@font-face {
  font-family: "Proof Sans";
  src: local("Avenir Next"), local("Avenir"), local("Helvetica Neue");
  font-display: swap;
}

:root {
  --paper: #f4f1e7;
  --paper-bright: #fbfaf5;
  --ink: #112837;
  --ink-soft: #53626b;
  --ink-faint: #7c878c;
  --marine: #006b9c;
  --marine-deep: #053a57;
  --sea: #65bdd8;
  --sky: #c9e7f0;
  --vermillion: #e84f35;
  --moss: #4e785a;
  --sand: #d9cba7;
  --line: rgba(17, 40, 55, 0.18);
  --line-strong: rgba(17, 40, 55, 0.42);
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(11, 38, 52, 0.16);
  --sans: "Proof Sans", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Yu Mincho", YuMincho, Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: min(1380px, calc(100vw - 64px));
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 28px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

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

::selection {
  background: var(--vermillion);
  color: var(--white);
}

:focus-visible {
  outline: 3px solid var(--vermillion);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 12px 16px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--white);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  transition:
    color 220ms ease,
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.site-header.is-solid {
  color: var(--ink);
  background: rgba(244, 241, 231, 0.93);
  border-color: var(--line);
  box-shadow: 0 10px 40px rgba(11, 38, 52, 0.08);
  backdrop-filter: blur(18px);
}

.wordmark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
}

.wordmark-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  isolation: isolate;
}

.wordmark-mark::before {
  position: absolute;
  z-index: -1;
  inset: 5px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: inherit;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.98), rgba(201, 231, 240, 0.9) 68%, rgba(101, 189, 216, 0.82));
  box-shadow:
    0 4px 18px rgba(4, 31, 45, 0.22),
    inset 0 0 0 2px rgba(17, 40, 55, 0.08);
  content: "";
}

.wordmark-mark img {
  width: 54px;
  height: 54px;
  max-width: none;
  object-fit: contain;
  filter: drop-shadow(0 4px 5px rgba(4, 31, 45, 0.22));
  transition: transform 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.wordmark:hover .wordmark-mark img {
  transform: translateY(-1px) rotate(-2deg) scale(1.045);
}

.site-header.is-solid .wordmark-mark::before {
  border-color: rgba(17, 40, 55, 0.16);
  box-shadow:
    0 4px 16px rgba(4, 31, 45, 0.13),
    inset 0 0 0 2px rgba(17, 40, 55, 0.06);
}

.wordmark-footer .wordmark-mark::before {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow:
    0 5px 18px rgba(0, 0, 0, 0.28),
    inset 0 0 0 2px rgba(17, 40, 55, 0.08);
}

.wordmark-copy {
  display: grid;
  line-height: 1.1;
}

.wordmark-copy strong {
  font-size: 15px;
  letter-spacing: -0.02em;
}

.wordmark-copy small {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  opacity: 0.72;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav a,
.header-link {
  position: relative;
}

.site-nav a::after,
.header-link::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.header-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-link {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 840px;
  height: min(100vh, 980px);
  overflow: hidden;
  color: var(--white);
  background: var(--marine-deep);
}

.hero-image,
.hero-scrim,
.hero-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 50% 52%;
  transform: scale(1.01);
  animation: hero-settle 1.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(4, 31, 45, 0.79) 0%, rgba(4, 31, 45, 0.44) 44%, rgba(4, 31, 45, 0.06) 75%),
    linear-gradient(0deg, rgba(4, 31, 45, 0.72) 0%, transparent 34%, rgba(4, 31, 45, 0.17) 100%);
}

.hero-lines {
  opacity: 0.38;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(255, 255, 255, 0.42) 50%, transparent calc(50% + 1px)) center bottom / 18% 53% no-repeat,
    repeating-linear-gradient(90deg, transparent 0, transparent calc(25% - 1px), rgba(255, 255, 255, 0.1) 25%, transparent calc(25% + 1px));
  mask-image: linear-gradient(to bottom, transparent, black 35%, black);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin: 0 auto;
  padding-top: clamp(178px, 24vh, 250px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow-on-image {
  color: rgba(255, 255, 255, 0.84);
}

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d8f2a2;
  box-shadow: 0 0 0 4px rgba(216, 242, 162, 0.16);
}

.hero h1 {
  max-width: 820px;
  margin: 26px 0 0;
  font-family: var(--serif);
  font-size: clamp(82px, 10vw, 154px);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.hero-deck {
  max-width: 650px;
  margin: 42px 0 0;
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.45;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-width: 196px;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 750;
  transition:
    transform 160ms ease,
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--paper-bright);
  color: var(--ink);
}

