:root {
    /* Color Variables */
    --primary-white: #D8D9D4;
    --text-white: #D8D9D4;
    --text-white-90: rgba(255, 255, 255, 0.9);
    --text-white-70: rgba(255, 255, 255, 0.7);
    
    /* Spacing Variables */
    --spacing-xs: 15px;
    --spacing-sm: 20px;
    --spacing-md: 30px;
    --spacing-lg: 50px;
    
    /* Font Variables */
    --font-family-mono: 'JetBrains Mono', monospace;
    --font-size-sm: 0.7rem;
    --font-size-md: 0.8rem;
    --font-size-lg: 0.9rem;
    --font-size-xl: 1.2rem;
    
    /* Animation Variables */
    --transition-fast: 1s ease-in-out;
    --transition-slow: 2s ease-in-out;
    --transition-bg: 0.8s ease-in-out;
    
    
    /* Z-index Variables */
    --z-background: -1;
    --z-logo: 1;
    --z-text: 10;
}

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

body {
    height: 100vh;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.background-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity var(--transition-bg);
}

.background-image.active {
    opacity: 1;
}

/* Background images are now dynamically generated via JavaScript */

.logo {
    max-width: 240px;
    width: 100%;
    height: auto;
    z-index: var(--z-logo);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-fast), transform var(--transition-slow);
}

.logo.fade-in {
    opacity: 1;
}

.tagline {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    font-family: var(--font-family-mono);
    font-weight: 300;
    font-size: var(--font-size-md);
    color: var(--text-white);
    opacity: 0;
    transition: opacity var(--transition-fast) 0.5s, transform var(--transition-fast) 0.5s;
    z-index: var(--z-text);
}

.tagline::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--text-white);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.tagline.fade-in {
    opacity: 1;
}

.copyright {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    font-family: var(--font-family-mono);
    font-weight: 300;
    font-size: var(--font-size-md);
    color: var(--text-white);
    opacity: 0;
    transition: opacity var(--transition-fast) 1s, transform var(--transition-fast) 1s;
    z-index: var(--z-text);
}

.copyright.fade-in {
    opacity: 1;
}

/* Confetti styles handled by canvas-confetti library */

/* Responsive adjustments */
@media (max-width: 768px) {
    .logo {
        max-width: 200px;
    }
    .tagline {
        font-size: var(--font-size-sm);
        position: fixed;
        bottom: 60px;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
    }
    .copyright {
        font-size: var(--font-size-sm);
        position: fixed;
        bottom: var(--spacing-sm);
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 150px;
    }
    .tagline {
        font-size: var(--font-size-md);
        position: fixed;
        bottom: 60px;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
    }
    .copyright {
        font-size: var(--font-size-md);
        position: fixed;
        bottom: var(--spacing-sm);
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
    }
}