/* Pratt & Whitney Hangar Museum — Custom Styles */

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f1d4a;
}
::-webkit-scrollbar-thumb {
    background: #3b5bdb;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #4c6ef5;
}

/* Selection color */
::selection {
    background: rgba(74, 222, 128, 0.3);
    color: #f0fdf4;
}

/* Base utility */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navbar transition */
#navbar.scrolled {
    background: rgba(15, 29, 74, 0.95);
    backdrop-blur-xl;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Reveal animations — progressive enhancement */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stat card float animation */
@media (prefers-reduced-motion: no-preference) {
    .stat-card:nth-child(1) { animation: float1 6s ease-in-out infinite; }
    .stat-card:nth-child(2) { animation: float2 7s ease-in-out infinite; }
    .stat-card:nth-child(3) { animation: float3 5.5s ease-in-out infinite; }
    .stat-card:nth-child(4) { animation: float4 6.5s ease-in-out infinite; }
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}
@keyframes float4 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}
#mobile-menu.open {
    max-height: 500px;
    opacity: 1;
}

/* Hover glow for interactive elements */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* Form focus styles */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f1d4a 100%);
}

/* Subtle pattern overlay for section backgrounds */
section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}