/* roulang page: index */
:root {
            --primary: #00ff87;
            --secondary: #e2b007;
            --bg-dark: #030712;
            --card-bg: #0b1120;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --border-line: #1e293b;
        }
        html {
            scroll-behavior: smooth;
            background-color: var(--bg-dark);
            color: var(--text-main);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .geo-grid {
            background-size: 40px 40px;
            background-image: 
                linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
        }
        .geo-radial-glow {
            background: radial-gradient(circle at 50% 30%, rgba(0, 255, 135, 0.08) 0%, transparent 70%);
        }
        .pulse-live {
            box-shadow: 0 0 0 0 rgba(0, 255, 135, 0.7);
            animation: pulse-live-anim 2s infinite;
        }
        @keyframes pulse-live-anim {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 135, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 255, 135, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 135, 0); }
        }
        .mono-num {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }