:root {
  --bg: #08111f;
  --bg-soft: #0d1727;
  --panel: rgba(11, 20, 34, 0.86);
  --panel-2: rgba(15, 27, 46, 0.78);
  --line: rgba(155, 196, 255, 0.14);
  --line-strong: rgba(155, 196, 255, 0.24);
  --text: #eff5ff;
  --muted: rgba(224, 233, 247, 0.72);
  --accent: #6cc4ff;
  --accent-2: #9c7bff;
  --accent-warm: #f1c57a;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.34);
  --radius: 28px;
  --content-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(108, 196, 255, 0.18), transparent 24%),
    radial-gradient(circle at 86% 14%, rgba(156, 123, 255, 0.14), transparent 22%),
    linear-gradient(180deg, #07101d 0%, var(--bg) 48%, #050b15 100%);
  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.halo {
  position: absolute;
  border-radius: 999px;
  filter: blur(30px);
}

.halo-a {
  top: 80px;
  right: -140px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(108, 196, 255, 0.22), transparent 66%);
}

.halo-b {
  left: -120px;
  bottom: 80px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(156, 123, 255, 0.16), transparent 70%);
}

.mesh {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent);
}

.shell {
  position: relative;
  width: min(calc(100% - 28px), var(--content-width));
  margin: 0 auto;
  padding: 18px 0 72px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 17, 30, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  padding: 8px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

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

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy small,
.nav a,
.eyebrow,
.section-kicker,
.signal-label,
.signal-list span,
.metric-card span,
.capability-card span,
.timeline-node span,
.project-panel span,
.team-card span,
.contact-side span {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.brand-copy small,
.nav a {
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.92rem;
}

.hero,
.about-card,
.stats-row,
.capability-card,
.timeline-node,
.project-panel,
.network-section,
.team-card,
.contact-section,
.signal-card,
.metric-card,
.credential-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 42px;
  margin-top: 26px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.03), transparent 42%),
    linear-gradient(180deg, rgba(11, 20, 34, 0.96), rgba(9, 17, 30, 0.94));
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
}

.hero-main {
  display: grid;
  align-content: start;
  gap: 18px;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.3rem, 7vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
  max-width: 9.5ch;
}

.hero h1 span {
  display: block;
  color: var(--accent-warm);
}

.hero-copy,
.about-card p,
.capability-card p,
.timeline-node p,
.project-panel p,
.team-card p,
.contact-main p,
.credential-card p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-copy {
  max-width: 58ch;
}

.trust-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-flags span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(224, 233, 247, 0.82);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #f8fbff;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.04);
}

.hero-side {
  display: grid;
  gap: 18px;
}

.hero-visual {
  overflow: hidden;
  min-height: 220px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.signal-card,
.metric-card,
.credential-card {
  padding: 28px;
}

.signal-card {
  background:
    linear-gradient(180deg, rgba(17, 31, 52, 0.96), rgba(10, 18, 32, 0.96)),
    linear-gradient(135deg, rgba(108, 196, 255, 0.12), transparent 40%);
}

.signal-label {
  color: rgba(224, 233, 247, 0.68);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.35rem;
}

.signal-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 14px;
}

.signal-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(224, 233, 247, 0.12);
}

.signal-list span {
  color: rgba(224, 233, 247, 0.64);
  font-size: 0.78rem;
}

.signal-list p {
  margin: 0;
  line-height: 1.7;
  color: #f1f6ff;
}

.metric-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  background: var(--panel-2);
}

.metric-card div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
}

.metric-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.78rem;
}

.metric-card strong {
  font-size: 1.15rem;
}

.ticker {
  overflow: hidden;
  padding: 16px 0 12px;
}

.ticker-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: slide 28s linear infinite;
}

.ticker-track span,
.network-list span {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(224, 233, 247, 0.82);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.about-grid,
.capability-section,
.timeline-section,
.projects-section,
.credentials-section,
.team-section,
.contact-section {
  margin-top: 18px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
}

.about-card {
  padding: 34px;
}

.about-card h2,
.section-heading h2,
.contact-main h2 {
  margin: 14px 0 16px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  max-width: 14ch;
}

.about-card.highlight {
  background:
    linear-gradient(180deg, rgba(108, 196, 255, 0.12), rgba(156, 123, 255, 0.1)),
    var(--panel);
}

.about-card h3,
.capability-card h3,
.timeline-node h3,
.project-panel h3,
.credential-card h3 {
  margin: 16px 0 10px;
  font-size: 1.58rem;
  line-height: 1.12;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 24px 28px;
  margin-top: 18px;
}

.stats-row article {
  padding-right: 18px;
  border-right: 1px solid var(--line);
}

.stats-row article:last-child {
  padding-right: 0;
  border-right: 0;
}

.stats-row strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.4rem;
}

.stats-row span {
  color: var(--muted);
  line-height: 1.65;
}

.section-heading {
  padding: 18px 6px 22px;
}

.capability-grid,
.project-grid,
.team-grid,
.credentials-grid {
  display: grid;
  gap: 22px;
}

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

.team-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-card,
.project-panel,
.team-card {
  min-height: 260px;
  padding: 28px;
}

.capability-card span,
.project-panel span,
.team-card span,
.credential-card span {
  color: var(--accent);
  font-size: 0.8rem;
}

.timeline-stack {
  display: grid;
  gap: 16px;
}

.timeline-node {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  padding: 24px 28px;
}

.timeline-node span {
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.credentials-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.credential-card.featured {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: center;
}

.credential-card.featured img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
}

.license-thumb {
  width: 100%;
  margin-top: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
}

.text-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 600;
}

.network-section {
  margin-top: 18px;
  padding: 28px;
}

.network-head h2 {
  margin: 12px 0 20px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  max-width: 14ch;
}

.network-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  padding: 34px;
}

.contact-side {
  display: grid;
  gap: 18px;
}

.contact-side div {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.contact-side span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.contact-side strong {
  display: block;
  font-size: 1.08rem;
  line-height: 1.5;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 6px 0;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a:hover,
.text-link:hover,
.contact-side strong:hover {
  color: var(--accent);
}

.reveal,
.reveal-delay,
.reveal-delay-2 {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal-delay {
  transition-delay: 140ms;
}

.reveal-delay-2 {
  transition-delay: 280ms;
}

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

@keyframes slide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .about-grid,
  .stats-row,
  .capability-grid,
  .timeline-node,
  .project-grid,
  .credentials-grid,
  .team-grid,
  .contact-section,
  .footer,
  .metric-card {
    grid-template-columns: 1fr;
  }

  .hero,
  .about-card,
  .stats-row,
  .capability-card,
  .timeline-node,
  .project-panel,
  .credential-card,
  .network-section,
  .team-card,
  .contact-section,
  .signal-card,
  .metric-card {
    padding: 26px;
  }

  .stats-row article {
    padding-right: 0;
    padding-bottom: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats-row article:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .credential-card.featured {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding-top: 10px;
  }

  .topbar {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 28px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    padding: 26px;
  }

  .hero h1,
  .about-card h2,
  .section-heading h2,
  .contact-main h2,
  .network-head h2 {
    max-width: none;
    font-size: clamp(2.6rem, 13vw, 4.6rem);
  }

  .hero-actions,
  .trust-flags,
  .footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}