/* ============================================================
   Tijil Jha — portfolio theme (single, clean skin)
   Warm paper + ink, rust accent, muted teal secondary.
   Display: Fraunces (serif) · Body: Inter.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root{
  --bg:#fbfbfa; --text:#111110; --dim:#4e4e4b; --faint:#82827c;
  --line:#d6d6cf; --accent:#d1502a; --accent2:#3f6f6a; --card:#ffffff;
  --tagbg:#efefe9;
  --mono:'Geist Mono',ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Geist',system-ui,sans-serif;
  --radius:12px;
}
/* dark theme — applied by system preference, unless user chose light */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0a0a0a; --text:#ededeb; --dim:#a1a19c; --faint:#6a6a66;
    --line:#232320; --accent:#f06d43; --accent2:#79b3a9; --card:#131311;
    --tagbg:#1a1a17; }
}
/* dark theme — applied by explicit user choice */
:root[data-theme="dark"]{
  --bg:#0a0a0a; --text:#ededeb; --dim:#a1a19c; --faint:#6a6a66;
  --line:#232320; --accent:#f06d43; --accent2:#79b3a9; --card:#131311;
  --tagbg:#1a1a17; }

/* theme toggle — a bulb hanging from the ceiling on a wire, with a pull-cord.
   Pull the cord: lights on = white theme, lights off = dark theme. */
header.site .wrap{position:relative}
nav.main{margin-right:36px}
.pullbulb{position:absolute;top:-34px;right:24px;background:none;border:none;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;padding:0 6px;z-index:50}
.pullbulb .pb-wire{width:2px;height:38px;background:var(--faint);border-radius:1px}
.pullbulb .pb-bulb{font-size:19px;line-height:1;transform:rotate(180deg);
  filter:drop-shadow(0 0 8px rgba(255,195,55,.95));transition:filter .3s}   /* ON (light theme) */
.pullbulb .pb-cord{width:1.5px;height:15px;background:var(--faint);transform-origin:top;margin-top:2px}
.pullbulb .pb-knob{width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:2px;
  transition:transform .1s}
.pullbulb:hover .pb-knob{transform:translateY(2px)}
/* bulb OFF in dark theme — still clearly visible, just unlit */
:root[data-theme="dark"] .pullbulb .pb-bulb{
  filter:grayscale(1) brightness(.85) contrast(1.15) drop-shadow(0 0 2px rgba(255,255,255,.35))}
:root[data-theme="dark"] .pullbulb .pb-wire,
:root[data-theme="dark"] .pullbulb .pb-cord{background:#b5b5ae}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .pullbulb .pb-bulb{
    filter:grayscale(1) brightness(.85) contrast(1.15) drop-shadow(0 0 2px rgba(255,255,255,.35))}
  :root:not([data-theme="light"]) .pullbulb .pb-wire,
  :root:not([data-theme="light"]) .pullbulb .pb-cord{background:#b5b5ae}
}
/* the pull: cord stretches down, knob follows, bulb gives a little shake */
.pullbulb.pull .pb-cord{animation:cordpull .5s cubic-bezier(.36,.07,.19,.97)}
.pullbulb.pull .pb-knob{animation:knobpull .5s cubic-bezier(.36,.07,.19,.97)}
.pullbulb.pull .pb-bulb{animation:bulbshake .5s ease .1s}
@keyframes cordpull{0%{transform:scaleY(1)}38%{transform:scaleY(2.1)}68%{transform:scaleY(.8)}100%{transform:scaleY(1)}}
@keyframes knobpull{0%{transform:translateY(0)}38%{transform:translateY(17px)}68%{transform:translateY(-3px)}100%{transform:translateY(0)}}
@keyframes bulbshake{0%,100%{transform:rotate(180deg)}35%{transform:rotate(174deg)}65%{transform:rotate(185deg)}85%{transform:rotate(178deg)}}
@media (prefers-reduced-motion:reduce){
  .pullbulb.pull .pb-cord,.pullbulb.pull .pb-knob,.pullbulb.pull .pb-bulb{animation:none}
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  background-image:radial-gradient(1100px 520px at 78% -8%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%);
  color:var(--text);
  font-family:var(--sans); font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased; font-feature-settings:'cv11','ss01';
}
.wrap{max-width:680px;margin:0 auto;padding:0 24px}
a{color:var(--text);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--faint) 70%,transparent);text-underline-offset:3px;transition:.15s}
a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.accent{color:var(--accent)}

/* header / nav */
header.site{padding:34px 0 0}
header.site .row{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:12px}
.brand{font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.2px;text-decoration:none;color:var(--text)}
nav.main{display:flex;gap:20px;font-size:14px;align-items:center}
nav.main a{color:var(--dim);text-decoration:none}
nav.main a:hover,nav.main a[aria-current]{color:var(--accent)}

/* now / status strip */
.nowcard{display:flex;flex-wrap:wrap;gap:8px 26px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px;margin:26px 0 0}
.nowcard .item{font-size:13.5px;color:var(--dim);display:flex;gap:8px;align-items:baseline}
.nowcard .k{color:var(--accent2);font-family:var(--mono);font-size:11px;letter-spacing:1px;text-transform:uppercase}
.nowcard .item b{color:var(--text);font-weight:550}

