:root {
  color-scheme: dark;
  --ink: #f4f8f9;
  --muted: #9dabad;
  --quiet: #667477;
  --night: #071013;
  --panel: #0b1518;
  --line: rgba(204, 235, 241, 0.14);
  --cyan: #63d4eb;
  --cyan-soft: #a9e8f3;
  --header-height: 84px;
  --gutter: clamp(24px, 6vw, 92px);
  --content: 1440px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--night);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--night);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--night);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand img {
  width: 31px;
  height: auto;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 42px);
  color: #c5d0d2;
  font-size: 14px;
}

nav a {
  transition: color 180ms ease;
}

nav a:hover,
nav a:focus-visible {
  color: #fff;
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(300px, 0.8fr) minmax(480px, 1.2fr);
  align-items: center;
  gap: clamp(30px, 6vw, 100px);
  overflow: hidden;
  padding: calc(var(--header-height) + 40px) var(--gutter) 64px;
  background:
    radial-gradient(circle at 72% 40%, rgba(61, 194, 220, 0.13), transparent 34%),
    linear-gradient(115deg, #071013 18%, #091518 66%, #071013 100%);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 100% 7px;
  opacity: 0.3;
}

.hero-glow {
  position: absolute;
  right: 2vw;
  bottom: -20vh;
  width: 62vw;
  height: 62vw;
  border-radius: 50%;
  background: rgba(61, 209, 238, 0.08);
  filter: blur(80px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 590px;
}

.eyebrow,
.section-label {
  margin: 0 0 24px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(86px, 10vw, 172px);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.hero-line {
  margin: clamp(28px, 5vh, 58px) 0 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(28px, 3vw, 48px);
  font-weight: 300;
  letter-spacing: -0.045em;
  line-height: 1.3;
}

.hero-intro {
  max-width: 520px;
  margin: 22px 0 0;
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(15px, 1.35vw, 19px);
  font-weight: 300;
  line-height: 1.8;
}

.hero-actions,
.final-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button-primary {
  background: var(--cyan);
  box-shadow: 0 12px 36px rgba(66, 203, 229, 0.14);
  color: #031012;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 42px rgba(66, 203, 229, 0.22);
}

.text-link {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: #dbe4e6;
  font-size: 14px;
  transition: border-color 180ms ease, color 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.hero-product {
  position: relative;
  z-index: 1;
  width: min(100%, 820px);
  margin: 7vh 0 0 auto;
  perspective: 1500px;
}

.device-frame {
  overflow: hidden;
  width: min(100%, 710px);
  height: min(78vh, 820px);
  margin-left: auto;
  border: 1px solid rgba(194, 229, 236, 0.24);
  border-radius: 28px;
  background: #091114;
  box-shadow: 0 42px 100px rgba(0, 0, 0, 0.48), 0 0 80px rgba(73, 209, 235, 0.08);
  transform: rotateY(-8deg) rotateX(2deg);
  transform-origin: 50% 50%;
  transition: transform 500ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-product:hover .device-frame {
  transform: rotateY(-2deg) rotateX(0);
}

.device-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.hero-product figcaption {
  margin: 16px 2px 0;
  color: var(--quiet);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: right;
}

.scroll-cue {
  position: absolute;
  z-index: 4;
  bottom: 32px;
  left: var(--gutter);
  display: grid;
  width: 32px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.scroll-cue span {
  width: 3px;
  height: 8px;
  border-radius: 99px;
  background: var(--cyan);
  animation: scroll-pulse 1.8s ease-in-out infinite;
}

.section {
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(100px, 13vw, 190px) var(--gutter);
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(120px, 0.28fr) minmax(380px, 0.72fr);
  column-gap: clamp(30px, 7vw, 120px);
}

.manifesto-copy h2,
.proof-copy h2,
.today-heading h2,
.final-copy h2 {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(42px, 5.4vw, 78px);
  font-weight: 300;
  letter-spacing: -0.055em;
  line-height: 1.18;
}

.manifesto-copy > p,
.proof-copy > p,
.today-heading > p {
  max-width: 650px;
  margin: 32px 0 0;
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 300;
  line-height: 1.9;
}

