* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
            background: #0a0a0a;
            min-height: 100vh;
            position: relative;
        }

        /* Background Image */
        .bg-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
        }

        .bg-overlay::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1516589091380-5d8e87df6999?w=1920&h=1080&fit=crop') center/cover;
            filter: brightness(0.3);
            z-index: 1;
        }

        .bg-overlay::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(231, 76, 60, 0.3) 0%, rgba(192, 57, 43, 0.5) 100%);
            z-index: 2;
        }

        /* Hamburger Menu */
        .hamburger {
            position: fixed;
            top: 2rem;
            left: 2rem;
            z-index: 2000;
            cursor: pointer;
            width: 30px;
            height: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }

        .hamburger span {
            width: 100%;
            height: 3px;
            background: #fff;
            border-radius: 3px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }

        /* Header */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 2rem 5%;
            transition: all 0.3s ease;
        }

        .header-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: #fff;
            text-decoration: none;
            margin-left: 80px;
            transition: all 0.3s ease;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .language-selector {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            gap: 0.8rem;
            position: relative;
        }

        .language-selector:hover {
            background: rgba(255,255,255,0.2);
            border-color: rgba(255,255,255,0.3);
        }

        .current-flag {
            font-size: 1.3rem;
        }

        .language-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 0.5rem;
            background: rgba(30, 30, 30, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 15px;
            overflow: hidden;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            min-width: 180px;
        }

        .language-selector.active .language-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .language-option {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.5rem;
            cursor: pointer;
            transition: all 0.2s ease;
            color: white;
            text-decoration: none;
        }

        .language-option:hover {
            background: rgba(231, 76, 60, 0.2);
        }

        .language-option.active {
            background: rgba(231, 76, 60, 0.3);
        }

        .language-option span:first-child {
            font-size: 1.5rem;
        }

        .btn-back-home {
            background: transparent;
            color: white;
            padding: 0.8rem 2rem;
            border: 2px solid white;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

        .btn-back-home:hover {
            background: white;
            color: #e74c3c;
            transform: translateY(-2px);
        }

        /* Background Animation */
        .floating-hearts {
            position: fixed;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 3;
        }

        .heart {
            position: absolute;
            color: rgba(231, 76, 60, 0.3);
            font-size: 20px;
            animation: floatUp 8s linear infinite;
        }

        @keyframes floatUp {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) rotate(360deg);
                opacity: 0;
            }
        }

        /* Main Container */
        .signup-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 5% 80px;
            position: relative;
            z-index: 10;
        }

        .signup-container {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-radius: 30px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 600px;
            padding: 3rem;
            position: relative;
            animation: slideIn 0.6s ease;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Progress Bar */
        .progress-container {
            margin-bottom: 3rem;
        }

        .progress-bar {
            background: #e0e0e0;
            height: 6px;
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 2rem;
        }

        .progress-fill {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            height: 100%;
            width: 20%;
            transition: width 0.5s ease;
        }

        .progress-steps {
            display: flex;
            justify-content: space-between;
        }

        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            flex: 1;
            position: relative;
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e0e0e0;
            color: #999;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin-bottom: 0.5rem;
            transition: all 0.3s ease;
        }

        .step.active .step-number {
            background: #e74c3c;
            color: white;
            transform: scale(1.1);
        }

        .step.completed .step-number {
            background: #4CAF50;
            color: white;
        }

        .step-label {
            font-size: 0.8rem;
            color: #666;
            text-align: center;
        }

        .step.active .step-label {
            color: #e74c3c;
            font-weight: 600;
        }

        /* Form Steps */
        .form-step {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .form-step.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateX(20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .step-title {
            font-size: 2rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            text-align: center;
            font-weight: 800;
        }

        .step-subtitle {
            color: #7f8c8d;
            text-align: center;
            margin-bottom: 2rem;
            font-size: 1.1rem;
        }

        /* Form Elements */
        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #2c3e50;
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }

        .form-control:focus {
            outline: none;
            border-color: #e74c3c;
            background: white;
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
        }

        /* Gender/Looking Selection */
        .selection-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .selection-card {
            padding: 2rem;
            border: 2px solid #e0e0e0;
            border-radius: 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }

        .selection-card:hover {
            border-color: #e74c3c;
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .selection-card.selected {
            border-color: #e74c3c;
            background: rgba(231, 76, 60, 0.1);
        }

        .selection-icon {
            font-size: 3rem;
            margin-bottom: 0.5rem;
        }

        /* Religion Selection */
        .religion-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .religion-card {
            padding: 1.5rem;
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: white;
            font-weight: 500;
        }

        .religion-card:hover {
            border-color: #e74c3c;
            transform: translateY(-3px);
        }

