:root {
  --color-bg: #030403;
  --color-panel: #111310;
  --color-panel-2: #20231f;
  --color-panel-3: #2a2e29;
  --color-metal-dark: #161916;
  --color-metal-mid: #343934;
  --color-metal-light: #777e77;
  --color-border: #59605a;
  --color-accent: #b9ff18;
  --color-accent-dark: #78b800;
  --color-text: #f1f3ed;
  --color-text-muted: #9ca39b;
  --color-success: #b9ff18;
  --color-warn: #d6b66f;
  --color-error: #ff5a52;
  --color-black: #000000;
  --color-transparent: transparent;
  --color-grid: rgba(156, 163, 155, 0.08);
  --color-grid-strong: rgba(185, 255, 24, 0.11);
  --color-panel-alpha: rgba(17, 19, 16, 0.92);
  --color-header-alpha: rgba(17, 19, 16, 0.97);
  --color-black-alpha: rgba(0, 0, 0, 0.58);
  --color-black-heavy: rgba(0, 0, 0, 0.82);
  --color-accent-alpha: rgba(185, 255, 24, 0.28);
  --color-accent-soft: rgba(185, 255, 24, 0.08);
  --color-silver-alpha: rgba(241, 243, 237, 0.16);
  --color-metal-alpha: rgba(89, 96, 90, 0.28);
  --color-error-soft: rgba(255, 90, 82, 0.12);
  --color-warn-soft: rgba(214, 182, 111, 0.12);
  --font-display: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --radius-none: 0;
  --radius-pill: 999px;
  --radius-logo: 18px;
  --page-width: 1360px;
  --reading-width: 820px;
  --header-height: 94px;
  --gutter: clamp(16px, 4vw, 32px);
  --line-thin: 1px;
  --line-medium: 2px;
  --shadow-stage: 0 34px 80px rgba(0, 0, 0, 0.58);
  --shadow-device: 0 42px 70px rgba(0, 0, 0, 0.68);
  --shadow-accent: 0 0 7px rgba(185, 255, 24, 0.76), 0 0 18px rgba(185, 255, 24, 0.28);
  --ease-mechanical: cubic-bezier(0.3, 0.7, 0.2, 1);
  --transition-fast: 180ms;
}

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

html {
  color-scheme: dark;
  background: var(--color-bg);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

html.nav-open {
  overflow: hidden;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  color: var(--color-text);
  background:
    linear-gradient(90deg, var(--color-grid) var(--line-thin), var(--color-transparent) var(--line-thin)),
    linear-gradient(0deg, var(--color-grid) var(--line-thin), var(--color-transparent) var(--line-thin)),
    var(--color-bg);
  background-size: 72px 72px;
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(102deg, var(--color-bg) 0%, var(--color-bg) 31%, var(--color-transparent) 57%),
    linear-gradient(180deg, var(--color-transparent), var(--color-black-alpha));
}

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

img {
  height: auto;
}

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

button,
a {
  -webkit-tap-highlight-color: var(--color-transparent);
}

button {
  cursor: pointer;
}

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

p,
ul,
ol,
dl,
blockquote,
pre,
figure {
  margin-top: 0;
}

ul,
ol {
  padding-left: 1.35rem;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.25rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 850;
  letter-spacing: -0.04em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

small {
  color: var(--color-text-muted);
}

code,
kbd,
samp,
pre {
  font-family: var(--font-mono);
}

:not(pre) > code {
  padding: 0.1em 0.35em;
  border: var(--line-thin) solid var(--color-metal-alpha);
  color: var(--color-accent);
  background: var(--color-panel);
  overflow-wrap: anywhere;
}

pre {
  max-width: 100%;
  padding: 20px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: var(--line-thin) solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-black);
  line-height: 1.7;
  -webkit-overflow-scrolling: touch;
}

pre code {
  white-space: pre;
  overflow-wrap: normal;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 16px;
  border: var(--line-thin) solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-accent);
  background: var(--color-panel-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

td {
  background: var(--color-panel);
}

::selection {
  color: var(--color-bg);
  background: var(--color-accent);
}

:focus-visible {
  outline: var(--line-medium) solid var(--color-accent);
  outline-offset: 3px;
}

