/* Jatin Kant · shared styles */
:root{
  --ground:#ECEEE6; --paper:#F6F7F1; --surface:#FFFFFF; --line:#D3D8CB;
  --ink:#16201A; --muted:#58625A; --accent:#2743C8; --accent-ink:#FFFFFF;
  --brass:#A7791F; --horn:#EFE6CF; --deep:#15110C; --deep-ink:#EDE6D6; --deep-muted:#A89C87;
  --ok:#2F7D4F; --bad:#B8402F;
  --display:"Bricolage Grotesque", "Arial Narrow", system-ui, sans-serif;
  --body:"Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --max:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0F1512; --paper:#131A16; --surface:#18211C; --line:#27322B;
    --ink:#E6EBE3; --muted:#9AA59C; --accent:#8EA2FF; --accent-ink:#0F1512;
    --brass:#D8AE55; --horn:#E9DFC6; --ok:#6CC08F; --bad:#EC7A66; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ground:#0F1512; --paper:#131A16; --surface:#18211C; --line:#27322B;
  --ink:#E6EBE3; --muted:#9AA59C; --accent:#8EA2FF; --accent-ink:#0F1512;
  --brass:#D8AE55; --horn:#E9DFC6; --ok:#6CC08F; --bad:#EC7A66; color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.narrow{max-width:780px}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:1.04;margin:0;text-wrap:balance}
h2{font-size:clamp(2rem,4.4vw,3.2rem);font-variation-settings:"wdth" 85}
h3{font-size:1.45rem;font-variation-settings:"wdth" 90}
p{margin:0}
section{padding-block:clamp(64px,9vw,112px)}
.band{background:var(--paper);border-block:1px solid var(--line)}
.sec-head{display:grid;gap:14px;margin-bottom:clamp(32px,5vw,56px);max-width:62ch}
.sec-head p{color:var(--muted);font-size:1.05rem}
.lede{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:56ch}
.stack{display:grid;gap:18px}

/* ---------- header ---------- */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--ground) 84%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.1rem;font-variation-settings:"wdth" 88;white-space:nowrap}
.brand .bull{width:34px;height:31px}
.nav-links{display:flex;gap:2px;margin-left:auto}
.nav-links a{text-decoration:none;padding:6px 10px;border-radius:6px;color:var(--muted);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--ink);background:var(--paper)}
.nav-links a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--brass);border-radius:0}
.tools{display:flex;gap:8px}
.icon-btn{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:8px;cursor:pointer;font:500 .8rem var(--mono)}
.icon-btn:hover{border-color:var(--muted)}
.icon-btn svg{width:16px;height:16px}
.menu-btn{display:none}
kbd{font-family:var(--mono);font-size:.72rem;padding:1px 5px;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;background:var(--surface);color:var(--muted)}
.mobile-menu{border-top:1px solid var(--line);background:var(--ground)}
.mobile-menu nav{display:grid;padding-block:8px 14px}
.mobile-menu a{padding:12px 0;text-decoration:none;font-weight:600;font-size:1.1rem;border-bottom:1px solid var(--line)}
@media (max-width:820px){
  .nav-links{display:none}
  .tools{margin-left:auto}
  .menu-btn{display:inline-flex}
  .kbd-hint{display:none!important}
}

/* ---------- buttons, tags, links ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:9px;font-weight:600;text-decoration:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;font-family:var(--body);font-size:1rem;transition:transform .15s,border-color .15s}
.btn:hover{transform:translateY(-1px);border-color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.small{padding:8px 13px;font-size:.9rem}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font:500 .74rem var(--mono);padding:4px 9px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:var(--paper);white-space:nowrap}
.link{display:inline-flex;gap:6px;align-items:center;font-weight:600;color:var(--accent);text-decoration:none;border-bottom:1px solid currentColor;width:max-content;max-width:100%;padding-bottom:1px}
.link:hover{border-bottom-width:2px}

