/* Additional Styles for BillSplit Website */

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Floating animation for hero elements */
.hero h1 {
    animation: float 3s ease-in-out infinite;
}

.hero .cta-buttons {
    animation: pulse 2s ease-in-out infinite;
}

/* Enhanced feature cards */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::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;
}

.feature-card:hover::before {
    left: 100%;
}

/* Enhanced buttons */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::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;
}

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

/* Enhanced mobile menu */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(102, 126, 234, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Enhanced screenshots */
.screenshot {
    text-align: center;
    margin-bottom: 2rem;
}

.screenshot-frame {
    position: relative;
    display: inline-block;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    background: white;
    padding: 10px;
}

.screenshot-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.screenshot:hover .screenshot-frame {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.screenshot:hover .screenshot-frame::before {
    opacity: 1;
}

.screenshot img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 15px;
    transition: all 0.3s ease;
    display: block;
}

.screenshot:hover img {
    transform: scale(1.02);
}

.screenshot h4 {
    margin: 1.5rem 0 0.5rem;
    font-weight: 600;
    color: #333;
    font-size: 1.2rem;
}

.screenshot p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
    max-width: 250px;
    margin-left: auto;
    margin-right: auto;
}

/* Screenshot grid improvements */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .screenshots-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
    }
    
    .screenshot-frame {
        padding: 8px;
    }
    
    .screenshot img {
        max-width: 250px;
    }
}

/* Enhanced footer */
.footer-section h3 {
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

/* Enhanced social links */
.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced responsive design */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}

/* Print styles */
@media print {
    header, .cta-buttons, .download, footer {
        display: none;
    }
    
    .hero, .features, .screenshots {
        padding: 20px 0;
    }
    
    .feature-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        color: #fff;
        border: 2px solid #000;
    }
    
    .btn-secondary {
        background: #fff;
        color: #000;
        border: 2px solid #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero h1, .hero .cta-buttons {
        animation: none;
    }
}