*, *::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: rgba(201, 168, 76, 0.3);
    color: #f9f0d0;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #060d1f;
}
::-webkit-scrollbar-thumb {
    background: #1d3a6e;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* Animations */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}
@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}
@keyframes float-fast {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-15px) scale(1.05); }
}

.animate-float-slow {
    animation: float-slow 8s ease-in-out infinite;
}
.animate-float-medium {
    animation: float-medium 6s ease-in-out infinite;
}
.animate-float-fast {
    animation: float-fast 4s ease-in-out infinite;
}

/* Reveal animations - progressive enhancement, only when JS is available */
.reveal {
    opacity: 1;
    transform: none;
    transition: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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);
    }
    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* Navbar styles */
#navbar.scrolled {
    background: rgba(6, 13, 31, 0.92);
    backdrop-blur-xl;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Gold shimmer on hover for buttons */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* Mobile menu transitions */
#mobileMenu {
    animation: slideDown 0.3s ease-out;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Image lazy load placeholder */
img {
    background: linear-gradient(135deg, #0f1c3f 0%, #152a56 100%);
}

/* Focus visible for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
    border-radius: 4px;
}