.container { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; position: relative; z-index: 2; }
.section { padding: var(--spacing-3xl) 0; }
.hero { min-height: 100vh; display: grid; align-items: center; padding: 7rem 0 4rem; }
.hero-content { max-width: 760px; }
.hero-shield-wrap { display: none; }
@media (min-width: 880px) {
  .hero { display: flex; align-items: center; gap: var(--spacing-2xl); }
  .hero-content { flex: 1; max-width: 580px; }
  .hero-shield-wrap { display: flex; flex: 0 0 260px; align-items: center; justify-content: center; }
  #shield-canvas { display: block; width: 260px; height: 260px; }
}
.site-header { position: sticky; top: 0; backdrop-filter: blur(8px); background: rgb(10 10 10 / 0.75); z-index: 4; border-bottom: 1px solid rgb(34 34 34 / .6); }
.nav { display: flex; justify-content: space-between; align-items: center; min-height: 4rem; gap: var(--spacing-md); }
.nav-toggle { display: none; margin: 0; padding: 6px 12px; font-size: var(--font-size-xs); border: 1px solid var(--color-border); background: rgb(20 20 20 / .9); color: var(--color-text); }
.nav-links { display: flex; gap: var(--spacing-lg); list-style: none; padding: 0; margin: 0; }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--spacing-md); flex-wrap: wrap; padding: var(--spacing-2xl) 0; border-top: 1px solid var(--color-border); }
.pipeline { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--spacing-md); padding: 0; }
.bg-layers { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.topo-layer { position: absolute; inset: -12px; background: url('../assets/topo.svg') center/cover no-repeat; opacity: 0.32; transform: translate3d(0,0,0); }
#particle-canvas { position: absolute; inset: 0; opacity: .6; }
#particle-canvas > canvas { display: block; width: 100%; height: 100%; }
.grain-layer { position: absolute; inset: 0; background: url('../assets/grain.svg') repeat; opacity: .035; }
@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; top: 4rem; right: 1rem; flex-direction: column; width: min(320px, calc(100vw - 2rem)); padding: var(--spacing-md); background: rgb(12 12 12 / .96); border: 1px solid var(--color-border); border-radius: 12px; }
  .nav-links.is-open { display: flex; }
  .pipeline { grid-template-columns: 1fr; }
}