/* ── base reset & body ── */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: #f5f7fa;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        /* ── main container ── */
        .main {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: -30px;
            width: 100%;
            max-width: 900px;
        }

        /* ── card ── */
        .card {
            margin-top: -35px;
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            width: 100%;
            transition: padding 0.2s ease;
        }

        /* RTL support for English language */
        html[lang="en"] .card {
            direction: rtl;
        }

        /* ── typography ── */
        p {
            font-size: 1.1rem;
            line-height: 1.6;
            color: #1a1a1a;
        }

        .header h2 {
            margin: 0;
            font-size: 1.3rem;
            color: #1a1a1a;
        }

        .subhead {
            margin-top: 6px;
            font-size: 1rem;
            color: #666;
        }

        /* ── highlight ── */
        .highlight {
            background: #eef6ff;
            padding: 12px 14px;
            border-right: 4px solid #3b82f6;
            border-radius: 8px;
            margin: 12px 0;
        }

        /* ── images ── */
        .image {
            border-radius: 12px;
            margin-top: 30px;
            display: block;
            margin-right: auto;
            margin-left: auto;
            width: 40vw;
            max-width: 100%;
            height: auto;
        }

        .imageSmall {
            width: 48%;
            border-radius: 12px;
            margin-top: 10px;
            display: inline-block;
            vertical-align: top;
            height: auto;
        }

        /* ── features ── */
        .features {
            background: #fafafa;
            padding: 18px;
            border-radius: 12px;
            margin-top: 20px;
        }

        .features h2 {
            margin-top: 0;
            font-size: 1.4rem;
        }

        .features span {
            background: #22c55e;
            color: white;
            font-size: 0.8rem;
            padding: 2px 8px;
            border-radius: 6px;
            margin-right: 6px;
            display: inline-block;
        }

        .features ul {
            padding-right: 20px;
            padding-left: 20px;
        }

        .features li {
            margin-bottom: 8px;
        }

        /* ── footer note ── */
        .footer-note {
            background: #fff7ed;
            padding: 14px;
            border-radius: 10px;
            margin-top: 15px;
            border-right: 4px solid #f59e0b;
        }

        /* ── summary ── */
        .summary {
            background: #ecfeff;
            padding: 16px;
            border-radius: 12px;
            margin-top: 20px;
            font-weight: bold;
        }

        /* ─────────────────────────────────────────────── */
        /*               RESPONSIVE BREAKPOINTS            */
        /* ─────────────────────────────────────────────── */

        /* ── Tablets & small laptops (≤ 1024px) ── */
        @media (max-width: 1024px) {
            .main {
                margin-top: -20px;
            }

            .card {
                margin-top: -25px;
                padding: 22px;
            }

            .image {
                width: 50vw;
            }

            .imageSmall {
                width: 48%;
            }
        }

        /* ── Tablets (≤ 768px) ── */
        @media (max-width: 768px) {
            .main {
                margin-top: -10px;
                padding: 0 10px;
            }

            .card {
                margin-top: -15px;
                padding: 20px;
                border-radius: 14px;
            }

            p {
                font-size: 1rem;
            }

            .header h2 {
                font-size: 1.2rem;
            }

            .subhead {
                font-size: 0.95rem;
            }

            .image {
                width: 60vw;
                margin-top: 24px;
            }

            .imageSmall {
                width: 48%;
            }

            .features {
                padding: 16px;
            }

            .features h2 {
                font-size: 1.2rem;
            }

            .features ul {
                padding-right: 16px;
                padding-left: 16px;
            }

            .summary {
                padding: 14px;
                font-size: 0.95rem;
            }

            .footer-note {
                padding: 12px;
            }

            .highlight {
                padding: 10px 12px;
            }
        }

        /* ── Mobile (≤ 600px) ── */
        @media (max-width: 600px) {
            body {
                padding: 12px;
            }

            .main {
                margin-top: 0;
                padding: 0;
            }

            .card {
                margin-top: -50;
                padding: 16px;
                border-radius: 12px;
                box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            }

            p {
                font-size: 0.95rem;
                line-height: 1.5;
            }

            .header h2 {
                font-size: 1.1rem;
            }

            .subhead {
                font-size: 0.9rem;
                margin-top: 4px;
            }

            .highlight {
                padding: 10px;
                border-right-width: 3px;
                font-size: 0.95rem;
                margin: 10px 0;
            }

            .image {
                width: 85vw;
                max-width: 100%;
                margin-top: 18px;
                border-radius: 10px;
            }

            .imageSmall {
                width: 100%;
                display: block;
                margin-top: 8px;
            }

            .imageSmall:not(:first-of-type) {
                margin-top: 12px;
            }

            .features {
                padding: 14px;
                margin-top: 16px;
            }

            .features h2 {
                font-size: 1.1rem;
            }

            .features span {
                font-size: 0.7rem;
                padding: 1px 6px;
                margin-right: 4px;
            }

            .features ul {
                padding-right: 12px;
                padding-left: 12px;
            }

            .features li {
                margin-bottom: 6px;
                font-size: 0.92rem;
            }

            .footer-note {
                padding: 12px;
                font-size: 0.92rem;
                margin-top: 12px;
                border-right-width: 3px;
            }

            .summary {
                padding: 12px;
                font-size: 0.92rem;
                margin-top: 16px;
            }
        }

        /* ── Very small phones (≤ 400px) ── */
        @media (max-width: 400px) {
            .card {
                padding: 12px;
                border-radius: 10px;
            }

            p {
                font-size: 0.88rem;
            }

            .header h2 {
                font-size: 1rem;
            }

            .subhead {
                font-size: 0.82rem;
            }

            .image {
                width: 92vw;
                margin-top: 14px;
            }

            .features {
                padding: 12px;
            }

            .features h2 {
                font-size: 1rem;
            }

            .features ul {
                padding-right: 8px;
                padding-left: 8px;
            }

            .features li {
                font-size: 0.85rem;
            }

            .highlight {
                font-size: 0.88rem;
                padding: 8px 10px;
            }

            .footer-note {
                font-size: 0.85rem;
                padding: 10px;
            }

            .summary {
                font-size: 0.85rem;
                padding: 10px;
            }
        }