/* utkarshjukaria.com · shared styles for blog and utility pages (the homepage carries its own inline CSS) */
:root{
  --paper:#ECE5DA;--paper-2:#E2D9CB;--card:#F5F0E8;--ink:#1D1B19;--muted:#6B645B;--body:#3b3732;--line:#CDC2B2;
  --dark:#1D1C1A;--on-dark:#EDE6DB;--on-dark-muted:#9F978C;
  --accent:#2B4BD8;--accent-t:#2B4BD8;--accent-soft:#8EA2FF;--rust:#E2562C;--tag:#E3CBA8;--tag-ink:#5B4631;
  --sans:"Bricolage Grotesque",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--hand:"Caveat","Comic Sans MS",cursive;
  --pad:clamp(20px,3.2vw,44px);--ease:cubic-bezier(.2,.8,.2,1);color-scheme:light;
}
html[data-mode="dark"]{color-scheme:dark;--paper:#131210;--paper-2:#1B1917;--card:#201E1B;--ink:#EDE6DB;--muted:#A69E90;--body:#CFC7BB;--line:#35312C;--dark:#0A0909;--tag:#3B3022;--tag-ink:#E3CBA8;--accent-t:#8EA2FF}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:1.125rem;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background-color .45s,color .45s}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.09;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
html[data-mode="dark"] body::after{mix-blend-mode:screen;opacity:.05}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--accent-t);outline-offset:4px;border-radius:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;z-index:200}
.skip:focus{left:8px}
.wrap{padding:0 var(--pad);max-width:1440px;margin:0 auto}
.mono{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase}
h1,h2,h3,p{margin:0}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px;position:relative}
.nav .wrap::before{content:"";position:absolute;z-index:-1;top:8px;bottom:8px;left:max(8px,calc(var(--pad) - 20px));right:max(8px,calc(var(--pad) - 6px));border-radius:999px;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.58),rgba(245,240,232,.36));-webkit-backdrop-filter:blur(18px) saturate(1.8);backdrop-filter:blur(18px) saturate(1.8);box-shadow:inset 0 0 0 1px rgba(255,255,255,.5),inset 0 1px 0 rgba(255,255,255,.95),0 0 0 1px rgba(29,27,25,.07),0 14px 34px -18px rgba(60,40,20,.38);transition:opacity .35s}
html[data-mode="dark"] .nav .wrap::before{background:linear-gradient(180deg,rgba(70,66,60,.42),rgba(29,28,26,.30));box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),inset 0 1px 0 rgba(255,255,255,.18),0 14px 34px -18px rgba(0,0,0,.6)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.nav .wrap::before{background:rgba(245,240,232,.96)}html[data-mode="dark"] .nav .wrap::before{background:rgba(29,28,26,.94)}}
.nav .logo{font-weight:700;font-size:1.12rem;letter-spacing:-.02em;text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.nav .links{display:flex;gap:30px;font-weight:550;font-size:1.02rem}
.nav .links a{text-decoration:none;position:relative}
.nav .links a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav .links a:hover::after,.nav .links a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.nav-r{display:flex;align-items:center;gap:8px}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:1rem;padding:11px 18px;text-decoration:none;border:0;cursor:pointer;background:var(--ink);color:var(--paper);border-radius:999px;transition:background .3s,color .3s}
.nav .btn{height:40px;padding:0 18px}
.nav .ib{width:40px;height:40px;position:relative}
.nav .ib::after{content:"";position:absolute;inset:-3px}
#modeBtn{box-shadow:inset 0 0 0 1.5px rgba(127,127,127,.38)}
.btn .ar{display:inline-block;transition:transform .35s var(--ease)}
.btn:hover .ar{transform:translate(3px,-3px)}
.btn.ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor}
.btn.ghost:hover{background:var(--ink);color:var(--paper);box-shadow:none}
.ib{width:44px;height:44px;flex:none;display:grid;place-items:center;border:0;padding:0;background:transparent;color:inherit;cursor:pointer;border-radius:50%;transition:background .3s}
