:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-surface: #121212;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-accent: #3b82f6;
    /* Electric Blue */
    --color-accent-hover: #2563eb;
    --color-highlight: #bef264;
    /* Lime Green - secondary accent */

    /* Typography */
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Layout */
    --container-width: 1200px;
    --container-padding: 1.5rem;

    /* Effects */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text-primary);
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-8);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    gap: var(--spacing-2);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: rgba(20, 20, 30, 0.8);
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4), 0 0 40px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    background: rgba(30, 30, 40, 0.9);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.6), 0 0 60px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    border-color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.section {
    padding: var(--spacing-16) 0;
}