header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 24, 0.84);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-shell {
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.brand-mark {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  color: #02101f;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.desktop-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 0.65rem;
  padding: 0.45rem 0.7rem;
}

.mobile-nav {
  display: none;
  padding: 0.75rem 0 1rem;
}

.mobile-nav.open {
  display: grid;
  gap: 0.3rem;
}

.mobile-nav a {
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.6rem 0.8rem;
  color: var(--muted);
  background: var(--panel);
}

.mobile-nav a.active {
  color: var(--text);
  border-color: rgba(93, 224, 255, 0.55);
}

.hero {
  padding: 5rem 0 3.5rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.3rem;
  align-items: center;
}

.hero-copy p {
  color: var(--muted);
  max-width: 62ch;
  font-size: 1.08rem;
  margin: 1rem 0 1.3rem;
}

.gradient {
  background: linear-gradient(120deg, #f7fbff 5%, var(--brand) 52%, #c0bcff 92%);
  -webkit-background-clip: text;
  color: transparent;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.72rem 1rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(93, 224, 255, 0.45);
}

.btn.primary {
  color: #031226;
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand), #9cc4ff);
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow-md);
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.55rem;
}

.card p {
  color: var(--muted);
  margin: 0;
}

.kpi-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.kpi {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.04);
}

.kpi strong {
  display: block;
  font-size: 1.45rem;
  margin-bottom: 0.15rem;
}

.kpi span {
  color: var(--muted);
  font-size: 0.84rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  color: #d9e5ff;
  font-size: 0.8rem;
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-item {
  border-left: 2px solid rgba(93, 224, 255, 0.48);
  padding: 0.8rem 1rem;
  border-radius: 0.4rem 0.9rem 0.9rem 0.4rem;
  background: rgba(255, 255, 255, 0.03);
}

.timeline-item small {
  color: var(--brand);
}

.notice {
  border: 1px dashed rgba(93, 224, 255, 0.55);
  background: rgba(93, 224, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  color: #c8f6ff;
}

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

.table th,
.table td {
  border: 1px solid var(--line);
  padding: 0.58rem 0.65rem;
  text-align: left;
}

.table th {
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.88rem;
}

.table td {
  color: var(--muted);
  font-size: 0.92rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  border: 0;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-align: left;
  padding: 0.8rem;
}

.faq-content {
  display: none;
  padding: 0 0.8rem 0.8rem;
  color: var(--muted);
}

.faq-item.open .faq-content {
  display: block;
}

.footer {
  padding: 2rem 0 2.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3.6rem;
  }

  .desktop-nav {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
  }

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