/* Custom styles for Karapetyan Dental Corporation */

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

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

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {
    background: #14b8a6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* Selection color */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f1f5f9;
}

/* Service card hover effects */
.service-card {
    transform-style: preserve-3d;
}

/* Testimonial card hover */
.testimonial-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(2, 6, 23, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Fade-in animation for scroll reveals */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger delays for grid items */
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

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

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

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

/* Pulse animation for scroll indicator */
@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
}

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

/* Form input focus animations */
input:focus,
textarea:focus,
select:focus {
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .service-card {
        padding: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
}