/* Technotes theme: matched to tewodros.dev (survey-sheet palette, Archivo wide grotesque, contour hero, gold rules). */
:root{
  --bg:#D9DDD7; --ink:#14232A; --soft:#44545A; --muted:#526166; --line:#B9C1BC;
  --contour:#5E6E70; --gold:#80631B; --panel:#CFD4CD;
  --code-bg:#14232A; --code-ink:#DCE4DF; --code-line:#26333A; --code-muted:#8B9998;
  --sans:"Archivo","Helvetica Neue",Arial,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gutter:clamp(18px,4.5vw,60px);
  --measure:72ch;
  --ease:cubic-bezier(.22,1,.36,1);
}
@media (prefers-color-scheme: dark){:root{
  --bg:#121A1C; --ink:#E1E6E1; --soft:#A9B5B3; --muted:#8B9998; --line:#26333A;
  --contour:#7E9292; --gold:#D3AE52; --panel:#18232A;
  --code-bg:#0B1214; --code-ink:#DCE4DF; --code-line:#26333A; color-scheme:dark}}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:400 1rem/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:1240px;margin:0 auto;padding-inline:var(--gutter)}
a{color:inherit}
img{max-width:100%;height:auto}
::selection{background:var(--ink);color:var(--bg)}
:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:4px}
h1,h2,h3,h4{margin:0;text-wrap:balance;font-stretch:125%;letter-spacing:-.01em}
.tri{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round}
.skip{position:absolute;left:18px;top:-100px;z-index:10;background:var(--bg);padding:12px;color:var(--ink)}
.skip:focus{top:12px}

/* nav */
.site-head{position:relative;isolation:isolate;overflow:hidden}
.nav{position:relative;z-index:3;display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:22px;flex-wrap:wrap}
.brand{min-height:44px;display:flex;align-items:center;gap:10px;font-weight:700;font-stretch:115%;text-decoration:none;font-size:1.02rem}
.brand .by{font-weight:400;color:var(--soft);font-stretch:100%}
.brand .tri{transition:transform 240ms var(--ease)}
.brand:hover .tri{transform:translateY(-2px)}
.nav ul{display:flex;gap:clamp(12px,2.5vw,30px);list-style:none;margin:0;padding:0}
.nav ul a{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;text-decoration:none;color:var(--soft);padding:0 3px;transition:color .2s}
.nav ul a::after{content:"";position:absolute;inset:auto 3px 2px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease)}
.nav ul a.on,.nav ul a:hover,.nav ul a:focus-visible{color:var(--ink)}
.nav ul a.on::after,.nav ul a:hover::after,.nav ul a:focus-visible::after{transform:scaleX(1)}

/* hero (home only) */
#topo{position:absolute;inset:0;width:100%;height:100%;z-index:-1;display:block;mask-image:linear-gradient(to bottom,#000 78%,transparent 100%)}
.peak{position:absolute;z-index:1;display:flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;transform:translate(-8px,-50%);pointer-events:none;white-space:nowrap}
.peak .tri{width:20px;height:20px}
.hero-in{padding-block:clamp(110px,15vw,210px) clamp(56px,7vw,88px)}
.hero-in h1{font-size:clamp(3.1rem,8.4vw,7rem);font-weight:900;line-height:.9;letter-spacing:-.025em;max-width:9ch}
.hero-in h1 span{display:block;width:fit-content}
.intro-wrap{max-width:470px;position:relative}
.intro{max-width:32ch;font-size:clamp(1.08rem,1.7vw,1.32rem);line-height:1.5;margin:28px 0 0;background:var(--bg);box-shadow:0 0 24px 14px var(--bg)}

