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

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: #C8A961;
    color: #0A1628;
}

/* Animation keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Reveal on scroll — progressive enhancement, works without JS */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal.animated {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal.animated.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fallback: always visible if JS disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Mobile menu transitions */
#mobile-menu.open {
    pointer-events: all;
    opacity: 1;
}

#menu-toggle[aria-expanded="true"] #bar1 {
    transform: translateY(5.5px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] #bar2 {
    opacity: 0;
}

#menu-toggle[aria-expanded="true"] #bar3 {
    transform: translateY(-5.5px) rotate(-45deg);
    width: 1.5rem;
}

/* Header scroll state */
.header-scrolled {
    background: rgba(4, 13, 26, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(200, 169, 97, 0.1);
}

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #162D4A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C8A961;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #C8A961;
    outline-offset: 2px;
}

/* Image aspect ratios */
img {
    max-width: 100%;
    height: auto;
}