* {
            font-family: 'Poppins', sans-serif;
        }
        
        button {
            cursor: pointer !important;
        }

        .glass {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
        }

        .card-premium {
            transition: all 0.3s ease;
        }

        .card-premium:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }

        .disabled-section {
            opacity: 0.4;
            pointer-events: none;
            filter: grayscale(0.5);
        }

        /* Unselected card - base gray style */
        .card-header-unselected {
            background: linear-gradient(135deg, #64748b 0%, #475569 100%);
            position: relative;
            overflow: hidden;
        }

        .card-header-unselected::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='3' cy='3' r='1'/%3E%3C/g%3E%3C/svg%3E");
        }

        /* Selected card - base style */
        .card-header-selected {
            position: relative;
            overflow: hidden;
        }

        .card-header-selected::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='3' cy='3' r='1'/%3E%3C/g%3E%3C/svg%3E");
        }

        /* Package 1: Gray (Başlangıç) */
        .pkg-gray {
            background: linear-gradient(135deg, #94a3b8 0%, #9ca3af 100%);
            filter: grayscale(0.8);
        }

        .pkg-gray-selected {
            background: linear-gradient(135deg, #64748b 0%, #475569 50%, #1e293b 100%);
        }

        /* Package 2: Blue (Yerel) */
        .pkg-blue {
            background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #1d4ed8 100%);
        }

        .pkg-blue-selected {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1e40af 100%);
        }

        /* Package 3: Red (Bölgesel) */
        .pkg-red {
            background: linear-gradient(135deg, #f87171 0%, #ef4444 50%, #b91c1c 100%);
        }

        .pkg-red-selected {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 50%, #991b1b 100%);
        }

        /* Package 4: Gold/Black (Lider) */
        /* Package 4: Silver (Lider) - Was Gold */
        .pkg-silver {
            background: linear-gradient(135deg, #3f3f46 0%, #18181b 50%, #09090b 100%);
        }

        .pkg-silver-selected {
            background: linear-gradient(135deg, #27272a 0%, #09090b 50%, #000000 100%);
        }

        .pkg-silver .text-xl,
        .pkg-silver .text-3xl,
        .pkg-silver-selected .text-xl,
        .pkg-silver-selected .text-3xl {
            background: linear-gradient(to right, #C0C0C0 0%, #E8E8E8 25%, #9E9E9E 50%, #E8E8E8 75%, #C0C0C0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Package 5: Gold (VIP) - Was Purple */
        .pkg-gold {
            background: linear-gradient(135deg, #3f3f46 0%, #18181b 50%, #09090b 100%);
        }

        .pkg-gold-selected {
            background: linear-gradient(135deg, #27272a 0%, #09090b 50%, #000000 100%);
        }

        .pkg-gold .text-xl,
        .pkg-gold .text-3xl,
        .pkg-gold-selected .text-xl,
        .pkg-gold-selected .text-3xl {
            background: linear-gradient(to right, #BF953F 0%, #FCF6BA 25%, #B38728 50%, #FBF5B7 75%, #AA771C 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Reklam Gücü Progress Bar */
        .power-bar {
            height: 8px;
            background: #e2e8f0;
            border-radius: 9999px;
            overflow: hidden;
        }

        .power-bar-fill {
            height: 100%;
            border-radius: 9999px;
            transition: width 0.5s ease;
        }

        /* Header content */
        .header-content {
            position: relative;
            z-index: 1;
        }

        /* Radio button styles */
        .radio-circle {
            width: 24px;
            height: 24px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
            flex-shrink: 0;
        }

        .radio-circle-selected {
            background: white;
            border-color: white;
        }

        .radio-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #dc2626;
            opacity: 0;
            transition: all 0.3s;
        }

        .radio-dot-selected {
            opacity: 1;
        }

        /* Feature styles */
        .feature-on {
            color: #1e293b;
        }

        .feature-off {
            color: #94a3b8;
        }

        .icon-on {
            color: #22c55e;
        }

        .icon-off {
            color: #cbd5e1;
        }

        /* Extra packages */
        .gradient-extra {
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
        }

        .gradient-combo {
            background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
        }

        input[type="checkbox"]:checked+label {
            border-color: #f59e0b !important;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
        }

        /* Popular badge */
        .popular-badge {
            animation: pulse-glow 2s infinite;
        }

        @keyframes pulse-glow {

            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5);
            }

            50% {
                box-shadow: 0 0 20px 5px rgba(220, 38, 38, 0.3);
            }
        }

        .price-strike {
            text-decoration: line-through;
            opacity: 0.6;
            font-size: 0.75em;
        }

        /* Description Alignment Fix */
        .header-content p.text-xs {
            min-height: 48px;
            /* Force minimum height for 3 lines of text */
            display: -webkit-box;
            -webkit-line-clamp: 5;
            line-clamp: 5;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Scale up the popular package - Desktop only to prevent mobile overflow */
        /* Scale Popular Card Class - Toggled by JS */
        @media (min-width: 768px) {
            .card-popular {
                transform: scale(1.07);
                /* Reduced scale to 5% */
                z-index: 20 !important;
                position: relative;
                box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.3) !important;
            }

