/* Custom styles for Billie Anne's Diner */

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

/* Navbar transition states */
.nav-logo-text {
    color: #1e293b;
}

nav.scrolled .nav-logo-text {
    color: #f8fafc;
}

nav.scrolled .nav-link {
    color: #cbd5e1;
}

nav.scrolled .nav-link:hover {
    color: #5eead4;
}

nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

nav:not(.scrolled) .nav-link {
    color: #475569;
}

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

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero parallax-like subtle effect */
#hero {
    scroll-behavior: smooth;
}

#hero img {
    will-change: transform;
}

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

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

/* Back to top button */
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

/* 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;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image lazy loading placeholder */
img {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

/* Subtle gradient text for hero */
.font-display {
    text-rendering: optimizeLegibility;
}

/* Selection color */
::selection {
    background: #99f6e4;
    color: #134e4a;
}

/* Mobile link transitions */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Card hover effects */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* Form input transitions */
input,
textarea {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Ensure images don't overflow */
img {
    max-width: 100%;
    height: auto;
}