:root {
    /* Colors */
    --color-black: #000000;
    --color-dark: #0A0A0A;
    --color-gray: #1A1A1A;
    --color-light: #F5F5F5;
    --color-white: #FFFFFF;
    --color-primary: #D4AF37; /* Gold */
    --color-secondary: #B22222; /* Red */
    --color-accent: #0077B6; /* Blue */
     --color-space-dark: #0A0A12;
    --color-space-light: #1A1A2E;
    --color-nebula-gold: rgba(212, 175, 55, 0.1);
    --color-nebula-blue: rgba(0, 119, 182, 0.1);
    --color-nebula-red: rgba(178, 34, 34, 0.1);
    --navbar-height: 80px;
    --navbar-height-mobile: 60px;
    
    /* Typography */
    --font-primary: 'Space Mono', monospace;
    --font-secondary: 'Space Grotesk', sans-serif;

    /* Add these new opacity variables */
    --opacity-primary: 0.9;
    --opacity-secondary: 0.8;
    --opacity-tertiary: 0.6;
    --opacity-quaternary: 0.4;

    .section-subtitle {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    display: block;
    opacity: 0.8;
}
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Borders */
    --border-radius: 4px;
    --border-width: 1px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s;
    --transition-medium: 0.4s;
    --transition-slow: 0.8s;
}

/* Base Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
     scroll-behavior: smooth;
}

body {
    background: 
        radial-gradient(ellipse at center, var(--color-space-dark) 0%, var(--color-black) 100%),
        url('../assets/images/space-bg.jpg') center/cover no-repeat fixed;
    background-blend-mode: overlay;
    color: var(--color-light);
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    overscroll-behavior-y: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 100;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

p {
    margin-bottom: var(--space-sm);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}