@charset "UTF-8";

:root {
  color-scheme: light;
  --paper: #f4f1e8;
  --paper-bright: #fbfaf6;
  --ink: #11131a;
  --muted: #5f625f;
  --line: #c8c7c0;
  --blue: #1d43ff;
  --blue-dark: #102bb5;
  --acid: #c8ff57;
  --lavender: #cfc9ff;
  --orange: #ff8d5d;
  --radius: 24px;
  --shadow: 0 22px 60px rgba(17, 19, 26, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--ink);
  color: white;
  border-radius: 999px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(17, 19, 26, 0.14);
  background: rgba(244, 241, 232, 0.9);
  backdrop-filter: blur(16px);
}

.nav-shell,
.footer-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 11px;
  background: var(--blue);
  color: white;
  font-weight: 900;
  box-shadow: inset -5px -5px 0 rgba(0, 0, 0, 0.12);
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--blue);
}

.nav-cta {
  padding: 9px 15px;
  border: 1px solid var(--ink);
  border-radius: 999px;
}

.hero {
  min-height: 720px;
  padding-block: 92px 104px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(430px, 0.98fr);
  align-items: center;
  gap: 78px;
}

.eyebrow {
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-dot {
  width: 9px;
  height: 9px;
  display: inline-block;
  border-radius: 50%;
  background: #48a96b;
  box-shadow: 0 0 0 5px rgba(72, 169, 107, 0.15);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h1 {
  max-width: 780px;
  margin-bottom: 30px;
  font-size: clamp(4rem, 7vw, 7rem);
  font-weight: 900;
}

h1 em,
.closing h2 em {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.hero-lead {
  max-width: 660px;
  margin: 0;
  color: #3e413f;
  font-size: clamp(1.1rem, 1.65vw, 1.38rem);
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 rgba(17, 19, 26, 0.12);
}

.button-primary {
  border-color: var(--blue);
  background: var(--blue);
  color: white;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--blue-dark);
}

.button-quiet {
  background: transparent;
}

.hero-visual {
  position: relative;
  min-height: 560px;
  border: 1px solid rgba(17, 19, 26, 0.18);
  border-radius: 34px;
  background: var(--paper-bright);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.visual-grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image: linear-gradient(rgba(17, 19, 26, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(17, 19, 26, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black 15%, transparent 92%);
}

.prompt-card,
.result-card {
  position: absolute;
  border: 1px solid var(--ink);
  border-radius: 20px;
  box-shadow: 8px 8px 0 var(--ink);
}

.prompt-card {
  width: 58%;
  padding: 20px 22px;
}

.prompt-card p {
  margin: 8px 0 0;
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.25;
}

.card-one {
  left: 7%;
  top: 8%;
  background: var(--lavender);
  transform: rotate(-2deg);
}

.card-two {
  right: 6%;
  top: 28%;
  background: var(--acid);
  transform: rotate(2deg);
}

.card-label,
.result-topline {
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.result-card {
  left: 9%;
  right: 9%;
  bottom: 12%;
  padding: 22px;
  background: var(--ink);
  color: white;
  box-shadow: 9px 9px 0 var(--blue);
}

.result-topline {
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #b9bbb9;
}

.verified {
  color: var(--acid);
}

.result-row {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.17);
  font-weight: 750;
}

.result-icon {
  width: 27px;
  height: 27px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--acid);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 950;
}

.result-icon.open {
  background: var(--orange);
}

.result-icon.task {
  background: var(--lavender);
}

.visual-note {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2.5%;
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.principles {
  padding-block: 112px 126px;
  background: var(--ink);
  color: white;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 40px 80px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -12px;
  color: var(--acid);
}

.section-heading h2,
.lab-heading h2,
.closing h2 {
  margin-bottom: 0;
  font-size: clamp(3rem, 6vw, 5.6rem);
  font-weight: 870;
}

.section-heading > p:last-child {
  max-width: 510px;
  margin: 0;
  color: #c9cbc8;
  font-size: 1.08rem;
}

.principle-grid {
  margin-top: 74px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.principle-grid article {
  min-height: 300px;
  padding: 28px 28px 22px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.principle-grid article:not(:first-child) {
  padding-left: 28px;
}

.principle-grid article:last-child {
  border-right: 0;
}

.number {
  display: block;
  margin-bottom: 74px;
  color: var(--acid);
  font-family: Georgia, serif;
  font-size: 1.05rem;
  font-style: italic;
}

.principle-grid h3 {
  margin-bottom: 16px;
  font-size: 1.4rem;
  letter-spacing: -0.035em;
}

