:root {
  color-scheme: light dark;
  --bg: #f5f1e8;
  --bg-strong: #ece6da;
  --surface: #fcfaf5;
  --surface-alt: #f3eee3;
  --surface-strong: #ffffff;
  --text: #1f1a17;
  --text-soft: #5c534b;
  --text-faint: #857b71;
  --line: rgba(31, 26, 23, 0.76);
  --line-soft: rgba(110, 100, 88, 0.28);
  --accent: #7c6532;
  --accent-strong: #57431d;
  --accent-soft: #e7dcc2;
  --success: #2f7254;
  --warning: #9d6b25;
  --danger: #934242;
  --shadow: 0 12px 30px rgba(38, 28, 18, 0.055);
  --max-width: 1240px;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-accent: "Arial Narrow", "Aptos Narrow", "Helvetica Neue", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121315;
  --bg-strong: #171a1d;
  --surface: #1a1d21;
  --surface-alt: #20242a;
  --surface-strong: #16191c;
  --text: #f1ece2;
  --text-soft: #c8bfaf;
  --text-faint: #a59986;
  --line: rgba(241, 236, 226, 0.72);
  --line-soft: rgba(241, 236, 226, 0.18);
  --accent: #d0b57b;
  --accent-strong: #eed6a0;
  --accent-soft: rgba(112, 89, 38, 0.35);
  --success: #85caa6;
  --warning: #e2b26d;
  --danger: #e2a0a0;
  --shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, var(--bg), var(--bg-strong));
  background-size: 32px 32px, 32px 32px, 100% 100%;
  color: var(--text);
  font-family: var(--font-body);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.site-header__inner,
.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand__mark {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font: 800 1.2rem/1 var(--font-accent);
  letter-spacing: 0.02em;
}

.brand__text {
  display: grid;
  gap: 0.15rem;
}

.brand__name {
  font: 800 0.95rem/1 var(--font-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand__tag {
  color: var(--text-soft);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-strip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-strip::-webkit-scrollbar {
  display: none;
}

.nav-link,
.theme-toggle,
.lang-switcher__toggle,
.lang-switcher__menu a,
.button,
.pill {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  padding: 0.68rem 0.9rem;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav-link {
  white-space: nowrap;
  flex: 0 0 auto;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.nav-link:hover,
.theme-toggle:hover,
.lang-switcher__toggle:hover,
.lang-switcher__menu a:hover,
.button:hover {
  transform: translateY(-1px);
  background: var(--accent-soft);
}

.nav-link--active {
  background: var(--accent-soft);
}

.header-tools {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
}

.theme-toggle {
  width: 2.9rem;
  height: 2.9rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}

.theme-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
}

.theme-toggle__moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__moon {
  display: block;
}

.lang-switcher {
  position: relative;
}

.lang-switcher summary {
  list-style: none;
}

.lang-switcher summary::-webkit-details-marker {
  display: none;
}

.lang-switcher__toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.lang-switcher__menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  display: grid;
  gap: 0.35rem;
  min-width: 11rem;
  padding: 0.4rem;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.lang-switcher__menu a {
  display: block;
  font-size: 0.85rem;
}

.main {
  padding: 1.2rem 0 5rem;
}

.hero,
.panel,
.stack-card,
.data-table,
.content-prose,
.archive-grid > article,
.source-group,
.detail-metric {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero {
  padding: 1.4rem;
  display: grid;
  gap: 1.25rem;
}

.hero__eyebrow,
.section-label,
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--text-soft);
  font-weight: 700;
}

.hero__title,
.page-title,
.section-title,
.detail-title {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero__title {
  font-size: clamp(2.8rem, 6vw, 5.35rem);
}

.page-title,
.detail-title {
  font-size: clamp(2.2rem, 4.5vw, 4.4rem);
}

.hero__copy,
.section-copy,
.lede,
.content-prose p,
.archive-grid p,
.detail-copy {
  color: var(--text-soft);
  line-height: 1.72;
  font-size: 1.02rem;
}

.hero__lead-grid,
.hero__grid,
.two-col,
.three-col,
.metrics-grid,
.archive-grid,
.source-groups,
.evidence-layout,
.detail-grid,
.meta-grid,
.footer-grid {
  display: grid;
  gap: 1rem;
}

.hero__lead-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.9fr);
  align-items: end;
}

.hero__grid,
.detail-grid {
  grid-template-columns: 1.35fr 0.95fr;
}

.detail-grid--balanced {
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
}

.three-col,
.metrics-grid,
.archive-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-col,
.meta-grid,
.source-groups {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.fact-stack,
.belief-stack,
.toc-nav {
  display: grid;
  gap: 0.8rem;
}

