:root {
  --bg: #f4efe6;
  --bg-deep: #efe7da;
  --surface: rgba(255, 251, 246, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --text: #132238;
  --muted: #5a6473;
  --line: rgba(19, 34, 56, 0.12);
  --blue: #245da5;
  --blue-soft: rgba(36, 93, 165, 0.1);
  --rust: #bf765b;
  --gold: #c59a51;
  --shadow: 0 20px 60px rgba(19, 34, 56, 0.12);
  --shadow-soft: 0 12px 28px rgba(19, 34, 56, 0.08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content-width: min(1180px, calc(100vw - 32px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Sora", sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(197, 154, 81, 0.12), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(36, 93, 165, 0.13), transparent 24%),
    radial-gradient(circle at 20% 80%, rgba(191, 118, 91, 0.08), transparent 26%),
    linear-gradient(180deg, #f7f3ec 0%, #f4efe6 48%, #efe7da 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(19, 34, 56, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 34, 56, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.75), transparent 90%);
  z-index: -1;
}

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

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

code,
pre {
  font-family: "IBM Plex Mono", monospace;
}

main,
.footer {
  width: var(--content-width);
  margin: 0 auto;
}

.page-shell {
  padding-bottom: 48px;
}

.topbar {
  width: var(--content-width);
  margin: 0 auto;
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 18px;
  margin-top: 18px;
  background: rgba(255, 251, 246, 0.72);
  border: 1px solid rgba(19, 34, 56, 0.08);
  backdrop-filter: blur(18px);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
}

.brand {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}

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

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
}

.section {
  padding: 92px 0 0;
  scroll-margin-top: 100px;
}

.hero {
  padding-top: 72px;
}

.hero-copy {
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.08;
}

h1,
h2 {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 980px;
  margin: 0 auto;
  font-size: clamp(2.9rem, 6vw, 5.3rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.hero-summary {
  max-width: 900px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.author-list {
  margin: 28px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 980px;
}

.author-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(19, 34, 56, 0.1);
  box-shadow: var(--shadow-soft);
  font-size: 0.96rem;
}

.author-pill-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.author-pill-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(36, 93, 165, 0.24);
  box-shadow: 0 14px 28px rgba(36, 93, 165, 0.14);
}

.author-name {
  color: var(--text);
}

.author-link-note {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(36, 93, 165, 0.1);
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

sup {
  font-size: 0.7em;
}

.corresponding-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.affiliation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1100px;
  margin: 32px auto 0;
}

.affiliation-card,
.card,
.contact-card {
  background: var(--surface);
  border: 1px solid rgba(19, 34, 56, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.affiliation-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  text-align: left;
}

.affiliation-card h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.affiliation-card p,
.contact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.affiliation-index {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(36, 93, 165, 0.12), rgba(197, 154, 81, 0.16));
  color: var(--blue);
  font-weight: 700;
  flex: 0 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 980px;
  margin: 18px auto 0;
}

.contact-card {
  padding: 18px 20px;
  text-align: left;
}

.contact-label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-card a {
  color: var(--text);
  border-bottom: 1px solid rgba(36, 93, 165, 0.25);
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.96rem;
  font-weight: 600;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
  cursor: pointer;
}

.resource-button {
  gap: 10px;
  padding-left: 18px;
  padding-right: 22px;
}

.button-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-icon .icon-fill {
  fill: currentColor;
  stroke: none;
}

.button-label {
  display: inline-block;
  letter-spacing: 0.01em;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--blue), #154177);
  color: #fff;
  box-shadow: 0 14px 34px rgba(36, 93, 165, 0.26);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  border-color: rgba(19, 34, 56, 0.1);
}

.button.ghost {
  background: transparent;
  color: var(--rust);
  border-color: rgba(191, 118, 91, 0.24);
}

.button.small {
  min-height: 42px;
  margin-top: 18px;
}

.keyword-list {
  list-style: none;
  padding: 0;
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.keyword-list li {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(36, 93, 165, 0.08);
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-panel {
  margin-top: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.9fr);
  gap: 20px;
  align-items: start;
}

