:translateY(-1px)}
.rs-game-404 canvas{display:block;width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface-2)}

/* ── Cartes ───────────────────────────────────────────────────────────────── */
.rs-cards{display:grid;gap:1.4rem}
.rs-cards-3{grid-template-columns:repeat(3,1fr)}
.rs-card{
  display:flex;flex-direction:column;overflow:hidden;text-decoration:none;color:inherit;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rs-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:var(--accent-soft);text-decoration:none}
.rs-card-img{display:block;overflow:hidden;aspect-ratio:1200/630;background:var(--surface-2)}
.rs-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rs-card:hover .rs-card-img img{transform:scale(1.045)}
.rs-card-body{display:flex;flex-direction:column;gap:.42rem;padding:1.05rem 1.15rem 1.2rem;flex:1}
.rs-card-kicker{font-size:.71rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--accent)}
.rs-card-title{font-family:var(--font-title);font-size:1.13rem;font-weight:700;color:var(--ink);line-height:1.32}
.rs-card-desc{font-size:.9rem;color:var(--muted);line-height:1.62;flex:1}
.rs-card-more{font-size:.83rem;font-weight:700;color:var(--accent-dark);margin-top:.35rem}
.rs-card:hover .rs-card-more{text-decoration:underline}

/* ── Corps éditorial ──────────────────────────────────────────────────────── */
.rs-longread{max-width:var(--read);margin-inline:auto}
.rs-content{font-size:1.0625rem;line-height:1.8;color:var(--ink-3)}
.rs-content > h2{margin-top:2.3em;padding-top:.2em}
.rs-content > h2:first-child{margin-top:0}
.rs-content > h3{margin-top:1.8em;color:var(--ink-2)}
.rs-content strong{color:var(--ink);font-weight:700}
.rs-content em{font-style:italic;color:var(--ink-2)}
.rs-content a{color:var(--accent-dark);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px;transition:color .15s,background .15s}
.rs-content a:hover{color:var(--accent);background:var(--wash)}
.rs-content ul,.rs-content ol{padding-left:1.35em;margin:0 0 1.3em}
.rs-content li{margin-bottom:.5em}
.rs-content blockquote{margin:1.8em 0;padding:.2em 0 .2em 1.4em;border-left:4px solid var(--accent-soft);font-family:var(--font-title);font-size:1.12rem;font-style:italic;color:var(--ink-2)}
.rs-content blockquote p:last-child{margin-bottom:0}
.rs-content figure{margin:2em 0}
.rs-content figure img{border-radius:var(--radius);box-shadow:var(--shadow-2)}
.rs-content figcaption{font-size:.83rem;color:var(--muted);margin-top:.6rem;text-align:center}

.rs-content table{width:100%;border-collapse:separate;border-spacing:0;margin:2em 0;font-size:.95rem;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1)}
.rs-content thead th{background:var(--wash);color:var(--ink);font-family:var(--font-text);font-weight:800;font-size:.79rem;letter-spacing:.07em;text-transform:uppercase;text-align:left;padding:.85rem 1.05rem;border-bottom:1px solid var(--line)}
.rs-content tbody td{padding:.9rem 1.05rem;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.65}
.rs-content tbody tr:last-child td{border-bottom:0}
.rs-content tbody tr:nth-child(even) td{background:#FBFCFE}
.rs-content tbody td:first-child{font-weight:600;color:var(--ink-2);width:38%}

.rs-content p.rs-note,.rs-content p.rs-warn{
  border-radius:var(--radius);padding:1.05rem 1.2rem;margin:2em 0;font-size:.97rem;line-height:1.72;border:1px solid;
}
.rs-content p.rs-note{background:var(--ok-wash);border-color:#A7F3D0;color:#065F46}
.rs-content p.rs-note strong{color:var(--ok)}
.rs-content p.rs-warn{background:var(--warn-wash);border-color:#FDE68A;color:#92400E}
.rs-content p.rs-warn strong{color:var(--warn)}

