* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            background: #f5f7fa;
            min-height: 100vh;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .header {
            background: #fff;
            padding: 16px 20px;
            box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
            position: relative;
            z-index: 1000;
        }

        .logo-area img {
            height: 34px;
            width: auto;
        }

        .main-container {
            max-width: 480px;
            margin: 24px auto;
            padding: 0 16px;
        }

        .payment-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            margin-bottom: 32px;
            padding: 0 12px;
        }

        .payment-steps::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 50px;
            right: 50px;
            height: 2px;
            background: #e2e8f0;
            z-index: 1;
        }

        .step {
            position: relative;
            z-index: 2;
            background: #f5f7fa;
            padding: 0 15px;
            text-align: center;
        }

        .step-icon {
            width: 50px;
            height: 50px;
            background: #fff;
            border: 2px solid #e2e8f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 8px;
            color: #94a3b8;
            font-size: 18px;
            transition: all 0.3s ease;
        }

        .step.active .step-icon {
            background: #2563eb;
            border-color: #2563eb;
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
        }

        .step-text {
            font-size: 13px;
            color: #64748b;
            font-weight: 500;
        }

        .step.active .step-text {
            color: #2563eb;
        }

        .form-container {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 4px 24px -6px rgba(15, 23, 42, 0.06);
            padding: 32px 28px;
        }

        .form-title {
            font-size: 24px;
            color: #0f172a;
            margin-bottom: 12px;
            text-align: center;
            font-weight: 600;
            letter-spacing: -0.5px;
        }

        .form-description {
            text-align: center;
            color: #64748b;
            margin-bottom: 28px;
            font-size: 14px;
            padding: 0 10px;
            line-height: 1.6;
        }

        .amount-info {
            text-align: center;
            font-size: 13px;
            color: #2563eb;
            margin-bottom: 28px;
            padding: 14px;
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            border-radius: 12px;
        }

        .form-group {
            margin-bottom: 22px;
            position: relative;
        }

        .form-group i {
            position: absolute;
            left: 16px;
            top: 43px;
            color: #94a3b8;
            font-size: 16px;
            transition: color 0.2s ease;
        }

        .form-group input:focus + i {
            color: #2563eb;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #334155;
            font-weight: 500;
            font-size: 14px;
        }

        input[type="text"],
        input[type="email"],
        input[type="number"],
        input[type="tel"] {
            width: 100%;
            padding: 14px 16px 14px 45px;
            border: 1.5px solid #e2e8f0;
            border-radius: 14px;
            font-size: 15px;
            transition: all 0.2s ease;
            background: #fff;
            color: #0f172a;
            -webkit-appearance: none;
            appearance: none;
        }

        input:focus {
            border-color: #2563eb;
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        input::placeholder {
            color: #94a3b8;
        }

        .payment-methods {
            display: grid;
            grid-template-columns: <?php echo count($payment_methods) > 1 ? '1fr 1fr' : '1fr'; ?>;
            gap: 12px;
            margin-top: 28px;
        }

        .payment-method {
            position: relative;
            background: #fff;
            border: 1.5px solid #e2e8f0;
            border-radius: 16px;
            padding: 18px;
            cursor: pointer;
            text-align: center;
            transition: all 0.2s ease;
            overflow: hidden;
            user-select: none;
            -webkit-user-select: none;
        }

        .payment-method input[type="radio"] {
            position: absolute;
            opacity: 0;
            cursor: pointer;
        }

        .payment-method:hover {
            border-color: #93c5fd;
            background: #f8fafc;
        }

        .payment-method.selected {
            border-color: #2563eb;
            background: #eff6ff;
        }
        .payment-method.selected::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            background: #2563eb;
            width: 24px;
            height: 24px;
            border-bottom-left-radius: 12px;
        }

        .payment-method.selected::after {
            content: '✓';
            position: absolute;
            top: 3px;
            right: 6px;
            color: white;
            font-size: 12px;
        }

        .payment-method i {
            font-size: 24px;
            margin-bottom: 10px;
            color: #2563eb;
            transition: transform 0.2s ease;
            display: block;
        }

