:root {
  --c-deep: #0B1D3A;
  --c-ocean: #123B66;
  --c-orange: #FF6B2C;
  --c-green: #39FF88;
  --c-cyan: #00C2D1;
  --c-ink: #061226;
  --c-paper: #F4F9FF;
  --c-content: #1A2430;
  --c-muted: #5A6B7B;
  --f-head: Impact, 'Arial Black', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --f-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --f-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  --bd: 3px solid var(--c-deep);
  --shadow: 6px 6px 0 var(--c-deep);
  --radius: 2px;
  --container: 1280px;
  --header-h: 64px;
  --ticker-h: 30px;
}

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

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

body {
  margin: 0;
  overflow-x: hidden;
  background-color: var(--c-paper);
  background-image: linear-gradient(rgba(11, 29, 58, 0.045) 1px, transparent 1px);
  background-size: 100% 32px;
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-content);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 800;
  line-height: 1.1;
  color: var(--c-ink);
}

p, ul, ol, figure {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

a {
  color: var(--c-ocean);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

strong {
  color: var(--c-ink);
}

#main-content, [id] {
  scroll-margin-top: calc(var(--ticker-h) + var(--header-h) + 12px);
}

:focus {
  outline: none;
}

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

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.container--narrow {
  max-width: 880px;
}

.skip-link {
  position: absolute;
  top: -120px;
  left: 12px;
  z-index: 2000;
  padding: 10px 18px;
  background: var(--c-green);
  color: var(--c-ink);
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: var(--bd);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--c-deep), var(--c-ocean));
  border-bottom: 4px solid var(--c-orange);
}

.site-header__ticker {
  border-bottom: 1px solid rgba(244, 249, 255, 0.16);
  background: rgba(6, 18, 38, 0.55);
}

.site-header__ticker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 4px;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-green);
}

.site-header__main {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  min-height: var(--header-h);
  position: relative;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  flex-shrink: 0;
  padding-block: 10px;
  text-decoration: none;
  color: var(--c-paper);
  line-height: 1.1;
}

.brand:hover .brand__name {
  color: var(--c-green);
}

.brand__mark {
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.brand__name {
  font-family: var(--f-head);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  transition: color 0.15s ease;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__link {
  display: inline-block;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-paper);
  text-decoration: none;
  border: 2px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.site-nav__link:hover {
  color: var(--c-green);
  border-color: rgba(57, 255, 136, 0.45);
}

.site-nav__link[aria-current="page"] {
  background: var(--c-green);
  border-color: var(--c-green);
  color: var(--c-ink);
  box-shadow: 3px 3px 0 rgba(255, 107, 44, 0.9);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  flex-shrink: 0;
  background: var(--c-orange);
  color: var(--c-ink);
  border: 2px solid var(--c-ink);
  box-shadow: 4px 4px 0 var(--c-green);
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.nav-cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--c-green);
}

.nav-cta__dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  background: var(--c-green);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.3);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  padding: 8px;
  background: transparent;
  border: 2px solid rgba(244, 249, 255, 0.55);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--c-paper);
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

.site-footer {
  background: var(--c-ink);
  color: rgba(244, 249, 255, 0.8);
  border-top: 4px solid var(--c-orange);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.6fr 2.4fr 1.6fr 2.4fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-block: clamp(2rem, 5vw, 4rem);
}

.footer-brand__mark {
  font-family: var(--f-mono);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.footer-brand__name {
  font-family: var(--f-head);
  font-size: 30px;
  letter-spacing: 0.06em;
  color: var(--c-paper);
}

.footer-brand__domain,
.footer-brand__icp {
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--c-cyan);
}

.footer__heading {
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(244, 249, 255, 0.16);
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green);
}

.footer-note__text {
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 249, 255, 0.78);
  border-left: 3px solid var(--c-green);
  padding-left: 14px;
}

.footer-links__list,
.footer-legal {
  display: grid;
  gap: 8px;
}

.footer-links__list a,
.footer-legal a {
  display: inline-block;
  color: rgba(244, 249, 255, 0.76);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid transparent;
}

.footer-links__list a:hover,
.footer-legal a:hover {
  color: var(--c-green);
  border-bottom-color: var(--c-green);
}

.footer-contact__line {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 249, 255, 0.76);
}

.footer-contact .footer-legal {
  margin-top: 14px;
}

.site-footer__bottom {
  border-top: 3px solid var(--c-green);
  background: #030A17;
  color: rgba(244, 249, 255, 0.55);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.site-footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  padding-block: 14px;
}

.page-wrap {
  padding-block: clamp(2rem, 5vw, 4.5rem);
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.section {
  padding-block: clamp(2.5rem, 6vw, 5.5rem);
}

