/* ===== Custom Styles for Chernyak Anna MD ===== */

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

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

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

.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal[data-reveal].revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered delays for service cards */
.reveal[data-reveal] {
    transition-delay: 0ms;
}
.reveal[data-reveal].delay-100 { transition-delay: 100ms; }
.reveal[data-reveal].delay-200 { transition-delay: 200ms; }
.reveal[data-reveal].delay-300 { transition-delay: 300ms; }
.reveal[data-reveal].delay-400 { transition-delay: 400ms; }
.reveal[data-reveal].delay-500 { transition-delay: 500ms; }

/* Navbar scroll state */
nav.scrolled {
    background: rgba(15, 21, 31, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f0f4f8;
}
::-webkit-scrollbar-thumb {
    background: #d4a84b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #b8860b;
}

/* Focus visible styles */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #d4a84b;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image lazy load fade-in */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}

/* Selection color */
::selection {
    background: rgba(212, 168, 75, 0.3);
    color: #1a2332;
}