/* ───────────────────────────────────────────────────────
   Shared blog stylesheet — matches portfolio aesthetic
   ─────────────────────────────────────────────────────── */
:root{
  --bg:#06101c;
  --bg2:#0a1626;
  --bg3:#06182c;
  --blue:#38bdf8;
  --orange:#22d3ee;
  --yellow:#fc6;
  --text:#c5d3e0;
  --dim:#8196ad;
  --line:rgba(56,189,248,.12);
  --line-d:rgba(56,189,248,.06);
  --mono:'Space Mono','Courier New',monospace;
  --body:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  background-image:
    radial-gradient(circle at 20% 10%,rgba(56,189,248,.04),transparent 50%),
    radial-gradient(circle at 80% 80%,rgba(34,211,238,.03),transparent 50%);
  background-attachment:fixed;
}

.scanline{position:fixed;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 3px,rgba(56,189,248,.012) 3px,rgba(56,189,248,.012) 4px);pointer-events:none;z-index:998}

/* NAV */
.bnav{
  position:fixed;top:0;left:0;right:0;z-index:200;height:60px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 36px;
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(20px);
  background:rgba(2,12,24,.92);
}
.bnav-l{display:flex;align-items:center;gap:18px;font-family:var(--mono);font-size:.7rem;letter-spacing:2px;text-transform:uppercase}
.bnav-l a{color:var(--blue);text-decoration:none;display:flex;align-items:center;gap:8px}
.bnav-l a::before{content:'';width:7px;height:7px;background:var(--orange);border-radius:50%;box-shadow:0 0 8px var(--orange);animation:pd 2s ease-in-out infinite}
@keyframes pd{0%,100%{opacity:1}50%{opacity:.4}}
.bnav-l .crumb{color:var(--dim)}
.bnav-l .crumb::before{content:'/';margin-right:18px;color:var(--dim)}
.bnav-r{display:flex;gap:18px;font-family:var(--mono);font-size:.65rem;letter-spacing:2px;text-transform:uppercase}
.bnav-r a{color:var(--dim);text-decoration:none;transition:color .2s}
.bnav-r a:hover{color:var(--blue)}
.bnav-r a.back{color:var(--orange)}

/* CONTAINER */
.wrap{max-width:1100px;margin:0 auto;padding:120px 32px 80px;position:relative;z-index:10}

/* HEADER */
.post-meta{font-family:var(--mono);font-size:.62rem;color:var(--orange);letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.post-meta::before{content:'';width:18px;height:1px;background:var(--orange)}
.post-meta .dot{width:3px;height:3px;background:var(--dim);border-radius:50%}
.post-meta .tag{color:var(--blue)}

h1.post-title{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(2rem,4vw,3.4rem);
  color:#fff;letter-spacing:1px;line-height:1.1;
  margin-bottom:18px;
}
h1.post-title em{color:var(--blue);font-style:normal}
h1.post-title .accent{color:var(--orange)}

.post-lede{font-size:1.05rem;color:var(--text);max-width:780px;margin-bottom:28px;line-height:1.75}
.post-lede strong{color:var(--blue)}

.byline{display:flex;gap:20px;flex-wrap:wrap;font-family:var(--mono);font-size:.62rem;color:var(--dim);letter-spacing:1px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:48px}
.byline span{display:inline-flex;align-items:center;gap:6px}
.byline span::before{content:'▸';color:var(--orange)}

/* SECTIONS */
.sec{margin-bottom:54px}
.sec h2{
  font-family:var(--mono);font-size:1.15rem;color:#fff;letter-spacing:2px;text-transform:uppercase;
  margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
}
.sec h2::before{
  content:attr(data-num);
  font-size:.6rem;color:var(--orange);background:rgba(34,211,238,.06);
  border:1px solid rgba(34,211,238,.3);padding:3px 8px;letter-spacing:2px;
}
.sec h3{font-family:var(--mono);font-size:.85rem;color:var(--blue);letter-spacing:1px;text-transform:uppercase;margin:22px 0 10px;display:flex;gap:8px;align-items:center}
.sec h3::before{content:'>>';color:var(--orange);font-size:.7rem}

.sec p{margin-bottom:14px;font-size:.95rem}
.sec p strong{color:var(--blue)}
.sec p em{color:var(--orange);font-style:normal}
.sec ul{list-style:none;margin:10px 0 18px}
.sec ul li{padding:6px 0 6px 18px;position:relative;font-size:.92rem;border-bottom:1px solid var(--line-d)}
.sec ul li::before{content:'▸';position:absolute;left:0;color:var(--orange);font-size:.7rem;top:8px}
.sec ul li strong{color:var(--blue)}