.hero-panel > *,
.overview-grid > *,
.results-grid > *,
.analysis-grid > *,
.citation-grid > *,
.gallery-grid > * {
  min-width: 0;
}

.card {
  padding: 24px;
}

.figure-card {
  padding: 18px;
  overflow: hidden;
}

.figure-card img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - 8px);
  background: var(--surface-strong);
}

.figure-card figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.93rem;
}

.scoreboard {
  position: relative;
  overflow: hidden;
}

.scoreboard::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(197, 154, 81, 0.22), transparent 70%);
  pointer-events: none;
}

.scoreboard-header h2 {
  margin-top: 6px;
  font-size: clamp(1.9rem, 2.8vw, 2.5rem);
}

.score-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.score-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(19, 34, 56, 0.08);
}

.score-label,
.score-metric,
.score-delta,
.metric-context,
.metric-name,
.analysis-title {
  display: block;
}

.score-label,
.metric-context {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.score-card strong,
.metric-highlight strong {
  display: block;
  margin-top: 6px;
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.score-metric,
.metric-name {
  margin-top: 6px;
  color: var(--text);
  font-size: 0.94rem;
}

.score-delta {
  margin-top: 10px;
  color: var(--rust);
  font-size: 0.88rem;
  font-weight: 600;
}

.score-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.section-heading h2 {
  margin-top: 4px;
}

.overview-grid,
.results-grid,
.analysis-grid,
.citation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.prose p {
  margin: 0;
  color: var(--muted);
}

.prose p + p {
  margin-top: 14px;
}

.stack {
  display: grid;
  gap: 20px;
}

.insight-card {
  position: relative;
  padding-left: 88px;
}

.insight-index,
.step-index {
  position: absolute;
  top: 22px;
  left: 24px;
  color: rgba(36, 93, 165, 0.14);
  font-family: "Cormorant Garamond", serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}

.insight-card h3,
.step-card h3 {
  margin-bottom: 10px;
}

.insight-card p,
.step-card p,
.analysis-point p {
  margin: 0;
  color: var(--muted);
}

.wide {
  margin-top: 24px;
}

.steps-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.step-card {
  position: relative;
  min-height: 220px;
  padding-left: 96px;
}

.results-strip {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-highlight {
  text-align: center;
  padding: 24px 18px;
}

.metric-highlight strong {
  font-size: 2rem;
  color: var(--blue);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.analysis-points {
  margin-top: 18px;
  display: grid;
  gap: 18px;
}

.analysis-title {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 700;
}

pre {
  margin: 18px 0 0;
  padding: 18px;
  overflow-x: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  background: #162235;
  color: #eff4fb;
  font-size: 0.88rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.copy-status {
  min-height: 1.2em;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer {
  margin-top: 80px;
  padding: 28px 0 0;
  border-top: 1px solid rgba(19, 34, 56, 0.08);
}

.footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer a {
  color: var(--blue);
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 560ms ease,
    transform 560ms ease;
}

.has-js .reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-panel,
  .overview-grid,
  .results-grid,
  .analysis-grid,
  .citation-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .topbar {
    border-radius: 26px;
    padding: 14px 16px;
    justify-content: center;
    text-align: center;
  }

  .nav {
    justify-content: center;
  }

  .affiliation-grid,
  .contact-grid,
  .steps-grid,
  .score-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 80px;
  }
}

@media (max-width: 640px) {
  :root {
    --content-width: min(100vw - 20px, 1180px);
  }

  body::before {
    background-size: 44px 44px;
  }

  .topbar {
    top: 8px;
    margin-top: 10px;
  }

  .hero {
    padding-top: 42px;
  }

  .card,
  .contact-card,
  .affiliation-card {
    padding: 18px;
  }

  .figure-card {
    padding: 12px;
  }

  .results-strip {
    grid-template-columns: 1fr;
  }

  .author-pill {
    width: 100%;
  }

  .insight-card,
  .step-card {
    padding-left: 18px;
  }

  .insight-index,
  .step-index {
    position: static;
    display: block;
    margin-bottom: 8px;
    font-size: 1.8rem;
  }
}