.scene {
    position: relative;
    height: 250vh;
}
.viewport {
    position: sticky;
    top: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    mix-blend-mode: lighten;
    overflow: hidden;
}

/* Canvas element is responsive; 
#seqCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}JS sets its pixel buffer */
#seqCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: auto;
    top: 0;
    display: block;
    transform: translate(-50%, -3%);
    left: 50%;
}
.reveal {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 48px 18px;
    transform: translateY(100%);
    will-change: transform;
    z-index: 3;
}

.reveal-inner {
    width: min(1100px, 92vw);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 20px;
    padding: 22px;
    box-shadow: 0 14px 60px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    visibility: hidden;

}

.reveal-inner h2 {
    margin: 0 0 10px 0;
    font-size: 28px;
    letter-spacing: -0.02em;
}

.reveal-inner p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
    max-width: 80ch;
}

.after {
    min-height: 120vh;

    padding: 90px 18px;
}

.after .wrap {
    width: min(1100px, 92vw);
    margin: 0 auto;
    color: var(--muted);
    line-height: 1.7;
}