@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/SourceSerif4-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/SourceSerif4-It.ttf") format("truetype");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/SourceSerif4-Semibold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("assets/fonts/SourceSans3-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("assets/fonts/SourceSans3-Semibold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  --paper: #f3eee4;
  --paper-deep: #e9e1d3;
  --paper-light: #faf7f0;
  --ink: #17272a;
  --ink-soft: #405256;
  --line: rgba(23, 39, 42, 0.17);
  --blue: #1f526a;
  --blue-deep: #163947;
  --bronze: #ae7d43;
  --terracotta: #b75f43;
  --lichen: #7c8a78;
  --nile: #277a79;
  --gold: #c4974b;
  --white: #fffdf8;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Source Sans 3", Arial, sans-serif;
  --shadow-soft: 0 28px 90px rgba(26, 35, 35, 0.13);
  --shadow-card: 0 18px 55px rgba(26, 35, 35, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 86% 2%, rgba(174, 125, 67, 0.09), transparent 24rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: 0.16;
  background-image: repeating-radial-gradient(circle at 0 0, transparent 0, transparent 3px, rgba(23, 39, 42, 0.045) 4px);
  background-size: 9px 9px;
}

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

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

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

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

.skip-link {
  position: fixed;
  left: 24px;
  top: -80px;
  z-index: 100;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 600;
  transition: top 180ms ease;
}

.skip-link:focus {
  top: 18px;
}

.section-shell {
  width: min(100% - 64px, 1240px);
  margin-inline: auto;
}

.announcement {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 20px;
  background: var(--ink);
  color: rgba(255, 253, 248, 0.8);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
}

.announcement-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9cb895;
  box-shadow: 0 0 0 4px rgba(156, 184, 149, 0.12);
}

.announcement-separator {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.25);
}

.site-header {
  position: relative;
  z-index: 10;
  width: min(100% - 64px, 1380px);
  min-height: 86px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.archive-mark {
  width: 31px;
  height: 31px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  padding: 4px;
  border: 1px solid currentColor;
}

.archive-mark span {
  display: block;
  background: currentColor;
}

.archive-mark span:nth-child(1) {
  opacity: 1;
}

.archive-mark span:nth-child(2) {
  opacity: 0.68;
}

.archive-mark span:nth-child(3) {
  opacity: 0.36;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 14px;
}

.desktop-nav a {
  position: relative;
  padding-block: 10px;
}

.desktop-nav a::after {
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 4px;
  height: 1px;
  content: "";
  background: var(--ink);
  transition: right 180ms ease;
}

.desktop-nav a:hover::after {
  right: 0;
}

.site-header > .button {
  justify-self: end;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

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

.button-small {
  min-height: 39px;
  padding-inline: 17px;
  font-size: 12px;
}

.button-ink {
  background: var(--ink);
  color: var(--white);
}

.button-ink:hover {
  background: var(--blue-deep);
}

.button-primary {
  background: var(--bronze);
  color: #161d1e;
  box-shadow: 0 12px 30px rgba(124, 82, 38, 0.16);
}

.button-primary:hover {
  background: #c2945f;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-block: 8px;
  border-bottom: 1px solid rgba(23, 39, 42, 0.4);
  font-size: 14px;
  font-weight: 600;
  transition: gap 180ms ease, border-color 180ms ease;
}

.text-link:hover {
  gap: 15px;
  border-color: currentColor;
}

.eyebrow {
  margin-bottom: 22px;
  color: var(--bronze);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow-light {
  color: #d4ad7d;
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(470px, 0.98fr);
  align-items: center;
  gap: 46px;
  padding-block: 78px 92px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero h1 {
  margin-bottom: 26px;
  font-family: var(--serif);
  font-size: clamp(56px, 5.2vw, 83px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero h1 em {
  color: var(--blue);
  font-weight: 400;
}

.hero-lede {
  max-width: 625px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 27px;
}

.hero-facts {
  max-width: 610px;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 1.4fr;
  border-top: 1px solid var(--line);
}

.hero-facts > div {
  padding: 19px 22px 0 0;
}

.hero-facts > div + div {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.hero-facts dt {
  margin-bottom: 3px;
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1;
}

.hero-facts dd {
  color: var(--ink-soft);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  min-height: 610px;
  isolation: isolate;
}

