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

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: #e2e8f0;
}

.container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    width: 200px;
    height: 200px;
    filter: drop-shadow(0 20px 40px rgba(37, 99, 235, 0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.verify-btn {
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    border: 2px solid #1e40af;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    text-transform: lowercase;
    position: relative;
    overflow: hidden;
}

.verify-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
    z-index: 1;
}

.verify-btn:hover::before {
    left: 100%;
}

.verify-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, #1e40af 0%, #1833a1 100%);
}

.verify-btn:active {
    transform: translateY(0px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

@media (max-width: 768px) {
    .logo {
        width: 150px;
        height: 150px;
    }
    
    .content {
        gap: 40px;
    }
    
    .verify-btn {
        padding: 14px 40px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .logo {
        width: 120px;
        height: 120px;
    }
    
    .content {
        gap: 30px;
    }
    
    .verify-btn {
        padding: 12px 32px;
        font-size: 14px;
    }
}