* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.3rem;
    opacity: 0.9;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #4CAF50, #2196F3, #FF9800, #9C27B0, #F44336, #607D8B);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-color: #4CAF50;
}

.app-card:hover::before {
    opacity: 1;
}

.app-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
}

.app-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
}

.app-card p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 20px;
    text-align: center;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.tag {
    background: #f0f0f0;
    color: #666;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.info-section {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 30px;
}

.info-section h2 {
    color: #333;
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
}

.info-section p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.feature {
    text-align: center;
    padding: 20px;
    border-radius: 15px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 15px;
}

.feature h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Touch-friendly styles for iPad */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2.2rem;
    }
    
    header p {
        font-size: 1.1rem;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .app-card {
        padding: 25px;
    }
    
    .app-icon {
        font-size: 2.5rem;
    }
    
    .app-card h3 {
        font-size: 1.3rem;
    }
    
    .info-section {
        padding: 25px;
    }
    
    .info-section h2 {
        font-size: 1.6rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Landscape orientation for iPad */
@media (orientation: landscape) and (max-height: 600px) {
    .container {
        padding: 10px;
    }
    
    header {
        margin-bottom: 20px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .apps-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 15px;
    }
    
    .app-card {
        padding: 20px;
    }
    
    .info-section {
        padding: 20px;
    }
}

/* Animation for app cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-card {
    animation: fadeInUp 0.6s ease forwards;
}

.app-card:nth-child(1) { animation-delay: 0.1s; }
.app-card:nth-child(2) { animation-delay: 0.2s; }
.app-card:nth-child(3) { animation-delay: 0.3s; }
.app-card:nth-child(4) { animation-delay: 0.4s; }
.app-card:nth-child(5) { animation-delay: 0.5s; }
.app-card:nth-child(6) { animation-delay: 0.6s; }