.hero-visual::before {
  position: absolute;
  inset: 50px 0 80px 16%;
  z-index: -3;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(174, 125, 67, 0.17), rgba(174, 125, 67, 0) 69%);
  filter: blur(4px);
}

.orbit {
  position: absolute;
  z-index: -2;
  border: 1px solid rgba(23, 39, 42, 0.14);
  border-radius: 50%;
}

.orbit-one {
  width: 520px;
  height: 520px;
  top: 35px;
  left: 24px;
}

.orbit-two {
  width: 405px;
  height: 405px;
  top: 88px;
  left: 83px;
}

.orbit-one::after,
.orbit-two::after {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--bronze);
}

.orbit-one::after {
  right: 54px;
  top: 92px;
}

.orbit-two::after {
  bottom: 37px;
  left: 62px;
}

.book-stack {
  position: relative;
  width: 590px;
  max-width: 100%;
  height: 545px;
  margin: 0 auto;
}

.book {
  position: absolute;
  width: 270px;
  height: 438px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px 26px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px 8px 8px 3px;
  color: #fffdf5;
  box-shadow: -13px 25px 48px rgba(20, 29, 30, 0.25), inset 8px 0 0 rgba(0, 0, 0, 0.08);
  transform-origin: 50% 100%;
  transition: transform 320ms ease, box-shadow 320ms ease;
}

.book::before,
.book::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
}

.book::before {
  opacity: 0.37;
  background-position: center;
  background-size: cover;
  mix-blend-mode: luminosity;
}

.book::after {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.04) 18%, rgba(0, 0, 0, 0.83) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.2), transparent 11%);
}

.book:hover {
  box-shadow: -13px 31px 62px rgba(20, 29, 30, 0.3), inset 8px 0 0 rgba(0, 0, 0, 0.08);
}

.book-greek {
  z-index: 1;
  left: 10px;
  top: 88px;
  background: #245772;
  transform: rotate(-8deg);
}

.book-greek:hover {
  transform: rotate(-8deg) translateY(-9px);
}

.book-greek::before {
  background-image: url("assets/maps/greek.png");
}

.book-norse {
  z-index: 3;
  left: 157px;
  top: 34px;
  background: #293c47;
  transform: rotate(0.7deg);
}

.book-norse:hover {
  transform: rotate(0.7deg) translateY(-9px);
}

.book-norse::before {
  background-image: url("assets/maps/norse.png");
}

.book-egyptian {
  z-index: 2;
  right: 6px;
  top: 92px;
  background: #1f696a;
  transform: rotate(8deg);
}

.book-egyptian:hover {
  transform: rotate(8deg) translateY(-9px);
}

.book-egyptian::before {
  background-image: url("assets/maps/egyptian.png");
}

.book-volume,
.book-caption {
  position: relative;
  z-index: 2;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.book-volume {
  position: absolute;
  left: 26px;
  top: 27px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
}

.book-glyph {
  position: absolute;
  right: 22px;
  top: 21px;
  z-index: 2;
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1;
  opacity: 0.76;
}

.book h2 {
  position: relative;
  z-index: 2;
  margin: 0 0 17px;
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.97;
}

.book-caption {
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.4);
  color: rgba(255, 255, 255, 0.75);
}

.hero-visual-note {
  position: absolute;
  right: 4px;
  bottom: 5px;
  max-width: 280px;
  margin: 0;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.45;
}

.hero-visual-note span {
  padding-top: 3px;
  color: var(--bronze);
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.premise {
  position: relative;
  overflow: hidden;
  padding-block: 116px;
  background: var(--ink);
  color: var(--white);
}

.premise::before {
  position: absolute;
  width: 560px;
  height: 560px;
  right: -180px;
  top: -230px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255, 255, 255, 0.022), 0 0 0 160px rgba(255, 255, 255, 0.014);
}

.premise-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 110px;
}

.premise h2 {
  max-width: 560px;
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(45px, 4.1vw, 65px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.premise-lede {
  margin-bottom: 36px;
  color: rgba(255, 253, 248, 0.72);
  font-size: 19px;
  line-height: 1.7;
}

.premise-problems {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.premise-problems > div {
  min-height: 62px;
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.premise-problems span {
  color: #d4ad7d;
  font-family: var(--serif);
  font-size: 28px;
}

.premise-problems p {
  margin: 0;
  color: rgba(255, 253, 248, 0.72);
  font-size: 14px;
}

