:root {
  --paper: #ffffff;
  --ink: #1d1d1f;
  --body: #424245;
  --muted: #6e6e73;
  --gray: #86868b;
  --line: #d2d2d7;
  --soft: #f5f5f7;
  --accent: #1d1d1f;
  --container: 1240px;
  --gutter: clamp(1.25rem, 5vw, 6rem);
  --section-space: clamp(5.5rem, 10vw, 9.5rem);
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 34px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body,
a,
button {
  cursor: default;
}

a,
button {
  cursor: pointer;
}

a {
  color: inherit;
}

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

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
  font-size: 16px;
}

a,
button,
input,
select,
textarea {
  touch-action: manipulation;
}

iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  transform: translateY(-150%);
}

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

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid rgba(210, 210, 215, 0.85);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 30px rgba(29, 29, 31, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 0.8rem;
  min-width: 44px;
  min-height: 44px;
  text-decoration: none;
}

.brand img {
  width: 30px;
  height: 28px;
}

.amplify-brand {
  width: 110px;
}

.amplify-brand .amplify-wordmark {
  display: block;
  width: 110px;
  height: auto;
  color: var(--ink);
}

.brand span {
  font-size: 0.69rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 2.5vw, 2.8rem);
}

.site-nav a,
.text-link {
  position: relative;
  padding: 0.35rem 0;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after,
.text-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 300ms var(--ease);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0.9rem 1.55rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 220ms var(--ease), background 220ms var(--ease), transform 220ms var(--ease);
}

.button:hover {
  background: transparent;
  color: var(--ink);
  transform: translateY(-2px);
}

.button-small {
  justify-self: end;
  min-height: 42px;
  padding: 0.7rem 1.1rem;
  font-size: 0.61rem;
}

.hero,
.research,
.transformation,
.method,
.curriculum,
.included,
.implementation,
.fit,
.enroll,
.faq {
  max-width: calc(var(--container) + (var(--gutter) * 2));
  margin: 0 auto;
  padding-right: var(--gutter);
  padding-left: var(--gutter);
}

.hero {
  display: block;
  min-height: auto;
  padding-top: clamp(5rem, 10vw, 10rem);
  padding-bottom: clamp(5rem, 9vw, 9rem);
}

.hero-copy {
  max-width: 1080px;
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  line-height: 1.35;
  text-transform: uppercase;
}

.signal-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 1px;
}

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

h1,
h2 {
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.91;
  text-transform: uppercase;
}

h1 {
  max-width: 1050px;
  margin-bottom: 1.8rem;
  font-size: clamp(4.5rem, 8vw, 9rem);
}

h2 {
  max-width: 1050px;
  margin-bottom: 0;
  font-size: clamp(3.2rem, 6.2vw, 6.9rem);
}

h3 {
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
}

.hero-lede {
  max-width: 760px;
  margin-bottom: 1rem;
  color: var(--body);
  font-size: clamp(1.06rem, 1.5vw, 1.3rem);
  line-height: 1.5;
}

.beginner-note {
  display: inline-flex;
  margin: 0 0 2.1rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 3.1rem;
}

.event-ledger {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.event-ledger div {
  padding: 1.15rem 1rem 1.15rem 0;
}

.event-ledger div + div {
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.event-ledger dt,
.event-ledger dd {
  margin: 0;
}

.event-ledger dt {
  margin-bottom: 0.3rem;
  color: var(--gray);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.event-ledger dd {
  font-size: 0.92rem;
  font-weight: 500;
}

.hero-system {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 2.2vw, 2rem);
  border-radius: var(--radius-lg);
  background: var(--ink);
  box-shadow: 0 30px 80px rgba(29, 29, 31, 0.12);
  color: var(--paper);
}

.hero-system::before {
  position: absolute;
  top: -20%;
  right: -16%;
  width: 68%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 52px rgba(255, 255, 255, 0.035), 0 0 0 104px rgba(255, 255, 255, 0.02);
  content: "";
  pointer-events: none;
}

.system-wordmark {
  position: relative;
  z-index: 1;
  width: clamp(128px, 34%, 180px);
  height: auto;
  margin: 0 0 1.15rem;
  color: var(--paper);
  opacity: 0.86;
}

.system-topline,
.source-meta,
.system-total,
.panel-label,
.offer-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.system-topline {
  position: relative;
  z-index: 1;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.verified {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  color: rgba(255, 255, 255, 0.68);
}

