:root {
  --bg: #0b0f14;
  --bg-elev: #121820;
  --bg-card: #161e28;
  --border: #243041;
  --text: #e8eef6;
  --muted: #9aabbf;
  --faint: #6b7c90;
  --accent: #c9a227;
  --accent-dim: #8a7020;
  --link: #7eb8ff;
  --link-hover: #a8d0ff;
  --ok: #3d9a6a;
  --warn: #d4a017;
  --bad: #c45c5c;
  --debate: #b07cc6;
  --max: 920px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--link-hover); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 36px; height: 36px;
  flex-shrink: 0;
}
.brand span { font-size: 0.95rem; }
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.88rem;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
}
.nav a:hover { color: var(--accent); }

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
}
@media (max-width: 780px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.eyebrow {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.lede {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 38rem;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.28rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--faint);
  background: var(--bg-elev);
}
.chip.warn { border-color: #5a4820; color: var(--warn); }
.chip.ok { border-color: #2a5a40; color: var(--ok); }

.hero-art {
  justify-self: center;
  width: min(280px, 100%);
}

/* Sections */
section {
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--border);
}
section h2 {
  font-size: 1.55rem;
  margin: 0 0 0.35rem;
  letter-spacing: -0.015em;
}
.section-kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.section-intro {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 42rem;
}

.prose p { margin: 0 0 1rem; color: var(--text); }
.prose p.muted { color: var(--muted); }
.prose ul, .prose ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--muted);
}
.prose li { margin-bottom: 0.45rem; }
.prose strong { color: var(--text); font-weight: 600; }

/* Cards / callouts */
.callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
  border-radius: 0 8px 8px 0;
}
.callout.bad { border-left-color: var(--bad); }
.callout.ok { border-left-color: var(--ok); }
.callout.debate { border-left-color: var(--debate); }
.callout h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  color: var(--text);
}
.callout p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.15rem;
}
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}
.card p, .card li {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}
.card ul { margin: 0; padding-left: 1.1rem; }
.card li { margin-bottom: 0.35rem; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 600px) {
  .timeline li { grid-template-columns: 1fr; gap: 0.25rem; }
}
.tl-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  padding-top: 0.2rem;
}
.tl-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
}
.tl-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}
.tl-body a.src {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--link);
}

/* Hype vs reality table */
.hv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0 0;
}
.hv-table th, .hv-table td {
  border: 1px solid var(--border);
  padding: 0.7rem 0.85rem;
  text-align: left;
  vertical-align: top;
}
.hv-table th {
  background: var(--bg-elev);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hv-table td:first-child { color: var(--faint); width: 28%; }
.hv-table .claim { color: var(--warn); }
.hv-table .reality { color: var(--text); }

/* Feed */
.feed-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}
.feed-controls label {
  font-size: 0.85rem;
  color: var(--muted);
}
.feed-controls input {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  font-family: var(--font);
  min-width: 12rem;
}
.feed-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.15rem;
  margin-bottom: 0.75rem;
}
.feed-item header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  align-items: baseline;
  margin-bottom: 0.4rem;
}
.feed-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
}
.feed-venue {
  font-size: 0.75rem;
  color: var(--faint);
}
.feed-item h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}
.feed-item h3 a { color: var(--text); text-decoration: none; }
.feed-item h3 a:hover { color: var(--link); }
.feed-item p {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.93rem;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--faint);
  border: 1px solid var(--border);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}
.feed-empty { color: var(--faint); font-style: italic; }

/* Glossary */
.glossary dt {
  font-weight: 600;
  margin-top: 1rem;
  color: var(--text);
}
.glossary dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
  padding-left: 0;
}

/* Sources */
.sources {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: src;
}
.sources li {
  counter-increment: src;
  padding: 0.75rem 0 0.75rem 2.2rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  color: var(--muted);
  font-size: 0.9rem;
}
.sources li::before {
  content: "[" counter(src) "]";
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  top: 0.9rem;
}
.sources cite { font-style: normal; color: var(--text); }

/* Footer */
.site-footer {
  padding: 2rem 0 3rem;
  color: var(--faint);
  font-size: 0.85rem;
}
.site-footer p { margin: 0 0 0.5rem; }
.disclaimer {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1rem;
  max-width: 40rem;
}

/* SVG crystal */
.crystal-svg { width: 100%; height: auto; display: block; }

/* People */
.people {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.person {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  font-size: 0.88rem;
}
.person strong { display: block; color: var(--text); margin-bottom: 0.2rem; }
.person span { color: var(--faint); font-size: 0.8rem; }

/* Scientific figures */
.figure {
  margin: 1.1rem 0 1.35rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
}
.figure.figure-contain img {
  object-fit: contain;
  max-height: 420px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}
.figure figcaption {
  padding: 0.7rem 0.9rem 0.85rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--faint);
}
.figure figcaption strong {
  color: var(--muted);
  font-weight: 600;
}
.figure figcaption a { font-size: 0.78rem; }

