/* Base & Utilities */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Floating card animations */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-7px); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.floating-card-1 {
    animation: float-slow 4s ease-in-out infinite;
}

.floating-card-2 {
    animation: float-medium 3.5s ease-in-out infinite 0.5s;
}

.floating-card-3 {
    animation: float-fast 3s ease-in-out infinite 1s;
}

/* Scroll reveal - progressive enhancement */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(254, 253, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

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

::-webkit-scrollbar-track {
    background: #fdf9ed;
}

::-webkit-scrollbar-thumb {
    background: #bfe0bf;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #93c993;
}

/* Focus visible */
*:focus-visible {
    outline: 2px solid #3d7a3d;
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: #dcefdc;
    color: #224322;
}