:root {
  --bg: #060b18;
  --bg-deep: #030711;
  --surface: #0d1526;
  --surface-raised: #131f35;
  --text: #eaf2ff;
  --text-soft: #8ea0b8;
  --text-faint: #596a82;
  --primary: #3b82f6;
  --primary-strong: #2563eb;
  --accent: #22d3ee;
  --purple: #8b5cf6;
  --action-bg: rgba(34, 211, 238, 0.08);
  --action-border: rgba(34, 211, 238, 0.55);
  --action-shadow: 0 0 28px rgba(34, 211, 238, 0.1);
  --line: #24324a;
  --line-soft: rgba(142, 160, 184, 0.16);
  --display: "Bahnschrift", "DIN Alternate", "Microsoft YaHei", sans-serif;
  --body: "IBM Plex Sans", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --shell: min(1180px, calc(100vw - 64px));
  --header-height: 84px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--primary) var(--bg-deep);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: 1;
  inset: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(59, 130, 246, 0.08), transparent 30%),
    radial-gradient(circle at 78% 40%, rgba(34, 211, 238, 0.045), transparent 26%),
    linear-gradient(180deg, rgba(3, 7, 17, 0.12), rgba(6, 11, 24, 0.42) 42%, rgba(6, 11, 24, 0.58));
  content: "";
  pointer-events: none;
}

main,
.site-footer {
  position: relative;
  z-index: 2;
}

.space-background {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 115%, rgba(19, 40, 77, 0.42), transparent 43%),
    linear-gradient(180deg, #02050d 0%, #050a17 45%, #07101f 100%);
}

.space-canvas {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.milky-way {
  position: absolute;
  z-index: 1;
  top: -18%;
  left: -32%;
  width: 170%;
  height: 72%;
  opacity: 0.68;
  background:
    radial-gradient(ellipse at 35% 50%, rgba(198, 225, 255, 0.28) 0, rgba(111, 164, 238, 0.14) 18%, transparent 50%),
    radial-gradient(ellipse at 62% 45%, rgba(111, 204, 255, 0.2) 0, rgba(59, 130, 246, 0.09) 24%, transparent 53%),
    radial-gradient(ellipse at center, rgba(235, 245, 255, 0.18), rgba(89, 122, 194, 0.08) 38%, transparent 67%);
  filter: blur(18px);
  transform: rotate(-17deg);
}

.milky-way::before,
.milky-way::after {
  position: absolute;
  content: "";
}

.milky-way::before {
  inset: 33% -5% 25%;
  opacity: 0.58;
  background:
    radial-gradient(circle at 8% 55%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.7px),
    radial-gradient(circle at 18% 25%, rgba(154, 211, 255, 0.72) 0 0.8px, transparent 1.5px),
    radial-gradient(circle at 27% 68%, rgba(255, 255, 255, 0.58) 0 1px, transparent 1.8px),
    radial-gradient(circle at 39% 36%, rgba(186, 221, 255, 0.68) 0 0.9px, transparent 1.6px),
    radial-gradient(circle at 51% 62%, rgba(255, 255, 255, 0.64) 0 1.1px, transparent 1.9px),
    radial-gradient(circle at 63% 31%, rgba(138, 202, 255, 0.74) 0 0.8px, transparent 1.5px),
    radial-gradient(circle at 72% 66%, rgba(255, 255, 255, 0.6) 0 1px, transparent 1.8px),
    radial-gradient(circle at 86% 38%, rgba(186, 221, 255, 0.7) 0 0.9px, transparent 1.6px),
    radial-gradient(circle at 94% 58%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.7px);
  background-size: 190px 105px, 230px 130px, 170px 95px, 260px 140px, 210px 120px, 180px 100px, 240px 135px, 200px 115px, 250px 145px;
  filter: blur(0.2px);
}

.milky-way::after {
  inset: 39% 3% 31%;
  border-radius: 50%;
  opacity: 0.42;
  background: linear-gradient(90deg, transparent, rgba(4, 8, 18, 0.72) 24%, rgba(16, 27, 52, 0.34) 50%, rgba(4, 8, 18, 0.66) 75%, transparent);
  filter: blur(20px);
}

