/* Custom Styles for NuCO2 */

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

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

::-webkit-scrollbar-track {
    background: #0d0d0d;
}

::-webkit-scrollbar-thumb {
    background: #2a2a2a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4af37;
}

/* Selection color */
::selection {
    background: rgba(212, 175, 55, 0.3);
    color: #f5f0e8;
}

/* Hero content animation - only below the fold content gets scroll reveal */
/* Hero is always visible by default - no opacity:0 on above-fold */

/* Service card hover glow */
.service-card:hover {
    box-shadow: 0 20px 60px -15px rgba(198, 93, 62, 0.15);
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(13, 13, 13, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1) !important;
}

/* Gold shimmer effect on gradient text */
@keyframes shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Mobile menu button animation */
.mobile-menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .menu-line:nth-child(3) {
    width: 6px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Contact form focus states */
input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.3);
}

/* Reduced motion */
@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;
    }
}

/* Scroll reveal animations - ONLY for below-fold content */
/* Default state is visible (opacity: 1) - JS adds the hidden state */
.service-reveal,
.about-image,
.about-content,
.why-card,
.contact-info,
.contact-form-wrapper {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .service-reveal.animated,
    .about-image.animated,
    .about-content.animated,
    .why-card.animated,
    .contact-info.animated,
    .contact-form-wrapper.animated {
        animation: fadeInUp 0.6s ease-out forwards;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animations */
.service-card:nth-child(1) { transition-delay: 0ms; }
.service-card:nth-child(2) { transition-delay: 80ms; }
.service-card:nth-child(3) { transition-delay: 160ms; }
.service-card:nth-child(4) { transition-delay: 240ms; }
.service-card:nth-child(5) { transition-delay: 320ms; }
.service-card:nth-child(6) { transition-delay: 400ms; }

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-display {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

#mobile-menu:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}