:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --paper: #fffdf8;
  --ink: #171717;
  --muted: #5e625f;
  --line: #d9d3c6;
  --accent: #0c6b72;
  --accent-2: #a6462d;
  --accent-3: #283c78;
  --soft: #e8f2f0;
  --shadow: 0 22px 60px rgba(39, 34, 24, 0.12);
  --radius: 8px;
  --max: 1180px;
}

:root[data-color-scheme="dark"] {
  color-scheme: dark;
  --bg: #0b0d0d;
  --paper: #121514;
  --ink: #f1f0eb;
  --muted: #a7aaa5;
  --line: #303532;
  --accent: #46c1c8;
  --accent-2: #f08b6d;
  --accent-3: #98a9ff;
  --soft: #172324;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(23, 23, 23, 0.08);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 760;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: inset 7px 0 0 var(--accent-2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--ink);
}

.theme-toggle {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
}

.theme-toggle button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle button[aria-pressed="true"] {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.12);
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero,
.section,
.footer {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(420px, 1fr);
  gap: clamp(40px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 72px 0 50px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 560px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 6.2vw, 76px);
  line-height: 0.98;
  font-weight: 760;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.06;
  font-weight: 720;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

.lead {
  max-width: 560px;
  color: #343735;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.42;
}

:root[data-color-scheme="dark"] .lead,
:root[data-color-scheme="dark"] .abstract-card p,
:root[data-color-scheme="dark"] .check-list li {
  color: #d2d4cf;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 720;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.hero-stats div,
.summary-card,
.abstract-card,
.finding-card,
.story-card,
.figure-card,
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper) 84%, transparent);
}

.hero-stats div {
  padding: 16px;
}

.hero-stats dt {
  font-size: 24px;
  font-weight: 820;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-figure,
.figure-card {
  margin: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.hero-figure img {
  width: 100%;
  padding: 24px 20px 8px;
  background: white;
}

.figure-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.figure-link img {
  transition: transform 160ms ease;
}

.figure-link:hover img {
  transform: scale(1.01);
}

:root[data-color-scheme="dark"] .hero-figure img,
:root[data-color-scheme="dark"] .figure-card img,
:root[data-color-scheme="dark"] .lightbox-image {
  filter: invert(0.94) hue-rotate(180deg) saturate(0.95) contrast(0.95);
}

figcaption {
  padding: 13px 16px 15px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 56px 0;
}

.section.compact {
  padding-top: 20px;
}

.abstract-card {
  padding: clamp(22px, 4vw, 38px);
}

.abstract-card p {
  max-width: 980px;
  color: #343735;
  font-size: 18px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading p,
.split p,
.resources p {
  color: var(--muted);
  font-size: 17px;
}

.finding-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.finding-card {
  padding: 22px;
}

.finding-card span {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}

.finding-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.story-card {
  padding: clamp(22px, 4vw, 34px);
  box-shadow: var(--shadow);
}

.story-card p {
  color: var(--muted);
}

.story-card ol {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 22px;
}

.story-card li {
  padding-left: 4px;
  color: var(--ink);
  font-weight: 680;
}

.split {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(420px, 1.1fr) minmax(300px, 0.9fr);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.pill-row span {
  padding: 7px 11px;
  border: 1px solid rgba(12, 107, 114, 0.25);
  border-radius: 999px;
  background: rgba(232, 242, 240, 0.8);
  color: #0b5157;
  font-size: 13px;
  font-weight: 700;
}

:root[data-color-scheme="dark"] .pill-row span {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: var(--soft);
  color: var(--accent);
}

.figure-card {
  background: var(--paper);
}

.figure-card img {
  width: 100%;
  padding: 14px;
  background: white;
}

.table-wrap {
  overflow-x: auto;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--paper);
}

th,
td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

thead th {
  background: color-mix(in srgb, var(--line) 38%, var(--paper));
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tbody th {
  font-weight: 820;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.figure-card.wide {
  grid-column: 1 / -1;
}

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

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: #343735;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-2);
  content: "";
}

.summary-card {
  padding: clamp(22px, 4vw, 34px);
  box-shadow: var(--shadow);
}

.summary-card dl {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
}

.summary-card div {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.summary-card dt {
  color: var(--accent-3);
  font-size: 29px;
  font-weight: 850;
}

.summary-card dd {
  margin: 3px 0 0;
  color: var(--muted);
}

.resources {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.resource-links a {
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  text-decoration: none;
  font-weight: 760;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 30px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  padding: clamp(12px, 3vw, 34px);
}

.lightbox.is-open {
  display: grid;
  place-items: center;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: color-mix(in srgb, var(--bg) 78%, rgba(0, 0, 0, 0.45));
  cursor: zoom-out;
}

.lightbox-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1440px, 100%);
  height: min(92vh, 980px);
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.36);
}

.lightbox-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px 12px 18px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}

.lightbox-toolbar figcaption {
  min-width: 0;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lightbox-close {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  color: var(--ink);
  cursor: pointer;
}

.lightbox-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.lightbox-media {
  display: grid;
  place-items: center;
  min-width: 0;
  overflow: auto;
  padding: clamp(12px, 2vw, 24px);
  background: color-mix(in srgb, var(--bg) 52%, var(--paper));
}

.lightbox-image {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: var(--lightbox-image-max-height, calc(92vh - 112px));
  min-width: 0;
  margin: 0 auto;
  object-fit: contain;
  background: white;
  border: 1px solid var(--line);
  border-radius: 6px;
}

body.lightbox-open {
  overflow: hidden;
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  h1 {
    max-width: 820px;
  }

  .lead {
    max-width: 760px;
  }

  .hero-figure {
    max-width: 760px;
  }
}

@media (max-width: 920px) {
  .hero,
  .split,
  .split.reverse,
  .section-heading,
  .resources {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .finding-grid,
  .matrix-grid,
  .figure-grid {
    grid-template-columns: 1fr;
  }

  .resource-links {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 42px;
  }

  .section {
    padding: 42px 0;
  }

  .lightbox {
    padding: 8px;
  }

  .lightbox-panel {
    height: 94vh;
  }

  .lightbox-image {
    max-height: calc(94vh - 108px);
  }
}