.ib:hover{background:rgba(127,127,127,.18)}
.ib svg{width:20px;height:20px;display:block}
#modeBtn .sun{display:none}
html[data-mode="dark"] #modeBtn .sun{display:block}
html[data-mode="dark"] #modeBtn .moon{display:none}
.burger{display:none;position:relative}
.burger i{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:currentColor;transition:transform .35s var(--ease),top .35s var(--ease)}
.burger i:first-child{top:15px}.burger i:last-child{top:23px}
html.menu-open .burger i:first-child{top:19px;transform:rotate(45deg)}
html.menu-open .burger i:last-child{top:19px;transform:rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:99;background:var(--paper);color:var(--ink);padding:92px var(--pad) 28px;display:flex;flex-direction:column;justify-content:space-between;gap:24px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .35s var(--ease),transform .35s var(--ease),visibility 0s .35s}
html.menu-open .menu{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.menu nav a{display:flex;justify-content:space-between;align-items:center;font-size:clamp(1.8rem,8vw,2.5rem);font-weight:680;letter-spacing:-.035em;text-decoration:none;padding:12px 0;border-bottom:1px solid var(--line)}
.menu nav a span{font-family:var(--mono);font-size:.74rem;font-weight:400;color:var(--muted);letter-spacing:.06em}
.menu .mm{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.menu .mm a{display:inline-flex;align-items:center;min-height:44px}
html.menu-open,html.menu-open body{overflow:hidden}
html.menu-open .nav .wrap::before{opacity:0}
@media(max-width:760px){.nav .links{display:none}.burger{display:grid}}
@media(min-width:761px){.menu{display:none}}
@media(max-width:480px){.nav .btn{display:none}}

/* reading progress */
#progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--accent-t);transform:scaleX(0);transform-origin:left;z-index:120}

/* blog index */
.bhead{padding:150px 0 56px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:40px;align-items:end}
.bhead .mono{color:var(--muted);display:block;margin-bottom:16px}
.bhead h1{font-size:clamp(2.6rem,7vw,6rem);line-height:.94;letter-spacing:-.045em;font-weight:720}
.bhead p{color:var(--body);max-width:46ch;font-size:1.15rem;margin-top:22px}
.bhead figure{margin:0;justify-self:end;width:min(100%,300px);perspective:900px}
.bhead figure img{display:block;width:100%;height:auto;border-radius:24px;transform:rotateY(-10deg) rotateX(4deg);box-shadow:26px 30px 60px -30px rgba(60,40,20,.55);transition:transform .8s var(--ease)}
.bhead figure:hover img{transform:none}
@media(max-width:860px){.bhead{grid-template-columns:1fr;padding-top:120px}.bhead figure{display:none}}
.posts{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,1.6vw,22px);padding-bottom:110px}
.post{grid-column:span 4;position:relative;display:flex;flex-direction:column;background:var(--card);border-radius:20px;padding:10px;box-shadow:0 0 0 1px rgba(29,27,25,.06);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
html[data-mode="dark"] .post,html[data-mode="dark"] .tool,html[data-mode="dark"] .callout{box-shadow:0 0 0 1px rgba(255,255,255,.07)}
.post img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:14px;display:block;background:var(--paper-2)}
html[data-mode="dark"] img.ph{filter:brightness(.9)}
.post .pi{padding:18px 14px 14px;display:flex;flex-direction:column;gap:9px;flex:1}
.post .pm{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 12px}
.post .pm b{font-weight:500;color:var(--tag-ink);background:var(--tag);padding:2px 8px;border-radius:3px}
.post h2,.post h3{font-size:clamp(1.3rem,1.9vw,1.6rem);line-height:1.12;letter-spacing:-.025em;font-weight:650}
.post h2 a,.post h3 a{color:inherit;text-decoration:none}
.post h2 a::after,.post h3 a::after{content:"";position:absolute;inset:0;border-radius:20px}
