/* Custom styles for Watson Daniel PHD website */

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

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

::-webkit-scrollbar-track {
    background: #102a43;
}

::-webkit-scrollbar-thumb {
    background: #334e68;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #486581;
}

/* Selection color */
::selection {
    background: #d4a853;
    color: #102a43;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #d4a853;
    outline-offset: 2px;
}

/* Navbar scroll state */
.navbar-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Hero pattern animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

/* Gold shimmer effect */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Fade in animation for scroll reveals */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Pulse animation for CTA */
@keyframes pulse-gold {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 168, 83, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(212, 168, 83, 0);
    }
}

.pulse-gold {
    animation: pulse-gold 2s infinite;
}

/* Card hover lift effect */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, #1a3a5c 0%, #2d4a6f 100%);
}

/* Print styles */
@media print {
    header, footer, #contact-form, iframe {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .no-print {
        display: none;
    }
}