:root{
  --bg:#0b0b0d; --card:#141419; --hairline:rgba(255,255,255,.08);
  --ink-on-dark:rgba(255,255,255,.72); --ink-dim:rgba(255,255,255,.55);
  --white:#fff; --purple:#c77dcd; --teal:#9dd9d9; --sage:#c4c67a;
  --serif:"Instrument Serif",Georgia,serif;
  --body:"Sora",system-ui,sans-serif;
  --mono:"JetBrains Mono","SF Mono",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--ink-on-dark);font-family:var(--body);font-weight:300;line-height:1.65}
.wrap{max-width:960px;margin:0 auto;padding:0 40px}
a{color:var(--teal);text-decoration:none}
p{margin-bottom:1rem;font-size:14.5px;max-width:620px}
code{font-family:var(--mono);font-size:.85em;background:#1b1b22;padding:.15em .45em;border-radius:4px}
pre{background:#111116;border:1px solid var(--hairline);border-radius:10px;padding:20px;overflow-x:auto;margin:1.4rem 0}
pre code{background:none;padding:0;font-size:12.5px;line-height:1.7}

/* nav */
.nav{border-bottom:1px solid var(--hairline);position:sticky;top:0;background:rgba(11,11,13,.92);backdrop-filter:blur(8px);z-index:10}
.nav-row{display:flex;align-items:center;height:60px}
.brand{font-family:var(--serif);font-size:20px;color:var(--white)}
.brand span{color:var(--ink-dim)}
.nav-links{margin-left:auto;display:flex;gap:26px}
.nav-links a{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-on-dark)}
.nav-links a:hover{color:var(--white)}

/* type */
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--teal)}
h1{font-family:var(--serif);font-weight:400;font-size:52px;color:var(--white);margin:14px 0 18px;letter-spacing:.01em}
h2{font-family:var(--serif);font-weight:400;font-size:30px;color:var(--white);margin:2.4rem 0 .6rem}
h3{font-family:var(--serif);font-weight:400;font-size:22px;color:var(--white);margin:1.8rem 0 .5rem}
main{padding-top:84px;padding-bottom:120px}
figure{margin:1.8rem 0}
figure img,figure video{width:100%;border-radius:4px;display:block;box-shadow:0 12px 32px rgba(0,0,0,.5)}
figcaption{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);margin-top:10px}

/* glossary */
.group{margin-top:84px}
.group .kicker{color:var(--purple)}
.group h2{margin:10px 0 6px}
.group .gdesc{font-size:13.5px;max-width:520px;color:var(--ink-dim)}
.entry{display:grid;grid-template-columns:230px 1fr;gap:44px;padding:44px 0;border-bottom:1px solid var(--hairline);align-items:center;scroll-margin-top:90px}
.entry:last-child{border-bottom:none}
.ecard img{width:100%;border-radius:4px;display:block;box-shadow:0 12px 32px rgba(0,0,0,.5)}
.entry h3{font-size:26px;display:inline;margin:0}
.chip{display:inline-block;font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;padding:3px 10px;border-radius:99px;background:#22222a;color:var(--ink-on-dark);margin-left:12px;vertical-align:3px}
.use{font-size:15px;font-weight:500;color:var(--teal);margin:10px 0 8px}
.entry p{font-size:13.5px;max-width:540px;margin:0}
.pairs{margin-top:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase}
.pairs a{color:var(--teal);margin-right:18px;border-bottom:1px solid rgba(157,217,217,.35);padding-bottom:2px}

/* figure grids */
.fig-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fig-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fig-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}

/* tables */
table{border-collapse:collapse;margin:1.4rem 0;font-size:13px}
th{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);text-align:left;padding:8px 28px 8px 0;border-bottom:1px solid var(--hairline)}
td{padding:8px 28px 8px 0;border-bottom:1px solid var(--hairline);color:var(--ink-on-dark)}

/* screenshot placeholder slots */
.figslot{border:1px dashed rgba(157,217,217,.4);border-radius:10px;padding:28px;margin:1.8rem 0;background:rgba(157,217,217,.03)}
.figslot .fs-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);margin-bottom:8px}
.figslot .fs-file{font-family:var(--mono);font-size:11px;color:var(--white);margin-bottom:6px}
.figslot p{font-size:12.5px;color:var(--ink-dim);margin:0;max-width:560px}

/* guide chapter nav */
.chapter-nav{display:flex;flex-wrap:wrap;align-items:center;gap:18px;padding:14px 0;border-bottom:1px solid var(--hairline);margin-bottom:2.2rem}
.chapter-nav .cn-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim)}
.chapter-nav a{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-on-dark)}
.chapter-nav a:hover{color:var(--white)}
.chapter-nav a.active{color:var(--teal);border-bottom:1px solid rgba(157,217,217,.4);padding-bottom:2px}

/* stubs + footer */
.stub{border:1px dashed rgba(255,255,255,.2);border-radius:10px;padding:28px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);margin-top:2rem}
.footer{border-top:1px solid var(--hairline);margin-top:40px;padding-top:28px;padding-bottom:48px;font-size:12px;color:var(--ink-dim);display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer p{margin:0}
.footer .copyright{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.35);white-space:nowrap}
.footer .copyright .c-sym{font-size:13px;vertical-align:-1px;letter-spacing:0}
@media(max-width:720px){.entry{grid-template-columns:1fr}.wrap{padding:0 22px}h1{font-size:38px}.fig-pair,.fig-trio{grid-template-columns:1fr}}