:root {
            --purple: #c59b27; /* Rich premium gold for text/borders */
            --purple-light: rgba(197, 155, 39, 0.15);
            --purple-glow: rgba(197, 155, 39, 0.35);
            --purple-hover: #a37c1d;
            --gold-gradient: linear-gradient(135deg, #bf953f 0%, #d4af37 50%, #aa7c11 100%);
            --gold-gradient-hover: linear-gradient(135deg, #aa7c11 0%, #865f08 100%);
        }

        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }

        .shimmer-placeholder {
            background: linear-gradient(90deg, var(--card-bg-2) 25%, var(--border-color) 50%, var(--card-bg-2) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite linear;
            border-radius: 4px;
            display: inline-block;
        }
        body {
            font-family: 'Cairo', sans-serif;
            background: var(--body-bg);
            min-height: 100vh;
            margin: 0;
            padding: 40px 20px;
            box-sizing: border-box;
            transition: background-color 0.3s, color 0.3s;
            position: relative;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        /* كان: background: var(--primary) + filter: blur(160px)
           تمويه بنصف قطر 160px على مساحة 500×500 يفرض على المتصفح رسم العنصر
           في طبقة منفصلة وتشويشها بالكامل عند أول رسم — أغلى عملية في الصفحة
           وسبب ظاهر للتأخر عند الفتح على الأجهزة المتوسطة.
           radial-gradient يعطي نفس المظهر تقريباً برسم واحد رخيص بلا طبقة. */
        .pricing-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle closest-side,
                        var(--primary) 0%,
                        color-mix(in srgb, var(--primary) 45%, transparent) 45%,
                        transparent 75%);
            opacity: 0.12;
            z-index: 1;
            pointer-events: none;
            top: 10%;
            left: 50%;
            transform: translateX(-50%);
            will-change: auto;
        }

        /* احتياط للمتصفحات التي لا تدعم color-mix */
        @supports not (background: color-mix(in srgb, red 50%, transparent)) {
            .pricing-glow {
                background: radial-gradient(circle closest-side, var(--primary) 0%, transparent 72%);
            }
        }

        .pricing-header {
            text-align: center;
            max-width: 700px;
            margin-bottom: 40px;
            position: relative;
            z-index: 10;
        }

        .pricing-header h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .pricing-header p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.6;
        }

        .pricing-toggle {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-bottom: 40px;
            position: relative;
            z-index: 10;
            background: var(--card-bg);
            padding: 10px 20px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .toggle-label {
            font-weight: 700;
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }

        .toggle-label.active {
            color: var(--primary);
            font-weight: 800;
        }

        .pricing-switch {
            position: relative;
            display: inline-block;
            width: 52px;
            height: 28px;
            cursor: pointer;
        }

        .pricing-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .pricing-slider {
            position: absolute;
            inset: 0;
            background-color: var(--border-color);
            transition: .4s;
            border-radius: 34px;
        }

        .pricing-slider:before {
            position: absolute;
            content: "";
            height: 20px;
            width: 20px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
            box-shadow: var(--shadow-xs);
        }

        input:checked + .pricing-slider {
            background-color: var(--primary);
        }

        input:checked + .pricing-slider:before {
            transform: translateX(24px);
        }

        .plans-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            width: 100%;
            max-width: 1400px;
            margin-bottom: 60px;
            position: relative;
            z-index: 10;
        }

        .plan-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            box-sizing: border-box;
        }

        .plan-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-glow);
        }

        .plan-card.featured {
            border: 2px solid var(--purple);
            box-shadow: 0 20px 40px var(--purple-light);
        }

        .plan-card.featured:hover {
            box-shadow: 0 25px 50px var(--purple-glow);
        }

        .plan-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--primary);
            color: #ffffff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 11px;
            font-weight: 700;
        }

        .plan-card.featured .plan-badge {
            background: var(--gold-gradient);
        }

