*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --site-bg: #08090f;
  --site-bg-elevated: #10131d;
  --site-surface: rgba(255, 255, 255, 0.045);
  --site-surface-strong: rgba(255, 255, 255, 0.075);
  --site-text: #ffffff;
  --site-muted: #b0b4c3;
  --site-subtle: #7f8496;
  --site-accent: #00d2ff;
  --site-accent-deep: #087da6;
  --site-border: rgba(255, 255, 255, 0.12);
  --site-border-soft: rgba(255, 255, 255, 0.07);
  --site-container: 1180px;
  --site-radius-sm: 12px;
  --site-radius-md: 22px;
  --site-radius-lg: 32px;
  --site-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --site-z-base: 0;
  --site-z-content: 10;
  --site-z-header: 50;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Outfit", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea,
select {
  font: inherit;
}

a,
button {
  touch-action: manipulation;
}

img {
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: calc(var(--site-z-header) + 10);
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--site-accent);
  color: #001017;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--site-z-header);
  border-bottom: 1px solid var(--site-border-soft);
  background: rgba(8, 9, 15, 0.88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.site-header--overlay {
  position: absolute;
  inset: 0 0 auto;
  border-bottom-color: transparent;
  background: linear-gradient(180deg, rgba(8, 9, 15, 0.88), rgba(8, 9, 15, 0));
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.site-nav {
  position: relative;
  width: min(calc(100% - 40px), var(--site-container));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  color: var(--site-text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--site-accent), #2d1b69);
  color: #fff;
  box-shadow: 0 0 24px rgba(0, 210, 255, 0.18);
}

.site-menu {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.8vw, 32px);
}

.site-menu a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--site-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 180ms ease, background-color 180ms ease;
}

.site-menu a:hover,
.site-menu a:focus-visible,
.site-menu a[aria-current="page"] {
  color: var(--site-text);
}

.site-menu a[aria-current="page"] {
  font-weight: 600;
}

.site-menu a[aria-current="page"]::after {
  content: "";
  width: 5px;
  height: 5px;
  margin-left: 7px;
  border-radius: 50%;
  background: var(--site-accent);
  box-shadow: 0 0 12px rgba(0, 210, 255, 0.8);
}

.site-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-sm);
  background: rgba(8, 9, 15, 0.9);
  color: #fff;
  cursor: pointer;
}

.site-menu-toggle__lines,
.site-menu-toggle__lines::before,
.site-menu-toggle__lines::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: auto;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.site-menu-toggle__lines::before {
  transform: translateY(-6px);
}

.site-menu-toggle__lines::after {
  transform: translateY(4px);
}

.site-menu-toggle[aria-expanded="true"] .site-menu-toggle__lines {
  background: transparent;
}

.site-menu-toggle[aria-expanded="true"] .site-menu-toggle__lines::before {
  background: #fff;
  transform: translateY(0) rotate(45deg);
}

.site-menu-toggle[aria-expanded="true"] .site-menu-toggle__lines::after {
  background: #fff;
  transform: translateY(-2px) rotate(-45deg);
}

.site-menu-toggle:focus-visible,
.site-menu a:focus-visible,
.site-brand:focus-visible,
.site-button:focus-visible,
.text-link:focus-visible,
.site-footer a:focus-visible {
  outline: 2px solid var(--site-accent);
  outline-offset: 3px;
}

.subpage {
  min-width: 320px;
  min-height: 100vh;
  color: var(--site-text);
  background:
    radial-gradient(circle at 12% 8%, rgba(0, 210, 255, 0.13), transparent 34%),
    radial-gradient(circle at 88% 22%, rgba(45, 27, 105, 0.32), transparent 32%),
    var(--site-bg);
  overflow-x: hidden;
}

.site-main {
  position: relative;
  z-index: var(--site-z-content);
  overflow: hidden;
}

.site-container {
  width: min(calc(100% - 40px), var(--site-container));
  margin-inline: auto;
}

.page-hero {
  min-height: min(760px, calc(100dvh - 76px));
  display: flex;
  align-items: center;
  padding: clamp(88px, 11vw, 148px) 0 clamp(72px, 9vw, 118px);
}

.page-hero__grid,
.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: clamp(40px, 7vw, 92px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--site-accent);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-title {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2.75rem, 7vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-title em {
  color: var(--site-accent);
  font-style: normal;
}

.page-title--compact {
  font-size: clamp(2.75rem, 5.5vw, 4.8rem);
}

.page-lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--site-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.85;
  text-wrap: pretty;
}

.hero-visual {
  position: relative;
  padding: clamp(14px, 2.5vw, 24px);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-lg);
  background: var(--site-surface);
  box-shadow: var(--site-shadow);
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  top: -90px;
  right: -70px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.18);
  filter: blur(54px);
}

.hero-visual img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  max-height: 560px;
  border-radius: calc(var(--site-radius-lg) - 10px);
  object-fit: cover;
}

.hero-visual--portrait {
  width: min(100%, 430px);
  justify-self: center;
}

.hero-visual--portrait img {
  aspect-ratio: 2 / 3;
}

.site-section {
  padding: clamp(72px, 10vw, 128px) 0;
  scroll-margin-top: 88px;
}

