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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

/* Scroll reveal animations — progressive enhancement, hidden by default when JS unavailable */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

/* Navbar transition */
.nav-scrolled {
    background: rgba(253, 252, 246, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
}

.nav-scrolled .nav-logo-text {
    color: #065f46 !important;
}

/* Mobile menu transitions */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

#mobile-menu.open {
    max-height: 400px;
    padding-top: 0;
}

/* Image lazy loading fade-in */
img[loading="lazy"] {
    transition: opacity 0.5s ease;
}

/* Selection color */
::selection {
    background: #065f46;
    color: #fefce8;
}

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

::-webkit-scrollbar-track {
    background: #fdfcf6;
}

::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #065f46;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Smooth image rendering */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}