:root {
  --ink: #14171f;
  --muted: #5c6370;
  --line: #d8dde8;
  --panel: #f6f8fb;
  --paper: #ffffff;
  --teal: #007c89;
  --teal-dark: #075661;
  --amber: #c87400;
  --rose: #b2294a;
  --shadow: 0 18px 50px rgba(20, 23, 31, 0.14);
}

* {
  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: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--teal-dark);
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.93rem;
}

nav a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--teal-dark);
}

.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 86px 28px 72px;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("flowchart.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.76) 48%, rgba(255, 255, 255, 0.16)),
    linear-gradient(0deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.12) 44%);
}

.hero-content,
.section-copy,
.metrics,
.wide-figure,
.results-tables,
.result-grid,
.citation pre,
footer {
  width: min(1160px, calc(100vw - 56px));
  margin-inline: auto;
}

.hero-content {
  padding-bottom: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--rose);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 760px;
  font-size: clamp(3.5rem, 8vw, 8.2rem);
  font-weight: 850;
}

h2 {
  max-width: 860px;
  font-size: clamp(2rem, 4vw, 4.1rem);
  font-weight: 820;
}

.subtitle,
.section-copy p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.authors {
  max-width: 760px;
  color: var(--teal-dark);
  font-size: 1.05rem;
  font-weight: 750;
}

.authors-block {
  margin-bottom: 76px;
}

.authors-block a {
  color: var(--teal-dark);
  font-weight: 750;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(20, 23, 31, 0.1);
}

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

.metrics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}

.metric-card {
  flex: 1 1 200px;
  max-width: 224px;
  min-height: 134px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 32px rgba(20, 23, 31, 0.1);
}

.metrics strong,
.metrics span {
  display: block;
}

.metrics strong {
  color: var(--teal-dark);
  font-size: clamp(1.7rem, 3vw, 2.9rem);
  line-height: 1;
}

.metrics span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.section {
  padding: 108px 0 0;
}

.wide-figure,
.result-grid,
.results-tables {
  margin-top: 34px;
}

figure {
  margin: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.wide-figure img,
.result-grid figure {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(20, 23, 31, 0.09);
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.results {
  background: var(--panel);
  margin-top: 108px;
  padding-bottom: 108px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.results-tables {
  display: grid;
  gap: 28px;
  justify-items: center;
}

.result-table-panel {
  width: min(100%, 1040px);
}

.compact-panel {
  width: min(100%, 860px);
}

.table-heading {
  max-width: 760px;
  margin: 0 auto 16px;
  text-align: center;
}

.table-heading h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.15;
}

.table-heading p {
  margin: 8px auto 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.table-wrap {
  width: 100%;
  margin-inline: auto;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 34px rgba(20, 23, 31, 0.09);
}

.score-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.compact-table .score-table {
  min-width: 640px;
}

.score-table th,
.score-table td {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  text-align: center;
  white-space: nowrap;
}

.score-table thead th {
  color: var(--muted);
  background: #f7f9fb;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.score-table tbody th {
  color: var(--ink);
  font-weight: 750;
  text-align: left;
}

.score-table tbody tr:hover th,
.score-table tbody tr:hover td {
  background: #f8fbfc;
}

.score-table .ours th,
.score-table .ours td {
  color: var(--teal-dark);
  font-weight: 850;
  background: #edf8f8;
}

.score-table td:nth-child(2),
.score-table th:nth-child(2) {
  color: var(--teal-dark);
}

.result-grid figure {
  padding: 16px;
}

.citation {
  padding-bottom: 108px;
}

.citation pre {
  overflow-x: auto;
  margin-top: 32px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #10131a;
  color: #eef4ff;
  font-size: 0.95rem;
  line-height: 1.55;
}

footer {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 84px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer span {
  margin-right: auto;
  color: var(--ink);
  font-weight: 800;
}

footer a {
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 18px;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 76vh;
    padding-inline: 18px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.76) 52%, rgba(255, 255, 255, 0.3)),
      linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.62));
  }

  .hero-content,
  .section-copy,
  .metrics,
  .wide-figure,
  .results-tables,
  .result-grid,
  .citation pre,
  footer {
    width: min(100% - 36px, 1160px);
  }

  .metric-card {
    max-width: none;
  }

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

  .table-heading {
    text-align: left;
  }

  .table-wrap {
    width: 100%;
  }

  .score-table {
    font-size: 0.9rem;
  }

  .section,
  .results {
    padding-top: 72px;
  }

  .results {
    margin-top: 72px;
    padding-bottom: 72px;
  }

  .citation {
    padding-bottom: 72px;
  }

  footer {
    flex-wrap: wrap;
    padding: 24px 0;
  }
}