/* ============================================================
   BLOG — reprend les tokens, la nav et le footer de la landing.
   Volontairement moins animé : pas de révélation au scroll, pas de
   marquee, pas de curseur qui clignote. Il ne reste que les
   transitions de survol et l'ombre de la nav collante.
   ============================================================ */
:root{
  --brand-50:#f7f5ff; --brand-100:#efebff; --brand-200:#e6e0ff; --brand-300:#ddd1ff;
  --brand-400:#c5b5fc; --brand-500:#a693fb; --brand-600:#8164f4; --brand-700:#6847eb;
  --brand-800:#4b25bb; --brand-900:#3c1d91; --brand-950:#291466;
  --beige-50:#f9f8f6; --beige-100:#eeebe6; --beige-200:#dcd6cc; --beige-300:#c6bcab;
  --beige-500:#9e8871; --beige-950:#2b231f;
  --background:#fff;
  --foreground:#2d2b36;
  --muted:#f9f8f6;
  --muted-foreground:#797783;
  --primary:#6847eb;
  --border:#eeedf1;
  --secondary:#eeedf1;
  --ink-btn:#3D3A42;
  --ink-btn-edge:#7C7582;
  --accent-text-gradient:linear-gradient(81deg,#440088 -10000%,#5c28bc 40%,#c175ff 50%,#6e1ce9 75%,#350087 1000%);
  --font-sans:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif;
  --font-serif:"Instrument Serif",ui-serif,Georgia,serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --radius:.5rem;
  --shadow-sm:0px 3px 4px -2px #0000001a,0px 1px 2px -3px #0000001a;
  --shadow-md:0px 3px 4px -2px #0000001a,0px 2px 4px -3px #0000001a;
  --shadow-lg:0px 3px 4px -2px #0000001a,0px 4px 6px -3px #0000001a;
  --shadow-xl:0px 8px 30px -6px #2d2b3626,0px 2px 8px -3px #2d2b361a;
  --shadow-2xl:0px 26px 60px -18px #2d2b3640,0px 8px 20px -8px #2d2b3626;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--background);color:var(--foreground);
  font-family:var(--font-sans);font-size:16px;line-height:1.6;
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.04em;line-height:1.05;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-200);color:var(--brand-950)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:1240px;margin-inline:auto;padding-inline:20px}
.wrap-narrow{max-width:960px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
/* Une section qui suit directement un en-tête de page respire déjà par le haut. */
.section-after-head{padding-top:40px}
.bg-muted{background:var(--muted)}

.h1{font-size:clamp(2.3rem,6.2vw,4.4rem);font-weight:800;line-height:1.03}
.h2{font-size:clamp(1.95rem,4.2vw,3.15rem);font-weight:800;line-height:1.06}
.h3{font-size:clamp(1.25rem,2vw,1.55rem);font-weight:700;line-height:1.2}
.lede{font-size:clamp(1.02rem,1.5vw,1.28rem);color:var(--muted-foreground);line-height:1.55;font-weight:400}
.text-gradient{
  background-image:var(--accent-text-gradient);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.mono{font-family:var(--font-mono);letter-spacing:-.02em}
.serif{font-family:var(--font-serif);font-weight:400;letter-spacing:-.01em}

/* ---------- Pastille ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px 0 10px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  font-size:13.5px;font-weight:600;color:var(--foreground);
  box-shadow:var(--shadow-sm);white-space:nowrap;
}
.pill .dot{width:20px;height:20px;border-radius:999px;display:grid;place-items:center;background:var(--brand-100);font-size:12px}
.pill-ghost{background:var(--brand-50);border-color:var(--brand-200);color:var(--brand-800)}
@media (max-width:640px){
  .pill{white-space:normal;height:auto;min-height:34px;padding:7px 13px 7px 9px;line-height:1.3;text-align:left;font-size:13px}
}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;
  font-weight:600;font-size:15.5px;letter-spacing:-.015em;white-space:nowrap;
  transition:transform .16s cubic-bezier(.2,.8,.3,1),box-shadow .16s,background .16s;
  box-shadow:0 3px 0 var(--btn-edge,transparent);
  user-select:none;
}
.btn:hover{transform:translateY(3px);box-shadow:0 0 0 var(--btn-edge,transparent)}
.btn:active{transform:translateY(3px) scale(.99)}
.btn-dark{background:var(--ink-btn);border-color:var(--ink-btn-edge);color:#fff;--btn-edge:#1c1a20}
.btn-primary{background:var(--primary);border-color:var(--brand-600);color:#fff;--btn-edge:var(--brand-900)}
.btn-light{background:#fff;border-color:var(--border);color:var(--foreground);--btn-edge:#e0dee4}
.btn-lg{height:54px;padding:0 26px;font-size:16.5px;border-radius:14px}
.btn-sm{height:38px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-ghost{color:var(--foreground);box-shadow:none}
.btn-ghost:hover{background:var(--secondary);transform:none}

