:root{
  --bg:#05060A; --bg-elev:#0B0D14; --surface:#0F131C; --surface-2:#141925;
  --border:rgba(255,255,255,0.08); --border-strong:rgba(255,255,255,0.16);
  --text:#F5F6FA; --text-dim:#A1A8B8; --text-mute:#6B7280;
  --cyan:#00E5FF; --violet:#8B5CF6; --magenta:#F43F98; --lime:#C4F542; --amber:#FFB545;
  --grad: linear-gradient(135deg,#00E5FF 0%,#8B5CF6 50%,#F43F98 100%);
  --grad-soft: linear-gradient(135deg,rgba(0,229,255,.15),rgba(139,92,246,.15),rgba(244,63,152,.15));
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{overflow-x:hidden;line-height:1.6}
::selection{background:var(--cyan);color:#000}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:2;opacity:.03;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='.9'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.aurora{position:fixed;inset:-20vh -10vw;z-index:0;pointer-events:none;filter:blur(80px);opacity:.35}
.aurora::before,.aurora::after{content:"";position:absolute;border-radius:50%}
.aurora::before{width:60vw;height:60vw;left:-10vw;top:-10vw;background:radial-gradient(circle,var(--cyan),transparent 60%)}
.aurora::after{width:55vw;height:55vw;right:-5vw;top:20vh;background:radial-gradient(circle,var(--violet),transparent 60%)}
.grid-bg{position:fixed;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%)}
.wrap{max-width:1080px;margin:0 auto;padding:0 clamp(20px,4vw,40px);position:relative;z-index:3}
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);background:rgba(5,6,10,.6);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;letter-spacing:-.01em}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--grad);display:grid;place-items:center}
.logo-mark::after{content:"<>";color:#000;font-weight:900;font-size:12px;line-height:1;font-family:'JetBrains Mono',monospace;letter-spacing:-.05em}
.nav-links{display:none;gap:28px;align-items:center}
.nav-links a{font-size:14px;color:var(--text-dim);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.cta-btn{padding:10px 18px;border-radius:999px;background:var(--grad);color:#000;font-weight:600;font-size:14px;box-shadow:0 8px 30px -10px rgba(0,229,255,.4);display:inline-block;transition:transform .2s}
.cta-btn:hover{transform:translateY(-2px)}
.cta-btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border-strong);box-shadow:none}
.cta-btn.xl{padding:16px 28px;font-size:15px}
@media(min-width:900px){.nav-links{display:flex}}
footer.site{padding:80px 0 40px;border-top:1px solid var(--border);background:var(--bg-elev);position:relative;z-index:3;margin-top:100px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:48px;margin-bottom:48px;max-width:1280px;margin-left:auto;margin-right:auto;padding:0 clamp(20px,4vw,40px)}
@media(min-width:760px){.foot-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.foot-col h5{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.2em;margin-bottom:20px}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.foot-col a{color:var(--text-dim);font-size:14px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-brand p{color:var(--text-dim);font-size:14px;margin:16px 0 24px;max-width:340px}
.foot-bottom{display:flex;flex-direction:column;gap:16px;padding:32px clamp(20px,4vw,40px) 0;border-top:1px solid var(--border);font-size:12px;color:var(--text-mute);justify-content:space-between;align-items:flex-start;max-width:1280px;margin:0 auto}
@media(min-width:760px){.foot-bottom{flex-direction:row;align-items:center}}
.foot-legal{display:flex;gap:20px;flex-wrap:wrap}
.float-cta{position:fixed;bottom:24px;right:24px;z-index:40;padding:14px 22px;border-radius:999px;background:var(--grad);color:#000;font-weight:700;font-size:14px;box-shadow:0 20px 60px -20px rgba(0,229,255,.7);display:flex;align-items:center;gap:10px;transition:transform .3s}
.float-cta:hover{transform:translateY(-4px) scale(1.05)}
.float-cta .pulse{width:8px;height:8px;border-radius:50%;background:#000;position:relative}
.float-cta .pulse::before{content:"";position:absolute;inset:-4px;border-radius:50%;background:#000;opacity:.4;animation:pulse2 1.5s infinite}
@keyframes pulse2{0%{transform:scale(1);opacity:.5}100%{transform:scale(2.5);opacity:0}}