.verified span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d2d2d7;
}

.signal-console {
  position: relative;
  z-index: 1;
  margin-top: 1.35rem;
  padding: clamp(1.1rem, 2vw, 1.5rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    rgba(255, 255, 255, 0.035);
  background-size: 24px 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.signal-core {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 190px;
  overflow: hidden;
  border-radius: 16px;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2), transparent 50%);
}

.core-rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.core-rings i {
  position: absolute;
  width: 52px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  animation: signal-pulse 4.8s var(--ease) infinite;
}

.core-rings i:nth-child(2) { animation-delay: -1.2s; }
.core-rings i:nth-child(3) { animation-delay: -2.4s; }
.core-rings i:nth-child(4) { animation-delay: -3.6s; }

.core-label {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 118px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  background: rgba(29, 29, 31, 0.82);
  box-shadow: 0 0 48px rgba(255, 255, 255, 0.14);
  text-align: center;
}

.core-label span,
.core-label strong {
  display: block;
}

.core-label span {
  align-self: end;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.core-label strong {
  align-self: start;
  color: #d2d2d7;
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(29, 29, 31, 0.58);
}

.signal-metrics article {
  min-width: 0;
  padding: 0.85rem;
}

.signal-metrics article + article {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-metrics span,
.signal-metrics small {
  display: block;
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.49rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-metrics strong {
  display: block;
  margin: 0.3rem 0 0.2rem;
  color: var(--paper);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.source-insight {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: start;
  margin-top: 0.8rem;
  padding: 0.95rem 1rem;
  border-left: 2px solid #d2d2d7;
  border-radius: 0 12px 12px 0;
  background: rgba(255, 255, 255, 0.08);
}

.source-insight span,
.source-insight b {
  color: #d2d2d7;
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.source-insight p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.76rem;
  line-height: 1.5;
}

@keyframes signal-pulse {
  0% {
    opacity: 0;
    transform: scale(0.7);
  }
  24% { opacity: 0.7; }
  100% {
    opacity: 0;
    transform: scale(3.3);
  }
}

.system-route {
  display: flex;
  justify-content: center;
  height: 42px;
}

.system-route span {
  width: 1px;
  background: rgba(255, 255, 255, 0.28);
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.output-grid article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.75rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
}

.output-grid article.active {
  background: var(--paper);
  color: var(--ink);
}

.output-grid span {
  grid-row: 1 / 3;
  color: var(--gray);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
}

.output-grid strong {
  font-size: 0.82rem;
  font-weight: 500;
}

.output-grid small {
  color: var(--gray);
  font-size: 0.65rem;
}

.system-total {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.system-total strong {
  color: #d2d2d7;
  font-weight: 600;
}

.research,
.transformation,
.method,
.curriculum,
.included,
.implementation,
.fit,
.enroll,
.faq {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.section-heading {
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.section-heading h2 {
  max-width: 1080px;
}

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

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.research-grid article {
  min-height: 310px;
  padding: clamp(1.5rem, 3vw, 2.3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.research-grid article.research-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.stat {
  display: block;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  font-size: clamp(3.3rem, 6vw, 6.3rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.research-grid p {
  max-width: 310px;
  margin: 0;
  color: var(--body);
  font-size: 0.95rem;
}

.research-active p {
  color: rgba(255, 255, 255, 0.72);
}

.source-note {
  max-width: 1000px;
  margin: 1.2rem 0 0;
  color: var(--gray);
  font-size: 0.72rem;
}

.source-note a {
  text-underline-offset: 3px;
}

.dark-section {
  background: var(--ink);
  color: var(--paper);
}

.dark-section .eyebrow {
  color: rgba(255, 255, 255, 0.52);
}

.manifesto,
.hub,
.final-cta {
  padding: var(--section-space) var(--gutter);
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
}

.manifesto > div,
.hub > div,
.hub > p,
.final-cta > * {
  width: 100%;
  max-width: var(--container);
  margin-right: auto;
  margin-left: auto;
}

.manifesto h2 {
  font-size: clamp(3.8rem, 6vw, 7rem);
}

.manifesto-copy {
  max-width: 500px;
}

.manifesto-copy p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 1rem;
}

.manifesto-copy .manifesto-line {
  margin: 3rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--paper);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1.25;
}

.transformation-board {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) 100px minmax(0, 1.05fr);
  align-items: stretch;
}

.transcript-panel {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--soft);
}

.panel-label {
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
  color: var(--gray);
}

.transcript-panel > p {
  margin: clamp(4rem, 8vw, 8rem) 0 2rem;
  font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.18;
}

.extract-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.extract-list span {
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.distill-rail {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.distill-rail::before {
  position: absolute;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line);
  content: "";
}

