:root {
  --paper: #fbf8f4;
  --paper-soft: #f3efea;
  --ink: #050505;
  --muted: #6f6a65;
  --line: rgba(0, 0, 0, 0.26);
  --line-soft: rgba(0, 0, 0, 0.12);
  --blue: #4a77ff;
  --green: #1f8f68;
  --red: #d0504f;
  --panel: rgba(255, 255, 255, 0.62);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
  font-family:
    "MiSans", "Noto Sans SC", "Microsoft YaHei UI", "PingFang SC",
    "Helvetica Neue", Arial, sans-serif;
}

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

button {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
.product-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 64px;
  align-items: center;
  height: 64px;
  padding: 0 32px;
  background: rgba(251, 248, 244, 0.92);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(14px);
}

.brand {
  font-size: 25px;
  font-weight: 800;
}

.nav {
  display: flex;
  gap: 42px;
  align-items: center;
  font-size: 15px;
  font-weight: 700;
}

.nav a,
.nav-cta {
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.nav a:hover,
.nav-cta:hover {
  color: var(--blue);
}

.nav-cta {
  justify-self: end;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid transparent;
  font-size: 28px;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 64px));
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(251, 248, 244, 0.72);
  pointer-events: none;
}

.hero-asset {
  position: absolute;
  top: 8%;
  right: -4%;
  bottom: 12%;
  width: 68%;
  height: 80%;
  object-fit: cover;
  object-position: center;
  opacity: 0.34;
  filter: saturate(0.7) contrast(0.94);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1120px;
  min-height: calc(min(760px, 100vh - 64px) - 72px);
  padding: 104px 8vw 128px;
}

.eyebrow {
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.hero h1 {
  max-width: 1120px;
  margin: 0;
  font-size: clamp(58px, 6.5vw, 96px);
  line-height: 1.06;
  font-weight: 900;
  overflow-wrap: break-word;
}

.hero-subtitle {
  max-width: 760px;
  margin: 34px 0 0;
  font-size: 23px;
  line-height: 1.64;
  color: #211f1c;
  font-weight: 600;
}

.hero-rail {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  background: rgba(251, 248, 244, 0.82);
  backdrop-filter: blur(12px);
}

.hero-rail span {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 0 32px;
  border-right: 1px solid var(--line-soft);
  color: #3a3632;
  font-size: 15px;
  font-weight: 800;
}

.hero-rail b {
  margin-right: 10px;
  color: var(--muted);
  font-size: 13px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.product-card {
  position: relative;
  min-height: 250px;
  padding: 28px 36px 34px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.product-card:last-child {
  border-right: 0;
}

.product-card:hover {
  background: rgba(255, 255, 255, 0.62);
}

.product-card.is-selected {
  background: rgba(255, 255, 255, 0.7);
}

.product-card.is-selected::after {
  content: "";
  position: absolute;
  left: 36px;
  right: 36px;
  bottom: 0;
  height: 4px;
  background: var(--blue);
}

.card-index {
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 700;
}

.product-card h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.18;
}

.card-label {
  margin: 0 0 14px;
  color: #948f89;
  font-size: 14px;
  font-weight: 900;
}

.card-desc {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.split-section {
  display: grid;
  grid-template-columns: 32% 1fr;
  min-height: 230px;
  padding: 72px 6.5vw;
  border-bottom: 1px solid var(--line);
}

.section-title h2,
.pipeline-head h2,
.deploy-band h2 {
  margin: 0;
  font-size: 60px;
  line-height: 1.1;
  font-weight: 900;
}

.section-copy {
  display: flex;
  align-items: center;
}

.section-copy p,
.pipeline-head p,
.deploy-band p {
  max-width: 860px;
  margin: 0;
  color: #26221f;
  font-size: 24px;
  line-height: 1.72;
}

