/* Main styles for Kitty English Lessons website */

/* Base Styles */
:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background-light: #f9fafb;
    --whatsapp-color: #25d366;
    --animation-duration: 0.5s;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Custom animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Animation classes */
.animate-fade-in {
    animation: fadeIn var(--animation-duration) ease-out forwards;
    opacity: 0;
}

.animate-delay-100 {
    animation-delay: 0.1s;
}

.animate-delay-200 {
    animation-delay: 0.2s;
}

.animate-delay-300 {
    animation-delay: 0.3s;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Custom transitions */
.transition {
    transition: all 0.3s ease;
}

/* Hover effects */
.hover-lift {
    transition: transform 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* For WhatsApp floating button (optional) */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--whatsapp-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 8px 15px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Custom styles for PDF viewer */
.pdf-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 129.41%; /* PDF aspect ratio (A4) */
    overflow: hidden;
}

.pdf-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid #ddd;
    border-radius: 8px;
}

/* Custom button styles */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    border-radius: 0.375rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    background-color: white;
    color: var(--primary-color);
    font-weight: 500;
    border-radius: 0.375rem;
    border: 1px solid var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: rgba(79, 70, 229, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.1);
}

/* Custom card styles */
.card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .btn-primary, .btn-secondary {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 24px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }
}

/* Form styles */
input, textarea {
    transition: all 0.3s ease;
}

input:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Accessibility improvements */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .animate-fade-in, .animate-float {
        animation: none;
        opacity: 1;
    }
    
    .whatsapp-float i {
        animation: none;
    }
    
    .btn-primary:hover, .btn-secondary:hover, .card.hover-lift:hover, .whatsapp-float:hover {
        transform: none;
    }
}