/* SIGNAL // NOISE
   Direction: a quiet "trading terminal after hours" — deep ink background, a single
   electric-cyan signal accent, mono for data, a warm serif for reading. The signature
   is the ticker-style numbered feed and the cyan baseline that underlines live elements. */

:root{
  --ink:#0c0f14;        /* near-black blue */
  --panel:#12161d;
  --line:#222a35;
  --text:#e7ebf0;
  --muted:#8a97a8;
  --signal:#39e1c4;     /* electric cyan-green: the one accent */
  --amber:#ffb347;      /* market up/down secondary, used sparingly */
  --display:"Space Grotesk",system-ui,sans-serif;
  --serif:"Newsreader",Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --wrap:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--serif);
  font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;
  background:rgba(12,15,20,.85);backdrop-filter:blur(8px);z-index:10}
.brand{font-family:var(--mono);font-weight:500;letter-spacing:.04em;color:var(--text);
  text-decoration:none;font-size:.95rem}
.brand span{color:var(--signal)}
.beat{font-family:var(--mono);font-size:.7rem;color:var(--muted);text-transform:lowercase;letter-spacing:.08em}

main{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;
  letter-spacing:.18em;color:var(--signal);margin:0 0 12px}

/* hero */
.hero{padding:80px 0 48px;border-bottom:1px solid var(--line)}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(2rem,6vw,3.4rem);
  line-height:1.04;letter-spacing:-.02em;margin:0 0 20px}
.lede{color:var(--muted);font-size:1.1rem;max-width:52ch;margin:0}

/* feed */
.feed{padding:8px 0 40px}
.card{display:flex;gap:20px;padding:28px 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;transition:transform .15s ease}
.card:hover{transform:translateX(4px)}
.card .num{font-family:var(--mono);font-size:.8rem;color:var(--muted);padding-top:6px;min-width:2ch}
.card:hover .num{color:var(--signal)}
.card h2{font-family:var(--display);font-weight:500;font-size:1.45rem;line-height:1.15;
  margin:0 0 8px;letter-spacing:-.01em}
.card:hover h2{color:var(--signal)}
.card p{color:var(--muted);margin:0 0 12px;font-size:.98rem}
.meta{display:flex;gap:14px;align-items:center;font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.tags span{margin-left:8px}
.tags span::before{content:"#";color:var(--line)}
.empty{color:var(--muted);font-family:var(--mono);padding:60px 0}

/* post */
.post{padding:56px 0}
.post h1{font-family:var(--display);font-weight:700;font-size:clamp(1.8rem,5vw,2.8rem);
  line-height:1.08;letter-spacing:-.02em;margin:0 0 16px}
.byline{font-family:var(--mono);font-size:.75rem;color:var(--muted);
  border-bottom:1px solid var(--line);padding-bottom:24px;margin:0 0 32px}
.prose{font-size:1.12rem}
.prose h2{font-family:var(--display);font-weight:500;font-size:1.5rem;margin:40px 0 14px;
  padding-left:14px;border-left:2px solid var(--signal)}
.prose h3{font-family:var(--display);font-weight:500;font-size:1.2rem;margin:30px 0 10px}
.prose p{margin:0 0 20px}
.prose a{color:var(--signal);text-decoration:none;border-bottom:1px solid var(--line)}
.prose a:hover{border-color:var(--signal)}
.prose ul{padding-left:20px}
.prose li{margin:0 0 8px}
.prose strong{color:#fff}

.sources{margin-top:48px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:8px}
.sources h3{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;
  color:var(--muted);margin:0 0 12px}
.sources ul{list-style:none;padding:0;margin:0}
.sources li{margin:0 0 8px;font-size:.85rem;word-break:break-all}
.sources a{color:var(--signal);text-decoration:none}

footer{max-width:var(--wrap);margin:60px auto 0;padding:28px 24px;border-top:1px solid var(--line)}
footer p{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin:0}

.adsbygoogle{margin:32px 0;display:block}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:600px){body{font-size:17px}.hero{padding:56px 0 36px}}

/* ---- nav archive link ---- */
.nav nav{display:flex;align-items:center;gap:20px}
.navlink{font-family:var(--mono);font-size:.7rem;color:var(--muted);text-decoration:none;
  text-transform:lowercase;letter-spacing:.08em;border-bottom:1px solid transparent;white-space:nowrap}
.navlink:hover{color:var(--signal);border-color:var(--signal)}

