:root {
  --ink: #101214;
  --ink-soft: #17191c;
  --panel: #1b1e22;
  --panel-light: #23272c;
  --paper: #eeeae1;
  --paper-soft: #c7c4bd;
  --muted: #92979d;
  --blue: #a8c7e8;
  --cyan: #b8d8d0;
  --gold: #d7bd88;
  --rose: #e2a6a8;
  --border: rgba(220, 225, 230, 0.16);
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--paper);
  background: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--cyan);
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header,
main,
.site-footer {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  border-bottom: 1px solid var(--border);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 720;
  text-decoration: none;
  letter-spacing: -.02em;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 34px;
  aspect-ratio: 1;
  border: 1px solid rgba(126, 229, 216, .42);
  border-radius: 50%;
  color: var(--cyan);
  font-size: .68rem;
  letter-spacing: .04em;
}

.site-nav { display: flex; gap: 26px; }
.site-nav a {
  color: var(--muted);
  font-size: .9rem;
  text-decoration: none;
  transition: color .15s ease;
}
.site-nav a:hover,
.site-nav a.active { color: var(--paper); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(270px, .65fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: center;
  min-height: 480px;
  padding: 64px 0 56px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: .76rem;
  font-weight: 760;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(126, 229, 216, .1);
}

h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -.045em;
}

.hero h1,
.about-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.8rem, 5.2vw, 5rem);
  font-weight: 500;
  line-height: .98;
}
.hero h1 em,
.about-hero h1 em {
  color: var(--blue);
  font-weight: 400;
}

.hero-intro,
.about-hero > p:last-child {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--paper-soft);
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.75;
}

.hero-actions,
.about-cta > div { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.text-link { color: var(--blue); font-size: .9rem; text-underline-offset: 3px; }
.text-link:hover { color: var(--paper); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }
.button.ghost:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.28); }

.signal-panel {
  position: relative;
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.signal-orbit { position: absolute; inset: 14% 11% 24%; }
.orbit {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(118, 169, 255, .24);
  border-radius: 50%;
  transform: rotate(-18deg);
}
.orbit-two { inset: 16%; border-color: rgba(126, 229, 216, .32); transform: rotate(24deg); }
.orbit-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #d8fff9, var(--cyan) 30%, #2d6e76 72%);
  box-shadow: 0 0 54px rgba(126, 229, 216, .38);
}
.orbit-core::after {
  content: "";
  position: absolute;
  inset: -68px;
  border: 1px dashed rgba(231, 187, 114, .22);
  border-radius: 50%;
}
.signal-meta {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  display: grid;
  gap: 2px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.signal-label { color: var(--muted); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.signal-meta strong { font-size: 1.02rem; }
.signal-meta > span:last-child { color: var(--muted); font-size: .84rem; }

.lens-strip {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.lens-label { flex: none; color: var(--gold); font-size: .72rem; font-weight: 760; letter-spacing: .15em; text-transform: uppercase; }
.lens-items { display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--muted); font-size: .86rem; }
.lens-items span::before { content: "↗"; margin-right: 7px; color: var(--blue); }

.feed-section { padding: 92px 0 56px; scroll-margin-top: 30px; }
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
}
.section-heading h2,
.method-preview h2,
.transparency h2,
.about-cta h2 {
  margin: 0;
  font-size: clamp(2.35rem, 4.2vw, 4.4rem);
  font-weight: 500;
  line-height: 1.02;
}
.issue-stats { display: flex; gap: 32px; }
.issue-stats div { display: grid; text-align: right; }
.issue-stats strong { color: var(--cyan); font-family: Georgia, serif; font-size: 2rem; font-weight: 500; line-height: 1; }
.issue-stats span { margin-top: 5px; color: var(--muted); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }

.controls { display: grid; gap: 16px; margin-bottom: 28px; }
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(100%, 620px);
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,.035);
}
.search-box > span { color: var(--cyan); font-size: 1.25rem; }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--paper); background: transparent; }
.search-box input::placeholder { color: #72819a; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  padding: 8px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: .8rem;
  transition: .15s ease;
}
.filter:hover,
.filter.active { color: var(--ink); border-color: var(--blue); background: var(--blue); }

