@keyframes floatSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
@keyframes fadeSlideUp {
    0% { transform: translateY(40px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}
@keyframes scaleIn {
    0% { transform: scale(0.85); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-float-slow {
    animation: floatSlow 5s ease-in-out infinite;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.card-lift {
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.card-lift:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.12);
}

details summary::-webkit-details-marker {
    display: none;
}

details summary {
    list-style: none;
}

@media (max-width: 640px) {
    .font-display { letter-spacing: -0.01em; }
}

html {
    scroll-behavior: smooth;
}