/* ── Pre-save Button ── */
.primary-presave-button {
    font-family: 'Neon', cursive;
    text-align: center;
    padding: 20px 40px;
    border: 2px solid;
    background-color: rgba(0, 0, 0, 0.85);
    color: white;
    text-decoration: none;
    transition: 0.3s;
    margin: 10px;
    display: inline-block;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    font-size: 2rem;
    min-width: 200px;
    width: 350px;
}

/* ── Neon Overlay Intro ── */
#neonOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background-color: black;
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeOutOverlay 1.5s ease-out 1.5s forwards;
}

.overlay-text {
    font-family: 'Neon', cursive;
    font-size: 7rem;
    color: white;
    text-align: center;
    text-shadow: 0 0 10px cyan, 0 0 20px cyan, 0 0 40px cyan;
    animation: flickerIntro 1s infinite;
    transition: text-shadow 0.3s ease;
}

@keyframes flickerIntro {
    0% { opacity: 1; }
    20% { opacity: 0.8; }
    40% { opacity: 0.5; }
    60% { opacity: 0.6; }
    80% { opacity: 0.9; }
    100% { opacity: 1; }
}

@keyframes fadeOutOverlay {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .pre-save-content {
        text-align: center;
        padding: 0px;
    }
}