:root {
  --paper: #f3f5f2;
  --paper-deep: #e7ebe7;
  --ink: #111412;
  --muted: #5c655f;
  --line: #cdd3ce;
  --signal: #255cff;
  --signal-dark: #1236a6;
  --white: #ffffff;
  --page: min(1320px, calc(100vw - 64px));
  --radius: 18px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

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

.skip-link {
  position: fixed;
  z-index: 99;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header,
.hero,
.statement,
.interaction,
.hardware,
.use-cases,
.platform,
.site-footer {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.08rem;
  font-weight: 680;
  letter-spacing: -0.03em;
}

.brand-icon {
  display: block;
  width: 32px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.92rem;
  font-weight: 540;
}

.site-nav a:not(.nav-cta) {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.nav-cta {
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 999px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(500px, 1.18fr);
  min-height: calc(100vh - 88px);
  align-items: stretch;
  gap: clamp(36px, 5vw, 82px);
  padding: 44px 0 64px;
}

.hero-copy {
  align-self: center;
  padding-bottom: 0;
}

.product-type,
.section-kicker {
  margin: 0 0 26px;
  color: var(--signal-dark);
  font-size: 0.82rem;
  font-weight: 680;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(3.4rem, 5vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
  font-weight: 630;
}

.hero-summary {
  max-width: 600px;
  margin: 24px 0 0;
  color: #343b37;
  font-size: 1.08rem;
  line-height: 1.55;
  letter-spacing: -0.018em;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 14px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 640;
  transition: transform 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--signal);
}

.button-primary:hover {
  background: var(--signal-dark);
}

.text-link {
  padding-block: 8px;
  color: #373e39;
  font-size: 0.93rem;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

.hero-visual {
  position: relative;
  min-height: 620px;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #cbd0ca;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 13, 12, 0.05) 45%, rgba(10, 13, 12, 0.48));
}

.hero-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.image-label,
.prompt-sample {
  position: absolute;
  z-index: 1;
  color: var(--white);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  background: rgba(12, 16, 14, 0.68);
}

.image-label {
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 620;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7dffad;
  box-shadow: 0 0 0 4px rgba(125, 255, 173, 0.16);
}

.prompt-sample {
  right: 20px;
  bottom: 20px;
  left: 20px;
  padding: 18px 20px 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
}

.prompt-sample span {
  display: block;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.74rem;
}

.prompt-sample p {
  margin: 0;
  font-size: clamp(0.95rem, 1.3vw, 1.12rem);
  line-height: 1.35;
}

.statement {
  padding: 128px 0 136px;
  border-top: 1px solid var(--line);
}

.statement-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: clamp(48px, 9vw, 150px);
  align-items: end;
}

.statement h2,
.section-heading h2,
.hardware h2,
.platform h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5.5vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
  font-weight: 600;
}

.statement-grid > p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.interaction {
  position: relative;
  padding: 108px clamp(24px, 5vw, 76px) 76px;
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--signal);
}

.interaction .section-kicker {
  color: rgba(255, 255, 255, 0.7);
}

.interaction .section-heading {
  max-width: 760px;
}

.signal-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin: 100px 0 0;
  padding: 0;
  list-style: none;
}

.signal-flow li {
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.42);
}

.flow-number {
  display: block;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.8rem;
}

.signal-flow strong {
  font-size: 1.28rem;
  font-weight: 620;
  letter-spacing: -0.025em;
}

.signal-flow p {
  max-width: 340px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.signal-line {
  position: absolute;
  top: 68px;
  right: 4%;
  display: flex;
  height: 78px;
  align-items: center;
  gap: 7px;
  opacity: 0.35;
  transform: rotate(-7deg);
}

.signal-line span {
  width: 4px;
  height: 24px;
  border-radius: 4px;
  background: var(--white);
  animation: pulse 1.6s ease-in-out infinite alternate;
}