.cosmic-nebula {
  position: absolute;
  z-index: 2;
  border-radius: 50%;
  filter: blur(62px);
  mix-blend-mode: screen;
}

.nebula-blue {
  top: 22%;
  right: -8%;
  width: 42vw;
  height: 34vw;
  opacity: 0.12;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.72), rgba(37, 99, 235, 0.2) 46%, transparent 72%);
}

.nebula-violet {
  bottom: 4%;
  left: -10%;
  width: 38vw;
  height: 32vw;
  opacity: 0.08;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.76), rgba(37, 99, 235, 0.16) 48%, transparent 72%);
}

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

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

button {
  font: inherit;
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.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;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-160%);
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 700;
  transition: transform 180ms ease;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.page-noise {
  position: fixed;
  z-index: 90;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background-image: repeating-radial-gradient(circle at 23% 31%, #fff 0, #fff 0.4px, transparent 0.7px, transparent 4px);
  background-size: 7px 7px;
  mix-blend-mode: soft-light;
}

.cursor-glow {
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.075), transparent 68%);
  transform: translate3d(calc(var(--cursor-x, 50vw) - 50%), calc(var(--cursor-y, 50vh) - 50%), 0);
  transition: opacity 300ms ease;
}

body:hover .cursor-glow {
  opacity: 1;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding-inline: max(32px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid transparent;
  transition: background 250ms ease, border-color 250ms ease, height 250ms ease;
}

.site-header.is-scrolled {
  height: 68px;
  border-color: var(--line-soft);
  background: rgba(3, 7, 17, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.55);
  background: rgba(34, 211, 238, 0.05);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.08em;
  clip-path: polygon(0 0, 78% 0, 100% 22%, 100% 100%, 22% 100%, 0 78%);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.16em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav a {
  position: relative;
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-contact {
  padding: 9px 16px;
  border: 1px solid var(--action-border);
  background: var(--action-bg);
  box-shadow: var(--action-shadow), inset 0 0 18px rgba(34, 211, 238, 0.025);
  color: var(--text);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-nav .nav-contact::after {
  display: none;
}

.site-nav .nav-contact:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 36px rgba(34, 211, 238, 0.28);
  color: var(--bg-deep);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin-block: 5px;
  background: currentColor;
  transition: transform 220ms ease;
}

.hero {
  position: relative;
  display: flex;
  min-height: 900px;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.hero::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: max(32px, calc((100vw - 1440px) / 2));
  width: 1px;
  background: linear-gradient(transparent 8%, var(--line-soft) 24%, var(--line-soft) 82%, transparent);
  content: "";
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(36, 50, 74, 0.36) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 50, 74, 0.36) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to bottom, transparent 4%, #000 30%, #000 68%, transparent 94%);
}

.hero-grid::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-deep) 0%, transparent 38%, transparent 80%, var(--bg-deep) 100%);
  content: "";
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.6fr);
  align-items: center;
  gap: 10%;
  padding-top: 10px;
  padding-bottom: 150px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.eyebrow span {
  display: inline-block;
  width: 26px;
  height: 1px;
  background: currentColor;
}

.hero h1 {
  max-width: 830px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(56px, 6vw, 92px);
  font-stretch: condensed;
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.hero h1 span,
.contact-inner h2 span {
  color: transparent;
  background: linear-gradient(110deg, var(--primary) 4%, var(--accent) 68%, #8deaff);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-intro {
  max-width: 700px;
  margin: 30px 0 0;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 0 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.button-primary {
  border: 1px solid var(--action-border);
  background: var(--action-bg);
  box-shadow: var(--action-shadow), inset 0 0 22px rgba(34, 211, 238, 0.035);
  color: var(--text);
  backdrop-filter: blur(12px);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease, transform 180ms ease;
}

.button-primary:hover {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 36px rgba(34, 211, 238, 0.28);
  color: var(--bg-deep);
  transform: translateY(-2px);
}

