:root {
  --bg: #08111f;
  --panel: rgba(10, 20, 36, 0.82);
  --panel-alt: rgba(255, 255, 255, 0.06);
  --text: #ebf2ff;
  --muted: #98accf;
  --line: rgba(255, 255, 255, 0.12);
  --cyan: #52d9d3;
  --gold: #f7ba58;
  --coral: #ff7f6a;
  --blue: #6eb8ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(82, 217, 211, 0.16), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(110, 184, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #06101d 0%, #0c1628 48%, #08111f 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar,
.footer,
.hero,
.section,
.subpage-hero,
.subpage-section {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.topbar,
.footer { border-radius: 24px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  position: sticky;
  top: 16px;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #04111d;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}
.brand strong,
.section-heading h2,
.hero h1,
.subpage-hero h1 {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}
.brand small { display: block; color: var(--muted); margin-top: 2px; }

.main-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.main-nav a,
.footer-links a,
.text-link,
.info-panel a,
.news-card a { color: var(--cyan); }
.nav-toggle { display: none; }

.hero,
.subpage-hero {
  margin-top: 24px;
  border-radius: 36px;
  padding: 34px;
}
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  min-height: 72vh;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.hero h1,
.subpage-hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 1.04;
}
.hero-text,
.section-heading p,
.subpage-hero p,
.tab-panel p,
.capability-card p,
.resource-card span,
.news-card p,
.info-panel p,
.feature-list li,
.metric-strip li,
.timeline li,
.contact-list li,
.detail-card p,
.content-card p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
}
.button-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #06101d;
}
.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.hero-stats,
.metric-strip,
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.hero-stats li,
.metric-strip li {
  padding: 16px;
  border-radius: 18px;
  background: var(--panel-alt);
  border: 1px solid var(--line);
}
.hero-stats strong,
.metric-strip strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.hero-visual { display: grid; gap: 18px; align-content: center; }
.visual-card,
.visual-inline {
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
}
.visual-main { transform: rotate(-2deg); }
.visual-side { width: 72%; justify-self: end; transform: rotate(3deg); }

.section,
.subpage-section {
  margin-top: 22px;
  border-radius: 30px;
  padding: 30px;
}
.band {
  background:
    linear-gradient(160deg, rgba(82, 217, 211, 0.08), transparent 40%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.02)),
    var(--panel);
}
.section-heading { max-width: 760px; margin-bottom: 22px; }
.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.overview-grid,
.capability-grid,
.resource-grid,
.news-grid,
.content-grid,
.detail-grid {
  display: grid;
  gap: 18px;
}
.overview-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.info-panel,
.capability-card,
.resource-card,
.news-card,
.content-card,
.detail-card {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}
.accent-cyan { box-shadow: inset 0 0 0 1px rgba(82, 217, 211, 0.18); }
.accent-gold { box-shadow: inset 0 0 0 1px rgba(247, 186, 88, 0.18); }
.accent-coral { box-shadow: inset 0 0 0 1px rgba(255, 127, 106, 0.18); }
.accent-ink { box-shadow: inset 0 0 0 1px rgba(110, 184, 255, 0.18); }

.capability-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.capability-card span {
  color: var(--gold);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.scenario-tabs { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.tab-button {
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
}
.tab-button.active {
  background: linear-gradient(135deg, var(--coral), var(--gold));
  color: #1a1302;
}
.tab-panel {
  display: none;
  padding: 26px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}
.tab-panel.active { display: block; }

.resource-grid,
.news-grid,
.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.resource-card strong { display: block; margin-bottom: 8px; font-size: 1.12rem; }
.news-date { color: var(--gold); margin-bottom: 6px; }

.footer {
  margin-top: 24px;
  padding: 26px 30px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

.subpage-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: end;
}
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.feature-list,
.timeline { margin: 0; padding-left: 18px; }
.detail-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 1080px) {
  .hero,
  .subpage-hero,
  .overview-grid,
  .capability-grid,
  .detail-grid,
  .metric-strip { grid-template-columns: 1fr; }
  .visual-side { width: 100%; }
}

@media (max-width: 820px) {
  .site-shell { width: min(100% - 18px, 1280px); padding-top: 12px; }
  .topbar { flex-wrap: wrap; }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
  }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 10px;
  }
  .main-nav.open { display: flex; }
  .hero-stats,
  .resource-grid,
  .news-grid,
  .content-grid { grid-template-columns: 1fr; }
  .hero,
  .subpage-hero,
  .section,
  .subpage-section {
    padding: 22px;
    border-radius: 24px;
  }
  .topbar,
  .footer { border-radius: 20px; }
}