:root {
  --color-paper: #f5f1ea;
  --color-paper-deep: #ece6db;
  --color-card: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-soft: #4a4a4a;
  --color-ink-quiet: #76716a;
  --color-accent: #5c2018;
  --color-accent-hover: #7a2c20;
  --color-accent-soft: #f0e5e2;
  --color-rule: #d6cfc2;
  --color-rule-strong: #1a1a1a;
  --font-size-xs: 0.8rem;
  --font-size-sm: 1rem;
  --font-size-base: 1.125rem;
  --font-size-md: 1.25rem;
  --font-size-lg: 1.563rem;
  --font-size-xl: 1.953rem;
  --font-size-2xl: 2.441rem;
  --font-size-3xl: 3.052rem;
  --font-size-4xl: 3.815rem;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;
  --space-9: 12rem;
  --content-width: 72rem;
  --reading-width: 38rem;
  --radius: 8px;
  --shadow: 0 28px 80px rgba(26, 26, 26, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(214, 207, 194, 0.18) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--color-paper);
  color: var(--color-ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.modal-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(92, 32, 24, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 200ms ease, text-decoration-thickness 200ms ease;
}

a:hover {
  color: var(--color-accent);
  text-decoration-thickness: 2px;
}

button,
input {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(92, 32, 24, 0.38);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.6rem 0.85rem;
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-180%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: min(100% - 2rem, var(--content-width));
  margin: 0 auto;
  padding: var(--space-2) 0;
  background: rgba(245, 241, 234, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(214, 207, 194, 0.7);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "JetBrains Mono", monospace;
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-decoration: none;
  text-transform: uppercase;
}

.brand img {
  width: 2.1rem;
  height: 2.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink-soft);
  font-size: var(--font-size-sm);
}

.nav-links a {
  text-decoration: none;
}

.section {
  width: min(100% - 2rem, var(--content-width));
  margin: 0 auto;
  padding: var(--space-9) 0;
}

.section-inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.reading-column {
  width: min(100%, var(--reading-width));
  margin: 0 auto;
}

.eyebrow,
.layer-kicker {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-quiet);
  font-family: "JetBrains Mono", monospace;
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1.4;
  text-transform: uppercase;
}

.accent {
  color: var(--color-accent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "EB Garamond", Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  max-width: 12ch;
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-xl);
}

p {
  margin: 0;
}

p + p {
  margin-top: var(--space-3);
}

.section-lede {
  max-width: var(--reading-width);
  margin: var(--space-2) 0 var(--space-4);
  color: var(--color-ink-soft);
  font-size: var(--font-size-md);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(21rem, 0.8fr);
  align-items: center;
  gap: var(--space-6);
  min-height: 90vh;
  padding-top: var(--space-6);
  padding-bottom: var(--space-7);
}

.hero-copy {
  max-width: 43rem;
}

.hero-intro {
  max-width: var(--reading-width);
  margin-top: var(--space-4);
  color: var(--color-ink-soft);
  font-size: var(--font-size-md);
}

.hero-actions {
  margin-top: var(--space-5);
}

.hero-actions p,
.form-note,
.founder-line {
  color: var(--color-ink-quiet);
  font-size: var(--font-size-sm);
}

.founder-line {
  max-width: var(--reading-width);
  margin-top: var(--space-4);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3.25rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: Inter, system-ui, sans-serif;
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, transform 200ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-paper);
}

.button-secondary {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.button-secondary:hover {
  background: var(--color-accent);
  color: var(--color-paper);
}

.ideon-panel {
  position: relative;
  padding: var(--space-3);
  border: 1px solid rgba(214, 207, 194, 0.9);
  border-radius: var(--radius);
  background: radial-gradient(circle at center, rgba(240, 229, 226, 0.76), rgba(245, 241, 234, 0.08) 62%);
}

.ideon-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.orbital-lines {
  transform-origin: 320px 320px;
  animation: slowSpin 40s linear infinite;
}

.orbital-lines ellipse,
.orbital-lines circle {
  fill: none;
  stroke: rgba(92, 32, 24, 0.32);
  stroke-width: 1.25;
}