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

.button-glass {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(5, 35, 50, 0.18);
  color: var(--white);
  backdrop-filter: blur(10px);
}

.button-glass:hover {
  background: rgba(5, 35, 50, 0.44);
}

.hero-milepost {
  position: absolute;
  z-index: 3;
  right: 32px;
  bottom: 32px;
  display: grid;
  grid-template-columns: repeat(3, minmax(132px, 1fr));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(5, 35, 50, 0.42);
  backdrop-filter: blur(14px);
}

.hero-milepost div {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 20px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-milepost div:last-child {
  border-right: 0;
}

.hero-milepost strong {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
  line-height: 1;
}

.hero-milepost span {
  align-self: end;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero-caption {
  position: absolute;
  z-index: 3;
  bottom: 34px;
  left: 32px;
  max-width: 330px;
  margin: 0;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.waterline {
  padding-block: 120px 132px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 52px;
  color: var(--ink-soft);
}

.section-kicker::after {
  flex: 1;
  height: 1px;
  background: var(--line);
  content: "";
}

.section-kicker span,
.section-kicker p {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-kicker span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.waterline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.55fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}

.waterline-copy h2,
.ledger-heading h2,
.method-heading h2,
.sources-grid h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.waterline-copy h2 {
  max-width: 840px;
  font-size: clamp(52px, 6vw, 88px);
  line-height: 0.98;
}

.waterline-copy > p {
  max-width: 760px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.65;
  letter-spacing: -0.015em;
}

.truth-card {
  position: relative;
  padding: 28px;
  border-top: 5px solid var(--vermillion);
  background: var(--paper-bright);
  box-shadow: 0 20px 60px rgba(11, 38, 52, 0.08);
}

.truth-card::before {
  position: absolute;
  inset: 13px;
  border: 1px solid var(--line);
  pointer-events: none;
  content: "";
}

.truth-card > * {
  position: relative;
}

.truth-card-label {
  display: block;
  margin-bottom: 34px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vermillion);
}

.truth-card strong {
  display: block;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.truth-card p {
  margin: 22px 0 30px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.truth-card a {
  display: inline-flex;
  gap: 12px;
  font-size: 12px;
  font-weight: 750;
}

.metric-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 104px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.metric-rail article {
  min-height: 270px;
  padding: 30px 28px 34px;
  border-right: 1px solid var(--line);
}

.metric-rail article:last-child {
  border-right: 0;
}

.metric-number {
  display: block;
  margin-bottom: 62px;
  font-family: var(--serif);
  font-size: clamp(52px, 5vw, 74px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.05em;
}

.metric-rail h3 {
  margin: 0;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.metric-rail p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
}

.ledger-section {
  padding: 112px 0 132px;
  color: var(--paper-bright);
  background:
    radial-gradient(circle at 78% 10%, rgba(46, 129, 159, 0.24), transparent 30%),
    var(--ink);
}

.section-kicker-light,
.section-kicker-on-dark {
  color: rgba(255, 255, 255, 0.62);
}

.section-kicker-light::after,
.section-kicker-on-dark::after {
  background: rgba(255, 255, 255, 0.22);
}

.section-kicker-light span,
.section-kicker-on-dark span {
  border-color: rgba(255, 255, 255, 0.38);
}

.ledger-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 80px;
}

.ledger-heading h2 {
  font-size: clamp(64px, 7vw, 104px);
  line-height: 0.93;
}

.ledger-heading p {
  max-width: 690px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
  line-height: 1.65;
}

.text-link {
  flex: 0 0 auto;
  display: grid;
  gap: 3px;
  min-width: 210px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
  font-size: 13px;
  font-weight: 700;
}

.text-link span {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.55;
}

.ledger-console {
  margin-top: 74px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.ledger-tabs {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.ledger-tabs button {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 70px;
  padding: 0 22px;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
  transition:
    color 160ms ease,
    background 160ms ease;
}

.ledger-tabs button:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.ledger-tabs button span {
  display: grid;
  place-items: center;
  min-width: 26px;
  height: 20px;
  padding: 0 6px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.09);
  font-family: var(--mono);
  font-size: 8px;
}

.ledger-tabs button[aria-selected="true"] {
  background: var(--paper-bright);
  color: var(--ink);
}

.ledger-tabs button[aria-selected="true"] span {
  background: var(--ink);
  color: var(--white);
}

.ledger-tools {
  display: grid;
  grid-template-columns: 1fr minmax(250px, 0.34fr);
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.search-control,
.filter-control {
  min-height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.045);
}