.section {
  margin-top: 1.35rem;
}

.panel,
.stack-card,
.detail-metric,
.source-group {
  padding: 1rem;
}

.metric-value {
  font: 800 clamp(1.4rem, 2.8vw, 2.2rem) / 1.02 var(--font-accent);
  letter-spacing: -0.04em;
}

.metric-label {
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--text-soft);
}

.stack-card__title,
.source-group__title,
.detail-metric__title,
.evidence-card__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-accent);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1rem;
  line-height: 1.08;
}

.stack-card__meta,
.meta-line,
.muted {
  color: var(--text-faint);
  font-size: 0.9rem;
}

.content-list {
  margin: 0.85rem 0 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
  line-height: 1.7;
}

.stack-card__footer,
.detail-tags,
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 0.42rem 0.6rem;
}

.pill--affirm {
  background: color-mix(in srgb, var(--success) 16%, var(--surface-strong));
}

.pill--deny {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface-strong));
}

.pill--neutral {
  background: color-mix(in srgb, var(--warning) 14%, var(--surface-strong));
}

.search-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

.input,
.select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  padding: 0.95rem 1rem;
}

.textarea {
  min-height: 10rem;
  resize: vertical;
}

.button {
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
}

.button--accent {
  background: var(--line);
  color: var(--surface-strong);
}

.button--ghost {
  background: transparent;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.data-table th,
.data-table td {
  padding: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  text-align: left;
}

.data-table th {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.content-prose {
  padding: 1.3rem 1.35rem;
}

.content-prose > :first-child {
  margin-top: 0;
}

.content-prose > :last-child {
  margin-bottom: 0;
}

.content-prose h2,
.content-prose h3,
.content-prose strong {
  color: var(--text);
}

.content-prose ul,
.content-prose ol {
  padding-left: 1.2rem;
}

.contact-form,
.form-grid {
  display: grid;
  gap: 0.9rem;
}

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

.form-field {
  display: grid;
  gap: 0.45rem;
}

.form-field span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-soft);
}

.alert {
  margin-bottom: 1rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  line-height: 1.6;
}

.alert--success {
  border-left: 4px solid var(--success);
}

.alert--error {
  border-left: 4px solid var(--danger);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.breadcrumbs span::after {
  content: "/";
  margin-left: 0.5rem;
}

.breadcrumbs span:last-child::after {
  display: none;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
}

.site-footer__inner {
  grid-template-columns: 1.3fr 1fr;
  align-items: start;
  padding: 1.25rem 0 1.8rem;
}

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

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.45rem;
}

.kicker {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 0.45rem 0.6rem;
  background: var(--surface-strong);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.empty-state {
  padding: 1rem;
  border: 1px dashed var(--line-soft);
  background: var(--surface-alt);
}

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

.hero__panel {
  min-height: 100%;
}

.fact-card,
.evidence-card {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  padding: 1rem;
}

.fact-card {
  display: grid;
  gap: 0.55rem;
}

.fact-card__label {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
}

.fact-card__value {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.28;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

.fact-card__note {
  margin: 0;
  color: var(--text-soft);
}

.fact-card--accent {
  background: color-mix(in srgb, var(--accent-soft) 35%, var(--surface-strong));
}

.toc-panel {
  background: color-mix(in srgb, var(--surface) 88%, var(--surface-strong));
}

.toc-nav {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.toc-link {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  padding: 0.8rem 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.toc-link:hover {
  background: var(--accent-soft);
}

.section-title--belief {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  margin-bottom: 0.55rem;
}

.belief-section__intro {
  margin-top: 0;
  margin-bottom: 1rem;
}

.evidence-card + .evidence-card,
.stack-card + .stack-card {
  margin-top: 0.9rem;
}

.evidence-card__head {
  display: grid;
  gap: 0.45rem;
}

.evidence-card__tags {
  color: var(--text-faint);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.evidence-card__resume {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
}

.evidence-card__content {
  margin-top: 0.85rem;
  color: var(--text-soft);
  line-height: 1.72;
}

.evidence-card__content > :first-child {
  margin-top: 0;
}

.evidence-card__content > :last-child {
  margin-bottom: 0;
}

.evidence-card--favor {
  border-left: 6px solid var(--success);
}

.evidence-card--contra {
  border-left: 6px solid var(--danger);
}

.evidence-card--neutro {
  border-left: 6px solid var(--warning);
}

@media (max-width: 960px) {
  .site-header__inner,
  .site-footer__inner,
  .hero__lead-grid,
  .hero__grid,
  .detail-grid,
  .three-col,
  .metrics-grid,
  .archive-grid,
  .two-col,
  .meta-grid,
  .source-groups,
  .evidence-layout,
  .form-grid,
  .toc-nav,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    padding: 0.8rem 0;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .site-header__inner {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 0.8rem;
  }

  .header-tools {
    justify-content: space-between;
  }

  .search-box {
    grid-template-columns: 1fr;
  }
}