:root {
  color-scheme: light;
  --blue: #0066cc;
  --blue-focus: #0071e3;
  --blue-dark: #2997ff;
  --ink: #1d1d1f;
  --muted: #7a7a7a;
  --dark-muted: #cccccc;
  --canvas: #ffffff;
  --parchment: #f5f5f7;
  --pearl: #fafafc;
  --tile-dark: #272729;
  --tile-dark-2: #2a2a2c;
  --black: #000000;
  --hairline: #e0e0e0;
  --soft-line: rgba(0, 0, 0, 0.08);
  --content: 980px;
  --wide: 1440px;
  --nav-height: 44px;
  --subnav-height: 52px;
  --subnav-offset: 52px;
  --product-shadow: rgba(0, 0, 0, 0.22) 3px 5px 30px 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--canvas);
  font-family: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: 0;
}

body,
button,
input {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
.pill:focus-visible {
  outline: 2px solid var(--blue-focus);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 max(22px, calc((100vw - var(--wide)) / 2 + 22px));
  color: #ffffff;
  background: var(--black);
  font-size: 12px;
  line-height: 1;
}

.brand,
.site-nav,
.sub-nav div,
.actions,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
}

.brand span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  gap: 22px;
  color: rgba(255, 255, 255, 0.78);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #ffffff;
}

.sub-nav {
  position: sticky;
  top: var(--nav-height);
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--subnav-height);
  padding: 0 max(22px, calc((100vw - var(--wide)) / 2 + 22px));
  background: rgba(245, 245, 247, 0.82);
  border-bottom: 1px solid var(--soft-line);
  backdrop-filter: saturate(180%) blur(20px);
}

.sub-nav-title {
  color: var(--ink);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.19;
}

.sub-nav div {
  gap: 18px;
  color: #333333;
  font-size: 14px;
}

.tile {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--nav-height) - var(--subnav-height));
  padding: 80px 22px;
  scroll-margin-top: calc(var(--nav-height) + var(--subnav-offset));
}

.tile-light {
  background: var(--canvas);
}

.tile-parchment {
  background: var(--parchment);
}

.tile-dark,
.tile-dark-2 {
  color: #ffffff;
  background: var(--tile-dark);
}

.tile-dark-2 {
  background: var(--tile-dark-2);
}

.tile-dark-3 {
  color: #ffffff;
  background: #252527;
}

.hero-tile {
  gap: 56px;
  align-content: center;
  text-align: center;
}

.tile-copy,
.section-header {
  width: min(100%, var(--content));
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.29;
}

.tile-dark .eyebrow,
.tile-dark-2 .eyebrow,
.tile-dark-3 .eyebrow {
  color: var(--dark-muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  font-weight: 600;
  line-height: 1.07;
  letter-spacing: 0;
}

h1 {
  font-size: 56px;
}

h2 {
  font-size: 40px;
  line-height: 1.1;
}

h3 {
  font-size: 24px;
  line-height: 1.2;
}

.lead {
  max-width: 780px;
  margin: 20px auto 0;
  color: #333333;
  font-size: 24px;
  font-weight: 300;
  line-height: 1.5;
}

.tile-dark .lead,
.tile-dark-2 .lead,
.tile-dark-3 .lead {
  color: var(--dark-muted);
}

.actions {
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  color: #ffffff;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 9999px;
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
}

.pill:hover,
.pill:active {
  transform: scale(0.95);
}

.pill-secondary {
  color: var(--blue);
  background: transparent;
}

.tile-dark .pill-secondary,
.tile-dark-2 .pill-secondary {
  color: var(--blue-dark);
  border-color: var(--blue-dark);
}

.pill-small {
  min-height: 30px;
  padding: 7px 14px;
  font-size: 14px;
}

.text-link {
  color: var(--blue);
  font-size: 17px;
}

.text-link.on-dark {
  color: var(--blue-dark);
}

.product-shot {
  width: min(100%, 1060px);
  margin: 0 auto;
}

.product-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--product-shadow);
}

.product-shot figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.feature-tile {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 64px;
  padding-left: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
  padding-right: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
}

.feature-tile .tile-copy {
  margin: 0;
  text-align: left;
}

.feature-tile .lead {
  margin-left: 0;
}

.feature-tile .actions {
  justify-content: flex-start;
}

.feature-spec {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-spec div {
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) minmax(0, 1fr);
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-spec span {
  color: var(--dark-muted);
  font-size: 14px;
}

.feature-spec strong {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.19;
}

.light-spec {
  color: var(--ink);
  border-top-color: var(--hairline);
}

.light-spec div {
  border-bottom-color: var(--hairline);
}

.light-spec span {
  color: var(--muted);
}

.section-header {
  margin-bottom: 48px;
}

.section-header h2 {
  max-width: 760px;
  margin: 0 auto;
}

.section-header-dark h2 {
  color: #ffffff;
}

.utility-grid,
.knowledge-row {
  display: grid;
  width: min(100%, var(--wide));
  margin: 0 auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.utility-card {
  min-height: 285px;
  padding: 24px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 18px;
}

.utility-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.utility-card h3 {
  margin-top: 48px;
}

.utility-card h3 a:hover {
  color: var(--blue);
}

.utility-card p {
  margin: 18px 0 0;
  color: #333333;
}

.identity-tile {
  gap: 56px;
}

.identity-copy .lead {
  max-width: 900px;
}

.identity-grid {
  display: grid;
  width: min(100%, var(--wide));
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--hairline);
  background: var(--canvas);
}

.identity-grid div {
  min-height: 310px;
  padding: 28px;
  border-right: 1px solid var(--hairline);
}

