:root {
  --ink: #17213d;
  --muted: #5f6981;
  --paper: #ffffff;
  --canvas: #f4f6fb;
  --line: #dfe4ef;
  --night: #10172f;
  --night-soft: #182343;
  --accent: #ffb967;
  --accent-strong: #ff9e4a;
  --green: #eaf7ec;
  --blue: #edf4ff;
  --coral: #fff0eb;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 20px 60px rgba(22, 31, 60, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--night);
  background: var(--accent);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  color: #eef2ff;
}

.nav-shell,
.content-shell,
.hero-content {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: #ffffff;
  font-family: Manrope, sans-serif;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--night);
  background: var(--accent);
  border-radius: 10px;
  font-size: 0.72rem;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a {
  color: #dce3f8;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent);
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  color: #f6f8ff;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    var(--night);
  background-size: 44px 44px;
}

.hero::after {
  position: absolute;
  right: -15%;
  bottom: -300px;
  left: -15%;
  height: 390px;
  background: var(--canvas);
  border-radius: 50% 50% 0 0;
  content: "";
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 170px 0 220px;
  text-align: center;
}

.hero-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  opacity: 0.22;
  border-radius: 50%;
  filter: blur(90px);
}

.hero-glow-one {
  top: 100px;
  left: -160px;
  background: #5ad6ae;
}

.hero-glow-two {
  right: -120px;
  bottom: 180px;
  background: #ff8d77;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero h1,
h2,
h3 {
  font-family: Manrope, Inter, sans-serif;
}

.hero h1 {
  max-width: 1000px;
  margin: 0 auto;
  font-size: clamp(2.55rem, 6vw, 5.3rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.hero h1 span {
  color: var(--accent);
}

.hero-subtitle {
  max-width: 760px;
  margin: 28px auto 22px;
  color: #c7d0e9;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.venue-pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 30px;
  padding: 8px 14px;
  color: #fff3dc;
  background: rgba(255, 185, 103, .12);
  border: 1px solid rgba(255, 185, 103, .4);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
}

.venue-pill span {
  color: var(--accent);
}

.venue-pill:hover,
.venue-pill:focus-visible {
  background: rgba(255, 185, 103, .2);
}

.authors {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 20px;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 600;
}

.authors sup,
.affiliations sup,
.author-note sup {
  color: var(--accent);
}

.affiliations {
  max-width: 970px;
  margin: 18px auto 0;
  color: #aeb9d3;
  font-size: 0.76rem;
  line-height: 1.8;
}

.author-note {
  margin: 8px auto 0;
  color: #8996b7;
  font-size: 0.74rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 19px;
  color: #f7f8ff;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}

.button:hover,
.button:focus-visible {
  background: rgba(255,255,255,.13);
  transform: translateY(-2px);
}

.button-primary {
  color: var(--night);
  background: var(--accent);
  border-color: var(--accent);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #ffc985;
}

.pipeline-section {
  position: relative;
  z-index: 4;
  margin-top: -205px;
  padding-bottom: 46px;
}

.wide-shell {
  width: min(1240px, calc(100% - 32px));
}

.paper-figure {
  margin: 0;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.pipeline-figure {
  padding: 18px;
}

.pipeline-figure img {
  width: 100%;
  border-radius: 16px;
}

.paper-figure figcaption {
  padding: 16px 10px 4px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.metric-band {
  padding: 20px 0 84px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.metric-card {
  padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.metric-card strong {
  display: block;
  color: var(--night);
  font-family: Manrope, sans-serif;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric-card strong span {
  color: var(--accent-strong);
  font-size: 0.95rem;
  letter-spacing: 0;
}

.metric-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.section-block {
  padding: 108px 0;
}

.section-tinted {
  background: #e9edf6;
}

.text-shell {
  width: min(860px, calc(100% - 40px));
  text-align: center;
}

h2 {
  margin: 0;
  color: var(--night);
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.lead-copy {
  margin: 30px 0 0;
  color: #47536d;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.8;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
  gap: 50px;
  align-items: end;
  margin-bottom: 42px;
}

.section-heading > p {
  margin: 0 0 6px;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(18, 27, 53, .1);
  border-radius: var(--radius-md);
}

