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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    min-height: 100vh;
    height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 0 20px;
}

/* Main content */
.main-content {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
}

/* Hero section */
.hero {
    padding: 4rem 3rem;
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
    color: white;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    z-index: 1;
    position: relative;
}

.logo i {
    font-size: 3rem;
    animation: bounce 2s infinite;
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    z-index: 1;
    position: relative;
}

.tagline {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    font-style: italic;
    z-index: 1;
    position: relative;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.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%;
}

.btn-primary {
    background: #5865F2;
    color: white;
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.4);
}

.btn-primary:hover {
    background: #4752C4;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(88, 101, 242, 0.6);
}

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 3rem 2rem;
    }
    
    .logo h1 {
        font-size: 2.5rem;
    }
    
    .logo i {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 2rem;
    }
    
    .logo i {
        font-size: 2rem;
    }
    
    .hero {
        padding: 2rem 1.5rem;
    }
}