.card{background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-sm)}
.card-lg{border-radius:26px}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:80;transition:background .25s,box-shadow .25s,border-color .25s}
.nav::before{content:"";position:absolute;inset:0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:#ffffffd9;opacity:0;transition:opacity .25s}
.nav.stuck::before{opacity:1}
.nav.stuck{border-bottom:1px solid var(--border)}
.nav-inner{position:relative;display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18.5px;letter-spacing:-.045em}
.brand-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:none;
  background:linear-gradient(145deg,var(--brand-600),var(--brand-800));
  box-shadow:0 2px 6px -1px #6847eb66, inset 0 1px 0 #ffffff40;
}
.brand-mark svg{width:17px;height:17px}
.brand .ai{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-links a{
  white-space:nowrap;padding:8px 11px;border-radius:9px;font-size:14.8px;font-weight:500;
  color:#5b5966;transition:background .16s,color .16s;
}
.nav-links a:hover{background:var(--secondary);color:var(--foreground)}
.nav-links a[aria-current="page"]{color:var(--foreground);background:var(--secondary)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-burger{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--border);background:#fff;place-items:center}
.nav-burger span{display:block;width:17px;height:1.8px;background:var(--foreground);border-radius:2px;position:relative;transition:transform .2s}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:17px;height:1.8px;background:var(--foreground);border-radius:2px;transition:transform .2s,top .2s}
.nav-burger span::before{top:-5.5px}.nav-burger span::after{top:5.5px}
.nav-burger[aria-expanded="true"] span{transform:rotate(45deg)}
.nav-burger[aria-expanded="true"] span::before{top:0;transform:rotate(-90deg)}
.nav-burger[aria-expanded="true"] span::after{top:0;opacity:0}
.mobile-menu{display:none;border-top:1px solid var(--border);background:#fff;padding:14px 20px 22px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--border)}
.mobile-menu .btn{width:100%;margin-top:14px}

/* ---------- En-tête de page ---------- */
.page-head{position:relative;padding:56px 0 8px;overflow:hidden}
.page-head-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.page-head-bg::before{
  content:"";position:absolute;left:50%;top:-380px;width:1100px;height:700px;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,#efebffcc 0%,#f7f5ff66 42%,transparent 70%);
}
.page-head-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(#2d2b3608 1px,transparent 1px),linear-gradient(90deg,#2d2b3608 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 820px 380px at 50% 0%,#000 0%,transparent 78%);
  mask-image:radial-gradient(ellipse 820px 380px at 50% 0%,#000 0%,transparent 78%);
}
.page-head-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.page-head-inner .lede{max-width:56ch}

/* ---------- Grille d'articles ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:14px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;height:100%;
  background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-sm);
  transition:box-shadow .18s,border-color .18s,transform .18s cubic-bezier(.2,.8,.3,1);
}
.post-card:hover{box-shadow:var(--shadow-xl);border-color:var(--brand-200);transform:translateY(-3px)}
.post-cover{aspect-ratio:16/9;background:var(--brand-50);overflow:hidden;border-bottom:1px solid var(--border)}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-cover-fallback{
  width:100%;height:100%;display:grid;place-items:center;font-size:34px;
  background:linear-gradient(150deg,var(--brand-100),var(--beige-100));
}
.post-body{display:flex;flex-direction:column;gap:10px;padding:20px 20px 22px;flex:1}
.post-meta{display:flex;align-items:center;gap:8px;font-size:12.6px;color:var(--muted-foreground);font-weight:500}
.post-meta .sep{width:3px;height:3px;border-radius:999px;background:#cfcdd6}
.post-card h2{font-size:19.5px;line-height:1.22;font-weight:700;letter-spacing:-.03em}
.post-card p{font-size:14.4px;color:var(--muted-foreground);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-more{margin-top:auto;padding-top:12px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.post-card:hover .post-more .arw{transform:translateX(3px)}
.post-more .arw{transition:transform .18s}

.empty{
  text-align:center;padding:70px 24px;border:1px dashed var(--border);border-radius:24px;
  background:var(--muted);color:var(--muted-foreground);
}
.empty h2{font-size:22px;color:var(--foreground);margin-bottom:8px}

/* ---------- Pagination ---------- */
.pagination{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:52px}
.pagination a,.pagination span{
  min-width:42px;height:42px;padding:0 12px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14.6px;font-weight:600;border:1px solid var(--border);background:#fff;
  transition:background .16s,color .16s,border-color .16s;
}
.pagination a:hover{background:var(--secondary)}
.pagination .current{background:var(--ink-btn);border-color:var(--ink-btn);color:#fff}
.pagination .gap{border:0;background:none;color:var(--muted-foreground);min-width:22px;padding:0}
.pagination .disabled{opacity:.4;color:var(--muted-foreground)}