/* FAQ en <details>, sans JavaScript */
.rs-faq{margin:2em 0 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1)}
.rs-faq details{border-bottom:1px solid var(--line)}
.rs-faq details:last-child{border-bottom:0}
.rs-faq summary{cursor:pointer;list-style:none;padding:1.05rem 3rem 1.05rem 1.2rem;position:relative;
  font-family:var(--font-title);font-weight:700;font-size:1.03rem;color:var(--ink);transition:background .15s}
.rs-faq summary::-webkit-details-marker{display:none}
.rs-faq summary:hover{background:var(--wash)}
.rs-faq summary::after{content:"";position:absolute;right:1.15rem;top:1.35rem;width:11px;height:11px;
  border-right:2.4px solid var(--accent);border-bottom:2.4px solid var(--accent);transform:rotate(45deg);transition:transform .22s ease}
.rs-faq details[open] summary::after{transform:rotate(-135deg);top:1.55rem}
.rs-faq details > p{margin:0;padding:0 1.2rem 1.15rem;color:var(--ink-3);font-size:.97rem}

/* ── Dossier de fond de l'accueil : pleine largeur, sections numérotées ──── */
.rs-longread-wide{max-width:1100px;margin-inline:auto}
.rs-content-wide{counter-reset:rssec;font-size:1.09rem;line-height:1.82}
.rs-content-wide > h2{
  counter-increment:rssec;position:relative;
  margin-top:3.2rem;padding-top:2.1rem;padding-left:4.4rem;
  border-top:1px solid var(--line);
}
.rs-content-wide > h2::before{
  content:counter(rssec,decimal-leading-zero);
  position:absolute;left:0;top:1.75rem;
  display:grid;place-items:center;width:3.1rem;height:3.1rem;border-radius:14px;
  background:var(--wash);color:var(--accent-dark);
  font-family:var(--font-text);font-size:1rem;font-weight:800;letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(129,140,248,.45);
}
.rs-content-wide > h2:first-child{margin-top:0;border-top:0;padding-top:0}
.rs-content-wide > h2:first-child::before{top:-.15rem}
.rs-content-wide > h3{margin-top:2rem;padding-left:0}
.rs-content-wide > p{max-width:none}

/* Figures : schémas SVG en ligne, sans script ni attribut style */
.rs-fig{margin:2.4rem 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);padding:1.5rem 1.6rem 1.2rem;overflow:hidden}
.rs-fig svg{width:100%;height:auto;display:block;font-family:var(--font-text)}
.rs-fig figcaption{margin-top:1rem;padding-top:.85rem;border-top:1px dashed var(--line);
  font-size:.86rem;line-height:1.6;color:var(--muted);text-align:left}
.rs-fig figcaption strong{color:var(--ink-3);font-weight:700}

/* Grille de points clés : <ul class='rs-keys'><li><strong>Titre</strong> texte</li> */
.rs-content .rs-keys{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;list-style:none;
  margin:2.2rem 0;padding:0}
.rs-content .rs-keys li{margin:0;background:var(--surface);border:1px solid var(--line);
  border-top:3px solid var(--accent-soft);border-radius:var(--radius);padding:1.05rem 1.15rem;
  font-size:.95rem;line-height:1.65;color:var(--ink-3);box-shadow:var(--shadow-1)}
.rs-content .rs-keys li strong{display:block;font-family:var(--font-title);font-size:1.05rem;
  color:var(--ink);margin-bottom:.35rem}

/* Accordéons éditoriaux (mêmes mécaniques que la FAQ, sans JavaScript) */
.rs-acc{margin:2.2rem 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);
  overflow:hidden;box-shadow:var(--shadow-1)}
.rs-acc details{border-bottom:1px solid var(--line)}
.rs-acc details:last-child{border-bottom:0}
.rs-acc summary{cursor:pointer;list-style:none;padding:1rem 3rem 1rem 1.2rem;position:relative;
  font-family:var(--font-title);font-weight:700;font-size:1.02rem;color:var(--ink);transition:background .15s}
.rs-acc summary::-webkit-details-marker{display:none}
.rs-acc summary:hover{background:var(--wash)}
.rs-acc summary::after{content:"";position:absolute;right:1.15rem;top:1.3rem;width:11px;height:11px;
  border-right:2.4px solid var(--accent);border-bottom:2.4px solid var(--accent);transform:rotate(45deg);
  transition:transform .22s ease}
.rs-acc details[open] summary::after{transform:rotate(-135deg);top:1.5rem}
.rs-acc details > p{margin:0;padding:0 1.2rem 1.1rem;color:var(--ink-3);font-size:.97rem}

