:root {
  color-scheme: light;
  --ink: #082467;
  --copy: #32465e;
  --muted: #506278;
  --paper: #fcfdfd;
  --line: #d1d9e0;
  --night: #07141e;
  --cyan: #63dcf5;
  --amber: #ffcf76;
  --green: #8be5bb;
  --signal-green: #72bc3c;
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 100%;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.0625rem;
  line-height: 1.65;
}
a {
  color: inherit;
  text-underline-offset: 0.25em;
}
a:hover {
  text-decoration-thickness: 2px;
}
a:focus-visible,
summary:focus-visible,
video:focus-visible {
  outline: 3px solid #2671ca;
  outline-offset: 6px;
  border-radius: 3px;
}
.wrap {
  width: min(1200px, calc(100% - 6rem));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -6rem;
  z-index: 5;
  padding: 0.75rem 1rem;
  background: white;
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  min-height: 98px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 650;
  letter-spacing: -0.025em;
}
.brand img {
  flex: 0 0 auto;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
}
nav a {
  text-decoration: none;
  padding: 0.55rem 0;
}
nav a:hover {
  text-decoration: underline;
}
.intro {
  padding-block: 4.75rem 3.4rem;
}
.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 4rem;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  overflow-wrap: anywhere;
}
h1 {
  margin-bottom: 0;
  font-size: clamp(2.65rem, 4.8vw, 4.2rem);
  line-height: 1.08;
  font-weight: 650;
  letter-spacing: -0.052em;
}
.intro-copy p {
  margin-bottom: 1rem;
  color: var(--copy);
}
.intro-copy p:first-child {
  color: var(--ink);
  font-weight: 600;
}
.intro-copy p:last-child {
  margin-bottom: 0;
}
.story-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.8rem;
  margin-top: 2.5rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
  color: var(--copy);
  font-size: 0.875rem;
}
.story-key span {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
}
.dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  border: 1px solid rgba(7, 20, 30, 0.28);
}
.event {
  background: var(--cyan);
}
.inquiry {
  background: var(--amber);
}
.detail {
  background: var(--green);
}
.chapter {
  padding-bottom: 4rem;
  scroll-margin-top: 2rem;
}
.chapter-heading {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  column-gap: 4rem;
  align-items: end;
  margin-bottom: 1.8rem;
}
.chapter-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 1rem;
}
.chapter-number {
  color: var(--ink);
  margin-right: 0.8rem;
  letter-spacing: 0;
}
h2 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 3vw, 2.75rem);
  line-height: 1.16;
  font-weight: 600;
  letter-spacing: -0.04em;
}
.chapter-intro {
  color: var(--copy);
  margin: 0;
}
.video-panel {
  margin: 0;
  overflow: hidden;
  background: var(--night);
  border: 1px solid var(--night);
  border-radius: 10px;
}
video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: var(--night);
}
figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1.5rem;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid #264454;
  color: #f3f8fc;
  font-size: 0.875rem;
}
figcaption span:last-child {
  color: #b1c9d5;
}
.text-sequence {
  margin-top: 0.85rem;
  color: var(--copy);
  font-size: 0.9375rem;
}
summary {
  width: fit-content;
  padding: 0.4rem 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}
.text-sequence ol {
  max-width: 900px;
  margin-block: 0.75rem 1.5rem;
  padding-left: 1.5rem;
}
.text-sequence li {
  margin-block: 0.5rem;
  padding-left: 0.3rem;
}
.exchange-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  margin: 2.1rem 0 0;
  padding: 0;
  list-style: none;
}
.exchange-steps li {
  border-top: 2px solid var(--line);
  padding-top: 1.15rem;
}
.step-index {
  display: block;
  margin-bottom: 0.7rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}
.event-text {
  color: #12687a;
}
.inquiry-text {
  color: #875408;
}
h3 {
  font-size: 1.1875rem;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  letter-spacing: -0.015em;
}
.exchange-steps p,
.partner-explanation p {
  margin-bottom: 0;
  color: var(--copy);
}
.correlation-band {
  background: var(--night);
  color: #f3f8fc;
  padding-block: 2.7rem;
}
.correlation-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 3rem;
}
.reference-token {
  min-width: 200px;
  padding: 1rem 1.7rem;
  border: 1px solid #bb924b;
  border-radius: 8px;
  text-align: center;
}
.reference-token span {
  display: block;
  color: #b1c9d5;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.reference-token strong {
  display: block;
  color: var(--amber);
  font-family: Consolas, "Courier New", monospace;
  font-size: 1.75rem;
}
.correlation-inner h2 {
  font-size: 1.625rem;
  letter-spacing: -0.025em;
}
.correlation-inner p {
  margin: 0.5rem 0 0;
  color: #b1c9d5;
  max-width: 780px;
}
.partners {
  padding-top: 4.5rem;
}
.partner-explanation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2.25rem;
}
.partner-explanation > div {
  border-top: 2px solid var(--line);
  padding-top: 1.3rem;
}
.timing-note {
  margin: 1.8rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}
.takeaway {
  border-block: 1px solid var(--line);
  background: #f0f4f9;
  padding-block: 3.5rem;
}
.takeaway-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
}
.takeaway h2 {
  font-size: clamp(1.85rem, 3vw, 2.65rem);
}
.takeaway p:not(.eyebrow) {
  color: var(--copy);
}
.takeaway .access-note {
