:root {
  --bg: #f5f2ea;
  --paper: #fcfbf7;
  --ink: #121212;
  --muted: #6f6a61;
  --line: #d7d1c6;
  --nvda: #5f9300;
  --tsmc: #b3221c;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.wrap {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.045em;
}
.brand span { font-weight: 400; }

.header-note {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero {
  min-height: 570px;
  padding: 100px 0 86px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.eyebrow,
.section-label {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 28px 0 0;
  max-width: 960px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(60px, 9vw, 124px);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.hero h1 em {
  color: var(--muted);
  font-weight: 400;
}

.intro {
  width: min(100%, 660px);
  margin: 66px 0 0 auto;
  font-size: clamp(19px, 2vw, 27px);
  line-height: 1.38;
  letter-spacing: -0.02em;
}

.featured,
.about {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.research-card {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.research-meta {
  padding: 28px 28px 28px 0;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  min-height: 380px;
}

.research-body {
  padding: 34px 0 34px 42px;
}

.companies {
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nvda { color: var(--nvda); }
.tsmc { color: var(--tsmc); }

.research-body h2,
.about-copy h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.research-body h2 {
  max-width: 850px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
}

.research-body > p:not(.companies) {
  max-width: 650px;
  margin: 28px 0 0;
  color: #3d3933;
  font-size: 17px;
}

.status {
  display: inline-block;
  margin-top: 38px;
  padding: 8px 11px 7px;
  border: 1px solid var(--ink);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.research-link {
  display: inline-block;
  margin-top: 34px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}

.about {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 42px;
}

.about-copy h2 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1;
}

.about-copy p {
  max-width: 650px;
  margin: 28px 0 0;
  color: #3d3933;
  font-size: 17px;
}

.site-footer {
  min-height: 120px;
  padding: 30px 0;
  border-top: 1px solid var(--ink);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}

.site-footer a { text-underline-offset: 3px; }

/* Research article */
.back-link { text-decoration: none; }

.article-hero {
  padding: 76px 0 84px;
  border-bottom: 1px solid var(--ink);
}

.article-kicker {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 72px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.article-hero h1 {
  max-width: 1000px;
  margin: 20px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(64px, 9.2vw, 126px);
  font-weight: 500;
  line-height: .9;
  letter-spacing: -.065em;
}

.article-dek {
  max-width: 730px;
  margin: 48px 0 0 auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(21px, 2.35vw, 31px);
  line-height: 1.35;
  letter-spacing: -.025em;
}

.thesis {
  padding: 52px 0 58px;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 42px;
  border-bottom: 1px solid var(--line);
}

.thesis > p {
  max-width: 880px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3.8vw, 48px);
  line-height: 1.12;
  letter-spacing: -.035em;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--ink);
}

.signal {
  min-height: 270px;
  padding: 28px 24px 26px;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
}
.signal:last-child { border-right: 0; }
.signal span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.signal-nvda span { color: var(--nvda); }
.signal-tsmc span { color: var(--tsmc); }
.signal strong {
  margin-top: 34px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(45px, 5vw, 68px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.05em;
}
.signal p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 13px;
}

.article-section {
  padding: 82px 0;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 42px;
  border-bottom: 1px solid var(--line);
}

.article-no {
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
}

.article-copy { max-width: 850px; }
.article-copy h2 {
  margin: 16px 0 36px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 5.2vw, 68px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.045em;
}
.article-copy > p:not(.section-label) {
  max-width: 720px;
  margin: 0 0 24px;
  color: #39352f;
  font-size: 18px;
  line-height: 1.65;
}

.pullquote {
  max-width: 720px;
  margin-top: 50px;
  padding: 28px 0 0;
  border-top: 1px solid var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(27px, 3.4vw, 43px);
  line-height: 1.15;
  letter-spacing: -.03em;
}