.flow {
  grid-column: 2;
  margin: clamp(70px, 10vw, 130px) 0 0;
  padding: 0;
  list-style: none;
}

.flow li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
}

.flow li:last-child {
  border-bottom: 1px solid var(--line);
}

.flow-number {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.flow h3 {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(23px, 2.5vw, 34px);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.flow p {
  margin: 10px 0 0;
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.7;
}

.workspace {
  position: relative;
  overflow: hidden;
  min-height: 115vh;
  background: #050b0d;
}

.workspace-copy {
  position: absolute;
  z-index: 2;
  top: clamp(70px, 9vw, 130px);
  left: var(--gutter);
  width: min(630px, 48vw);
}

.workspace-copy h2 {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(38px, 4.3vw, 66px);
  font-weight: 300;
  letter-spacing: -0.05em;
  line-height: 1.2;
}

.workspace-stage {
  position: sticky;
  top: 0;
  display: grid;
  min-height: 100svh;
  place-items: end center;
  padding: 27vh var(--gutter) 0;
  background:
    radial-gradient(circle at 50% 80%, rgba(72, 206, 232, 0.12), transparent 38%),
    #050b0d;
}

.workspace-image {
  width: min(1050px, 82vw);
  max-height: 76vh;
  border: 1px solid rgba(180, 224, 232, 0.2);
  border-bottom: 0;
  border-radius: 30px 30px 0 0;
  object-fit: cover;
  object-position: top;
  box-shadow: 0 0 90px rgba(42, 188, 217, 0.09);
  transform: translateY(var(--workspace-lift, 9%)) scale(var(--workspace-scale, 0.92));
  transform-origin: bottom;
  transition: transform 80ms linear;
}

.proof-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: clamp(50px, 9vw, 140px);
}

.proof-copy h2 {
  font-size: clamp(40px, 4.5vw, 66px);
}

.proof-visual {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

.proof-visual img {
  width: 100%;
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.proof-visual:hover img {
  transform: scale(1.018);
}

.today {
  border-top: 1px solid var(--line);
}

.today-heading {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: clamp(30px, 8vw, 120px);
}

.today-heading h2 {
  font-size: clamp(42px, 5vw, 72px);
}

.today-heading > p {
  margin: 0 0 8px;
}

.status-list {
  margin-top: clamp(70px, 9vw, 120px);
}

.status-row {
  display: grid;
  grid-template-columns: 0.4fr 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.status-row:last-child {
  border-bottom: 1px solid var(--line);
}

.status-row > span {
  color: var(--quiet);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.status-row strong {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: clamp(18px, 2vw, 27px);
  font-weight: 400;
}

.status-row em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.status-row .status-live {
  color: var(--cyan);
}

.final-cta {
  position: relative;
  display: grid;
  min-height: 86svh;
  place-items: center;
  overflow: hidden;
  padding: 120px var(--gutter);
  background: #061114;
  text-align: center;
}

.cta-orb {
  position: absolute;
  width: min(70vw, 980px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(73, 211, 238, 0.15), rgba(73, 211, 238, 0.03) 42%, transparent 68%);
  animation: orb-breathe 7s ease-in-out infinite;
}

.final-copy {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.final-copy > img {
  width: 76px;
  margin: 0 auto 36px;
}

.final-copy p {
  margin: 26px 0 0;
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 300;
}

.final-actions {
  justify-content: center;
}

.final-actions span {
  color: var(--quiet);
  font-size: 13px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  min-height: 130px;
  padding: 30px var(--gutter);
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 12px;
}

footer p {
  margin: 0;
}

footer p:last-child {
  justify-self: end;
}

.footer-brand {
  color: var(--ink);
  font-size: 15px;
}

.footer-brand img {
  width: 27px;
}

.hero-reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: hero-in 700ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero-reveal:nth-child(2) { animation-delay: 90ms; }
.hero-reveal:nth-child(3) { animation-delay: 180ms; }
.hero-reveal:nth-child(4) { animation-delay: 270ms; }
.hero-reveal:nth-child(5) { animation-delay: 360ms; }

