/* roulang page: index */
:root {
            --primary: #00F2FE;
            --primary-hover: #05D5AA;
            --accent: #FF5E3A;
            --bg-base: #0A0E17;
            --bg-card: #121826;
            --bg-elevated: #1A2234;
            --text-main: #F1F5F9;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 242, 254, 0.2);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .glow-box:hover {
            box-shadow: 0 8px 30px rgba(0, 242, 254, 0.15);
            border-color: rgba(0, 242, 254, 0.5);
        }
        .btn-gradient {
            background: linear-gradient(135deg, #00F2FE 0%, #05D5AA 100%);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-gradient:hover {
            opacity: 0.92;
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(0, 242, 254, 0.4);
        }
        .btn-accent {
            background: linear-gradient(135deg, #FF5E3A 0%, #FF2A54 100%);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-accent:hover {
            opacity: 0.92;
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(255, 94, 58, 0.4);
        }