/* ===== BASE & ANIMATIONS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 4.5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Scroll reveal — progressive enhancement, only active with JS + reduced-motion off */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Mobile menu */
#mobile-menu {
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

#mobile-menu.hidden {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

#mobile-menu:not(.hidden) {
    max-height: 400px;
    opacity: 1;
}

/* Smooth scroll offset for fixed nav */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Selection color */
::selection {
    background-color: rgba(5, 150, 105, 0.2);
    color: #064E3B;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FEFDF8;
}
::-webkit-scrollbar-thumb {
    background: #A7F3D0;
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6EE7B7;
}