:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --paper-strong: #ffffff;
  --ink: #18261f;
  --muted: #536157;
  --line: rgba(24, 38, 31, 0.12);
  --accent: #bc4f2f;
  --forest: #29463a;
  --shadow: 0 18px 44px rgba(39, 35, 22, 0.06);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: inherit;
}

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

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar,
.hero-grid,
.section,
.footer {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 14px 18px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.topbar a {
  text-decoration: none;
  color: var(--muted);
}

.hero {
  padding: 8px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.hero-copy {
  width: 100%;
  text-align: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  font-family: "Instrument Serif", serif;
  width: 100%;
  font-size: clamp(2.2rem, 3.8vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 100%;
  margin: 0 auto;
}

h2 {
  font-family: "Instrument Serif", serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 18px;
  font-size: 1.15rem;
}

.lead {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.authors,
.corresponding-author,
.affiliations,
.citation-text {
  color: var(--muted);
}

.authors {
  margin: 16px auto 0;
  font-size: 0.98rem;
  max-width: 100%;
}

.corresponding-author {
  margin: 8px auto 0;
  font-size: 0.92rem;
}

.affiliations {
  margin: 10px auto 0;
  font-size: 0.94rem;
  line-height: 1.7;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 28px 0;
}

.button-row.compact {
  margin: 18px 0 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: var(--forest);
  color: #fff8ef;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 251, 244, 0.85);
}

.metric-grid,
.results-grid,
.two-column {
  display: grid;
  gap: 18px;
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 22px;
}

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

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

.media-card,
.wide-media {
  padding: 18px;
}

.media-card img,
.wide-media img {
  border-radius: 18px;
  border: 1px solid rgba(24, 38, 31, 0.08);
  background: var(--paper-strong);
}

.media-card figcaption,
.wide-media figcaption {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.metric-card,
.notes-card,
.abstract-panel,
.footer,
.results-grid > .card {
  padding: 22px;
}

.metric-name {
  display: block;
  color: var(--muted);
}

.section {
  margin-top: 32px;
}

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

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

.abstract-panel p:last-child {
  margin-bottom: 0;
}

.notes-card ul {
  margin: 0;
  padding-left: 20px;
  line-height: 1.8;
  color: var(--muted);
}

.citation-text {
  margin: 0;
  line-height: 1.8;
}

.metric-card {
  min-height: 180px;
}

.metric-value {
  display: block;
  font-family: "Instrument Serif", serif;
  font-size: 3.4rem;
  line-height: 0.95;
  color: var(--forest);
}

.metric-name {
  margin-top: 10px;
  font-weight: 700;
}

.metric-card p {
  margin: 14px 0 0;
  line-height: 1.7;
  color: var(--muted);
}

.wide-media {
  margin-bottom: 18px;
}

.table-wrap {
  overflow-x: auto;
}

.bibtex-card {
  padding: 22px;
}

.bibtex-card pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  border-radius: 18px;
  background: #1f2c26;
  color: #f7f2e8;
  font-size: 0.92rem;
  line-height: 1.65;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tbody tr:last-child td {
  border-bottom: none;
}

.highlight-row {
  background: rgba(233, 185, 143, 0.18);
}

.footer {
  margin-top: 32px;
  text-align: center;
  color: var(--muted);
  line-height: 1.8;
}

.footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .metric-grid,
  .results-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .topbar {
    border-radius: 28px;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
    padding-top: 10px;
  }

  h1 {
    font-size: 2.8rem;
  }

  .lead,
  .abstract-panel p,
  .metric-card p,
  .notes-card ul,
  .media-card figcaption,
  .wide-media figcaption,
  .footer {
    line-height: 1.6;
  }

  .metric-card,
  .notes-card,
  .abstract-panel,
  .footer,
  .results-grid > .card,
  .media-card,
  .wide-media {
    padding: 16px;
  }

  th,
  td {
    padding: 12px 10px;
  }
}