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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: url('https://nanu.cc/NANU-Brand-Loader.jpg') no-repeat center center fixed;
    background-size: cover;
    color: white;
}

.header {
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0,0,0,0.5);
}

.logo {
    width: clamp(1.5rem, 5vw, 2rem);
    height: clamp(1.5rem, 5vw, 2rem);
}

.platform-name {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: white;
    text-decoration: none;
    white-space: nowrap;
}

.error-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), transparent);
    padding: 1rem;
}

.error-text {
    padding: clamp(1rem, 5vw, 2rem);
}

.error-code {
    font-size: clamp(3rem, 15vw, 6rem);
    font-weight: 600;
    line-height: 1;
}

.error-message {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: clamp(0.5rem, 2vw, 1rem);
}

.multi-lang {
    font-size: clamp(0.875rem, 3vw, 1rem);
    opacity: 0.8;
    line-height: 1.4;
}

@media (max-height: 500px) {
    .error-container {
        justify-content: flex-start;
    }
    
    .error-code {
        font-size: clamp(2rem, 10vw, 4rem);
    }
    
    .error-message {
        font-size: clamp(1rem, 4vw, 2rem);
    }
    
    .multi-lang {
        font-size: clamp(0.75rem, 2vw, 0.875rem);
    }
}