/* Custom styles for Chinese Learning Center of Miami */

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

/* Navigation scroll state */
#site-header.scrolled {
    background: rgba(245, 240, 247, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(91, 44, 111, 0.08);
}

/* Nav link underline animation */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #F59E0B;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}
#mobile-menu .mobile-nav-link {
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}
#mobile-menu.open .mobile-nav-link {
    transform: translateY(0);
    opacity: 1;
}
#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-nav-link:nth-child(6) { transition-delay: 0.3s; }

/* Mobile menu button animation */
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Scroll reveal animations — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Default visible state for all reveal elements (no-JS fallback) */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F5F0F7;
}
::-webkit-scrollbar-thumb {
    background: #B99CC8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9B72AE;
}

/* Selection color */
::selection {
    background: #D6C4E0;
    color: #1A0E1F;
}