/* headings / text */
section{padding:44px 0 0}
h1{font-family:var(--serif);font-size:36px;font-weight:600;letter-spacing:-1px;line-height:1.15;margin-bottom:18px}
h1 .light{color:var(--accent);font-weight:600}
h2.sec{font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--faint);margin-bottom:24px;display:flex;align-items:center;gap:12px}
h2.sec::after{content:"";flex:1;height:1px;background:var(--line)}
p{color:var(--dim);margin-bottom:16px;max-width:64ch}
p strong,b{color:var(--text);font-weight:550}
.lead{font-size:17px;color:var(--text)}

/* feature card */
.feature{display:block;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  padding:24px 26px;margin:0 0 16px;text-decoration:none;transition:.18s}
.feature:hover{border-color:var(--accent);transform:translateY(-2px)}
.feature .kick{font-family:var(--mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);font-weight:600}
.feature h3{font-family:var(--serif);font-size:21px;font-weight:600;margin:8px 0 6px;letter-spacing:-.2px;color:var(--text)}
.feature p{font-size:14.5px;margin-bottom:10px}
.feature .cta{font-size:14px;color:var(--accent);font-weight:550}

/* rows list */
ul.rows{list-style:none}
ul.rows li{display:grid;grid-template-columns:40px 1fr;gap:0 16px;padding:22px 0;border-top:1px solid var(--line)}
ul.rows li:last-child{border-bottom:1px solid var(--line)}
ul.rows .n{color:var(--faint);font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums;padding-top:5px}
ul.rows h3{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:-.1px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;color:var(--text)}
ul.rows h3 a{text-decoration:none;color:var(--text)}
ul.rows h3 a:hover{color:var(--accent)}
ul.rows h3 .meta{font-weight:400;font-size:12.5px;color:var(--faint);font-family:var(--mono)}
ul.rows p{font-size:14.5px;margin:6px 0 8px}
ul.rows .links{font-size:13.5px;display:flex;gap:16px}

/* status pill */
.status{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;
  padding:3px 9px;border:1px solid var(--line);border-radius:20px;color:var(--accent2);background:var(--tagbg)}

/* tags */
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 0}
.tag{font-size:11.5px;color:var(--dim);background:var(--tagbg);border:1px solid var(--line);border-radius:20px;padding:4px 12px;letter-spacing:.3px}

/* doc / article pages */
.backlink{display:inline-block;color:var(--faint);font-family:var(--mono);font-size:12px;letter-spacing:1px;margin:30px 0 0;text-decoration:none}
.backlink:hover{color:var(--accent)}
.doc h1{margin:22px 0 10px}
.doc .meta{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.5px;margin-bottom:8px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.doc h2{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin:34px 0 10px}
.doc p{font-size:15.5px}
.doc ul{list-style:none;margin:8px 0 16px}
.doc ul li{position:relative;padding:6px 0 6px 22px;color:var(--dim);font-size:15px;max-width:64ch}
.doc ul li::before{content:"—";position:absolute;left:0;color:var(--accent)}
.doc .callout{border-left:2px solid var(--accent);background:var(--card);border-radius:0 var(--radius) var(--radius) 0;
  padding:14px 18px;margin:18px 0;font-size:14.5px;color:var(--dim)}
.pipeline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 20px}
.pipeline .stage{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 13px;font-size:12.5px;color:var(--text);font-family:var(--mono)}
.pipeline .arrow{color:var(--accent)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0 8px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-align:center}
.metric .n{font-family:var(--serif);color:var(--accent);font-size:19px}
.metric .l{color:var(--faint);font-size:10.5px;letter-spacing:1px;text-transform:uppercase;margin-top:6px}
@media(max-width:560px){.metrics{grid-template-columns:1fr 1fr}}

/* ---- documentation layout: breadcrumb + sticky TOC ---- */
.crumb{font-family:var(--mono);font-size:12.5px;color:var(--faint);letter-spacing:.2px;
  display:flex;gap:8px;flex-wrap:wrap;max-width:1000px;margin:26px auto 0;padding:0 24px}
.crumb a{color:var(--faint);text-decoration:none}
.crumb a:hover{color:var(--accent)}
.crumb .here{color:var(--text)}
.doclayout{max-width:1000px;margin:0 auto;padding:0 24px;display:grid;
  grid-template-columns:210px 1fr;gap:52px;align-items:start}
.doclayout .doc{padding-top:14px;min-width:0}
.doclayout .doc h1{margin-top:6px}
.toc{position:sticky;top:34px;padding-top:28px}
.toc-h{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
#toc{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.toc-link{font-size:13px;color:var(--dim);text-decoration:none;padding:6px 0 6px 16px;
  margin-left:-1px;border-left:2px solid transparent;line-height:1.35;transition:.12s}
.toc-link:hover{color:var(--text)}
.toc-link.active{color:var(--accent);border-left-color:var(--accent)}
@media(max-width:820px){
  .doclayout{grid-template-columns:1fr;max-width:680px;gap:0}
  .crumb{max-width:680px}
  .toc{display:none}
}

/* let's chat button */
.chatbtn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  font-size:14.5px;font-weight:500;padding:11px 22px;border-radius:999px;margin:6px 0 26px;transition:.15s}
.chatbtn:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px)}

/* footer */
footer.site{padding:56px 0 96px}
footer.site .links{display:flex;gap:22px;font-size:14.5px;flex-wrap:wrap}
footer.site .fine{color:var(--faint);font-size:13px;margin-top:26px;font-family:var(--mono)}