.premise-answer {
  margin: 35px 0 0;
  color: #e1bd8f;
  font-family: var(--serif);
  font-size: 25px;
  font-style: italic;
}

.collection {
  padding-block: 126px 136px;
}

.section-heading {
  margin-bottom: 56px;
}

.section-heading h2,
.method-heading h2,
.editions-copy h2,
.transparency-copy h2,
.faq-intro h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(43px, 4vw, 62px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 90px;
}

.split-heading > p {
  margin: 0 0 4px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.volume-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.volume-card {
  --accent: var(--blue);
  overflow: hidden;
  background: var(--paper-light);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.volume-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-soft);
}

.volume-grega {
  --accent: #225a76;
}

.volume-nordica {
  --accent: #344a57;
}

.volume-egipcia {
  --accent: #287775;
}

.volume-map {
  position: relative;
  height: 255px;
  overflow: hidden;
  background-color: var(--accent);
  background-position: center;
  background-size: cover;
  background-blend-mode: luminosity;
  filter: saturate(0.72);
}

.volume-map::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 88%, transparent), rgba(12, 28, 32, 0.18));
  mix-blend-mode: multiply;
}

.volume-grega .volume-map {
  background-image: url("assets/maps/greek.png");
}

.volume-nordica .volume-map {
  background-image: url("assets/maps/norse.png");
}

.volume-egipcia .volume-map {
  background-image: url("assets/maps/egyptian.png");
}

.volume-number {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: -11px;
  color: rgba(255, 255, 255, 0.77);
  font-family: var(--serif);
  font-size: 92px;
  line-height: 1;
}

.map-crosshair {
  position: absolute;
  z-index: 2;
  width: 13px;
  height: 13px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
}

.map-crosshair::before,
.map-crosshair::after {
  position: absolute;
  content: "";
  background: rgba(255, 255, 255, 0.55);
}

.map-crosshair::before {
  width: 25px;
  height: 1px;
  left: -7px;
  top: 5px;
}

.map-crosshair::after {
  width: 1px;
  height: 25px;
  left: 5px;
  top: -7px;
}

.map-crosshair-a {
  left: 28%;
  top: 39%;
}

.map-crosshair-b {
  left: 62%;
  top: 67%;
  opacity: 0.6;
}

.volume-body {
  padding: 30px 29px 28px;
}

.volume-kicker,
.volume-original {
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.volume-kicker {
  margin-bottom: 14px;
}

.volume-body h3 {
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.volume-original {
  min-height: 31px;
  margin-bottom: 22px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  line-height: 1.45;
}

.volume-description {
  min-height: 110px;
  margin-bottom: 24px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.65;
}

.volume-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.volume-body li {
  position: relative;
  padding: 10px 0 10px 17px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.volume-body li::before {
  position: absolute;
  left: 1px;
  top: 18px;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--accent);
}

.volume-status {
  margin-top: 21px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.volume-status span {
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 2px var(--paper-light);
  background: var(--accent);
}

.method {
  overflow: hidden;
  padding-block: 132px;
  background:
    linear-gradient(180deg, rgba(22, 57, 71, 0.03), transparent 35%),
    var(--paper-deep);
  border-block: 1px solid var(--line);
}

.method-top {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  align-items: center;
  gap: 110px;
}

.method-heading > p:last-child {
  max-width: 580px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.72;
}

.ledger-card {
  position: relative;
  width: min(100%, 500px);
  padding: 24px;
  background: #faf8f2;
  border: 1px solid rgba(23, 39, 42, 0.22);
  box-shadow: 18px 24px 0 rgba(22, 57, 71, 0.06), var(--shadow-card);
  transform: rotate(1.2deg);
}

.ledger-card::before {
  position: absolute;
  inset: 8px;
  content: "";
  pointer-events: none;
  border: 1px solid rgba(23, 39, 42, 0.07);
}

.ledger-head,
.ledger-title,
.ledger-row {
  position: relative;
  z-index: 1;
}

.ledger-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 17px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ledger-live {
  display: flex;
  align-items: center;
  gap: 7px;
}

.ledger-live i {
  width: 6px;
  height: 6px;
  display: inline-block;
  border-radius: 50%;
  background: #547d5f;
}

.ledger-title {
  padding-block: 23px 20px;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--line);
}

