/* Shared by every concept site: reset, the honesty ribbon, demo-form notice. Each concept adds its own look. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; line-height: 1.55; font-size: 17px; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
.concept-ribbon { position: sticky; top: 0; z-index: 100; display: flex; flex-wrap: wrap; gap: 4px 14px; justify-content: center; align-items: center;
  padding: 7px 14px; background: #0F1D38; color: #EEF3FB; font: 500 12.5px/1.35 system-ui, sans-serif; text-align: center; }
.concept-ribbon a { color: #4FA3F0; font-weight: 700; }
.demo-note { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: #E9FBF2; color: #0B4A2E; font-size: 15px; }
.sample { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid #4FA3F0; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }