/* Canopy Vision Lab — global tokens & base */

:root {
  /* Palette: forest-deep (default) */
  --bg: oklch(0.16 0.012 145);
  --bg-2: oklch(0.20 0.014 145);
  --bg-3: oklch(0.24 0.016 145);
  --line: oklch(0.30 0.014 145);
  --line-2: oklch(0.36 0.018 145);
  --fg: oklch(0.96 0.012 90);
  --fg-2: oklch(0.78 0.014 90);
  --fg-3: oklch(0.58 0.012 90);
  --canopy: oklch(0.86 0.18 130);     /* chartreuse-lime */
  --canopy-2: oklch(0.66 0.18 135);
  --alert: oklch(0.78 0.18 55);        /* amber-orange */
  --alert-2: oklch(0.62 0.20 35);      /* deeper red-orange */
  --water: oklch(0.72 0.10 220);

  --serif: "Newsreader", "Source Serif 4", Georgia, serif;
  --sans: "Geist", "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --maxw: 1320px;
  --pad-x: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--canopy); color: var(--bg); }

/* Type primitives */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.012em; }
.mono { font-family: var(--mono); }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--canopy);
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--canopy) 25%, transparent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in oklab, var(--canopy) 25%, transparent); }
  50% { box-shadow: 0 0 0 7px color-mix(in oklab, var(--canopy) 8%, transparent); }
}

h1, h2, h3, h4 { margin: 0; font-weight: 400; }

/* Layout */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* Header */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 22px; height: 22px;
  position: relative;
  display: inline-block;
}
.brand-mark::before, .brand-mark::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
}
.brand-mark::before {
  background: var(--canopy);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.brand-mark::after {
  border: 1px solid var(--canopy);
  transform: scale(0.6);
  background: var(--bg);
  border-radius: 0;
  transform: rotate(45deg) scale(0.4);
  background: var(--bg);
}
.brand small {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-left: 4px;
  align-self: flex-end;
  margin-bottom: 4px;
}
.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.nav-links a:hover { color: var(--canopy); }
.nav-cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--canopy);
  color: var(--canopy);
  border-radius: 999px;
  transition: background .2s ease;
}
.nav-cta:hover { background: color-mix(in oklab, var(--canopy) 15%, transparent); }

/* Hero */
.hero {
  padding: 56px var(--pad-x) 0;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero-head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: end;
  padding-bottom: 32px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 5.6vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  font-weight: 400;
}
.hero h1 em {
  font-style: italic;
  color: var(--canopy);
  font-weight: 300;
}
.hero-sub {
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 42ch;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-top: 24px;
}
.hero-meta .sep { color: var(--line-2); }

/* Detection feed */
.feed {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: oklch(0.12 0.012 145);
  display: grid;
  grid-template-columns: 1fr 320px;
  position: relative;
}
.feed-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.feed-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.feed-overlay {
  position: absolute; inset: 0;
  pointer-events: none;
}
.feed-corner {
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--canopy);
}
.feed-corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.feed-corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.feed-corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.feed-corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.feed-hud {
  position: absolute;
  top: 14px; left: 36px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--fg-2);
  display: flex;
  gap: 18px;
  align-items: center;
}
.feed-hud .live {
  color: var(--alert);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feed-hud .live::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--alert);
  border-radius: 50%;
  animation: pulse-fast 1.2s ease-in-out infinite;
}
@keyframes pulse-fast {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.feed-bottom {
  position: absolute;
  bottom: 14px; left: 36px; right: 36px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--fg-3);
}
.feed-coord { color: var(--fg-2); }

/* Telemetry sidebar */
.telemetry {
  background: oklch(0.14 0.012 145);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  font-family: var(--mono);
  font-size: 11px;
}
.telemetry-hd {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.telemetry-hd .count {
  color: var(--canopy);
  font-variant-numeric: tabular-nums;
}
.telemetry-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}
.telemetry-stat {
  padding: 12px 16px;
  border-right: 1px solid var(--line);
}
.telemetry-stat:last-child { border-right: 0; }
.telemetry-stat .label {
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.telemetry-stat .value {
  font-size: 22px;
  font-family: var(--serif);
  letter-spacing: -0.02em;
  margin-top: 6px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.telemetry-stat .delta {
  font-size: 10px;
  margin-top: 2px;
  color: var(--canopy);
}
.telemetry-stat .delta.warn { color: var(--alert); }

.telemetry-events {
  flex: 1;
  overflow: hidden;
  position: relative;
}
.telemetry-events-inner {
  padding: 6px 0;
}
.event {
  padding: 8px 16px;
  border-bottom: 1px dashed var(--line);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: baseline;
  font-size: 10.5px;
  animation: slidein 0.4s ease-out;
}
@keyframes slidein {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.event .ts { color: var(--fg-3); font-size: 9.5px; }
.event .kind {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 3px;
  background: color-mix(in oklab, var(--alert) 18%, transparent);
  color: var(--alert);
  border: 1px solid color-mix(in oklab, var(--alert) 35%, transparent);
}
.event .kind.mine { background: color-mix(in oklab, var(--alert-2) 18%, transparent); color: var(--alert-2); border-color: color-mix(in oklab, var(--alert-2) 35%, transparent); }
.event .kind.road { background: color-mix(in oklab, var(--water) 14%, transparent); color: var(--water); border-color: color-mix(in oklab, var(--water) 30%, transparent); }
.event .kind.clear { background: color-mix(in oklab, var(--alert) 18%, transparent); color: var(--alert); border-color: color-mix(in oklab, var(--alert) 35%, transparent); }
.event .desc {
  color: var(--fg-2);
  grid-column: 1 / -1;
  font-size: 10.5px;
  margin-top: 2px;
}
.event .conf { color: var(--canopy); font-variant-numeric: tabular-nums; }

/* Sections */
.section {
  padding: 100px var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
}
.section-hd {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.section-hd .eyebrow { padding-top: 8px; }
.section-hd h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 22ch;
}
.section-hd h2 em { font-style: italic; color: var(--canopy); font-weight: 300; }

/* Pillars grid */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pillar {
  padding: 32px 28px;
  border-right: 1px solid var(--line);
  position: relative;
}
.pillar:last-child { border-right: 0; }
.pillar .num {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--fg-3);
}
.pillar h3 {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.015em;
  margin: 28px 0 14px;
  max-width: 14ch;
}
.pillar p {
  font-size: 13.5px;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 0;
}

/* Focus region */
.focus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: oklch(0.13 0.012 145);
}
.focus-map {
  position: relative;
  aspect-ratio: 4 / 5;
  background: oklch(0.16 0.012 145);
  border-right: 1px solid var(--line);
  overflow: hidden;
}
.focus-map canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.focus-map-label {
  position: absolute;
  bottom: 18px; left: 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  padding: 6px 10px;
  border: 1px solid var(--line);
}
.focus-body {
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.focus-body h3 {
  font-family: var(--serif);
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 16ch;
}
.focus-body p {
  font-size: 15px;
  color: var(--fg-2);
  margin: 0;
}
.focus-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  margin-top: auto;
  padding-top: 32px;
}
.focus-stat .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.focus-stat .value {
  font-family: var(--serif);
  font-size: 44px;
  letter-spacing: -0.025em;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.focus-stat .value .unit {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0;
  color: var(--fg-3);
  margin-left: 4px;
}
.focus-stat .note {
  font-size: 12px;
  color: var(--fg-3);
  margin-top: 6px;
}

/* Methods (numbered list) */
.methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.method {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: 48px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.method:last-child { border-bottom: 1px solid var(--line); }
.method .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--canopy);
  padding-top: 6px;
}
.method h3 {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.method p {
  font-size: 14px;
  color: var(--fg-2);
  margin: 0;
}
.method .specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.method .spec {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--fg-2);
}

/* Pipeline / data flow */
.pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: oklch(0.13 0.012 145);
}
.pipe-node {
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  position: relative;
}
.pipe-node:last-child { border-right: 0; }
.pipe-node .step {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--fg-3);
}
.pipe-node h4 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 12px 0 8px;
  letter-spacing: -0.01em;
}
.pipe-node p {
  font-size: 12px;
  color: var(--fg-2);
  margin: 0;
  line-height: 1.5;
}
.pipe-node .glyph {
  width: 32px; height: 32px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--canopy);
  border: 1px solid var(--canopy-2);
  background: color-mix(in oklab, var(--canopy) 8%, transparent);
}

/* CTA */
.cta {
  padding: 120px var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta h2 {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 72px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  max-width: 22ch;
  margin: 0 auto 28px;
}
.cta h2 em { font-style: italic; color: var(--canopy); font-weight: 300; }
.cta p {
  font-size: 16px;
  color: var(--fg-2);
  max-width: 48ch;
  margin: 0 auto 40px;
}
.cta-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 24px;
  border-radius: 2px;
  border: 1px solid var(--line-2);
  color: var(--fg);
  background: transparent;
  cursor: pointer;
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn:hover { border-color: var(--canopy); color: var(--canopy); }
.btn.primary {
  background: var(--canopy);
  color: oklch(0.18 0.02 145);
  border-color: var(--canopy);
}
.btn.primary:hover { background: oklch(0.92 0.18 130); color: oklch(0.16 0.02 145); }

/* Footer */
footer {
  padding: 64px var(--pad-x) 40px;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  font-size: 13px;
  color: var(--fg-2);
}
footer h5 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 14px;
  font-weight: 400;
}
footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
footer a:hover { color: var(--canopy); }
footer .legal {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}
footer p { margin: 0 0 12px; max-width: 36ch; font-size: 13px; }