/* ---- featured lead post ---- */
.featured{display:block;text-decoration:none;color:var(--text);padding:36px;margin:8px 0 40px;
  background:linear-gradient(135deg,var(--panel),rgba(57,225,196,.04));
  border:1px solid var(--line);border-radius:14px;position:relative;overflow:hidden;
  transition:border-color .2s ease,transform .2s ease}
.featured *{text-decoration:none}
.featured::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--signal)}
.featured:hover{border-color:var(--signal);transform:translateY(-2px)}
.featured h2{font-family:var(--display);font-weight:700;font-size:clamp(1.6rem,3.5vw,2.3rem);
  line-height:1.1;letter-spacing:-.02em;margin:6px 0 14px;color:var(--text)}
.featured:hover h2{color:var(--signal)}
.featured-desc{color:var(--muted);font-size:1.05rem;max-width:60ch;margin:0 0 18px}
.featured .meta{color:var(--muted)}
.featured time{color:var(--muted)}

/* ---- archive link on homepage ---- */
.archive-link{display:inline-block;font-family:var(--mono);font-size:.8rem;color:var(--signal);
  text-decoration:none;margin:24px 0 8px;border-bottom:1px solid var(--line);padding-bottom:2px}
.archive-link:hover{border-color:var(--signal)}

/* ---- archive page ---- */
.archive .amonth{margin:0 0 36px}
.archive .amonth h2{font-family:var(--mono);font-size:.8rem;text-transform:uppercase;
  letter-spacing:.14em;color:var(--signal);border-bottom:1px solid var(--line);
  padding-bottom:10px;margin:0 0 6px}
.arow{display:grid;grid-template-columns:64px 1fr auto;gap:16px;align-items:baseline;
  padding:14px 8px;text-decoration:none;color:inherit;border-bottom:1px solid rgba(34,42,53,.5);
  transition:background .15s ease}
.arow:hover{background:rgba(57,225,196,.04)}
.arow time{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.arow .atitle{font-family:var(--display);font-weight:500;font-size:1.05rem;line-height:1.25}
.arow:hover .atitle{color:var(--signal)}
.arow .atags{font-family:var(--mono);font-size:.65rem;color:var(--muted)}
.arow .atags span::before{content:"#";color:var(--line)}
@media(max-width:600px){.arow{grid-template-columns:52px 1fr}.arow .atags{display:none}}

/* ===== signature: hero signal waveform ===== */
.hero{position:relative;overflow:hidden}
.hero-text{position:relative;z-index:2}
.wave{position:absolute;inset:0;z-index:1;display:flex;align-items:center;
  pointer-events:none;opacity:.5;mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent)}
.wave svg{width:100%;height:140px}
.wave-base{fill:none;stroke:var(--line);stroke-width:1;opacity:.6}
.wave-line{fill:none;stroke:var(--signal);stroke-width:1.4;
  filter:drop-shadow(0 0 6px rgba(57,225,196,.55));
  stroke-dasharray:1600;stroke-dashoffset:1600;
  animation:trace 4.5s ease-out forwards, pulse 3.2s ease-in-out 4.5s infinite}
@keyframes trace{to{stroke-dashoffset:0}}
@keyframes pulse{0%,100%{opacity:.45}50%{opacity:.95}}

/* ===== scroll reveal (only hides when JS marks html.js; safe if JS is off) ===== */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* ===== richer hover depth ===== */
.card{transition:transform .18s ease,background .18s ease}
.card:hover{background:rgba(57,225,196,.03)}
.featured:hover{box-shadow:0 12px 40px rgba(0,0,0,.45),0 0 0 1px var(--signal)}

@media(prefers-reduced-motion:reduce){
  .wave-line{animation:none;stroke-dashoffset:0;opacity:.4}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---- post lead card visual ---- */
.lead-card{margin:8px 0 36px;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:0 8px 30px rgba(0,0,0,.35)}
.lead-card svg{display:block;width:100%;height:auto}

/* ---- footer links ---- */
.foot-links{margin-top:10px}
.foot-links a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line)}
.foot-links a:hover{color:var(--signal);border-color:var(--signal)}