.search-control {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
}

.search-control svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.4;
  opacity: 0.6;
}

.search-control input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--white);
}

.search-control input::placeholder {
  color: rgba(255, 255, 255, 0.46);
}

.search-control kbd {
  padding: 3px 7px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 9px;
  opacity: 0.6;
}

.filter-control {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  padding: 0 14px 0 18px;
}

.filter-control span {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  opacity: 0.55;
}

.filter-control select {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  background: var(--ink);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  text-align: right;
}

.results-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  color: rgba(255, 255, 255, 0.54);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.results-meta p {
  margin: 0;
}

.results-meta strong {
  color: var(--white);
}

.results-meta button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.record-list {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.record-card {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.record-button {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) minmax(140px, auto) 30px;
  gap: 22px;
  align-items: center;
  min-height: 142px;
  padding: 22px 14px 22px 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    padding 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.record-button::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--paper-bright);
  content: "";
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.record-button > * {
  position: relative;
  z-index: 1;
}

.record-button:hover {
  padding-left: 18px;
  color: var(--ink);
}

.record-button:hover::before {
  transform: scaleY(1);
}

.record-index {
  align-self: start;
  padding-top: 5px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  opacity: 0.55;
}

.record-main {
  display: grid;
  gap: 10px;
}

.record-meta {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.54;
}

.record-title {
  max-width: 900px;
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 30px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.record-subtitle {
  display: -webkit-box;
  max-width: 900px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.record-button:hover .record-subtitle {
  color: var(--ink-soft);
}

.record-state,
.status-pill {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: max-content;
  padding: 7px 10px;
  border: 1px solid currentColor;
  border-radius: 99px;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.record-state::before,
.status-pill::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.record-button:hover .record-state {
  color: var(--ink-soft);
}

[data-state="REPRODUCED"],
[data-state="VERIFIED_MECHANISM"] {
  color: #8dc7a1;
}

[data-state="IMPLEMENTED"],
[data-state="SOURCE_REVIEWED"] {
  color: #7fc7e6;
}

[data-state="SPECIFIED"],
[data-state="DETERMINISTIC_FIXTURE_CONFORMANCE"] {
  color: #e0c67b;
}

[data-state="HYPOTHESIS"],
[data-state="AWAITING_LOCAL_RUN"] {
  color: #e99a87;
}

[data-state="INCONCLUSIVE"],
[data-state="WITHHELD"] {
  color: #aab0b4;
}

[data-state="FAILED"] {
  color: #ff725b;
}

.record-button:hover [data-state] {
  color: currentColor;
}

.record-arrow {
  font-size: 18px;
  opacity: 0.54;
  transition: transform 180ms ease;
}

.record-button:hover .record-arrow {
  transform: translate(3px, -3px);
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.54);
  text-align: center;
}

.empty-state strong {
  display: block;
  margin-bottom: 8px;
  color: var(--white);
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
}

.load-more {
  width: 100%;
  min-height: 58px;
  margin-top: 22px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition:
    color 160ms ease,
    background 160ms ease;
}

.load-more:hover {
  background: var(--paper-bright);
  color: var(--ink);
}

.method-section {
  position: relative;
  min-height: 980px;
  overflow: hidden;
  color: var(--white);
  background: var(--marine-deep);
}

.method-image,
.method-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.method-image {
  object-fit: cover;
  object-position: 50% 50%;
}

.method-overlay {
  background:
    linear-gradient(90deg, rgba(3, 31, 47, 0.93) 0%, rgba(3, 31, 47, 0.76) 48%, rgba(3, 31, 47, 0.25) 100%),
    linear-gradient(0deg, rgba(3, 31, 47, 0.9), transparent 55%);
}

.method-content {
  position: relative;
  z-index: 1;
  padding-block: 106px 120px;
}

.method-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.55fr);
  gap: 80px;
  align-items: end;
}

.method-heading h2 {
  font-size: clamp(56px, 6.4vw, 96px);
  line-height: 0.96;
}

.method-heading > p {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.65;
}

.method-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.58fr);
  gap: 72px;
  align-items: start;
  margin-top: 88px;
}

.status-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: status;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.status-ladder li {
  counter-increment: status;
  display: grid;
  grid-template-columns: 38px minmax(170px, 0.4fr) 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.23);
}

.status-ladder li::before {
  content: counter(status, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 8px;
  opacity: 0.48;
}

.status-ladder strong {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.status-ladder p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  line-height: 1.55;
}

.method-rules {
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(3, 31, 47, 0.42);
  backdrop-filter: blur(14px);
}