.ledger-id {
  margin-bottom: 5px;
  color: var(--bronze);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.15em;
}

.ledger-title strong {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
}

.ledger-row {
  min-height: 51px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 24px;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.ledger-row span {
  color: var(--ink-soft);
}

.ledger-row strong {
  font-weight: 600;
}

.ledger-row i {
  width: 21px;
  height: 21px;
  display: inline-grid;
  place-items: center;
  justify-self: end;
  border-radius: 50%;
  font-style: normal;
  font-size: 11px;
}

.status-check {
  background: #dbe6d9;
  color: #3f664c;
}

.status-wait {
  background: #eee5d1;
  color: #876634;
}

.ledger-foot {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-align: right;
  text-transform: uppercase;
}

.principle-grid {
  margin: 94px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  border-top: 1px solid var(--line);
}

.principle-grid li {
  padding: 30px 25px 0;
  border-left: 1px solid var(--line);
}

.principle-grid li:first-child {
  padding-left: 0;
  border-left: 0;
}

.principle-grid li > span {
  color: var(--bronze);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.principle-grid h3 {
  margin: 45px 0 13px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.025em;
}

.principle-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.inside {
  padding-block: 132px 140px;
}

.centered-heading {
  max-width: 840px;
  margin-inline: auto;
  margin-bottom: 65px;
  text-align: center;
}

.centered-heading > p:last-child {
  max-width: 670px;
  margin: 25px auto 0;
  color: var(--ink-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-grid article {
  min-height: 252px;
  position: relative;
  padding: 43px 48px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(250, 247, 240, 0.38);
  transition: background 200ms ease;
}

.feature-grid article:hover {
  background: rgba(250, 247, 240, 0.78);
}

.feature-code {
  position: absolute;
  right: 26px;
  top: 18px;
  color: rgba(23, 39, 42, 0.16);
  font-family: var(--serif);
  font-size: 54px;
}

.feature-grid h3 {
  max-width: 390px;
  margin: 50px 0 13px;
  font-family: var(--serif);
  font-size: 29px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.feature-grid p {
  max-width: 500px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.editions {
  position: relative;
  overflow: hidden;
  padding-block: 130px;
  background: #173b49;
  color: var(--white);
}

.editions::before {
  position: absolute;
  width: 650px;
  height: 650px;
  left: -250px;
  bottom: -380px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 85px rgba(255, 255, 255, 0.018), 0 0 0 170px rgba(255, 255, 255, 0.011);
}

.editions-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 110px;
}

.language-display {
  position: relative;
  min-height: 510px;
}

.language-card {
  position: absolute;
  width: min(100%, 405px);
  min-height: 190px;
  padding: 31px 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 55px rgba(4, 16, 22, 0.25);
  transition: transform 250ms ease;
}

.language-card span {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.language-card strong {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.language-en {
  z-index: 3;
  left: 0;
  top: 18px;
  background: #f0e8d9;
  color: var(--ink);
  transform: rotate(-3deg);
}

.language-es {
  z-index: 2;
  left: 45px;
  top: 155px;
  background: #ae684a;
  color: #fff8ef;
  transform: rotate(2deg);
}

.language-pt {
  z-index: 1;
  left: 8px;
  top: 300px;
  background: #2b7772;
  color: #f7f2e7;
  transform: rotate(-1deg);
}

.language-en:hover {
  transform: rotate(-3deg) translateY(-7px);
}

.language-es:hover {
  transform: rotate(2deg) translateY(-7px);
}

.language-pt:hover {
  transform: rotate(-1deg) translateY(-7px);
}

.editions-copy h2 {
  color: var(--white);
}

.editions-copy > p:not(.eyebrow) {
  max-width: 620px;
  margin: 29px 0 38px;
  color: rgba(255, 253, 248, 0.7);
  font-size: 18px;
  line-height: 1.7;
}

.edition-points {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.edition-points li {
  min-height: 59px;
  display: grid;
  grid-template-columns: 45px 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 253, 248, 0.82);
  font-size: 14px;
}

.edition-points span {
  color: #d4ad7d;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.transparency {
  padding-block: 128px;
}

.transparency-card {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 90px;
  padding: 76px 80px;
  background: #f9f6ee;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.transparency-index {
  position: absolute;
  left: -28px;
  bottom: -104px;
  color: rgba(23, 39, 42, 0.038);
  font-family: var(--serif);
  font-size: 390px;
  line-height: 1;
}

