:root {
    /* ROOBT Theme Palette - Cyber-Luxe Obsidian & Neon */
    --roobt-bg: #050505;
    --roobt-card-bg: rgba(18, 18, 18, 0.7);
    --roobt-primary: #ff2d55;
    --roobt-secondary: #5856d6;
    --roobt-accent: #007aff;
    --roobt-text: #ffffff;
    --roobt-text-muted: #8e8e93;
    --roobt-border: rgba(255, 255, 255, 0.1);
    --roobt-glow: rgba(255, 45, 85, 0.5);
    
    /* Typography */
    --font-heading: 'Sora', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Space Mono', monospace;

    /* Transitions */
    --transition-premium: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Sora:wght@500;700;800&family=Space+Mono&display=swap');

body {
    background-color: var(--roobt-bg);
    color: var(--roobt-text);
    font-family: var(--font-body);
    margin: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, .font-heading {
    font-family: var(--font-heading);
    letter-spacing: -0.03em;
}

.mono {
    font-family: var(--font-mono);
}

/* Glassmorphism utility */
.glass {
    background: var(--roobt-card-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--roobt-border);
    border-radius: 32px;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--roobt-primary), var(--roobt-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-roobt {
    display: inline-block;
    padding: 1.25rem 3rem;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--roobt-primary), var(--roobt-secondary));
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-premium);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
}

.btn-roobt::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

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

.btn-roobt:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255, 45, 85, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--roobt-border);
    color: var(--roobt-text);
}

.btn-outline:hover {
    border-color: var(--roobt-primary);
    background: rgba(255, 45, 85, 0.05);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--roobt-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--roobt-border);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--roobt-primary);
}