.core circle:last-child,
.satellite-dot {
  fill: var(--color-accent);
}

.satellite {
  transform-origin: 320px 320px;
  animation: slowSpin 40s linear infinite;
}

.satellite-machine {
  animation-delay: -8s;
}

.satellite-memory {
  animation-delay: -16s;
}

.satellite-signal {
  animation-delay: -24s;
}

.satellite-governance {
  animation-delay: -32s;
}

.ideon-label {
  cursor: default;
}

.ideon-label text {
  fill: var(--color-ink-soft);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 500;
  transition: fill 200ms ease, opacity 200ms ease;
}

.ideon-label .ideon-tooltip {
  fill: var(--color-accent);
  font-size: 11px;
  opacity: 0;
}

.ideon-label:hover text,
.ideon-label:focus-visible text {
  fill: var(--color-accent);
}

.ideon-label:hover .ideon-tooltip,
.ideon-label:focus-visible .ideon-tooltip {
  opacity: 1;
}

@keyframes slowSpin {
  to {
    transform: rotate(360deg);
  }
}

.credibility {
  width: 100%;
  max-width: none;
  padding: var(--space-5) 1rem;
  background: var(--color-paper-deep);
  text-align: center;
}

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-4);
  max-width: var(--content-width);
  margin: var(--space-3) auto;
  padding: 0;
  color: var(--color-ink-soft);
  list-style: none;
}

.logo-strip li {
  font-family: "EB Garamond", Georgia, serif;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.credential-line {
  max-width: 55rem;
  margin: 0 auto;
  color: var(--color-ink-soft);
  font-size: var(--font-size-sm);
}

.doctrine {
  width: min(100% - 2rem, 64rem);
}

.reading-column h2 {
  margin-bottom: var(--space-3);
}

.reading-column p:not(.eyebrow) {
  color: var(--color-ink-soft);
}

.layer-diagram {
  position: relative;
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-7);
}

.layer-diagram::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--color-rule);
  content: "";
}

.layer-card {
  position: relative;
  width: min(100%, 33rem);
  padding: var(--space-4);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 18px 50px rgba(26, 26, 26, 0.04);
}

.layer-card::before {
  position: absolute;
  top: var(--space-4);
  width: 0.8rem;
  height: 0.8rem;
  border: 2px solid var(--color-paper);
  border-radius: 50%;
  background: var(--color-accent);
  content: "";
}

.layer-card:nth-child(odd) {
  justify-self: start;
}

.layer-card:nth-child(even) {
  justify-self: end;
}

.layer-card:nth-child(odd)::before {
  right: calc(-1 * (var(--space-4) + 0.45rem));
}

.layer-card:nth-child(even)::before {
  left: calc(-1 * (var(--space-4) + 0.45rem));
}

.layer-card h3,
.cta-card h3,
.contact-card h3 {
  margin-bottom: var(--space-2);
}

.layer-card p:last-child,
.cta-card p,
.contact-card p,
.architect-copy p:not(.eyebrow):not(.section-lede) {
  color: var(--color-ink-soft);
}

.architect {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: var(--space-6);
}

.architect-media {
  position: sticky;
  top: 6rem;
  padding: var(--space-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  background: var(--color-paper-deep);
}

.architect-media img {
  width: 100%;
  border-radius: calc(var(--radius) - 2px);
  filter: saturate(0.84) contrast(1.03);
}

.text-link {
  display: inline-flex;
  margin-top: var(--space-3);
  color: var(--color-accent);
  font-weight: 600;
}

.newsletter {
  width: 100%;
  max-width: none;
  padding-right: 1rem;
  padding-left: 1rem;
  background: var(--color-accent-soft);
  text-align: center;
}

.newsletter-inner {
  width: min(100%, 45rem);
  margin: 0 auto;
}

.newsletter .section-lede {
  margin-right: auto;
  margin-left: auto;
}

.beehiiv-shell {
  width: min(100%, 42rem);
  min-height: 29.5rem;
  margin: var(--space-5) auto var(--space-2);
  padding: var(--space-2);
  border: 1px solid rgba(92, 32, 24, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
}