.text-link {
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 12px;
  transition: color 180ms ease;
}

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

.hero-console {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(13, 21, 38, 0.82), rgba(6, 11, 24, 0.48));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.hero-console::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: rotate(45deg) translate(5px, 12px);
  transform-origin: right;
}

.console-topbar,
.console-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.console-topbar {
  border-bottom: 1px solid var(--line-soft);
}

.console-footer {
  border-top: 1px solid var(--line-soft);
}

.live-indicator {
  color: var(--accent);
}

.live-indicator i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: status-pulse 2s infinite;
}

.console-body {
  padding: 26px 24px 18px;
}

.console-body p {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding-block: 13px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.console-body p:last-child {
  border-bottom: 0;
}

.console-body p span {
  color: var(--primary);
}

.console-signal {
  display: flex;
  height: 82px;
  align-items: end;
  gap: 7px;
  padding: 8px 24px 18px;
}

.console-signal i {
  width: 100%;
  height: var(--h);
  background: linear-gradient(to top, rgba(59, 130, 246, 0.18), var(--accent));
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.1);
  transform-origin: bottom;
  animation: signal 3.6s var(--ease) infinite alternate;
}

.console-signal i:nth-child(3n) {
  animation-delay: -1.2s;
}

.console-signal i:nth-child(2n) {
  animation-delay: -2.4s;
}

.hero-orbit {
  position: absolute;
  z-index: 1;
  top: 48%;
  right: -165px;
  width: 560px;
  height: 560px;
  transform: translateY(-50%);
  opacity: 0.42;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(34, 211, 238, 0.24);
  border-radius: 50%;
}

.orbit-one {
  inset: 0;
  border-style: dashed;
  animation: spin 45s linear infinite;
}

.orbit-two {
  inset: 72px;
  border-color: rgba(59, 130, 246, 0.28);
  animation: spin 28s linear infinite reverse;
}

.orbit-core {
  position: absolute;
  inset: 170px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 50%;
  color: rgba(234, 242, 255, 0.48);
  font-family: var(--display);
  font-size: 58px;
}

.orbit-core::after {
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(59, 130, 246, 0.26);
  border-radius: inherit;
  content: "";
}

.orbit-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.node-one { top: 48px; left: 157px; }
.node-two { right: 27px; bottom: 190px; background: var(--primary); }
.node-three { bottom: 78px; left: 83px; background: var(--purple); }

.metric-strip {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
  background: rgba(6, 11, 24, 0.56);
  backdrop-filter: blur(12px);
}

.metric-strip article {
  position: relative;
  padding: 28px 30px 24px;
  border-right: 1px solid var(--line-soft);
}

.metric-strip article:last-child {
  border-right: 0;
}

.metric-strip article::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transition: width 500ms var(--ease);
}

.metric-strip article:hover::before {
  width: 100%;
}

.metric-strip strong {
  font-family: var(--display);
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
}

.metric-strip sup {
  margin-left: 2px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 14px;
}

.metric-strip p {
  margin: 9px 0 0;
  color: var(--text-faint);
  font-size: 12px;
}

.section {
  position: relative;
  padding-block: 148px;
}

.section-index {
  display: flex;
  align-items: center;
  gap: 14px;
  align-self: start;
  color: var(--text-faint);
  font-family: var(--mono);
}

.section-index span {
  color: var(--accent);
  font-size: 11px;
}

.section-index p {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
}

.profile-section {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  column-gap: 6%;
}

.profile-main {
  max-width: 920px;
}

.section-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.profile-main h2,
.section-heading h2,
.contact-inner h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 5vw, 70px);
  font-weight: 550;
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.lead-copy {
  max-width: 800px;
  margin: 32px 0 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 2;
}

.value-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 84px;
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.value-card {
  position: relative;
  min-height: 360px;
  padding: 32px;
  overflow: hidden;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(145deg, rgba(13, 21, 38, 0.5), rgba(6, 11, 24, 0.12));
  transition: background 300ms ease, transform 300ms var(--ease);
}