.experience-list,
.research-list {
  border-bottom: 1px solid var(--line);
}

.experience-row,
.research-list article {
  display: grid;
  grid-template-columns: 120px 1fr 120px;
  align-items: center;
  min-height: 148px;
  border-bottom: 1px solid var(--line);
}

.experience-row:last-child,
.research-list article:last-child {
  border-bottom: 0;
}

.experience-row > span,
.research-list span {
  align-self: stretch;
  display: grid;
  place-items: center;
  color: #96918c;
  border-right: 1px solid var(--line);
  font-size: 24px;
}

.experience-row > div,
.research-list div {
  padding: 36px 48px;
}

.experience-row h3,
.research-list h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 32px;
  line-height: 1.26;
  font-weight: 700;
}

.experience-row p {
  max-width: 900px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.experience-row strong,
.research-list b {
  align-self: stretch;
  display: grid;
  place-items: center;
  border-left: 1px solid var(--line);
  font-size: 34px;
  font-weight: 400;
}

.detail-band {
  display: grid;
  grid-template-columns: 310px 1fr;
  min-height: 500px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 64px;
}

.detail-nav {
  display: grid;
  align-content: stretch;
  border-right: 1px solid var(--line);
}

.detail-tab {
  min-height: 112px;
  padding: 0 32px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 22px;
  font-weight: 800;
  cursor: pointer;
}

.detail-tab:last-child {
  border-bottom: 0;
}

.detail-tab.is-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.5);
}

.detail-panel {
  padding: 78px 8vw 84px;
  background: var(--panel);
}

.panel-kicker {
  margin: 0 0 28px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 800;
}

.detail-panel h2 {
  max-width: 820px;
  margin: 0;
  font-size: 54px;
  line-height: 1.14;
}

.detail-panel p {
  max-width: 900px;
  margin: 26px 0 0;
  color: #2a2622;
  font-size: 21px;
  line-height: 1.76;
}

.detail-panel ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 0;
  margin: 46px 0 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.detail-panel li {
  min-height: 124px;
  padding: 24px;
  background: var(--paper);
  color: #24201e;
  font-size: 16px;
  line-height: 1.6;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.metrics-strip div {
  min-height: 170px;
  padding: 30px 36px;
  border-right: 1px solid var(--line);
}

.metrics-strip div:last-child {
  border-right: 0;
}

.metrics-strip span {
  display: block;
  font-size: 62px;
  line-height: 1;
  font-weight: 900;
}

.metrics-strip p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.pipeline-band {
  padding: 78px 6.5vw 86px;
  border-bottom: 1px solid var(--line);
}

.pipeline-head {
  display: grid;
  grid-template-columns: 42% 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 58px;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
}

.pipeline article {
  min-height: 240px;
  padding: 28px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.2);
}

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

.pipeline span {
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.pipeline h3 {
  margin: 42px 0 14px;
  font-size: 28px;
}

.pipeline p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.66;
}

.research-list h3 {
  max-width: 900px;
}

.research-list time {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
}

.deploy-band {
  padding: 82px 6.5vw 92px;
  border-bottom: 1px solid var(--line);
}

.deploy-band p {
  margin-top: 28px;
}

.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 58px;
  border: 1px solid var(--line);
}

.deploy-grid div {
  min-height: 135px;
  padding: 26px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.28);
}

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

.deploy-grid span {
  display: block;
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
}

.deploy-grid strong {
  display: block;
  margin-top: 34px;
  font-size: 26px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 32px;
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

@media (max-width: 1080px) {
  .hero {
    min-height: 680px;
  }

  .hero-asset {
    top: 10%;
    right: -22%;
    width: 92%;
    height: 72%;
    opacity: 0.22;
  }

  .hero-copy {
    min-height: 600px;
    padding: 88px 7vw 126px;
  }

  .hero h1 {
    font-size: 72px;
  }

  .product-grid,
  .metrics-strip,
  .pipeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card:nth-child(2),
  .metrics-strip div:nth-child(2),
  .pipeline article:nth-child(2),
  .pipeline article:nth-child(4) {
    border-right: 0;
  }