.distill-rail span {
  position: relative;
  z-index: 1;
  padding: 0.45rem;
  background: var(--paper);
  color: var(--gray);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.channel-stack {
  display: grid;
  gap: 0.65rem;
}

.channel-stack article {
  display: grid;
  grid-template-columns: minmax(120px, 0.32fr) minmax(180px, 0.68fr);
  gap: 0.2rem 1.5rem;
  align-content: center;
  min-height: 105px;
  padding: 1rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.channel-stack article.channel-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.channel-stack span {
  grid-row: 1 / 3;
  color: var(--gray);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.channel-stack strong {
  font-size: 0.95rem;
  font-weight: 500;
}

.channel-stack small {
  color: var(--gray);
  font-size: 0.7rem;
}

.split-heading {
  display: grid;
  grid-template-columns: 0.28fr 0.72fr;
  gap: 2rem;
  align-items: start;
}

.method {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(580px, 1.05fr);
  gap: clamp(4rem, 9vw, 10rem);
  align-items: start;
  max-width: none;
  padding: var(--section-space) var(--gutter);
}

.method-intro,
.method-grid {
  width: 100%;
  max-width: calc(var(--container) / 2 + 2rem);
}

.method-intro {
  justify-self: end;
}

.method-intro h2 {
  max-width: 720px;
  font-size: clamp(4.2rem, 7vw, 8.5rem);
}

.method-intro > p:last-child {
  max-width: 520px;
  margin: 2rem 0 0;
  color: rgba(255, 255, 255, 0.58);
}

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

.method-grid article {
  display: grid;
  grid-template-columns: 46px minmax(150px, 0.42fr) 1fr;
  gap: 1.3rem;
  align-items: center;
  min-height: 145px;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.method-grid span,
.artifact-grid span {
  display: block;
  color: var(--gray);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.method-grid h3 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(1.8rem, 3vw, 3.3rem);
}

.method-grid p,
.artifact-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.method-grid p {
  color: rgba(255, 255, 255, 0.68);
}

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

.day-list article {
  display: grid;
  grid-template-columns: 0.1fr 0.4fr 0.5fr;
  gap: 2rem;
  align-items: center;
  padding: clamp(1.8rem, 4vw, 3rem) 0;
  border-bottom: 1px solid var(--line);
}

.day-number {
  color: var(--gray);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.day-label {
  margin-bottom: 0.55rem;
  color: var(--gray);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.day-list h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.4rem);
}

.day-list article > p {
  max-width: 490px;
  margin: 0;
  color: var(--body);
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.artifact-grid article {
  min-height: 300px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.artifact-grid article.artifact-featured {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.artifact-grid h3 {
  max-width: 450px;
  margin: clamp(6rem, 9vw, 9rem) 0 0.8rem;
  font-size: clamp(2rem, 4vw, 4rem);
}

.artifact-featured p {
  color: rgba(255, 255, 255, 0.68);
}

.implementation {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
  border-top: 1px solid var(--line);
}

.implementation-heading h2 {
  font-size: clamp(3.2rem, 5.6vw, 6.4rem);
}

.implementation-copy > p {
  max-width: 670px;
  margin-bottom: 2.4rem;
  color: var(--body);
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.action-ledger {
  border-top: 1px solid var(--line);
}

.action-ledger article {
  display: grid;
  grid-template-columns: 38px minmax(120px, 0.36fr) 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.action-ledger span,
.action-ledger small {
  color: var(--gray);
}

.action-ledger span {
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.action-ledger strong {
  font-size: 0.92rem;
  font-weight: 600;
}

.action-ledger small {
  font-size: 0.76rem;
}

.hub {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1.28fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
}

.hub-copy h2 {
  font-size: clamp(3.5rem, 6vw, 7rem);
}

.hub-copy > p:last-child {
  max-width: 480px;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.62);
}

.hub-ledger {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hub-ledger article {
  display: grid;
  grid-template-columns: 45px 1fr auto;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.hub-ledger article > span,
.hub-ledger b {
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hub-ledger h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  line-height: 1.2;
}

.hub-ledger p {
  max-width: 480px;
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}

.trust-note {
  grid-column: 2;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.fit-card {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.fit-card.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.fit-card ul,
.offer-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fit-card li,
.offer-card li {
  position: relative;
  padding: 1rem 0 1rem 1.5rem;
  border-top: 1px solid var(--line);
}

.fit-card.active li {
  border-color: rgba(255, 255, 255, 0.16);
}

.fit-card li::before,
.offer-card li::before {
  position: absolute;
  top: 1.45rem;
  left: 0;
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
}

.fit-card.active li::before,
.offer-card li::before {
  border-color: var(--accent);
  background: var(--accent);
}

