:root{
  --bg:#faf9f7;          /* warm paper white */
  --surface:#fff;
  --ink:#141311;         /* warm near-black */
  --ink-soft:#6f6a62;    /* muted text */
  --ink-faint:#9a948a;
  --line:#e7e2da;        /* hairline */
  --line-strong:#d9d3c9;
  --accent:#141311;
  --serif:'Instrument Serif', Georgia, serif;
  --sans:'Inter', system-ui, -apple-system, sans-serif;
  --mono:'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:860px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}
em{font-family:var(--serif);font-style:italic}

/* header */
.top{position:sticky;top:0;background:rgba(250,249,247,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{font-family:var(--serif);font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:.01em}
.nav{display:flex;gap:22px}
.nav a{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);text-decoration:none}
.nav a:hover{color:var(--ink)}

/* hero */
.hero{padding:88px 0 40px}
.kicker{color:var(--ink-faint);margin-bottom:26px}
.display{
  font-family:var(--serif);font-weight:400;line-height:.98;
  font-size:clamp(2.8rem,8vw,5.2rem);letter-spacing:-.01em;
  text-wrap:balance}
.display em{font-weight:400}
.lede{max-width:54ch;color:var(--ink-soft);font-size:1.08rem;margin-top:30px}

/* quadrant, squares */
.map{display:flex;justify-content:center;padding:72px 0 34px}
.quad-wrap{position:relative;width:min(460px,92vw)}
.quad{
  display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;
  gap:10px;width:100%;aspect-ratio:1/1}
.cell{
  border:1px solid var(--line);border-radius:6px;background:var(--surface);
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:18px}
.cell h3{font-family:var(--serif);font-weight:400;font-size:1.35rem;line-height:1.15;max-width:12ch}
.cell.tl.highlighted{background:#f3f1ec;box-shadow:inset 0 0 0 2px var(--ink)}
.axis{position:absolute;font-family:var(--mono);font-size:.6rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-faint);white-space:nowrap}
.axis-y{left:-132px;top:50%;transform:translateY(-50%) rotate(-90deg)}
.axis-y .axis-arrow.up{display:inline-block;transform:rotate(90deg)}
.axis-x{left:50%;transform:translateX(-50%);bottom:-30px}
.map-cap{color:var(--ink-faint);font-family:var(--mono);font-size:.68rem;letter-spacing:.04em;margin-top:48px;text-align:center}
.tagline{color:var(--ink-faint);font-family:var(--serif);font-style:italic;text-align:center;font-size:1.05rem;margin-top:14px}

/* sources */
.sources{padding:26px 0 90px;border-top:1px solid var(--line)}

/* source list, editorial rows, hairline dividers */
.source{
  display:block;padding:26px 4px;border-bottom:1px solid var(--line)}
.source:first-of-type{border-top:1px solid var(--line)}
.source-name{font-family:var(--serif);font-weight:400;font-size:1.6rem;line-height:1.1;margin-bottom:16px}
.comment{
  color:var(--ink-faint);font-family:var(--serif);font-style:italic;font-size:1rem;
  margin:-6px 0 16px;max-width:60ch}

/* split: content | channel */
.split{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:1px solid var(--line)}
.split.full{grid-template-columns:1fr}
.split-half{background:var(--surface);padding:16px;display:flex;flex-direction:column;gap:12px}
.split-label{color:var(--ink-faint);font-family:var(--mono);font-size:.62rem;letter-spacing:.06em;text-transform:uppercase}

/* media cards (video thumb & channel avatar) */
.thumb{display:block;text-decoration:none}
.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:4px;background:#eceae4}
.thumb img.avatar{aspect-ratio:1/1;width:44px;height:44px;border-radius:50%;margin-bottom:8px;object-fit:cover}
.thumb-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;height:110px;border:1px dashed var(--line-strong);border-radius:4px;color:var(--ink-faint)}
.th-icon{font-size:1.1rem;opacity:.6}
.slot-link{display:block;color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-strong);font-size:.88rem;font-weight:500;margin-top:8px}
a.thumb:hover .slot-link{text-decoration-color:var(--ink)}
.slot-empty{color:var(--ink-faint);font-family:var(--mono);font-size:.68rem;letter-spacing:.02em}

/* footer */
.foot{padding:34px 0;border-top:1px solid var(--line)}
.foot .mono{color:var(--ink-soft);line-height:1.8}
.foot a{color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px}
.foot a:hover{color:var(--ink)}

.empty{color:var(--ink-soft);padding:30px 0;font-family:var(--serif);font-style:italic}

@media (max-width:640px){
  .cell h3{font-size:1.05rem}
  .cell{padding:12px}
  .axis-y{left:-104px}
  .sources{padding:20px 0 70px}
}