        .religion-card.selected {
            border-color: #e74c3c;
            background: #e74c3c;
            color: white;
        }

        /* Interest Tags */
        .interests-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 1.5rem;
        }

        .interest-tag {
            padding: 0.6rem 1.2rem;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            background: white;
            font-size: 0.9rem;
        }

        .interest-tag:hover {
            border-color: #e74c3c;
            transform: translateY(-2px);
        }

        .interest-tag.selected {
            background: #e74c3c;
            color: white;
            border-color: #e74c3c;
        }

        /* Photo Upload */
        .photo-upload {
            border: 3px dashed #e0e0e0;
            border-radius: 20px;
            padding: 3rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            background: #f8f9fa;
        }

        .photo-upload:hover {
            border-color: #e74c3c;
            background: rgba(231, 76, 60, 0.05);
        }

        .photo-upload input[type="file"] {
            position: absolute;
            left: -9999px;
        }

        .upload-icon {
            font-size: 3rem;
            margin-bottom: 0.5rem;
            color: #e74c3c;
        }

        .photo-slot .upload-text {
            color: #7f8c8d;
            font-size: 0.85rem;
            margin-top: 0.5rem;
            text-align: center;
            padding: 0 1rem;
        }

        .photo-slot:first-child .upload-text {
            color: #e74c3c;
            font-weight: 600;
        }

        .photo-preview {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            overflow: hidden;
            display: none;
            border: 3px solid #e74c3c;
        }

        .photo-preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Multiple Photos Grid */
        .photos-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .photo-slot {
            aspect-ratio: 3/4;
            border: 3px dashed #e0e0e0;
            border-radius: 15px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: #f8f9fa;
            position: relative;
            overflow: hidden;
        }

        .photo-slot:hover {
            border-color: #e74c3c;
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .photo-slot.filled {
            border: 3px solid #e74c3c;
            background: #000;
        }

        .photo-slot.dragging {
            opacity: 0.5;
            transform: scale(0.95);
        }

        .photo-slot.drag-over {
            border-color: #4CAF50;
            background: rgba(76, 175, 80, 0.1);
        }

        .photo-slot img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            pointer-events: none;
        }

        .photo-slot-number {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 600;
            z-index: 2;
        }

        .photo-slot.filled .photo-slot-number {
            background: #e74c3c;
        }

        .photo-slot-actions {
            position: absolute;
            top: 10px;
            right: 10px;
            display: flex;
            gap: 5px;
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 2;
        }

        .photo-slot:hover .photo-slot-actions {
            opacity: 1;
        }

        .photo-action-btn {
            background: rgba(0, 0, 0, 0.7);
            color: white;
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .photo-action-btn:hover {
            background: #e74c3c;
            transform: scale(1.1);
        }

        .photo-info {
            text-align: center;
            color: #7f8c8d;
            font-size: 0.9rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .photo-info-icon {
            color: #e74c3c;
        }

        .photo-slot .upload-content {
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .photo-slot.filled .upload-content {
            display: none;
        }

        /* Photo Upload Animation */
        @keyframes photoUpload {
            0% {
                transform: scale(0.8);
                opacity: 0;
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
                opacity: 1;
            }
        }

        .photo-slot.uploading img {
            animation: photoUpload 0.5s ease;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .photos-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Age Slider */
        .age-slider {
            margin: 2rem 0;
        }

        .slider {
            width: 100%;
            height: 6px;
            border-radius: 3px;
            background: #e0e0e0;
            outline: none;
            -webkit-appearance: none;
        }

        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #e74c3c;
            cursor: pointer;
        }

        .slider::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #e74c3c;
            cursor: pointer;
        }

        .age-display {
            text-align: center;
            font-size: 2rem;
            color: #e74c3c;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        /* Buttons */
        .form-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .btn {
            flex: 1;
            padding: 1rem 2rem;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-back {
            background: #f8f9fa;
            color: #666;
            border: 2px solid #e0e0e0;
        }

        .btn-back:hover {
            background: #e0e0e0;
        }

        .btn-next {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
        }

        .btn-next:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
        }

        .btn-next:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Success Message */
        .success-message {
            text-align: center;
            animation: bounceIn 0.8s ease;
        }

        @keyframes bounceIn {
            0% {
                opacity: 0;
                transform: scale(0.5);
            }
            60% {
                transform: scale(1.1);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        .success-icon {
            font-size: 5rem;
            color: #4CAF50;
            margin-bottom: 1rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .signup-container {
                padding: 2rem;
            }

            .selection-grid {
                grid-template-columns: 1fr;
            }

            .religion-grid {
                grid-template-columns: 1fr 1fr;
            }

            .logo {
                margin-left: 60px;
            }
        }