@keyframes ring-pulse {
    0% {
        transform: scale(0.85);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* ===== Landing Waitlist Responsive ===== */
@media (max-width: 480px) {
    .landing-footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Landing Nav — Hamburger Menu (Mobile) ===== */
.landing-nav-hamburger {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    padding: 0.4rem;
    cursor: pointer;
    transition:
        color 0.2s,
        border-color 0.2s;
    align-items: center;
    justify-content: center;
}

.landing-nav-hamburger:hover {
    color: var(--text-heading);
    border-color: var(--text-secondary);
}

.landing-nav-mobile-menu {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    border-top: 1px solid var(--border);
    background: rgba(15, 15, 15, 0.95);
}

.landing-nav-mobile-menu a {
    display: block;
    padding: 0.65rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
}

.landing-nav-mobile-menu a:last-child {
    border-bottom: none;
}

.landing-nav-mobile-menu a:hover {
    color: var(--text-heading);
}

@media (max-width: 767px) {
    .landing-nav-links {
        display: none;
    }
    .landing-nav-actions {
        display: none;
    }
    .landing-nav-hamburger {
        display: flex;
    }
}