*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-syne {
    font-family: 'Syne', sans-serif;
}

.font-sans {
    font-family: 'Instrument Sans', sans-serif;
}

/* Mobile menu animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.mobile-link {
    animation: slideUp 0.4s ease forwards;
}

.mobile-link:nth-child(2) { animation-delay: 0.1s; }
.mobile-link:nth-child(3) { animation-delay: 0.15s; }
.mobile-link:nth-child(4) { animation-delay: 0.2s; }
.mobile-link:nth-child(5) { animation-delay: 0.25s; }

/* Scroll reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.hidden {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {
    background: rgba(74, 222, 128, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(74, 222, 128, 0.4);
}

/* Writing mode for vertical text */
.writing-mode-vertical {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}