/* akanjilal.dev shared styles for landing page and blog */
:root{
  --paper:#F4F6FB; --surface:#FFFFFF; --ink:#10131C; --muted:#586079; --faint:#8B92A8;
  --hairline:#DCE1EE; --grid:rgba(16,19,28,0.035);
  --accent:#4B3FE4; --accent-ink:#3A2FC9; --accent-soft:rgba(75,63,228,0.08);
  --chip:#EDEFF7; --live:#1F9D7A;
  --code-bg:#0C0F22; --code-ink:#E7E9F6; --code-faint:#7E86B0; --code-str:#9FE8C9; --code-kw:#9D8BFF;
  --maxw:1080px; --readw:680px;
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#0C0F22; --surface:#12162E; --ink:#E9EBF6; --muted:#9AA0BC; --faint:#6D7396;
    --hairline:#242A4A; --grid:rgba(255,255,255,0.035);
    --accent:#8E80FF; --accent-ink:#A89DFF; --accent-soft:rgba(142,128,255,0.12);
    --chip:#1B2042; --live:#42C79C;
    --code-bg:#080B1A; --code-ink:#E7E9F6;
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"IBM Plex Sans",system-ui,sans-serif;background:var(--paper);color:var(--ink);
  line-height:1.55;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:32px 32px;
}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}

/* top bar */
.bar{position:sticky;top:0;z-index:10;backdrop-filter:blur(8px);
  background:color-mix(in srgb,var(--paper) 82%,transparent);border-bottom:1px solid var(--hairline)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{font-family:"IBM Plex Mono",monospace;font-weight:600;letter-spacing:-0.02em;font-size:15px}
.brand .dot{color:var(--accent)}
.nav{display:flex;gap:22px;font-family:"IBM Plex Mono",monospace;font-size:13px}
.nav a{color:var(--muted);transition:color .15s}
.nav a:hover{color:var(--ink)}

/* hero (landing) */
.hero{padding:84px 0 36px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:10px;margin-bottom:30px}
.eyebrow .pin{width:7px;height:7px;border-radius:50%;background:var(--live);box-shadow:0 0 0 4px color-mix(in srgb,var(--live) 18%,transparent)}
.name{font-family:"IBM Plex Mono",monospace;font-weight:600;letter-spacing:-0.03em;font-size:clamp(34px,7vw,68px);line-height:1.02}
.role{font-family:"IBM Plex Mono",monospace;color:var(--muted);font-size:clamp(13px,1.6vw,15px);margin-top:14px;letter-spacing:0.01em}
.thesis{font-size:clamp(22px,3.6vw,34px);font-weight:600;letter-spacing:-0.02em;max-width:900px;margin:34px 0 0;line-height:1.18}
.thesis .hl{color:var(--accent);font-style:normal}
.pitch{color:var(--muted);font-size:clamp(15px,1.9vw,17px);max-width:900px;margin-top:20px;text-align:justify}
.cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{font-family:"IBM Plex Mono",monospace;font-size:13.5px;padding:11px 18px;border-radius:9px;border:1px solid var(--hairline);background:var(--surface);transition:transform .12s,border-color .15s;display:inline-block}
.btn:hover{transform:translateY(-1px);border-color:var(--accent)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
.scale{margin-top:58px;border-top:1px solid var(--hairline);padding-top:16px}
.scale-cap{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--faint);letter-spacing:0.14em;text-transform:uppercase;margin-bottom:14px}
.ticks{display:flex;gap:0;flex-wrap:wrap}
.tick{flex:1 1 150px;border-left:1px solid var(--hairline);padding:10px 0 2px 12px;position:relative}
.tick::before{content:"";position:absolute;left:-1px;top:0;width:1px;height:14px;background:var(--accent)}
.tick .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--faint)}
.tick .l{font-weight:600;font-size:15px;margin-top:2px}

/* sections (landing) */
section{padding:64px 0}
.seclabel{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--accent);letter-spacing:0.16em;text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:30px}
.seclabel::after{content:"";flex:1;height:1px;background:var(--hairline)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--hairline);border-radius:14px;padding:24px;display:flex;flex-direction:column;transition:transform .14s,border-color .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 12px 30px -18px color-mix(in srgb,var(--accent) 50%,transparent)}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.repo{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:15.5px}
.chip{font-family:"IBM Plex Mono",monospace;font-size:10.5px;padding:3px 9px;border-radius:20px;background:var(--chip);color:var(--muted);letter-spacing:0.04em;white-space:nowrap;flex:0 0 auto}
.chip.live{background:color-mix(in srgb,var(--live) 16%,transparent);color:var(--live)}
.card p{color:var(--muted);font-size:14.5px;flex:1}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}
.tag{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--faint)}
.tag::before{content:"#";opacity:.5}
.card .go{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--accent);margin-top:18px}
.roadmap{margin-top:22px;border:1px dashed var(--hairline);border-radius:12px;padding:18px 22px}
.roadmap .rl{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--faint);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:12px}
.roadmap .items{display:flex;gap:10px;flex-wrap:wrap}
.roadmap .it{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--muted);background:var(--paper);border:1px solid var(--hairline);border-radius:7px;padding:6px 11px}
.bg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}
.bg-col h3{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint);letter-spacing:0.14em;text-transform:uppercase;margin-bottom:16px}
.bg-item{padding:12px 0;border-top:1px solid var(--hairline)}
.bg-item:first-of-type{border-top:none;padding-top:0}
.bg-item .t{font-weight:600;font-size:15px}
.bg-item .s{color:var(--muted);font-size:13.5px;margin-top:2px}

