/* Base & Utilities */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #faf6f0;
}
::-webkit-scrollbar-thumb {
    background: #b9d4ba;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #8bb88e;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(26, 86, 50, 0.08);
}

/* Mobile menu transitions */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal animations (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #3a7d41;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection */
::selection {
    background: #dce8df;
    color: #1a5632;
}

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

/* Smooth image transitions */
.group img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}