:root {
  color-scheme: light;
  --paper: #f8f7fc;
  --ink: #252334;
  --muted: #615b70;
  --accent: #65429c;
  --line: #dcd7e8;
  --white: #fff;
  font-family:
    'Segoe UI',
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}
body {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
}
a {
  color: var(--accent);
  text-underline-offset: 0.22em;
}
button,
input {
  font: inherit;
}
button,
a,
summary,
input {
  -webkit-tap-highlight-color: transparent;
}
button,
a,
summary {
  touch-action: manipulation;
}
img {
  max-width: 100%;
}
[hidden] {
  display: none !important;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #65429c;
  outline-offset: 5px;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 1;
  color: #514958;
  background: #ebe5f0;
  border-color: #cfc5da;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  font-weight: 620;
  letter-spacing: -0.035em;
}
h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.65rem);
  margin-bottom: 1.5rem;
}
h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
}
h3 {
  font-size: 1.32rem;
  letter-spacing: -0.025em;
}
p {
  margin-bottom: 1.15rem;
}
main,
.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 44px;
}
main:focus {
  outline: none;
}
.skip-link {
  position: fixed;
  z-index: 10;
  top: -100px;
  left: 1rem;
  padding: 0.75rem 1rem;
  background: var(--white);
  border: 2px solid var(--accent);
  border-radius: 8px;
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1200px;
  margin: auto;
  padding: 20px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 650;
  letter-spacing: -0.055em;
  text-decoration: none;
}
.main-nav {
  display: flex;
  gap: 25px;
  align-items: center;
  flex-wrap: wrap;
}
.main-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 0.91rem;
  color: var(--muted);
  font-weight: 570;
}
.main-nav a:hover,
.main-nav a[aria-current] {
  color: var(--accent);
  text-decoration: underline;
}
.main-nav .nav-download {
  border: 1px solid #c9bfda;
  border-radius: 999px;
  padding: 7px 19px;
  color: var(--ink);
  background: #fff9;
}
.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 1.3rem;
  display: flex;
  align-items: center;
  gap: 9px;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #537755;
  display: inline-block;
  flex: none;
}
.home-hero {
  display: grid;
  grid-template-columns: 1.14fr 1fr;
  align-items: center;
  gap: 40px;
  min-height: 650px;
  padding: 70px 0 65px;
}
.hero-copy {
  position: relative;
  z-index: 1;
}
.home-hero h1 {
  font-size: clamp(2.5rem, 5.25vw, 4.4rem);
}
.accent-dot {
  color: var(--accent);
}
.lead {
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 47ch;
}
.hero-copy .lead {
  margin-bottom: 2rem;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.button {
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-decoration: none;
  font-weight: 620;
  font-size: 0.9rem;
  line-height: 1.45;
  text-align: center;
}
.primary {
  background: var(--accent);
  color: var(--white);
}
.primary:hover:not(:disabled) {
  background: #513282;
}
.secondary {
  color: var(--ink);
  background: #fff9;
  border-color: #cfc6de;
}
.secondary:hover {
  background: #ede7f7;
}
.small {
  min-height: 44px;
  padding: 9px 16px;
}
.hero-note {
  font-size: 0.8rem;
  margin: 20px 0 0;
  color: var(--muted);
}
.light-scene {
  overflow: hidden;
  height: 410px;
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.light-scene:before {
  content: '';
  position: absolute;
  inset: 15% 3% 4%;
  z-index: -1;
  background: radial-gradient(ellipse, #d6c5ef66, #e0e8f333 50%, transparent 72%);
}
.hero-veyling {
  width: 270px;
  height: 270px;
  transform: rotate(-9deg);
  filter: drop-shadow(4px 14px 18px #cabddd);
  animation: float-light 8s ease-in-out infinite;
}
.orbit {
  position: absolute;
  width: 94%;
  height: 75%;
  border: 1px solid #d7cde66e;
  border-radius: 50%;
  transform: rotate(-30deg);
  z-index: -1;
}
.orbit-two {
  width: 63%;
  height: 98%;
  transform: rotate(28deg);
}
.refraction {
  position: absolute;
  width: 145%;
  height: 95px;
  background: linear-gradient(135deg, transparent 10%, #d2e9e14a 38%, #dfd7f58a 48%, #f2d8e663 55%, transparent 80%);
  transform: rotate(-30deg);
  z-index: -1;
  clip-path: polygon(10% 0, 100% 0, 86% 100%, 0 100%);
}
.scene-caption {
  position: absolute;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid #dcd5e5;
  background: #ffffffbd;
  padding: 8px 15px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.77rem;
}
.scene-coordinate {
  position: absolute;
  top: 9px;
  right: 0;
  font-size: 0.58rem;
  letter-spacing: 0.17em;
  color: var(--muted);
  writing-mode: vertical-rl;
}
.principles {
  border-block: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  padding: 28px 0;
}
.principles p {
  margin: 0;
}
.principles strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 620;
}
.principles span {
  font-size: 0.83rem;