.transparency-copy,
.progress-list {
  position: relative;
  z-index: 1;
}

.transparency-copy > p:not(.eyebrow) {
  max-width: 670px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.72;
}

.transparency-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.progress-list {
  border-top: 1px solid var(--line);
}

.progress-item {
  min-height: 73px;
  display: grid;
  grid-template-columns: 36px 1fr;
  grid-template-rows: auto auto;
  align-content: center;
  column-gap: 12px;
  border-bottom: 1px solid var(--line);
}

.progress-item > span {
  grid-row: 1 / 3;
  align-self: center;
  color: var(--ink-soft);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.progress-item strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
}

.progress-item small {
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.progress-item.is-active > span,
.progress-item.is-active small {
  color: #52705a;
}

.progress-item.is-active strong::after {
  width: 7px;
  height: 7px;
  margin-left: 10px;
  display: inline-block;
  content: "";
  border-radius: 50%;
  background: #6f9277;
  box-shadow: 0 0 0 4px rgba(111, 146, 119, 0.12);
}

.faq {
  padding-block: 20px 140px;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 110px;
}

.faq-intro {
  position: sticky;
  top: 36px;
  align-self: start;
}

.faq-intro > p:last-child {
  max-width: 390px;
  margin: 25px 0 0;
  color: var(--ink-soft);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 90px;
  display: grid;
  grid-template-columns: 42px 1fr 30px;
  align-items: center;
  gap: 11px;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: -0.015em;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary > span {
  color: var(--bronze);
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.11em;
}

.faq-list summary i {
  justify-self: end;
  font-family: var(--sans);
  font-size: 23px;
  font-style: normal;
  font-weight: 400;
  transition: transform 180ms ease;
}

.faq-list details[open] summary i {
  transform: rotate(45deg);
}

.faq-list details > p {
  margin: -7px 45px 28px 53px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.72;
}

.site-footer {
  padding-block: 50px;
  background: var(--ink);
  color: var(--white);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

.footer-brand {
  align-items: flex-start;
}

.footer-brand strong {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 400;
}

.footer-brand p {
  margin: 4px 0 0;
  color: rgba(255, 253, 248, 0.56);
  font-size: 12px;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 253, 248, 0.55);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-meta a {
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

  .hero-copy {
    max-width: 790px;
  }

  .hero h1 {
    max-width: 820px;
  }

  .hero-visual {
    width: min(100%, 690px);
    margin-inline: auto;
  }

  .premise-grid,
  .method-top,
  .editions-grid,
  .faq {
    gap: 62px;
  }

  .volume-body {
    padding-inline: 23px;
  }

  .volume-description {
    min-height: 135px;
  }

  .transparency-card {
    padding-inline: 54px;
    gap: 55px;
  }
}

@media (max-width: 900px) {
  .section-shell,
  .site-header {
    width: min(100% - 40px, 1240px);
  }

  .premise-grid,
  .method-top,
  .editions-grid,
  .faq,
  .transparency-card {
    grid-template-columns: 1fr;
  }

  .premise-grid {
    gap: 52px;
  }

  .premise h2 {
    max-width: 720px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .split-heading > p {
    max-width: 650px;
  }

  .volume-grid {
    grid-template-columns: 1fr;
  }

  .volume-card {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
  }

  .volume-map {
    height: auto;
    min-height: 440px;
  }

  .volume-description {
    min-height: 0;
  }

  .ledger-card {
    justify-self: center;
  }

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

  .principle-grid li {
    min-height: 255px;
    border-bottom: 1px solid var(--line);
  }

  .principle-grid li:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .language-display {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  .editions-copy {
    max-width: 700px;
  }

  .transparency-card {
    gap: 45px;
  }

  .faq-intro {
    position: static;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 650px) {
  body {
    font-size: 16px;
  }

  .section-shell,
  .site-header {
    width: min(100% - 32px, 1240px);
  }

  .announcement {
    min-height: 39px;
    gap: 7px;
    padding-inline: 12px;
    font-size: 8px;
  }

  .announcement-separator {
    display: none;
  }

  .site-header {
    min-height: 76px;
  }

  .brand-copy small {
    display: none;
  }

  .site-header > .button {
    min-width: 42px;
    width: 42px;
    padding: 0;
    font-size: 0;
  }

