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

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations */
.reveal-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Hidden state for JS-enhanced reveals (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 0;
    }
    
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }
    
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(8, 18, 33, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Hero text reveal */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth image loading */
img {
    transition: opacity 0.3s ease;
}

img[data-loaded="true"] {
    opacity: 1;
}

img {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}

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

::-webkit-scrollbar-track {
    background: #0f1f36;
}

::-webkit-scrollbar-thumb {
    background: #d4a017;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #f0c040;
}

/* Selection color */
::selection {
    background: #d4a017;
    color: #0f1f36;
}

/* Mobile menu transition */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button focus states */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #d4a017;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Card hover lift */
.bg-navy-800\/50 {
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.bg-navy-800\/50:hover {
    transform: translateY(-4px);
}