/* Custom styles for Tuan Pham Dental Website */

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

/* Scroll reveal animations */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Navbar scroll effect */
#navbar.scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: #0d9488;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0f766e;
}

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #14b8a6;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

/* Button hover effects */
button:hover,
a:hover {
    transition: all 0.3s ease;
}

/* Image lazy loading optimization */
img {
    loading: lazy;
}

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Service card hover effect */
.group:hover .group-hover\\:bg-teal-600 {
    background-color: #0d9488;
}

/* Ensure all text is readable */
.text-slate-900 {
    color: #0f172a;
}

.text-slate-800 {
    color: #1e293b;
}

.text-slate-700 {
    color: #334155;
}

.text-slate-600 {
    color: #475569;
}

/* Hero section text readability */
#hero h1,
#hero p {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Ensure links are visible */
a {
    text-decoration: none;
}

/* Print styles */
@media print {
    #navbar,
    #mobile-menu-btn {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}