.hero-photo {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
}
.hero-photo figcaption {
  padding: 0.55rem 0.75rem 0.7rem;
  font-size: 0.72rem;
  color: var(--faint);
  line-height: 1.4;
}

.tl-body .figure { margin-top: 0.75rem; }
.tl-body .figure img { max-height: 280px; width: auto; max-width: 100%; margin: 0 auto; display: block; background: #fff; }

.feed-item .figure {
  margin: 0.6rem 0 0.75rem;
}
.feed-item .figure img {
  max-height: 260px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  display: block;
  background: #fff;
}

.credits-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.credits-list li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.85rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--muted);
}
@media (max-width: 600px) {
  .credits-list li { grid-template-columns: 1fr; }
}
.credits-list img {
  width: 7.5rem;
  height: 5rem;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
}
.credits-list .meta { font-size: 0.8rem; color: var(--faint); }

.nav a.is-active { color: var(--accent); }
.article-hero { padding: 2.5rem 0 1.5rem; border-bottom: 1px solid var(--border); }
.article-hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin: 0 0 0.75rem; letter-spacing: -0.02em; }
.article-hero .dek { color: var(--muted); font-size: 1.05rem; max-width: 42rem; margin: 0; }
.article-meta { font-family: var(--mono); font-size: 0.75rem; color: var(--faint); margin-top: 1rem; }
.article-body { padding: 2rem 0 3rem; max-width: 48rem; }
.article-body h2 { font-size: 1.35rem; margin: 2rem 0 0.75rem; scroll-margin-top: 4.5rem; }
.article-body h3 { font-size: 1.08rem; margin: 1.5rem 0 0.5rem; color: var(--text); }
.article-body p { margin: 0 0 1rem; color: var(--muted); }
.article-body p strong, .article-body li strong { color: var(--text); }
.article-body ul, .article-body ol { color: var(--muted); margin: 0 0 1rem; padding-left: 1.25rem; }
.article-body li { margin-bottom: 0.4rem; }
.article-body .cite { font-size: 0.85em; color: var(--link); text-decoration: none; }
.article-body .cite:hover { text-decoration: underline; }
.toc { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.15rem; margin: 1.25rem 0 1.75rem; }
.toc h2 { font-size: 0.85rem; margin: 0 0 0.5rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }
.toc ol { margin: 0; padding-left: 1.2rem; color: var(--muted); font-size: 0.92rem; }
.toc a { color: var(--link); text-decoration: none; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; margin: 1rem 0 1.5rem; overflow-x: auto; display: block; }
.data-table table { width: 100%; border-collapse: collapse; min-width: 640px; }
.data-table th, .data-table td { border: 1px solid var(--border); padding: 0.55rem 0.65rem; text-align: left; vertical-align: top; }
.data-table th { background: var(--bg-elev); color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
.data-table td { color: var(--muted); }
.refs { list-style: none; margin: 0; padding: 0; counter-reset: ref; }
.refs li { counter-increment: ref; padding: 0.65rem 0 0.65rem 2.4rem; border-bottom: 1px solid var(--border); position: relative; font-size: 0.88rem; color: var(--muted); }
.refs li::before { content: "[" counter(ref) "]"; position: absolute; left: 0; top: 0.75rem; font-family: var(--mono); font-size: 0.72rem; color: var(--accent); }
.refs cite { font-style: normal; color: var(--text); }
.home-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.85rem; margin: 1.5rem 0; }
.home-card { display: block; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.1rem; text-decoration: none; color: inherit; }
.home-card:hover { border-color: var(--accent-dim); }
.home-card h3 { margin: 0 0 0.35rem; font-size: 1rem; color: var(--text); }
.home-card p { margin: 0; font-size: 0.88rem; color: var(--muted); }
@media (max-width: 900px) {
  .nav { font-size: 0.78rem; gap: 0.25rem 0.65rem; }
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 1rem 0 2rem; }
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }
.two-col h3 { margin-top: 0; }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; margin-top: 1.5rem; }
.hero-stats .n { display: block; font-size: 1.25rem; color: var(--accent); font-weight: 650; }
.hero-stats .l { display: block; font-size: 0.8rem; color: var(--faint); margin-top: 0.2rem; }
.eyebrow { font-family: var(--mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 0.04em; text-transform: uppercase; }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 42rem; }

.feed-item .why { color: var(--text); border-left: 3px solid var(--accent); padding-left: 0.75rem; margin-top: 0.5rem; }

/* Article figures from papers: centered, capped size */
.paper-figure {
  margin: 1.4rem auto 1.6rem;
  max-width: 720px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
}
.paper-figure img {
  display: block;
  margin: 0 auto;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 460px;
  background: #fff;
}
.paper-figure figcaption {
  padding: 0.7rem 0.9rem 0.85rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--faint);
  text-align: left;
}