@font-face{font-family:"Bricolage Grotesque";src:url(/assets/fonts/bricolage.woff2) format("woff2");font-weight:500 800;font-style:normal;font-display:swap}
@font-face{font-family:"Geist";src:url(/assets/fonts/geist.woff2) format("woff2");font-weight:400 600;font-style:normal;font-display:swap}
:root{
  --bg:#F7F8FB; --surface:#FFFFFF; --soft:#EEF1F8; --ink:#10162F; --muted:#5C6479; --rule:#E3E6EE;
  --accent:#3B5BFD; --accent-ink:#FFFFFF; --mint:#12A57E;
  --code-bg:#10162F; --code-ink:#DCE3F2;
  --display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --sans:"Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#171C2B; --surface:#1F2537; --soft:#262D42; --ink:#EDF0F7; --muted:#A3ABC0; --rule:#323A52;
  --accent:#8EA2FF; --accent-ink:#10162F; --mint:#4FD6AE; --code-bg:#0F1322;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 80px);scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
img{max-width:100%;height:auto;display:block}
.container{max-width:1160px;margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}

/* Nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--rule)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:11;background:var(--bg)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{font-family:var(--display);font-weight:700;font-size:1.1rem;text-decoration:none;letter-spacing:-.01em;color:var(--ink)}
.nav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;color:var(--muted);font-size:.95rem;padding:.4rem .75rem;border-radius:999px}
.nav ul a:hover,.nav ul a[aria-current]{color:var(--ink);background:var(--soft)}
.nav-right{display:flex;align-items:center;gap:.5rem}
.theme{border:1px solid var(--rule);background:var(--surface);color:var(--ink);width:38px;height:38px;border-radius:50%;cursor:pointer;display:grid;place-items:center;font-size:1rem}

/* Blog index */
.blog-head{padding:clamp(2.5rem,6vw,4rem) 0 clamp(1.5rem,4vw,2.5rem)}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--muted);background:var(--surface);border:1px solid var(--rule);padding:.35rem .8rem .35rem .65rem;border-radius:999px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint)}
.blog-head h1{font-family:var(--display);font-weight:800;font-size:clamp(2rem,4vw,3rem);line-height:1.05;letter-spacing:-.03em;margin:1rem 0 .8rem;max-width:20em}
.blog-head p{color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.2rem);max-width:46ch;margin:0}
.posts{list-style:none;margin:0;padding:0 0 5rem;display:grid;gap:1rem}
.post-card{display:grid;grid-template-columns:10rem minmax(0,1fr);gap:2rem;padding:1.75rem 0;border-top:1px solid var(--rule)}
.post-card:last-child{border-bottom:1px solid var(--rule)}
.post-card time{color:var(--muted);font-size:.92rem;font-variant-numeric:tabular-nums;padding-top:.3rem}
.post-card h2{font-family:var(--display);font-weight:700;font-size:clamp(1.35rem,2.4vw,1.75rem);letter-spacing:-.02em;line-height:1.2;margin:0 0 .5rem}
.post-card h2 a{color:var(--ink);text-decoration:none}
.post-card h2 a:hover{color:var(--accent)}
.post-card p{margin:0 0 .8rem;color:var(--muted);max-width:62ch}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:0;padding:0}
.tags li{font-size:.8rem;font-weight:500;padding:.2rem .6rem;border-radius:999px;background:var(--soft);color:var(--ink)}
@media (max-width:640px){.post-card{grid-template-columns:minmax(0,1fr);gap:.3rem}}

/* Article */
.article{max-width:740px;margin:0 auto;padding:clamp(2.5rem,7vw,4.5rem) clamp(1.25rem,4vw,2.5rem) 4rem}
.crumbs{font-size:.9rem;color:var(--muted);margin:0 0 1.5rem}
.crumbs a{color:var(--muted)}
.article h1{font-family:var(--display);font-weight:800;font-size:clamp(2.1rem,5vw,3.3rem);line-height:1.02;letter-spacing:-.035em;margin:0 0 1.1rem}
.meta{display:flex;flex-wrap:wrap;gap:.4rem 1rem;color:var(--muted);font-size:.93rem;margin-bottom:2rem;align-items:center}
.lede{font-size:1.2rem;line-height:1.55;color:var(--ink);margin:0 0 2rem}
.article h2{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3vw,1.95rem);letter-spacing:-.025em;line-height:1.15;margin:3rem 0 .9rem}
.article h3{font-size:1.15rem;font-weight:600;margin:2rem 0 .6rem}
.article p,.article li{max-width:68ch}
.article ul,.article ol{padding-left:1.25rem}
.article li{margin:.4rem 0}
.article li::marker{color:var(--accent)}
.article :not(pre)>code{font-family:var(--mono);font-size:.88em;background:var(--soft);padding:.1em .35em;border-radius:5px;overflow-wrap:anywhere}
.article pre{background:var(--code-bg);color:var(--code-ink);font-family:var(--mono);font-size:.85rem;line-height:1.6;padding:1.2rem 1.3rem;border-radius:14px;overflow-x:auto;margin:1.5rem 0}
.article pre code{font-family:inherit}
.callout{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--accent);border-radius:12px;padding:1rem 1.2rem;margin:1.75rem 0}
.callout p{margin:0}
.author{display:flex;gap:1rem;align-items:center;margin-top:3.5rem;padding:1.4rem;background:var(--surface);border:1px solid var(--rule);border-radius:18px}
.author img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none}
.author p{margin:0;font-size:.97rem;color:var(--muted)}
.author strong{color:var(--ink);display:block;font-weight:600}

footer{padding:2rem 0 2.5rem;color:var(--muted);font-size:.875rem;border-top:1px solid var(--rule)}
footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
footer a{color:var(--muted)}
@media (max-width:760px){.nav ul li:not(.keep){display:none}}
.article figure{margin:2rem 0}
.article figure img{width:100%;height:auto;border-radius:14px;border:1px solid var(--rule)}
.article figcaption{font-size:.9rem;color:var(--muted);margin-top:.6rem;text-align:center}
.article a.zoom{display:block;cursor:zoom-in;border-radius:14px}
.lightbox{border:0;padding:0;margin:auto;background:transparent;max-width:min(96vw,1800px);max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(10,14,30,.88)}
.lightbox img{max-width:min(96vw,1800px);max-height:88vh;width:auto;height:auto;border-radius:10px;display:block;cursor:zoom-out}
.lightbox button{position:fixed;top:calc(env(safe-area-inset-top,0px) + 1rem);right:1rem;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:1.4rem;line-height:1;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.28)}