.site-section--surface {
  border-block: 1px solid var(--site-border-soft);
  background: rgba(255, 255, 255, 0.022);
}

.product-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.product-note span {
  padding: 8px 13px;
  border: 1px solid var(--site-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--site-muted);
  font-size: 13px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: var(--site-radius-lg);
  background:
    linear-gradient(120deg, rgba(0, 210, 255, 0.1), rgba(45, 27, 105, 0.16)),
    var(--site-surface);
  box-shadow: var(--site-shadow);
}

.cta-panel h2 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.cta-panel .site-button {
  flex: 0 0 auto;
  margin-top: 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading h2,
.split-section h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-heading > p:last-child,
.split-section p,
.capability-card p,
.identity-card p {
  color: var(--site-muted);
  line-height: 1.8;
}

.section-heading > p:last-child,
.split-section p {
  max-width: 650px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.capability-card,
.identity-card {
  min-width: 0;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-md);
  background: var(--site-surface);
  transition: border-color 200ms ease, background-color 200ms ease, transform 200ms ease;
}

.capability-card:hover {
  border-color: rgba(0, 210, 255, 0.32);
  background: rgba(0, 210, 255, 0.055);
  transform: translateY(-3px);
}

.capability-card__index {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--site-accent);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
}

.capability-card h2,
.capability-card h3,
.identity-card h2 {
  margin: 0 0 12px;
  line-height: 1.3;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 8px;
  color: var(--site-accent);
  text-decoration: none;
  font-weight: 700;
}

.text-link::after {
  content: "→";
  margin-left: 8px;
  transition: transform 180ms ease;
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: translateX(4px);
}

.site-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-top: 30px;
  padding: 0 28px;
  border: 1px solid rgba(0, 210, 255, 0.5);
  border-radius: 999px;
  background: rgba(0, 210, 255, 0.08);
  color: var(--site-accent);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-button:hover,
.site-button:focus-visible {
  border-color: var(--site-accent);
  background: var(--site-accent);
  color: #001017;
  box-shadow: 0 10px 34px rgba(0, 210, 255, 0.24);
}

.site-button:active {
  box-shadow: 0 4px 18px rgba(0, 210, 255, 0.2);
}

.identity-card {
  background:
    linear-gradient(135deg, rgba(0, 210, 255, 0.08), rgba(45, 27, 105, 0.14)),
    var(--site-surface);
}

.identity-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.identity-list li {
  padding: 16px 0;
  border-top: 1px solid var(--site-border-soft);
  color: var(--site-muted);
  line-height: 1.65;
}

.identity-list strong {
  display: block;
  margin-bottom: 5px;
  color: var(--site-text);
  font-size: 14px;
}

.site-footer {
  position: relative;
  z-index: var(--site-z-content);
  padding: 56px 0 34px;
  border-top: 1px solid var(--site-border);
  background: #06070b;
}

.site-footer__top,
.site-footer__bottom,
.site-footer__links {
  display: flex;
  align-items: center;
}

.site-footer__top,
.site-footer__bottom {
  justify-content: space-between;
  gap: 24px;
}

.site-footer__links {
  flex-wrap: wrap;
  gap: 22px;
}

.footer > .footer-inner > .site-footer__links {
  justify-content: center;
  margin-bottom: 34px;
}

.footer > .footer-inner > .site-footer__links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: #8f93a4;
  text-decoration: none;
  transition: color 180ms ease;
}

.footer > .footer-inner > .site-footer__links a:hover,
.footer > .footer-inner > .site-footer__links a:focus-visible {
  color: #ffffff;
}

.site-footer a,
.site-footer p {
  color: var(--site-subtle);
  font-size: 13px;
  line-height: 1.7;
  text-decoration: none;
}

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

.site-footer__bottom {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--site-border-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 420ms ease-out, transform 420ms ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .js .site-menu-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .site-menu {
    width: 100%;
    padding: 8px 0 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .js .site-menu:not(.is-open) {
    display: none;
  }

  .site-header--overlay .site-menu {
    padding: 10px;
    border: 1px solid var(--site-border);
    border-radius: var(--site-radius-md);
    background: rgba(8, 9, 15, 0.96);
    box-shadow: var(--site-shadow);
  }

  .site-menu a {
    padding: 0 14px;
    border-radius: 10px;
  }

  .site-menu a:hover,
  .site-menu a:focus-visible {
    background: var(--site-surface-strong);
  }

  .page-hero__grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: auto;
  }

  .hero-visual--portrait {
    width: min(82vw, 410px);
  }

  .cta-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-container,
  .site-nav {
    width: min(calc(100% - 32px), var(--site-container));
  }

  .page-title {
    font-size: clamp(2.45rem, 13vw, 4rem);
  }

  .page-title--compact {
    font-size: clamp(2.4rem, 11vw, 3.4rem);
  }

  .page-lead {
    font-size: 1rem;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-card:hover {
    transform: none;
  }

  .site-footer__top,
  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer__links {
    gap: 12px 20px;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .capability-card:hover {
    transform: none;
  }
}