/* roulang page: index */
:root {
            --brand-primary: #FF5E1E;
            --brand-gradient: linear-gradient(135deg, #FF5E1E 0%, #FF2A55 100%);
            --brand-dark: #0F172A;
            --brand-slate: #1E293B;
            --brand-surface: #F8FAFC;
            --card-radius: 1.5rem;
            --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.04);
            --shadow-glow: 0 12px 35px rgba(255, 94, 30, 0.16);
        }
        body {
            color: #0F172A;
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
        }
        .text-gradient {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .bg-gradient-brand {
            background: var(--brand-gradient);
        }
        .card-custom {
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-custom:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-glow);
        }
        .badge-capsule {
            border-radius: 9999px;
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.85rem;
            font-size: 0.8125rem;
            font-weight: 700;
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, opacity 0.3s ease;
            opacity: 0;
        }
        .accordion-content.active {
            max-height: 500px;
            opacity: 1;
        }
        .chevron-icon {
            transition: transform 0.3s ease;
        }
        .chevron-icon.rotate {
            transform: rotate(180deg);
        }