.identity-grid div:last-child {
  border-right: 0;
}

.identity-grid span {
  color: var(--blue);
  font-size: 12px;
}

.identity-grid strong {
  display: block;
  margin-top: 74px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.16;
}

.identity-grid p {
  margin: 18px 0 0;
  color: #333333;
}

.thyself-tile {
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 1.08fr);
  gap: 64px;
  padding-left: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
  padding-right: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
}

.thyself-copy {
  width: 100%;
}

.thyself-copy .lead {
  margin-left: 0;
}

.thyself-copy .actions {
  justify-content: flex-start;
}

.web-showcase {
  width: 100%;
}

.web-showcase img {
  max-height: 560px;
  border: 1px solid var(--hairline);
  object-fit: cover;
  object-position: center top;
}

.case-points.light-points {
  border-top-color: var(--hairline);
}

.case-points.light-points div {
  border-bottom-color: var(--hairline);
}

.case-points.light-points dt {
  color: var(--muted);
}

.case-points.light-points dd {
  color: var(--ink);
}

.heritage-tile {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 64px;
  padding-left: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
  padding-right: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
}

.video-showcase {
  width: 100%;
  max-width: 780px;
}

.video-showcase iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--black);
  border: 0;
  box-shadow: var(--product-shadow);
}

.heritage-copy {
  width: 100%;
}

.heritage-copy .lead {
  margin-left: 0;
}

.heritage-copy .actions {
  justify-content: flex-start;
}

.case-points {
  display: grid;
  gap: 0;
  margin: 44px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.case-points div {
  display: grid;
  grid-template-columns: minmax(88px, 0.32fr) minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.case-points dt,
.case-points dd {
  margin: 0;
}

.case-points dt {
  color: var(--dark-muted);
  font-size: 14px;
}

.case-points dd {
  color: #ffffff;
  font-size: 17px;
}

.system-tile {
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  gap: 64px;
  padding-left: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
  padding-right: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
}

.system-tile .tile-copy {
  text-align: left;
}

.system-tile .lead {
  margin-left: 0;
}

.process-list {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--hairline);
}

.process-list div {
  min-height: 260px;
  padding: 24px;
  border-right: 1px solid var(--hairline);
}

.process-list div:last-child {
  border-right: 0;
}

.process-list span {
  color: var(--blue);
  font-size: 12px;
}

.process-list strong {
  display: block;
  margin-top: 48px;
  font-size: 17px;
  font-weight: 600;
}

.process-list p {
  margin: 16px 0 0;
  color: #333333;
  font-size: 14px;
}

.knowledge-row a {
  min-height: 240px;
  padding: 24px;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.knowledge-row strong,
.knowledge-row span {
  display: block;
}

.knowledge-row strong {
  font-size: 21px;
  font-weight: 600;
}

.knowledge-row span {
  margin-top: 70px;
  color: var(--dark-muted);
}

.subpage-hero {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 64px;
  padding-left: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
  padding-right: max(22px, calc((100vw - var(--wide)) / 2 + 72px));
}

.subpage-hero .tile-copy {
  margin: 0;
  text-align: left;
}

.subpage-hero .lead {
  margin-left: 0;
}

.subpage-hero .actions {
  justify-content: flex-start;
}

.site-footer {
  justify-content: center;
  gap: 28px;
  padding: 64px 22px;
  color: var(--muted);
  background: var(--parchment);
  font-size: 12px;
  line-height: 1;
}

.site-footer a {
  color: #333333;
}

@media (max-width: 1068px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 34px;
  }

  .lead {
    font-size: 21px;
  }

  .feature-tile,
  .thyself-tile,
  .heritage-tile,
  .system-tile,
  .subpage-hero {
    grid-template-columns: 1fr;
  }

  .utility-grid,
  .knowledge-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .identity-grid,
  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .identity-grid div {
    border-bottom: 1px solid var(--hairline);
  }

  .identity-grid div:nth-child(2) {
    border-right: 0;
  }

  .process-list div {
    border-bottom: 1px solid var(--hairline);
  }
}

@media (max-width: 640px) {
  :root {
    --subnav-height: auto;
    --subnav-offset: 123px;
  }

  .site-header {
    padding-inline: 14px;
  }

  .site-nav {
    gap: 14px;
  }

  .site-nav a:nth-child(2),
  .site-nav a:nth-child(3) {
    display: none;
  }

  .sub-nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    height: auto;
    padding: 12px 14px;
  }

  .sub-nav div {
    flex-wrap: wrap;
    gap: 12px;
  }

  .tile,
  .feature-tile,
  .thyself-tile,
  .heritage-tile,
  .system-tile,
  .subpage-hero {
    min-height: auto;
    padding: 48px 14px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 30px;
  }

  .lead {
    font-size: 17px;
    font-weight: 400;
  }

  .hero-tile {
    gap: 40px;
  }

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

  .pill {
    width: 100%;
  }

  .product-shot img {
    max-height: 420px;
  }

  .feature-spec div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .case-points div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .utility-grid,
  .knowledge-row,
  .identity-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .utility-card,
  .knowledge-row a,
  .identity-grid div,
  .process-list div {
    min-height: auto;
  }

  .identity-grid div {
    border-right: 0;
  }

  .identity-grid strong {
    margin-top: 44px;
    font-size: 21px;
  }

  .process-list div {
    border-right: 0;
  }

  .knowledge-row span {
    margin-top: 28px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 419px) {
  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 28px;
  }
}

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

  .pill:hover,
  .pill:active {
    transform: none;
  }
}