.value-card:hover {
  z-index: 2;
  background: linear-gradient(145deg, rgba(19, 31, 53, 0.9), rgba(13, 21, 38, 0.5));
  transform: translateY(-8px);
}

.value-card::after {
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(34, 211, 238, 0.12);
  border-radius: 50%;
  content: "";
}

.value-number {
  color: var(--primary);
  font-family: var(--mono);
  font-size: 11px;
}

.value-card h3 {
  margin: 42px 0 14px;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 500;
}

.value-card p {
  min-height: 90px;
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.value-card strong {
  display: block;
  margin-top: 38px;
  color: var(--accent);
  font-family: var(--display);
  font-size: 30px;
  font-weight: 500;
}

.value-card small {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.capabilities-section {
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, rgba(36, 50, 74, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(36, 50, 74, 0.12) 1px, transparent 1px),
    rgba(3, 7, 17, 0.45);
  background-size: 72px 72px;
}

.section-heading {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) minmax(220px, 0.38fr);
  align-items: end;
  gap: 6%;
  margin-bottom: 86px;
}

.section-heading .section-index {
  align-self: center;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 9%;
}

.capability-map {
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1;
  margin-inline: auto;
}

.map-ring,
.map-axis,
.map-core,
.map-label {
  position: absolute;
}

.map-ring {
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50%;
}

.ring-outer {
  inset: 0;
  border-style: dashed;
  animation: spin 60s linear infinite;
}

.ring-middle {
  inset: 16%;
  border-color: rgba(34, 211, 238, 0.2);
  animation: spin 38s linear infinite reverse;
}

.ring-inner {
  inset: 33%;
  border-color: rgba(139, 92, 246, 0.25);
}

.map-axis {
  background: linear-gradient(90deg, transparent, rgba(142, 160, 184, 0.17), transparent);
}

.axis-x {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
}

.axis-y {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(transparent, rgba(142, 160, 184, 0.17), transparent);
}

.map-core {
  inset: 38%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border: 1px solid rgba(34, 211, 238, 0.42);
  background: rgba(13, 21, 38, 0.82);
  box-shadow: 0 0 50px rgba(34, 211, 238, 0.08);
  transform: rotate(45deg);
}

.map-core strong,
.map-core span {
  transform: rotate(-45deg);
}

.map-core strong {
  color: var(--accent);
  font-family: var(--display);
  font-size: 28px;
}

.map-core span {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 6px;
}

.map-label {
  padding: 4px 9px;
  border: 1px solid var(--line);
  background: var(--bg-deep);
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.label-ai { top: 8%; left: 50%; transform: translateX(-50%); }
.label-cloud { top: 48%; right: -2%; }
.label-data { bottom: 9%; left: 44%; }
.label-team { top: 48%; left: 1%; }

.capability-list {
  border-top: 1px solid var(--line-soft);
}

.capability-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 20px;
  padding-block: 28px;
  border-bottom: 1px solid var(--line-soft);
  transition: padding 250ms var(--ease), background 250ms ease;
}

.capability-row:hover {
  padding-inline: 18px;
  background: rgba(19, 31, 53, 0.34);
}

.capability-row > span {
  padding-top: 3px;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 10px;
}

.capability-row h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
}

.capability-row p {
  margin: 6px 0 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.75;
}

.heading-note {
  max-width: 290px;
  margin: 0 0 5px;
  color: var(--text-faint);
  font-size: 13px;
}

.project-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.project-card {
  position: relative;
  padding: 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(19, 31, 53, 0.64), rgba(6, 11, 24, 0.42)),
    var(--surface);
  transition: border-color 250ms ease, transform 300ms var(--ease), box-shadow 300ms ease;
}

.project-card:hover {
  border-color: rgba(34, 211, 238, 0.42);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
  transform: translateY(-6px);
}

.project-card::after {
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(59, 130, 246, 0.11);
  border-radius: 50%;
  box-shadow: inset 0 0 60px rgba(59, 130, 246, 0.04);
  content: "";
}

