:root {
  --bg: #0b0b0c;
  --bg2: #141416;
  --ink: #f2efe8;
  --mute: #8a8680;
  --line: rgba(242, 239, 232, .12);
  --accent: #ff5a36;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Inter Tight", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --gut: clamp(16px, 4vw, 56px);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }
::selection { background: var(--accent); color: var(--bg); }
.kicker { font: 500 12px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin: 0 0 18px; }

/* nav */
.nav { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; justify-content: space-between; align-items: center; padding: 20px var(--gut); mix-blend-mode: difference; }
.brand { font: 600 18px var(--sans); text-decoration: none; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.nav nav { display: flex; gap: clamp(14px, 3vw, 32px); }
.nav nav a { font: 500 13px var(--mono); text-transform: uppercase; letter-spacing: .1em; text-decoration: none; opacity: .8; }
.nav nav a:hover { opacity: 1; }

/* overlays */
#gl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.grain { position: fixed; inset: -50%; z-index: 30; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1s steps(6) infinite; }
@keyframes grain { 0%{transform:translate(0,0)} 20%{transform:translate(-5%,3%)} 40%{transform:translate(3%,-6%)} 60%{transform:translate(-7%,-2%)} 80%{transform:translate(4%,5%)} 100%{transform:translate(0,0)} }
.cursor { position: fixed; z-index: 40; left: 0; top: 0; pointer-events: none; display: none; }
.cursor span { display: block; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: var(--ink); mix-blend-mode: difference; transition: width .3s, height .3s, margin .3s; }
.cursor.big span { width: 64px; height: 64px; margin: -32px 0 0 -32px; }
@media (hover: hover) and (pointer: fine) { .has-js .cursor { display: block; } .has-js, .has-js a { cursor: none; } }

main, .foot { position: relative; z-index: 1; }

/* hero */
.hero { min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; padding: 0 var(--gut) clamp(40px, 9vh, 96px); }
.hero h1 { margin: 0; font: 400 clamp(64px, 15.5vw, 260px)/.86 var(--serif); letter-spacing: -.035em; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .22em; margin-bottom: -.16em; }
.hero h1 .ch { display: inline-block; will-change: transform; }
.hero-sub { max-width: 34ch; font-size: clamp(17px, 1.6vw, 22px); color: var(--ink); opacity: .82; margin: 28px 0 0; }
.scroll-hint { position: absolute; right: var(--gut); bottom: clamp(40px, 9vh, 96px); display: flex; flex-direction: column; align-items: center; gap: 10px; font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; text-decoration: none; color: var(--mute); }
.scroll-hint i { width: 1px; height: 56px; background: linear-gradient(var(--accent), transparent); animation: drip 1.8s ease-in-out infinite; transform-origin: top; }
@keyframes drip { 0%{transform:scaleY(0)} 50%{transform:scaleY(1)} 100%{transform:scaleY(1);opacity:0} }

.sec-head h2, .about h2 { font: 400 clamp(40px, 5.4vw, 84px)/1 var(--serif); letter-spacing: -.02em; margin: 0 0 24px; }

/* fidelity */
.fidelity { padding: clamp(80px, 14vh, 160px) var(--gut); background: var(--bg); }
.fid-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 24px 48px; margin-bottom: 28px; }
.fid-now b { display: block; font: 400 clamp(72px, 10vw, 160px)/.9 var(--serif); letter-spacing: -.03em; color: var(--accent); font-variant-numeric: tabular-nums; }
.fid-now span { display: block; color: var(--mute); max-width: 42ch; margin-top: 14px; }
.fid-legend { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font: 500 13px var(--mono); color: var(--mute); }
.fid-legend li::before { content: ""; display: inline-block; width: 18px; height: 2px; vertical-align: middle; margin-right: 10px; background: currentColor; }
.fid-legend b { color: var(--ink); font-weight: 500; margin-left: 6px; }
.fid-legend .all { color: var(--accent); }
.fid-legend .word { color: #7aa2ff; } .fid-legend .powerpoint { color: #f2a65a; } .fid-legend .excel { color: #6cc59a; }
.fid-chart { margin: 0; }
.fid-chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.fid-chart .grid line { stroke: var(--line); }
.fid-chart text { fill: var(--mute); font: 500 12px var(--mono); }
.fid-chart .ln { fill: none; stroke-width: 1.5; stroke-linejoin: round; opacity: .75; }
.fid-chart .ln.word { stroke: #7aa2ff; } .fid-chart .ln.powerpoint { stroke: #f2a65a; } .fid-chart .ln.excel { stroke: #6cc59a; }
.fid-chart .ln.all { stroke: var(--accent); stroke-width: 3; opacity: 1; }
.fid-chart .pt { fill: var(--bg); stroke: var(--accent); stroke-width: 2; }
.fid-chart .pt:hover { fill: var(--accent); }
.fid-chart figcaption { font: 13px/1.5 var(--sans); color: var(--mute); margin-top: 16px; max-width: 70ch; }

