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

body {
    overflow-x: hidden;
}

/* Scroll Reveal - progressive enhancement via JS */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: none;
    }
    img {
        transition: none;
    }
    .group:hover img {
        transform: none;
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(4, 11, 24, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.mobile-menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* Selection color */
::selection {
    background: rgba(200, 150, 62, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #040B18;
}

::-webkit-scrollbar-thumb {
    background: #152E58;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1B3A70;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #C8963E;
    outline-offset: 2px;
}

/* Smooth image loading */
img {
    image-rendering: auto;
}