.beehiiv-shell.compact {
  min-height: 26rem;
  margin-top: var(--space-3);
  box-shadow: none;
}

.beehiiv-embed {
  display: block;
  width: 100%;
  min-height: 27.5rem;
  margin: 0;
  border: 0;
  border-radius: calc(var(--radius) - 2px);
  background: transparent;
  box-shadow: none;
}

.compact .beehiiv-embed {
  min-height: 24rem;
}

.proof-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  color: var(--color-ink-soft);
  font-size: var(--font-size-sm);
  list-style: none;
}

.proof-points li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.proof-points svg,
.contact-card svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.section-heading {
  max-width: var(--reading-width);
  margin-bottom: var(--space-5);
}

.coming-grid,
.connect-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.cta-card,
.contact-card {
  padding: var(--space-4);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  background: var(--color-card);
}

.book-subtitle {
  margin-bottom: var(--space-3);
  color: var(--color-ink-soft);
  font-style: italic;
}

.contact-card svg {
  width: 1.6rem;
  height: 1.6rem;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
}

.site-footer {
  padding: var(--space-5) 1rem;
  background: var(--color-ink);
  color: var(--color-paper);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr) minmax(0, 0.8fr);
  gap: var(--space-5);
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.footer-brand {
  font-family: "EB Garamond", Georgia, serif;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.footer-grid nav,
.footer-grid div:last-child {
  display: grid;
  gap: 0.65rem;
  align-content: start;
}

.footer-grid a {
  color: var(--color-paper);
}

.copyright {
  width: min(100%, var(--content-width));
  margin: var(--space-5) auto 0;
  padding-top: var(--space-3);
  border-top: 1px solid rgba(245, 241, 234, 0.18);
  color: rgba(245, 241, 234, 0.72);
  font-size: var(--font-size-sm);
  text-align: center;
}

.waitlist-modal {
  width: min(100% - 2rem, 42rem);
  padding: var(--space-4);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  background: var(--color-paper);
  color: var(--color-ink);
  box-shadow: var(--shadow);
}

.waitlist-modal::backdrop {
  background: rgba(26, 26, 26, 0.56);
}

.waitlist-modal h2 {
  margin-bottom: var(--space-2);
}

.waitlist-modal p:not(.eyebrow) {
  color: var(--color-ink-soft);
}

.modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--color-rule);
  border-radius: 50%;
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  :root {
    --font-size-4xl: 3.052rem;
    --space-9: 8rem;
  }

  .hero,
  .architect {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: var(--space-4);
    min-height: auto;
  }

  .hero h1 {
    max-width: 13ch;
  }

  .ideon-panel {
    width: min(100%, 35rem);
  }

  .architect-media {
    position: static;
    width: min(100%, 24rem);
  }
}

@media (max-width: 760px) {
  :root {
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.563rem;
    --font-size-2xl: 1.953rem;
    --font-size-3xl: 2.441rem;
    --font-size-4xl: 3.052rem;
    --space-7: 4rem;
    --space-9: 6rem;
  }

  body {
    background-size: 44px 44px;
  }

  .site-header {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .section {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  .hero {
    padding-top: var(--space-5);
  }

  .button {
    width: 100%;
  }

  .ideon-panel {
    padding: var(--space-1);
  }

  .ideon-label text {
    font-size: 11px;
  }

  .ideon-label .ideon-tooltip {
    display: none;
  }

  .layer-diagram::before,
  .layer-card::before {
    display: none;
  }

  .layer-card,
  .layer-card:nth-child(odd),
  .layer-card:nth-child(even) {
    justify-self: stretch;
    width: 100%;
  }

  .coming-grid,
  .connect-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .beehiiv-shell {
    min-height: 31rem;
    padding: var(--space-1);
  }

  .beehiiv-embed {
    min-height: 30rem;
  }

  .proof-points {
    align-items: center;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  h1,
  h2 {
    overflow-wrap: anywhere;
  }

  .section,
  .site-header {
    width: min(100% - 1rem, var(--content-width));
  }

  .hero-copy {
    min-width: 0;
  }

  .logo-strip {
    gap: var(--space-1) var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}