.enroll {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 0.75fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: start;
}

.enroll-statement {
  position: sticky;
  top: 115px;
}

.enroll-wordmark {
  width: clamp(150px, 26vw, 230px);
  height: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.enroll-statement h2 {
  font-size: clamp(4rem, 7vw, 8rem);
}

.enroll-statement > p:last-child {
  max-width: 540px;
  margin-top: 2rem;
  color: var(--body);
  font-size: 1.05rem;
}

.offer-card {
  padding: clamp(1.6rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  background: var(--soft);
}

.offer-topline {
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.value-summary {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 1rem;
  align-items: stretch;
  padding: 1.6rem 0 1.2rem;
}

.total-value,
.founding-price {
  display: grid;
  align-content: end;
  min-height: 132px;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.total-value span,
.founding-price span,
.founding-price small {
  color: var(--gray);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.total-value s {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
  text-decoration-thickness: 2px;
}

.founding-price {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.founding-price span,
.founding-price small {
  color: rgba(255, 255, 255, 0.52);
}

.founding-price strong {
  margin: 0.25rem 0 0.35rem;
  color: #ffffff;
  font-size: clamp(3.8rem, 6vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.76;
}

.price-urgency {
  margin: 0 0 1.2rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--ink);
  background: var(--paper);
  color: var(--body);
  font-size: 0.78rem;
}

.price-urgency strong {
  color: var(--ink);
}

.value-stack {
  border-top: 1px solid var(--line);
}

.offer-card .value-stack li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.95rem 0 0.95rem 1.5rem;
}

.value-stack b {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.offer-card li {
  border-color: var(--line);
  font-size: 0.88rem;
}

.button-full {
  width: 100%;
  margin-top: 2rem;
}

.checkout-status {
  margin: 0.8rem 0 0;
  color: var(--gray);
  font-size: 0.69rem;
  text-align: center;
}

.checkout-status.is-active {
  color: var(--accent);
}

.guarantee {
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.74rem;
}

.guarantee span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

.guarantee strong {
  color: var(--ink);
}

.checkout-page {
  min-height: 100vh;
  background: var(--soft);
}

.checkout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.checkout-back {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

.checkout-main {
  display: grid;
  grid-template-columns: minmax(250px, 360px) minmax(0, 760px);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
  max-width: calc(1180px + (var(--gutter) * 2));
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 6.5rem) var(--gutter);
}

.checkout-intro {
  position: sticky;
  top: 2rem;
}

.checkout-intro h1 {
  max-width: 8ch;
  font-size: clamp(3rem, 6vw, 5.5rem);
}

.checkout-intro > p:not(.eyebrow) {
  max-width: 34rem;
  color: var(--body);
}

.checkout-details {
  display: grid;
  gap: 0;
  margin: 2.5rem 0 0;
  border-top: 1px solid var(--line);
}

.checkout-details div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.checkout-details dt,
.checkout-details dd {
  margin: 0;
}

.checkout-details dt {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.checkout-details dd {
  font-weight: 600;
}

.checkout-embed {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: 0 22px 70px rgba(29, 29, 31, 0.08);
}

.checkout-embed iframe {
  min-height: 1451px;
}

.checkout-note {
  grid-column: 2;
  margin: -1.5rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

.checkout-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem var(--gutter);
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  font-size: 0.72rem;
}

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

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

.faq summary {
  position: relative;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 94px;
  padding: 1.2rem 4rem 1.2rem 0;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  list-style: none;
  cursor: pointer;
}

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

.faq summary span {
  color: var(--gray);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.faq summary::before,
.faq summary::after {
  position: absolute;
  top: 50%;
  right: 0.8rem;
  width: 16px;
  height: 1px;
  background: var(--ink);
  content: "";
  transition: transform 180ms var(--ease);
}

.faq summary::after {
  transform: rotate(90deg);
}

.faq details[open] summary::after {
  transform: rotate(0deg);
}

.faq details > p {
  max-width: 700px;
  margin: 0.7rem 0 1.8rem 76px;
  color: var(--body);
}

.final-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final-wordmark {
  position: relative;
  z-index: 1;
  width: clamp(160px, 20vw, 240px) !important;
  height: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem) !important;
  color: var(--paper);
  opacity: 0.88;
}

.final-cta h2 {
  max-width: 1000px;
  margin-bottom: 3rem;
  font-size: clamp(4rem, 8vw, 9rem);
}

.final-cta .button {
  width: auto;
  max-width: max-content;
  margin-right: auto;
  margin-left: auto;
}