/* Marquee strip */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: oklch(0.14 0.012 145);
}
.marquee-track {
  display: flex;
  gap: 64px;
  padding: 16px 0;
  animation: marq 60s linear infinite;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 14px; }
.marquee-track .bullet {
  display: inline-block;
  width: 4px; height: 4px;
  background: var(--canopy);
  border-radius: 50%;
}
@keyframes marq {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Publications */
.pubs-hero {
  padding: 80px var(--pad-x) 40px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.pubs-hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin-top: 20px;
  max-width: 22ch;
}
.pubs-hero h1 em { font-style: italic; color: var(--canopy); font-weight: 300; }
.pubs-hero p {
  color: var(--fg-2);
  font-size: 16px;
  margin-top: 24px;
  max-width: 56ch;
}

.pubs-list {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px var(--pad-x) 100px;
  border-top: 1px solid var(--line);
}
.pub {
  display: grid;
  grid-template-columns: 80px 1fr 220px;
  gap: 48px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.pub .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--canopy);
  padding-top: 8px;
}
.pub h3 {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin-bottom: 14px;
  max-width: 30ch;
}
.pub .authors {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-3);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.pub .abstract {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
  max-width: 60ch;
  margin: 0 0 18px;
}
.pub .pub-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.pub .pub-spec {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--fg-2);
}
.pub .pub-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.pub .pub-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  line-height: 1.8;
}
.pub .pub-meta .key { color: var(--fg-3); }
.pub .pub-meta .val { color: var(--fg-2); margin-left: 6px; }

.pub h3 a {
  color: inherit;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.pub h3 a:hover { color: var(--canopy); border-bottom-color: var(--canopy); }

/* Paper / abstract page */
.paper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px var(--pad-x) 100px;
}
.paper .back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 36px;
}
.paper .back:hover { color: var(--canopy); }

.paper .stamp {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.paper .stamp .sep { margin: 0 12px; color: var(--line-2); }
.paper .stamp em { color: var(--canopy); font-style: normal; }

.paper h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 28ch;
  margin: 0;
}
.paper .subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--fg-2);
  line-height: 1.45;
  margin-top: 22px;
  max-width: 54ch;
}

.paper .meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 48px 0;
}
.paper .meta > div {
  padding: 20px 24px 20px 0;
  border-right: 1px solid var(--line);
}
.paper .meta > div:last-child { border-right: 0; }
.paper .meta .key {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 8px;
}
.paper .meta .val {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.paper .stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: oklch(0.13 0.012 145);
  border-radius: 6px;
  margin: 40px 0 56px;
}
.paper .stat {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}
.paper .stat:last-child { border-right: 0; }
.paper .stat .value {
  font-family: var(--serif);
  font-size: 38px;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}
.paper .stat .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-top: 8px;
}

.paper .abstract-hd {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  margin-bottom: 28px;
}
.paper .abstract-hd .eyebrow { padding-top: 6px; }
.paper .abstract-hd h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.paper .abstract-body {
  max-width: 68ch;
  margin-left: 240px;
}
.paper .abstract-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
  margin: 0 0 18px;
}
.paper .pullquote {
  margin: 56px 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--canopy);
  max-width: 60ch;
  margin-left: 240px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--fg);
}

.paper .keywords {
  margin: 56px 0 32px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
}
.paper .keywords .eyebrow { padding-top: 8px; }
.paper .keywords .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.paper .keywords .chip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--fg-2);
}

.paper .actions {
  border-top: 1px solid var(--line);
  padding-top: 32px;
  margin-top: 56px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 960px) {
  .pub { grid-template-columns: 60px 1fr; gap: 20px; }
  .pub .pub-side { grid-column: 2; flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .paper .meta { grid-template-columns: repeat(2, 1fr); }
  .paper .meta > div:nth-child(2) { border-right: 0; }
  .paper .stats { grid-template-columns: repeat(2, 1fr); }
  .paper .stat:nth-child(2) { border-right: 0; }
  .paper .abstract-hd { grid-template-columns: 1fr; gap: 12px; }
  .paper .abstract-body, .paper .pullquote { margin-left: 0; }
  .paper .keywords { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 960px) {
  .hero-head { grid-template-columns: 1fr; gap: 24px; }
  .feed { grid-template-columns: 1fr; }
  .telemetry { border-left: 0; border-top: 1px solid var(--line); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillar { border-bottom: 1px solid var(--line); }
  .pillar:nth-child(odd) { border-right: 1px solid var(--line); }
  .pillar:nth-child(even) { border-right: 0; }
  .focus { grid-template-columns: 1fr; }
  .focus-map { border-right: 0; border-bottom: 1px solid var(--line); }
  .method { grid-template-columns: 60px 1fr; gap: 20px; }
  .method p { grid-column: 2; }
  .method .specs { grid-column: 2; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipe-node { border-bottom: 1px solid var(--line); }
  footer { grid-template-columns: 1fr 1fr; }
  .section-hd { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: 0 !important; }
}