:root {
  --ink: #111827;
  --muted: #4b5563;
  --line: #d8dee9;
  --paper: #ffffff;
  --band: #f7f8fb;
  --accent: #b21a6b;
  --accent-dark: #7b164d;
  --teal: #007f73;
  --gold: #b78100;
  --shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, #fafbfe 100%);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

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

.hero {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 58px;
  text-align: center;
}

.venue,
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 920px;
  margin: 0 auto;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: 0;
}

.subtitle {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 19px;
}

.authors {
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 15px;
}

.authors p {
  margin: 6px 0;
}

.authors strong {
  color: var(--ink);
  margin: 0 6px;
}

.actions {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.04);
}

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

.button.muted {
  color: #6b7280;
  background: #f3f4f6;
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.section.band {
  width: 100%;
  padding-left: max(20px, calc((100% - 1120px) / 2));
  padding-right: max(20px, calc((100% - 1120px) / 2));
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  max-width: 860px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.metric-grid,
.feature-grid,
.result-grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.metric-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.result-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric,
.feature,
.result,
.wide-figure,
.bibtex {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.metric {
  min-height: 122px;
  padding: 18px;
}

.metric strong {
  display: block;
  color: var(--accent);
  font-size: 30px;
  line-height: 1.1;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.feature {
  padding: 20px;
}

.feature h3 {
  margin: 0;
  font-size: 18px;
}

.feature p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.wide-figure {
  margin: 34px 0 0;
  padding: 18px;
}

.wide-figure img {
  width: 100%;
  border-radius: 6px;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.result {
  margin: 0;
  padding: 16px;
}

.result img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}

.table-figure img {
  background: #fff;
}

/* Stacked figure rows + 0.7 : 0.3 split */
.figure-stack {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.split-73 {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 16px;
  align-items: stretch;
}

.panel {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.panel img {
  width: 100%;
  margin: auto 0;
  border-radius: 6px;
  background: #fff;
}

.panel figcaption {
  margin-top: 14px;
}

/* Insight lists (bullet + numbered variants) */
.insight-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.insight-list li {
  position: relative;
  padding-left: 34px;
  font-size: 17px;
  line-height: 1.55;
}

.insight-list:not(.numbered) li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.6em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--accent);
  transform: rotate(45deg);
}

.insight-list.numbered {
  counter-reset: ins;
}

.insight-list.numbered li::before {
  counter-increment: ins;
  content: counter(ins);
  position: absolute;
  left: 0;
  top: 0.05em;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Data sample: image left, context blocks right */
.data-sample {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  margin-top: 32px;
  align-items: start;
}

.context-blocks {
  display: grid;
  gap: 14px;
}

.context-block {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.context-block .tag {
  display: inline-block;
  margin-right: 8px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.context-block code,
.data-sample code {
  font-size: 0.92em;
  background: var(--band);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Pipeline diagram, scaled down (~0.6x) and centered */
.diagram-figure {
  width: min(100%, 620px);
  margin: 32px auto 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.diagram-figure img {
  width: 100%;
  border-radius: 6px;
}

.diagram-figure figcaption {
  margin-top: 14px;
  text-align: center;
}

.bibtex {
  margin: 28px 0 0;
  padding: 22px;
  overflow-x: auto;
  color: #152033;
  font-size: 14px;
  line-height: 1.55;
}

.footer {
  padding: 34px 20px;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
  background: #fbfcfe;
}

.footer p {
  margin: 4px 0;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: 36px;
  }

  .subtitle {
    font-size: 17px;
  }

  .metric-grid,
  .feature-grid,
  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-73,
  .data-sample {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav,
  .hero,
  .section {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: 30px;
  }

  .section-heading h2 {
    font-size: 25px;
  }

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

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}