  font-size: 0.9375rem;
  margin-bottom: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--signal-green);
}
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}
.site-footer > span {
  font-weight: 650;
  color: var(--ink);
}
@media (max-width: 900px) {
  .wrap {
    width: calc(100% - 3rem);
  }
  .intro-grid,
  .chapter-heading,
  .takeaway-grid {
    gap: 1.6rem;
  }
  .intro-grid {
    grid-template-columns: 1fr;
  }
  .intro-copy {
    max-width: 630px;
  }
  .intro-copy p:first-child br {
    display: none;
  }
  .intro-copy p:first-child br::after {
    content: " ";
  }
  .chapter-heading {
    grid-template-columns: 1fr;
  }
  .chapter-intro {
    max-width: 750px;
  }
  .exchange-steps {
    gap: 1.5rem;
  }
  .partner-explanation,
  .takeaway-grid {
    gap: 2rem;
  }
}
@media (max-width: 600px) {
  body {
    font-size: 1rem;
  }
  .wrap {
    width: calc(100% - 2rem);
  }
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding-block: 1rem;
    gap: 0.6rem;
  }
  nav {
    gap: 1.5rem;
    font-size: 0.875rem;
  }
  .brand {
    font-size: 1.2rem;
  }
  .brand img {
    width: 34px;
    height: 34px;
  }
  .intro {
    padding-block: 2.5rem 2.75rem;
  }
  h1 {
    font-size: clamp(2.3rem, 9.5vw, 3.5rem);
  }
  .story-key {
    margin-top: 1.75rem;
    gap: 0.65rem 1rem;
    font-size: 0.8125rem;
  }
  .chapter {
    padding-bottom: 2.75rem;
  }
  .chapter-heading {
    margin-bottom: 1.4rem;
  }
  .eyebrow {
    font-size: 0.75rem;
  }
  h2 {
    font-size: 1.9rem;
  }
  .video-panel {
    border-radius: 5px;
  }
  figcaption {
    padding: 0.7rem 0.85rem;
    font-size: 0.8125rem;
  }
  .exchange-steps,
  .partner-explanation,
  .takeaway-grid {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }
  .exchange-steps {
    margin-top: 1.6rem;
  }
  .correlation-band {
    padding-block: 2.2rem;
  }
  .correlation-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .reference-token {
    justify-self: start;
    min-width: 180px;
  }
  .correlation-inner h2 {
    font-size: 1.5rem;
  }
  .partners {
    padding-top: 3rem;
  }
  .partner-explanation {
    margin-top: 1.6rem;
  }
  .takeaway {
    padding-block: 2.5rem;
  }
}
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}
@media print {
  nav,
  .story-key,
  .site-footer a {
    display: none;
  }
  .wrap {
    width: 100%;
  }
  .intro,
  .chapter,
  .partners,
  .takeaway {
    padding-block: 1.2rem;
  }
  .video-panel {
    break-inside: avoid;
  }
  .text-sequence {
    display: block;
  }
}

/* Account acquisition: the approved animations remain unchanged. */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.75rem;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0.85rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.9375rem;
  line-height: 1.4;
  font-weight: 650;
  text-decoration: none;
}
.button-primary {
  background: var(--ink);
  color: #fff;
}
.button-primary:hover {
  background: #12397f;
  color: #fff;
  text-decoration: none;
}
.button-secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}
nav {
  align-items: center;
  gap: 1.25rem;
}
nav .button {
  padding: 0.6rem 0.9rem;
  font-size: 0.875rem;
}
.intro-grid {
  grid-template-columns: 1.4fr 1fr;
}
.outcome-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 2rem;
  margin: 2rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  color: var(--copy);
  font-size: 0.9375rem;
}
.outcome-strip li::before {
  content: "✓";
  margin-right: 0.5rem;
  color: #326a18;
  font-weight: 700;
}
.business-problem {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  padding-bottom: 3.5rem;
}
.business-problem h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.15rem);
}
.business-problem p:not(.eyebrow) {
  color: var(--copy);
  margin-bottom: 0.75rem;
}
.business-example {
  padding-top: 3.5rem;
  padding-bottom: 1rem;
}
.business-example h2 {
  max-width: 850px;
}
.example-note {
  color: var(--muted);
  font-size: 0.9375rem;
  margin: 1.5rem 0 0;
}
.buyer-questions {
  padding-bottom: 3.5rem;
}
.buyer-questions h2 {
  margin-bottom: 1.5rem;
}
.buyer-questions details {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0;
}
.buyer-questions details:last-child {
  border-bottom: 1px solid var(--line);
}
.buyer-questions summary {
  font-size: 1.0625rem;
}
.buyer-questions details p {
  color: var(--copy);
  max-width: 850px;
  margin: 0.8rem 0 0.5rem;
}
.closing-copy {
  margin: 1.1rem 0 0;
}
.closing-actions .button {
  margin-bottom: 1.25rem;
}
.closing-actions p {
  margin-bottom: 0.8rem;
}
.existing-account {
  font-size: 0.9375rem;
}
@media (max-width: 1050px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1.2rem;
    gap: 1rem;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .hero-actions {
    margin-top: 1.5rem;
  }
  .business-problem {
    gap: 2rem;
  }
}
@media (max-width: 600px) {
  nav {
    gap: 0.65rem 1rem;
  }
  nav .button {
    min-height: 44px;
  }
  .intro {
    padding-top: 2.25rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .business-problem {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-bottom: 2.5rem;
  }
  .business-example {
    padding-top: 2.75rem;
  }
  .buyer-questions {
    padding-bottom: 2.5rem;
  }
  .closing-actions .button {
    width: 100%;
  }
  .outcome-strip {
    gap: 0.65rem;
    flex-direction: column;
  }
}

html,
body {
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
}
