/* roulang page: index */
:root {
            --color-primary: #0B3B60;
            --color-primary-dark: #061526;
            --color-teal: #008080;
            --color-accent: #00E599;
            --color-slate-body: #334155;
            --color-slate-title: #0F172A;
            --color-border: rgba(226, 232, 240, 0.85);
            --bg-light: #F8FAFC;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

        body {
            color: var(--color-slate-body);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }

        .brand-gradient {
            background: linear-gradient(135deg, #0B3B60 0%, #008080 50%, #20B2AA 100%);
        }

        .dark-surface {
            background-color: #061526;
        }

        .badge-ping-dot {
            position: relative;
            display: inline-flex;
            height: 8px;
            width: 8px;
        }

        .badge-ping-dot .ping {
            animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
            position: absolute;
            display: inline-flex;
            height: 100%;
            width: 100%;
            border-radius: 9999px;
            background-color: #00E599;
            opacity: 0.75;
        }

        .badge-ping-dot .dot {
            position: relative;
            display: inline-flex;
            border-radius: 9999px;
            height: 8px;
            width: 8px;
            background-color: #00E599;
        }

        @keyframes ping {
            75%, 100% {
                transform: scale(2);
                opacity: 0;
            }
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border: 1px solid var(--color-border);
            box-shadow: 0 10px 25px -5px rgba(11, 59, 96, 0.05), 0 8px 10px -6px rgba(11, 59, 96, 0.03);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 30px -10px rgba(11, 59, 96, 0.12);
            border-color: rgba(0, 128, 128, 0.4);
        }

        .dark-glass-card {
            background: rgba(15, 30, 50, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
        }

        .dark-glass-card:hover {
            border-color: rgba(0, 229, 153, 0.3);
            transform: translateY(-4px);
        }

        .pill-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.025em;
        }

        .btn-brand-primary {
            background: linear-gradient(135deg, #0B3B60 0%, #008080 100%);
            color: #ffffff;
            font-weight: 600;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(0, 128, 128, 0.28);
        }

        .btn-brand-primary:hover {
            opacity: 0.95;
            box-shadow: 0 6px 20px rgba(0, 128, 128, 0.4);
            transform: translateY(-1px);
        }

        .btn-brand-accent {
            background-color: #00E599;
            color: #061526;
            font-weight: 700;
            transition: all 0.25s ease;
        }

        .btn-brand-accent:hover {
            background-color: #0df0a4;
            box-shadow: 0 0 20px rgba(0, 229, 153, 0.4);
            transform: translateY(-1px);
        }

        .faq-accordion[open] summary svg {
            transform: rotate(180deg);
        }