.hero-product.hero-reveal {
  animation-delay: 240ms;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes hero-in {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scroll-pulse {
  0%, 100% { transform: translateY(-5px); opacity: 0.45; }
  50% { transform: translateY(5px); opacity: 1; }
}

@keyframes orb-breathe {
  0%, 100% { transform: scale(0.94); opacity: 0.7; }
  50% { transform: scale(1.06); opacity: 1; }
}

@media (max-width: 980px) {
  :root { --header-height: 72px; }

  .site-header nav a:not(.nav-cta) { display: none; }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 50px;
    padding-top: calc(var(--header-height) + 74px);
    padding-bottom: 110px;
  }

  .hero-copy { max-width: 700px; }
  .hero h1 { font-size: clamp(82px, 20vw, 138px); }
  .hero-product { width: min(88%, 670px); margin: 0 auto; }
  .device-frame { height: min(72vh, 760px); transform: rotateY(-3deg); }
  .scroll-cue { display: none; }

  .manifesto { grid-template-columns: 1fr; }
  .manifesto-copy, .flow { grid-column: 1; }
  .manifesto .section-label { margin-bottom: 42px; }

  .workspace-copy { width: calc(100% - var(--gutter) * 2); }
  .workspace-stage { padding-top: 33vh; }
  .workspace-image { width: 92vw; }

  .proof-grid { grid-template-columns: 1fr; }
  .proof-visual { width: min(76vw, 610px); margin-left: auto; }

  .today-heading { grid-template-columns: 1fr; }
  .today-heading > p { margin-top: 22px; }
}

@media (max-width: 640px) {
  :root { --gutter: 22px; }

  .site-header { padding: 0 var(--gutter); }
  .brand { font-size: 16px; }
  .brand img { width: 28px; }
  .nav-cta { padding: 8px 13px; }

  .hero {
    gap: 42px;
    padding-top: 118px;
    padding-bottom: 76px;
  }

  .hero h1 { font-size: clamp(76px, 25vw, 108px); }
  .hero-line { margin-top: 30px; font-size: 30px; }
  .hero-intro { font-size: 15px; line-height: 1.75; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; margin-top: 30px; }
  .button { min-height: 48px; }
  .hero-product { width: 100%; }
  .device-frame { height: min(66vh, 650px); border-radius: 18px; transform: none; }
  .hero-product figcaption { text-align: left; }

  .section { padding-top: 96px; padding-bottom: 96px; }
  .section-label { margin-bottom: 35px; }
  .manifesto-copy h2, .proof-copy h2, .today-heading h2, .final-copy h2 { font-size: 40px; }
  .manifesto-copy > p, .proof-copy > p, .today-heading > p { font-size: 16px; line-height: 1.78; }

  .flow { margin-top: 65px; }
  .flow li { grid-template-columns: 44px 1fr; gap: 10px; }
  .flow h3 { font-size: 23px; }

  .workspace { min-height: 100svh; }
  .workspace-copy { top: 74px; }
  .workspace-copy h2 { font-size: 38px; }
  .workspace-stage { min-height: 100svh; padding: 40vh 0 0 22px; place-items: end start; }
  .workspace-image { width: 145vw; max-width: none; max-height: 59vh; object-position: left top; }

  .proof-visual { width: 100%; border-radius: 18px; }

  .status-row { grid-template-columns: 1fr auto; gap: 8px 20px; padding: 25px 0; }
  .status-row > span { grid-column: 1; }
  .status-row strong { grid-column: 1; grid-row: 2; font-size: 19px; }
  .status-row em { grid-column: 2; grid-row: 1 / span 2; }

  .final-cta { min-height: 78svh; padding-top: 90px; padding-bottom: 90px; }
  .final-copy > img { width: 60px; }
  .final-copy p { font-size: 16px; line-height: 1.7; }
  .final-actions { flex-direction: column; gap: 20px; }

  footer { grid-template-columns: 1fr auto; }
  footer > p:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .hero-reveal { opacity: 1; transform: none; }
  .workspace-image { transform: none; }
}