/* Custom styles for Tung Ky */

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

/* Custom selection color */
::selection {
    background-color: #8c2525;
    color: #fff5f5;
}

/* Navbar transition */
#navbar {
    background-color: transparent;
}

#navbar.scrolled {
    background-color: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 212, 208, 0.5);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

/* Mobile menu animations */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Hamburger animation */
#menu-toggle.active #bar1 {
    transform: translateY(4px) rotate(45deg);
}

#menu-toggle.active #bar2 {
    opacity: 0;
}

#menu-toggle.active #bar3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* Subtle image hover */
.group img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Fade-in animations for scroll-reveal (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .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; }
}

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

/* Thin scrollbar for webkit */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #fafaf8;
}

::-webkit-scrollbar-thumb {
    background: #d4d4d0;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a83232;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #8c2525;
    outline-offset: 2px;
}