/* writing */
.writing { padding: clamp(60px, 10vh, 120px) var(--gut); background: var(--bg); }
.sec-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 0 24px; margin-bottom: 36px; }
.sec-head .kicker { flex-basis: 100%; }
.more { font: 500 13px var(--mono); text-transform: uppercase; letter-spacing: .1em; text-decoration: none; color: var(--accent); margin-bottom: 30px; }
.posts { list-style: none; padding: 0; margin: 0; border-bottom: 1px solid var(--line); }
.posts a { display: grid; grid-template-columns: 160px minmax(0, 1fr) auto; gap: 4px 32px; padding: 30px 0; border-top: 1px solid var(--line); text-decoration: none; transition: padding .35s cubic-bezier(.2,.8,.2,1), background .35s; }
.posts a:hover { padding-inline: 18px; background: rgba(242,239,232,.03); }
.posts time { font: 500 12px/2.6 var(--mono); color: var(--mute); text-transform: uppercase; letter-spacing: .08em; }
.posts h3 { margin: 0; font: 400 clamp(26px, 2.8vw, 40px)/1.1 var(--serif); grid-column: 2; }
.posts p { margin: 6px 0 0; color: var(--mute); grid-column: 2; max-width: 60ch; }
.posts .tags { grid-column: 3; grid-row: 1; font: 500 11px/2.8 var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .1em; white-space: nowrap; }

/* about */
.about { padding: clamp(80px, 14vh, 160px) var(--gut); background: var(--bg); }
.about h2.big { font-size: clamp(42px, 7vw, 120px); max-width: 16ch; }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gut); max-width: 980px; color: var(--mute); margin-top: 40px; }
.contact { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 56px; }
.mag { display: inline-block; padding: 18px 28px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font: 500 15px var(--sans); transition: background .3s, color .3s, border-color .3s; }
.mag:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }

.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding: 28px var(--gut); border-top: 1px solid var(--line); font: 500 12px var(--mono); color: var(--mute); background: var(--bg); }
.foot p { margin: 0; }

/* posts */
.post main { max-width: 760px; margin: 0 auto; padding: 140px var(--gut) 80px; }
.post main.list { max-width: 1100px; }
.post-head h1 { font: 400 clamp(44px, 7vw, 88px)/1 var(--serif); letter-spacing: -.025em; margin: 0 0 22px; }
.lede { font-size: clamp(19px, 2vw, 23px); line-height: 1.45; color: var(--ink); opacity: .82; margin: 0 0 22px; }
.meta { font: 500 12px var(--mono); color: var(--mute); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 56px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.prose { font-size: 18px; line-height: 1.75; }
.prose h2 { font: 400 36px/1.1 var(--serif); margin: 2.2em 0 .6em; letter-spacing: -.01em; }
.prose h3 { font: 600 19px var(--sans); margin: 2em 0 .5em; }
.prose a { color: var(--accent); text-underline-offset: 3px; }
.prose code { font: 15px var(--mono); background: var(--bg2); padding: 2px 6px; border-radius: 4px; }
.prose pre { background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; font-size: 14px; line-height: 1.6; }
.prose blockquote { margin: 2em 0; padding: 0 0 0 24px; border-left: 2px solid var(--accent); font: italic 400 26px/1.35 var(--serif); }
.prose blockquote p { margin: 0; }
.prose img, .prose figure { max-width: 100%; }
.prose figure { margin: 2.2em 0; }
.prose figcaption { font: 13px var(--mono); color: var(--mute); margin-top: 10px; }
.prose .table { overflow-x: auto; margin: 2em 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; font-variant-numeric: tabular-nums; }
.prose th, .prose td { text-align: left; padding: 10px 14px 10px 0; border-bottom: 1px solid var(--line); }
.prose th { font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--mute); }
.prose .big-num { display: block; font: 400 clamp(64px, 12vw, 140px)/1 var(--serif); color: var(--accent); margin: .3em 0 .1em; letter-spacing: -.03em; }
.pager { display: flex; justify-content: space-between; gap: 24px; margin-top: 80px; padding-top: 28px; border-top: 1px solid var(--line); }
.pager a { text-decoration: none; font: 400 22px/1.2 var(--serif); max-width: 48%; }
.pager a.r { text-align: right; margin-left: auto; }
.pager small { display: block; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--mute); margin-bottom: 6px; }
.progress { position: fixed; inset: 0 0 auto; height: 2px; background: var(--accent); transform-origin: left; transform: scaleX(0); z-index: 25; }

/* kern demo inside a post */
.kern-demo { margin: 2.2em 0; padding: 28px; background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; }
.kern-demo .w { font: 400 clamp(56px, 12vw, 120px)/1 Georgia, serif; display: flex; flex-direction: column; gap: 6px; }
.kern-demo .w span { position: relative; width: max-content; }
.kern-demo .w span.k { font-kerning: normal; color: var(--accent); }
.kern-demo .w span.u { font-kerning: none; opacity: .5; }
.kern-demo p { font: 13px var(--mono); color: var(--mute); margin: 14px 0 0; }

@media (max-width: 860px) {
  .about-cols { grid-template-columns: 1fr; }
  .posts a { grid-template-columns: 1fr; }
  .posts h3, .posts p, .posts .tags { grid-column: 1; grid-row: auto; }
  .scroll-hint { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .grain, .scroll-hint i { animation: none; }
  .posts a, .mag { transition: none; }
}
.post .nav { mix-blend-mode: normal; background: rgba(11,11,12,.82); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); padding-block: 14px; }
@media (max-width: 700px) { .fid-chart text { font-size: 26px; } .fid-chart .ln.all { stroke-width: 5; } .fid-chart .pt { r: 7; stroke-width: 3; } .fid-chart .ln { stroke-width: 3; } }