.principle-grid p {
  margin: 0;
  color: #b9bbb9;
  font-size: 0.93rem;
}

.lab {
  padding-block: 118px;
}

.lab-heading {
  margin-bottom: 46px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.lab-heading h2 {
  max-width: 690px;
  font-size: clamp(3rem, 5vw, 5rem);
}

.lab-intro {
  max-width: 300px;
  margin: 0 0 4px;
  color: var(--muted);
}

.experiment-card {
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-bright);
  box-shadow: 11px 11px 0 var(--ink);
  overflow: hidden;
}

.experiment-meta,
.experiment-footer {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--ink);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.pill {
  padding: 7px 11px;
  border-radius: 999px;
}

.pill-active {
  background: var(--acid);
  color: var(--ink);
}

.experiment-content {
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
}

.experiment-kicker {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.experiment-content h3 {
  max-width: 640px;
  margin-bottom: 24px;
  font-size: clamp(2.2rem, 4vw, 4.15rem);
}

.experiment-content > div > p:last-child {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
}

.experiment-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.experiment-steps li {
  padding: 17px 0;
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  font-weight: 750;
}

.experiment-steps li:first-child {
  border-top: 1px solid var(--line);
}

.experiment-steps span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.experiment-footer {
  border-top: 1px solid var(--ink);
  border-bottom: 0;
  background: #ece9df;
  text-transform: none;
  letter-spacing: 0;
}

.experiment-footer p {
  margin: 0;
}

.no-link {
  flex: 0 0 auto;
  color: #8e3f29;
}

.coming-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.coming-card {
  position: relative;
  min-height: 290px;
  padding: 36px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--lavender);
  overflow: hidden;
}

.coming-card.inverted {
  background: var(--blue);
  color: white;
}

.coming-card.inverted .eyebrow,
.coming-card.inverted p {
  color: #dbdef5;
}

.coming-card h3 {
  max-width: 430px;
  margin: 78px 0 16px;
  font-size: clamp(2rem, 3.6vw, 3.3rem);
}

.coming-card p:last-child {
  max-width: 540px;
  margin-bottom: 0;
}

.coming-icon {
  position: absolute;
  right: 28px;
  top: 22px;
  font-family: Georgia, serif;
  font-size: 3rem;
}

.closing {
  padding-block: 120px;
  background: var(--acid);
}

.closing-inner {
  display: grid;
  grid-template-columns: 1fr 0.44fr;
  gap: 40px 80px;
}

.closing .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -10px;
  color: var(--ink);
}

.closing h2 {
  font-size: clamp(3.25rem, 6.1vw, 6.3rem);
}

.closing h2 em {
  color: var(--blue);
}

.closing p:last-child {
  align-self: end;
  margin: 0 0 7px;
  font-weight: 650;
}

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

.brand-small {
  font-size: 0.92rem;
}

.brand-small .brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
}

.footer-inner p {
  margin: 0;
  color: #aeb0ad;
  font-size: 0.78rem;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 9px;
}

.footer-status .status-dot {
  width: 7px;
  height: 7px;
  box-shadow: none;
}

.error-page {
  min-height: 100vh;
  width: min(680px, calc(100% - 48px));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.error-page .brand {
  margin-bottom: 68px;
}

.error-page h1 {
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 8vw, 6rem);
}

.error-page > p:not(.eyebrow) {
  max-width: 580px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 1.2rem;
}

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

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .hero-visual {
    width: min(620px, 100%);
  }

  .section-heading,
  .closing-inner {
    grid-template-columns: 1fr;
  }

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

  .principle-grid article:nth-child(2) {
    border-right: 0;
  }

  .principle-grid article:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.24);
  }

  .experiment-content {
    grid-template-columns: 1fr;
    gap: 42px;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 30px, 1180px);
  }

  .nav-shell {
    min-height: 68px;
  }

  nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-block: 64px 76px;
  }

  h1 {
    font-size: clamp(3.6rem, 18vw, 5.2rem);
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 470px;
    border-radius: 24px;
  }

  .prompt-card {
    width: 72%;
  }

  .result-card {
    left: 6%;
    right: 6%;
  }

  .principles,
  .lab,
  .closing {
    padding-block: 82px;
  }

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

  .principle-grid article,
  .principle-grid article:not(:first-child) {
    min-height: auto;
    padding: 28px 0;
    border-right: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.24);
  }

  .number {
    margin-bottom: 36px;
  }

  .lab-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .experiment-meta,
  .experiment-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .experiment-content {
    padding: 30px 24px;
  }

  .experiment-steps li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

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

  .coming-card {
    min-height: 330px;
    padding: 28px;
  }

  .coming-card h3 {
    margin-top: 95px;
  }

  .footer-inner {
    padding-block: 28px;
    align-items: flex-start;
    flex-direction: column;
  }
}

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

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