html, body { height: 100%; }
.exptrail-wrap { position: fixed; inset: 0; z-index: 0; font-family: Arial, Helvetica, sans-serif; }
.exptrail-canvas { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; z-index: 0; }
.exptrail-overlay { position: fixed; inset: 0; z-index: 1; color: #e6eef7; line-height: 1.6; padding: 6vw 8vw; box-sizing: border-box; pointer-events: none; text-shadow: 0 1px 2px rgba(0,0,0,.5); }
.exptrail-overlay h1 { margin: 0 0 .75rem; font-size: clamp(1.6rem, 4vw, 3rem); letter-spacing: .5px; }
.exptrail-overlay p { margin: 0 0 1rem; max-width: 70ch; }