.wrap {
  width: min(100%, calc(var(--page-width) + (var(--gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.reading-wrap {
  width: min(100%, calc(var(--reading-width) + (var(--gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sec {
  padding-top: clamp(64px, 9vw, 120px);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.grid {
  display: grid;
  gap: 20px;
}

.grid > *,
.flex-row > * {
  min-width: 0;
}

.flex-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 14px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-kicker::before {
  width: 30px;
  height: 3px;
  flex-shrink: 0;
  content: "";
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 5px) 100%, 0 100%);
}

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

.accent-text {
  color: var(--color-accent);
}

.mono {
  font-family: var(--font-mono);
}

.panel,
.card {
  position: relative;
  min-width: 0;
  border: var(--line-thin) solid var(--color-border);
  background: var(--color-panel);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.panel {
  padding: clamp(20px, 3vw, 34px);
  box-shadow: inset 0 0 0 var(--line-thin) var(--color-silver-alpha);
}

.card {
  padding: 24px;
  transition:
    transform var(--transition-fast) var(--ease-mechanical),
    border-color var(--transition-fast) var(--ease-mechanical),
    background var(--transition-fast) var(--ease-mechanical);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-dark);
  background: var(--color-panel-2);
}

.card::before {
  position: absolute;
  top: 0;
  left: 12px;
  width: 52px;
  height: 3px;
  content: "";
  background: var(--color-accent);
}

.btn,
.hero-button {
  min-height: 50px;
  padding: 0 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: var(--line-thin) solid var(--color-border);
  border-radius: var(--radius-none);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.2;
  transition:
    transform var(--transition-fast) var(--ease-mechanical),
    color var(--transition-fast) var(--ease-mechanical),
    background var(--transition-fast) var(--ease-mechanical);
}

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

.btn svg,
.hero-button svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.btn-primary,
.hero-button-primary {
  border-color: var(--color-accent);
  color: var(--color-bg);
  background: var(--color-accent);
}

.btn-primary:hover,
.hero-button-primary:hover {
  background: var(--color-text);
}

.btn-secondary,
.hero-button-secondary {
  color: var(--color-text);
  background: var(--color-panel);
}

.btn-secondary:hover,
.hero-button-secondary:hover {
  color: var(--color-accent);
  background: var(--color-panel-2);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.site-header {
  position: relative;
  z-index: 60;
  height: var(--header-height);
  border-bottom: var(--line-thin) solid var(--color-metal-alpha);
  background: linear-gradient(180deg, var(--color-panel-alpha), var(--color-transparent));
}

.header-inner {
  width: min(100%, calc(var(--page-width) + (var(--gutter) * 2)));
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
  border: var(--line-thin) solid var(--color-border);
  border-radius: var(--radius-logo);
  background: linear-gradient(145deg, var(--color-panel-3), var(--color-black) 62%);
  box-shadow: inset 0 0 0 var(--line-thin) var(--color-silver-alpha);
}

.brand-mark img {
  width: 100%;
  height: 100%;
}

.brand-copy {
  display: grid;
  gap: 3px;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

.primary-nav {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 0;
  padding: 5px;
  list-style: none;
  border: var(--line-thin) solid var(--color-metal-alpha);
  border-radius: var(--radius-pill);
  background: var(--color-black-alpha);
}

.primary-nav a {
  min-height: 38px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  border: var(--line-thin) solid var(--color-transparent);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition:
    color var(--transition-fast) var(--ease-mechanical),
    background var(--transition-fast) var(--ease-mechanical);
}

.primary-nav a:hover {
  color: var(--color-text);
}

.primary-nav a[aria-current="page"] {
  color: var(--color-bg);
  background: var(--color-accent);
}

.header-tools {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.language-control {
  position: relative;
}

