/* ViewEra: precise type, mineral blue, calm space. No external assets. */
:root {
  font:
    100%/1.5 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Microsoft YaHei",
    sans-serif;
  font-optical-sizing: auto;
  color: #171b23;
  background: #fafbfc;
  --ink: #171b23;
  --muted: #697383;
  --blue: #3b68d9;
  --line: #e3e7ee;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
input,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  touch-action: manipulation;
}
button,
a {
  outline-offset: 5px;
}
button:focus-visible,
a:focus-visible {
  outline: 3px solid #5f89e8;
}
button:active,
.button:active {
  transform: scale(0.975);
  transition: transform 100ms ease-out;
}
[hidden] {
  display: none !important;
}
svg {
  display: block;
}
main:focus {
  outline: 0;
}
.wrap {
  width: min(1200px, 100%);
  margin-inline: auto;
  padding-inline: 44px;
}
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fafbfce8;
  backdrop-filter: blur(18px);
  transition: box-shadow 0.2s;
}
.scrolled {
  box-shadow: 0 5px 24px #1b2c4310;
}
.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 23px;
  font-weight: 650;
  letter-spacing: -1px;
  white-space: nowrap;
}
.brand svg {
  width: 28px;
  height: 28px;
  color: var(--blue);
}
.navlinks {
  display: flex;
  gap: 22px;
  margin-left: auto;
}
.navlinks a {
  font-size: 12px;
  padding: 15px 0;
  color: #727b88;
  transition: color 150ms;
}
.navlinks a:hover,
.navlinks a.active {
  color: var(--ink);
}
.navlinks a.active {
  position: relative;
}
.navlinks a.active:after {
  content: "";
  position: absolute;
  width: 3px;
  height: 3px;
  bottom: 7px;
  left: 50%;
  border-radius: 50%;
  background: var(--blue);
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 15px;
}
.language {
  border: 0;
  background: transparent;
  font-size: 11px;
  min-height: 44px;
  padding: 8px;
  color: #75808e;
  white-space: nowrap;
}
.language i {
  font-style: normal;
  opacity: 0.4;
  margin: 0 9px;
}
.language .selected {
  color: #222b3c;
  font-weight: 600;
}
.menu-button {
  display: none;
}
.eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.9px;
  color: #707c8d;
  text-transform: uppercase;
  margin: 0 0 22px;
}
.hero {
  padding: 72px 0 0;
  overflow: hidden;
  background: radial-gradient(
    ellipse 55% 27% at 50% 62%,
    #e2e9fa85,
    transparent
  );
}
.hero-copy {
  text-align: center;
  padding: 0 24px;
}
.hero h1 {
  font-size: clamp(64px, 7.5vw, 102px);
  line-height: 1.02;
  letter-spacing: -0.065em;
  font-weight: 600;
  margin: 0 0 27px;
}
.hero h1 span {
  background: linear-gradient(115deg, #3658a2, #487ae6 70%, #6c8ece);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 19px;
  font-weight: 450;
  letter-spacing: -0.45px;
  margin: 0 0 11px;
  color: #454f60;
}
.hero-description {
  font-size: 14px;
  line-height: 1.8;
  color: #7b8594;
  margin: 0;
}
.actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin-top: 30px;
}
.button {
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  gap: 26px;
  justify-content: space-between;
  align-items: center;
  min-height: 47px;
  padding: 13px 20px;
  background: var(--blue);
  color: white;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 3px 5px #3b68d912;
  transition:
    transform 0.2s var(--ease),
    background 0.2s;
}
.button:hover {
  background: #2d59c7;
  transform: translateY(-2px);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 17px;
  font-size: 12px;
  min-height: 44px;
  color: #4a566b;
}
.text-link:hover {
  color: var(--blue);
}
.text-link span {
  transition: transform 0.2s;
}
.text-link:hover span {
  transform: translate(2px, -2px);
}
.hero-entrance {
  animation: arrive 0.7s var(--ease) both;
}
.hero h1 {
  animation-delay: 70ms;
}
.hero-sub {
  animation-delay: 110ms;
}
.hero-description {
  animation-delay: 150ms;
}
.actions.hero-entrance {
  animation-delay: 180ms;
}
.showcase {
  margin-top: 64px;
}
.showcase-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px 18px;
  text-align: left;
}
.showcase-caption .eyebrow {
  font-size: 8px;
  letter-spacing: 1.5px;
  margin: 0 0 5px;
}
.showcase-caption p {
  font-size: 11px;
  color: #667386;
  margin: 0;
}
.preview-button {
  background: none;
  border: 0;
  font-size: 10px;
  color: #617087;
  min-height: 44px;
  padding: 10px 0 10px 15px;
}
.preview-button span {
  font-size: 16px;
  margin-left: 9px;
}
.product-stage {
  position: relative;
  border-radius: 21px;
  padding: 9px;
  background: linear-gradient(135deg, #66738c, #27324a 45%, #495873);
