:root {
  --color-night: #0A1128;
  --color-midnight: #10203F;
  --color-green: #00E68A;
  --color-orange: #FF9E1C;
  --color-foam: #E9F2F7;
  --color-slate: #A6B3C9;
  --color-line: #283A5E;
  --color-page: #F7F9FC;
  --color-ink: #1D2E3C;
  --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", "Consolas", monospace;
  --header-height: 76px;
  --container: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-night);
  color: var(--color-foam);
  font-family: var(--font-sans);
  line-height: 1.7;
  padding-top: var(--header-height);
  min-height: 100vh;
}

body.no-scroll {
  overflow: hidden;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-green);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--color-orange);
}

button {
  font-family: inherit;
}

::selection {
  background: var(--color-green);
  color: var(--color-night);
}

:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 3px;
}

#main-content {
  scroll-margin-top: var(--header-height);
}

.skip-link {
  position: fixed;
  top: 0;
  left: var(--gutter);
  transform: translateY(-150%);
  z-index: 2000;
  padding: 0.6rem 1.25rem;
  background: var(--color-orange);
  color: var(--color-night);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 0 0 4px 4px;
  transition: transform 0.25s var(--ease);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10, 17, 40, 0.9) 0%, rgba(10, 17, 40, 0.45) 60%, rgba(10, 17, 40, 0) 100%);
  transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: var(--color-night);
  box-shadow: 0 1px 0 var(--color-line), 0 12px 32px rgba(0, 0, 0, 0.3);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-height);
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-foam);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
  position: relative;
  z-index: 1002;
}

.site-header__brand:hover {
  color: var(--color-green);
}

.site-header__brand-text {
  line-height: 1;
}

.brand-owl {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  background: var(--color-midnight);
  border: 1px solid var(--color-line);
  border-radius: 50% 50% 46% 46%;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.brand-owl::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 6px;
  width: 7px;
  height: 9px;
  background: var(--color-green);
  border-radius: 50%;
  box-shadow: 13px 0 0 var(--color-green);
}

.brand-owl::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 50%;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--color-orange);
  transform: translateX(-50%);
}

.site-header__brand:hover .brand-owl {
  background: var(--color-night);
  border-color: var(--color-green);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1vw, 1.25rem);
  list-style: none;
  flex-wrap: nowrap;
}

.site-nav__link {
  display: block;
  padding: 0.45rem 0.15rem;
  color: var(--color-foam);
  font-size: 0.94rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), opacity 0.2s var(--ease);
}

.site-nav__link:hover {
  color: var(--color-green);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  background: var(--color-midnight);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  color: var(--color-orange);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.site-nav__cta::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  background: var(--color-orange);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(255, 158, 28, 0.7);
}

.site-nav__cta:hover {
  background: var(--color-orange);
  color: var(--color-night);
  border-color: var(--color-orange);
}

.site-nav__cta:hover::before {
  background: var(--color-night);
  box-shadow: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 0;
  color: var(--color-foam);
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  z-index: 1002;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 3px 0;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.site-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--color-green);
  box-shadow: 0 0 12px rgba(0, 230, 138, 0.6);
  pointer-events: none;
}

.site-footer {
  background: var(--color-night);
  border-top: 1px solid var(--color-line);
  color: var(--color-slate);
  padding: 4rem 0 1.5rem;
  margin-top: 4rem;
}

.site-footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-footer__brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 2rem;
}

.site-footer__brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-foam);
}

.site-footer__tagline {
  width: 100%;
  font-size: 0.95rem;
  color: var(--color-slate);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.site-footer__heading {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-green);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.site-footer__links {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.site-footer__links a {
  color: var(--color-foam);
  font-size: 0.95rem;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.site-footer__links a:hover {
  color: var(--color-orange);
  padding-left: 0.25rem;
}

.site-footer__links--meta {
  color: var(--color-slate);
  font-size: 0.92rem;
  line-height: 1.6;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--color-line);
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: 0.85rem;
}

.site-footer__icp {
  font-family: var(--font-mono);
  color: var(--color-slate);
}

.site-footer__trust {
  max-width: 58ch;
  color: var(--color-slate);
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

.section--tight {
  padding-block: 2rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--color-green);
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.prose {
  max-width: 70ch;
  font-size: 1.05rem;
  line-height: 1.85;
}

.prose p + p {
  margin-top: 1em;
}

.prose a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-green);
  text-underline-offset: 4px;
}

.prose a:hover {
  color: var(--color-orange);
  text-decoration-color: var(--color-orange);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  font-size: 0.9rem;
  color: var(--color-slate);
}

.breadcrumb a {
  color: var(--color-slate);
}

.breadcrumb a:hover {
  color: var(--color-green);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-line);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  border: 1px solid var(--color-line);
  background: var(--color-midnight);
  color: var(--color-foam);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-night);
}

.btn--primary:hover {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-night);
}

.btn--ghost {
  background: transparent;
  color: var(--color-foam);
}

.btn--ghost:hover {
  background: rgba(0, 230, 138, 0.08);
  border-color: var(--color-green);
}

.data-card {
  background: var(--color-midnight);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 1.5rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.data-card:hover {
  border-color: var(--color-green);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.data-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate);
}

.data-card__value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-foam);
  margin-top: 0.5rem;
  line-height: 1.1;
}

.data-card__value--highlight {
  color: var(--color-orange);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  background: var(--color-midnight);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--color-slate);
}

.tag--live {
  color: var(--color-green);
  border-color: rgba(0, 230, 138, 0.5);
}

.tag--live::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.media {
  position: relative;
  overflow: hidden;
  background: var(--color-midnight);
  border: 1px solid var(--color-line);
}

.media--ratio-16-9 {
  aspect-ratio: 16 / 9;
}

.media--ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.media__placeholder {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 20%, #10203F 0%, #0A1128 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  min-height: 100vh;
  margin-top: calc(-1 * var(--header-height));
  padding-top: var(--header-height);
  padding-inline: var(--gutter);
  max-width: var(--container);
  margin-inline: auto;
  align-items: center;
}

.hero__content {
  max-width: 46rem;
}

.hero__visual {
  position: relative;
  min-height: 420px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

@media (max-width: 1180px) {
  .site-nav {
    position: fixed;
    inset: 0;
    margin-left: 0;
    display: block;
    background: var(--color-night);
    padding: calc(var(--header-height) + 2rem) var(--gutter) 3rem;
    overflow-y: auto;
    transform: translateY(-102%);
    visibility: hidden;
    transition: transform 0.35s var(--ease), visibility 0.35s;
    -webkit-overflow-scrolling: touch;
    z-index: 1001;
  }

  .site-nav[data-open] {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .site-nav__link {
    font-size: 1.25rem;
    padding: 0.8rem 0;
    border-bottom-color: var(--color-line);
    border-bottom-style: solid;
    border-bottom-width: 1px;
  }

  .site-nav__link[aria-current="page"] {
    border-bottom-color: var(--color-green);
  }

  .site-nav__cta {
    display: inline-flex;
    margin-top: 2rem;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: calc(var(--header-height) + 1.5rem);
    min-height: auto;
  }

  .hero__visual {
    min-height: 280px;
  }
}

@media (max-width: 760px) {
  .site-footer__cols {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .site-nav,
  .site-nav__link,
  .nav-toggle__bar,
  .skip-link,
  .site-header,
  .btn,
  .data-card,
  [data-reveal] {
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .tag--live::before {
    animation: none;
  }
}