:root {
  --pub-gold: #d4af37;
  --pub-gold-soft: #f2d974;
  --pub-black: #050505;
  --pub-charcoal: #141414;
  --pub-paper: #f4f1e9;
  --pub-white: #fff;
  --pub-muted: #aaa69e;
  --pub-line: rgba(212, 175, 55, 0.24);
  --pub-max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--pub-white);
  background: var(--pub-black);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.pub-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--pub-line);
  background: rgba(7, 7, 7, 0.97);
  backdrop-filter: blur(14px);
}
.pub-brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--pub-white);
  text-decoration: none;
  font-weight: 800;
}
.pub-brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--pub-black);
  background: var(--pub-gold);
  font-size: 13px;
}
.pub-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 22px;
}
.pub-nav a {
  color: #d5d5d5;
  text-decoration: none;
  font-size: 14px;
}
.pub-nav a:hover,
.pub-nav a:focus-visible,
.pub-nav .is-active { color: var(--pub-gold-soft); }

.pub-hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(47, 67, 96, 0.45), transparent 38%),
    radial-gradient(circle at 18% 82%, rgba(105, 26, 32, 0.22), transparent 30%),
    linear-gradient(135deg, #020202, #111 62%, #19150c);
}
.pub-hero-inner {
  display: grid;
  width: min(var(--pub-max), 90vw);
  min-height: 650px;
  margin: 0 auto;
  padding: 88px 0;
  grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
  align-items: center;
  gap: 64px;
}
.pub-kicker {
  margin: 0 0 14px;
  color: var(--pub-gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.pub-hero h1,
.pub-section h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 0.98;
}
.pub-hero h1 { font-size: clamp(56px, 7vw, 104px); }
.pub-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: #d7d3cc;
  font-size: clamp(18px, 2vw, 24px);
}
.pub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.pub-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid rgba(255,255,255,.25);
  text-decoration: none;
  font-weight: 800;
}
.pub-button-primary {
  border-color: var(--pub-gold);
  color: var(--pub-black);
  background: var(--pub-gold);
}
.pub-button-secondary { color: var(--pub-white); background: rgba(255,255,255,.03); }
.pub-hero-visual {
  overflow: hidden;
  border: 1px solid rgba(212,175,55,.34);
  background: #101010;
  box-shadow: 0 36px 80px rgba(0,0,0,.48);
}
.pub-hero-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.pub-hero-visual figcaption {
  padding: 13px 18px;
  border-top: 1px solid var(--pub-line);
  color: var(--pub-muted);
  font-size: 13px;
}

.pub-section {
  width: min(var(--pub-max), 90vw);
  margin: 0 auto;
  padding: 90px 0;
}
.pub-section-light {
  width: 100%;
  color: #111;
  background: var(--pub-paper);
}
.pub-section-light > .pub-section-inner {
  width: min(var(--pub-max), 90vw);
  margin: 0 auto;
  padding: 90px 0;
}
.pub-section-heading {
  display: grid;
  margin-bottom: 42px;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: 48px;
  align-items: end;
}
.pub-section h2 { font-size: clamp(40px, 5vw, 72px); }
.pub-section-heading > p { margin: 0; color: #b7b2a9; font-size: 18px; }
.pub-section-light .pub-section-heading > p { color: #68635b; }

.pub-lanes,
.pub-volume-grid,
.pub-framework-grid {
  display: grid;
  gap: 18px;
}
.pub-lanes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pub-lane {
  position: relative;
  min-height: 330px;
  padding: 34px;
  border: 1px solid var(--pub-line);
  background: linear-gradient(145deg, #151515, #090909);
}
.pub-lane:nth-child(2) { background: linear-gradient(145deg, #242016, #0c0b08); }
.pub-lane:nth-child(3) { background: linear-gradient(145deg, #14222a, #080d10); }
.pub-index {
  color: var(--pub-gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}
.pub-lane h3,
.pub-volume h3,
.pub-framework-card h3 { margin: 18px 0 12px; font-size: 26px; line-height: 1.15; }
.pub-lane p,
.pub-volume p,
.pub-framework-card p { color: #bdb8af; }
.pub-status {
  display: inline-flex;
  margin-top: 18px;
  padding: 6px 10px;
  border: 1px solid rgba(212,175,55,.35);
  color: var(--pub-gold-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.pub-lane-link {
  display: inline-block;
  margin-top: 24px;
  color: var(--pub-gold-soft);
  font-weight: 800;
}