.project-featured {
  grid-column: 1 / -1;
  padding: 48px;
  background:
    radial-gradient(circle at 88% 20%, rgba(34, 211, 238, 0.08), transparent 26%),
    linear-gradient(130deg, rgba(19, 31, 53, 0.86), rgba(6, 11, 24, 0.55));
}

.project-meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.project-title {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 32px;
}

.project-icon {
  display: grid;
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  clip-path: polygon(0 0, 72% 0, 100% 28%, 100% 100%, 28% 100%, 0 72%);
}

.project-title p {
  margin: 0 0 4px;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.11em;
}

.project-title h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 30px;
  font-weight: 520;
}

.project-featured .project-title h3 {
  font-size: 38px;
}

.project-summary {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.9;
}

.project-decisions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.project-decisions span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  background: rgba(6, 11, 24, 0.45);
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 9px;
}

.project-results {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  border-top: 1px solid var(--line-soft);
}

.project-results div {
  padding: 24px 20px 0 0;
}

.project-results strong {
  display: block;
  color: var(--accent);
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
}

.project-results span {
  color: var(--text-faint);
  font-size: 11px;
}

.project-results.compact {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
}

.project-results.compact strong {
  font-size: 24px;
}

.journey-section {
  border-top: 1px solid var(--line-soft);
  background: rgba(3, 7, 17, 0.4);
}

.timeline {
  position: relative;
  margin-left: 80px;
}

.timeline::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 184px;
  width: 1px;
  background: linear-gradient(var(--accent), var(--primary), var(--line));
  content: "";
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px 68px 1fr;
  min-height: 220px;
}

.timeline-date {
  display: flex;
  flex-direction: column;
  padding-top: 4px;
  font-family: var(--mono);
}

.timeline-date strong {
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
}

.timeline-date span {
  margin-top: 5px;
  color: var(--text-faint);
  font-size: 9px;
}

.timeline-node {
  position: relative;
}

.timeline-node::before {
  position: absolute;
  z-index: 1;
  top: 5px;
  left: 30px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg-deep);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.55);
  content: "";
}

.timeline-content {
  max-width: 760px;
  padding: 0 0 56px 20px;
  border-bottom: 1px solid var(--line-soft);
}

.timeline-item + .timeline-item .timeline-content {
  padding-top: 2px;
}

.timeline-content > p {
  margin: 0;
  color: var(--primary);
  font-size: 13px;
}

.timeline-content h3 {
  margin: 8px 0 20px;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
}

.timeline-content ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-content li {
  position: relative;
  margin-top: 8px;
  padding-left: 18px;
  color: var(--text-soft);
  font-size: 13px;
}

.timeline-content li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.education-item {
  min-height: 100px;
}

.education-item .timeline-content {
  border-bottom: 0;
}

.contact-section {
  position: relative;
  padding-block: 150px;
  overflow: hidden;
  border-top: 1px solid rgba(34, 211, 238, 0.18);
  background:
    radial-gradient(circle at 68% 40%, rgba(59, 130, 246, 0.17), transparent 30%),
    linear-gradient(145deg, rgba(7, 18, 37, 0.88), rgba(3, 7, 17, 0.92));
}

.contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.1) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at center, #000, transparent 70%);
  transform: perspective(400px) rotateX(56deg) scale(1.5) translateY(25%);
}

.contact-inner {
  position: relative;
  z-index: 1;
}

.contact-inner h2 {
  font-size: clamp(52px, 7vw, 100px);
}

.contact-inner > p:not(.eyebrow) {
  max-width: 630px;
  margin: 30px 0 0;
  color: var(--text-soft);
  font-size: 16px;
}

.contact-options {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
  gap: clamp(34px, 6vw, 74px);
  align-items: center;
  margin-top: 58px;
}

.contact-links {
  border-top: 1px solid var(--line);
}

.contact-link {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 48px;
  gap: 20px;
  align-items: center;
  min-height: 104px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  transition: color 220ms ease, padding 220ms var(--ease), border-color 220ms ease;
}