/* Blog specific */
.blog-hero{padding:140px 0 60px;position:relative}
.blog-crumb{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--text-mute);letter-spacing:.15em;text-transform:uppercase;margin-bottom:24px;display:flex;gap:8px;align-items:center}
.blog-crumb a{color:var(--text-dim);transition:color .2s}
.blog-crumb a:hover{color:var(--cyan)}
.blog-crumb span{color:var(--text-mute)}
.cat-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid var(--border-strong);background:rgba(0,229,255,.05);font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:24px}
.blog-title{font-family:'Space Grotesk',sans-serif;font-size:clamp(32px,5.5vw,72px);font-weight:700;line-height:1.1;letter-spacing:-.035em;margin-bottom:24px;max-width:900px;padding-bottom:.05em}
.blog-title em{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block;padding-bottom:.08em;line-height:1}
.blog-meta{display:flex;gap:16px;align-items:center;color:var(--text-dim);font-size:14px;margin-bottom:40px}
.blog-meta .sep{color:var(--text-mute)}
.blog-lede{font-size:clamp(18px,2vw,22px);color:var(--text-dim);max-width:760px;line-height:1.5;padding:24px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:40px}

.article-body{max-width:760px;margin:0 auto}
.article-body h2{font-family:'Space Grotesk',sans-serif;font-size:clamp(26px,3.5vw,38px);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin:56px 0 20px;color:var(--text)}
.article-body h3{font-family:'Space Grotesk',sans-serif;font-size:clamp(20px,2.5vw,26px);font-weight:600;letter-spacing:-.015em;margin:40px 0 14px;color:var(--text)}
.article-body p{font-size:17px;color:var(--text-dim);margin-bottom:20px;line-height:1.7}
.article-body p strong, .article-body p b{color:var(--text);font-weight:600}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(0,229,255,.3);transition:border-color .2s}
.article-body a:hover{border-color:var(--cyan)}
.article-body ul,.article-body ol{margin:0 0 24px 24px;color:var(--text-dim)}
.article-body li{margin-bottom:10px;font-size:16px;line-height:1.6}
.article-body ul li::marker{color:var(--cyan)}
.article-body blockquote{margin:32px 0;padding:24px 28px;border-left:3px solid var(--cyan);background:var(--surface);border-radius:0 16px 16px 0;font-family:'Instrument Serif',serif;font-style:italic;font-size:20px;color:var(--text);line-height:1.4}
.article-body code{font-family:'JetBrains Mono',monospace;font-size:.9em;padding:2px 6px;border-radius:4px;background:var(--surface-2);color:var(--cyan);border:1px solid var(--border)}
.article-body pre{margin:24px 0;padding:20px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);overflow:auto;font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--text-dim);line-height:1.5}
.article-body pre code{background:transparent;border:none;padding:0;color:inherit}
.article-body hr{border:none;border-top:1px solid var(--border);margin:48px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
.article-body th{font-family:'JetBrains Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-mute);font-weight:500}
.article-body td{color:var(--text-dim)}
.article-body td b{color:var(--text)}
.callout{margin:32px 0;padding:24px;border-radius:16px;background:linear-gradient(135deg,rgba(0,229,255,.06),rgba(139,92,246,.06));border:1px solid var(--border-strong);position:relative}
.callout .c-label{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--cyan);text-transform:uppercase;letter-spacing:.15em;margin-bottom:10px}
.callout p{margin:0;color:var(--text)}
.inline-cta{margin:40px 0;padding:36px;border-radius:24px;background:var(--grad);color:#000;text-align:center}
.inline-cta h4{font-family:'Space Grotesk',sans-serif;font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:-.02em;margin-bottom:8px}
.inline-cta p{color:#000;opacity:.85;margin-bottom:20px}
.inline-cta a{padding:14px 28px;border-radius:999px;background:#000;color:#fff;font-weight:600;display:inline-block;transition:transform .2s}
.inline-cta a:hover{transform:translateY(-2px)}
.tldr{margin:32px 0;padding:28px;border-radius:20px;border:1px solid var(--border-strong);background:var(--surface)}
.tldr h4{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--cyan);text-transform:uppercase;letter-spacing:.2em;margin-bottom:14px}
.tldr ul{margin:0 0 0 20px}
.tldr li{color:var(--text);font-size:15px}
.toc{padding:24px 28px;border:1px solid var(--border);background:var(--surface);border-radius:20px;margin:32px 0}
.toc h4{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.2em;margin-bottom:14px}
.toc ol{margin-left:18px;color:var(--text-dim)}
.toc ol li{margin-bottom:6px;font-size:14px}
.toc ol li a{color:var(--text-dim);transition:color .2s}
.toc ol li a:hover{color:var(--cyan)}

