.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}
.topbar {
  position: sticky;
  top: 14px;
  z-index: 50;
  min-height: 62px;
  margin-top: 14px;
  padding: 0 12px 0 10px;
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(12, 14, 24, .8);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 50px rgba(0,0,0,.2);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
}
.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 6px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 50% 32%, rgba(255,255,255,.16), transparent 52%),
    linear-gradient(135deg, var(--accent), #818cf8);
  box-shadow: 0 0 34px rgba(93, 95, 239, .35);
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.55));
  transform: translateZ(0);
}
.brand strong { display: block; font-size: 14px; line-height: 1; }
.brand small { display: block; margin-top: 3px; font: 600 10px/1 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .09em; }
.topnav { display: flex; align-items: center; gap: 4px; flex: 1; }
.topnav a {
  padding: 8px 11px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  transition: color 140ms, background 140ms;
}
.topnav a:hover { color: var(--text); background: rgba(255,255,255,.045); }
.top-action {
  padding: 10px 14px;
  border: 1px solid rgba(93,95,239,.38);
  border-radius: 10px;
  background: var(--accent-soft);
  color: #c7d2fe;
  font-size: 13px;
  font-weight: 700;
}
.section-pad { padding: 76px 0; }
.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, .72fr);
  align-items: center;
  gap: 34px;
}
.hero-copy { max-width: 720px; }
.section { scroll-margin-top: 100px; }
.section-title { max-width: 760px; margin-bottom: 26px; }
.section-title.row-title { max-width: none; display: flex; justify-content: space-between; gap: 20px; align-items: end; }
.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 42px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font: 600 11px/1.4 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}