  box-shadow:
    0 26px 65px #253b6929,
    0 1px 0 #fff inset;
  transform-origin: center bottom;
}
.product-image {
  width: 100%;
  display: block;
  border-radius: 13px;
}
.demo {
  border: 1px solid #5b667a;
  border-radius: 13px;
  overflow: hidden;
  text-align: left;
  color: #e0e7f4;
  background: #121b2b;
}
.demo-window {
  height: 43px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 18px;
  border-bottom: 1px solid #ffffff0a;
  background: #182232;
  font-size: 10px;
  color: #a3afc2;
  position: relative;
}
.demo-window > b,
.demo-window b {
  font-weight: 400;
  color: #576479;
  padding: 0 6px;
}
.window-controls {
  display: flex;
  gap: 6px;
}
.window-controls i {
  height: 6px;
  width: 6px;
  border-radius: 50%;
  background: #455167;
}
.demo-window > span:nth-child(2) {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.window-mode {
  font-size: 8px;
  color: #8090a6;
}
.demo-workspace {
  display: grid;
  grid-template-columns: 104px 1fr;
  min-height: 474px;
}
.demo-sidebar {
  border-right: 1px solid #ffffff08;
  background: #101928;
  padding: 28px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  font-size: 17px;
  color: #60738f;
  align-items: center;
}
.studio-symbol {
  font-size: 25px;
  color: #91b0e5;
  margin-bottom: 22px;
}
.side-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  padding: 9px 2px;
  border-radius: 8px;
}
.side-item span {
  font-size: 8px;
}
.side-item.active {
  color: #9fbbef;
  background: #4d76be16;
}
.side-bottom {
  margin-top: auto;
}
.demo-content {
  padding: 27px 30px 16px;
  min-width: 0;
}
.demo-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.demo-kicker {
  font-size: 8px;
  letter-spacing: 0.6px;
  color: #7e90ad;
  margin: 0 0 8px;
}
.demo-heading h3 {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.6px;
  margin: 0;
}
.demo-indicator {
  font-size: 8px;
  letter-spacing: 0.2px;
  color: #94accd;
  display: flex;
  align-items: center;
  gap: 6px;
}
.demo-indicator:before {
  content: "";
  width: 4px;
  height: 4px;
  background: #8ba8d3;
  border-radius: 50%;
}
.demo-tabs {
  display: flex;
  gap: 6px;
  margin-top: 20px;
}
.demo-tabs button {
  background: transparent;
  border: 0;
  color: #8395b0;
  font-size: 9px;
  border-radius: 6px;
  padding: 8px 14px;
  min-height: 35px;
  transition:
    background 0.15s,
    color 0.15s;
}
.demo-tabs button[aria-pressed="true"] {
  color: #dce8fb;
  background: #ffffff09;
}
.demo-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.2fr;
  border-top: 1px solid #ffffff0a;
  border-bottom: 1px solid #ffffff0a;
  margin-top: 13px;
  padding: 18px 0;
  gap: 20px;
}
.demo-metrics > div > span {
  display: block;
  font-size: 8px;
  color: #8a9bb6;
}
.demo-metrics strong {
  display: block;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -1px;
  margin-top: 10px;
  font-variant-numeric: tabular-nums;
}
.demo-metrics strong small {
  font-size: 10px;
  color: #8a9cb8;
  letter-spacing: 0;
  margin-left: 6px;
}
.metric-spark {
  color: #729bdb;
  align-self: center;
}
.metric-spark .trend-chart {
  height: 53px;
}
.demo-flow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 8px;
  color: #8294b0;
  padding: 20px 0 18px;
}
.demo-flow i {
  font-style: normal;
  opacity: 0.4;
}
.demo-flow .active {
  color: #a6c4f4;
}
.tankgrid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 9px;
}
.tank {
  border: 1px solid #ffffff0b;
  border-radius: 7px;
  background: #192638;
  padding: 9px 10px;
  color: #91a6c2;
  transition:
    background 0.18s,
    border-color 0.18s,
    transform 0.18s;
}
.tank:hover {
  background: #20314b;
  border-color: #5776a9;
}
.tank.selected {
  border-color: #668ac4;
  background: #20314b;
}
.tank-id {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  letter-spacing: 0.6px;
}
.tank-id i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #7c9dc9;
  align-self: center;
}
.vessel {
  position: relative;
  display: block;
  border: 1px solid #516d92;
  border-top: 0;
  height: 26px;
  border-radius: 0 0 6px 6px;
  margin: 7px 9px 6px;
  overflow: hidden;
}
.vessel span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 62%;
  background: linear-gradient(#446e9c55, #446e9c11);
  border-top: 1px solid #6f9fce70;
  transition: height 0.4s var(--ease);
}
.tank.selected .vessel span {
  height: 76%;
}
.tank-value {
  font-size: 9px;
  font-variant-numeric: tabular-nums;
  color: #b6c7df;
}
.tank-value small {
  font-size: 7px;
  color: #839abc;
}
