:root{
  --bg:#06070c; --bg2:#0b0d16; --card:rgba(255,255,255,.04); --line:rgba(255,255,255,.09);
  --txt:#eef0f7; --mut:#a3a9bd; --a:#7c5cff; --b:#22d3ee; --c:#a3e635;
  --grad:linear-gradient(120deg,var(--a),var(--b) 55%,var(--c));
  --r:20px;
  --spring:linear(0,0.0389,0.1276,0.2369,0.3497,0.4564,0.5523,0.6355,0.7062,0.765,0.8133,0.8525,0.884,0.9092,0.9292,0.945,0.9574,0.9671,0.9746,0.9805,0.985,0.9885,0.9912,0.9933,0.9949,0.9961,0.997,0.9978,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overflow-x:hidden}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{background:var(--bg);color:var(--txt);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;font-optical-sizing:auto;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a,button{touch-action:manipulation}
:focus-visible{outline:2px solid var(--b);outline-offset:3px;border-radius:6px}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}

/* en-tête */
.top{position:fixed;inset:0 0 auto 0;z-index:50;-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);background:rgba(6,7,12,.6);border-bottom:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:18px}
.logo i{width:28px;height:28px;border-radius:9px;background:var(--grad);display:grid;place-items:center;box-shadow:0 0 24px rgba(124,92,255,.6)}
.logo i::after{content:"";width:10px;height:10px;border-radius:50%;background:#06070c}
.links{display:flex;gap:30px;color:var(--mut);font-size:14.5px}
.links a{transition:color .2s}
.links a:hover,.links a[aria-current=page]{color:var(--txt)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:15px;letter-spacing:-.011em;border:1px solid var(--line);cursor:pointer;transition:transform .55s var(--spring),box-shadow .3s,background-color .2s,border-color .2s}
.btn:active{transform:scale(.97);transition-duration:.1s,.1s,.2s,.2s}
.btn:focus-visible{border-radius:999px}
.btn.pri{background:var(--grad);color:#06070c;border:0;box-shadow:0 8px 36px -8px rgba(124,92,255,.7)}
.btn.pri:hover{transform:translateY(-2px);box-shadow:0 14px 44px -8px rgba(34,211,238,.6)}
.btn.gho:hover{background:var(--card);border-color:rgba(255,255,255,.25)}
.btn.sm{padding:9px 18px;font-size:14px}

/* page */
.art{padding:120px 0 80px;max-width:760px}
.crumbs{font-size:13.5px;color:var(--mut);margin-bottom:28px;letter-spacing:.005em}
.crumbs span{opacity:.5;margin:0 4px}
.crumbs a:hover{color:var(--txt)}
.eyebrow{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--b);font-weight:600;margin-bottom:12px}
.ah h1{font-size:clamp(32px,5.2vw,52px);line-height:1.06;letter-spacing:-.04em;font-weight:800;text-wrap:balance}
.meta{margin-top:18px;font-size:14px;color:var(--mut);letter-spacing:.005em}
.lede{margin-top:18px;font-size:clamp(18px,2vw,21px);line-height:1.55;color:var(--mut);letter-spacing:-.012em;text-wrap:pretty}
.toc{margin:36px 0 8px;padding:22px 24px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.toc b{display:block;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin-bottom:10px}
.toc ol{list-style:none;counter-reset:t;display:grid;gap:8px}
.toc li{counter-increment:t;font-size:15.5px}
.toc li::before{content:counter(t) ".";color:var(--b);margin-right:10px;font-weight:600}
.toc a{color:var(--txt);transition:color .2s}
.toc a:hover{color:var(--b)}

/* texte : lecture longue, interlignage plus ample que sur la landing */
.prose{margin-top:40px;font-size:18px;line-height:1.75;color:#d5d8e6}
.prose>*+*{margin-top:1.15em}
.prose h2{margin-top:2.4em;font-size:clamp(26px,3.4vw,34px);line-height:1.15;letter-spacing:-.03em;color:var(--txt);text-wrap:balance;scroll-margin-top:92px}
.prose h3{margin-top:1.8em;font-size:21px;line-height:1.3;letter-spacing:-.018em;color:var(--txt);scroll-margin-top:92px}
.prose p{text-wrap:pretty}
.prose strong{color:var(--txt);font-weight:650}
.prose a{color:var(--b);text-decoration:underline;text-decoration-color:rgba(34,211,238,.4);text-underline-offset:3px;transition:text-decoration-color .2s}
.prose a:hover{text-decoration-color:var(--b)}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{padding-left:.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--b)}
.prose code{font:.88em ui-monospace,SFMono-Regular,Menlo,monospace;padding:.15em .4em;border-radius:6px;background:rgba(255,255,255,.07);color:var(--txt)}
.prose pre{padding:18px 20px;border-radius:14px;border:1px solid var(--line);background:var(--bg2);overflow-x:auto;font-size:14.5px;line-height:1.6}
.prose pre code{padding:0;background:none}
.prose blockquote{padding:16px 22px;border-left:3px solid var(--a);border-radius:0 14px 14px 0;background:var(--card);color:var(--txt)}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:15.5px;line-height:1.5}
th,td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);background:var(--card);white-space:nowrap}
tr:last-child td{border-bottom:0}

/* appel à l'action et suggestions */
.cta{margin-top:64px;padding:40px 32px;text-align:center;border-radius:28px;border:1px solid var(--line);background:radial-gradient(ellipse at 50% 0%,rgba(124,92,255,.3),transparent 65%),var(--bg2)}
.cta h2{font-size:clamp(24px,3.4vw,32px);letter-spacing:-.03em;line-height:1.15;margin-bottom:10px}
.cta p{color:var(--mut);margin:0 auto 24px;max-width:46ch}
.more{margin-top:72px}
.more h2{font-size:22px;letter-spacing:-.02em;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:16px}
.grid.one{grid-template-columns:1fr;margin-top:44px}
.card{display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));transition:border-color .3s,transform .55s var(--spring)}
.card:hover{border-color:rgba(255,255,255,.22);transform:translateY(-3px)}
.card:active{transform:scale(.985);transition-duration:.3s,.1s}
.card b{font-size:19px;line-height:1.3;letter-spacing:-.02em}
.card span{color:var(--mut);font-size:15px;line-height:1.55}
.card.big{padding:30px}
.card.big b{font-size:clamp(21px,2.6vw,26px);letter-spacing:-.025em}
.card time{font-size:13px;color:var(--b);letter-spacing:.04em}
.card em{font-style:normal;font-size:14px;color:var(--txt);margin-top:6px}
.nf{text-align:center;min-height:70vh;display:flex;flex-direction:column;justify-content:center;align-items:center}
.nf p{margin-top:18px}
.nf .btn+.btn{margin-left:8px}

.foot{border-top:1px solid var(--line);padding:40px 0;color:var(--mut);font-size:14px}
.foot .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}

@media(max-width:860px){.links{display:none}.art{padding-top:104px}.prose{font-size:17px}}
@media(prefers-reduced-transparency:reduce){.top{background:#06070c;-webkit-backdrop-filter:none;backdrop-filter:none}}
@media(prefers-contrast:more){:root{--line:rgba(255,255,255,.4);--mut:#cfd3e4}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}