/* ---------- inner page head ---------- */
.page-head{padding-block:clamp(40px,7vw,80px) clamp(36px,5vw,56px);border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2.8rem,7vw,5.4rem);font-variation-settings:"wdth" 78;font-weight:800;letter-spacing:-.035em;margin-block:14px 18px}
.crumb{display:inline-flex;gap:8px;align-items:center;text-decoration:none;color:var(--muted);font:500 .8rem var(--mono);letter-spacing:.04em;margin-bottom:22px}
.crumb:hover{color:var(--accent)}
dl.facts-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0;margin:34px 0 0;border-top:1px solid var(--ink)}
dl.facts-row div{padding:14px 18px 4px 0;display:grid;gap:4px}
dl.facts-row dt{font:500 .72rem var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
dl.facts-row dd{margin:0;font-weight:600}

/* figures */
.figures{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.figures div{padding:22px 24px;display:grid;gap:6px}
.figures div + div{border-left:1px solid var(--line)}
.figures b{font-family:var(--display);font-weight:800;font-size:clamp(2rem,4vw,2.8rem);font-variation-settings:"wdth" 80;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.figures span{color:var(--muted);font-size:.95rem}
.source{margin-top:10px;font-size:.85rem;color:var(--muted)}
@media (max-width:700px){.figures{grid-template-columns:1fr}.figures div + div{border-left:0;border-top:1px solid var(--line)}}

/* two-column content block */
.split{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:clamp(24px,5vw,64px);align-items:start}
@media (max-width:820px){.split{grid-template-columns:1fr}}
.split > div:first-child{position:sticky;top:90px}
@media (max-width:820px){.split > div:first-child{position:static}}
.copy{display:grid;gap:16px;font-size:1.05rem;max-width:64ch}
.copy p{color:var(--muted)}
.copy strong{color:var(--ink);font-weight:600}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.checklist li{display:grid;grid-template-columns:18px 1fr;gap:10px;color:var(--muted)}
.checklist li::before{content:"";width:8px;height:8px;margin-top:.55em;border-radius:50%;background:var(--brass)}

/* built rows (what I did) */
.built{display:grid;border-top:1px solid var(--line)}
.built > div{display:grid;grid-template-columns:170px 1fr;gap:20px;padding-block:18px;border-bottom:1px solid var(--line)}
.built dt,.built .k{font:500 .76rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);padding-top:3px}
.built p{color:var(--muted)}
@media (max-width:600px){.built > div{grid-template-columns:1fr;gap:6px}}

/* flow diagram */
.flow{display:grid;gap:14px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:clamp(16px,3vw,28px);overflow-x:auto}
.flow-row{display:flex;align-items:stretch;gap:0;min-width:min-content}
.node{flex:1 1 0;min-width:150px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;gap:6px;align-content:start}
.node b{font-family:var(--display);font-size:1.08rem;font-variation-settings:"wdth" 88;line-height:1.15}
.node span{font-size:.86rem;color:var(--muted);line-height:1.45}
.node .mono{font-size:.66rem}
.node.key{border-color:var(--accent);box-shadow:inset 0 3px 0 var(--accent)}
.node.side{background:transparent;border-style:dashed}
.arrow{flex:0 0 38px;display:grid;place-items:center;color:var(--brass);font-family:var(--mono);font-size:1.1rem}
.flow-cap{display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--muted);font-size:.85rem}
.flow-cap i{font-style:normal;color:var(--brass);font-family:var(--mono)}

/* next project */
.next{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;text-decoration:none;padding:clamp(24px,4vw,40px);border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:border-color .15s}
.next:hover{border-color:var(--accent)}
.next b{font-family:var(--display);font-weight:800;font-size:clamp(2rem,5vw,3.2rem);font-variation-settings:"wdth" 78;letter-spacing:-.03em;line-height:1}