.demo-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 13px;
  gap: 12px;
}
.demo-bottom > span {
  font-size: 8px;
  color: #7e91af;
}
.demo-play {
  font-size: 8px;
  border: 1px solid #ffffff14;
  background: transparent;
  color: #a4b8d5;
  border-radius: 6px;
  padding: 6px 11px;
  min-height: 30px;
  white-space: nowrap;
}
.demo-play span {
  font-size: 11px;
}
.demo-play:hover {
  background: #ffffff08;
}
.concept-note {
  text-align: center;
  color: #7b8698;
  font-size: 10px;
  line-height: 1.8;
  margin: 20px 0 0;
}
.trend-panel {
  min-height: 165px;
  color: #789fda;
  padding: 10px 0 0;
}
.trend-label,
.trend-axis {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  color: #849ab9;
}
.trend-label {
  margin-bottom: 6px;
}
.trend-panel > .trend-chart {
  height: 105px;
  width: 100%;
}
.trend-axis {
  font-size: 7px;
  opacity: 0.8;
}
.trend-select {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin-top: 8px;
}
.trend-select button {
  font-size: 8px;
  min-height: 30px;
  min-width: 30px;
  color: #8c9fba;
  background: transparent;
  border: 1px solid #ffffff0d;
  border-radius: 4px;
}
.trend-select button[aria-pressed="true"] {
  background: #304a72;
  color: #d8e7ff;
  border-color: #6b8fc5;
}
.plot-path {
  animation: chart-appear 0.4s ease-out both;
}
section {
  padding-block: 110px;
}
.hero {
  padding-bottom: 40px;
}
.section-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
  margin-bottom: 60px;
}
h2 {
  font-size: clamp(35px, 4vw, 53px);
  line-height: 1.1;
  letter-spacing: -0.045em;
  font-weight: 550;
  margin: 0;
}
h2 span {
  color: #909aaa;
}
.bodycopy {
  font-size: 14px;
  line-height: 1.9;
  color: #737e8e;
  max-width: 470px;
  margin: 22px 0;
}
.section-intro > .bodycopy {
  max-width: 335px;
  margin: 0;
}
.principle-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}
.principle-pair article {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 35px;
}
.principle-pair h3 {
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.6px;
  margin: 26px 0 12px;
}
.principle-pair p {
  font-size: 13px;
  color: #7a8493;
  line-height: 1.9;
  max-width: 390px;
}
.process-illustration {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  background: linear-gradient(130deg, #f2f5fa, #f9fafc);
  border-radius: 15px;
}
.process-illustration span {
  width: 45px;
  height: 51px;
  border: 1px solid #9eafd0;
  border-radius: 3px 3px 11px 11px;
  background: linear-gradient(0deg, #d7e2f4 0 65%, transparent 65%);
  box-shadow: 0 7px 12px #3c5c9120;
}
.process-illustration span:nth-last-child(1) {
  background: linear-gradient(0deg, #e4eaf5 0 45%, transparent 45%);
}
.process-illustration i {
  width: 22px;
  border-top: 1px solid #c4cee0;
}
.focus-illustration {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  background: linear-gradient(130deg, #f2f5fa, #f9fafc);
  border-radius: 15px;
}
.focus-illustration > span {
  font-size: 45px;
  font-weight: 300;
  letter-spacing: -3px;
  color: #6983b0;
}
.focus-illustration small {
  font-size: 12px;
  letter-spacing: 0;
  margin-left: 6px;
}
.focus-illustration i {
  width: 80px;
  height: 45px;
  border-top: 2px solid #84a1cb;
  border-radius: 50%;
  transform: rotate(-17deg);
}
.connection-section {
  background: #f0f3f8;
}
.architecture {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 65px;
  align-items: center;
}
.architecture-visual {
  height: 340px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.orbit {
  position: absolute;
  border: 1px solid #d5deec;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.orbit-one {
  height: 260px;
  width: 260px;
}
.orbit-two {
  height: 390px;
  width: 390px;
  opacity: 0.5;
}
.arch-nodes {
  display: flex;
  align-items: center;
  z-index: 1;
  width: 100%;
  justify-content: space-between;
}
.arch-node {
  height: 130px;
  width: 130px;
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 9px;
  background: #f6f8fb;
  border: 1px solid #d6dfed;
  border-radius: 18px;
  box-shadow: 0 12px 24px #657b9c08;
  transition:
    transform 0.35s var(--ease),
    background 0.3s,
    border-color 0.3s,
    color 0.3s;
  color: #788da9;
}
.arch-node svg {
  height: 35px;
  width: 35px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.3;
}
.arch-node > span {
  font-size: 10px;
}
.arch-node > small {
  position: absolute;
  top: 10px;
  left: 12px;
  font-size: 7px;
  color: #8f9db3;
}
.arch-node.active {
  color: #4c75b9;
  background: #fff;
  border-color: #8ca6d0;
  box-shadow: 0 15px 35px #48699516;
  transform: translateY(-7px);