.signal-line span:nth-child(3n) { height: 62px; animation-delay: -0.7s; }
.signal-line span:nth-child(2n) { height: 42px; animation-delay: -1.1s; }
.signal-line span:nth-child(5n) { height: 76px; animation-delay: -0.3s; }

@keyframes pulse {
  from { transform: scaleY(0.55); }
  to { transform: scaleY(1); }
}

.hardware {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(60px, 10vw, 160px);
  padding: 152px 0;
}

.hardware-intro {
  align-self: start;
  position: sticky;
  top: 48px;
}

.hardware-intro > p:last-child {
  max-width: 520px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.hardware-list {
  margin: 0;
}

.hardware-list > div {
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
}

.hardware-list > div:last-child {
  border-bottom: 1px solid var(--line);
}

.hardware-list dt {
  display: flex;
  gap: 16px;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.2;
  font-weight: 560;
  letter-spacing: -0.04em;
}

.hardware-list dt span {
  min-width: 28px;
  padding-top: 5px;
  color: var(--signal);
  font-size: 0.76rem;
  letter-spacing: 0;
}

.hardware-list dd {
  max-width: 570px;
  margin: 14px 0 0 44px;
  color: var(--muted);
  line-height: 1.6;
}

.use-cases {
  padding: 124px 0 142px;
  border-top: 1px solid var(--line);
}

.use-cases-heading {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 60px;
  margin-bottom: 82px;
}

.use-cases-heading .section-kicker {
  padding-top: 12px;
}

.use-case-list {
  border-bottom: 1px solid var(--line);
}

.use-case-list article {
  display: grid;
  grid-template-columns: 0.65fr 1.15fr 0.2fr;
  gap: 60px;
  align-items: start;
  padding: 34px 0 40px;
  border-top: 1px solid var(--line);
}

.case-index,
.case-tag {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.case-tag {
  text-align: right;
}

.use-case-list h3 {
  margin: 0;
  font-size: clamp(1.55rem, 2.5vw, 2.3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 580;
}

.use-case-list article div p {
  max-width: 650px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.platform {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 80px;
  min-height: 540px;
  align-items: end;
  padding: 86px clamp(28px, 6vw, 90px);
  border-radius: var(--radius);
  color: var(--white);
  background: var(--ink);
}

.platform .section-kicker {
  color: #99aeff;
}

.platform h2 {
  font-size: clamp(3.3rem, 7vw, 7rem);
}

.platform-note {
  padding-bottom: 12px;
}

.platform-note p {
  margin: 0 0 30px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.05rem;
  line-height: 1.65;
}

.button-light {
  color: var(--ink);
  background: var(--white);
}

.button-light:hover {
  background: #dfe4df;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 40px;
  align-items: end;
  padding: 74px 0 48px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-brand {
  color: var(--ink);
}

