/* Custom styles for Michigan Pain Institute */

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

/* Navbar scroll state */
nav.scrolled {
    background: rgba(2, 6, 23, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Service card hover lift */
.service-card {
    transform: translateY(0);
}

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

/* FAQ transitions */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-content.open {
    max-height: 200px;
}

.faq-icon {
    flex-shrink: 0;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Ensure above-the-fold content is always visible */
#hero, #hero * {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Mobile menu transition */
#mobileMenu {
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}