}
.arch-node:hover {
  border-color: #8ca6d0;
}
.arch-connector {
  height: 1px;
  background: #b7c9e0;
  width: 100%;
  position: relative;
}
.arch-connector i {
  position: absolute;
  left: 40%;
  width: 12px;
  height: 3px;
  top: -1px;
  background: #688cc4;
  opacity: 0.6;
  transition: transform 0.3s;
}
.architecture:has(.arch-node:active) .arch-connector i {
  transform: translateX(16px);
}
.architecture-base {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #dce3ef;
  padding-top: 18px;
}
.architecture-base span:first-child {
  font-size: 13px;
  letter-spacing: 3px;
  color: #7185a7;
}
.architecture-base span:last-child {
  font-size: 8px;
  color: #8493aa;
}
.layer-detail {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.layer-detail .eyebrow {
  font-size: 8px;
  margin-bottom: 20px;
}
.layer-detail h3 {
  font-size: 29px;
  font-weight: 500;
  letter-spacing: -1px;
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 320px;
}
.layer-detail > p:not(.eyebrow) {
  font-size: 13px;
  line-height: 1.9;
  color: #738198;
  margin: 0;
  max-width: 340px;
}
.layer-meta {
  font-size: 9px;
  color: #8296b5;
  margin-top: 27px;
}
.changed {
  animation: detail-appear 0.3s var(--ease);
}
.section-end {
  text-align: right;
  margin-top: 35px;
}
.brand-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}
.brand-visual {
  height: 390px;
  background: linear-gradient(140deg, #e7edf7, #f6f8fb 70%);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 22px;
  color: #7791ba;
}
.brand-visual svg {
  height: 140px;
  width: 140px;
}
.brand-visual > span {
  font-size: 27px;
  font-weight: 500;
  letter-spacing: -1.3px;
}
.brand-story h2 {
  font-size: 43px;
}
.brand-story .text-link {
  margin-top: 15px;
}
.cta {
  text-align: center;
  background: #fff;
  border-top: 1px solid #e9edf3;
  padding: 95px 0;
}
.cta h2 {
  font-size: 64px;
  letter-spacing: -3px;
}
.cta p:not(.eyebrow) {
  font-size: 13px;
  color: #7d8796;
  margin: 25px 0 30px;
}
.cta .button {
  min-width: 145px;
}
footer {
  background: #f4f6f9;
  padding: 65px 0 20px;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.1fr 1.5fr 0.7fr;
  gap: 45px;
}
.footer-manifesto {
  font-size: 18px;
  letter-spacing: -0.4px;
  line-height: 1.3;
  color: #99a3b2;
  margin: 22px 0;
}
.footer-product {
  padding-top: 5px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.footer-product .eyebrow {
  font-size: 8px;
  margin: 0;
  letter-spacing: 1px;
}
.footer-product > span:nth-child(2) {
  font-size: 12px;
  color: #65758c;
}
.footer-product > p {
  font-size: 10px;
  color: #8d98a9;
  max-width: 255px;
  line-height: 1.9;
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px 30px;
  font-size: 10px;
  color: #7b8799;
  align-content: start;
}
.footer-links a {
  padding: 4px 0;
}
.footer-bottom {
  border-top: 1px solid #e1e6ef;
  margin-top: 35px;
  padding-top: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #8c97a6;
  font-size: 9px;
}
.page-hero {
  padding-top: 95px;
  padding-bottom: 68px;
}
.page-hero h1 {
  font-size: clamp(50px, 6vw, 78px);
  letter-spacing: -0.055em;
  line-height: 1.08;
  font-weight: 550;
  margin: 0 0 28px;
}
.page-hero h1 span {
  color: #8b99af;
}
.page-hero .bodycopy {
  max-width: 620px;
  font-size: 15px;
}
.platform-body {
  padding-top: 0;
}
.architecture-note {
  color: #7e8999;
  font-size: 11px;
  line-height: 1.9;
  max-width: 800px;
  margin: 45px 0 85px;
  border-left: 2px solid #c6d3e9;
  padding-left: 20px;
}
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
}
.principles article {
  border-top: 1px solid var(--line);
  padding-top: 25px;
}
.number {
  font-size: 10px;
  letter-spacing: 1px;
  color: #9aa9bd;
}
.principles h3 {
  font-size: 20px;
  letter-spacing: -0.6px;
  font-weight: 500;
  margin: 25px 0 16px;
}
.principles p {
  font-size: 12px;
  line-height: 1.9;
  color: #7a8699;
}
.product-platform {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 95px;
  align-items: center;
  padding-top: 15px;
}
.platform-monogram {
  font-size: 90px;
  font-weight: 500;
  letter-spacing: -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #6381ad;
  background: linear-gradient(140deg, #edf2fa, #fafbfc);
  border: 1px solid #e2e8f2;
  border-radius: 25px;
  height: 300px;
  box-shadow: 0 20px 45px #304c7310;
}
.platform-monogram span {
  font-size: 8px;
  letter-spacing: 3px;
  margin-top: 10px;
}
.product-platform h2 {
  font-size: 39px;
}
.studio-section {
  background: #f0f3f8;
}
.studio-section .showcase {