.post h2 a:focus-visible,.post h3 a:focus-visible{outline:none}
.post h2 a:focus-visible::after,.post h3 a:focus-visible::after{outline:2px solid var(--accent-t);outline-offset:4px}
.post p{color:var(--body);font-size:1rem}
.post .go{margin-top:auto;padding-top:8px;font-weight:600;font-size:.95rem}
.post:hover{transform:translateY(-5px);box-shadow:0 0 0 1px rgba(29,27,25,.08),0 30px 60px -34px rgba(60,40,20,.5)}
.post.feat{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:stretch}
.post.feat .pi{justify-content:center;padding:24px clamp(18px,3vw,44px);gap:14px}
.post.feat h2{font-size:clamp(1.8rem,3.4vw,3rem);letter-spacing:-.035em;line-height:1.02}
.post.feat .go{margin-top:6px}
@media(max-width:900px){.post{grid-column:1/-1}.post.feat{display:flex}.post.feat .pi{padding:18px 14px 14px}}

/* article */
.ahead{padding:140px 0 0;max-width:980px}
.crumbs{font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.crumbs a{text-decoration:none;display:inline-flex;align-items:center;min-height:32px}
.crumbs a:hover{text-decoration:underline}
.crumbs span{display:inline-flex;align-items:center}
.ahead h1{font-size:clamp(2.2rem,5.4vw,4.4rem);line-height:.98;letter-spacing:-.04em;font-weight:720;text-wrap:balance}
.ahead .dek{font-size:clamp(1.15rem,1.7vw,1.4rem);line-height:1.4;color:var(--body);max-width:56ch;margin-top:22px}
.byline{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;margin-top:26px;font-family:var(--mono);font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.byline b{font-weight:500;color:var(--ink)}
.cover{margin:44px 0 0}
.cover img{display:block;width:100%;height:auto;border-radius:20px;background:var(--paper-2)}
.alayout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:clamp(28px,5vw,80px);padding:56px 0 90px;align-items:start}
.toc{position:sticky;top:96px;font-size:.92rem}
.toc .mono{color:var(--muted);display:block;margin-bottom:10px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;padding:7px 0 7px 14px;margin-left:-1px;border-left:2px solid transparent;text-decoration:none;color:var(--muted);line-height:1.3;transition:color .25s,border-color .25s}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--accent-t)}
@media(max-width:960px){.alayout{grid-template-columns:1fr;padding-top:36px}.toc{position:static;background:var(--card);border-radius:14px;padding:18px 18px 12px}.toc a{padding:9px 0 9px 14px}}
.post-body{max-width:70ch;font-size:1.14rem;line-height:1.65;color:var(--body)}
.post-body>*+*{margin-top:1.1em}
.post-body h2{font-size:clamp(1.6rem,2.8vw,2.2rem);line-height:1.08;letter-spacing:-.03em;font-weight:680;color:var(--ink);margin-top:2.1em;text-wrap:balance}
.post-body h3{font-size:1.3rem;line-height:1.2;letter-spacing:-.015em;font-weight:650;color:var(--ink);margin-top:1.7em}
.post-body a{color:var(--accent-t);text-underline-offset:3px}
.post-body strong{color:var(--ink);font-weight:650}
.post-body ul,.post-body ol{padding-left:1.25em}
.post-body li+li{margin-top:.45em}
.post-body li::marker{color:var(--muted)}
.post-body code{font-family:var(--mono);font-size:.88em;background:var(--paper-2);padding:2px 6px;border-radius:4px;color:var(--ink)}
.post-body pre{font-family:var(--mono);font-size:.86rem;line-height:1.55;background:var(--dark);color:var(--on-dark);padding:20px 22px;border-radius:14px;overflow-x:auto;white-space:pre-wrap}
.post-body pre code{background:none;padding:0;color:inherit;font-size:1em}
.formula{font-family:var(--mono);font-size:clamp(.95rem,1.6vw,1.12rem);background:var(--card);color:var(--ink);border-radius:14px;padding:22px 24px;box-shadow:inset 4px 0 0 var(--accent);line-height:1.5}
.formula small{display:block;font-size:.76rem;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px}
.callout{background:var(--card);border-radius:14px;padding:20px 22px;box-shadow:0 0 0 1px rgba(29,27,25,.06);color:var(--ink)}
