@keyframes sbv-plancha-heartbeat {
    0%, 100% {
        transform: translateY(0) scale(1) rotate(0deg);
        box-shadow:
            inset 0 0 0 0 rgba(255, 217, 0, 0),
            0 0 0 0 rgba(255, 217, 0, 0);
        filter: brightness(1);
    }
    50% {
        transform: translateY(-2px) scale(1.12) rotate(-0.6deg);
        box-shadow:
            inset 0 0 0 10px rgba(255, 217, 0, 0.36),
            0 10px 26px rgba(0, 0, 0, 0.22);
        filter: brightness(0.98);
    }
}

@keyframes sbv-plancha-shimmer {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

@keyframes sbv-plancha-sweep {
    0% { transform: translateX(-140%) skewX(-20deg); opacity: 0; }
    18% { opacity: 0.55; }
    42% { transform: translateX(240%) skewX(-20deg); opacity: 0; }
    100% { transform: translateX(240%) skewX(-20deg); opacity: 0; }
}

.cta-extend-plancha {
    display: block;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 1rem 1.1rem;
    border-radius: 10px;
    border: 0;
    background: linear-gradient(90deg,
        rgba(255, 217, 0, 1) 0%,
        rgba(255, 217, 0, 0.78) 45%,
        rgba(255, 217, 0, 1) 100%
    );
    background-size: 220% 100%;
    color: var(--brand-black);
    font-size: 1.05rem;
    font-weight: 800;
    /* Een CTA die afbreekt leest als twee halve knoppen. De tekst is kort genoeg
       gemaakt om overal op één regel te passen; nowrap houdt dat zo, ook als de
       kopij ooit weer groeit — dan valt het meteen op in
       apps/local/tests/mobiel_funnel/ in plaats van stilletjes af te breken. */
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: filter 0.15s ease, transform 0.15s ease;
    animation: sbv-plancha-heartbeat 1.35s ease-in-out infinite, sbv-plancha-shimmer 2s linear infinite;
    will-change: transform, box-shadow, filter;
}

.cta-extend-plancha::before {
    content: '';
    position: absolute;
    top: -60%;
    left: 0;
    width: 46%;
    height: 220%;
    pointer-events: none;
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.32) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: sbv-plancha-sweep 2.8s ease-in-out infinite;
}

.cta-extend-plancha:hover {
    filter: brightness(0.96);
}

.cta-extend-plancha:active {
    transform: translateY(0);
    animation: none;
}

.cta-extend-plancha:focus-visible {
    outline: 3px solid rgba(255, 217, 0, 0.35);
    outline-offset: 3px;
}

.motion-hint {
    margin: 0.6rem 0 0 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.motion-hint.is-warning {
    color: var(--text-primary);
}