  .site-header > .button span {
    font-size: 15px;
  }

  .hero {
    min-height: auto;
    padding-block: 62px 75px;
    gap: 50px;
  }

  .eyebrow {
    margin-bottom: 17px;
    font-size: 9px;
  }

  .hero h1 {
    margin-bottom: 22px;
    font-size: clamp(46px, 14.5vw, 64px);
    line-height: 0.98;
  }

  .hero-lede {
    font-size: 17px;
    line-height: 1.58;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .hero-actions .text-link {
    align-self: flex-start;
  }

  .hero-facts {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 38px;
  }

  .hero-facts > div,
  .hero-facts > div + div {
    padding: 15px 7px 0 10px;
  }

  .hero-facts > div:first-child {
    padding-left: 0;
  }

  .hero-facts dt {
    font-size: 20px;
  }

  .hero-facts dd {
    font-size: 8px;
  }

  .hero-visual {
    min-height: 465px;
  }

  .book-stack {
    width: 360px;
    height: 430px;
  }

  .book {
    width: 176px;
    height: 330px;
    padding: 21px 16px;
  }

  .book-greek {
    left: 5px;
    top: 63px;
  }

  .book-norse {
    left: 91px;
    top: 24px;
  }

  .book-egyptian {
    right: 3px;
    top: 65px;
  }

  .book h2 {
    margin-bottom: 11px;
    font-size: 25px;
  }

  .book-volume {
    left: 16px;
    top: 17px;
    font-size: 7px;
  }

  .book-glyph {
    right: 13px;
    top: 15px;
    font-size: 27px;
  }

  .book-caption {
    padding-top: 10px;
    font-size: 6px;
  }

  .orbit-one {
    width: 365px;
    height: 365px;
    left: -2px;
    top: 14px;
  }

  .orbit-two {
    width: 290px;
    height: 290px;
    left: 35px;
    top: 52px;
  }

  .hero-visual-note {
    max-width: 240px;
    right: 8px;
    font-size: 12px;
  }

  .premise,
  .method,
  .editions {
    padding-block: 88px;
  }

  .collection,
  .inside,
  .transparency {
    padding-block: 91px;
  }

  .premise h2,
  .section-heading h2,
  .method-heading h2,
  .editions-copy h2,
  .transparency-copy h2,
  .faq-intro h2 {
    font-size: 42px;
  }

  .premise-lede,
  .method-heading > p:last-child,
  .editions-copy > p:not(.eyebrow) {
    font-size: 16px;
  }

  .volume-card {
    display: block;
  }

  .volume-map {
    height: 225px;
    min-height: 0;
  }

  .volume-body {
    padding: 27px 24px;
  }

  .ledger-card {
    padding: 20px;
    transform: none;
  }

  .ledger-row {
    grid-template-columns: 0.75fr 1.25fr 24px;
    gap: 6px;
    font-size: 11px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
    margin-top: 65px;
  }

  .principle-grid li,
  .principle-grid li:nth-child(3) {
    min-height: auto;
    padding: 27px 0 31px;
    border-left: 0;
  }

  .principle-grid h3 {
    margin-top: 25px;
  }

  .centered-heading {
    text-align: left;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid article {
    min-height: 230px;
    padding: 33px 28px;
  }

  .feature-grid h3 {
    margin-top: 42px;
  }

  .language-display {
    min-height: 440px;
  }

  .language-card {
    width: calc(100% - 26px);
    min-height: 162px;
    padding: 24px;
  }

  .language-card strong {
    font-size: 22px;
  }

  .language-en {
    left: 0;
    top: 0;
  }

  .language-es {
    left: 22px;
    top: 124px;
  }

  .language-pt {
    left: 4px;
    top: 254px;
  }

  .transparency-card {
    min-height: 0;
    padding: 48px 27px;
  }

  .transparency-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .transparency-actions .text-link {
    align-self: flex-start;
  }

  .faq {
    padding-block: 10px 95px;
  }

  .faq-list summary {
    min-height: 82px;
    grid-template-columns: 29px 1fr 22px;
    font-size: 18px;
  }

  .faq-list details > p {
    margin: -3px 20px 26px 40px;
  }

  .footer-meta {
    flex-wrap: wrap;
    gap: 12px 18px;
  }
}

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

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