/* ---------- prose (notes) ---------- */
.prose{display:grid;gap:18px;font-size:1.08rem;line-height:1.7;max-width:68ch}
.prose h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-top:26px}
.prose h3{font-size:1.25rem;margin-top:8px}
.prose p,.prose li{color:color-mix(in srgb,var(--ink) 82%,var(--muted))}
.prose ul,.prose ol{margin:0;padding-left:1.3em;display:grid;gap:6px}
.prose a{color:var(--accent)}
.prose :not(pre) > code{font-family:var(--mono);font-size:.86em;background:var(--paper);border:1px solid var(--line);padding:1px 5px;border-radius:5px}
.prose blockquote{margin:0;padding:4px 0 4px 18px;border-left:3px solid var(--brass);font-family:var(--display);font-size:1.3rem;font-variation-settings:"wdth" 88;line-height:1.35;color:var(--ink)}
.prose figure{margin:0}
.prose figcaption{font-size:.85rem;color:var(--muted);margin-top:8px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font:500 .72rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--paper)}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}

/* code blocks */
pre{margin:0;overflow-x:auto;background:var(--deep);color:var(--deep-ink);border-radius:12px;padding:18px 20px;font:400 .86rem/1.65 var(--mono);tab-size:4}
pre[data-file]{padding-top:44px;position:relative}
pre[data-file]::before{content:attr(data-file);position:absolute;left:0;right:0;top:0;padding:9px 20px;font:500 .72rem var(--mono);letter-spacing:.04em;color:var(--deep-muted);border-bottom:1px solid #2E2820}
.tk-c{color:#8A7F6C;font-style:italic}
.tk-s{color:#A8C98A}
.tk-n{color:#E8A869}
.tk-k{color:#D8AE55;font-weight:500}
.tk-f{color:#9DB4FF}

/* animated pictures */
.gif{margin:0;display:grid;gap:8px;align-content:start}
.gif picture,.gif img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.gif img{border:1px solid var(--line);background:var(--paper)}
.gif figcaption{font:500 .74rem var(--mono);color:var(--muted);letter-spacing:.03em}
.head-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:clamp(24px,4vw,48px);align-items:end}
.head-split .sec-head{margin-bottom:0}
@media (max-width:820px){.head-split{grid-template-columns:1fr}}

/* original animations (code-drawn, 16:9 like the GIFs) */
.anim{position:relative;aspect-ratio:16/9;width:100%;border-radius:12px;border:1px solid var(--line);background:var(--paper);overflow:hidden}
.anim svg{display:block;width:100%;height:100%}
.at-line{stroke:var(--line);stroke-width:1.5}
.at-pulse{stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-dasharray:10 130;stroke-dashoffset:10;animation:atpulse 3s linear infinite}
.at-node circle{fill:var(--surface);stroke:var(--brass);stroke-width:1.5;transform-box:fill-box;transform-origin:center;animation:atbeat 3s ease-out infinite}
.at-node text{font:500 10px var(--mono);fill:var(--muted);letter-spacing:.04em}
.at-hub{fill:var(--accent)}
.at-hub-t{font:700 14px var(--display);fill:var(--accent-ink)}
.at-ring{fill:none;stroke:var(--accent);stroke-width:2;transform-box:fill-box;transform-origin:center;animation:atring .6s ease-out infinite}
.at-note{font:17px var(--mono);fill:var(--brass);opacity:0;animation:atnote 3s ease-out infinite}
@keyframes atpulse{0%{stroke-dashoffset:10}40%,100%{stroke-dashoffset:-110}}
@keyframes atbeat{0%{transform:scale(1.18)}12%,100%{transform:scale(1)}}
@keyframes atring{from{transform:scale(1);opacity:.55}to{transform:scale(1.7);opacity:0}}
@keyframes atnote{0%{opacity:0;transform:translate(0,0)}15%{opacity:1}100%{opacity:0;transform:translate(var(--dx),-72px)}}
.anim-term{background:var(--deep);border-color:#2E2820;display:flex;flex-direction:column}
.anim-term::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 3px);pointer-events:none}
.at-bar{display:flex;align-items:center;gap:6px;padding:8px 12px;border-bottom:1px solid #2E2820;font:500 .66rem var(--mono);color:var(--deep-muted)}
.at-bar i{width:9px;height:9px;border-radius:50%;background:#3A3228}
.at-bar span{margin-left:6px}
.anim-term .at-screen{flex:1;margin:0;padding:10px 14px;background:none;border-radius:0;font:400 .72rem/1.55 var(--mono);color:var(--deep-ink);white-space:pre-wrap;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.at-screen .p{color:#D8AE55}
.at-screen .ok{color:#A8C98A}
.at-screen .dim{color:var(--deep-muted)}
.at-cursor{display:inline-block;width:.55em;height:1em;background:#D8AE55;vertical-align:-2px;animation:atblink 1s steps(1) infinite}
@keyframes atblink{50%{opacity:0}}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding-block:40px 32px}
footer.site .cols{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:28px}
footer.site nav{display:grid;gap:6px;align-content:start}
footer.site nav a{text-decoration:none;color:var(--muted)}
footer.site nav a:hover{color:var(--accent)}
footer.site .base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:32px;padding-top:18px;border-top:1px solid var(--line)}
footer.site .base .mono{text-transform:none;letter-spacing:.02em}
@media (max-width:760px){footer.site .cols{grid-template-columns:1fr 1fr}footer.site .cols > :first-child{grid-column:1 / -1}}