/* Sommaire maison (accueil) */
.rs-toc{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:1.1rem 1.3rem 1.2rem;margin:0 0 2.4rem;box-shadow:var(--shadow-1)}
.rs-toc-title{font-size:.71rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .7rem}
.rs-toc ol{margin:0;padding-left:1.25em;columns:2;column-gap:2rem}
.rs-toc li{margin-bottom:.42em;font-size:.92rem;break-inside:avoid}
.rs-toc a{color:var(--ink-3);text-decoration:none}
.rs-toc a:hover{color:var(--accent-dark);text-decoration:underline}
:where(h2,h3,h4)[id]{scroll-margin-top:96px}

/* ── Article ──────────────────────────────────────────────────────────────── */
.rs-post-head{background:linear-gradient(180deg,var(--wash),var(--bg));border-bottom:1px solid var(--line)}
.rs-post-head-in{max-width:var(--read);padding-block:clamp(2rem,1.4rem + 2vw,3.2rem)}
.rs-post-meta{display:flex;flex-wrap:wrap;align-items:center;font-size:.86rem;color:var(--muted);margin:0}
.rs-post-hero{margin-block:0;margin-inline:auto;padding-block:clamp(1.4rem,1rem + 1.4vw,2.2rem)}
.rs-post-hero img{border-radius:var(--radius-lg);box-shadow:var(--shadow-3);width:100%}
.rs-post-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(1.8rem,1.2rem + 2vw,3.4rem);align-items:start;padding-block:clamp(1.6rem,1.2rem + 1.6vw,2.6rem)}
.rs-post-nosb .rs-post-grid{grid-template-columns:minmax(0,1fr);max-width:var(--read);margin-inline:auto}
.rs-post-body{min-width:0}
.rs-comments{padding-block:2rem;max-width:var(--read)}

/* ── Barre latérale ───────────────────────────────────────────────────────── */
.rs-sidebar{position:sticky;top:calc(var(--header-h) + 18px);display:flex;flex-direction:column;gap:1.2rem;min-width:0}
.sidebar-widget{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.05rem 1.15rem 1.15rem;box-shadow:var(--shadow-1)}
.sidebar-widget-title{font-family:var(--font-title);font-size:1rem;font-weight:700;color:var(--ink);margin-bottom:.75rem;padding-bottom:.55rem;border-bottom:1px solid var(--line)}
.sidebar-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.1rem}
.sidebar-list li{border-bottom:1px dashed var(--line)}
.sidebar-list li:last-child{border-bottom:0}
.sidebar-list a{display:block;padding:.5rem .1rem;font-size:.9rem;line-height:1.5;color:var(--ink-3);text-decoration:none;transition:color .15s,padding-left .15s}
.sidebar-list a:hover{color:var(--accent-dark);padding-left:.35rem;text-decoration:none}
.rs-side-search{display:flex;gap:.4rem}
.rs-side-search input{flex:1;min-width:0;border:1px solid var(--line-2);border-radius:9px;padding:.55rem .7rem;font:inherit;font-size:.9rem;color:var(--ink);background:var(--surface)}
.rs-side-search input:focus{outline:none;border-color:var(--accent-soft);box-shadow:0 0 0 3px rgba(129,140,248,.2)}
.rs-side-search button{border:0;border-radius:9px;background:var(--accent);color:#fff;font:inherit;font-size:.85rem;font-weight:700;padding:0 .85rem;cursor:pointer}
.rs-side-search button:hover{background:var(--accent-dark)}

/* Habillage des extensions aux couleurs du thème */
body .sqcms-toc{--sqcms-accent:var(--accent);--sqcms-text:var(--ink-2);--sqcms-bg:var(--surface);--sqcms-border:var(--line)}
body .qcms-quiz{--q-navy:var(--ink);--q-gold:var(--accent);--q-bd:var(--line)}
body .qcms-quiz .qz-card{border-left-color:var(--accent);border-radius:var(--radius-sm);box-shadow:none;padding:.2rem 0 0;border:0}
body .qcms-quiz .qz-q{font-family:var(--font-title)}
body .qcms-quiz .qz-btn{background:var(--surface-2);border-color:var(--line)}
body .qcms-quiz .qz-next{background:var(--accent)}
body .qcms-quiz .qz-next:hover{background:var(--accent-dark)}
body .arsim-wrap,body .arsim{margin-top:2.5rem}

