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

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

/* Scroll reveal — progressive enhancement, only active when JS runs */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Scroll indicator animation */
@keyframes scroll-down {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.animate-scroll-down {
    animation: scroll-down 1.2s ease-in-out infinite;
}

/* Pulse dot */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

.animate-pulse {
    animation: pulse-dot 2s ease-in-out infinite;
}

/* Mobile menu transitions */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
    padding-bottom: 1rem;
}

/* Navbar glass effect */
.nav-scrolled {
    background: rgba(253, 252, 250, 0.92) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(45, 95, 45, 0.08);
}

.nav-transparent {
    background: transparent !important;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #5ea05e;
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: #f0f5f0;
}

::-webkit-scrollbar-thumb {
    background: #b9d4b9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8bbf8b;
}

/* Selection color */
::selection {
    background: #dce8dc;
    color: #1c381c;
}