:root {
  --bg-base: #0A0E0C;
  --bg-panel: #121A17;
  --bg-card: #182320;
  --line: #26352F;
  --text-1: #F2F5F3;
  --text-2: #A8B8B0;
  --green: #3DF08D;
  --red: #FF3B4E;
  --gold: #FFC857;
  --cyan: #21C7F8;
  --font-display: "Archivo Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --container-w: 1300px;
  --header-offset: 92px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: var(--header-offset);
  background-color: var(--bg-base);
  background-image:
    linear-gradient(rgba(38,53,47,.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38,53,47,.28) 1px, transparent 1px),
    radial-gradient(ellipse 90% 55% at 78% -5%, rgba(61,240,141,.06), transparent 65%),
    radial-gradient(ellipse 70% 45% at 8% 18%, rgba(255,59,78,.05), transparent 60%);
  background-size:
    48px 48px,
    48px 48px,
    100% 100%,
    100% 100%;
  color: var(--text-1);
  font-family: var(--font-body);
  line-height: 1.75;
  min-height: 100vh;
}

main {
  display: block;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--green);
  -webkit-text-decoration-skip-ink: none;
  text-decoration-skip-ink: none;
}

#main-content,
[id] {
  scroll-margin-top: 110px;
}

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

::selection {
  background: rgba(61,240,141,.25);
  color: var(--text-1);
}

.u-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

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

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--green);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--green);
  box-shadow: 0 0 8px rgba(61,240,141,.6);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .85rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border-radius: 0;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s, transform .2s, box-shadow .2s;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(61,240,141,.5);
  color: var(--green);
}

.btn:active {
  transform: translateY(0);
}

.btn--green {
  background: var(--green);
  border-color: var(--green);
  color: #0A0E0C;
}

.btn--green:hover {
  color: #0A0E0C;
  box-shadow: 0 8px 30px rgba(61,240,141,.25);
}

.btn--gold {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}

.btn--ghost {
  background: transparent;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .7rem;
  margin: 0 0 2.25rem;
  padding: 0;
  list-style: none;
  font-size: .875rem;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: .7rem;
  color: var(--line);
}

.breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
}

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

.breadcrumb [aria-current="page"] {
  color: var(--text-1);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  transform: translateY(-400%);
  background: var(--green);
  color: #0A0E0C;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(61,240,141,.4);
  transition: transform .2s ease;
}

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

.site-header {
  position: relative;
  z-index: 100;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 200;
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan) 60%, var(--gold));
  box-shadow: 0 0 12px rgba(61,240,141,.7);
}

.nav-capsule {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--container-w), calc(100vw - 24px));
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 8px 14px 8px 20px;
  background: rgba(13,20,17,.88);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.04);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  z-index: 100;
}

.nav-capsule::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: linear-gradient(var(--green), var(--red));
  border-radius: 999px;
  box-shadow: 0 0 10px rgba(61,240,141,.5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  color: var(--text-1);
  flex-shrink: 0;
  border-radius: 999px;
}

.brand-mark {
  display: block;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
}

.brand-mark__bg {
  fill: var(--bg-panel);
  stroke: var(--line);
  stroke-width: 1px;
}

.brand-mark__stripe {
  fill: rgba(61,240,141,.15);
  stroke: rgba(61,240,141,.5);
  stroke-width: 1px;
}

.brand-mark__ball {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: .02em;
}

.brand-suffix {
  font-size: .65rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--text-2);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: .15rem;
  margin-inline: auto;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem .85rem;
  color: var(--text-2);
  font-size: .9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0;
  white-space: nowrap;
  transition: color .2s, background .2s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .85rem;
  right: .85rem;
  bottom: .32rem;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-1);
  background: rgba(61,240,141,.06);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--green);
  font-weight: 700;
}

.header-cta {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .45rem 1.05rem;
  border: 1px solid rgba(255,200,87,.5);
  background: rgba(255,200,87,.08);
  color: var(--gold);
  white-space: nowrap;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: .9375rem;
  flex-shrink: 0;
}

.header-cta__label {
  display: inline-flex;
  align-items: center;
  font-size: .7rem;
  color: var(--text-2);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.header-cta__label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: .4rem;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}

.header-cta__number {
  font-weight: 700;
  letter-spacing: .03em;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle__line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--text-1);
  transform: translate(-50%, -50%);
  transition: transform .25s ease, opacity .2s ease, background .2s;
}

.nav-toggle__line:nth-child(1) {
  margin-top: -7px;
}

.nav-toggle__line:nth-child(3) {
  margin-top: 7px;
}

.nav-toggle[data-open] .nav-toggle__line:nth-child(1) {
  margin-top: 0;
  transform: translate(-50%, -50%) rotate(45deg);
}

.nav-toggle[data-open] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[data-open] .nav-toggle__line:nth-child(3) {
  margin-top: 0;
  transform: translate(-50%, -50%) rotate(-45deg);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: .45;
    transform: scale(.8);
  }
}

@keyframes navIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  position: relative;
  margin-top: clamp(4rem, 10vw, 8rem);
  padding: clamp(3rem, 6vw, 5rem) 0 0;
  background: linear-gradient(180deg, var(--bg-panel), #0D1310);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green) 0%, transparent 25%, transparent 65%, var(--red) 100%);
  opacity: .8;
}

