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

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

body {
    overflow-x: hidden;
}

/* Scroll reveal base — content always visible, animation applied via JS */
.reveal {
    opacity: 1;
    transform: none;
    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);
}

/* Staggered reveal delays */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.15s; }
.reveal:nth-child(3) { transition-delay: 0.25s; }
.reveal:nth-child(4) { transition-delay: 0.35s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    .animate-bounce {
        animation: none;
    }
    .animate-pulse {
        animation: none;
    }
}

/* Navbar glass effect */
nav.glass {
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Gold accent underline for section labels */
.text-gold-400 {
    color: #d4a853;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a0f1a;
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Selection color */
::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #f1f5f9;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #d4a853;
    outline-offset: 2px;
}

/* Select dropdown arrow override for Tailwind */
select option {
    background: #1e293b;
    color: #f1f5f9;
}