.site-footer p {
  margin: 12px 0 0;
}

.company p {
  margin: 4px 0 0;
}

.copyright {
  white-space: nowrap;
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.launch-banner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 28px;
  padding: 13px 20px;
  color: var(--white);
  background: var(--signal-dark);
  font-size: 0.92rem;
}
.launch-banner p { margin: 0; }
.launch-banner a { text-decoration: underline; text-underline-offset: 4px; font-weight: 650; }
.launch-banner a:focus-visible { outline-color: var(--white); }
.button { font-family: inherit; border: 0; cursor: pointer; }
.waitlist { scroll-margin-top: 24px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.waitlist h2 { margin: 0; font-size: 1.55rem; line-height: 1.15; letter-spacing: -0.035em; }
.waitlist-intro { margin: 10px 0 20px; color: var(--muted); font-size: 0.95rem; }
.waitlist form > label:not(.consent) { display: block; margin: 14px 0 7px; font-weight: 600; font-size: 0.88rem; }
.waitlist input:not([type="checkbox"]), .waitlist textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #929d95;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  font-size: 16px;
}
.waitlist textarea { resize: vertical; min-height: 86px; }
.waitlist input::placeholder, .waitlist textarea::placeholder { color: var(--muted); }
.form-note, .privacy-note { color: var(--muted); font-size: 0.8rem; line-height: 1.5; }
.form-note { margin: 9px 0 15px; }
.form-note a, .privacy-note a { text-decoration: underline; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin: 16px 0; font-size: 0.82rem; color: #343b37; cursor: pointer; }
.consent input { flex-shrink: 0; width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--signal); }
.waitlist .button { width: 100%; }
.button:disabled { cursor: wait; opacity: 0.7; transform: none; }
.form-status { margin: 10px 0 0; font-size: 0.9rem; font-weight: 550; }
.form-status:empty { display: none; }
.form-status[data-state="error"] { color: #a52924; }
.form-status[data-state="success"] { color: #17613c; }
.privacy-note { margin-top: 14px; }
.privacy-note summary { cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.privacy-note p { margin: 8px 0 0; }
.form-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.contact {
  width: var(--page);
  margin-inline: auto;
  padding: 100px 0 70px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  border-bottom: 1px solid var(--line);
}
.contact h2 { margin: 0; font-size: clamp(2.7rem, 5vw, 4.5rem); line-height: 1; font-weight: 600; letter-spacing: -0.065em; }
.contact p { max-width: 420px; margin: 24px 0; color: var(--muted); }
.contact-email { display: inline-block; font-size: clamp(1.3rem, 3vw, 2rem); color: var(--signal-dark); text-decoration: underline; text-underline-offset: 7px; overflow-wrap: anywhere; }
.contact-address { margin-top: 28px; font-size: 0.9rem; line-height: 1.7; font-style: normal; color: var(--muted); }
.contact-address > span { display: block; margin-bottom: 8px; color: var(--ink); font-weight: 600; }
.contact-links { display: flex; align-items: center; gap: 24px; align-self: center; }
.contact-links a { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; transition: background-color 160ms ease; }
.contact-links svg { display: block; width: 30px; height: 30px; }
.contact-links a:hover { background: var(--paper-deep); }
.social-youtube { color: #ff0033; }
.social-x { color: var(--ink); }
.social-facebook { color: #1877f2; }
.social-discord { color: #5865f2; }

@media (max-width: 980px) {
  :root {
    --page: min(100% - 40px, 760px);
  }

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

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 52px;
    padding-top: 48px;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-visual {
    min-height: 68vw;
    max-height: 700px;
  }

  .statement-grid,
  .hardware,
  .platform,
  .contact {
    grid-template-columns: 1fr;
  }

  .statement-grid {
    gap: 36px;
  }

  .statement-grid > p {
    max-width: 620px;
  }

  .hardware {
    gap: 72px;
  }

  .hardware-intro {
    position: static;
  }

  .use-cases-heading,
  .use-case-list article {
    grid-template-columns: 0.25fr 1.75fr;
    gap: 28px;
  }

  .use-cases-heading h2 {
    grid-column: 1 / -1;
  }

  .case-tag {
    display: none;
  }

  .platform {
    min-height: 620px;
  }

  .platform-note {
    max-width: 520px;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
  }

  .copyright {
    grid-column: 2;
  }

  .contact { gap: 40px; }
}

@media (max-width: 680px) {
  :root {
    --page: calc(100% - 32px);
    --radius: 13px;
  }

  .site-header {
    min-height: 72px;
  }

  .site-nav {
    gap: 0;
  }

  .nav-cta {
    padding: 9px 13px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: auto;
    padding: 58px 0 36px;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 16.5vw, 4.7rem);
    line-height: 0.92;
  }

  .hero-summary {
    margin-top: 28px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-top: 14px;
  }

  .hero-visual {
    min-height: 520px;
  }

  .hero-visual > img {
    object-position: 47% center;
  }

  .image-label {
    top: 14px;
    right: 14px;
  }

  .prompt-sample {
    right: 14px;
    bottom: 14px;
    left: 14px;
  }

  .statement {
    padding: 96px 0;
  }

  .statement h2,
  .section-heading h2,
  .hardware h2 {
    font-size: clamp(2.7rem, 13vw, 4rem);
  }

