/* Base & Utilities */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
}

/* Floating card 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 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Scroll reveal — progressive enhancement via JS */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(254, 253, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(22, 101, 52, 0.08);
}

/* Focus visible styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #16a34a;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection color */
::selection {
    background: #bbf7d0;
    color: #064e3b;
}

/* Smooth image loading */
img {
    display: block;
    max-width: 100%;
}

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

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

::-webkit-scrollbar-thumb {
    background: #86efac;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4ade80;
}