/* ---------- command palette, toast ---------- */
.palette{position:fixed;inset:0;z-index:50;background:color-mix(in srgb,var(--deep) 45%,transparent);display:grid;place-items:start center;padding:14vh 16px 16px}
.palette-box{width:min(560px,100%);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 30px 80px -20px rgba(0,0,0,.45);overflow:hidden}
.palette input{font:inherit;color:var(--ink);width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:16px 18px;font-size:1.05rem}
.palette input:focus{outline:none}
.palette ul{list-style:none;margin:0;padding:6px;max-height:340px;overflow:auto}
.palette li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;cursor:pointer}
.palette li[aria-selected="true"]{background:var(--paper);color:var(--accent)}
.palette li small{font:500 .72rem var(--mono);color:var(--muted)}
.palette .hint{display:flex;justify-content:space-between;padding:9px 16px;border-top:1px solid var(--line)}
.palette .hint .mono{font-size:.68rem;text-transform:none;letter-spacing:.02em}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:60;background:var(--ink);color:var(--ground);padding:10px 16px;border-radius:999px;font:500 .9rem var(--body);box-shadow:0 12px 30px -10px rgba(0,0,0,.4);max-width:calc(100% - 32px);text-align:center}
.charge{position:fixed;bottom:calc(8px + env(safe-area-inset-bottom,0px));right:-240px;width:190px;z-index:55;pointer-events:none;animation:charge 3s cubic-bezier(.4,0,.6,1) forwards}
@keyframes charge{to{transform:translateX(calc(-100vw - 480px))}}
.charge svg{display:block;width:100%;height:auto}

/* ---------- bull mascot ---------- */
.bull{color:var(--accent);overflow:visible}
.bull .b-head{transform-origin:110px 150px;animation:breathe 4.2s ease-in-out infinite}
.bull .b-eyes{transform-origin:110px 104px;animation:blink 5.5s infinite}
.bull .b-pupils{transform:translate(var(--bx,0px),var(--by,0px));transition:transform .12s ease-out}
.bull .b-ear-l{transform-origin:78px 86px;animation:earl 7s infinite}
.bull .b-ear-r{transform-origin:142px 86px;animation:earr 7s infinite 1.3s}
.bull .b-nostrils{transform-origin:110px 154px;animation:snort 6s infinite 2s}
@keyframes breathe{0%,100%{transform:translateY(0)}50%{transform:translateY(1.6px)}}
@keyframes blink{0%,92%,100%{transform:scaleY(1)}95%{transform:scaleY(.1)}}
@keyframes earl{0%,86%,100%{transform:rotate(0)}90%{transform:rotate(-12deg)}94%{transform:rotate(4deg)}}
@keyframes earr{0%,86%,100%{transform:rotate(0)}90%{transform:rotate(12deg)}94%{transform:rotate(-4deg)}}
@keyframes snort{0%,90%,100%{transform:scale(1)}93%{transform:scale(1.25)}96%{transform:scale(.95)}}

