/* gabrielebarni.com. Plain CSS, no framework. Fonts: IBM Plex (OFL), self-hosted, see /assets/fonts/. */
@font-face{font-family:"IBM Plex Serif";src:url(../fonts/IBMPlexSerif-Regular-Latin1.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Serif";src:url(../fonts/IBMPlexSerif-Italic-Latin1.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Serif";src:url(../fonts/IBMPlexSerif-SemiBold-Latin1.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/IBMPlexMono-Regular-Latin1.woff2) format("woff2");font-weight:400;font-display:swap}

:root{
  --bg:#faf8f4; --surface:#f2eee7; --text:#1c1a17; --muted:#5a554d; --rule:#e2dcd2;
  --accent:#9c3a1d; --accent-ink:#9c3a1d; --focus:#1f5fbf;
  --serif:"IBM Plex Serif","Iowan Old Style","Charter",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --measure:40rem; --wide:68rem;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#151412;--surface:#1e1c19;--text:#ece7df;--muted:#a9a297;--rule:#2f2c27;--accent:#ef8f6d;--accent-ink:#ef8f6d;--focus:#8fb8ff}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.6 var(--sans)}
a{color:inherit;text-decoration-color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:1rem;top:-4rem;background:var(--text);color:var(--bg);padding:.6rem 1rem}
.skip:focus{top:1rem}
.wrap{max-width:var(--wide);margin:0 auto;padding:0 1.25rem}
.read{max-width:var(--measure)}

/* header */
.site-head{border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;flex-wrap:wrap;gap:.5rem 2rem;align-items:baseline;justify-content:space-between;padding-top:1.25rem;padding-bottom:1.1rem}
.brand{font:600 1.15rem/1.2 var(--serif);text-decoration:none;letter-spacing:-.01em}
.brand span{color:var(--accent-ink)}
nav ul{display:flex;flex-wrap:wrap;gap:.25rem 1.5rem;list-style:none;margin:0;padding:0;font-size:.98rem}
nav a{text-decoration:none;color:var(--muted);padding:.35rem 0;display:inline-block}
nav a[aria-current=page]{color:var(--text);box-shadow:inset 0 -2px 0 var(--accent)}

/* type */
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.015em;line-height:1.15;text-wrap:balance}
h1{font-size:clamp(2.1rem,1.4rem + 3vw,3.4rem);margin:0 0 1rem}
h2{font-size:clamp(1.35rem,1.15rem + .8vw,1.7rem);margin:2.5rem 0 .75rem}
h3{font-size:1.2rem;margin:0 0 .3rem}
.kicker,.meta{font:400 .8rem/1.4 var(--mono);letter-spacing:.02em;color:var(--muted);text-transform:none}
.lede{font:400 clamp(1.2rem,1.05rem + .6vw,1.45rem)/1.5 var(--serif);color:var(--text);margin:0 0 1.25rem;max-width:36rem}
.muted{color:var(--muted)}
p{margin:0 0 1rem}

/* home */
.hero{padding:4.5rem 0 3rem}
.hero h1{max-width:22ch;font-size:clamp(2.2rem,1.3rem + 3.6vw,3.9rem)}
.hero .kicker{margin:0 0 1rem}
.hero .who{font-size:1.125rem}
.hero .who{color:var(--muted);max-width:38rem}
.cta{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;margin-top:1.5rem}
.btn{display:inline-block;background:var(--text);color:var(--bg);text-decoration:none;padding:.7rem 1.1rem;border-radius:4px;font-weight:600}
.btn:hover{color:var(--bg);background:var(--accent)}
.cols{display:grid;gap:3rem;grid-template-columns:minmax(0,1fr);padding:1rem 0 4rem;border-top:1px solid var(--rule)}
@media(min-width:900px){.cols{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}}
.section-title{font:400 .8rem/1 var(--mono);color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin:2rem 0 1rem}
.post-list{list-style:none;margin:0;padding:0}
.post-list li{padding:1.1rem 0;border-bottom:1px solid var(--rule)}
.post-list li:first-child{padding-top:0}
.post-list h3 a{text-decoration:none}
.post-list h3 a:hover{text-decoration:underline}
.post-list p{margin:.25rem 0 .35rem;color:var(--muted)}
.lab-list{list-style:none;margin:0;padding:0}
.lab-list li{padding:0 0 1.25rem}
.lab-list strong{font-family:var(--serif);font-size:1.1rem}
.lab-list p{margin:.2rem 0 0;color:var(--muted);font-size:.98rem}
.more{display:inline-block;margin-top:1rem;font-weight:600}

/* writing index */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.5rem 0 1rem;padding:0;list-style:none}
.filters a{display:inline-block;padding:.35rem .75rem;border:1px solid var(--rule);border-radius:999px;text-decoration:none;font-size:.92rem;color:var(--muted)}
.filters a[aria-current]{border-color:var(--text);color:var(--text)}
.search{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1rem 0 0}
.search label{font-size:.92rem;color:var(--muted);width:100%}
.search input{flex:1 1 16rem;font:inherit;padding:.6rem .8rem;border:1px solid var(--muted);border-radius:4px;background:var(--bg);color:var(--text)}
.year{font:600 1.1rem var(--serif);margin:2.5rem 0 .5rem;padding-bottom:.4rem;border-bottom:2px solid var(--text)}
.row{display:grid;grid-template-columns:minmax(0,1fr);gap:.15rem 1.5rem;padding:1rem 0;border-bottom:1px solid var(--rule)}
@media(min-width:700px){.row{grid-template-columns:7.5rem minmax(0,1fr)}}
.row time{font:400 .85rem/1.9 var(--mono);color:var(--muted)}
.row h3 a{text-decoration:none}.row h3 a:hover{text-decoration:underline}
.row p{margin:.2rem 0 0;color:var(--muted)}