.method-rules .eyebrow {
  color: rgba(255, 255, 255, 0.62);
}

.method-rules ol {
  display: grid;
  gap: 0;
  margin: 28px 0 34px;
  padding: 0;
  list-style: none;
  counter-reset: rule;
}

.method-rules li {
  counter-increment: rule;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  padding: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.3;
}

.method-rules li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.method-rules li::before {
  content: counter(rule);
  padding-top: 4px;
  font-family: var(--mono);
  font-size: 8px;
  opacity: 0.55;
}

.button-paper {
  width: 100%;
  color: var(--ink);
  background: var(--paper-bright);
}

.sources-section {
  padding-block: 120px 110px;
}

.sources-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.52fr);
  gap: 110px;
  align-items: start;
}

.sources-grid h2 {
  max-width: 820px;
  font-size: clamp(50px, 5.5vw, 80px);
  line-height: 0.98;
}

.sources-grid > div > p {
  max-width: 760px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.65;
}

.provenance-list {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.provenance-list div {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.provenance-list dt {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.provenance-list dd {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.provenance-list a {
  border-bottom: 1px solid var(--line-strong);
}

.publication-boundary {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 18px;
  max-width: 890px;
  margin-top: 84px;
  padding-top: 24px;
  border-top: 1px solid var(--vermillion);
}

.publication-boundary span {
  color: var(--vermillion);
  font-family: var(--serif);
  font-size: 25px;
}

.publication-boundary p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 60px;
  padding: 58px 32px 28px;
  color: var(--paper);
  background: #0a202d;
}

.wordmark-footer {
  margin-bottom: 26px;
}

.site-footer > div > p {
  max-width: 390px;
  margin: 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
}

.footer-links {
  justify-self: end;
  display: grid;
  gap: 10px;
  min-width: 280px;
}

.footer-links a {
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 12px;
}

.copyright {
  grid-column: 1 / -1;
  margin: 52px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail-dialog {
  width: min(760px, calc(100vw - 30px));
  max-height: min(880px, calc(100vh - 30px));
  margin: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  overflow: visible;
}

.detail-dialog::backdrop {
  background: rgba(4, 22, 32, 0.8);
  backdrop-filter: blur(10px);
}

.dialog-shell {
  position: relative;
  max-height: min(880px, calc(100vh - 30px));
  overflow-y: auto;
  padding: clamp(30px, 6vw, 64px);
  background:
    linear-gradient(rgba(17, 40, 55, 0.045) 1px, transparent 1px) 0 0 / 100% 36px,
    var(--paper-bright);
  box-shadow: var(--shadow);
}

.dialog-close {
  position: sticky;
  z-index: 3;
  top: 0;
  float: right;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-top: -18px;
  margin-right: -18px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper-bright);
  color: var(--ink);
  font-size: 24px;
  cursor: pointer;
}

.dialog-kicker {
  margin: 0 60px 24px 0;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.dialog-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.dialog-status {
  margin-top: 22px;
}

.dialog-summary {
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
}

.dialog-section {
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
}

.dialog-section h3 {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.dialog-section p,
.dialog-section li {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.dialog-section ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
}

.dialog-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 38px;
  border: 1px solid var(--line);
  background: var(--line);
}

.dialog-facts div {
  min-height: 80px;
  padding: 15px;
  background: var(--paper-bright);
}

.dialog-facts dt {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dialog-facts dd {
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.artifact-links {
  display: grid;
  gap: 8px;
}

.artifact-links a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  overflow-wrap: anywhere;
}

.dialog-source {
  display: inline-flex;
  justify-content: space-between;
  gap: 30px;
  width: 100%;
  margin-top: 42px;
  padding: 17px 18px;
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.noscript {
  position: fixed;
  z-index: 200;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 14px;
  background: var(--vermillion);
  color: var(--white);
  text-align: center;
}

@keyframes hero-settle {
  from {
    opacity: 0.6;
    transform: scale(1.06);
  }
  to {
    opacity: 1;
    transform: scale(1.01);
  }
}

@media (max-width: 1060px) {
  :root {
    --shell: min(100% - 40px, 920px);
  }

  .site-nav {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .hero {
    min-height: 800px;
  }

  .hero-milepost {
    right: 20px;
    bottom: 20px;
  }

  .hero-caption {
    display: none;
  }

  .waterline-grid,
  .method-heading,
  .method-grid,
  .sources-grid {
    grid-template-columns: 1fr;
  }

  .waterline-grid,
  .method-heading,
  .method-grid,
  .sources-grid {
    gap: 48px;
  }