  color: var(--muted);
}
.section {
  padding: 78px 0 0;
}
.section-heading {
  max-width: 750px;
  margin-bottom: 32px;
}
.section-heading .eyebrow {
  margin-bottom: 12px;
}
.grid {
  display: grid;
  gap: 18px;
}
.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.card {
  border: 1px solid var(--line);
  background: linear-gradient(130deg, #fff, #fff9);
  border-radius: 20px;
  padding: 29px;
  min-width: 0;
}
.card h3 {
  margin-bottom: 15px;
}
.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}
.card-number {
  color: var(--accent);
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin-bottom: 33px;
}
.companion-strip {
  padding: 35px 55px 35px 25px;
  border: 1px solid var(--line);
  border-radius: 24px;
  display: flex;
  gap: 50px;
  align-items: center;
  background: linear-gradient(100deg, #eee6f955, #fff9);
}
.companion-strip img {
  flex: none;
}
.companion-strip p {
  color: var(--muted);
  max-width: 64ch;
}
.text-link {
  display: inline-flex;
  padding-block: 10px;
  font-weight: 600;
}
.split-copy {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 50px;
}
.split-copy p {
  color: var(--muted);
}
.closing {
  text-align: center;
  padding: 90px 15px;
  margin-top: 70px;
  border-block: 1px solid var(--line);
  background: radial-gradient(ellipse at center, #e7dcf233, transparent 67%);
}
.closing .eyebrow,
.closing .actions {
  justify-content: center;
}
.closing h2 {
  font-size: clamp(2.3rem, 4vw, 3.8rem);
}
.page-heading {
  padding: 75px 0 30px;
  max-width: 840px;
}
.page-heading h1 {
  font-size: clamp(2.6rem, 4.8vw, 4rem);
}
.page-heading + .section {
  padding-top: 15px;
}
.notice {
  padding: 20px 24px;
  background: #eee8f5;
  border: 1px solid #d9cfe7;
  border-left: 3px solid var(--accent);
  border-radius: 3px 14px 14px 3px;
  font-size: 0.94rem;
  margin-bottom: 24px;
}
.muted {
  color: var(--muted);
}
.release-line {
  font-size: 1.1rem;
}
.download-grid {
  margin-top: 30px;
}
.download-card h2 {
  font-size: 1.7rem;
}
.download-card p {
  margin-bottom: 22px;
}
.download-card .button {
  margin-bottom: 20px;
  max-width: 100%;
}
.details-list {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 9px 15px;
  margin: 22px 0;
  font-size: 0.85rem;
}
.details-list dt {
  color: var(--muted);
}
.details-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.field-label {
  display: block;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 650;
  margin-bottom: 8px;
}
input {
  border: 1px solid #b6a9c8;
  border-radius: 9px;
  color: var(--ink);
  background: var(--white);
  min-height: 48px;
  padding: 12px;
  width: 100%;
  min-width: 0;
}
.checksum {
  font-family: Consolas, monospace;
  font-size: 0.75rem;
  margin-bottom: 16px;
}
.action-status {
  min-height: 1.7em;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 12px;
}
.steps {
  list-style: none;
  counter-reset: steps;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 30px;
}
.steps li {
  counter-increment: steps;
  padding-left: 60px;
  position: relative;
}
.steps li:before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -4px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 0.75rem;
}
.steps p {
  color: var(--muted);
  max-width: 85ch;
}
.steps h3 {
  margin-bottom: 10px;
}
code {
  font-family: Consolas, monospace;
  overflow-wrap: anywhere;
  font-size: 0.88em;
  background: #e9e3f0;
  border-radius: 4px;
  padding: 2px 5px;
}
.model-list {
  display: grid;
  gap: 20px;
}
.model-card {
  display: flex;
  gap: 35px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px;
  background: #fff9;
}
.model-card h3 {
  font-size: 1.9rem;
}
.model-card p {
  color: var(--muted);
}
.model-card .eyebrow {
  margin-bottom: 10px;
}
.model-symbol {
  font-size: 3rem;
  line-height: 1;
  color: var(--accent);
  flex: 0 0 66px;
  padding-top: 20px;
}
.tier-1 {
  color: #6c4d98;
}
.tier-2 {
  color: #42647f;
}
.tier-3 {
  color: #804a62;
}
.tier-4 {
  color: #556944;
}
.model-main {
  min-width: 0;
  flex: 1;
}
.pill {
  display: inline-block;
  color: #51426e;
  background: #eee8f6;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.73rem;
}
details {
  border-top: 1px solid var(--line);
  padding-block: 10px;
  margin-top: 18px;
}
summary {
  color: var(--accent);
  font-weight: 600;
  min-height: 44px;
  padding: 10px 2px;
  cursor: pointer;
}
details p {
  font-size: 0.91rem;
}
.mobile-intro {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 70px;
  align-items: center;
  margin: 10px 0 40px;
}
.mobile-intro p {
  color: var(--muted);
}
.host-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff9;
  gap: 7px;
  text-align: center;
}
.host-diagram span {
  font-weight: 650;
}
.host-diagram b {
  color: var(--accent);
  font-weight: 500;
}
.host-diagram small {
  color: var(--muted);
}
.host-form-card {
  padding: 30px;
}
.host-form-card p {
  color: var(--muted);
}