/* article */
.article{padding:3.5rem 0 2rem}
.article header{margin-bottom:2.25rem}
.article .meta{margin-bottom:1rem}
.prose{font:400 1.1875rem/1.7 var(--serif)}
.prose p{margin:0 0 1.2rem}
.prose h2{margin:2.6rem 0 .8rem}
.prose ul{padding-left:1.25rem;margin:0 0 1.2rem}.prose li{margin:.35rem 0}
.prose blockquote{margin:1.5rem 0;padding:0 0 0 1.1rem;border-left:3px solid var(--accent);font-style:italic}
.aside{font:400 .98rem/1.55 var(--sans);background:var(--surface);border-radius:6px;padding:1rem 1.15rem;margin:2rem 0}
.aside h2{font-size:1rem;margin:0 0 .4rem;font-family:var(--sans)}
.aside ul{margin:0;padding-left:1.1rem}
.sources{font:400 .95rem/1.55 var(--sans);border-top:1px solid var(--rule);margin-top:2.5rem;padding-top:1rem;color:var(--muted)}
.sources h2{font:600 1rem var(--sans);color:var(--text);margin:0 0 .5rem}
.sources ol{padding-left:1.2rem;margin:0}
.next{display:grid;gap:1rem;grid-template-columns:minmax(0,1fr);margin:2.5rem 0 1rem}
@media(min-width:700px){.next{grid-template-columns:1fr 1fr}}
.next a{display:block;text-decoration:none;border:1px solid var(--rule);border-radius:6px;padding:1rem}
.next a:hover{border-color:var(--accent)}
.next span{display:block}

/* about / lab */
.about{display:grid;gap:2.5rem;grid-template-columns:minmax(0,1fr);padding:3.5rem 0 3rem}
@media(min-width:900px){.about{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}}
.facts{list-style:none;margin:0;padding:0;font-size:.98rem}
.facts li{padding:.6rem 0;border-bottom:1px solid var(--rule)}
.facts b{display:block;font:400 .78rem/1.4 var(--mono);color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
figure{margin:1.5rem 0}figure img{width:100%;height:auto;border-radius:6px;border:1px solid var(--rule)}
figcaption{font-size:.9rem;color:var(--muted);margin-top:.5rem}
.nodes{list-style:none;padding:0;margin:0}.nodes li{padding:.55rem 0;border-bottom:1px solid var(--rule)}

/* footer */
.site-foot{border-top:1px solid var(--rule);margin-top:3rem;padding:2rem 0 3rem;font-size:.92rem;color:var(--muted)}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;justify-content:space-between}
.site-foot ul{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem;list-style:none;margin:0;padding:0}
.motto{font-style:italic;font-family:var(--serif)}
@media(prefers-reduced-motion:no-preference){a,.btn{transition:color .15s,background-color .15s,border-color .15s}}
.pending{font:400 .95rem/1.5 var(--mono);color:var(--accent-ink);border:1px dashed var(--accent);border-radius:4px;padding:.6rem .8rem}

/* note pages */
.tags{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:.75rem 0 0;padding:0}
.tags a{display:inline-block;padding:.2rem .6rem;border:1px solid var(--rule);border-radius:999px;font-size:.85rem;text-decoration:none;color:var(--muted)}
.tags a:hover{border-color:var(--accent);color:var(--text)}
.prose h3{font-size:1.15rem;margin:1.6rem 0 .4rem}
.prose ol{padding-left:1.4rem;margin:0 0 1.2rem}
.prose a{color:var(--text)}
.prose details{font:400 .98rem/1.55 var(--sans);background:var(--surface);border-radius:6px;padding:.8rem 1.1rem;margin:2rem 0}
.prose details summary{cursor:pointer;font-weight:600}
.prose details p{margin:.6rem 0 0}
.empty-404{padding:5rem 0}
.search-hint{font-size:.92rem;color:var(--muted);margin:1rem 0 .4rem}
.search-hint:empty{display:none}
#search-results .kind{font:400 .85rem/1.9 var(--mono);color:var(--muted)}
#search-results mark{background:none;color:inherit;font-weight:600;box-shadow:inset 0 -.45em 0 color-mix(in srgb,var(--accent) 22%,transparent)}

/* About: Tux easter egg */
.egg-wrap{position:relative;display:flex;align-items:flex-end;gap:1.25rem;margin:2.5rem 0 0;padding-top:1.5rem;border-top:1px solid var(--rule)}
.egg{flex:none}
.egg summary{list-style:none;cursor:pointer;display:block;line-height:0;border-radius:8px;padding:4px;margin:-4px}
.egg summary::-webkit-details-marker{display:none}
.egg summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.egg img{width:88px;height:104px;display:block}
@media(prefers-color-scheme:dark){.egg img{filter:drop-shadow(0 0 1.5px rgba(236,231,223,.35))}}
.egg-line{position:absolute;left:calc(88px + 1.25rem);top:calc(1.5rem + 6px);margin:0;font:400 .88rem/1.4 var(--mono);color:var(--text);background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:.35rem .65rem;white-space:nowrap}
.egg-line>span:first-child{color:var(--accent-ink)}
@media(max-width:420px){.egg-line{font-size:.78rem;padding:.3rem .5rem}}
@media(prefers-reduced-motion:no-preference){.egg img{transition:transform .25s ease;transform-origin:50% 90%}.egg summary:hover img{transform:rotate(-5deg)}.egg[open] .egg-line{animation:egg-in .3s ease}}
@keyframes egg-in{from{opacity:0;transform:translateX(-4px)}}
.credit{font-size:.8rem;line-height:1.45;color:var(--muted);margin:0 0 .35rem}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}