/* ════════════════════════════════════════════════════════════════
   darklane.art · theme.css
   ────────────────────────────────────────────────────────────────
   void black + acid green · Instrument Serif / JetBrains Mono / Inter
   import in <head>:
     <link href="https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@300;400;500;600&display=swap" rel="stylesheet" />
     <link rel="stylesheet" href="/theme.css" />
   ════════════════════════════════════════════════════════════════ */

/* ──────── tokens ──────── */
:root {
  --bg: #0e0f11;
  --bg-2: #14161a;
  --surface: #16181c;
  --border: #1e2026;
  --border-mid: #2a2d35;
  --text: #e8e9eb;
  --text-dim: #b5b8c0;
  --muted: #7a7e8a;
  --dim: #4a4e5a;
  --faint: #2f323a;
  --accent: #c8f135;
  --accent-glow: rgba(200,241,53,.16);
  --accent-soft: rgba(200,241,53,.08);
  --accent-line: rgba(200,241,53,.35);

  --font-serif: 'Instrument Serif', 'Times New Roman', serif;
  --font-mono:  'JetBrains Mono', ui-monospace, monospace;
  --font-sans:  'Inter', system-ui, sans-serif;
}

/* ──────── reset ──────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }

/* ──────── body + ambient ──────── */
body {
  background: var(--bg);
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.75;
  min-height: 100vh;
  position: relative;
}
/* film grain — kills flat-black emptiness */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}
/* soft acid vignette at the top */
body::after {
  content: '';
  position: fixed; left: 0; right: 0; top: 0; height: 320px;
  background: radial-gradient(ellipse 60% 100% at 50% 0%, var(--accent-glow), transparent 70%);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

/* ──────── nav ──────── */
nav.site {
  position: relative; z-index: 10;
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(14,15,17,0.7);
  backdrop-filter: blur(8px);
}
nav.site .brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); letter-spacing: 0.16em; text-transform: uppercase;
  text-decoration: none;
}
nav.site .brand .mark { width: 18px; height: 18px; }
nav.site .links {
  display: flex; gap: 22px;
  color: var(--muted); letter-spacing: 0.16em; text-transform: uppercase;
}
nav.site .links a {
  color: var(--muted); text-decoration: none;
  border-bottom: 1px dashed transparent;
  padding-bottom: 1px;
  transition: color .15s, border-color .15s;
}
nav.site .links a:hover,
nav.site .links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ──────── article layout ──────── */
.page {
  position: relative; z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 32px 96px;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 64px;
}
@media (max-width: 900px) {
  .page { grid-template-columns: 1fr; gap: 32px; padding: 32px 22px 64px; }
  .rail-left { display: none; }
}

/* ──────── left rail (post meta + ToC) ──────── */
.rail-left {
  position: sticky; top: 100px; align-self: start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.rail-left .item { margin-bottom: 22px; }
.rail-left .item .lbl {
  color: var(--dim); display: block;
  margin-bottom: 4px;
  font-size: 9.5px; letter-spacing: 0.22em;
}
.rail-left .item .val { color: var(--text-dim); }
.rail-left .item .val.acid { color: var(--accent); }

.rail-left .toc {
  margin-top: 32px;
  border-top: 1px solid var(--border);
  padding-top: 22px;
}
.rail-left .toc-title {
  color: var(--dim);
  font-size: 9.5px; letter-spacing: 0.22em;
  margin-bottom: 14px;
}
.rail-left .toc a {
  display: block;
  color: var(--muted); text-decoration: none;
  padding: 6px 0 6px 14px;
  border-left: 1px solid var(--faint);
  font-size: 10.5px; letter-spacing: 0.1em;
  transition: color .15s, border-color .15s;
}
.rail-left .toc a:hover { color: var(--text-dim); }
.rail-left .toc a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* ──────── article ──────── */
article { min-width: 0; }

/* eyebrow */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.3em;
  color: var(--muted);
  text-transform: uppercase;
  display: flex; gap: 14px; align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.eyebrow .acid { color: var(--accent); }
.eyebrow .sep  { color: var(--dim); }
.eyebrow .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px rgba(200,241,53,0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 2px rgba(200,241,53,0.18); }
  50%      { box-shadow: 0 0 0 4px rgba(200,241,53,0.04); }
}

/* title */
h1.post-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.98;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
h1.post-title .accent { color: var(--accent); font-style: italic; }
h1.post-title .swash {
  font-style: italic; color: var(--accent);
  margin: 0 6px;
}

/* dek (subtitle) */
.dek {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  color: var(--muted);
  line-height: 1.4;
  max-width: 640px;
  margin-bottom: 32px;
}