/* ---------- full-body bull ---------- */
.fullbull .fb-pupil{transform:translate(calc(var(--bx,0px) * .7),calc(var(--by,0px) * .7));transition:transform .12s ease-out}
.fullbull .fb-torso{animation:breathe 4.2s ease-in-out infinite}
.fullbull .fb-head{transform-origin:88px 62px;animation:headbob 4.2s ease-in-out infinite}
.fullbull .fb-eye{transform-origin:56px 62px;animation:blink 5.5s infinite}
.fullbull .fb-ear{transform-origin:80px 56px;animation:fbear 7s infinite 1s}
.fullbull .fb-tail{transform-origin:211px 62px;animation:swish 2.8s ease-in-out infinite}
.fullbull .fb-leg-fn{transform-origin:102px 104px;animation:paw 9s ease-in-out infinite 3s}
.fullbull .fb-leg-ff{transform-origin:118px 106px}
.fullbull .fb-leg-bf{transform-origin:179px 106px}
.fullbull .fb-leg-bn{transform-origin:200px 95px}
.fullbull .fb-dust circle{opacity:0;animation:dust 9s ease-out infinite 3s}
.fullbull .fb-dust circle:nth-child(2){animation-delay:3.15s}
.fullbull .fb-dust circle:nth-child(3){animation-delay:3.3s}
.fullbull.nod .fb-head{animation:nod .34s ease-out}
.fullbull.hop{animation:hop .6s cubic-bezier(.3,.7,.4,1)}
.fullbull.walking .fb-leg-fn,.fullbull.walking .fb-leg-bf{animation:gallop .34s ease-in-out infinite alternate}
.fullbull.walking .fb-leg-ff,.fullbull.walking .fb-leg-bn{animation:gallop .34s ease-in-out infinite alternate-reverse}
.fullbull.walking .fb-torso{animation:gallopbody .34s ease-in-out infinite alternate}
.fullbull.walking .fb-dust circle{animation:none}
@keyframes headbob{0%,100%{transform:rotate(0)}50%{transform:rotate(1.5deg)}}
@keyframes fbear{0%,86%,100%{transform:rotate(0)}90%{transform:rotate(-14deg)}94%{transform:rotate(5deg)}}
@keyframes swish{0%,100%{transform:rotate(-6deg)}50%{transform:rotate(10deg)}}
@keyframes paw{0%,84%,100%{transform:rotate(0)}86%{transform:rotate(-16deg) translateY(-3px)}89%{transform:rotate(8deg)}92%{transform:rotate(-14deg) translateY(-3px)}95%{transform:rotate(6deg)}98%{transform:rotate(0)}}
@keyframes dust{0%,88%{opacity:0;transform:translate(0,0)}90%{opacity:.7}97%{opacity:0;transform:translate(-8px,-8px)}100%{opacity:0}}
@keyframes nod{0%,100%{transform:rotate(0)}35%{transform:rotate(-11deg)}}
@keyframes hop{0%,100%{transform:translateY(0)}40%{transform:translateY(-12px)}70%{transform:translateY(0)}85%{transform:translateY(-3px)}}
@keyframes gallop{from{transform:rotate(-20deg)}to{transform:rotate(20deg)}}
@keyframes gallopbody{from{transform:translateY(0)}to{transform:translateY(-4px)}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
@media print{
  .nav,footer.site,.palette,.toast,.no-print{display:none!important}
  body{background:#fff;color:#000}
}