  .product-card:nth-child(-n + 2),
  .metrics-strip div:nth-child(-n + 2),
  .pipeline article:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .pipeline article:nth-child(4) {
    border-bottom: 1px solid var(--line);
  }

  .pipeline article:nth-child(3) {
    border-right: 1px solid var(--line);
  }

  .split-section,
  .pipeline-head {
    grid-template-columns: 1fr;
  }

  .detail-band {
    grid-template-columns: 1fr;
  }

  .detail-nav {
    grid-template-columns: repeat(4, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .detail-tab {
    min-height: 82px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    text-align: center;
  }

  .detail-tab:last-child {
    border-right: 0;
  }
}

@media (max-width: 720px) {
  .topbar {
    grid-template-columns: 1fr 44px;
    height: 58px;
    padding: 0 18px;
  }

  .brand {
    font-size: 21px;
  }

  .nav {
    display: none;
  }

  .nav-cta {
    width: 38px;
    height: 38px;
    font-size: 24px;
  }

  .hero {
    min-height: 660px;
  }

  .hero::after {
    background: rgba(251, 248, 244, 0.84);
  }

  .hero-asset {
    top: 70px;
    right: auto;
    left: -52%;
    width: 190%;
    height: 58%;
    opacity: 0.16;
  }

  .hero-copy {
    min-height: 570px;
    padding: 82px 24px 150px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.14;
  }

  .hero-subtitle {
    max-width: 330px;
    font-size: 17px;
    line-height: 1.72;
  }

  .hero-rail span {
    flex: 1 1 50%;
    min-height: 50px;
    padding: 0 18px;
    font-size: 14px;
  }

  .product-grid,
  .metrics-strip,
  .pipeline,
  .deploy-grid {
    grid-template-columns: 1fr;
  }

  .product-card,
  .metrics-strip div,
  .pipeline article,
  .deploy-grid div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-card:last-child,
  .metrics-strip div:last-child,
  .pipeline article:last-child,
  .deploy-grid div:last-child {
    border-bottom: 0;
  }

  .product-card {
    min-height: 210px;
    padding: 26px 24px 30px;
  }

  .product-card.is-selected::after {
    left: 24px;
    right: 24px;
  }

  .split-section,
  .pipeline-band,
  .deploy-band {
    padding: 54px 24px;
  }

  .section-title h2,
  .pipeline-head h2,
  .deploy-band h2 {
    font-size: 42px;
  }

  .section-copy p,
  .pipeline-head p,
  .deploy-band p {
    font-size: 19px;
  }

  .experience-row,
  .research-list article {
    grid-template-columns: 72px 1fr 70px;
  }

  .experience-row > div,
  .research-list div {
    padding: 28px 22px;
  }

  .experience-row h3,
  .research-list h3 {
    font-size: 25px;
  }

  .experience-row p {
    font-size: 15px;
  }

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

  .detail-tab {
    min-height: 70px;
    font-size: 17px;
  }

  .detail-tab:nth-child(2) {
    border-right: 0;
  }

  .detail-tab:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .detail-panel {
    padding: 46px 24px 54px;
  }

  .detail-panel h2 {
    font-size: 34px;
  }

  .detail-panel p {
    font-size: 17px;
  }

  .detail-panel ul {
    grid-template-columns: 1fr;
  }

  .metrics-strip span {
    font-size: 50px;
  }

  .footer {
    display: grid;
    padding: 26px 24px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 17px;
  }

  .product-card h2 {
    font-size: 25px;
  }

  .experience-row,
  .research-list article {
    grid-template-columns: 58px 1fr 54px;
  }

  .experience-row > span,
  .research-list span {
    font-size: 18px;
  }

  .experience-row strong,
  .research-list b {
    font-size: 26px;
  }
}