  margin-top: 0;
}
.studio-traits {
  display: flex;
  justify-content: center;
  gap: 45px;
  margin-top: 40px;
  color: #7c8ca4;
  font-size: 11px;
}
.studio-traits span:before {
  content: "✧";
  margin-right: 10px;
  color: #7c96be;
}
.technology {
  padding-top: 0;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
}
.tech {
  border-top: 1px solid var(--line);
  padding-top: 25px;
  display: flex;
  flex-direction: column;
}
.tech h2 {
  font-size: 24px;
  margin: 25px 0 16px;
  letter-spacing: -0.6px;
}
.tech p {
  font-size: 12px;
  color: #79869a;
  line-height: 1.9;
  margin: 0 0 25px;
}
.tech-status {
  font-size: 9px;
  color: #94a3b9;
  margin-top: auto;
}
.vision-body {
  padding-top: 0;
}
.vision-lines {
  max-width: 830px;
  margin: auto;
}
.vision-lines article {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 30px;
  border-top: 1px solid var(--line);
  padding: 38px 0;
}
.vision-lines h2 {
  font-size: 32px;
  letter-spacing: -1px;
}
.vision-lines p {
  font-size: 13px;
  color: #7b8799;
  line-height: 1.9;
  max-width: 620px;
  margin-top: 18px;
}
.future-statement {
  text-align: center;
  padding-top: 110px;
}
.future-statement h2 {
  font-size: 70px;
}
.contact-section {
  padding-top: 0;
  padding-bottom: 110px;
}
.contact-panel {
  border-radius: 25px;
  padding: 60px;
  background: linear-gradient(135deg, #f0f4fb, #fff);
  border: 1px solid #e1e7f2;
}
.contact-panel > svg {
  height: 50px;
  width: 50px;
  color: #86a1ca;
  margin-bottom: 45px;
}
.contact-panel h2 {
  font-size: 37px;
}
.contact-panel .actions {
  justify-content: start;
}
.contact-empty {
  font-size: 16px;
  color: #6c7f9d;
  margin-top: 30px;
}
.contact-panel .bodycopy {
  font-size: 12px;
}
.contact-email {
  display: block;
  font-size: 24px;
  color: #557cb9;
  margin-top: 25px;
}
.text-button {
  background: transparent;
  border: 0;
  font-size: 12px;
  min-height: 44px;
  padding: 8px;
}
.skip {
  position: absolute;
  top: -100px;
  left: 15px;
  background: white;
  padding: 15px;
  z-index: 80;
}
.skip:focus {
  top: 10px;
}
dialog {
  width: min(1240px, 96vw);
  max-height: 94vh;
  border: 1px solid #455777;
  border-radius: 20px;
  background: #101a2b;
  padding: 52px 20px 20px;
  color: white;
  box-shadow: 0 30px 100px #0007;
}
dialog::backdrop {
  background: #0b1427c9;
  backdrop-filter: blur(7px);
}
dialog .concept-note {
  color: #90a2be;
}
dialog .demo-workspace {
  min-height: 480px;
}
.close {
  position: absolute;
  right: 15px;
  top: 5px;
  border: 0;
  background: transparent;
  color: #b1c2dc;
  width: 44px;
  height: 44px;
  font-size: 28px;
}
.reveal-ready {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal-ready.in-view {
  opacity: 1;
  transform: none;
}
.showcase.reveal-ready {
  transform: translateY(30px) scale(0.985);
}
.showcase.in-view {
  transform: none;
}
@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes detail-appear {
  from {
    opacity: 0.45;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes chart-appear {
  from {
    opacity: 0.5;
  }
  to {
    opacity: 1;
  }
}
html[lang="zh-CN"] h1 {
  letter-spacing: -0.045em;
  line-height: 1.16;
}
html[lang="zh-CN"] .hero h1 {
  font-size: clamp(55px, 6.5vw, 86px);
}
html[lang="zh-CN"] h2 {
  letter-spacing: -0.035em;
  line-height: 1.25;
}
html[lang="zh-CN"] .hero-sub {
  font-size: 19px;
}
html[lang="zh-CN"] .eyebrow {
  letter-spacing: 1.3px;
}
@media (min-width: 1600px) {
  .wrap {
    max-width: 1280px;
  }
  .hero {
    padding-top: 90px;
  }
  .hero h1 {
    font-size: 112px;
  }
  .demo-workspace {
    min-height: 505px;
  }
  .demo-content {
    padding: 30px 35px 20px;
  }
  .vessel {
    height: 33px;
  }
}
@media (max-width: 1050px) {
  .wrap {
    padding-inline: 30px;
  }
  .navlinks {
    gap: 22px;
  }
  .nav {
    gap: 20px;
  }
  .architecture {
    gap: 35px;
    grid-template-columns: 1.3fr 1fr;
  }
  .arch-node {
    height: 105px;
    width: 105px;
    border-radius: 15px;
  }
  .layer-detail h3 {
    font-size: 26px;
  }
  .demo-workspace {
    grid-template-columns: 78px 1fr;
    min-height: 450px;
  }
  .demo-content {
    padding: 23px;
  }
  .demo-metrics {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .metric-spark {
    display: none;
  }
  .brand-story {
    gap: 55px;
  }
  .section-intro {
    gap: 40px;
  }
  .product-platform {
    gap: 50px;
  }
  .navlinks a {
    font-size: 11px;
  }
  .demo-metrics strong {
    font-size: 28px;
  }
}
@media (max-width: 760px) {
  .wrap {
    padding-inline: 22px;