  .truth-card {
    max-width: 520px;
  }

  .metric-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-rail article:nth-child(2) {
    border-right: 0;
  }

  .metric-rail article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .method-section {
    min-height: 1240px;
  }

  .method-overlay {
    background:
      linear-gradient(0deg, rgba(3, 31, 47, 0.95) 0%, rgba(3, 31, 47, 0.82) 70%, rgba(3, 31, 47, 0.38) 100%);
  }

  .method-rules {
    max-width: 620px;
  }

  .provenance-list {
    max-width: 620px;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100vw - 30px);
    --header-height: 66px;
  }

  .site-header {
    padding: 0 15px;
  }

  .wordmark {
    gap: 8px;
  }

  .wordmark-mark {
    width: 43px;
    height: 43px;
  }

  .wordmark-mark img {
    width: 48px;
    height: 48px;
  }

  .wordmark-copy small {
    display: none;
  }

  .header-link {
    font-size: 11px;
  }

  .hero {
    height: 100svh;
    min-height: 720px;
    max-height: 920px;
  }

  .hero-image {
    object-position: 57% 50%;
  }

  .hero-scrim {
    background:
      linear-gradient(90deg, rgba(4, 31, 45, 0.75), rgba(4, 31, 45, 0.2)),
      linear-gradient(0deg, rgba(4, 31, 45, 0.86) 0%, transparent 58%, rgba(4, 31, 45, 0.22) 100%);
  }

  .hero-content {
    padding-top: 150px;
  }

  .hero h1 {
    margin-top: 22px;
    font-size: clamp(68px, 21vw, 102px);
    line-height: 0.84;
  }

  .hero-deck {
    margin-top: 30px;
    font-size: 17px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-top: 26px;
  }

  .button {
    width: 100%;
  }

  .hero-milepost {
    right: 15px;
    bottom: 15px;
    left: 15px;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-milepost div {
    min-height: 82px;
    padding: 12px 10px;
  }

  .hero-milepost strong {
    font-size: 27px;
  }

  .hero-milepost span {
    font-size: 7px;
    line-height: 1.35;
  }

  .waterline,
  .sources-section {
    padding-block: 76px 84px;
  }

  .section-kicker {
    margin-bottom: 34px;
  }

  .waterline-copy h2,
  .sources-grid h2 {
    font-size: 46px;
  }

  .waterline-copy > p,
  .sources-grid > div > p {
    margin-top: 26px;
    font-size: 16px;
  }

  .metric-rail {
    grid-template-columns: 1fr;
    margin-top: 68px;
  }

  .metric-rail article,
  .metric-rail article:nth-child(2) {
    min-height: 190px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-rail article:last-child {
    border-bottom: 0;
  }

  .metric-number {
    margin-bottom: 32px;
  }

  .ledger-section {
    padding-block: 76px 88px;
  }

  .ledger-heading {
    display: grid;
    gap: 40px;
  }

  .ledger-heading h2 {
    font-size: 60px;
  }

  .ledger-heading p {
    font-size: 15px;
  }

  .text-link {
    width: 100%;
  }

  .ledger-console {
    margin-top: 48px;
  }

  .ledger-tabs button {
    min-height: 60px;
    padding: 0 16px;
  }

  .ledger-tools {
    grid-template-columns: 1fr;
  }

  .filter-control {
    grid-template-columns: 1fr auto;
  }

  .record-button {
    grid-template-columns: 44px minmax(0, 1fr) 22px;
    gap: 12px;
    min-height: 150px;
    padding-right: 4px;
  }

  .record-state {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
  }

  .record-arrow {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .record-title {
    font-size: 21px;
  }

  .record-subtitle {
    -webkit-line-clamp: 3;
  }

  .method-section {
    min-height: 1380px;
  }

  .method-content {
    padding-block: 76px 84px;
  }

  .method-heading h2 {
    font-size: 49px;
  }

  .method-grid {
    margin-top: 58px;
  }

  .status-ladder li {
    grid-template-columns: 30px 1fr;
  }

  .status-ladder p {
    grid-column: 2;
  }

  .method-rules {
    padding: 24px;
  }

  .sources-grid {
    gap: 56px;
  }

  .provenance-list div {
    grid-template-columns: 0.8fr 1.2fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 46px 20px 24px;
  }

  .footer-links {
    justify-self: stretch;
    min-width: 0;
  }

  .copyright {
    margin-top: 22px;
  }

  .dialog-shell {
    padding: 28px 22px 38px;
  }

  .dialog-close {
    margin-top: -10px;
    margin-right: -10px;
  }

  .dialog-facts {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}