        .plan-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .plan-price-container {
            margin: 15px 0 25px 0;
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .plan-price {
            font-size: 42px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1;
            transition: all 0.3s ease;
        }

        .plan-period {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .plan-description {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 30px;
            min-height: 45px;
            line-height: 1.6;
        }

        .plan-features-list {
            list-style: none;
            padding: 0;
            margin: 0 0 35px 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .plan-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }

        .plan-feature-item i {
            font-size: 15px;
        }

        .plan-feature-item.check i {
            color: var(--success);
        }

        .plan-feature-item.cross i {
            color: var(--text-muted);
        }

        .plan-feature-item.future i {
            color: #f59e0b;
        }

        .plan-btn {
            width: 100%;
            padding: 14px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition);
            margin-top: auto;
            text-decoration: none;
            text-align: center;
            font-family: 'Cairo', sans-serif;
        }

        .plan-btn-primary {
            background: var(--primary);
            color: #ffffff;
        }

        .plan-btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px var(--primary-glow);
        }

        .plan-btn-purple {
            background: var(--gold-gradient);
            color: #ffffff;
        }

        .plan-btn-purple:hover {
            background: var(--gold-gradient-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px var(--purple-light);
        }

        .plan-btn-outline {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
        }

        .plan-btn-outline:hover {
            background: var(--card-bg-2);
            color: var(--text-primary);
            border-color: var(--text-muted);
        }

        /* Detailed Comparison Matrix Table */
        .comparison-section {
            width: 100%;
            max-width: 1100px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 40px 30px;
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 10;
            box-sizing: border-box;
            margin-bottom: 40px;
        }

        .comparison-section h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 25px;
            text-align: center;
        }

        .comp-table-wrapper {
            overflow-x: auto;
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: right;
        }

        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .comp-table th {
            font-weight: 800;
            color: var(--text-primary);
            background: var(--card-bg-2);
        }

        .comp-table th:first-child {
            border-top-right-radius: 10px;
        }

        .comp-table th:last-child {
            border-top-left-radius: 10px;
        }

        .comp-table tr:hover td {
            background: var(--card-bg-2);
        }

        .comp-table td.feature-name {
            font-weight: 700;
            color: var(--text-primary);
        }

        .comp-table td.val-center {
            text-align: center;
        }

        .comp-table td i.fa-check-circle {
            color: var(--success);
            font-size: 18px;
        }

        .comp-table td i.fa-times-circle {
            color: var(--text-muted);
            font-size: 18px;
            opacity: 0.6;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            margin-top: 20px;
            transition: var(--transition);
            z-index: 10;
            position: relative;
        }

        .back-link:hover {
            color: var(--primary);
        }

        @media (max-width: 1100px) {
            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .plans-grid {
                grid-template-columns: 1fr;
            }
            .comparison-section {
                padding: 20px 15px;
            }
            .comp-table th, .comp-table td {
                padding: 12px 10px;
                font-size: 13px;
            }
        }

        @keyframes pulse-green {
            0% {
                transform: scale(1);
                box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
            }
            50% {
                transform: scale(1.05);
                box-shadow: 0 4px 20px rgba(16, 185, 129, 0.6);
            }
            100% {
                transform: scale(1);
                box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
            }
        }

        /* Key Limits Grid in Cards */
        .plan-limits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin: 15px 0 25px 0;
        }
        .limit-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md, 8px);
            padding: 10px 6px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transition: var(--transition, all 0.3s ease);
        }
        .plan-card:hover .limit-box {
            border-color: rgba(255, 255, 255, 0.1);
        }
        .limit-box:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .limit-val {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary, #3b82f6);
            line-height: 1.2;
            direction: ltr;
        }
        .limit-lbl {
            font-size: 11px;
            color: var(--text-secondary, #64748b);
            margin-top: 4px;
            font-weight: 700;
        }
        /* Specific card tweaks for premium */
        .plan-card.featured .limit-val {
            color: var(--purple, #a855f7);
        }