/* Custom CSS for LV Learning Center */

:root {
    --burgundy: #781f37;
    --burgundy-light: #922744;
    --blush: #fce4ec;
    --blush-light: #fff0f3;
    --stone-50: #fafaf9;
    --stone-100: #f5f5f4;
    --stone-200: #e7e5e4;
    --stone-400: #a8a29e;
    --stone-500: #78716c;
    --stone-600: #57534e;
    --stone-700: #44403c;
    --stone-800: #292524;
    --stone-900: #1c1917;
}

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

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

::-webkit-scrollbar-track {
    background: var(--stone-100);
}

::-webkit-scrollbar-thumb {
    background: var(--stone-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--burgundy);
}

/* Selection color */
::selection {
    background: var(--blush);
    color: var(--burgundy);
}

/* Navbar scroll effect */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Fade in animation for scroll reveals */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animations */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0.1s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.2s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.3s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.4s; }

/* Button hover effects */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--burgundy), var(--burgundy-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(120, 31, 55, 0.1);
}

/* Input focus animation */
input:focus,
textarea:focus,
select:focus {
    border-color: var(--burgundy);
    box-shadow: 0 0 0 3px rgba(120, 31, 55, 0.1);
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Decorative line animation */
.line-decoration {
    position: relative;
}

.line-decoration::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--burgundy), transparent);
}

/* Pulse animation for CTA */
@keyframes pulse-soft {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(120, 31, 55, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(120, 31, 55, 0);
    }
}

.pulse-soft {
    animation: pulse-soft 2s infinite;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}