/* ---- about page ---- */
.about-prose{max-width:64ch}
.about-prose ul{padding-left:20px;margin:18px 0}
.about-prose li{margin:0 0 10px}

/* ---- reading progress bar ---- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:50;
  background:var(--signal);box-shadow:0 0 8px rgba(57,225,196,.6);transition:width .08s linear}

/* ---- read time in byline ---- */
.byline .rt{margin-left:14px;padding-left:14px;border-left:1px solid var(--line)}

/* ---- drop cap on first paragraph ---- */
.prose > p:first-of-type::first-letter{
  float:left;font-family:var(--display);font-weight:700;font-size:3.4rem;line-height:.82;
  padding:6px 12px 0 0;color:var(--signal)}

/* ---- related posts ---- */
.related{max-width:var(--wrap);margin:56px auto 0;padding-top:32px;border-top:1px solid var(--line)}
.related-h{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--muted);margin:0 0 20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{display:block;padding:20px;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;text-decoration:none;color:var(--text);transition:border-color .18s ease,transform .18s ease}
.rel-card:hover{border-color:var(--signal);transform:translateY(-2px)}
.rel-card h3{font-family:var(--display);font-weight:500;font-size:1.05rem;line-height:1.25;margin:0 0 12px}
.rel-card:hover h3{color:var(--signal)}
.rel-card .tags{font-family:var(--mono);font-size:.65rem;color:var(--muted)}
.rel-card .tags span{margin-right:8px}
.rel-card .tags span::before{content:"#";color:var(--line)}
@media(max-width:700px){.rel-grid{grid-template-columns:1fr}}

/* ---- mobile nav: prevent crowding/overflow ---- */
@media(max-width:600px){
  .nav{padding:14px 16px;flex-wrap:wrap;gap:6px 14px}
  .brand{font-size:.9rem;margin-right:4px}
  .nav nav{gap:14px;flex-wrap:wrap}
  .navlink{font-size:.72rem}
  .beat{display:none}            /* drop the decorative tagline on phones */
}
@media(max-width:380px){
  .nav nav{gap:10px}
  .navlink{font-size:.68rem}
}

/* ===== signature cover images ===== */
.post-cover{display:block;width:100%;height:auto;border:1px solid var(--line);
  border-radius:12px;margin:0 0 32px;box-shadow:0 8px 30px rgba(0,0,0,.4)}
.featured-cover{display:block;width:100%;height:auto;border-bottom:1px solid var(--line)}
.featured{padding:0 !important;overflow:hidden}
.featured-body{padding:28px 36px 32px}
.featured::before{display:none}  /* cover replaces the old accent bar */

/* category accent on homepage cards (set via --accent inline) */
.card .num{color:var(--muted)}
.card:hover .num{color:var(--accent,var(--signal))}
.card:hover h2{color:var(--accent,var(--signal))}
.card:hover{background:color-mix(in srgb, var(--accent,var(--signal)) 4%, transparent)}
.featured:hover h2{color:var(--accent,var(--signal))}
.featured:hover{border-color:var(--accent,var(--signal));box-shadow:0 12px 40px rgba(0,0,0,.5)}

/* visually-hidden title (kept in DOM for SEO/screen-readers; cover shows it visually) */
.sr-title{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.post .eyebrow{margin-top:0}

/* ===== homepage sections ===== */
.home-section{margin:56px 0 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;
  border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:8px}
.section-head h2{font-family:var(--display);font-size:1.5rem;font-weight:700;margin:0;
  color:var(--text);border-left:4px solid var(--accent,var(--signal));padding-left:14px}
.section-more{font-family:var(--mono);font-size:.72rem;color:var(--muted);text-decoration:none;
  text-transform:lowercase;letter-spacing:.05em}
.section-more:hover{color:var(--accent,var(--signal))}

/* ===== clickable tag links ===== */
.tag-link{font-family:var(--mono);font-size:.65rem;color:var(--muted);text-decoration:none;
  text-transform:lowercase;letter-spacing:.04em;margin-right:10px;white-space:nowrap}
.tag-link::before{content:"#";color:var(--line)}
.tag-link:hover{color:var(--accent,var(--signal))}
.post .eyebrow .tag-link{font-size:.7rem}

/* ===== topic page ===== */
.topic-page .hero h1{color:var(--accent,var(--signal))}