/* Custom animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@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-triggered fade-in */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(254, 253, 248, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #fefdf8;
}

::-webkit-scrollbar-thumb {
    background: #d1fae5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a7f3d0;
}

/* Selection color */
::selection {
    background: #d1fae5;
    color: #064e3b;
}