/* CALLOUT */
.callout{
  border-left:2px solid var(--orange);
  background:rgba(34,211,238,.03);
  padding:16px 20px;margin:20px 0;
  font-family:var(--mono);font-size:.82rem;color:var(--text);
}
.callout::before{content:'NOTE ::';color:var(--orange);font-size:.62rem;letter-spacing:2px;display:block;margin-bottom:6px}

/* CODE */
code,kbd{font-family:var(--mono);font-size:.82rem;background:rgba(56,189,248,.06);border:1px solid var(--line);padding:1px 6px;color:var(--blue);border-radius:2px}
pre{
  font-family:var(--mono);font-size:.78rem;
  background:var(--bg2);border:1px solid var(--line);
  padding:18px;margin:16px 0;overflow-x:auto;line-height:1.6;color:var(--text);
}
pre .k{color:var(--orange)}
pre .c{color:var(--dim)}
pre .s{color:var(--blue)}

/* VIZ FRAME */
.viz{
  border:1px solid var(--line);
  background:rgba(56,189,248,.015);
  margin:20px 0;
  position:relative;
}
.viz-hdr{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:.6rem;color:var(--orange);letter-spacing:2px;text-transform:uppercase;
  padding:10px 16px;border-bottom:1px solid var(--line);
  background:rgba(34,211,238,.02);
}
.viz-hdr::before{content:'';width:5px;height:5px;background:var(--orange);border-radius:50%;margin-right:8px;display:inline-block;vertical-align:middle}
.viz-hdr .right{color:var(--blue);font-size:.55rem}
.viz-body{padding:22px}
.viz-grid{display:grid;gap:18px}
.viz-canvas{
  display:block;width:100%;
  background:#010812;
  border:1px solid var(--line);
}

/* CONTROLS */
.ctrls{display:grid;gap:14px;grid-template-columns:1fr 1fr;align-content:start}
.ctrl{display:flex;flex-direction:column;gap:6px}
.ctrl-l{font-family:var(--mono);font-size:.6rem;color:var(--dim);letter-spacing:1px;text-transform:uppercase;display:flex;justify-content:space-between}
.ctrl-l .v{color:var(--blue)}
.ctrl input[type=range]{
  -webkit-appearance:none;appearance:none;
  background:transparent;width:100%;height:18px;cursor:pointer;
}
.ctrl input[type=range]::-webkit-slider-runnable-track{
  height:2px;background:linear-gradient(90deg,var(--blue),var(--orange));
}
.ctrl input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:14px;height:14px;background:var(--blue);border:2px solid #000;
  border-radius:50%;margin-top:-6px;
  box-shadow:0 0 8px var(--blue);
}
.ctrl input[type=range]::-moz-range-track{height:2px;background:linear-gradient(90deg,var(--blue),var(--orange))}
.ctrl input[type=range]::-moz-range-thumb{width:12px;height:12px;background:var(--blue);border:2px solid #000;border-radius:50%;box-shadow:0 0 8px var(--blue)}

.btnrow{display:flex;gap:6px;flex-wrap:wrap}
button.bbtn{
  font-family:var(--mono);font-size:.6rem;letter-spacing:1px;text-transform:uppercase;
  padding:7px 14px;background:transparent;
  border:1px solid rgba(56,189,248,.3);color:var(--blue);cursor:pointer;
  transition:all .2s;
}
button.bbtn:hover,button.bbtn.on{background:var(--blue);color:#000}
button.bbtn.alt{border-color:rgba(34,211,238,.35);color:var(--orange)}
button.bbtn.alt:hover,button.bbtn.alt.on{background:var(--orange);color:#000}

select.bsel{
  font-family:var(--mono);font-size:.62rem;letter-spacing:1px;text-transform:uppercase;
  background:var(--bg2);border:1px solid var(--line);color:var(--blue);
  padding:7px 10px;cursor:pointer;
}

.kvs{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-family:var(--mono);font-size:.7rem}
.kvs .k{color:var(--orange);letter-spacing:1px}
.kvs .v{color:var(--blue)}

.eqn{
  font-family:var(--mono);font-size:.85rem;
  background:rgba(56,189,248,.04);
  border:1px dashed var(--line);
  padding:14px 18px;margin:14px 0;color:var(--blue);
  letter-spacing:.5px;text-align:center;
}
.eqn .var{color:var(--orange)}

/* FOOTNAV */
.footnav{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 0;margin-top:60px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.7rem;letter-spacing:1px;
}
.footnav a{color:var(--blue);text-decoration:none;display:flex;align-items:center;gap:6px}
.footnav a:hover{color:var(--orange)}

/* RESPONSIVE */
@media(max-width:760px){
  .wrap{padding:90px 18px 60px}
  .ctrls{grid-template-columns:1fr}
  .bnav{padding:0 18px}
  .bnav-l .crumb{display:none}
  .bnav-r a:not(.back){display:none}
}