/* ==========================================================================
   Edidiong Umana · writing
   Same tokens as the deck, tuned for long-form reading: a scrolling page,
   a sans body at a comfortable measure, serif headings, mono metadata.
   ========================================================================== */

:root{
  --bg:#0F0F11; --bg-2:#17171B; --bg-3:#1E1E23; --ink:#F2F1EB; --dim:#A3A198; --faint:#6A6962;
  --line:rgba(242,241,235,.09); --line-2:rgba(242,241,235,.18); --live:#7BD88F;
  --mono:"Geist Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Instrument Serif","Iowan Old Style","Times New Roman",serif;
  --measure:68ch;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#F1EFE8; --bg-2:#E8E5DC; --bg-3:#DEDBD1; --ink:#131313; --dim:#55534D; --faint:#8A877E;
  --line:rgba(19,19,19,.10); --line-2:rgba(19,19,19,.22); --live:#1E8A3C;
  color-scheme:light;
}

*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;transition:background-color .4s,color .4s}
a{color:inherit;text-decoration-color:var(--line-2);text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
img{max-width:100%;height:auto}
::selection{background:var(--ink);color:var(--bg)}
:focus-visible{outline:1px solid var(--ink);outline-offset:3px}
.it{font-family:var(--serif);font-style:italic;font-weight:400}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:50;background:var(--ink);color:var(--bg);padding:6px 10px;border-radius:6px}

/* ---------- top bar ---------- */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--dim)}
.mark svg{width:26px;height:26px;color:var(--ink)}
.mark b{color:var(--ink);font-weight:400}
.top-r{display:flex;align-items:center;gap:10px}
.chip{background:none;border:1px solid var(--line-2);border-radius:999px;padding:5px 12px;font-family:var(--mono);font-size:12px;color:var(--dim);cursor:pointer;text-decoration:none;transition:color .2s,border-color .2s}
.chip:hover,.chip:focus-visible{color:var(--ink);border-color:var(--ink);outline:none}

/* ---------- layout ---------- */
.wrap{max-width:var(--measure);margin:0 auto;padding:0 20px}
.meta{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--faint);display:flex;flex-wrap:wrap;gap:6px 14px}
.meta .series{color:var(--live)}

/* ---------- index ---------- */
.hero{padding:72px 0 28px}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(44px,8vw,76px);line-height:1;letter-spacing:-.02em;margin:0 0 16px}
.hero p{color:var(--dim);margin:0;max-width:56ch}
.series-row{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 8px;padding:0;list-style:none}
.series-row li{font-family:var(--mono);font-size:11.5px;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.posts{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--line)}
.posts li{border-bottom:1px solid var(--line)}
.posts a{display:block;padding:26px 0;text-decoration:none}
.posts h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,4.2vw,34px);line-height:1.12;margin:8px 0 8px;letter-spacing:-.01em}
.posts p{margin:0;color:var(--dim);font-size:16px}
.posts a:hover h2{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}

/* ---------- article ---------- */
.post-head{padding:64px 0 26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.post-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(38px,6.4vw,60px);line-height:1.04;letter-spacing:-.02em;margin:14px 0 16px}
.dek{font-size:19px;color:var(--dim);margin:0}
.prose h2{font-family:var(--serif);font-weight:400;font-size:30px;line-height:1.15;margin:46px 0 12px;letter-spacing:-.01em}
.prose h3{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);margin:34px 0 8px}
.prose p,.prose ul,.prose ol{margin:0 0 18px}
.prose ul,.prose ol{padding-left:1.2em}
.prose li{margin:0 0 8px}
.prose strong{font-weight:600}
.prose blockquote{margin:26px 0;padding:4px 0 4px 18px;border-left:2px solid var(--live);font-family:var(--serif);font-size:24px;line-height:1.3;color:var(--ink)}
.prose code{font-family:var(--mono);font-size:.86em;background:var(--bg-2);border:1px solid var(--line);border-radius:5px;padding:1px 5px;overflow-wrap:anywhere}
.prose pre{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:16px 18px;overflow-x:auto;margin:0 0 22px;font-size:14px;line-height:1.6}
.prose pre code{background:none;border:0;padding:0;font-size:inherit;overflow-wrap:normal}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.prose th,.prose td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--dim)}
.table-scroll{overflow-x:auto}
.note{border:1px solid var(--line-2);border-radius:12px;padding:16px 18px;margin:26px 0;background:var(--bg-2);font-size:16px}
.note b{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--live);display:block;margin-bottom:4px}
.sources{font-size:15px;color:var(--dim)}
.sources li{margin-bottom:6px}

/* ---------- author + footer ---------- */
.author{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:center;margin:52px 0 0;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.author img{width:56px;height:56px;border-radius:50%;object-fit:cover;filter:grayscale(1)}
.author p{margin:0;font-size:15px;color:var(--dim)}
.author strong{color:var(--ink);font-weight:600}
.next{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0}
.foot{margin:64px 0 0;padding:24px 0 40px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--faint);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.foot a{color:var(--dim)}

@media (max-width:560px){
  body{font-size:16.5px}
  .top{padding:12px 16px}
  .wrap{padding:0 16px}
  .hero{padding-top:48px}
  .post-head{padding-top:44px}
  .mark span{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}