:root {
  --blue: #0b4ea2;
  --cyan: #00a3e0;
  --ink: #071728;
  --muted: #64717e;
  --mist: #f1f4f6;
  --white: #fff;
  --line: rgba(7, 23, 40, 0.15);
  --ease: cubic-bezier(0.2, 0.72, 0.2, 1);
  --pad: clamp(22px, 5vw, 80px);
}
.scroll-progress {
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}
.product-nav {
  position: sticky;
  z-index: 10;
  top: 82px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
}
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
.timeline article,
.principles article,
.process-steps span {
  transition:
    transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}
.timeline article:hover,
.principles article:hover,
.process-steps span:hover {
  transform: translateY(-5px);
  border-color: var(--cyan);
  box-shadow: 0 18px 44px rgba(5, 25, 44, 0.1);
}
@media (max-width: 700px) {
  .page-hero h1 {
    font-size: clamp(40px, 13vw, 62px);
  }
  .page-hero-copy {
    padding-bottom: 56px;
  }
  .product-nav {
    top: 68px;
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  .product-nav a {
    white-space: nowrap;
  }
  .section {
    padding: 76px 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-progress {
    display: none;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
button,
input,
textarea {
  font: inherit;
}
.shell {
  width: min(1320px, calc(100% - var(--pad) * 2));
  margin-inline: auto;
}
.display {
  font-family: "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: -0.045em;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 17px;
  color: var(--blue);
  font:
    700 11px "Arial Narrow",
    sans-serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.eyebrow:before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.85s var(--ease),
    transform 0.85s var(--ease);
}
.reveal.shown {
  opacity: 1;
  transform: none;
}
.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 88px;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: 0.4s var(--ease);
}
.site-header.scrolled,
.site-header.open,
.site-header.inner {
  height: 72px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.nav {
  height: 100%;
  display: grid;
  grid-template-columns: 210px 1fr 150px;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  width: max-content;
}
.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}
.brand-copy {
  display: grid;
  line-height: 1.05;
}
.brand-copy b {
  font:
    700 15px "Arial Narrow",
    sans-serif;
  letter-spacing: 0.12em;
}
.brand-copy small {
  margin-top: 5px;
  font-size: 9px;
  letter-spacing: 0.08em;
  opacity: 0.72;
}
.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2vw, 36px);
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-links a {
  position: relative;
  display: grid;
  place-items: center;
  height: 100%;
  font-size: 13px;
}
.nav-links a:after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: 0.3s;
}
.nav-links a:hover:after,
.nav-links a.active:after {
  left: 0;
  width: 100%;
}
.nav-action {
  justify-self: end;
  font:
    11px "Arial Narrow",
    sans-serif;
  letter-spacing: 0.14em;
}
.menu-toggle {
  display: none;
  border: 0;
  background: none;
  color: inherit;
  font-size: 23px;
}
.page-hero {
  position: relative;
  height: min(62svh, 650px);
  min-height: 460px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
}
.page-hero-media {
  position: absolute;
  inset: 0;
}
.page-hero-media:after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 15, 29, 0.24), rgba(3, 15, 29, 0.76)),
    linear-gradient(90deg, rgba(3, 15, 29, 0.5), transparent 70%);
}
body[data-page="technology"] .page-hero-media:after {
  background:
    linear-gradient(180deg, rgba(3, 15, 29, 0.78) 0, rgba(3, 15, 29, 0.28) 38%, rgba(3, 15, 29, 0.82) 100%),
    linear-gradient(90deg, rgba(3, 15, 29, 0.58), transparent 72%);
}
.page-hero-media img {
  animation: slowPush 10s var(--ease) both;
}
.page-hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(54px, 8vw, 100px);
}
.page-hero .eyebrow {
  color: #8adefa;
}
.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(46px, 7vw, 96px);
  line-height: 0.98;
}
.page-hero p:last-child {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 16px;
  line-height: 1.8;
}
.section {
  padding: clamp(90px, 10vw, 150px) 0;
}
.section.mist {
  background: var(--mist);
}
.section.dark {
  color: #fff;
  background: var(--ink);
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 50px;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 70px);
  line-height: 1;
}
.section-head > p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}
.dark .section-head > p {
  color: rgba(255, 255, 255, 0.62);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-card {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  color: #fff;
  background: #ccd5db;
}
.feature-card:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 32%, rgba(3, 15, 29, 0.88));
