/* Base Styles & Variables */
        :root {
            --primary: #6c5ce7;
            --primary-light: #a29bfe;
            --accent: #00cec9;
            --text: #2d3436;
            --text-light: #636e72;
            --bg: #f5f6fa;
            --card-bg: rgba(255, 255, 255, 0.9);
            --success: #00b894;
            --danger: #d63031;
            --warning: #fdcb6e;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            --border-radius: 16px;
            --transition: all 0.3s ease;
        }

        [data-theme="dark"] {
            --text: #f5f6fa;
            --text-light: #dfe6e9;
            --bg: #1e272e;
            --card-bg: rgba(30, 39, 46, 0.8);
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: var(--bg);
            color: var(--text);
            min-height: 100vh;
            transition: var(--transition);
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(108, 92, 231, 0.1) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(0, 206, 201, 0.1) 0%, transparent 20%);
        }

        /* Container */
        .welcome-container {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header */
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            animation: fadeIn 0.5s ease;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .logo-icon {
            font-size: 28px;
            color: var(--primary);
        }

        .logo-text {
            font-size: 24px;
            font-weight: 700;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .theme-toggle {
            width: 50px;
            height: 25px;
            background: rgba(108, 92, 231, 0.2);
            border-radius: 20px;
            position: relative;
            cursor: pointer;
            transition: var(--transition);
        }

        .theme-toggle::before {
            content: '';
            position: absolute;
            width: 19px;
            height: 19px;
            border-radius: 50%;
            background: var(--primary);
            top: 3px;
            left: 3px;
            transition: var(--transition);
        }

        [data-theme="dark"] .theme-toggle::before {
            transform: translateX(25px);
        }

        .auth-buttons {
            display: flex;
            gap: 15px;
        }

        .btn {
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            border: none;
        }

        .btn-primary:hover {
            background: #5a4bd1;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(108, 92, 231, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: rgba(108, 92, 231, 0.1);
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 60px;
            gap: 40px;
            animation: fadeIn 0.8s ease;
        }

        .hero-content {
            flex: 1;
            max-width: 600px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 20px;
            color: var(--text-light);
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .hero-actions {
            display: flex;
            gap: 15px;
            margin-bottom: 40px;
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-image img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            animation: float 6s ease-in-out infinite;
        }

        /* Features Section */
        .features {
            padding: 80px 0;
            animation: fadeIn 1s ease;
        }

        .section-title {
            text-align: center;
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 60px;
            color: var(--text);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .feature-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text);
        }

        .feature-description {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Testimonials */
        .testimonials {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.05), rgba(0, 206, 201, 0.05));
            border-radius: var(--border-radius);
            margin: 40px 0;
            animation: fadeIn 1.2s ease;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .testimonial-content {
            font-style: italic;
            color: var(--text);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
        }

        .author-info {
            display: flex;
            flex-direction: column;
        }

        .author-name {
            font-weight: 700;
            color: var(--text);
        }

        .author-title {
            font-size: 14px;
            color: var(--text-light);
        }

        /* CTA Section */
        .cta {
            text-align: center;
            padding: 80px 20px;
            animation: fadeIn 1.4s ease;
        }

        .cta-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
        }

        .cta-subtitle {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* Footer */
        .footer {
            padding: 40px 0;
            border-top: 1px solid rgba(108, 92, 231, 0.1);
            margin-top: 60px;
            animation: fadeIn 1.6s ease;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
        }

        .footer-logo-icon {
            font-size: 24px;
            color: var(--primary);
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .footer-description {
            color: var(--text-light);
            max-width: 300px;
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            gap: 60px;
            flex-wrap: wrap;
        }

        .link-group {
            min-width: 150px;
        }

        .link-title {
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text);
        }

        .link-list {
            list-style: none;
        }

        .link-item {
            margin-bottom: 10px;
        }

        .link {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            transition: var(--transition);
        }

        .social-link:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }

        .copyright {
            text-align: center;
            margin-top: 60px;
            color: var(--text-light);
            font-size: 14px;
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .hero {
                flex-direction: column;
                text-align: center;
            }

            .hero-content {
                max-width: 100%;
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            .hero-actions {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 36px;
            }

            .hero-subtitle {
                font-size: 18px;
            }

            .section-title {
                font-size: 30px;
            }

            .auth-buttons {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn {
                width: 100%;
            }

            .footer-content {
                flex-direction: column;
            }

            .footer-links {
                flex-direction: column;
                gap: 30px;
            }
        }