.feature-green { background: var(--green); }
.feature-blue { background: var(--blue); }
.feature-coral { background: var(--coral); }

.feature-index {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--night);
  background: rgba(255,255,255,.75);
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 800;
}

.feature-card h3,
.evidence-copy h3 {
  margin: 28px 0 10px;
  color: var(--night);
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.feature-card p,
.evidence-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 32px;
  overflow: hidden;
  background: var(--night);
  border-radius: var(--radius-md);
}

.method-steps div {
  display: flex;
  gap: 12px;
  padding: 24px 22px;
  color: #dbe2f5;
  border-right: 1px solid rgba(255,255,255,.12);
}

.method-steps div:last-child {
  border-right: 0;
}

.method-steps span {
  display: grid;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--night);
  background: var(--accent);
  border-radius: 50%;
  font-size: .72rem;
  font-weight: 800;
}

.method-steps p {
  margin: 0;
  font-size: .8rem;
  line-height: 1.5;
}

.method-steps b {
  color: #ffffff;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}

.result-figure {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
}

.result-figure img {
  width: 100%;
  min-height: 420px;
  object-fit: contain;
}

.result-figure figcaption {
  padding: 20px 8px 4px;
  text-align: left;
}

.callout {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  align-items: center;
  margin: 22px 0 80px;
  padding: 24px 28px;
  color: #e9edfa;
  background: var(--night);
  border-radius: var(--radius-md);
}

.callout-label {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.callout p {
  margin: 0;
  font-size: .96rem;
}

.evidence-block {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  margin-top: 60px;
}

.evidence-block-reverse {
  margin-top: 96px;
}

.evidence-copy {
  position: sticky;
  top: 24px;
  padding-top: 12px;
}

.evidence-copy h3 {
  margin-top: 0;
  font-size: 1.7rem;
}

.table-figure {
  padding: 12px;
  border-radius: var(--radius-md);
}

.table-scroll {
  overflow-x: auto;
  border-radius: 11px;
}

.table-scroll img {
  width: 100%;
  min-width: 820px;
}

.citation-section {
  color: #eef2ff;
  background: var(--night);
}

.citation-card {
  padding: 42px;
  background: var(--night-soft);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
}

.citation-heading {
  display: flex;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
}

.citation-heading h2 {
  color: #ffffff;
}

.copy-button {
  min-height: 42px;
  padding: 0 18px;
  color: var(--night);
  background: var(--accent);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: .8rem;
  font-weight: 800;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 24px;
  color: #dce5ff;
  background: #0a1024;
  border-radius: 14px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .78rem;
  line-height: 1.7;
  white-space: pre;
}

.footer {
  padding: 34px 0;
  color: #8490aa;
  background: #080e20;
  font-size: .74rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 30px;
}

.footer p {
  margin: 0;
}

.footer a {
  color: #c9d2eb;
}

@media (max-width: 900px) {
  .hero {
    min-height: 880px;
  }

  .hero-content {
    padding-top: 145px;
  }

  .metrics-grid,
  .method-steps {
    grid-template-columns: 1fr 1fr;
  }

  .method-steps div:nth-child(2) {
    border-right: 0;
  }

  .method-steps div:nth-child(-n+2) {
    border-bottom: 1px solid rgba(255,255,255,.12);
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }

  .result-grid {
    grid-template-columns: 1fr;
  }

  .result-figure img {
    min-height: 0;
    max-height: 620px;
  }

  .evidence-block {
    grid-template-columns: 1fr;
  }

  .evidence-copy {
    position: static;
  }
}

@media (max-width: 660px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: 960px;
  }

  .hero-content {
    padding: 132px 0 220px;
  }

  .hero h1 br {
    display: none;
  }

  .pipeline-section {
    margin-top: -185px;
  }

  .pipeline-figure {
    padding: 8px;
    border-radius: 18px;
  }

  .metrics-grid,
  .method-steps,
  .footer-content {
    grid-template-columns: 1fr;
  }

  .method-steps div {
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }

  .method-steps div:last-child {
    border-bottom: 0;
  }

  .section-block {
    padding: 76px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .callout {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .citation-card {
    padding: 24px 18px;
  }

  .citation-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  pre {
    padding: 18px;
    font-size: .68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}