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

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

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

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Scroll reveal — progressive enhancement, only active when JS runs and reduced-motion is off */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Without JS or with reduced motion, everything is visible by default */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

/* Stat card float animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.stat-card:nth-child(1) { animation: float 5s ease-in-out infinite; }
.stat-card:nth-child(2) { animation: float 5s ease-in-out infinite 0.8s; }
.stat-card:nth-child(3) { animation: float 5s ease-in-out infinite 1.6s; }
.stat-card:nth-child(4) { animation: float 5s ease-in-out infinite 2.4s; }

/* Mobile menu transitions */
#mobileMenu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}
#mobileMenu.open {
    opacity: 1;
    pointer-events: auto;
}
#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1e3a5f;
}
::-webkit-scrollbar-thumb {
    background: #d4a843;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #e0bc60;
}