/* Custom Styles for NuCO2 */

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

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

::-webkit-scrollbar-track {
    background: #f5f5f4;
}

::-webkit-scrollbar-thumb {
    background: #9f2f36;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7f272d;
}

/* Service card hover effect */
.service-card {
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Navbar transition */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Animation for scroll reveals */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .service-card:hover {
        transform: none;
    }
}

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #9f2f36;
    outline-offset: 2px;
}

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

#mobile-menu.open {
    max-height: 300px;
}

/* Hero image gradient overlay */
#hero img {
    filter: saturate(0.9);
}

/* Subtle pattern overlay for sections */
.bg-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(159, 47, 54, 0.05) 1px, transparent 0);
    background-size: 20px 20px;
}