.feed-notice {
  margin-bottom: 18px;
  padding: 12px 15px;
  border: 1px solid rgba(231, 187, 114, .26);
  border-radius: 12px;
  color: #eed6ac;
  background: rgba(231, 187, 114, .07);
  font-size: .86rem;
}
.paper-list { display: grid; gap: 18px; }
.paper-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(270px, .6fr);
  gap: 34px;
  padding: clamp(24px, 3.5vw, 42px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: none;
  overflow: hidden;
}
.paper-card::after { display: none; }
.paper-card.highlight { border-color: rgba(126, 229, 216, .35); }
.paper-card.highlight::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--cyan), var(--blue));
}
.paper-main,
.paper-side { position: relative; z-index: 1; min-width: 0; }
.paper-kicker,
.badge-row,
.paper-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.paper-kicker { margin-bottom: 14px; color: var(--muted); font-size: .76rem; }
.source-chip,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .68rem;
  letter-spacing: .04em;
}
.source-chip { color: var(--cyan); }
.badge { color: #b9c6da; background: rgba(255,255,255,.035); }
.badge.highlight-badge { color: var(--ink); border-color: var(--cyan); background: var(--cyan); font-weight: 760; }
.paper-title { margin: 0; font-family: Georgia, serif; font-size: clamp(1.5rem, 2.3vw, 2.2rem); font-weight: 500; line-height: 1.18; letter-spacing: -.025em; }
.paper-title a { text-decoration: none; }
.paper-title a:hover { color: var(--blue); }
.authors { margin: 14px 0 0; color: var(--muted); font-size: .84rem; }
.paper-links { margin-top: 20px; }
.paper-links a { color: var(--blue); font-size: .78rem; font-weight: 700; text-decoration: none; }
.paper-links a::after { content: " ↗"; }
.paper-side { display: grid; align-content: start; gap: 18px; }
.score-box { display: flex; align-items: baseline; gap: 7px; color: var(--cyan); }
.score-box strong { font-family: Georgia, serif; font-size: 2.4rem; font-weight: 500; line-height: 1; }
.score-box span { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.summary-label { margin: 0 0 7px; color: var(--gold); font-size: .68rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.paper-summary,
.paper-relevance { margin: 0; color: var(--paper-soft); font-size: .91rem; line-height: 1.68; }
.relevance-block { padding: 16px; border-left: 2px solid var(--blue); border-radius: 0 12px 12px 0; background: rgba(118, 169, 255, .07); }
.relevance-block .summary-label { color: var(--blue); }
.badge-row { margin-top: 22px; }

.empty-state { padding: 70px 20px; text-align: center; border: 1px dashed var(--border); border-radius: var(--radius); color: var(--muted); }
.empty-state > span { color: var(--blue); font-family: Georgia, serif; font-size: 3rem; }
.empty-state h3 { margin: 8px 0 0; color: var(--paper); font-family: Georgia, serif; font-size: 1.7rem; font-weight: 500; }
.empty-state p { margin: 6px 0 0; }

.skeleton-card { display: block; }
.skeleton { border-radius: 8px; background: linear-gradient(90deg, rgba(255,255,255,.04), rgba(255,255,255,.1), rgba(255,255,255,.04)); background-size: 200% 100%; animation: pulse 1.5s infinite; }
.skeleton.line { width: 75%; height: 13px; margin-bottom: 13px; }
.skeleton.line.short { width: 24%; }
.skeleton.line.title { width: 62%; height: 30px; }
.skeleton.block { width: 100%; height: 82px; margin-top: 24px; }
@keyframes pulse { to { background-position: -200% 0; } }

.method-preview {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.funnel { margin: 0; padding: 0; list-style: none; counter-reset: funnel; }
.funnel li { display: grid; grid-template-columns: 46px 120px 1fr; gap: 14px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--border); }
.funnel li > span { color: var(--cyan); font-family: Georgia, serif; }
.funnel strong { font-size: .95rem; }
.funnel small { color: var(--muted); font-size: .84rem; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 34px 0 46px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .78rem;
}
.site-footer div { display: grid; }
.site-footer strong { color: var(--paper); }
.site-footer p { max-width: 480px; margin: 0; text-align: right; }

