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

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

/* Navigation scroll state */
.nav-scrolled #nav-inner {
    background: rgba(247, 247, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(46, 46, 56, 0.06), 0 4px 20px rgba(46, 46, 56, 0.04);
}

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#mobile-menu.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

#mobile-menu:not(.hidden) {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-link {
    transition: color 0.2s ease, transform 0.2s ease;
}

.mobile-link:hover {
    color: #E8646B;
    transform: scale(1.05);
}

/* Scroll reveal — progressive enhancement, respects reduced motion */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

/* Fallback: always visible if JS is disabled or reduced motion preferred */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

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

::-webkit-scrollbar-track {
    background: #F7F7F8;
}

::-webkit-scrollbar-thumb {
    background: #D6D6DD;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #B0B0BD;
}

/* Selection color */
::selection {
    background: #FFD4D4;
    color: #2E2E38;
}