/* Base styles and custom utilities */
html {
    scroll-behavior: smooth;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: #152A4D;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1F3D5F;
}

/* Selection color */
::selection {
    background: rgba(52, 211, 153, 0.3);
    color: #fff;
}

/* Reveal animations - progressive enhancement */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(5, 10, 24, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Gold gradient text utility */
.text-gradient-gold {
    background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mint gradient text utility */
.text-gradient-mint {
    background: linear-gradient(135deg, #5EEAD4 0%, #10B981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Smooth image loading */
img {
    loading: lazy;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #5EEAD4;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Card hover effects */
.group:hover .group-hover\\:scale-110 {
    transform: scale(1.1);
}

/* Subtle gold shimmer animation */
@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

.shimmer {
    background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}