.language-switch {
  min-width: 116px;
  min-height: 44px;
  padding: 9px 14px;
  border: var(--line-thin) solid var(--color-border);
  border-radius: var(--radius-none);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  color: var(--color-text);
  background: var(--color-panel);
  font-size: 12px;
}

.language-menu {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  z-index: 82;
  width: 170px;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: var(--line-thin) solid var(--color-border);
  background: var(--color-panel-2);
  box-shadow: var(--shadow-stage);
}

.language-menu[hidden] {
  display: none;
}

.language-menu a {
  min-height: 42px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  width: 100%;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.language-menu a:hover,
.language-menu a[aria-current="true"] {
  color: var(--color-bg);
  background: var(--color-accent);
}

.menu-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  border: var(--line-thin) solid var(--color-border);
  color: var(--color-text);
  background: var(--color-panel);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.mobile-drawer {
  display: none;
}

.site-footer {
  position: relative;
  overflow-x: clip;
  border-top: var(--line-medium) solid var(--color-border);
  background: var(--color-panel);
}

.site-footer::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 34%;
  height: 4px;
  content: "";
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.footer-grid {
  padding-top: 70px;
  padding-bottom: 50px;
  display: grid;
  grid-template-columns: minmax(240px, 1.25fr) repeat(3, minmax(160px, 1fr));
  gap: 42px;
}

.footer-grid > * {
  min-width: 0;
}

.footer-brand-copy {
  max-width: 360px;
  margin-top: 20px;
  color: var(--color-text-muted);
}

.footer-heading {
  margin-bottom: 18px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  list-style: none;
}

.footer-links a {
  display: inline-flex;
  padding-block: 3px;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  min-height: 66px;
  padding-block: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: var(--line-thin) solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 620ms var(--ease-mechanical),
    transform 620ms var(--ease-mechanical);
}

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

.tilt,
.micro-tilt {
  transform: rotate(-0.35deg);
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.hero-preview {
  position: relative;
  min-height: calc(900px - var(--header-height));
  overflow: hidden;
  isolation: isolate;
}

.hero-preview::before {
  position: absolute;
  right: -80px;
  bottom: 2px;
  z-index: -1;
  width: 980px;
  height: 160px;
  content: "";
  clip-path: polygon(9% 0, 100% 0, 92% 100%, 0 100%);
  border-top: var(--line-thin) solid var(--color-border);
  background: linear-gradient(180deg, var(--color-panel-2), var(--color-bg) 70%);
  box-shadow: var(--shadow-stage);
}

.hero-preview::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -2;
  height: 42px;
  content: "";
  border-top: var(--line-thin) solid var(--color-metal-alpha);
  background:
    repeating-linear-gradient(90deg, var(--color-transparent) 0 94px, var(--color-grid-strong) 94px 95px),
    var(--color-bg);
}

.hero-preview-inner {
  position: relative;
  min-height: calc(900px - var(--header-height));
}

.hero-copy {
  position: relative;
  z-index: 12;
  width: 530px;
  padding-top: 64px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 18px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-eyebrow::before {
  width: 30px;
  height: 3px;
  flex-shrink: 0;
  content: "";
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 5px) 100%, 0 100%);
}

.hero-title {
  width: 700px;
  margin: 0;
  font-size: clamp(66px, 5.4vw, 80px);
  line-height: 0.93;
}

.hero-title span {
  display: block;
}

.hero-title .title-keyword {
  color: var(--color-accent);
}

.hero-summary {
  width: 470px;
  margin: 25px 0 0;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.hero-summary strong {
  color: var(--color-text);
}

.hero-buttons {
  display: flex;
  align-items: stretch;
  gap: 11px;
  margin-top: 24px;
}

.platform-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.platform-pills li {
  max-width: 100%;
  padding: 6px 10px;
  overflow: hidden;
  border: var(--line-thin) solid var(--color-metal-alpha);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-black-alpha);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.terminal-window {
  position: relative;
  width: 468px;
  margin-top: 23px;
  border: var(--line-thin) solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
  background: var(--color-panel-alpha);
  box-shadow: var(--shadow-stage), inset 0 0 0 var(--line-thin) var(--color-silver-alpha);
}

