/* Custom styles for Tohui Language Academy */

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

/* Floating animation for stat cards */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

@keyframes float-delayed {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Approach card hover effects */
.approach-card {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Course card hover */
.course-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-4px);
}

/* Testimonial card hover */
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(253, 248, 246, 0.98) !important;
    box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FDF8F6;
}

::-webkit-scrollbar-thumb {
    background: #D4A8B0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7B2D3B;
}

/* Selection color */
::selection {
    background: #F5D4CC;
    color: #7B2D3B;
}