/* Base Styles & Utilities */
html {
    scroll-behavior: smooth;
}

body {
    background-color: #0f1521; /* Navy 900 */
    color: #e2e8f0; /* Slate 200 */
}

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

@keyframes slowZoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.1);
    }
}

.animate-fade-up {
    animation: fadeInUp 1s ease-out forwards;
}

.animate-slow-zoom {
    animation: slowZoom 20s linear infinite alternate;
}

/* Scroll Reveal Utility Classes */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 1; /* Default visible for accessibility/no-JS */
    transition: all 1s ease-out;
}

.reveal-left {
    transform: translateX(0);
}

.reveal-right {
    transform: translateX(0);
}

/* Active states for JS */
.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Initial hidden states for JS-driven reveals (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* Mobile Menu Transitions */
#mobile-menu {
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

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

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

/* Smooth Scroll Offset for Fixed Header */
section[id] {
    scroll-margin-top: 80px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0f1521;
}

::-webkit-scrollbar-thumb {
    background: #1E2737;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C9A227;
}