/* Custom animations and utilities */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-2deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 8s ease-in-out infinite;
    animation-delay: 1s;
}

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

/* Navbar scroll effect */
nav.scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

::-webkit-scrollbar-track {
    background: #f0fdf4;
}

::-webkit-scrollbar-thumb {
    background: #10b981;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #059669;
}

/* Selection color */
::selection {
    background: #86efac;
    color: #0f172a;
}

/* Input autofill styling */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px white inset !important;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
}

/* Fade-in animation for scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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