        .payment-method:hover i {
            transform: translateY(-2px);
        }

        .payment-method-title {
            font-weight: 500;
            color: #334155;
            font-size: 14px;
        }

        .submit-btn {
            background: #2563eb;
            color: white;
            width: 100%;
            padding: 16px;
            border: none;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            margin-top: 28px;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .submit-btn:hover {
            background: #1d4ed8;
        }

        .submit-btn:active {
            transform: translateY(1px);
        }

        .payment-info {
            text-align: center;
            margin-top: 20px;
            color: #64748b;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .payment-info i {
            color: #2563eb;
            font-size: 14px;
        }

        /* Mobil optimizasyonları */
        @media (max-width: 480px) {
            body {
                background: #fff;
            }
            
            .main-container {
                margin: 16px auto;
                padding: 0 12px;
            }

            .form-container {
                padding: 24px 20px;
                border-radius: 20px;
                box-shadow: none;
            }

            .payment-methods {
                grid-template-columns: 1fr;
            }

            .payment-method {
                padding: 16px;
            }

            input {
                font-size: 16px;
                padding: 12px 16px 12px 42px;
            }

            .form-group i {
                top: 41px;
                left: 14px;
            }

            .submit-btn {
                padding: 15px;
                border-radius: 12px;
            }

            .step-icon {
                width: 44px;
                height: 44px;
                font-size: 16px;
            }

            .payment-steps::before {
                top: 22px;
            }

            .step-text {
                font-size: 12px;
            }
        }

        /* iOS spesifik düzeltmeler */
        @supports (-webkit-touch-callout: none) {
            input {
                font-size: 16px;
            }
            
            .form-container {
                border-radius: 20px;
            }
            
            .submit-btn {
                cursor: default;
            }
        /* Ödeme Adımları için güncellenen CSS */
.payment-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    margin: 0 auto 32px;
    padding: 20px;
    max-width: 440px;
}

.payment-steps::before {
    content: '';
    position: absolute;
    top: 45%;
    left: 80px;
    right: 80px;
    height: 2px;
    background: #e2e8f0;
    z-index: 1;
}

.step {
    position: relative;
    z-index: 2;
    background: #f5f7fa;
    padding: 0 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 85px;
}

.step-icon {
    width: 46px;
    height: 46px;
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    color: #94a3b8;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(148, 163, 184, 0.1);
}

.step.active .step-icon {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.step-text {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
    white-space: nowrap;
}

.step.active .step-text {
    color: #2563eb;
    font-weight: 600;
}

/* Mobil optimizasyonları */
@media (max-width: 480px) {
    .payment-steps {
        padding: 15px 10px;
        margin-bottom: 24px;
    }

    .payment-steps::before {
        left: 50px;
        right: 50px;
    }

    .step {
        width: auto;
        padding: 0 8px;
    }

    .step-icon {
        width: 40px;
        height: 40px;
        font-size: 14px;
        margin-bottom: 6px;
    }

    .step-text {
        font-size: 11px;
        max-width: 70px;
        text-align: center;
        line-height: 1.2;
    }

    /* Arkaplan düzeltmesi */
    body {
        background: #f5f7fa;
    }

    .main-container {
        background: ;
        margin-top: 0;
        padding-top: 15px;
    }

    .form-container {
        margin-top: 20px;
    }
}

/* iPhone SE gibi küçük ekranlar için */
@media (max-width: 360px) {
    .payment-steps {
        padding: 12px 5px;
    }

    .payment-steps::before {
        left: 40px;
        right: 40px;
    }

    .step {
        padding: 0 5px;
    }

    .step-icon {
        width: 36px;
        height: 36px;
        font-size: 28px;
    }

    .step-text {
        font-size: 10px;
        max-width: 60px;
    }
}

/* Yatay mobil görünüm için */
@media (max-height: 480px) and (orientation: landscape) {
    .payment-steps {
        padding: 10px;
        margin-bottom: 20px;
    }

    .step-icon {
        width: 38px;
        height: 38px;
        margin-bottom: 4px;
    }
}