.related{padding:60px 0;background:var(--bg-elev);margin-top:80px;border-top:1px solid var(--border)}
.related h3{font-family:'Space Grotesk',sans-serif;font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.02em;margin-bottom:32px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.related-card{padding:24px;border:1px solid var(--border);border-radius:20px;background:var(--surface);transition:transform .3s,border-color .3s;display:block}
.related-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.related-card .r-cat{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--cyan);text-transform:uppercase;letter-spacing:.15em;margin-bottom:10px}
.related-card h5{font-family:'Space Grotesk',sans-serif;font-size:18px;font-weight:600;letter-spacing:-.01em;line-height:1.3;color:var(--text)}

.author-box{margin:48px 0;padding:28px;border:1px solid var(--border);border-radius:20px;background:var(--surface);display:flex;gap:20px;align-items:center}
.author-box .av{width:64px;height:64px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;color:#000;font-size:22px;flex-shrink:0;font-family:'Space Grotesk',sans-serif}
.author-box .ab{font-family:'Space Grotesk',sans-serif;font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px}
.author-box p{font-size:14px;color:var(--text-dim);margin:0}

.blog-list{display:grid;grid-template-columns:1fr;gap:24px;margin-top:40px}
@media(min-width:760px){.blog-list{grid-template-columns:1fr 1fr}}
@media(min-width:1100px){.blog-list{grid-template-columns:1fr 1fr 1fr}}
.bl-card{padding:32px;border:1px solid var(--border);border-radius:24px;background:var(--surface);transition:transform .4s var(--ease),border-color .3s;display:flex;flex-direction:column;min-height:280px}
.bl-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.bl-card .cat{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--cyan);text-transform:uppercase;letter-spacing:.15em;margin-bottom:14px}
.bl-card h3{font-family:'Space Grotesk',sans-serif;font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:12px;line-height:1.2}
.bl-card p{color:var(--text-dim);font-size:14px;margin-bottom:20px;flex-grow:1}
.bl-card .meta{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid var(--border);font-size:12px;color:var(--text-mute)}
.bl-card .meta .read{color:var(--cyan)}

/* Mobile polish ≤560px */
@media(max-width:560px){
  .nav-inner{height:56px}
  .logo{font-size:14px}
  .logo-mark{width:24px;height:24px}
  .cta-btn{padding:8px 14px;font-size:12px}
  .blog-hero{padding:110px 0 40px}
  .blog-title{font-size:32px}
  .blog-lede{font-size:16px;padding:20px 0}
  .article-body h2{font-size:26px;margin:40px 0 16px}
  .article-body h3{font-size:20px;margin:28px 0 10px}
  .article-body p, .article-body li{font-size:15px}
  .article-body pre{font-size:12px;padding:14px}
  .article-body th, .article-body td{padding:8px;font-size:12px}
  .author-box{flex-direction:column;text-align:center;align-items:center}
  .related-grid{grid-template-columns:1fr}
  .inline-cta{padding:24px 20px}
  .inline-cta h4{font-size:20px}
  .inline-cta p{font-size:14px}
  .bl-card{padding:24px;min-height:0}
  .float-cta{bottom:16px;right:16px;padding:12px 18px;font-size:12px}
  .tldr, .toc, .callout{padding:20px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}