/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.container {
    max-width: 800px;
    width: 90%;
    padding: 2rem;
}

.content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.interactive-section {
    margin: 2rem 0;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.color-btn, .animate-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.color-btn {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
}

.animate-btn {
    background: linear-gradient(45deg, #4834d4, #686de0);
    color: white;
}

.color-btn:hover, .animate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.8);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Animation classes */
.animate-bounce {
    animation: bounce 0.6s ease-in-out;
}

.animate-pulse {
    animation: pulse 1s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

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

/* Color themes */
.theme-sunset {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
}

.theme-ocean {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.theme-forest {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.theme-fire {
    background: linear-gradient(135deg, #ff512f 0%, #dd2476 100%);
}

/* Responsive design */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }
    
    .content {
        padding: 2rem;
    }
    
    .interactive-section {
        flex-direction: column;
        align-items: center;
    }
    
    .color-btn, .animate-btn {
        width: 200px;
    }
}