.terminal-chrome {
  height: 34px;
  padding-inline: 13px;
  display: flex;
  align-items: center;
  border-bottom: var(--line-thin) solid var(--color-border);
  background: var(--color-panel-2);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.terminal-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
}

.terminal-dot-error {
  background: var(--color-error);
}

.terminal-dot-warn {
  background: var(--color-warn);
}

.terminal-dot-ready {
  background: var(--color-accent);
}

.terminal-title {
  margin-left: 15px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.terminal-mode {
  margin-left: auto;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.terminal-body {
  min-height: 132px;
  padding: 14px 18px 16px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.75;
}

.terminal-line {
  display: block;
  color: var(--color-text-muted);
  animation: line-in 420ms var(--ease-mechanical) both;
}

.terminal-line:nth-child(2) {
  animation-delay: 100ms;
}

.terminal-line:nth-child(3) {
  animation-delay: 200ms;
}

.terminal-line:nth-child(4) {
  animation-delay: 300ms;
}

.terminal-line:nth-child(5) {
  animation-delay: 400ms;
}

.terminal-key {
  color: var(--color-text);
}

.terminal-value {
  color: var(--color-accent);
}

.terminal-rule {
  color: var(--color-warn);
}

.terminal-cursor {
  width: 6px;
  height: 11px;
  margin-left: 4px;
  display: inline-block;
  vertical-align: -2px;
  background: var(--color-accent);
  animation: cursor-blink 1.1s steps(1, end) infinite;
}

.device-stage {
  position: absolute;
  top: 119px;
  right: -55px;
  z-index: 5;
  width: 865px;
  height: 620px;
}

.device-stage::before {
  position: absolute;
  right: 15px;
  bottom: 52px;
  left: 82px;
  z-index: -2;
  height: 72px;
  content: "";
  clip-path: polygon(7% 0, 100% 0, 92% 100%, 0 100%);
  background: linear-gradient(180deg, var(--color-panel-3), var(--color-panel));
  box-shadow: var(--shadow-device);
}

.device-rail {
  position: absolute;
  top: 14px;
  left: 116px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.17em;
}

.device-rail::before {
  width: 44px;
  height: var(--line-thin);
  margin-right: 12px;
  display: inline-block;
  content: "";
  vertical-align: middle;
  background: var(--color-accent);
}

.gpu-card {
  position: absolute;
  top: 58px;
  right: 8px;
  width: 825px;
  height: 430px;
  filter: drop-shadow(0 38px 35px var(--color-black));
}

.gpu-bracket {
  position: absolute;
  top: 40px;
  left: 0;
  z-index: 8;
  width: 36px;
  height: 344px;
  border-left: var(--line-thin) solid var(--color-text-muted);
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
  background: linear-gradient(90deg, var(--color-metal-light), var(--color-panel-2) 30%, var(--color-metal-mid));
}

.gpu-bracket::before,
.gpu-bracket::after {
  position: absolute;
  left: 9px;
  width: 10px;
  height: 66px;
  content: "";
  border: var(--line-thin) solid var(--color-border);
  background: var(--color-bg);
}

.gpu-bracket::before {
  top: 49px;
}

.gpu-bracket::after {
  bottom: 49px;
}

.gpu-body {
  position: absolute;
  inset: 0 0 52px 27px;
  overflow: hidden;
  clip-path: polygon(4% 0, 94% 0, 100% 13%, 97% 91%, 91% 100%, 5% 100%, 0 88%, 0 10%);
  background: var(--color-panel-2);
  box-shadow: inset 0 0 0 var(--line-medium) var(--color-border);
}

