/* roulang page: index */
:root {
            --primary-gradient: linear-gradient(135deg, #1E3A8A 0%, #0D9488 100%);
            --badge-glow: 0 0 15px rgba(13, 148, 136, 0.35);
            --card-hover-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.08);
        }
        .hero-gradient {
            background: linear-gradient(180deg, rgba(248, 250, 252, 0.95) 0%, rgba(241, 245, 249, 0.88) 100%);
        }
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .bg-gradient-brand {
            background: var(--primary-gradient);
        }
        .btn-glow:hover {
            box-shadow: 0 10px 25px -5px rgba(13, 148, 136, 0.4);
        }
        .tech-border {
            border: 1px solid rgba(226, 232, 240, 0.8);
        }
        .dark-tech-border {
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .accordion-content {
            transition: max-height 0.35s ease-out, opacity 0.3s ease;
        }
