/* Base styles and custom components */
:root {
    --color-midnight-950: #040a10;
    --color-midnight-900: #081420;
    --color-midnight-800: #0d1f31;
    --color-mint-400: #4ade80;
    --color-mint-500: #22c55e;
}

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

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

/* Custom selection color */
::selection {
    background-color: rgba(74, 222, 128, 0.3);
    color: #0d1f31;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #081420;
}
::-webkit-scrollbar-thumb {
    background: #1e4060;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2e5a82;
}

/* Nav transitions */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4ade80;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* Scroll reveal base (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero parallax effect */
#hero img {
    will-change: transform;
}

/* Button ripple effect */
button, a {
    -webkit-tap-highlight-color: transparent;
}