.final-cta .final-urgency {
  width: auto;
  max-width: 420px;
  margin: 1rem auto 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.button-light {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--ink);
}

.button-light:hover {
  background: transparent;
  color: var(--paper);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: center;
  min-height: 150px;
  padding: 2rem var(--gutter);
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.brand-inverse img {
  filter: invert(1);
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.66rem;
}

.footer-wordmark .amplify-wordmark {
  color: var(--paper);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 900px;
  }

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

  .manifesto,
  .implementation,
  .hub {
    grid-template-columns: 1fr;
  }

  .manifesto-copy,
  .implementation-copy,
  .hub-copy {
    max-width: 700px;
  }

  .trust-note {
    grid-column: 1;
  }

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

  .method-intro,
  .method-grid {
    justify-self: auto;
    max-width: 900px;
  }

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

  .enroll-statement {
    position: static;
  }

  .offer-card {
    max-width: 680px;
  }

  .checkout-main {
    grid-template-columns: 1fr;
    max-width: calc(820px + (var(--gutter) * 2));
  }

  .checkout-intro {
    position: static;
  }

  .checkout-intro h1 {
    max-width: 10ch;
  }

  .checkout-note {
    grid-column: 1;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 1.2rem;
    --section-space: 5.5rem;
  }

  html {
    scroll-padding-top: 76px;
  }

  .site-header {
    min-height: 70px;
  }

  .button-small {
    min-height: 44px;
  }

  .hero {
    gap: 3.8rem;
    padding-top: 4.2rem;
  }

  h1 {
    font-size: clamp(4rem, 14vw, 6.6rem);
  }

  h2 {
    font-size: clamp(3.15rem, 12vw, 5.6rem);
  }

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

  .hero-actions .button,
  .hero-actions .text-link {
    width: 100%;
  }

  .text-link {
    min-height: 44px;
    padding: 0.85rem 0;
  }

  .research-grid,
  .artifact-grid,
  .fit-grid {
    grid-template-columns: 1fr;
  }

  .research-grid article {
    min-height: 260px;
  }

  .manifesto {
    align-items: start;
  }

  .manifesto h2 {
    font-size: clamp(3.6rem, 13vw, 6rem);
  }

  .transformation-board {
    grid-template-columns: 1fr;
  }

  .distill-rail {
    height: 76px;
  }

  .distill-rail::before {
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    height: auto;
  }

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

  .method-grid article {
    grid-template-columns: 34px 1fr;
    min-height: 0;
    padding: 1.5rem 0;
  }

  .method-grid p {
    grid-column: 2;
  }

  .day-list article {
    grid-template-columns: 45px 1fr;
  }

  .day-list article > p {
    grid-column: 2;
  }

  .hub {
    gap: 3.5rem;
  }

  .hub-ledger article {
    grid-template-columns: 36px 1fr;
  }

  .hub-ledger b {
    grid-column: 2;
  }

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

}

@media (max-width: 480px) {
  .brand span {
    display: none;
  }

  .brand img {
    width: 26px;
    height: 24px;
  }

  .amplify-brand,
  .amplify-brand .amplify-wordmark {
    width: 96px;
    height: auto;
  }

  .button-small {
    padding: 0.7rem 0.9rem;
    font-size: 0.56rem;
  }

  h1 {
    font-size: clamp(3.75rem, 16vw, 4.9rem);
  }

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

  .event-ledger div + div {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .checkout-header {
    min-height: 70px;
  }

  .checkout-back {
    font-size: 0.58rem;
  }

  .checkout-footer {
    flex-direction: column;
  }

  .hero-system {
    border-radius: var(--radius-md);
  }

  .signal-core {
    min-height: 165px;
  }

  .source-insight {
    grid-template-columns: auto 1fr;
  }

  .source-insight b {
    grid-column: 2;
  }

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

  .channel-stack article {
    grid-template-columns: 1fr;
  }

  .channel-stack span {
    grid-row: auto;
  }

  .action-ledger article {
    grid-template-columns: 32px 1fr;
  }

  .action-ledger small {
    grid-column: 2;
  }

  .value-summary {
    grid-template-columns: 1fr;
  }

  .total-value,
  .founding-price {
    min-height: 116px;
  }

  .founding-price strong {
    font-size: clamp(3.7rem, 18vw, 4.8rem);
  }

  .final-cta .button {
    width: auto;
    max-width: calc(100vw - (var(--gutter) * 2));
  }

  .offer-card .value-stack li {
    gap: 0.6rem;
  }

  .faq summary {
    grid-template-columns: 35px 1fr;
    padding-right: 2.8rem;
  }

  .faq details > p {
    margin-left: 51px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}