.gpu-fins {
  position: absolute;
  inset: 20px 17px 18px;
  border-top: var(--line-thin) solid var(--color-border);
  border-bottom: var(--line-thin) solid var(--color-border);
  clip-path: polygon(4% 0, 96% 0, 100% 14%, 98% 88%, 91% 100%, 5% 100%, 0 86%, 0 12%);
  background: repeating-linear-gradient(90deg, var(--color-metal-dark) 0 5px, var(--color-panel-2) 5px 8px);
}

.shroud-top,
.shroud-bottom,
.shroud-left,
.shroud-right {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.shroud-top {
  top: 0;
  right: 0;
  left: 0;
  height: 111px;
  border-top: var(--line-medium) solid var(--color-metal-light);
  clip-path: polygon(0 0, 100% 0, 95% 65%, 70% 55%, 61% 100%, 39% 100%, 29% 55%, 5% 66%);
  background: linear-gradient(165deg, var(--color-metal-light), var(--color-metal-mid) 28%, var(--color-panel-2) 70%);
}

.shroud-bottom {
  right: 0;
  bottom: 0;
  left: 0;
  height: 108px;
  border-bottom: var(--line-medium) solid var(--color-metal-light);
  clip-path: polygon(5% 35%, 29% 45%, 39% 0, 61% 0, 70% 45%, 95% 34%, 100% 100%, 0 100%);
  background: linear-gradient(350deg, var(--color-panel-2), var(--color-metal-mid) 63%, var(--color-metal-light));
}

.shroud-left {
  top: 72px;
  bottom: 70px;
  left: 0;
  width: 152px;
  clip-path: polygon(0 0, 100% 17%, 72% 50%, 100% 83%, 0 100%);
  background: linear-gradient(90deg, var(--color-metal-light), var(--color-panel-2) 72%);
}

.shroud-right {
  top: 72px;
  right: 0;
  bottom: 70px;
  width: 152px;
  clip-path: polygon(0 17%, 100% 0, 100% 100%, 0 83%, 28% 50%);
  background: linear-gradient(270deg, var(--color-metal-light), var(--color-panel-2) 72%);
}

.accent-ridge {
  position: absolute;
  top: 47px;
  left: 87px;
  z-index: 7;
  width: 609px;
  height: 4px;
  transform: skewX(-38deg);
  background: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.fan {
  position: absolute;
  top: 88px;
  z-index: 4;
  width: 226px;
  height: 226px;
}

.fan-left {
  left: 75px;
}

.fan-right {
  right: 75px;
}

.fan-frame {
  fill: var(--color-black);
  stroke: var(--color-metal-light);
  stroke-width: 2;
}

.fan-ring {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 9;
}

.fan-ring-inner {
  fill: none;
  stroke: var(--color-panel-3);
  stroke-width: 3;
  stroke-dasharray: 8 5;
}

.fan-blades {
  transform-origin: 110px 110px;
  animation: fan-spin 18s linear infinite;
}

.fan-right .fan-blades {
  animation-direction: reverse;
  animation-duration: 20s;
}

.fan-blade {
  fill: var(--color-metal-mid);
  stroke: var(--color-border);
  stroke-width: 1;
}

.fan-hub {
  fill: var(--color-panel-2);
  stroke: var(--color-metal-light);
  stroke-width: 2;
}

.fan-hub-dot {
  fill: var(--color-black);
  stroke: var(--color-border);
}

.core-chip {
  position: absolute;
  top: 126px;
  left: 50%;
  z-index: 8;
  width: 140px;
  height: 140px;
  transform: translateX(-50%) rotate(45deg);
  display: grid;
  place-items: center;
  border: var(--line-medium) solid var(--color-metal-light);
  background: linear-gradient(145deg, var(--color-metal-mid), var(--color-bg) 56%, var(--color-panel-2));
  box-shadow:
    inset 0 0 0 8px var(--color-panel),
    inset 0 0 0 9px var(--color-border);
}

.core-chip::before,
.core-chip::after {
  position: absolute;
  content: "";
  background: var(--color-border);
}

.core-chip::before {
  top: 13px;
  bottom: 13px;
  left: 50%;
  width: var(--line-thin);
}