            /* Sibling z-index fix */
            .package-card:not(:hover) .card-popular {
                z-index: 20;
            }
        }

        @media (max-width: 767px) {
            .card-popular {
                transform: scale(1.07);
                z-index: 20 !important;
                position: relative;
                margin-top: 1rem;
                margin-bottom: 1rem;
                box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15) !important;
            }
        }

        /* Ensure grid has space for the scaled item if needed, mainly on desktop */
        @media (min-width: 768px) {
            #packageCards {
                align-items: center;
                /* Center items vertically to prevent stretching */
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-entry {
            animation: fadeInUp 0.6s ease-out forwards;
            opacity: 0;
        }

        .delay-100 {
            animation-delay: 0.1s;
        }

        .delay-200 {
            animation-delay: 0.2s;
        }

        .delay-300 {
            animation-delay: 0.3s;
        }

        /* Tooltips */
        .tooltip-container {
            position: relative;
            display: inline-flex;
            align-items: center;
            cursor: help;
            border-bottom: 1px dashed #94a3b8;
        }

        .tooltip-text {
            visibility: hidden;
            width: 200px;
            background-color: #334155;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 8px;
            position: absolute;
            z-index: 100;
            bottom: 125%;
            left: 50%;
            margin-left: -100px;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.75rem;
            font-weight: normal;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            pointer-events: none;
        }

        .tooltip-text::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -5px;
            border-width: 5px;
            border-style: solid;
            border-color: #334155 transparent transparent transparent;
        }

        .tooltip-container:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
        }

        /* Validation Tick */
        .input-valid-icon {
            display: none;
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #dc2626;
            pointer-events: none;
        }

        .input-group {
            position: relative;
        }

        .input-group.valid .input-valid-icon {
            display: block;
        }

        .input-group.valid input {
            border-color: #dc2626;
            background-color: #fef2f2;
        }

        /* Modal Transition */
        .modal-backdrop {
            transition: opacity 0.3s ease-out;
        }

        .modal-content {
            transition: transform 0.3s ease-out, opacity 0.3s ease-out;
        }

        .modal-hidden {
            opacity: 0;
            pointer-events: none;
        }

        .modal-hidden .modal-content {
            transform: scale(0.95);
            opacity: 0;
        }

        .disabled-section {
            opacity: 0.6;
            pointer-events: none;
            filter: grayscale(0.5);
        }

        /* Annual Packages Green Theme */
        .pkg-annual-green {
            background: linear-gradient(135deg, #059669 0%, #047857 50%, #065f46 100%);
        }

        .pkg-annual-green-selected {
            background: linear-gradient(135deg, #047857 0%, #065f46 50%, #064e3b 100%);
        }

        /* Local Annual - Teal */
        .pkg-annual-teal {
            background: linear-gradient(135deg, #0d9488 0%, #0f766e 50%, #115e59 100%);
        }

        .pkg-annual-teal-selected {
            background: linear-gradient(135deg, #0f766e 0%, #115e59 50%, #134e4a 100%);
        }

        /* Regional Annual - Emerald */
        .pkg-annual-emerald {
            background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
        }

        .pkg-annual-emerald-selected {
            background: linear-gradient(135deg, #059669 0%, #047857 50%, #065f46 100%);
        }

        /* Period Toggle Styles */
        .period-toggle-container {
            display: inline-flex;
            background: #e2e8f0;
            border-radius: 9999px;
            padding: 4px;
            gap: 4px;
        }

        .period-toggle-btn {
            padding: 8px 24px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            background: transparent;
            color: #64748b;
        }

        .period-toggle-btn.active {
            background: linear-gradient(135deg, #dc2626 0%, #be123c 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
        }

        .period-toggle-btn.active-annual {
            background: linear-gradient(135deg, #059669 0%, #047857 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
        }

        /* Package 6: Purple (Mega) */
        .pkg-purple {
            background: linear-gradient(135deg, #a855f7 0%, #7c3aed 50%, #6d28d9 100%);
        }

        .pkg-purple-selected {
            background: linear-gradient(135deg, #9333ea 0%, #7c3aed 50%, #6d28d9 100%);
        }

        /* Package 6: Diamond (Mega) - Premium Dark Blue/Indigo */
        .pkg-diamond {
            background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%) !important;
        }

        .pkg-diamond-selected {
            background: linear-gradient(135deg, #020617 0%, #1e1b4b 50%, #312e81 100%);
        }

        .pkg-diamond .text-xl,
        .pkg-diamond .text-3xl,
        .pkg-diamond-selected .text-xl,
        .pkg-diamond-selected .text-3xl {
            background: linear-gradient(to right, #60a5fa 0%, #e0f2fe 25%, #3b82f6 50%, #e0f2fe 75%, #60a5fa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }