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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: #0a1628;
    color: #ffffff;
}

/* Scroll reveal base — always visible by default */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Only apply hidden state when JS enables progressive enhancement */
.reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
}

/* Hero entrance */
.hero-sub {
    animation: fadeUp 0.8s ease-out 0.3s both;
}

/* Navbar scroll state */
header.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile menu transitions */
#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu.closed {
    transform: translateX(100%);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #1a3d7a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9982e;
}

/* Selection */
::selection {
    background: rgba(201, 152, 46, 0.3);
    color: #ffffff;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-hidden {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Nav active state */
nav a.active {
    color: #d4a843;
}