:root{
  --paper:#EDE8DF;
  --paper-raise:#F4F0E8;
  --ink:#1C1C1A;
  --slate:#2E4756;
  --clay:#B0654A;
  --stone:#8A8578;
  --line:#D8D1C4;
  --maxw:64rem;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",system-ui,sans-serif;font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:var(--ink);color:var(--paper);padding:.5rem .75rem;z-index:10}
a{color:var(--slate);text-decoration:none}
a:hover{color:var(--clay)}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}

/* header */
.site-head{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  max-width:var(--maxw);margin:0 auto;padding:1.6rem 1.5rem 1.2rem;
}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink)}
.brand-mark{color:var(--clay);display:flex}
.brand-word{font-family:"Spectral",serif;font-size:1.35rem;font-weight:500;letter-spacing:.01em}
.brand-word-b{color:var(--slate)}
.site-nav{display:flex;gap:1.5rem;font-size:.95rem}
.site-nav a{color:var(--stone);font-weight:500}
.site-nav a:hover{color:var(--ink)}

/* main */
#main{max-width:var(--maxw);margin:0 auto;padding:1rem 1.5rem 4rem}

/* hero */
.hero{padding:3.5rem 0 2.5rem;border-bottom:1px solid var(--line);position:relative}
.hero-stroke{position:absolute;top:1rem;right:-.5rem;color:var(--clay);opacity:.16;pointer-events:none}
.hero h1{
  font-family:"Spectral",serif;font-weight:500;font-size:clamp(2.4rem,6vw,3.8rem);
  line-height:1.08;margin:0 0 1rem;max-width:20ch;
}
.hero p{font-size:1.15rem;color:var(--slate);max-width:52ch;margin:0}
.hero .lead-mono{font-family:"JetBrains Mono",monospace;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--stone);margin:0 0 1.4rem}

/* section headers */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin:3rem 0 1.4rem;gap:1rem}
.sec-head h2{font-family:"Spectral",serif;font-weight:500;font-size:1.7rem;margin:0}
.sec-head .sec-note{font-family:"JetBrains Mono",monospace;font-size:.78rem;color:var(--stone)}

/* tool + note cards */
.card-list{display:grid;gap:0;border-top:1px solid var(--line)}
.card{
  display:block;padding:1.5rem 0;border-bottom:1px solid var(--line);
  position:relative;transition:padding-left .18s ease;
}
.card:hover{padding-left:.7rem}
.card:hover .card-title{color:var(--clay)}
.card-top{display:flex;align-items:baseline;gap:.8rem;flex-wrap:wrap}
.card-title{font-family:"Spectral",serif;font-size:1.4rem;font-weight:500;color:var(--ink);transition:color .18s}
.card-meta{font-family:"JetBrains Mono",monospace;font-size:.74rem;color:var(--stone);display:flex;gap:.9rem;flex-wrap:wrap}
.card-meta .tag{color:var(--slate)}
.card-desc{color:var(--slate);margin:.5rem 0 0;max-width:60ch}
.card-date{font-family:"JetBrains Mono",monospace;font-size:.76rem;color:var(--stone)}

/* article body */
.article{padding:2.5rem 0 1rem;max-width:44rem}
.article .kicker{font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--clay);margin:0 0 .6rem}
.article h1{font-family:"Spectral",serif;font-weight:600;font-size:clamp(2rem,5vw,2.9rem);line-height:1.12;margin:0 0 .8rem}
.article .byline{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--stone);margin:0 0 2.2rem;display:flex;gap:1rem;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:1.4rem}
.article h2{font-family:"Spectral",serif;font-weight:600;font-size:1.6rem;margin:2.4rem 0 .8rem}
.article h3{font-family:"Spectral",serif;font-weight:600;font-size:1.25rem;margin:1.8rem 0 .6rem}
.article p{margin:0 0 1.2rem}
.article ul,.article ol{margin:0 0 1.2rem;padding-left:1.3rem}
.article li{margin:.3rem 0}
.article img{max-width:100%;border:1px solid var(--line);border-radius:2px}
.article blockquote{border-left:3px solid var(--clay);margin:1.4rem 0;padding:.2rem 0 .2rem 1.2rem;color:var(--slate);font-style:italic}
.article a{border-bottom:1px solid var(--line)}
.article a:hover{border-color:var(--clay)}

/* code */
code{font-family:"JetBrains Mono",monospace;font-size:.86em;background:var(--paper-raise);border:1px solid var(--line);border-radius:3px;padding:.1em .35em}
pre{background:#1C1C1A;color:#E8E4DA;border-radius:5px;padding:1.1rem 1.2rem;overflow-x:auto;margin:0 0 1.4rem;border:1px solid #000}
pre code{background:none;border:none;padding:0;color:inherit;font-size:.82rem;line-height:1.6}
.codewrap{position:relative;margin:0 0 1.4rem}
.codewrap pre{margin:0}
.copy-btn{position:absolute;top:.55rem;right:.55rem;font-family:"JetBrains Mono",monospace;font-size:.68rem;color:#9A958A;background:#2A2A27;border:1px solid #3A3A36;border-radius:3px;padding:.25rem .5rem;cursor:pointer}
.copy-btn:hover{color:#E8E4DA;border-color:var(--clay)}

/* tool detail meta block */
.tool-facts{display:flex;flex-wrap:wrap;gap:1.6rem;font-family:"JetBrains Mono",monospace;font-size:.8rem;background:var(--paper-raise);border:1px solid var(--line);border-radius:4px;padding:1rem 1.2rem;margin:0 0 2rem}
.tool-facts div span{display:block;color:var(--stone);font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.15rem}
.tool-facts .dl a{color:var(--clay);border-bottom:1px solid var(--clay)}

.back{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--stone);display:inline-block;margin:2.5rem 0 0}
.back:hover{color:var(--clay)}

/* footer */
.site-foot{max-width:var(--maxw);margin:0 auto;padding:2.5rem 1.5rem 3rem;border-top:1px solid var(--line);display:flex;align-items:center;gap:.8rem;color:var(--stone);font-size:.85rem}
.foot-enso{color:var(--clay);font-size:1.1rem}
.site-foot p{margin:0}

@media(max-width:560px){
  .site-head{flex-direction:column;align-items:flex-start;gap:.7rem}
  .card-top{gap:.4rem}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}