/* ============================================================
   lucdelbeato.fr — shared design system (blog + articles)
   ============================================================ */
:root{
  --bg:#0d0e12; --bg-soft:#14161c; --panel:#171a21; --panel-2:#1c2027;
  --ink:#ece8df; --ink-dim:#a7a496; --ink-faint:#6f6e64;
  --amber:#ffab3d; --amber-deep:#ff8a1e; --mint:#6ff7b0; --mint-deep:#34e89e;
  --line:#272a32; --line-soft:#1f222a;
  --radius:14px; --maxw:1120px; --readw:720px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.8);
  font-synthesis:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Hanken Grotesk",system-ui,sans-serif;
  font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(720px 420px at 12% -6%, rgba(255,171,61,.10), transparent 60%),
    radial-gradient(680px 520px at 96% 8%, rgba(111,247,176,.07), transparent 55%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--amber);color:#1a1206}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:"JetBrains Mono",monospace}
.accent{color:var(--amber)} .accent-2{color:var(--mint)}

/* ---------- NAV ---------- */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(13,14,18,.72);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;gap:24px;height:62px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.brand{font-family:"JetBrains Mono",monospace;font-weight:700;font-size:15px;letter-spacing:-.3px;white-space:nowrap}
.brand .dim{color:var(--ink-faint)} .brand .amber{color:var(--amber)}
.brand .cur{color:var(--mint);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
nav.links{display:flex;gap:22px;margin-left:auto;font-size:14.5px}
nav.links a{color:var(--ink-dim);font-weight:500;transition:color .2s;position:relative}
nav.links a:hover{color:var(--ink)}
nav.links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--amber);transition:width .25s}
nav.links a:hover::after{width:100%}
.lang{display:flex;border:1px solid var(--line);border-radius:99px;overflow:hidden;font-family:"JetBrains Mono",monospace;font-size:12.5px}
.lang button{background:none;border:0;color:var(--ink-faint);padding:6px 11px;cursor:pointer;font-family:inherit;font-size:inherit;transition:.2s}
.lang button.on{background:var(--amber);color:#1a1206;font-weight:700}
.nav-toggle{display:none}

/* ---------- BLOG INDEX ---------- */
.blog-head{padding:70px 0 14px}
.seclabel{font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--amber);
  letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.seclabel::before{content:"//";color:var(--ink-faint)}
h1.page{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;letter-spacing:-1.4px;
  font-size:clamp(2.2rem,5.4vw,3.6rem);line-height:1.04;margin-bottom:12px}
.page-intro{color:var(--ink-dim);max-width:62ch;font-size:1.05rem}
.filters{display:flex;flex-wrap:wrap;gap:9px;margin:30px 0 6px}
.filt{font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:99px;padding:6px 14px;background:#0f1116;cursor:pointer;transition:.2s}
.filt:hover{border-color:var(--amber);color:var(--ink)}
.filt.on{background:var(--amber);color:#1a1206;border-color:var(--amber);font-weight:700}

.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:30px 0 60px}
.post{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;transition:transform .2s,border-color .2s;position:relative;overflow:hidden}
.post::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--amber);transform:scaleY(0);transform-origin:top;transition:transform .25s}
.post:hover{transform:translateY(-4px)}
.post:hover::before{transform:scaleY(1)}
.post.feat{grid-column:span 2;background:linear-gradient(110deg,var(--panel),#191d26)}
.post.feat::before{background:var(--mint)}
.post-tag{font-family:"JetBrains Mono",monospace;font-size:11px;text-transform:uppercase;letter-spacing:.5px;
  color:var(--mint-deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.post-tag .soon{color:var(--ink-faint);border:1px solid var(--line);border-radius:99px;padding:2px 8px;letter-spacing:0;text-transform:none}
.post h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:1.28rem;line-height:1.18;letter-spacing:-.4px;margin-bottom:10px}
.post.feat h3{font-size:1.7rem}
.post p{color:var(--ink-dim);font-size:.96rem}
.post .read{margin-top:auto;padding-top:18px;font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--amber);display:flex;align-items:center;gap:7px}
.post .read .arr{transition:transform .2s}.post:hover .read .arr{transform:translateX(4px)}

/* ---------- ARTICLE ---------- */
.art-head{padding:60px 0 30px;border-bottom:1px solid var(--line-soft)}
.crumb{font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--ink-faint);margin-bottom:22px}
.crumb a:hover{color:var(--amber)}
.art-tag{font-family:"JetBrains Mono",monospace;font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--mint-deep);margin-bottom:16px}
h1.art{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;letter-spacing:-1.2px;
  font-size:clamp(2rem,4.8vw,3.1rem);line-height:1.06;max-width:18ch}
.art-meta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:22px;color:var(--ink-faint);font-family:"JetBrains Mono",monospace;font-size:13px}
.art-meta .av{display:flex;align-items:center;gap:9px;color:var(--ink-dim)}
.art-meta .av b{color:var(--ink)}
.lede{font-size:1.22rem;line-height:1.5;color:var(--ink);max-width:var(--readw);margin:34px auto 0;font-weight:500}

