:root {
  --bg: #f4efe6;
  --bg-soft: #fbf8f2;
  --bg-strong: #fffdf8;
  --ink: #11233d;
  --muted: #5a6980;
  --line: rgba(17, 35, 61, 0.14);
  --primary: #de5a2d;
  --primary-dark: #b9461e;
  --secondary: #0d7b7c;
  --highlight: #d8e4c8;
  --highlight-strong: #c8d8b1;
  --shadow: 0 18px 48px rgba(17, 35, 61, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100vw - 48px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(222, 90, 45, 0.08), transparent 28%),
    radial-gradient(circle at 10% 15%, rgba(13, 123, 124, 0.11), transparent 24%),
    linear-gradient(180deg, #f6f2ea 0%, #f2eee6 48%, #faf7f1 100%);
  line-height: 1.65;
}

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

figure {
  margin: 0;
}

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

code,
pre {
  font-family: ui-monospace, SFMono-Regular, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.page-shell {
  overflow: clip;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.narrow {
  width: min(860px, var(--container));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(251, 248, 242, 0.78);
  border-bottom: 1px solid rgba(17, 35, 61, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  font-family: "Sora", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--primary);
}

.hero-section {
  padding: 72px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 34px;
  align-items: start;
}

.hero-copy,
.hero-panel,
.section-heading,
.text-card,
.figure-frame,
.result-card,
.table-card,
.citation-card,
.mini-card {
  position: relative;
}

.eyebrow,
.section-tag,
.mini-tag {
  margin: 0 0 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--secondary);
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  font-family: "Sora", sans-serif;
  line-height: 1.08;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  max-width: 14ch;
}

.hero-copy h1 span {
  display: block;
  margin-top: 14px;
  font-size: clamp(1.1rem, 2vw, 1.85rem);
  line-height: 1.3;
  color: var(--muted);
  font-weight: 500;
}

.lead,
.section-copy {
  color: var(--muted);
  font-size: 1.02rem;
}

.lead {
  margin: 26px 0 0;
  max-width: 64ch;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 28px;
  font-weight: 600;
}

.authors span,
.authors a {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.authors a {
  text-decoration: underline;
  text-decoration-color: rgba(222, 90, 45, 0.28);
  text-underline-offset: 0.16em;
}

.authors a:hover {
  color: var(--primary);
  text-decoration-color: currentColor;
}

.authors sup,
.affiliations sup {
  font-size: 0.72em;
  color: var(--primary);
}

.affiliations {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.affiliations p {
  margin: 4px 0;
}

.action-row {
  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 rgba(17, 35, 61, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(17, 35, 61, 0.25);
}

.button.primary {
  background: var(--primary);
  color: #fffdf8;
  border-color: transparent;
}

.button.primary:hover {
  background: var(--primary-dark);
}

.button.ghost {
  color: rgba(17, 35, 61, 0.42);
  background: rgba(255, 255, 255, 0.28);
  cursor: not-allowed;
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat-card,
.result-card,
.text-card,
.mini-card,
.table-card,
.citation-card,
.figure-frame {
  border: 1px solid rgba(17, 35, 61, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.78);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 14px 15px;
}

.stat-card strong {
  display: block;
  margin-bottom: 6px;
  font-family: "Sora", sans-serif;
  font-size: 1.28rem;
  color: var(--primary);
  line-height: 1.1;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.figure-frame {
  padding: 14px;
}

.hero-figure {
  width: 100%;
}

.figure-frame img {
  border-radius: calc(var(--radius-md) - 8px);
  border: 1px solid rgba(17, 35, 61, 0.08);
  background: #fff;
}

.figure-frame figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.caption-inline-media {
  display: grid;
  grid-template-columns: minmax(0, 0.64fr) minmax(0, 0.36fr);
  gap: 14px;
  align-items: center;
  margin-top: 14px;
}

.caption-inline-media img {
  border-radius: 12px;
  border: 1px solid rgba(17, 35, 61, 0.08);
  background: #fff;
}

.caption-inline-media p {
  margin: 0;
}

.section {
  padding: 42px 0;
}

.section.alt {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.18)),
    radial-gradient(circle at bottom left, rgba(216, 228, 200, 0.34), transparent 30%);
}

.section-heading {
  max-width: 840px;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.section-heading .section-copy {
  margin-top: 14px;
}

.insight-grid,
.gallery-grid,
.result-notes,
.citation-grid {
  display: grid;
  gap: 22px;
}

.insight-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.method-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 24px;
  margin-top: 28px;
  align-items: start;
}

.method-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: stretch;
}

.method-copy .text-card {
  height: 100%;
}

.method-paradigms {
  margin-top: 18px;
}

.text-card,
.result-card,
.table-card,
.citation-card,
.mini-card {
  padding: 22px;
}

.text-card h3,
.result-card h3,
.table-header h3,
.mini-card h4 {
  margin: 0 0 10px;
  font-family: "Sora", sans-serif;
  line-height: 1.2;
}

.title-accent {
  color: var(--primary);
}

.text-card p,
.result-card p,
.table-header p,
.mini-card p {
  margin: 0;
  color: var(--muted);
}

.bullet-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullet-list li + li {
  margin-top: 8px;
}

.paradigm-grid,
.result-highlight-grid,
.result-notes {
  display: grid;
  gap: 18px;
}

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

.result-highlight-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
}

.metric {
  margin: 0 0 10px;
  font-family: "Sora", sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--primary);
}

.table-card {
  margin-top: 22px;
}

.table-header {
  margin-bottom: 16px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(17, 35, 61, 0.08);
}

th {
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

tbody tr:hover {
  background: rgba(216, 228, 200, 0.18);
}

.highlight-row {
  background: rgba(216, 228, 200, 0.34);
  font-weight: 700;
}

.gallery-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

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

.citation-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.citation-card {
  display: grid;
  gap: 16px;
}

.copy-button {
  justify-self: start;
  min-height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: #fffdf8;
  font-weight: 700;
  cursor: pointer;
}

.copy-button:hover {
  background: #1a345a;
}

pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: #132744;
  color: #ecf2fb;
  font-size: 0.92rem;
  line-height: 1.6;
}

.site-footer {
  padding: 18px 0 38px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  color: var(--muted);
  font-size: 0.94rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1100px) {
  .hero-grid,
  .method-grid,
  .citation-grid,
  .result-highlight-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 860px) {
  :root {
    --container: min(100vw - 28px, 1000px);
  }

  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-section {
    padding-top: 48px;
  }

  .hero-stats,
  .insight-grid,
  .method-copy,
  .paradigm-grid,
  .caption-inline-media,
  .gallery-grid,
  .result-notes,
  .result-highlight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .action-row {
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .stat-card,
  .text-card,
  .mini-card,
  .result-card,
  .table-card,
  .citation-card,
  .figure-frame {
    border-radius: 18px;
  }
}