.site-footer::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  border: 1px solid var(--line);
  transform: rotate(24deg);
  background: radial-gradient(circle at 60% 40%, rgba(61,240,141,.05), transparent 60%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.35fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  position: relative;
  z-index: 1;
}

.footer-brand {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  text-decoration: none;
  color: var(--text-1);
  margin-bottom: 1.25rem;
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: .01em;
}

.footer-brand__suffix {
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--text-2);
  text-transform: uppercase;
}

.footer-about p {
  color: var(--text-2);
  font-size: .9375rem;
  max-width: 46ch;
  margin-bottom: 1rem;
}

.footer-trust {
  font-size: .8125rem;
  color: rgba(168,184,176,.7);
  border-left: 2px solid var(--green);
  padding-left: .75rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .55rem .85rem;
  padding: .5rem 0;
}

.footer-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: .9375rem;
  padding: .3rem 0;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.footer-contact {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.footer-contact .eyebrow {
  margin-bottom: 1rem;
}

.footer-contact p {
  color: var(--text-2);
  font-size: .9375rem;
  margin-bottom: .45rem;
}

.footer-bottom {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 1.75rem;
  position: relative;
  z-index: 1;
}

.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem 2rem;
  color: var(--text-2);
  font-size: .8125rem;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  padding: 0;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--green);
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
  border-radius: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .25s, transform .25s, visibility .25s, border-color .25s;
}

.back-to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: rgba(61,240,141,.6);
}

.back-to-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--green);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
  box-shadow: 0 0 8px rgba(61,240,141,.6);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.toc {
  position: sticky;
  top: 120px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.toc a {
  display: block;
  padding: .55rem 1rem;
  color: var(--text-2);
  text-decoration: none;
  font-size: .9375rem;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color .2s, border-color .2s, background .2s;
}

.toc a:hover,
.toc a:focus-visible {
  color: var(--text-1);
  background: rgba(61,240,141,.04);
}

.toc a.is-active {
  color: var(--green);
  border-left-color: var(--green);
  background: linear-gradient(90deg, rgba(61,240,141,.07), transparent);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .65s ease, transform .65s ease;
}

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

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 0;
  overflow: hidden;
}

.media-frame::before {
  content: "";
  display: block;
  padding-top: 56.25%;
  background: linear-gradient(135deg, rgba(38,53,47,.4), rgba(18,26,23,.9));
}

.media-frame > img,
.media-frame > svg,
.media-frame > * {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide::before {
  padding-top: 42%;
}

.media-frame--square::before {
  padding-top: 100%;
}

.media-frame--tall::before {
  padding-top: 135%;
}

.media-frame--empty::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--text-2);
  font-size: .875rem;
  letter-spacing: .1em;
}

.divider {
  height: 1px;
  border: 0;
  background: var(--line);
  margin: 2.5rem 0;
  position: relative;
}

.divider::after {
  content: "";
  display: block;
  width: 90px;
  height: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
  margin-top: -1px;
}

.card {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 0;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(61,240,141,.45);
  box-shadow: 0 14px 40px rgba(0,0,0,.35), 0 0 0 1px rgba(61,240,141,.1);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .7rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
  color: var(--text-2);
  font-size: .8125rem;
  border-radius: 0;
}

.tag--green {
  color: var(--green);
  border-color: rgba(61,240,141,.4);
  background: rgba(61,240,141,.08);
}

.tag--red {
  color: var(--red);
  border-color: rgba(255,59,78,.4);
  background: rgba(255,59,78,.08);
}

.tag--gold {
  color: var(--gold);
  border-color: rgba(255,200,87,.4);
  background: rgba(255,200,87,.08);
}

.data-stat {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--green);
  letter-spacing: -.02em;
  line-height: 1;
}

.plaque {
  position: relative;
  padding: 1rem 1.25rem;
  background: rgba(18,26,23,.7);
  border-left: 2px solid var(--gold);
  color: var(--text-2);
  font-size: .875rem;
}

.plaque__title {
  font-family: var(--font-display);
  color: var(--text-1);
  font-size: 1.1rem;
  margin-bottom: .2rem;
}

.grid-list {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

@media (max-width: 1220px) {
  .header-cta {
    display: none;
  }
}

@media (max-width: 1080px) {
  body {
    padding-top: 84px;
  }

  .nav-capsule {
    padding-left: 14px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: 100%;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px;
    background: rgba(13,20,17,.96);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(0,0,0,.6);
    display: none;
    animation: navIn .25s ease;
  }

  .main-nav[data-open] {
    display: flex;
  }

  .nav-link {
    padding: .85rem 1rem;
    white-space: normal;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link[aria-current="page"] {
    background: rgba(61,240,141,.1);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-contact {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 1.5rem;
  }
}

@media (max-width: 540px) {
  .container {
    width: calc(100vw - 1.25rem);
  }

  .nav-capsule {
    top: 8px;
    left: 50%;
    width: calc(100vw - 16px);
    padding: 6px 8px 6px 12px;
    gap: .5rem;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .brand-suffix {
    display: none;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

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

  .back-to-top {
    right: .75rem;
    bottom: .75rem;
  }
}

@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;
  }

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

  .back-to-top {
    transition: none !important;
  }
}