/* lists */
main{min-height:40vh}
.list{padding-block:clamp(48px,7vw,96px);border-top:1px solid var(--line)}
.site-head:not(.has-hero) + main .list{border-top:0;padding-top:clamp(24px,4vw,56px)}
.sh{font-size:clamp(1.25rem,2.1vw,1.65rem);font-weight:700;letter-spacing:-.025em;margin-bottom:clamp(24px,3.5vw,40px)}
.notes{list-style:none;margin:0;padding:0}
.note{border-top:1px solid var(--line)}
.note:last-child{border-bottom:1px solid var(--line)}
.note-link{display:block;text-decoration:none;padding-block:clamp(22px,3vw,34px)}
.note-meta{display:flex;flex-wrap:wrap;gap:6px;font-size:.84rem;color:var(--muted);letter-spacing:.02em}
.dot-sep{color:var(--line)}
.note h3{margin-top:8px;font-size:clamp(1.6rem,3.4vw,2.6rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;transition:transform 240ms var(--ease)}
.note p{margin:12px 0 0;max-width:68ch;color:var(--soft);font-size:1.02rem;line-height:1.65}
@media (hover:hover) and (pointer:fine){.note-link:hover h3{transform:translateX(4px)}.note-link:hover h3{text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:6px}}
.empty{color:var(--muted)}
.pagination{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:32px;font-size:.92rem;color:var(--muted)}
.pagination a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-underline-offset:4px}

.eyebrow{margin:0 0 14px;font-size:.84rem;color:var(--muted);letter-spacing:.04em}
.eyebrow a{text-decoration:none;color:var(--soft)}
.eyebrow a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--gold)}
.page-title{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:900;line-height:1;letter-spacing:-.025em}
.page-lede{max-width:52ch;font-size:clamp(1.08rem,1.7vw,1.3rem);line-height:1.5;color:var(--soft);margin:18px 0 0}

/* post */
.post,.page{padding-block:clamp(24px,4vw,56px) clamp(56px,7vw,96px)}
.post-head{max-width:960px}
.post-title{font-size:clamp(2.2rem,5.6vw,4.4rem);font-weight:900;line-height:1.02;letter-spacing:-.025em;max-width:20ch}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 40px;margin:34px 0 0;padding:0;max-width:860px}
.facts div{min-width:0;border-top:1px solid var(--line);padding-top:12px}
.facts dt{font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.facts dd{margin:4px 0 0;font-size:.98rem}
.facts dd a{text-underline-offset:3px;text-decoration-color:var(--line)}
.feature{margin:clamp(28px,4vw,48px) 0 0;max-width:1100px}
.feature img{display:block;width:100%;border:1px solid var(--line)}
.feature figcaption,.prose figcaption{margin-top:10px;font-size:.82rem;color:var(--muted)}

/* prose */
.prose{max-width:var(--measure);margin-top:clamp(32px,4vw,52px);font-size:1.075rem;line-height:1.75}
.prose > *{margin-block:0 1.15em}
.prose h2{font-size:clamp(1.5rem,2.8vw,2.05rem);font-weight:800;line-height:1.15;margin:2.1em 0 .7em;padding-top:.9em;border-top:1px solid var(--line)}
.prose h3{font-size:clamp(1.18rem,2vw,1.38rem);font-weight:700;line-height:1.25;margin:1.7em 0 .5em}
.prose h4{font-size:1.05rem;font-weight:700;margin:1.4em 0 .4em}
.prose a{text-decoration-color:var(--gold);text-decoration-thickness:1px;text-underline-offset:3px}
.prose a:hover{text-decoration-thickness:2px}
.prose strong{font-weight:700}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--gold)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose blockquote{margin-inline:0;padding:.2em 0 .2em 1.1em;border-left:3px solid var(--gold);color:var(--soft);font-size:1.1rem}
.prose img{display:block;margin-inline:auto}
.prose figure{margin-inline:0}
.prose table{width:100%;border-collapse:collapse;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{border-top:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{font-size:.82rem;color:var(--muted);letter-spacing:.04em;font-weight:600}

