:root {
  --bg: #f6f0e8;
  --bg-strong: #eadfce;
  --paper: rgba(255, 252, 246, 0.88);
  --paper-strong: #fffaf2;
  --ink: #1d1a17;
  --muted: #655c53;
  --line: rgba(29, 26, 23, 0.12);
  --accent: #b44f2a;
  --accent-dark: #7d2f17;
  --shadow: 0 20px 60px rgba(68, 39, 21, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(180, 79, 42, 0.18), transparent 28%),
    radial-gradient(circle at right 20%, rgba(91, 123, 102, 0.18), transparent 22%),
    linear-gradient(180deg, #f8f1e7 0%, #f4eadc 100%);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 24px auto 56px;
}

.hero,
.content-card,
.feature-card {
  backdrop-filter: blur(12px);
}

.hero {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.95), rgba(248, 239, 226, 0.86)),
    var(--paper);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 48px;
}

.brand,
.eyebrow,
.section-kicker {
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr;
  gap: 24px;
}

.hero-copy h1,
.section-heading h2,
.feature-card h3,
.content-card h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  font-size: 0.8rem;
  color: var(--accent-dark);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5.2rem);
  line-height: 0.95;
}

.hero-text {
  max-width: 48rem;
  margin: 24px 0 0;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff9f2;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 252, 246, 0.7);
}

.button.small {
  min-height: 38px;
  padding: 0 14px;
}

.meta-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

.meta-list li,
.hero-card,
.content-card,
.feature-card {
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.meta-list li {
  padding: 14px 16px;
  border-radius: var(--radius-md);
}

.meta-list span,
.stat-label {
  display: block;
  margin-bottom: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-lg);
  align-content: start;
}

.stat-block {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 250, 242, 0.88);
  border: 1px solid var(--line);
}

.content-section {
  padding-top: 44px;
}

.section-heading {
  margin-bottom: 20px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
}

.content-card {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.prose p {
  margin: 0 0 16px;
  line-height: 1.8;
  color: var(--muted);
}

.feature-grid,
.split-layout {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.feature-card {
  padding: 22px;
  border-radius: 24px;
}

.feature-card h3,
.content-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

pre {
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  line-height: 1.6;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  font-size: 0.92rem;
  color: var(--muted);
}

.citation-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.teaser-layout {
  align-items: stretch;
}

.teaser-card {
  padding: 14px;
}

.teaser-image {
  display: block;
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
}

.contributions-grid {
  margin-top: 18px;
}

.stats-card {
  margin-top: 18px;
}

.stats-grid,
.benchmark-setting-grid,
.pipeline-grid {
  display: grid;
  gap: 18px;
}

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

.stats-grid > div {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 242, 0.86);
}

.big-number {
  display: block;
  margin-bottom: 8px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.stats-grid p,
.setting-card p,
.pipeline-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.benchmark-setting-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 8px;
}

.setting-card,
.pipeline-step {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 242, 0.86);
}

.setting-card h4,
.pipeline-step h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: 1.2rem;
}

.pipeline-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 18px;
}

.step-index {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff9f2;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid,
  .split-layout,
  .meta-list,
  .benchmark-setting-grid,
  .pipeline-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 32px;
  }

  .hero {
    padding: 22px;
    border-radius: 28px;
  }
}