.contact-label {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.contact-link strong {
  font-family: var(--display);
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 520;
  letter-spacing: -0.025em;
}

.contact-link i {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.4);
  border-radius: 50%;
  color: var(--accent);
  font-family: var(--body);
  font-size: 17px;
  font-style: normal;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
}

.contact-link:hover {
  padding-inline: 16px;
  border-color: rgba(34, 211, 238, 0.42);
  color: var(--accent);
}

.contact-link:hover i {
  background: var(--accent);
  color: var(--bg-deep);
  transform: rotate(45deg);
}

.wechat-card {
  position: relative;
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: linear-gradient(145deg, rgba(18, 36, 62, 0.84), rgba(7, 16, 31, 0.9));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28), inset 0 0 30px rgba(34, 211, 238, 0.035);
}

.wechat-card::before,
.wechat-card::after {
  position: absolute;
  width: 22px;
  height: 22px;
  content: "";
  pointer-events: none;
}

.wechat-card::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
}

.wechat-card::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
}

.wechat-code {
  padding: 10px;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
}

.wechat-code img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 5px;
}

.wechat-card figcaption {
  display: grid;
  gap: 2px;
  padding: 17px 4px 2px;
}

.wechat-card figcaption span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.wechat-card figcaption strong {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 540;
}

.wechat-card figcaption small {
  color: var(--text-soft);
  font-size: 12px;
}

.site-footer {
  display: flex;
  min-height: 100px;
  align-items: center;
  justify-content: space-between;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.site-footer a {
  transition: color 180ms ease;
}

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

.is-ready .reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 750ms var(--ease), transform 750ms var(--ease);
}

.is-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@keyframes signal {
  0% { transform: scaleY(0.45); opacity: 0.45; }
  100% { transform: scaleY(1); opacity: 1; }
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

@media (max-width: 1050px) {
  :root {
    --shell: min(100% - 48px, 920px);
  }

  .hero {
    min-height: 940px;
  }

  .hero-content {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
    gap: 5%;
  }

  .hero h1 {
    font-size: clamp(52px, 7vw, 72px);
  }

  .hero-orbit {
    right: -240px;
  }

  .section {
    padding-block: 116px;
  }

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

  .value-card {
    display: grid;
    min-height: auto;
    grid-template-columns: 32px 150px 1fr auto;
    align-items: center;
    gap: 22px;
  }

  .value-card h3,
  .value-card p,
  .value-card strong {
    margin: 0;
  }

  .value-card p {
    min-height: 0;
  }

  .value-card small {
    display: none;
  }

  .capability-layout {
    grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr);
    gap: 5%;
  }

  .timeline {
    margin-left: 0;
  }
}

@media (max-width: 800px) {
  :root {
    --shell: calc(100% - 40px);
    --header-height: 70px;
  }

  body.nav-open {
    overflow: hidden;
  }

  .milky-way {
    top: -8%;
    left: -84%;
    width: 250%;
    height: 62%;
    opacity: 0.58;
    transform: rotate(-24deg);
  }

  .nebula-blue {
    top: 25%;
    right: -26%;
    width: 76vw;
    height: 64vw;
  }

  .nebula-violet {
    bottom: 5%;
    left: -28%;
    width: 74vw;
    height: 66vw;
  }

  .site-header {
    padding-inline: 20px;
    background: rgba(3, 7, 17, 0.72);
    backdrop-filter: blur(16px);
  }

  .brand-copy small {
    display: none;
  }

  .nav-toggle {
    z-index: 2;
    display: block;
  }

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

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    visibility: hidden;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    gap: 22px;
    padding: 100px 36px;
    opacity: 0;
    background:
      radial-gradient(circle at 82% 16%, rgba(34, 211, 238, 0.1), transparent 24%),
      rgba(3, 7, 17, 0.98);
    transition: opacity 250ms ease, visibility 250ms ease;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
  }

  .site-nav a {
    font-family: var(--display);
    font-size: 28px;
  }

  .site-nav .nav-contact {
    margin-top: 15px;
    font-family: var(--mono);
    font-size: 13px;
  }

