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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.loading-container {
    text-align: center;
    padding: 2rem;
}

.spinner {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.progress-bar {
    width: 300px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    margin: 0 auto;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fff, #f0f0f0);
    border-radius: 3px;
    animation: progress 3s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.main-content {
    text-align: center;
    padding: 2rem;
    max-width: 800px;
    width: 100%;
}

.welcome-container {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.welcome-container h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.content-section {
    margin-top: 2rem;
    text-align: left;
}

.content-section h3 {
    margin-bottom: 1rem;
    margin-top: 2rem;
    text-align: center;
    color: #fff;
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.6;
    text-align: justify;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .loading-text {
        font-size: 2rem;
    }
    
    .progress-bar {
        width: 250px;
    }
    
    .welcome-container {
        padding: 1.5rem;
    }
    
    .welcome-container h1 {
        font-size: 2rem;
    }
}