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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

/* Main container */
.container {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    max-width: 600px;
    width: 90%;
}

/* Logo styles */
.logo-container {
    margin-bottom: 2rem;
}

.logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    background-color: transparent;
}

.logo:not([src]), .logo[src=""] {
    display: none;
}

.text-logo {
    font-size: 3.5rem;
    font-weight: 800;
    color: #2c3e50;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    letter-spacing: 2px;
    display: none;
}

.logo[style*="display: none"] ~ .text-logo {
    display: block;
}

/* Content styles */
.content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content p {
    font-size: 1.2rem;
    color: #7f8c8d;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Loading animation */
.loading-animation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    animation: bounce 1.4s ease-in-out infinite both;
}

.dot:nth-child(1) {
    animation-delay: -0.32s;
}

.dot:nth-child(2) {
    animation-delay: -0.16s;
}

.dot:nth-child(3) {
    animation-delay: 0s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .logo {
        max-width: 250px;
    }
    
    .content h1 {
        font-size: 2.5rem;
    }
    
    .content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .content h1 {
        font-size: 2rem;
    }
    
    .logo {
        max-width: 200px;
    }
    
    .container {
        padding: 1rem;
    }
}