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

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

body {
    overflow-x: hidden;
}

/* Scroll reveal base — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

/* Navbar scroll state */
nav.scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

nav.scrolled .text-navy-200 {
    color: rgba(199, 210, 230, 0.8) !important;
}

/* FAQ animations */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-content.open {
    max-height: 300px;
}

/* Mobile menu */
#mobileMenu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Selection color */
::selection {
    background: rgba(212, 160, 23, 0.3);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #1e2d4a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2d4a7a;
}

/* Smooth image loading */
img {
    image-rendering: auto;
    loading: lazy;
}