.about-main { padding-bottom: 70px; }
.about-hero { max-width: 1000px; padding: 100px 0 80px; }
.about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.about-card { min-height: 330px; padding: 34px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(17,31,59,.68); }
.about-card.accent-card { background: var(--panel); }
.card-index { color: var(--cyan); font-family: Georgia, serif; }
.about-card h2 { margin: 42px 0 14px; font-size: 2rem; font-weight: 500; }
.about-card p { color: var(--paper-soft); }
.topic-list { display: grid; gap: 8px; padding-left: 20px; color: var(--paper-soft); font-size: .9rem; }
.topic-list li::marker { color: var(--cyan); }
.transparency { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; margin-top: 90px; padding: 80px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.transparency-copy { color: var(--paper-soft); font-size: 1rem; }
.transparency-copy p:first-child { margin-top: 0; }
.about-cta { display: flex; align-items: end; justify-content: space-between; gap: 40px; padding: 90px 0 20px; }
.about-cta > div { margin: 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .signal-panel { min-height: 310px; width: min(100%, 470px); }
  .paper-card { grid-template-columns: 1fr; gap: 24px; }
  .paper-side { grid-template-columns: minmax(100px, .25fr) minmax(0, .75fr); }
  .relevance-block { grid-column: 1 / -1; }
  .method-preview,
  .transparency { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 680px) {
  .site-header, main, .site-footer { width: min(calc(100% - 28px), var(--max)); }
  .site-header { align-items: flex-start; padding: 20px 0; }
  .wordmark > span:last-child { display: none; }
  .site-nav { gap: 14px; }
  .site-nav a { font-size: .78rem; }
  .hero { padding: 64px 0 48px; }
  .hero h1, .about-hero h1 { font-size: clamp(2.65rem, 13.5vw, 4rem); }
  .signal-panel { min-height: 275px; }
  .lens-strip { align-items: flex-start; flex-direction: column; gap: 10px; }
  .feed-section { padding-top: 70px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .issue-stats div { text-align: left; }
  .paper-card { padding: 24px 20px; }
  .paper-side { grid-template-columns: 1fr; }
  .relevance-block { grid-column: auto; }
  .funnel li { grid-template-columns: 40px 1fr; }
  .funnel small { grid-column: 2; }
  .site-footer { flex-direction: column; }
  .site-footer p { text-align: left; }
  .about-hero { padding: 70px 0 56px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-card { min-height: auto; }
  .about-cta { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

.rank-chip { color: var(--gold); font-size: .72rem; font-weight: 760; letter-spacing: .04em; }
.critical-block { margin-top: 22px; padding: 16px; border: 1px solid rgba(242,155,165,.25); border-radius: 12px; background: rgba(242,155,165,.06); }
.critical-block .summary-label { color: var(--rose); }
.paper-critical { margin: 0; color: var(--paper-soft); font-size: .9rem; line-height: 1.68; }
.archive-main { padding-bottom: 80px; }
.archive-hero { padding-bottom: 54px; }
.archive-list { padding: 0 0 60px; }
.archive-items { display: grid; gap: 24px; }
.archive-card { padding: clamp(22px, 3vw, 36px); border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
.archive-card-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.archive-card-head h3 { margin: 0; font-family: Georgia, serif; font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 500; line-height: 1.1; }
.archive-meta { display: flex; flex-wrap: wrap; justify-content: end; gap: 10px 18px; color: var(--muted); font-size: .78rem; }
.archive-paper-list { display: grid; gap: 0; }
.archive-paper { padding: 24px 0; border-bottom: 1px solid var(--border); }
.archive-paper:last-child { border-bottom: 0; padding-bottom: 0; }
.archive-paper-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; color: var(--muted); font-size: .75rem; }
.archive-paper h4 { margin: 9px 0 7px; font-family: Georgia, serif; font-size: 1.35rem; font-weight: 500; line-height: 1.2; }
.archive-paper > p { margin: 0; color: var(--paper-soft); font-size: .9rem; }
.archive-critical { margin-top: 14px; padding-left: 14px; border-left: 2px solid var(--rose); }
.archive-critical span { color: var(--rose); font-size: .68rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.archive-critical p { margin: 4px 0 0; color: var(--paper-soft); font-size: .88rem; line-height: 1.65; }
@media (max-width: 680px) {
  .archive-card-head { align-items: flex-start; flex-direction: column; }
  .archive-meta { justify-content: start; }
}