.core-chip::after {
  top: 50%;
  right: 13px;
  left: 13px;
  height: var(--line-thin);
}

.core-label {
  position: relative;
  z-index: 2;
  transform: rotate(-45deg);
  text-align: center;
}

.core-label strong {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.core-label span {
  margin-top: 5px;
  display: block;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.2em;
}

.gold-fingers {
  position: absolute;
  right: 92px;
  bottom: 12px;
  z-index: 10;
  display: flex;
  gap: 5px;
}

.gold-finger {
  position: relative;
  width: 19px;
  height: 58px;
  background: var(--color-warn);
  clip-path: polygon(0 0, 100% 0, 100% 82%, 68% 100%, 0 100%);
}

.gold-finger.is-platform::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 11px;
  content: "";
  background: var(--color-accent);
}

@keyframes line-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes cursor-blink {
  50% {
    opacity: 0;
  }
}

@keyframes fan-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1120px) {
  .desktop-nav {
    display: none;
  }

  .header-tools {
    margin-left: auto;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .mobile-drawer {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: 70;
    max-height: calc(100dvh - var(--header-height));
    padding: 12px var(--gutter) 22px;
    overflow-y: auto;
    overscroll-behavior: contain;
    border-bottom: var(--line-medium) solid var(--color-accent);
    background: var(--color-panel-2);
  }

  .mobile-drawer.is-open {
    display: block;
  }

  .mobile-drawer ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .mobile-drawer a {
    min-height: 48px;
    width: 100%;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    border-bottom: var(--line-thin) solid var(--color-border);
    color: var(--color-text-muted);
  }

  .mobile-drawer a[aria-current="page"],
  .mobile-drawer a[aria-current="true"] {
    color: var(--color-bg);
    background: var(--color-accent);
  }

  .mobile-language-label {
    padding: 22px 14px 7px;
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
  }

  .device-stage {
    right: -330px;
    opacity: 0.68;
  }
}

@media (max-width: 800px) {
  :root {
    --header-height: 76px;
  }

  .site-header {
    height: var(--header-height);
    background: var(--color-header-alpha);
  }

  .brand-sub {
    display: none;
  }

  .language-control {
    display: none;
  }

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

  .hero-preview,
  .hero-preview-inner {
    min-height: auto;
  }

  .hero-preview {
    padding-bottom: 60px;
  }

  .hero-copy {
    width: min(100%, 560px);
    padding-top: 48px;
  }

  .hero-title {
    width: 100%;
    font-size: clamp(50px, 12vw, 70px);
  }

  .hero-summary,
  .terminal-window {
    width: 100%;
  }

  .device-stage {
    position: relative;
    top: auto;
    right: auto;
    width: 720px;
    height: 500px;
    margin-top: -20px;
    margin-left: auto;
    transform: scale(0.82);
    transform-origin: left top;
    opacity: 1;
  }
}

@media (max-width: 640px) {
  body {
    background-size: 48px 48px;
  }

  .header-inner {
    gap: 10px;
  }

  .brand {
    gap: 9px;
    min-width: 0;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-name {
    font-size: 16px;
  }

  .header-tools {
    margin-left: auto;
  }

  .tilt,
  .micro-tilt {
    transform: none;
  }

  .sec {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .hero-copy {
    padding-top: 38px;
  }

  .hero-title {
    font-size: clamp(44px, 13vw, 60px);
    line-height: 0.96;
  }

  .hero-summary {
    margin-top: 20px;
    font-size: 14px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn,
  .hero-buttons .hero-button {
    width: 100%;
  }

  .terminal-window {
    margin-top: 18px;
  }

  .terminal-title {
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .device-stage {
    width: 825px;
    height: 430px;
    margin-top: 10px;
    transform: scale(0.46);
    transform-origin: left top;
    margin-bottom: -220px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel,
  .card {
    padding: 20px;
  }

  th,
  td {
    padding: 11px 12px;
  }
}

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

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

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