  }
  .nav {
    height: 68px;
    gap: 20px;
  }
  .brand {
    font-size: 22px;
  }
  .navlinks {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    padding: 20px 26px;
    background: #fafbfc;
    box-shadow: 0 15px 20px #172b4210;
    flex-direction: column;
    gap: 0;
  }
  .navlinks.open {
    display: flex;
  }
  .navlinks a {
    font-size: 16px;
    min-height: 48px;
    padding: 12px 0;
  }
  .navlinks a.active:after {
    display: none;
  }
  .nav-tools {
    gap: 14px;
  }
  .language {
    font-size: 11px;
  }
  .menu-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 0;
    align-items: center;
  }
  .menu-button i {
    width: 18px;
    height: 1px;
    background: #536174;
    transition: transform 0.2s;
  }
  .menu-button.open i:first-child {
    transform: translateY(3px) rotate(45deg);
  }
  .menu-button.open i:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }
  .hero {
    padding-top: 60px;
  }
  .hero h1 {
    font-size: clamp(58px, 11vw, 78px);
    letter-spacing: -0.06em;
  }
  .hero .eyebrow {
    font-size: 8px;
    letter-spacing: 1.4px;
  }
  .hero-sub {
    font-size: 16px;
    max-width: 340px;
    margin: 0 auto 13px;
  }
  .hero-description {
    font-size: 12px;
  }
  .actions {
    gap: 22px;
    margin-top: 25px;
  }
  .button,
  .text-link {
    font-size: 11px;
  }
  .button {
    min-height: 46px;
    gap: 18px;
    padding: 12px 17px;
  }
  .showcase {
    margin-top: 50px;
  }
  .showcase-caption {
    padding-bottom: 12px;
    gap: 12px;
  }
  .showcase-caption .eyebrow {
    font-size: 7px;
  }
  .showcase-caption p {
    font-size: 9px;
    max-width: 240px;
  }
  .preview-button {
    font-size: 9px;
    white-space: nowrap;
    padding-left: 5px;
  }
  .preview-button span {
    margin-left: 5px;
  }
  .product-stage {
    padding: 5px;
    border-radius: 14px;
    box-shadow: 0 20px 40px #253b6920;
  }
  .demo {
    border-radius: 9px;
  }
  .demo-window {
    height: 33px;
    font-size: 8px;
    padding: 0 10px;
  }
  .window-mode {
    font-size: 6px;
  }
  .window-controls {
    gap: 4px;
  }
  .window-controls i {
    height: 4px;
    width: 4px;
  }
  .demo-workspace {
    grid-template-columns: 1fr;
    min-height: 450px;
  }
  .demo-sidebar {
    display: none;
  }
  .demo-content {
    padding: 18px 16px 12px;
  }
  .demo-heading h3 {
    font-size: 17px;
  }
  .demo-kicker {
    font-size: 7px;
    margin-bottom: 6px;
  }
  .demo-indicator {
    font-size: 7px;
  }
  .demo-tabs {
    margin-top: 16px;
  }
  .demo-tabs button {
    min-height: 38px;
    font-size: 9px;
    padding: 8px 14px;
  }
  .demo-metrics {
    gap: 10px;
    padding: 16px 0;
  }
  .demo-metrics strong {
    font-size: 25px;
    margin-top: 8px;
  }
  .demo-metrics > div > span {
    font-size: 7px;
  }
  .demo-metrics strong small {
    font-size: 8px;
    margin-left: 5px;
  }
  .demo-flow {
    padding: 16px 0;
    gap: 5px;
    font-size: 7px;
  }
  .demo-flow i {
    font-size: 6px;
  }
  .tankgrid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }
  .tank {
    padding: 8px 9px;
    min-height: 67px;
  }
  .tank-id {
    font-size: 7px;
  }
  .vessel {
    height: 18px;
    margin: 5px 4px;
  }
  .tank-value {
    font-size: 8px;
  }
  .tank-value small {
    font-size: 6px;
  }
  .demo-bottom > span {
    font-size: 7px;
    max-width: 180px;
  }
  .demo-play {
    min-height: 38px;
    font-size: 8px;
  }
  .trend-select {
    flex-wrap: wrap;
    justify-content: start;
  }
  .trend-select button {
    min-width: 38px;
    min-height: 38px;
    font-size: 9px;
  }
  .trend-panel > .trend-chart {
    height: 145px;
  }
  .trend-panel {
    min-height: 210px;
  }
  .concept-note {
    font-size: 8px;
    max-width: 430px;
    margin: 16px auto 0;
  }
  .section-intro {
    display: block;
    margin-bottom: 35px;
  }
  h2 {
    font-size: 38px;
  }
  .section-intro > .bodycopy {
    max-width: 100%;
    margin-top: 25px;
    font-size: 13px;
  }
  .bodycopy {
    font-size: 13px;
  }
  section {
    padding-block: 75px;
  }
  .hero {
    padding-bottom: 0;
  }
  .principle-pair {
    gap: 35px;
  }
  .principle-pair h3 {
    font-size: 20px;
  }
  .principle-pair p {
    font-size: 12px;
  }
  .process-illustration {
    gap: 8px;
  }
  .process-illustration span {
    width: 30px;
    height: 39px;
  }
  .process-illustration i {
    width: 10px;
  }
  .focus-illustration {
    gap: 15px;
  }
  .focus-illustration > span {
    font-size: 34px;
  }
  .focus-illustration i {