}
.feature-card img {
  transition: transform 1.1s var(--ease);
}
.feature-card:hover img {
  transform: scale(1.055);
}
.feature-card-copy {
  position: absolute;
  z-index: 2;
  inset: auto 28px 28px;
}
.feature-card small {
  font:
    11px "Arial Narrow",
    sans-serif;
  letter-spacing: 0.18em;
  opacity: 0.65;
}
.feature-card h3 {
  margin: 12px 0 8px;
  font-size: 28px;
}
.feature-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.7;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 680px;
}
.split-media {
  min-height: 520px;
}
.split-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(50px, 8vw, 120px);
  background: var(--ink);
  color: #fff;
}
.split-copy h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1.03;
}
.split-copy > p {
  margin: 25px 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.9;
}
.data-list {
  border-top: 1px solid var(--line);
}
.data-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 29px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s;
}
.data-row:hover {
  padding-left: 12px;
}
.data-row small {
  color: var(--blue);
  font:
    11px "Arial Narrow",
    sans-serif;
  letter-spacing: 0.14em;
}
.data-row h3 {
  margin: 0;
  font-size: 22px;
}
.data-row p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}
.data-row > span {
  font-size: 24px;
}
.prose {
  max-width: 850px;
  margin: auto;
}
.prose h2 {
  margin: 55px 0 18px;
  font-size: 32px;
}
.prose p {
  color: #455462;
  font-size: 16px;
  line-height: 2;
}
.article-meta {
  display: flex;
  gap: 20px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(50px, 9vw, 140px);
}
.contact-info h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 70px);
  line-height: 1;
}
.contact-info p {
  color: var(--muted);
  line-height: 1.9;
}
.contact-lines {
  margin-top: 45px;
  border-top: 1px solid var(--line);
}
.contact-lines div {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field {
  display: grid;
  gap: 8px;
}
.field.full {
  grid-column: 1/-1;
}
.field label {
  font-size: 12px;
  color: var(--muted);
}
.field input,
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 16px 0;
  background: transparent;
  outline: none;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--blue);
}
.field textarea {
  min-height: 130px;
  resize: vertical;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  height: 54px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  transition: 0.3s;
}
.button:hover {
  background: var(--blue);
  border-color: var(--blue);
  transform: translateY(-2px);
}
.cms-state {
  padding: 18px 0;
  color: var(--muted);
  font-size: 13px;
}
footer {
  padding: 68px var(--pad) 28px;
  color: #c0cad3;
  background: #030e19;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 50px;
  padding-bottom: 55px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
}
.footer-col h4 {
  margin: 0 0 22px;
  color: #fff;
  font-size: 13px;
}
.footer-col a {
  display: block;
  margin: 12px 0;
  color: #8998a4;
  font-size: 12px;
}
.copyright {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  color: #62717e;
  font-size: 11px;
}
@keyframes slowPush {
  from {
    transform: scale(1.1);
  }
  to {
    transform: scale(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}
@media (max-width: 900px) {
  .nav {
    grid-template-columns: 180px 1fr 70px;
  }
  .nav-links {
    gap: 12px;
  }
  .nav-links a {
    font-size: 11px;
  }
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
  .split {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}
@media (max-width: 700px) {
  .site-header,
  .site-header.inner {
    height: 68px;
  }
  .site-header.scrolled,
  .site-header.open {
    height: 64px;
  }
  .nav {
    display: flex;
    justify-content: space-between;
  }
  .menu-toggle {
    display: block;
  }
  .nav-action {
    display: none;
  }
  .nav-links {
    position: fixed;
    inset: 64px 0 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: auto;
    padding: 25px var(--pad);
    background: #fff;
    color: var(--ink);
    transform: translateX(100%);
    transition: 0.4s var(--ease);
  }
  .open .nav-links {
    transform: none;
  }
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--line);
  }
  .nav-links a {
    justify-content: start;
    height: 58px;
    font-size: 16px;
  }
  .page-hero {
    min-height: 520px;
  }
  .section-head {
    display: block;
  }
  .section-head > p {
    margin-top: 20px;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .feature-card {
    min-height: 390px;
  }
  .data-row {
    grid-template-columns: 72px 1fr;
  }
  .data-row > span {
    display: none;
  }
  .form {
    grid-template-columns: 1fr;
  }
  .field.full {
    grid-column: auto;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1/-1;
  }
  .copyright {
    display: block;
    line-height: 1.8;
  }
}