/* code: terminal panels in the site's ink colour */
.prose :not(pre) > code{font-family:var(--mono);font-size:.86em;background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:.08em .38em;overflow-wrap:anywhere}
.prose pre{position:relative;margin:1.5em 0;background:var(--code-bg);color:var(--code-ink);border-radius:10px;border:1px solid var(--code-line);font:400 .86rem/1.65 var(--mono);overflow:auto;padding:46px 18px 18px;tab-size:2}
.prose pre::before{content:"";position:absolute;top:16px;left:16px;width:9px;height:9px;border-radius:50%;background:#C0574B;box-shadow:15px 0 0 #C9A13F,30px 0 0 #5E9A62}
.prose pre[data-lang]::after{content:attr(data-lang);position:absolute;top:11px;left:62px;font:600 .72rem var(--mono);color:var(--code-muted);letter-spacing:.06em;text-transform:lowercase}
.prose pre code{font:inherit;background:none;border:0;padding:0;color:inherit;white-space:pre}
.copy-code{position:absolute;top:7px;right:8px;font:600 .72rem var(--mono);color:var(--code-muted);background:transparent;border:1px solid var(--code-line);border-radius:999px;min-height:30px;padding:4px 12px;cursor:pointer}
.copy-code:hover,.copy-code:focus-visible{color:var(--code-ink);border-color:var(--code-muted)}
/* token colours (Prism) */
.token.comment,.token.prolog{color:#7A8B8C;font-style:italic}
.token.keyword,.token.tag,.token.selector,.token.important{color:#E3B65C}
.token.string,.token.attr-value,.token.char,.token.inserted{color:#9BC59D}
.token.number,.token.boolean,.token.constant{color:#E59A7E}
.token.function,.token.class-name{color:#8FC3D1}
.token.operator,.token.punctuation{color:#A9B5B3}
.token.attr-name,.token.property,.token.variable{color:#C9B6E4}

/* Koenig cards */
.kg-width-wide{width:min(1100px,calc(100vw - 2*var(--gutter)));max-width:none;margin-inline:calc(50% - min(550px,50vw - var(--gutter)))}
.kg-width-full{width:100vw;max-width:none;margin-inline:calc(50% - 50vw)}
.kg-width-full img{width:100%}
.kg-image-card img,.kg-gallery-image img{border:1px solid var(--line)}
.kg-callout-card{border-radius:10px}
.kg-bookmark-card a{text-decoration:none}

/* prev / next */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:var(--measure);margin-top:clamp(48px,6vw,72px)}
.pn{display:block;text-decoration:none;border-top:1px solid var(--line);padding-top:12px}
.pn small{display:block;font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.pn span{display:block;margin-top:4px;font-weight:700;font-stretch:110%;line-height:1.3}
.pn.next{text-align:right;grid-column:2}
.pn:hover span{text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}

/* footer */
.site-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;border-top:1px solid var(--line);padding-block:28px 40px;font-size:.8rem;color:var(--muted)}
.site-foot p{margin:0}
.site-foot a{text-underline-offset:3px}
.err{padding-block:120px}

@media (max-width:720px){
  .facts{grid-template-columns:1fr 1fr}
  .post-nav{grid-template-columns:1fr}
  .pn.next{grid-column:auto;text-align:left}
}
@media (max-width:560px){
  .nav{padding-block:16px}
  .brand .by{display:none}
  .nav ul{gap:6px;font-size:.92rem}
  .hero-in{padding-top:clamp(170px,48vw,220px)}
  .hero-in h1{font-size:clamp(2.6rem,13.5vw,3.4rem)}
  .intro{margin-top:20px;font-size:1.05rem}
  .peak{font-size:.74rem}
  .prose{font-size:1.02rem}
  .prose pre{font-size:.8rem;margin-inline:calc(-1 * var(--gutter));border-radius:0;border-inline:0}
  .facts{grid-template-columns:1fr 1fr;gap:14px 20px;margin-top:26px}
  .facts div:nth-child(3){grid-column:1 / -1}
  .post-title{line-height:1.06}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
@media print{.nav,.site-foot,.post-nav,.copy-code,#topo,.peak{display:none}.prose pre{white-space:pre-wrap}}