    width: 50px;
    height: 30px;
  }
  .architecture {
    display: block;
  }
  .architecture-visual {
    height: 285px;
    max-width: 580px;
    margin: auto;
  }
  .arch-node {
    width: 110px;
    height: 115px;
  }
  .arch-node svg {
    height: 32px;
    width: 32px;
  }
  .orbit-one {
    height: 220px;
    width: 220px;
  }
  .orbit-two {
    height: 350px;
    width: 350px;
  }
  .layer-detail {
    min-height: 250px;
    padding-top: 40px;
  }
  .layer-detail h3 {
    font-size: 29px;
    max-width: 100%;
  }
  .layer-detail > p:not(.eyebrow) {
    max-width: 100%;
  }
  .layer-meta {
    margin-top: 18px;
  }
  .section-end {
    text-align: left;
    margin-top: 10px;
  }
  .brand-story {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .brand-visual {
    height: 300px;
  }
  .brand-visual svg {
    height: 100px;
    width: 100px;
  }
  .brand-story h2 {
    font-size: 39px;
  }
  .cta {
    padding-block: 75px;
  }
  .cta h2 {
    font-size: 52px;
    letter-spacing: -2px;
  }
  .cta p:not(.eyebrow) {
    font-size: 12px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .footer-links {
    grid-column: 1/-1;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  .footer-product > p {
    font-size: 9px;
  }
  .footer-product .eyebrow {
    font-size: 7px;
  }
  .footer-product > span:nth-child(2) {
    font-size: 10px;
  }
  .footer-bottom {
    gap: 20px;
    font-size: 8px;
  }
  .footer-bottom .language {
    font-size: 9px;
  }
  .footer-manifesto {
    font-size: 17px;
  }
  .page-hero {
    padding-top: 65px;
    padding-bottom: 45px;
  }
  .page-hero h1 {
    font-size: clamp(43px, 8vw, 60px);
  }
  .page-hero .bodycopy {
    font-size: 13px;
  }
  .page-hero .eyebrow {
    font-size: 8px;
  }
  .platform-body {
    padding-top: 0;
  }
  .architecture-note {
    font-size: 10px;
    margin: 35px 0 55px;
  }
  .principles {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .principles h3 {
    margin: 18px 0 10px;
  }
  .product-platform {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 0;
  }
  .platform-monogram {
    height: 250px;
    font-size: 85px;
  }
  .product-platform h2 {
    font-size: 35px;
  }
  .studio-traits {
    gap: 15px;
    font-size: 9px;
    flex-wrap: wrap;
    margin-top: 30px;
  }
  .studio-traits span:before {
    margin-right: 5px;
  }
  .tech-grid {
    grid-template-columns: 1fr 1fr;
    gap: 35px 25px;
  }
  .tech h2 {
    font-size: 21px;
  }
  .tech p {
    font-size: 11px;
  }
  .vision-lines article {
    grid-template-columns: 28px 1fr;
    gap: 15px;
    padding: 30px 0;
  }
  .vision-lines h2 {
    font-size: 27px;
  }
  .vision-lines p {
    font-size: 12px;
  }
  .future-statement {
    padding-top: 60px;
  }
  .future-statement h2 {
    font-size: 49px;
  }
  .contact-panel {
    padding: 35px 25px;
  }
  .contact-panel h2 {
    font-size: 30px;
  }
  .contact-empty {
    font-size: 14px;
  }
  .contact-email {
    font-size: 20px;
  }
  .contact-panel > svg {
    height: 40px;
    width: 40px;
    margin-bottom: 35px;
  }
  .contact-section {
    padding-bottom: 75px;
  }
  dialog {
    padding: 50px 8px 15px;
    border-radius: 14px;
  }
  dialog .demo-workspace {
    min-height: 470px;
  }
  .close {
    right: 8px;
    top: 3px;
  }
  .architecture-base span:last-child {
    font-size: 7px;
  }
  html[lang="zh-CN"] .hero h1 {
    font-size: clamp(49px, 9.8vw, 67px);
  }
  html[lang="zh-CN"] .hero-sub {
    font-size: 17px;
  }
}
@media (max-width: 420px) {
  .wrap {
    padding-inline: 18px;
  }
  .hero {
    padding-top: 48px;
  }
  .hero h1 {
    font-size: 58px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-description {
    font-size: 11px;
  }
  .hero .eyebrow {
    font-size: 7px;
  }
  .showcase-caption p {
    max-width: 175px;
  }
  .demo-content {
    padding: 16px 12px 12px;
  }
  .demo-window > span:nth-child(2) {
    left: 42%;
  }
  .window-mode {
    font-size: 5px;
  }
  .demo-heading h3 {
    font-size: 15px;
  }
  .demo-indicator {
    font-size: 6px;
  }
  .demo-metrics strong {
    font-size: 23px;
  }
  .demo-flow {
    font-size: 6px;
  }
  .demo-bottom > span {
    max-width: 160px;
    font-size: 6px;
  }
  .arch-node {
    height: 100px;
    width: 91px;
    border-radius: 13px;
  }
  .arch-node > span {
    font-size: 9px;
  }
  .arch-node svg {
    height: 29px;
    width: 29px;
  }
  .arch-node > small {
    font-size: 6px;
  }
  .principle-pair {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .process-illustration {
    gap: 15px;
