:root{
  --bg-0:#05060c;--bg-1:#0a0d17;--bg-2:#11131f;
  --ink:#f4f5fa;--ink-2:#c8cbd8;--muted:#8d92a6;--muted-2:#8e94ad;
  --line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.05);
  --teal:#2dd4bf;--cyan:#38bdf8;--indigo:#818cf8;--violet:#c084fc;--fuchsia:#e879f9;--amber:#fbbf24;
  --grad:linear-gradient(115deg,#2dd4bf 0%,#818cf8 50%,#c084fc 100%);
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:880px;--nav-h:64px;
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-xl:28px;
  --ease:cubic-bezier(.2,.7,.3,1);--dur:.28s;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 28px);background:var(--bg-0);-webkit-text-size-adjust:100%}
body{
  background:var(--bg-0);color:var(--ink);font:16px/1.7 var(--sans);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  min-height:100svh;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(720px 720px at 0% 0%,   rgba(45,212,191,.10),  transparent 65%),
    radial-gradient(640px 640px at 100% 15%,rgba(129,140,248,.13), transparent 65%),
    radial-gradient(840px 620px at 40% 100%,rgba(192,132,252,.08), transparent 65%);
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--teal)}
img,svg{display:block;max-width:100%}
button,input,textarea{font:inherit;color:inherit}
::selection{background:rgba(129,140,248,.42);color:#fff}
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:8px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.page{position:relative;z-index:2}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}

/* --- NAV --- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(5,6,12,.82);backdrop-filter:blur(18px) saturate(1.4);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid var(--line-2);padding-top:env(safe-area-inset-top,0px);
}
.nav-in{
  max-width:1160px;margin-inline:auto;padding:12px 24px;
  display:flex;align-items:center;gap:24px;min-height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;flex:none}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;font:500 .86rem var(--sans);color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 18px;border-radius:999px;font:600 .84rem var(--sans);
  background:var(--grad);color:#04121a;flex:none;
  box-shadow:0 8px 24px -10px rgba(129,140,248,.55);
  transition:transform var(--dur) var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);color:#04121a}
@media (max-width:820px){.nav-links{display:none}.nav-cta{margin-left:auto}}

/* --- PAGE HEADER --- */
main{padding-top:calc(var(--nav-h) + 60px);padding-bottom:80px}
.page-head{max-width:720px;margin-bottom:44px}
.eyebrow{font:600 .78rem var(--mono);color:var(--teal);letter-spacing:.02em;margin-bottom:14px}
.eyebrow::before{content:"// ";color:var(--indigo);font-weight:700}
h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;letter-spacing:-.035em;font-weight:800;text-wrap:balance}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.2;letter-spacing:-.025em;font-weight:800;margin:36px 0 14px}
h3{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;margin:26px 0 8px}
.lede{color:var(--ink-2);font-size:1.06rem;line-height:1.75;margin-top:18px;max-width:64ch}
.lede strong{color:var(--ink);font-weight:600}

/* --- PROSE --- */
.prose{max-width:720px}
.prose p{color:var(--ink-2);margin:14px 0}
.prose ul,.prose ol{margin:14px 0 14px 22px;color:var(--ink-2)}
.prose ul li{list-style:disc;margin:8px 0}
.prose ol li{list-style:decimal;margin:8px 0}
.prose strong{color:var(--ink);font-weight:600}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--teal)}
.prose code{
  font:.88em var(--mono);background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;
}
.prose blockquote{
  border-left:3px solid var(--teal);padding:8px 0 8px 18px;
  margin:18px 0;color:var(--muted);font-style:italic;
}

/* --- CARDS / LISTS --- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:26px}
.card{
  background:linear-gradient(180deg,var(--bg-1),#07080f);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(129,140,248,.4)}
.card h3{margin-top:0}
.card p{color:var(--muted);font-size:.94rem;line-height:1.65}
.card .meta{font:.76rem var(--mono);color:var(--muted-2);margin-top:12px;display:block}

/* --- BLOG --- */
.post-list{display:flex;flex-direction:column;gap:18px;margin-top:30px}
.post-card{
  display:block;padding:26px 26px 24px;
  background:linear-gradient(180deg,var(--bg-1),#07080f);
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.45);box-shadow:0 22px 60px -32px rgba(45,212,191,.5)}
.post-card h2{margin:0 0 8px;font-size:1.3rem;letter-spacing:-.02em}
.post-card .post-meta{font:.76rem var(--mono);color:var(--muted-2);letter-spacing:.02em}
.post-card .post-meta .tag{
  display:inline-block;padding:2px 8px;border-radius:6px;margin-right:10px;
  background:rgba(45,212,191,.12);color:#8fe9dc;border:1px solid rgba(45,212,191,.32);
}
.post-card p{color:var(--muted);margin-top:10px;line-height:1.7}

/* --- ARTICLE --- */
article.post{max-width:720px}
article.post header{margin-bottom:36px;padding-bottom:26px;border-bottom:1px solid var(--line-2)}
article.post .post-meta{font:.8rem var(--mono);color:var(--muted-2);margin-top:16px}
article.post .post-meta .tag{
  display:inline-block;padding:3px 10px;border-radius:6px;margin-right:12px;
  background:rgba(45,212,191,.12);color:#8fe9dc;border:1px solid rgba(45,212,191,.32);
}
.back-link{
  display:inline-flex;align-items:center;gap:6px;
  font:.84rem var(--mono);color:var(--muted);margin-bottom:26px;
}
.back-link:hover{color:var(--teal)}
.back-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* --- CTA BAND --- */
.band{
  margin-top:56px;padding:44px 28px;border-radius:var(--r-xl);
  text-align:center;border:1px solid var(--line);
  background:
    radial-gradient(600px 240px at 50% 0,  rgba(129,140,248,.18), transparent 70%),
    radial-gradient(400px 200px at 80% 100%,rgba(45,212,191,.12), transparent 70%),
    #07080f;
}
.band h2{margin:0 auto 12px;max-width:22ch}
.band p{color:var(--muted);max-width:52ch;margin:0 auto 26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font:600 .95rem var(--sans);border-radius:999px;padding:14px 26px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--grad);color:#04121a;box-shadow:0 10px 34px -10px rgba(129,140,248,.55)}
.btn-primary:hover{transform:translateY(-2px);color:#04121a;box-shadow:0 18px 44px -12px rgba(45,212,191,.55)}

/* --- FOOTER --- */
footer{
  border-top:1px solid var(--line-2);margin-top:60px;
  padding:48px 0 calc(48px + env(safe-area-inset-bottom,0px));
  color:var(--muted-2);font-size:.86rem;
}
.foot-in{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;flex-wrap:wrap}
.foot-brand p{margin-top:12px;max-width:38ch;line-height:1.7}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;font:.82rem var(--mono)}
.foot-links a:hover{color:var(--ink)}
.foot-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  align-items:center;font:.78rem var(--mono);
}
@media (max-width:640px){
  main{padding-top:calc(var(--nav-h) + 40px);padding-bottom:60px}
  .foot-in{flex-direction:column}
  .foot-bottom{justify-content:flex-start}
}