/* ===== Custom Styles for David A Bureau Contracting ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Scroll reveal base state — always visible by default */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Progressive enhancement: animate on scroll when JS is available and reduced motion is not preferred */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(30, 45, 64, 0.08);
}

/* Gradient text utility */
.text-gradient-gold {
    background: linear-gradient(135deg, #d4a028, #f3c45a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: #6b7a8d;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1e2d40;
}

/* Selection color */
::selection {
    background: #d4a028;
    color: #0f1a27;
}

/* Focus visible styles */
:focus-visible {
    outline: 2px solid #d4a028;
    outline-offset: 2px;
}

/* Mobile menu animation */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

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

/* Hero gradient animation */
@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Subtle hover glow on gold elements */
.hover-glow:hover {
    box-shadow: 0 0 30px rgba(212, 160, 40, 0.3);
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
}

/* Prevent layout shift on images */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}