/* publications */
.pub-note{color:var(--muted);font-size:14.5px;margin:-12px 0 22px}
.pubs{max-height:310px;overflow-y:auto;border:1px solid var(--hairline);border-radius:14px;
  background:var(--surface);padding:4px 26px;box-shadow:0 1px 2px rgba(16,19,28,0.03);
  scrollbar-width:thin;scrollbar-color:var(--hairline) transparent}
.pubs:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.pubs::-webkit-scrollbar{width:8px}
.pubs::-webkit-scrollbar-thumb{background:var(--hairline);border-radius:8px}
.pubs::-webkit-scrollbar-track{background:transparent}
.pub{display:grid;grid-template-columns:54px 1fr;gap:22px;align-items:start;
  padding:22px 0;border-top:1px solid var(--hairline)}
.pub:first-child{border-top:none}
.pub-yr{font-size:13px;color:var(--accent);padding-top:1px;letter-spacing:0.02em}
.pub .t{font-weight:600;font-size:16px;line-height:1.45;display:block}
a.t{transition:color .15s ease}
a.t:hover{color:var(--accent)}
.pub .s{color:var(--muted);font-size:13.5px;margin-top:5px;line-height:1.5}
.pub .doi{display:inline-block;margin-top:13px}
.pub .doi img{display:block;height:21px}
@media (max-width:560px){
  .pub{grid-template-columns:1fr;gap:6px}
  .pub-yr{padding-top:0}
}

/* footer */
footer{border-top:1px solid var(--hairline);padding:46px 0 60px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot .links{display:flex;gap:20px;font-family:"IBM Plex Mono",monospace;font-size:13.5px}
.foot .links a{color:var(--muted);transition:color .15s}
.foot .links a:hover{color:var(--accent)}
.foot .copy{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint)}

/* ---------- blog list ---------- */
.page-head{padding:72px 0 8px}
.page-head .kicker{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--accent);letter-spacing:0.16em;text-transform:uppercase}
.page-head h1{font-family:"IBM Plex Mono",monospace;font-weight:600;letter-spacing:-0.02em;font-size:clamp(28px,5vw,44px);margin-top:14px}
.page-head p{color:var(--muted);max-width:56ch;margin-top:14px;font-size:16px}
.posts{padding:40px 0 24px;display:flex;flex-direction:column;gap:2px}
.post-item{display:block;border-top:1px solid var(--hairline);padding:26px 0;transition:padding-left .16s}
.post-item:hover{padding-left:10px}
.post-item .meta{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint);display:flex;gap:14px;flex-wrap:wrap}
.post-item h2{font-size:22px;letter-spacing:-0.01em;margin:8px 0 6px}
.post-item:hover h2{color:var(--accent)}
.post-item .ex{color:var(--muted);font-size:15px;max-width:64ch}
.post-item .tags{margin-top:12px}

/* ---------- article ---------- */
.article{padding:56px 0 24px}
.back{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--muted);display:inline-block;margin-bottom:28px}
.back:hover{color:var(--accent)}
.article-head{max-width:var(--readw);margin:0 auto}
.article-head .meta{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--faint);display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.article-head h1{font-size:clamp(28px,4.5vw,40px);letter-spacing:-0.02em;line-height:1.12}
.article-head .standfirst{color:var(--muted);font-size:18px;margin-top:18px;line-height:1.5}
.prose{max-width:var(--readw);margin:42px auto 0}
.prose h2{font-family:"IBM Plex Mono",monospace;font-size:21px;letter-spacing:-0.01em;margin:44px 0 14px;padding-top:8px}
.prose h3{font-size:17px;margin:28px 0 10px}
.prose p{margin:0 0 18px;font-size:16.5px;color:var(--ink)}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{margin:7px 0;font-size:16.5px}
.prose a{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent)}
.prose a:hover{border-bottom-color:var(--accent)}
.prose strong{font-weight:600}
.prose code{font-family:"IBM Plex Mono",monospace;font-size:0.86em;background:var(--accent-soft);color:var(--accent-ink);padding:2px 6px;border-radius:5px}
.prose pre{background:var(--code-bg);color:var(--code-ink);border-radius:12px;padding:20px 22px;overflow-x:auto;margin:0 0 22px;font-size:13.5px;line-height:1.6;border:1px solid var(--hairline)}
.prose pre code{font-family:"IBM Plex Mono",monospace;background:none;color:inherit;padding:0;border-radius:0;font-size:13.5px}
.prose pre .c{color:var(--code-faint)}
.prose pre .s{color:var(--code-str)}
.prose pre .k{color:var(--code-kw)}
.prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:0 0 22px;color:var(--muted);font-size:16.5px}
.prose .callout{background:var(--surface);border:1px solid var(--hairline);border-left:3px solid var(--accent);border-radius:10px;padding:18px 20px;margin:0 0 22px}
.prose .callout p{margin:0;font-size:15.5px}
.prose figure{margin:0 0 22px}
.prose figcaption{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint);margin-top:8px}