/* ── Rubrique ─────────────────────────────────────────────────────────────── */
.rs-cat-head{background:linear-gradient(180deg,var(--wash),var(--bg));border-bottom:1px solid var(--line)}
.rs-cat-head-in{display:grid;grid-template-columns:1.25fr .75fr;gap:2.4rem;align-items:center;padding-block:clamp(2rem,1.4rem + 2vw,3.2rem)}
.rs-cat-head-img{margin:0}
.rs-cat-head-img img{border-radius:var(--radius-lg);box-shadow:var(--shadow-3);width:100%}
.rs-cat-count{font-size:.83rem;font-weight:600;letter-spacing:.04em;color:var(--muted);margin:1rem 0 0}
.rs-cat-intro,.rs-cat-outro{max-width:var(--read);margin-inline:auto}

.rs-pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem;margin-top:2.6rem}
.rs-pglink{display:grid;place-items:center;min-width:42px;height:42px;padding:0 .6rem;border-radius:11px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-3);font-weight:700;font-size:.92rem;text-decoration:none;transition:all .16s}
.rs-pglink:hover{border-color:var(--accent-soft);color:var(--accent-dark);text-decoration:none}
.rs-pglink.is-current{background:var(--accent);border-color:var(--accent);color:#fff}
.rs-pglink-gap{display:grid;place-items:center;min-width:28px;height:42px;color:var(--muted-2)}

/* ── Page statique ────────────────────────────────────────────────────────── */
.rs-page-head{background:linear-gradient(180deg,var(--wash),var(--bg));border-bottom:1px solid var(--line);padding-block:clamp(2rem,1.4rem + 2vw,3.2rem)}
.rs-page-head .rs-wrap{max-width:var(--read)}

/* ── Contact ──────────────────────────────────────────────────────────────── */
.rs-contact{background:linear-gradient(180deg,var(--bg),var(--wash));border-top:1px solid var(--line);scroll-margin-top:90px}
.rs-contact-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.8rem,1.2rem + 2.4vw,3.4rem);padding-block:clamp(2.6rem,1.8rem + 3vw,4.4rem);align-items:start}
.rs-contact-txt h2{margin-bottom:.6em}
.rs-contact-txt p{color:var(--ink-3)}
.rs-contact-list{list-style:none;margin:1.2rem 0 0;padding:0;display:flex;flex-direction:column;gap:.55rem}
.rs-contact-list li{position:relative;padding-left:1.7rem;font-size:.94rem;color:var(--ink-3)}
.rs-contact-list li::before{content:"";position:absolute;left:.2rem;top:.55em;width:9px;height:5px;border-left:2.2px solid var(--accent);border-bottom:2.2px solid var(--accent);transform:rotate(-45deg)}
.rs-contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-3);padding:1.5rem 1.6rem 1.7rem}

/* Formulaires natifs (FormManager) */
.rs-contact-form form,.qcms-form{display:flex;flex-wrap:wrap;gap:.9rem}
.rs-contact-form label{display:block;font-size:.82rem;font-weight:700;letter-spacing:.02em;color:var(--ink-2);margin-bottom:.35rem}
.rs-contact-form input[type=text],.rs-contact-form input[type=email],.rs-contact-form input[type=tel],
.rs-contact-form input[type=url],.rs-contact-form input[type=number],.rs-contact-form input[type=date],
.rs-contact-form select,.rs-contact-form textarea{
  width:100%;border:1px solid var(--line-2);border-radius:var(--radius-sm);background:var(--surface);
  font:inherit;font-size:.95rem;color:var(--ink);padding:.68rem .85rem;transition:border-color .15s,box-shadow .15s}
.rs-contact-form textarea{min-height:150px;resize:vertical}
.rs-contact-form input:focus,.rs-contact-form select:focus,.rs-contact-form textarea:focus{
  outline:none;border-color:var(--accent-soft);box-shadow:0 0 0 3px rgba(129,140,248,.22)}
.rs-contact-form button[type=submit]{
  border:0;border-radius:999px;background:var(--accent);color:#fff;font:inherit;font-size:.95rem;font-weight:700;
  padding:.78rem 1.7rem;cursor:pointer;transition:background .16s,transform .12s,box-shadow .16s;
  box-shadow:0 10px 22px -12px rgba(79,70,229,.9)}
.rs-contact-form button[type=submit]:hover{background:var(--accent-dark);transform:translateY(-1px)}
.rs-contact-form input[type=checkbox]{width:1.05rem;height:1.05rem;accent-color:var(--accent);margin-right:.5rem}