/* tag chips */
.tags { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.14em; text-transform: lowercase;
  color: var(--accent);
  padding: 4px 10px 5px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: rgba(200,241,53,0.04);
  text-decoration: none;
}
.tag::before { content: '#'; color: var(--dim); }

/* byline */
.byline {
  display: flex; align-items: center; gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  flex-wrap: wrap;
}
.byline .author {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-dim);
}
.byline .author .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: #000;
  border: 1px solid var(--border-mid);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.byline .author .avatar svg { width: 100%; height: 100%; }
.byline .author .handle { color: var(--accent); }
.byline .sep { color: var(--dim); }
.byline .meta-item .lbl { color: var(--dim); margin-right: 6px; }

/* body copy */
article p {
  max-width: 660px;
  margin-bottom: 24px;
  color: var(--text-dim);
}
article p.lead {
  font-size: 19px;
  line-height: 1.7;
  color: var(--text);
}
article p.lead::first-letter {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 78px;
  line-height: 0.85;
  color: var(--accent);
  float: left;
  margin: 8px 12px 0 -2px;
}

/* headings */
article h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 38px;
  color: var(--text);
  margin: 56px 0 18px;
  line-height: 1.15;
  display: flex; align-items: baseline; gap: 18px;
}
article h2 .num {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--accent);
  letter-spacing: 0.2em;
}
article h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
  color: var(--text);
  margin: 36px 0 12px;
}

/* inline elements */
article a.inline,
article p > a {
  color: var(--accent); text-decoration: none;
  border-bottom: 1px solid var(--accent-line);
}
article a.inline:hover,
article p > a:hover { border-bottom-color: var(--accent); }
article em      { color: var(--text); font-style: italic; }
article strong  { color: var(--text); font-weight: 500; }
article code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid rgba(200,241,53,0.12);
}

/* lists */
article ul, article ol {
  max-width: 660px;
  margin: 0 0 24px 22px;
  color: var(--text-dim);
}
article li { margin-bottom: 6px; }
article li::marker { color: var(--accent); }

/* code blocks */
pre {
  max-width: 720px;
  margin: 24px 0;
  padding: 16px 18px;
  background: #0a0b0d;
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 3px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-dim);
}
pre code {
  background: none; border: none; padding: 0;
  color: inherit; font-size: inherit;
}

/* pull quote */
.pull {
  margin: 40px 0 40px -24px;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--accent);
  max-width: 640px;
}
.pull blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 26px; line-height: 1.35;
  color: var(--text);
}
.pull blockquote::before { content: '“'; color: var(--accent); margin-right: 4px; }
.pull blockquote::after  { content: '”'; color: var(--accent); margin-left: 4px; }
.pull cite {
  display: block; margin-top: 10px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10.5px; letter-spacing: 0.18em;
  color: var(--muted); text-transform: uppercase;
}
.pull cite::before { content: '— '; color: var(--dim); }

/* figure (image card with mac dots + caption) */
figure.fig {
  margin: 40px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
figure.fig .frame-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: #0a0b0d;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
figure.fig .frame-head .dots { display: flex; gap: 5px; }
figure.fig .frame-head .dots span {
  width: 8px; height: 8px; border-radius: 50%;
  border: 1px solid var(--border-mid);
}
figure.fig .frame-head .ref { color: var(--accent); }
figure.fig img,
figure.fig .placeholder { width: 100%; display: block; }
figure.fig .placeholder {
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.012) 0 12px, transparent 12px 24px),
    #0a0b0d;
  display: flex; align-items: center; justify-content: center;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.2em;
}
figure.fig figcaption {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--border);
  background: #0a0b0d;
  display: flex; gap: 12px; align-items: center;
  flex-wrap: wrap;
}
figure.fig figcaption .fig-no { color: var(--accent); }
figure.fig figcaption .sep    { color: var(--dim); }

/* section break */
hr.sep {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-mid) 50%, transparent);
  margin: 48px auto;
  max-width: 660px;
}

/* article foot — signature + share */
.post-foot {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
  flex-wrap: wrap;
}
.post-foot .sig {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted);
  font-size: 18px;
}
.post-foot .sig .acid {
  color: var(--accent); font-style: normal;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.2em; display: block; margin-top: 4px;
}
.post-foot .share {
  display: flex; gap: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
}
.post-foot .share a {
  color: var(--muted); text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border-mid);
  border-radius: 3px;
  transition: all .15s;
}
.post-foot .share a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* site footer */
footer.site {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.22em;
  color: var(--dim);
  text-transform: uppercase;
}
footer.site .acid { color: var(--accent); }

/* ──────── utility ──────── */
.acid     { color: var(--accent); }
.dim      { color: var(--dim); }
.muted    { color: var(--muted); }
.serif    { font-family: var(--font-serif); }
.mono     { font-family: var(--font-mono); }
.italic   { font-style: italic; }

