/* Custom styles — overrides and enhancements beyond Tailwind */

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

/* Floating animation for stat cards */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

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

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

.floating-card-delayed {
    animation: float-delayed 4s ease-in-out infinite;
    animation-delay: 2s;
}

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

.animate-float-delayed {
    animation: float-delayed 4s ease-in-out infinite;
    animation-delay: 2s;
}

/* Nav scroll effect */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Selection color */
::selection {
    background: #0d9488;
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Fade-in animation for sections */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.7s ease-out forwards;
}

/* Mobile menu transition */
#mobile-menu {
    animation: fadeInUp 0.2s ease-out;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .floating-card,
    .animate-float,
    .animate-float-delayed {
        animation: none;
    }
    html {
        scroll-behavior: auto;
    }
}