/* ── 404 ──────────────────────────────────────────────────────────────────── */
.rs-404{background:linear-gradient(180deg,var(--wash),var(--bg))}
.rs-404-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.8rem,1.2rem + 2.4vw,3.4rem);align-items:center;padding-block:clamp(2.4rem,1.6rem + 3vw,4.2rem)}
.rs-404-search{display:flex;gap:.5rem;margin:1.4rem 0 1.6rem;max-width:420px}
.rs-404-search input{flex:1;min-width:0;border:1px solid var(--line-2);border-radius:999px;padding:.7rem 1.1rem;font:inherit;font-size:.95rem;background:var(--surface);color:var(--ink)}
.rs-404-search input:focus{outline:none;border-color:var(--accent-soft);box-shadow:0 0 0 3px rgba(129,140,248,.22)}
.rs-404-search button{border:0;border-radius:999px;background:var(--accent);color:#fff;font:inherit;font-weight:700;padding:0 1.3rem;cursor:pointer}
.rs-404-search button:hover{background:var(--accent-dark)}
.rs-404-sub{font-size:.85rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 .7rem}
.rs-404-links{display:flex;flex-wrap:wrap;gap:.55rem;list-style:none;margin:0;padding:0}
.rs-404-links a{display:inline-block;padding:.45rem .95rem;border-radius:999px;background:var(--surface);border:1px solid var(--line);
  font-size:.88rem;font-weight:600;color:var(--ink-3);text-decoration:none;transition:all .16s}
.rs-404-links a:hover{border-color:var(--accent-soft);color:var(--accent-dark);text-decoration:none;transform:translateY(-1px)}

/* ── Pied de page ─────────────────────────────────────────────────────────── */
.rs-footer{background:var(--ink);color:#CBD5E1;margin-top:clamp(2.5rem,1.6rem + 3vw,4.5rem)}
.rs-footer-top{display:grid;grid-template-columns:1.7fr 1fr;gap:2.4rem;padding-block:clamp(2.2rem,1.6rem + 2vw,3.4rem)}
.rs-footer-brand .rs-logo-mark{width:38px;height:38px;margin-bottom:.8rem}
.rs-footer-name{font-family:var(--font-title);font-size:1.2rem;font-weight:700;color:#fff;margin:0 0 .5rem}
.rs-footer-about{font-size:.9rem;color:#94A3B8;line-height:1.7;margin:0;max-width:38ch}
.rs-footer-col h2{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-soft);font-family:var(--font-text);margin:0 0 .9rem}
.rs-footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}
.rs-footer-col a{color:#CBD5E1;font-size:.92rem;text-decoration:none;transition:color .15s}
.rs-footer-col a:hover{color:#fff;text-decoration:underline}
.rs-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;padding-block:1.15rem;border-top:1px solid rgba(255,255,255,.09);font-size:.82rem;color:#94A3B8}
.rs-footer-bottom p{margin:0}

/* ── Retour en haut ───────────────────────────────────────────────────────── */
.rs-top{position:fixed;right:18px;bottom:18px;z-index:1050;width:46px;height:46px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--accent-dark);cursor:pointer;
  box-shadow:var(--shadow-2);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .22s,transform .22s}
.rs-top.is-on{opacity:1;transform:none;pointer-events:auto}
.rs-top svg{width:20px;height:20px}

/* ── Easter egg : mode crawler ────────────────────────────────────────────── */
.rs-egg{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:1400;max-width:min(92vw,460px);
  background:var(--ink);color:#E2E8F0;border-radius:var(--radius);padding:1rem 1.2rem;box-shadow:var(--shadow-3);
  animation:rs-pop .3s ease}
@keyframes rs-pop{from{opacity:0;transform:translate(-50%,14px)}}
.rs-egg-title{font-family:var(--font-title);font-size:1.02rem;font-weight:700;color:#fff;margin:0 0 .3rem}
.rs-egg-txt{font-size:.85rem;line-height:1.6;margin:0;color:#94A3B8}
body.rs-crawler .rs-content h2::before,body.rs-crawler .rs-content h3::before{
  content:attr(data-tag);display:inline-block;margin-right:.55rem;padding:.1em .45em;border-radius:6px;
  background:var(--wash);color:var(--accent);font-family:var(--font-mono);font-size:.62em;font-weight:700;vertical-align:middle}
body.rs-crawler .rs-content a{background:#FEF9C3;box-shadow:0 0 0 2px #FDE68A}
body.rs-crawler .rs-content img{outline:2px dashed var(--accent-soft);outline-offset:3px}