/* ---------- Article ---------- */
.article-head{position:relative;padding:48px 0 0;overflow:hidden}
.article-head-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:20px;max-width:760px;margin-inline:auto}
.breadcrumb{font-size:13.6px;color:var(--muted-foreground);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{transition:color .15s}
.breadcrumb a:hover{color:var(--foreground)}
.article-title{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800;line-height:1.06;letter-spacing:-.04em}
.article-meta{display:flex;align-items:center;gap:10px;font-size:13.6px;color:var(--muted-foreground);font-weight:500}
.article-meta .sep{width:3px;height:3px;border-radius:999px;background:#cfcdd6}
.article-hero{margin:34px auto 0;max-width:900px;border-radius:24px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-xl)}
/* Le format de l'image livrée varie ; on cadre pour garder le titre et le
   début du texte au-dessus de la ligne de flottaison. */
.article-hero img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}

.prose{max-width:760px;margin-inline:auto;padding:44px 0 12px;font-size:17.2px;line-height:1.75;color:#3c3a48}
.prose > *+*{margin-top:1.15em}
.prose > :first-child{margin-top:0}
.prose h1,.prose h2,.prose h3,.prose h4{letter-spacing:-.035em;line-height:1.2;color:var(--foreground)}
.prose h1{font-size:2rem;margin-top:1.9em}
.prose h2{font-size:1.62rem;margin-top:1.9em}
.prose h3{font-size:1.3rem;margin-top:1.7em;font-weight:700}
.prose h4{font-size:1.1rem;margin-top:1.5em;font-weight:700}
.prose h2+*,.prose h3+*,.prose h4+*{margin-top:.7em}
.prose a{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px;text-decoration-color:var(--brand-300);transition:text-decoration-color .16s}
.prose a:hover{text-decoration-color:var(--primary)}
.prose strong{color:var(--foreground);font-weight:700}
.prose ul,.prose ol{padding-left:1.35em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-top:.5em}
.prose li::marker{color:var(--brand-500)}
.prose img{border-radius:18px;border:1px solid var(--border);margin-inline:auto}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13.6px;color:var(--muted-foreground);text-align:center;margin-top:10px}
.prose blockquote{
  margin-inline:0;padding:4px 0 4px 22px;border-left:3px solid var(--brand-300);
  color:#4a4857;font-family:var(--font-serif);font-size:1.22em;line-height:1.5;
}
.prose blockquote p{margin:0}
.prose code{
  font-family:var(--font-mono);font-size:.88em;background:var(--muted);
  border:1px solid var(--border);border-radius:6px;padding:.12em .38em;
}
.prose pre{
  background:var(--beige-950);color:#f3efe9;border-radius:16px;padding:18px 20px;overflow-x:auto;
  font-family:var(--font-mono);font-size:13.6px;line-height:1.6;
}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.prose hr{border:0;border-top:1px solid var(--border);margin:2.4em 0}
.prose table{width:100%;border-collapse:collapse;font-size:15.4px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--border);padding:10px 13px;text-align:left}
.prose th{background:var(--muted);font-weight:700}

.article-foot{max-width:760px;margin:0 auto;padding:26px 0 0;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.article-foot .kw{font-size:13.4px;color:var(--muted-foreground);max-width:46ch}

.cta-band{
  margin-top:56px;border-radius:28px;padding:44px 34px;text-align:center;color:#fff;
  background:linear-gradient(160deg,#3c1d91,#291466 55%,#1c1032);
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2.05rem);max-width:22ch;margin:0 auto 12px}
.cta-band p{color:#cfc6ea;max-width:50ch;margin:0 auto 22px;font-size:15.6px}

/* ---------- 404 ---------- */
.nf{min-height:64vh;display:grid;place-items:center;text-align:center;padding:70px 0}
.nf-inner{display:flex;flex-direction:column;align-items:center;gap:20px;max-width:52ch}
.nf-code{font-family:var(--font-mono);font-size:clamp(4.4rem,14vw,8.5rem);font-weight:600;line-height:1;letter-spacing:-.06em}
.nf-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- Footer ---------- */
footer{background:var(--muted);border-top:1px solid var(--border);padding:56px 0 30px;margin-top:80px}
.foot-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:36px}
.foot-brand p{font-size:14px;color:var(--muted-foreground);margin-top:14px;line-height:1.55;max-width:30ch}
.foot-col h4{font-size:13.2px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.foot-col a{display:block;font-size:13.8px;color:var(--muted-foreground);padding:5px 0;transition:color .15s}
.foot-col a:hover{color:var(--foreground)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:44px;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--muted-foreground)}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .posts{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-burger{display:grid}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .posts{grid-template-columns:1fr}
  .prose{font-size:16.6px;padding-top:34px}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}