/* Custom styles for Dr. Burren D.D.S. */

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

/* Reduced motion support */
@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 - progressive enhancement, JS adds class */
.scroll-reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    .scroll-reveal-delay-1 { transition-delay: 0.1s; }
    .scroll-reveal-delay-2 { transition-delay: 0.2s; }
    .scroll-reveal-delay-3 { transition-delay: 0.3s; }
    .scroll-reveal-delay-4 { transition-delay: 0.4s; }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06), 0 4px 20px rgba(16, 42, 67, 0.04);
}

/* Custom selection color */
::selection {
    background: rgba(245, 185, 33, 0.2);
    color: #102a43;
}

/* Subtle gradient text utility */
.gradient-text {
    background: linear-gradient(135deg, #f5b921 0%, #e59a0e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Mobile menu animation */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
    opacity: 0;
}

#mobileMenu.open {
    max-height: 400px;
    opacity: 1;
}

/* Service card hover tilt effect */
.service-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}