  }
  .process-illustration span {
    width: 43px;
    height: 44px;
  }
  .process-illustration i {
    width: 23px;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .footer-product {
    padding-top: 0;
  }
  .footer-links {
    gap: 21px;
  }
  .footer-product > p {
    max-width: 100%;
  }
  .footer-manifesto {
    margin-bottom: 0;
  }
  h2 {
    font-size: 34px;
  }
  .hero-copy {
    padding-inline: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal-ready,
  .showcase.reveal-ready {
    opacity: 1;
    transform: none;
  }
  .arch-node.active {
    transform: none;
  }
}
@media (prefers-reduced-transparency: reduce) {
  header {
    background: #fafbfc;
    backdrop-filter: none;
  }
  dialog::backdrop {
    background: #101a2bef;
    backdrop-filter: none;
  }
}
@media (prefers-contrast: more) {
  :root {
    --muted: #3b475a;
    --line: #8795ac;
  }
  .bodycopy,
  .hero-description,
  .concept-note,
  .tech p,
  .layer-detail > p:not(.eyebrow) {
    color: #46546a;
  }
  .arch-node {
    border-color: #6e86ab;
  }
  .demo {
    border-color: #a6bbd9;
  }
  header {
    background: #fafbfc;
    backdrop-filter: none;
  }
  .navlinks a,
  .footer-links {
    color: #394b67;
  }
}

/* Product disclosure follows the existing navigation materials and typography. */
.products-nav > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 15px 0;
  font-size: 12px;
  color: #727b88;
}
.products-nav > summary::-webkit-details-marker {
  display: none;
}
.products-nav > summary::after {
  content: "";
  width: 5px;
  height: 5px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}
.products-nav[open] > summary::after {
  transform: rotate(225deg) translate(-1px, -1px);
}
.products-nav > summary:hover,
.products-nav > summary.active,
.products-nav[open] > summary {
  color: var(--ink);
}
.products-nav > summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 5px;
  border-radius: 3px;
}
.product-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fafbfc;
  border-top: 1px solid #e9edf0;
  border-bottom: 1px solid #e1e7e9;
  padding: 32px 0 42px;
  box-shadow: 0 18px 24px #172b420c;
  animation: product-menu-in 0.18s ease-out;
}
.product-submenu-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: #77838b;
  font-size: 11px;
  margin-bottom: 22px;
}
.product-submenu-heading a {
  padding: 10px 0;
  min-height: 44px;
  color: #4a6550;
}
.product-submenu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 70px;
  max-width: 820px;
}
.product-submenu-grid a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  min-height: 58px;
}
.product-submenu-grid strong {
  color: var(--ink);
  font-size: 24px;
  letter-spacing: -0.035em;
  font-weight: 550;
  line-height: 1.2;
}
.product-submenu-grid small {
  color: #77838b;
  font-size: 12px;
  line-height: 1.5;
}
.product-submenu-grid a:hover strong {
  color: #4a6550;
}
.product-submenu a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 5px;
  border-radius: 3px;
}
@keyframes product-menu-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (max-width: 760px) {
  .navlinks {
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .products-nav > summary {
    font-size: 16px;
    min-height: 48px;
    padding: 12px 0;
    justify-content: space-between;
  }
  .product-submenu {
    position: static;
    padding: 6px 0 20px 16px;
    border: 0;
    box-shadow: none;
    animation: none;
  }
  .product-submenu > .wrap {
    padding: 0;
  }
  .product-submenu-heading {
    margin-bottom: 12px;
    gap: 10px;
  }
  .product-submenu-heading a {
    font-size: 12px;
    padding: 10px 0;
  }
  .product-submenu-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .product-submenu-grid a {
    padding: 8px 0;
    min-height: 60px;
    gap: 5px;
  }
  .product-submenu-grid strong {
    font-size: 18px;
  }
  .product-submenu-grid small {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .product-submenu {
    animation: none;
  }
}
@media (prefers-contrast: more) {
  .products-nav > summary,
  .product-submenu-grid small,
  .product-submenu-heading {
    color: var(--ink);
  }
}

/* Continuous hover area from the navigation item into the expanded panel. */
.products-nav {
  align-self: stretch;
  display: flex;
  align-items: center;
}
.products-nav > summary {
  height: 100%;
}
@media (max-width: 760px) {
  .products-nav {
    display: block;
    align-self: auto;
  }
  .products-nav > summary {
    height: auto;
  }
}

#plc-studio,
#hub-desktop,
#hub-mobile {
  scroll-margin-top: 100px;
}