.input-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.input-row button {
  flex: none;
}
.prose {
  max-width: 850px;
}
.prose p,
.prose li {
  color: var(--muted);
}
.prose li {
  margin-bottom: 10px;
}
.doc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.doc-index a {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff8;
  font-size: 0.85rem;
  text-decoration: none;
}
.docs-prose section {
  padding-top: 26px;
  margin-bottom: 28px;
  scroll-margin-top: 25px;
}
.docs-prose h2 {
  font-size: 1.8rem;
}
.release-notes {
  max-width: 940px;
}
.release-notes > p,
.release-notes li {
  color: var(--muted);
}
.release-notes > h3 {
  margin-top: 38px;
}
.release-notes li {
  margin-bottom: 8px;
}
.empty-state {
  padding-block: 20px 70px;
}
.empty-state img {
  display: block;
  margin-bottom: 20px;
}
.site-footer {
  margin-top: 82px;
  border-top: 1px solid var(--line);
  padding-top: 45px;
  padding-bottom: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 60px;
}
.site-footer p {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 8px 0;
}
.site-footer nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 16px;
  align-content: start;
}
.site-footer nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 0.83rem;
  text-decoration: none;
  color: var(--muted);
}
.site-footer nav a:hover {
  text-decoration: underline;
  color: var(--accent);
}
.footer-note {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
@keyframes float-light {
  0%,
  100% {
    transform: translateY(0) rotate(-9deg);
  }
  50% {
    transform: translateY(-8px) rotate(-7deg);
  }
}
@media (max-width: 940px) {
  main,
  .site-footer,
  .header-inner {
    padding-inline: 28px;
  }
  .header-inner {
    gap: 15px;
  }
  .main-nav {
    gap: 14px;
  }
  .home-hero {
    gap: 10px;
    min-height: 570px;
  }
  .light-scene {
    height: 360px;
  }
  .hero-veyling {
    width: 230px;
    height: 230px;
  }
  .refraction {
    width: 100%;
  }
  .three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .mobile-intro {
    gap: 30px;
  }
  .companion-strip {
    gap: 25px;
    padding-right: 30px;
  }
}
@media (max-width: 680px) {
  main,
  .site-footer,
  .header-inner {
    padding-inline: 20px;
  }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding-block: 15px 10px;
    gap: 8px;
  }
  .brand {
    font-size: 1.35rem;
  }
  .main-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 4px 16px;
  }
  .main-nav a {
    font-size: 0.83rem;
  }
  .main-nav .nav-download {
    padding-inline: 15px;
  }
  .home-hero {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-block: 45px 25px;
    min-height: auto;
  }
  .home-hero h1 {
    font-size: clamp(2.5rem, 9.8vw, 3.6rem);
  }
  .lead {
    font-size: 1.05rem;
  }
  .light-scene {
    height: 310px;
    margin-inline: 20px;
  }
  .hero-veyling {
    width: 220px;
    height: 220px;
  }
  .principles {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .three,
  .two,
  .split-copy,
  .mobile-intro {
    grid-template-columns: 1fr;
  }
  .section {
    padding-top: 55px;
  }
  .section-heading {
    margin-bottom: 23px;
  }
  .card {
    padding: 24px;
  }
  .card-number {
    margin-bottom: 22px;
  }
  .companion-strip {
    gap: 5px;
    flex-direction: column;
    align-items: flex-start;
    padding: 25px;
  }
  .companion-strip img {
    width: 105px;
    height: 105px;
  }
  .split-copy {
    gap: 8px;
  }
  .closing {
    padding: 55px 5px;
    margin-top: 50px;
  }
  .closing .actions {
    flex-direction: column;
    align-items: center;
  }
  .page-heading {
    padding: 45px 0 20px;
  }
  .page-heading h1 {
    font-size: 2.7rem;
  }
  .details-list {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .details-list dd {
    margin-bottom: 10px;
  }
  .model-card {
    gap: 12px;
    padding: 24px 19px;
  }
  .model-symbol {
    flex-basis: 32px;
    font-size: 2rem;
  }
  .model-card h3 {
    font-size: 1.6rem;
  }
  .model-card .eyebrow {
    font-size: 0.65rem;
  }
  .host-form-card {
    padding: 24px;
  }
  .input-row {
    flex-direction: column;
  }
  .input-row button {
    width: 100%;
  }
  .steps li {
    padding-left: 47px;
  }
  .site-footer {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 55px;
    padding-top: 30px;
  }
  .site-footer nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 3px 10px;
  }
}
@media (max-width: 350px) {
  main,
  .site-footer,
  .header-inner {
    padding-inline: 16px;
  }
  .main-nav {
    gap: 3px 12px;
  }
  .page-heading h1 {
    font-size: 2.35rem;
  }
  .light-scene {
    margin-inline: 0;
  }
  .button {
    padding-inline: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}
@media (forced-colors: active) {
  .card,
  .button,
  .notice,
  .host-diagram,
  .model-card {
    border: 1px solid CanvasText;
  }
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  summary:focus-visible {
    outline-color: Highlight;
  }
}