/* ── Révélation au défilement ─────────────────────────────────────────────── */
/* Sans JavaScript (ou si IntersectionObserver manque), .reveal reste visible :
   la classe rs-anim n'est posée sur <html> que si le script s'exécute. */
.reveal{transition:opacity .55s ease,transform .55s ease;transition-delay:var(--d,0ms)}
.rs-anim .reveal{opacity:0;transform:translateY(18px)}
.rs-anim .reveal.is-in{opacity:1;transform:none}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width:1024px){
  .rs-post-grid{grid-template-columns:minmax(0,1fr)}
  .rs-sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .rs-sidebar .sidebar-widget{flex:1 1 260px}
  .rs-hero-in,.rs-cat-head-in,.rs-contact-in,.rs-404-in{grid-template-columns:1fr}
  .rs-cards-3{grid-template-columns:repeat(2,1fr)}
  .rs-footer-top{grid-template-columns:1fr 1fr}
  .rs-search input{width:118px}
}
@media (max-width:860px){
  :root{--header-h:62px}
  .rs-burger{display:grid}
  .rs-header-tools .rs-search{display:none}
  /* Tiroir : absolute SOUS le header (le backdrop-filter du header crée un bloc
     conteneur, un position:fixed serait piégé à l'intérieur). */
  .rs-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px -24px rgba(15,23,42,.55);
    padding:.7rem 1.2rem 1.1rem;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    max-height:calc(100dvh - var(--header-h) - 10px);overflow-y:auto;
  }
  .rs-nav.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .rs-nav > ul{flex-direction:column;align-items:stretch;gap:.15rem}
  .rs-nav a{padding:.75rem .8rem;font-size:1rem;border-radius:10px}
  .rs-nav-search{display:flex;gap:.5rem;margin-top:.9rem;padding-top:.9rem;border-top:1px solid var(--line)}
  .rs-nav-search input{flex:1;min-width:0;border:1px solid var(--line-2);border-radius:999px;padding:.6rem 1rem;font:inherit;font-size:.95rem;background:var(--surface);color:var(--ink)}
  .rs-nav-search input:focus{outline:none;border-color:var(--accent-soft);box-shadow:0 0 0 3px rgba(129,140,248,.22)}
  .rs-nav-search button{border:0;border-radius:999px;background:var(--accent);color:#fff;font:inherit;font-weight:700;padding:0 1.1rem;cursor:pointer}
}
@media (max-width:900px){
  .rs-content .rs-keys{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:16.5px}
  .rs-cards-3{grid-template-columns:1fr}
  .rs-content-wide{font-size:1.02rem}
  .rs-content-wide > h2{padding-left:0;padding-top:3.6rem}
  .rs-content-wide > h2::before{top:1.9rem;width:2.6rem;height:2.6rem;font-size:.9rem}
  .rs-content .rs-keys{grid-template-columns:1fr}
  .rs-fig{padding:1rem 1rem .9rem;border-radius:var(--radius)}
  .rs-footer-top{grid-template-columns:1fr;gap:1.8rem}
  .rs-toc ol{columns:1}
  .rs-stats{gap:1.1rem}
  .rs-stats strong{font-size:1.7rem}
  .rs-game-board{height:230px}
  .rs-content tbody td:first-child{width:44%}
  .rs-contact-form{padding:1.15rem 1.1rem 1.35rem}
}

/* ── Mouvement réduit ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .rs-caret{animation:none}
  .rs-dash{animation:none}
}

/* ── Impression ───────────────────────────────────────────────────────────── */
@media print{
  .rs-header,.rs-footer,.rs-sidebar,.rs-pagination,.rs-top,.rs-progress,.rs-overlay,.rs-egg,
  .rs-game,.rs-hero-game,.rs-contact,.rs-crumbs,.rs-serp,.rs-stats,.rs-stats-note,.rs-skip{display:none !important}
  body{background:#fff;color:#000;font-size:11.5pt}
  .rs-wrap{width:100%}
  .rs-content a{color:#000;text-decoration:underline}
  .rs-content table{box-shadow:none}
  .rs-faq details{page-break-inside:avoid}
  .rs-faq details > p{display:block}
}