.callout .mono{color:var(--rust);display:block;margin-bottom:6px}
.callout.key{background:var(--dark);color:var(--on-dark)}
.callout.key .mono{color:var(--accent-soft)}
.callout.key a{color:var(--accent-soft)}
.callout.key strong{color:#fff}
.tw{overflow-x:auto;border-radius:14px;background:var(--card);box-shadow:0 0 0 1px rgba(29,27,25,.06)}
html[data-mode="dark"] .tw{box-shadow:0 0 0 1px rgba(255,255,255,.07)}
.tw table{border-collapse:collapse;width:100%;font-size:.98rem;line-height:1.35;color:var(--ink)}
.tw th{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;font-weight:500;color:var(--muted);text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.tw td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.tw tr:last-child td{border-bottom:0}
.tw td.n,.tw th.n{text-align:right;font-family:var(--mono);font-size:.92rem;white-space:nowrap}
.tw tr.tot td{font-weight:650;background:rgba(127,127,127,.08)}
.neg{color:var(--rust)}
.tool{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;background:var(--card);border-radius:20px;padding:24px 26px;box-shadow:0 0 0 1px rgba(29,27,25,.06);color:var(--ink);margin-top:2em}
.tool .mono{color:var(--muted);display:block;margin-bottom:6px}
.tool b{display:block;font-size:1.4rem;letter-spacing:-.025em;line-height:1.1}
.tool p{font-size:1rem;color:var(--body);margin-top:6px;line-height:1.45}
.post-body .tool a.btn{color:var(--paper);white-space:nowrap}
@media(max-width:620px){.tool{grid-template-columns:1fr}}
.faq{margin-top:1.2em}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:18px 0;font-size:1.12rem;font-weight:600;color:var(--ink);line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-weight:400;font-size:1.3rem;line-height:1;flex:none;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 30px 20px 0}
.author{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:center;margin-top:3em;padding-top:26px;border-top:1.5px solid var(--ink);color:var(--ink)}
.author .av{width:60px;height:60px;border-radius:14px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-weight:700;font-size:1.3rem;letter-spacing:-.04em}
.author p{font-size:1rem;line-height:1.45;color:var(--body)}
.author b{display:block;color:var(--ink);font-size:1.08rem}
.more{padding:0 0 110px}
.more>h2{font-size:clamp(1.8rem,3.4vw,2.8rem);letter-spacing:-.035em;line-height:1;margin-bottom:28px;font-weight:700}
.more .posts{padding-bottom:0}

/* 404 */
.nf{min-height:100svh;display:grid;place-items:center;text-align:center;padding:120px var(--pad) 60px}
.nf .big{font-size:clamp(6rem,26vw,18rem);font-weight:800;letter-spacing:-.07em;line-height:.8}
.nf .big i{font-style:normal;color:var(--rust);display:inline-block;transform:rotate(8deg) translateY(.06em)}
.nf p{color:var(--body);max-width:44ch;margin:26px auto 28px}
.nf .acts{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* footer */
footer{background:var(--dark);color:var(--on-dark-muted);padding:56px 0 24px}
footer .fc{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:end;padding-bottom:36px}
footer .fc b{display:block;color:var(--on-dark);font-size:clamp(1.6rem,3.4vw,2.6rem);letter-spacing:-.035em;line-height:1.02;font-weight:700;max-width:18ch}
footer .btn{background:var(--on-dark);color:var(--dark)}
footer .row2{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px;font-size:.92rem;border-top:1px solid #34312d;padding-top:14px}
footer a{color:var(--on-dark);text-decoration:none}
footer a:hover{text-decoration:underline}
footer .fl{display:flex;gap:6px 22px;flex-wrap:wrap}
footer .fl a{display:inline-flex;align-items:center;min-height:44px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}.bhead figure img{transform:none}}
@media print{.nav,.menu,.toc,#progress,footer,.more,body::after{display:none!important}.ahead{padding-top:0}body{background:#fff;color:#000}}