/* Advanced Animations for NanoBanana */

/* Floating Banana Animation */
@keyframes floatingBanana {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(2deg); }
    50% { transform: translateY(-5px) rotate(0deg); }
    75% { transform: translateY(-15px) rotate(-2deg); }
}

.logo {
    animation: floatingBanana 4s ease-in-out infinite;
}

/* Gradient Text Animation */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.brand-text, .hero-title {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* Pulse Effect for Call-to-Action Buttons */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.btn-primary {
    animation: pulse 2s infinite;
}

.btn-primary:hover {
    animation: none;
}

/* Banana Image Placeholder Shimmer */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.image-placeholder {
    position: relative;
    overflow: hidden;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Speed Badge Glow */
@keyframes speedGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(245, 158, 11, 0.5); }
    50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.8), 0 0 30px rgba(245, 158, 11, 0.4); }
}

.speed-badge {
    animation: speedGlow 2s ease-in-out infinite;
}

/* Card Hover Effects */
.feature-card, .review-card, .showcase-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.2);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

/* Staggered Animation for Grid Items */
.features-grid .feature-card {
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 0.6s ease-out forwards;
}

.features-grid .feature-card:nth-child(1) { animation-delay: 0.1s; }
.features-grid .feature-card:nth-child(2) { animation-delay: 0.2s; }
.features-grid .feature-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* Loading animation for placeholder grid */
@keyframes placeholderPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.placeholder-item {
    animation: placeholderPulse 1.5s ease-in-out infinite;
}

.placeholder-item:nth-child(1) { animation-delay: 0s; }
.placeholder-item:nth-child(2) { animation-delay: 0.3s; }
.placeholder-item:nth-child(3) { animation-delay: 0.6s; }
.placeholder-item:nth-child(4) { animation-delay: 0.9s; }

/* Nano Banana text highlight effect */
@keyframes highlightBanana {
    0% { background-size: 0 100%; }
    100% { background-size: 100% 100%; }
}

.banana-highlight {
    background: linear-gradient(120deg, rgba(245, 158, 11, 0.3) 0%, rgba(245, 158, 11, 0.3) 100%);
    background-repeat: no-repeat;
    background-size: 100% 0;
    background-position: 0 100%;
    transition: background-size 0.3s ease;
}

.banana-highlight:hover {
    background-size: 100% 100%;
}

/* FAQ accordion smooth expansion */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    transition: max-height 0.3s ease-in, padding 0.3s ease-in;
}

/* Mobile-specific animations */
@media (max-width: 768px) {
    .feature-card:hover {
        transform: none;
    }
    
    .btn-primary {
        animation: none;
    }
    
    .logo {
        animation-duration: 6s;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .image-placeholder::after {
        display: none;
    }
    
    .speed-badge {
        animation: none;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}