.nav { flex-wrap: wrap; }
.development-card .app-card-content { padding: 22px; }
.demo-page .site-header { position: static; flex-wrap: wrap; }
.demo-main { width: min(1000px, calc(100% - 32px)); margin: 40px auto; }
.demo-document { padding: clamp(20px, 5vw, 52px); border: 1px solid rgba(199, 160, 82, 0.42); border-radius: 28px; background: var(--white); box-shadow: 0 20px 70px var(--shadow); }
.demo-heading h1 { font-size: clamp(32px, 6vw, 54px); line-height: 1.2; margin-bottom: 16px; }
.demo-heading h1 span { display: block; font-size: 0.65em; margin-top: 10px; }
.demo-subtitle { font-size: clamp(17px, 3vw, 22px); }
.demo-video-section { margin-top: 28px; }
.demo-video-section h2, .demo-description h2 { font-size: clamp(22px, 4vw, 28px); line-height: 1.4; }
.demo-video-section video { display: block; width: 100%; max-width: 100%; max-height: 72vh; aspect-ratio: 16 / 9; object-fit: contain; background: #10172d; border-radius: 12px; }
.demo-video-error { padding: 16px; border: 1px solid var(--ink); border-radius: 12px; background: var(--paper); }
.demo-direct-link { color: var(--deep-purple); font-weight: 700; text-underline-offset: 0.2em; }
.demo-description { margin-top: 32px; border-top: 1px solid var(--gold); padding-top: 24px; }
.demo-description ul { padding-left: 1.4em; }
.demo-page a:focus-visible, .demo-page video:focus-visible, .development-card a:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
@media (max-width: 760px) {
  .demo-main { width: calc(100% - 20px); margin: 20px auto; }
  .demo-document { border-radius: 22px; }
}