  .hero {
    display: block;
    min-height: auto;
    padding-top: 145px;
  }

  .hero::before {
    left: 20px;
  }

  .hero-content {
    display: block;
    padding-bottom: 60px;
  }

  .hero h1 {
    font-size: clamp(44px, 12.5vw, 68px);
    line-height: 1.08;
  }

  .hero-intro {
    font-size: 15px;
  }

  .hero-console {
    max-width: 520px;
    margin-top: 56px;
  }

  .hero-orbit {
    top: 29%;
    right: -320px;
    opacity: 0.24;
  }

  .metric-strip {
    position: relative;
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-strip article:nth-child(2) {
    border-right: 0;
  }

  .metric-strip article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .section {
    padding-block: 94px;
  }

  .profile-section {
    grid-template-columns: 1fr;
  }

  .profile-section > .section-index {
    margin-bottom: 30px;
  }

  .section-index p {
    writing-mode: initial;
  }

  .profile-main h2,
  .section-heading h2 {
    font-size: clamp(38px, 9vw, 56px);
  }

  .lead-copy {
    font-size: 16px;
  }

  .value-grid {
    grid-column: 1;
    margin-top: 58px;
  }

  .value-card {
    display: block;
    padding: 28px;
  }

  .value-card h3 {
    margin: 28px 0 12px;
  }

  .value-card strong {
    margin-top: 26px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 58px;
  }

  .section-heading .section-index {
    align-self: start;
  }

  .heading-note {
    max-width: 480px;
  }

  .capability-layout {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .capability-map {
    width: min(84vw, 430px);
  }

  .project-stack {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-featured {
    grid-column: 1;
    padding: 28px;
  }

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

  .project-results.compact {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item {
    grid-template-columns: 30px 1fr;
    min-height: 0;
  }

  .timeline-date {
    grid-column: 2;
    flex-direction: row;
    gap: 8px;
    padding: 0 0 12px 20px;
  }

  .timeline-node {
    grid-row: 1 / 3;
  }

  .timeline-node::before {
    top: 4px;
    left: 6px;
  }

  .timeline-content {
    grid-column: 2;
    padding: 0 0 56px 20px;
  }

  .contact-section {
    padding-block: 110px;
  }

  .contact-inner h2 {
    font-size: clamp(48px, 12vw, 76px);
  }

  .contact-options {
    grid-template-columns: 1fr;
    max-width: 720px;
  }

  .wechat-card {
    display: grid;
    grid-template-columns: minmax(200px, 280px) 1fr;
    gap: 24px;
    align-items: center;
  }

  .wechat-card figcaption {
    padding: 0;
  }

  .site-footer {
    min-height: 120px;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    gap: 7px;
  }
}

@media (max-width: 520px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .button {
    width: 100%;
  }

  .metric-strip article {
    padding: 23px 18px;
  }

  .metric-strip strong {
    font-size: 30px;
  }

  .capability-row {
    grid-template-columns: 34px 1fr;
    gap: 10px;
  }

  .project-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .project-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .project-featured .project-title h3,
  .project-title h3 {
    font-size: 28px;
  }

  .project-results,
  .project-results.compact {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-results strong,
  .project-results.compact strong {
    font-size: 22px;
  }

  .contact-options {
    margin-top: 42px;
  }

  .contact-link {
    grid-template-columns: minmax(0, 1fr) 40px;
    gap: 3px 14px;
    min-height: 96px;
  }

  .contact-label,
  .contact-link strong {
    grid-column: 1;
  }

  .contact-link strong {
    font-size: 20px;
  }

  .contact-link i {
    grid-row: 1 / 3;
    grid-column: 2;
    width: 40px;
    height: 40px;
  }

  .wechat-card {
    display: block;
    padding: 14px;
  }

  .wechat-card figcaption {
    padding: 15px 3px 1px;
  }

  .site-footer p:nth-child(2) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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

@media (pointer: coarse) {
  .cursor-glow {
    display: none;
  }
}