.section--paper {
  background: var(--c-paper);
}

.section--deep {
  background: linear-gradient(135deg, var(--c-deep), var(--c-ocean));
  color: rgba(244, 249, 255, 0.86);
}

.section--deep .section-title,
.section--deep h1,
.section--deep h2,
.section--deep h3 {
  color: var(--c-paper);
}

.section--deep .lead {
  color: rgba(244, 249, 255, 0.86);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--c-cyan);
}

.section-title {
  margin-top: 6px;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: 0.02em;
}

.section-note {
  margin-top: 10px;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.lead {
  font-size: 18px;
  line-height: 1.8;
  color: var(--c-content);
}

.lead strong {
  color: var(--c-orange);
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--c-paper);
  color: var(--c-ink);
  border: var(--bd);
  box-shadow: 4px 4px 0 var(--c-deep);
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--c-deep);
}

.btn--primary {
  background: var(--c-orange);
}

.btn--green {
  background: var(--c-green);
  color: var(--c-ink);
  box-shadow: 4px 4px 0 var(--c-ocean);
}

.btn--ghost {
  background: transparent;
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(0, 194, 209, 0.12);
  box-shadow: none;
}

.card {
  padding: clamp(1.25rem, 2.4vw, 2rem);
  background: var(--c-paper);
  border: var(--bd);
  box-shadow: 5px 5px 0 rgba(11, 29, 58, 0.18);
}

.card--deep {
  background: linear-gradient(135deg, var(--c-deep), var(--c-ocean));
  border-color: var(--c-deep);
  color: rgba(244, 249, 255, 0.86);
}

.card--deep h1,
.card--deep h2,
.card--deep h3,
.card--deep h4 {
  color: var(--c-paper);
}

.card--orange-border {
  border-color: var(--c-orange);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: var(--bd);
  background:
    radial-gradient(circle at 72% 22%, rgba(255, 107, 44, 0.35), transparent 46%),
    linear-gradient(135deg, rgba(0, 194, 209, 0.16), rgba(57, 255, 136, 0.18)),
    repeating-linear-gradient(45deg, rgba(6, 18, 38, 0.06) 0 8px, transparent 8px 16px),
    linear-gradient(135deg, var(--c-deep), var(--c-ocean));
}

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

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

.media-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid currentColor;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.tag--green {
  color: var(--c-green);
}

.tag--orange {
  color: var(--c-orange);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--c-green);
  color: var(--c-ink);
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.badge--orange {
  background: var(--c-orange);
}

.index-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.index-note::before {
  content: "▪";
  font-size: 14px;
  color: var(--c-orange);
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--asym {
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 0;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.breadcrumbs a {
  color: var(--c-ocean);
  text-decoration: none;
}

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

.breadcrumbs li + li::before {
  content: "›";
  margin-right: 8px;
  color: var(--c-cyan);
}

.mono {
  font-family: var(--f-mono);
  letter-spacing: 0.03em;
}

.text-orange {
  color: var(--c-orange);
}

.text-green {
  color: var(--c-green);
}

.text-cyan {
  color: var(--c-cyan);
}

.text-muted {
  color: var(--c-muted);
}

.text-paper {
  color: var(--c-paper);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--c-orange), var(--c-green));
  z-index: 3000;
  pointer-events: none;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@media (max-width: 1180px) {
  .site-nav__link {
    padding: 8px;
    font-size: 13px;
  }

  .nav-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .site-header__ticker-inner span:nth-child(2) {
    display: none;
  }

  .brand {
    margin-right: auto;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--c-deep), var(--c-ocean));
    border-bottom: 3px solid var(--c-orange);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  }

  .site-nav[data-open] {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding-block: 10px;
  }

  .site-nav__link {
    display: block;
    padding: 12px 16px;
    border: 0;
    border-left: 3px solid transparent;
  }

  .site-nav__link:hover {
    border-left-color: var(--c-green);
    background: rgba(255, 255, 255, 0.06);
  }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--c-orange);
    box-shadow: none;
  }

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

  .grid--3 {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 640px) {
  .site-header__ticker {
    display: none;
  }

  .site-header__main {
    gap: 10px;
  }

  .brand__name {
    font-size: 16px;
  }

  .brand__mark {
    font-size: 12px;
    letter-spacing: 0.12em;
  }

  .nav-cta {
    padding: 8px 12px;
    font-size: 12px;
    gap: 6px;
  }

  .nav-cta__dot {
    width: 6px;
    height: 6px;
  }

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

  .site-footer__bottom-inner {
    flex-direction: column;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .page-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-title {
    font-size: 2rem;
  }
}

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

  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }

  .scroll-progress {
    display: none;
  }

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