  .interaction {
    width: 100%;
    padding: 80px 24px 62px;
    border-radius: 0;
  }

  .signal-line {
    top: 32px;
    right: 24px;
    transform: scale(0.75) rotate(-7deg);
    transform-origin: right top;
  }

  .signal-flow {
    grid-template-columns: 1fr;
    gap: 38px;
    margin-top: 70px;
  }

  .flow-number {
    margin-bottom: 20px;
  }

  .hardware {
    padding: 104px 0;
  }

  .hardware-list dd {
    margin-left: 0;
  }

  .use-cases {
    padding: 96px 0 110px;
  }

  .use-cases-heading {
    margin-bottom: 56px;
  }

  .use-case-list article {
    grid-template-columns: 34px 1fr;
    gap: 14px;
  }

  .platform {
    width: 100%;
    min-height: 560px;
    padding: 68px 24px;
    border-radius: 0;
  }

  .platform h2 {
    font-size: clamp(3.2rem, 16vw, 5rem);
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 56px 0 40px;
  }

  .copyright {
    grid-column: 1;
  }

  .launch-banner { font-size: 0.82rem; text-align: center; }
  .contact { padding-top: 72px; }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Keep the Help Center entry visible alongside the waitlist on small screens. */
@media (max-width: 980px) {
  .site-nav a.help-center-link { display: inline-flex; margin-right: 18px; }
}
@media (max-width: 680px) {
  .site-nav a.help-center-link { margin-right: 12px; font-size: 0.78rem; }
}

.language-switch { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; font-size: .8rem; line-height: 1.4; }
.language-switch a { color: inherit; text-decoration: none; white-space: nowrap; padding: .4rem .2rem; }
.language-switch a[aria-current] { font-weight: 700; text-decoration: underline; text-underline-offset: .3em; }
.language-switch a:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
html[lang="zh-CN"] { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; }
html[lang="zh-CN"] h1, html[lang="zh-CN"] h2 { letter-spacing: -.025em; line-height: 1.25; }
html[lang="zh-CN"] p { line-height: 1.8; }
.site-header { flex-wrap: wrap; gap: 1rem; }
@media (max-width: 700px) { .site-header > .language-switch { margin-left: auto; } }

.site-nav .company-link { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 6px; padding: 7px 11px; white-space: nowrap; }
@media (max-width: 980px) {
  .site-nav a.company-link { display: inline-flex; margin-right: 12px; }
  .site-header .site-nav { flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
}
@media (max-width: 680px) {
  .site-header { align-items: center; }
  .site-header .site-nav { flex: 1 1 100%; justify-content: flex-start; order: 3; padding-bottom: 12px; }
  .site-header > .language-switch { margin-left: auto; }
  .site-nav a.company-link { font-size: .78rem; margin-right: 0; padding: 7px 9px; }
}

.site-footer { grid-template-columns: minmax(180px, .8fr) minmax(0, 2.2fr); align-items: start; gap: 44px; }
.footer-navigation { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.footer-link-group { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; min-width: 0; }
.footer-link-group h3 { margin: 0 0 8px; color: var(--ink); font-size: .85rem; font-weight: 650; }
.footer-link-group a, .footer-link-group span { line-height: 1.6; overflow-wrap: anywhere; }
.footer-link-group span { color: var(--muted); }
.footer-company-link { display: inline-block; margin-top: 18px; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { grid-column: 1 / -1; display: flex; align-items: center; flex-wrap: wrap; gap: 14px 32px; border-top: 1px solid var(--line); padding-top: 24px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { margin-left: auto; }
@media (max-width: 1100px) { .site-footer { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 680px) { .footer-navigation { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 20px; } .footer-bottom { align-items: flex-start; flex-direction: column; gap: 12px; } .footer-bottom a { margin-left: 0; } }