/* long-form teaching post: part dividers, plain-language leads, key-idea boxes, framed diagrams, display equations */
.prose h2.part{font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:64px 0 8px;padding-top:22px;border-top:1px solid var(--hairline)}
.prose h2.part + h2{margin-top:14px}
.prose .breath{background:var(--surface);border:1px solid var(--hairline);border-left:3px solid var(--live);border-radius:10px;padding:16px 20px;margin:0 0 22px;font-size:16px;color:var(--muted)}
.prose .breath strong{color:var(--ink);font-weight:600}
.prose blockquote.keyidea{background:var(--accent-soft);border:1px solid var(--hairline);border-left:3px solid var(--accent);border-radius:10px;padding:14px 20px;margin:0 0 22px}
.prose blockquote.keyidea p{margin:0;font-size:15.5px;color:var(--ink)}
.prose blockquote.keyidea strong{color:var(--accent-ink)}
.prose figure.qp-fig{margin:30px 0 8px}
.prose figure.qp-fig img{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--hairline);border-radius:14px;box-shadow:0 1px 3px rgba(16,19,28,.06)}
.prose .eq{font-family:"IBM Plex Mono",monospace;font-size:14.5px;text-align:center;background:var(--accent-soft);color:var(--ink);border-radius:8px;padding:12px 16px;margin:0 0 18px;overflow-x:auto}
.article-foot{max-width:var(--readw);margin:40px auto 0;border-top:1px solid var(--hairline);padding-top:24px}
.article-foot .cta-row{display:flex;gap:12px;flex-wrap:wrap}

/* a11y + motion */
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.reveal{opacity:0;transform:translateY(14px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.05s}.d2{animation-delay:.13s}.d3{animation-delay:.21s}
.d4{animation-delay:.29s}.d5{animation-delay:.37s}.d6{animation-delay:.45s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.reveal{animation:none;opacity:1;transform:none}html{scroll-behavior:auto}}

/* references section */
.refs{margin-top:8px}
.refs h2{margin-top:0}
.refs ol{margin:0 0 0 22px}
.refs li{margin:12px 0;font-size:15px;color:var(--muted);line-height:1.5}
.refs li a{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent);word-break:break-word}
.refs li a:hover{border-bottom-color:var(--accent)}
.refs .src{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--faint);display:block;margin-top:2px;word-break:break-all}

/* inline architecture diagrams and infographics */
.diagram{margin:30px 0}
.diagram svg{width:100%;height:auto;display:block;font-family:"IBM Plex Sans",system-ui,sans-serif}
.diagram .box{fill:var(--surface);stroke:var(--hairline);stroke-width:1.5}
.diagram .boxa{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.5}
.diagram .lbl{fill:var(--ink);font-family:"IBM Plex Mono",ui-monospace,monospace;font-weight:500}
.diagram .sub{fill:var(--muted);font-family:"IBM Plex Sans",system-ui,sans-serif}
.diagram .num{fill:var(--accent);font-family:"IBM Plex Mono",ui-monospace,monospace;font-weight:600}
.diagram .conn{stroke:var(--hairline);stroke-width:1.5;fill:none}
.diagram .conna{stroke:var(--accent);stroke-width:1.5;fill:none}
.diagram .dot{fill:var(--accent)}
.diagram .fillink{fill:var(--ink)}
.diagram .fillmute{fill:var(--muted)}
.diagram .bar{fill:var(--accent)}
.diagram .bartrack{fill:var(--hairline)}
.diagram .band{fill:var(--accent-soft);stroke:none}

/* rendered infographic images */
.diagram img{width:100%;height:auto;display:block}

/* reference architecture detail pages: tables */
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:.95rem}
.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--hairline);vertical-align:top}
.prose thead th{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
.prose td:first-child{font-family:"IBM Plex Mono",ui-monospace,monospace;color:var(--ink)}
.prose td.range{font-family:"IBM Plex Mono",ui-monospace,monospace;color:var(--accent)}
.post-item.soon{opacity:.62}
.post-item.soon .meta span:last-child{color:var(--accent)}

/* collapsible card grids (Selected work + Reference architectures): show 3, expand for the rest */
.cards.collapsed > *:nth-child(n+4){display:none}
.show-more{display:inline-block;margin-top:20px;font-family:"IBM Plex Mono",monospace;font-size:13.5px;font-weight:500;
  padding:11px 20px;border-radius:9px;border:1px solid var(--accent);background:var(--accent);color:#fff;
  cursor:pointer;transition:background .15s,transform .12s,box-shadow .15s}
.show-more:hover{background:var(--accent-ink);transform:translateY(-1px);box-shadow:0 8px 22px -12px color-mix(in srgb,var(--accent) 70%,transparent)}