article.body{max-width:var(--readw);margin:0 auto;padding:18px 0 40px}
article.body h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;letter-spacing:-.6px;
  font-size:1.7rem;margin:46px 0 14px;line-height:1.1}
article.body h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:1.25rem;margin:32px 0 10px}
article.body p{margin:0 0 18px;color:#d9d6cd}
article.body strong{color:var(--ink)}
article.body a.link{color:var(--mint);border-bottom:1px solid rgba(111,247,176,.4)}
article.body a.link:hover{border-color:var(--mint)}
article.body ul,article.body ol{margin:0 0 20px 0;padding-left:22px;color:#d9d6cd}
article.body li{margin:0 0 9px}
article.body blockquote{border-left:3px solid var(--amber);background:#13151b;
  padding:16px 22px;margin:24px 0;border-radius:0 10px 10px 0;color:var(--ink);font-size:1.05rem}
article.body code{font-family:"JetBrains Mono",monospace;font-size:.86em;background:#0f1116;
  border:1px solid var(--line-soft);border-radius:6px;padding:2px 6px;color:var(--mint)}
article.body pre{background:#0c0d12;border:1px solid var(--line);border-radius:12px;
  padding:20px;overflow-x:auto;margin:0 0 24px;box-shadow:var(--shadow)}
article.body pre code{background:none;border:0;padding:0;color:#cdd3df;font-size:13.5px;line-height:1.7}
.callout{display:flex;gap:14px;background:linear-gradient(110deg,#16191f,#191d26);
  border:1px solid var(--line);border-left:3px solid var(--mint);border-radius:10px;
  padding:18px 20px;margin:26px 0;font-size:.98rem;color:var(--ink-dim)}
.callout .ico{font-size:1.3rem}
.tldr{background:#13151b;border:1px solid var(--line);border-radius:12px;padding:22px 24px;margin:30px auto;max-width:var(--readw)}
.tldr h4{font-family:"JetBrains Mono",monospace;font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:var(--amber);margin-bottom:12px}
.tldr ul{margin:0;padding-left:20px}

.art-cta{max-width:var(--readw);margin:30px auto;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(111,247,176,.25);background:var(--panel);position:relative;padding:28px}
.art-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at 90% -10%,rgba(111,247,176,.12),transparent 60%)}
.art-cta.sec{border-color:rgba(255,171,61,.25)}
.art-cta.sec::before{background:radial-gradient(420px 200px at 90% -10%,rgba(255,171,61,.13),transparent 60%)}
.art-cta>*{position:relative}
.art-cta .k{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-faint);margin-bottom:8px}
.art-cta h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:1.4rem;margin-bottom:6px}
.art-cta p{color:var(--ink-dim);font-size:.96rem;margin-bottom:18px}
.author{display:flex;gap:16px;align-items:center;max-width:var(--readw);margin:30px auto;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.author .ph{width:54px;height:54px;border-radius:12px;background:linear-gradient(135deg,var(--amber),var(--amber-deep));
  display:grid;place-items:center;font-family:"Bricolage Grotesque";font-weight:700;color:#1a1206;font-size:1.4rem;flex-shrink:0}
.author .who b{font-family:"Bricolage Grotesque";font-size:1.05rem}
.author .who p{color:var(--ink-dim);font-size:.92rem;margin-top:3px}
.author .who a{color:var(--mint)}

/* ---------- buttons / footer / reveal (shared) ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:11px;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--amber);color:#1a1206;box-shadow:0 12px 28px -12px rgba(255,171,61,.7)}
.btn.primary:hover{background:var(--amber-deep)}
.btn.mint{background:var(--mint);color:#06120b;box-shadow:0 12px 28px -12px rgba(111,247,176,.6)}
.btn.mint:hover{background:var(--mint-deep)}
.btn.ghost{border-color:var(--line);color:var(--ink);background:#0f1116}
.btn.ghost:hover{border-color:var(--mint);color:var(--mint)}
.btn .arr{transition:transform .2s}.btn:hover .arr{transform:translateX(3px)}

footer{border-top:1px solid var(--line-soft);padding:30px 0;margin-top:30px}
.foot-in{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;color:var(--ink-faint);font-family:"JetBrains Mono",monospace;font-size:12.5px}
.foot-in a:hover{color:var(--amber)}

.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

@media(max-width:860px){
  .blog-grid{grid-template-columns:1fr}
  .post.feat{grid-column:span 1}
  nav.links{display:none}
  nav.links.open{display:flex;position:absolute;top:62px;left:0;right:0;flex-direction:column;background:var(--bg-soft);padding:18px 24px;border-bottom:1px solid var(--line);gap:16px}
  .nav-toggle{display:inline-flex;margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:7px 10px;cursor:pointer;font-size:16px}
  .lang{margin-left:10px}
}