.transmission {
  padding: 74px 0 82px;
  border-bottom: 1px solid var(--ink);
}

.transmission-flow {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
}
.transmission-flow > div {
  min-height: 230px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
}
.transmission-flow > i {
  align-self: center;
  font-style: normal;
  font-size: 21px;
}
.transmission-flow span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
}
.transmission-flow strong {
  margin-top: 26px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 500;
  line-height: 1.04;
}
.transmission-flow p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.warning-box {
  max-width: 720px;
  margin-top: 48px;
  padding: 26px 28px;
  background: var(--ink);
  color: var(--bg);
}
.warning-box span {
  display: block;
  margin-bottom: 14px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.warning-box p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  line-height: 1.35;
}

.outlook {
  padding: 74px 0 82px;
  border-bottom: 1px solid var(--ink);
}
.outlook-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.outlook-grid > div {
  min-height: 275px;
  padding: 26px;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
}
.outlook-grid > div:last-child { border-right: 0; }
.outlook-grid span {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.outlook-grid strong {
  margin-top: 34px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.05em;
}
.outlook-grid p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 13px;
}

.watch-list {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.watch-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.watch-list span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}
.watch-list p {
  max-width: 620px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  line-height: 1.25;
}

.bottom-line {
  padding: 94px 0;
  border-bottom: 7px solid var(--ink);
}
.bottom-line h2 {
  max-width: 930px;
  margin: 18px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(52px, 7.2vw, 94px);
  font-weight: 500;
  line-height: .96;
  letter-spacing: -.055em;
}
.bottom-line > p:last-child {
  max-width: 730px;
  margin: 42px 0 0 auto;
  font-size: 20px;
  line-height: 1.55;
}

.materials {
  padding: 28px 0 48px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
}
.materials span {
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.materials a { text-underline-offset: 3px; }

@media (max-width: 900px) {
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .signal:nth-child(2) { border-right: 0; }
  .signal:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .transmission-flow { grid-template-columns: 1fr; }
  .transmission-flow > i { transform: rotate(90deg); justify-self: center; }
}

@media (max-width: 760px) {
  .wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .site-header {
    min-height: 68px;
  }

  .header-note {
    font-size: 9px;
  }

  .hero {
    min-height: 500px;
    padding: 72px 0 62px;
  }

  .hero h1 {
    font-size: clamp(54px, 16vw, 82px);
  }

  .intro {
    margin-top: 48px;
    font-size: 19px;
  }

  .featured,
  .about {
    padding: 56px 0;
  }

  .research-card,
  .about {
    grid-template-columns: 1fr;
  }

  .research-meta {
    min-height: auto;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
  }

  .research-body {
    padding: 28px 0;
  }

  .research-body h2,
  .about-copy h2 {
    font-size: clamp(38px, 12vw, 58px);
  }

  .about {
    gap: 26px;
  }

  .site-footer {
    min-height: 96px;
    flex-direction: column;
    justify-content: flex-start;
  }

  .article-hero { padding: 54px 0 62px; }
  .article-kicker { margin-bottom: 46px; }
  .article-hero h1 { font-size: clamp(54px, 16vw, 82px); }
  .article-dek { margin-top: 34px; font-size: 20px; }
  .thesis, .article-section { grid-template-columns: 1fr; gap: 22px; }
  .thesis { padding: 44px 0 48px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal, .signal:nth-child(2) { min-height: 215px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .signal:last-child { border-bottom: 0; }
  .article-section { padding: 58px 0; }
  .article-copy > p:not(.section-label) { font-size: 16px; }
  .transmission, .outlook { padding: 56px 0 62px; }
  .outlook-grid { grid-template-columns: 1fr; }
  .outlook-grid > div { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .outlook-grid > div:last-child { border-bottom: 0; }
  .warning-box { padding: 23px; }
  .warning-box p { font-size: 20px; }
  .watch-list li { grid-template-columns: 42px 1fr; gap: 12px; }
  .watch-list p { font-size: 20px; }
  .bottom-line { padding: 68px 0; }
  .bottom-line > p:last-child { font-size: 17px; }
  .materials { align-items: flex-start; flex-direction: column; gap: 10px; }
}