.pub-research-feature {
  padding: 92px 0;
  color: #151515;
  background: #e8edf0;
}

.pub-research-feature-inner {
  display: grid;
  width: min(var(--pub-max), 90vw);
  margin: 0 auto;
  grid-template-columns: minmax(340px, .8fr) minmax(0, 1.2fr);
  gap: 68px;
  align-items: center;
}

.pub-research-feature img {
  width: 100%;
  max-height: 590px;
  object-fit: contain;
  object-position: top;
  box-shadow: 0 30px 70px rgba(19, 38, 52, .18);
}

.pub-research-feature h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.02;
}

.pub-research-feature p:not(.pub-kicker) {
  max-width: 720px;
  color: #5b6267;
  font-size: 19px;
}

.pub-research-feature .pub-button-secondary {
  color: #151515;
  border-color: rgba(0, 0, 0, .25);
}

.pub-volume-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.pub-volume {
  min-height: 360px;
  padding: 26px;
  border-top: 4px solid var(--volume-color, var(--pub-gold));
  background: #121212;
}
.pub-volume:nth-child(1) { --volume-color: #395778; }
.pub-volume:nth-child(2) { --volume-color: #4d4d4d; }
.pub-volume:nth-child(3) { --volume-color: #315c45; }
.pub-volume:nth-child(4) { --volume-color: #7a3438; }
.pub-volume:nth-child(5) { --volume-color: #4d3a69; }
.pub-volume-number { color: var(--pub-muted); font-family: Georgia,serif; font-size: 42px; }
.pub-volume h3 { font-size: 21px; }

.pub-framework-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pub-framework-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid rgba(68,57,31,.2);
  background: #fff;
}
.pub-framework-card span { color: #9b7614; font-weight: 900; font-size: 12px; letter-spacing: .07em; }
.pub-framework-card p { color: #666057; }

.pub-cta {
  padding: 92px 5vw;
  text-align: center;
  border-top: 1px solid var(--pub-line);
  background: radial-gradient(circle at 50% 0, rgba(212,175,55,.18), transparent 45%), #090909;
}
.pub-cta-inner { width: min(820px, 90vw); margin: 0 auto; }
.pub-cta h2 { margin: 0; font-family: Georgia,serif; font-size: clamp(38px,5vw,64px); font-weight: 400; line-height: 1.05; }
.pub-cta p { color: #c9c5bd; font-size: 18px; }
.pub-cta .pub-actions { justify-content: center; }

.pub-footer {
  padding: 28px 5vw;
  border-top: 1px solid rgba(255,255,255,.1);
  color: #aaa;
  background: #050505;
}
.pub-footer-inner {
  display: flex;
  width: min(var(--pub-max), 100%);
  margin: 0 auto;
  justify-content: space-between;
  gap: 24px;
}
.pub-footer-links { display: flex; flex-wrap: wrap; gap: 18px; }

@media (max-width: 1080px) {
  .pub-hero-inner { grid-template-columns: 1fr; }
  .pub-lanes { grid-template-columns: 1fr; }
  .pub-volume-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pub-framework-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pub-research-feature-inner { grid-template-columns: 1fr; }
  .pub-research-feature img { max-height: 480px; }
}
@media (max-width: 760px) {
  .pub-header { position: static; align-items: flex-start; padding-block: 16px; }
  .pub-nav { gap: 12px 16px; }
  .pub-hero-inner { min-height: auto; padding: 58px 0; gap: 34px; }
  .pub-hero h1 { font-size: 54px; }
  .pub-section-heading,
  .pub-lanes,
  .pub-volume-grid,
  .pub-framework-grid { grid-template-columns: 1fr; }
  .pub-section, .pub-section-light > .pub-section-inner { padding: 64px 0; }
  .pub-volume { min-height: auto; }
  .pub-footer-inner { flex-direction: column; }
}