/* ===== CSS Reset & Base ===== */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --secondary: #06b6d4;
            --accent: #f59e0b;
            --dark: #0f0a1a;
            --dark-light: #1a1033;
            --dark-card: #231538;
            --text: #e2e8f0;
            --text-muted: #94a3b8;
            --success: #10b981;
            --danger: #ef4444;
            --gradient-1: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
            --gradient-2: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
            --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--dark);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* ===== Selection ===== */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(40px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

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

        @keyframes borderGlow {
            0%, 100% { border-color: var(--primary); }
            50% { border-color: var(--secondary); }
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .animate-fadeInUp {
            animation: fadeInUp 0.8s ease-out forwards;
        }

        .animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
        .animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
        .animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
        .animate-delay-4 { animation-delay: 0.4s; opacity: 0; }
        .animate-delay-5 { animation-delay: 0.5s; opacity: 0; }

        /* ===== Navigation ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 10, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(124, 58, 237, 0.15);
            transition: var(--transition);
        }

        .navbar.scrolled {
            background: rgba(15, 10, 26, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text);
            font-size: 1.25rem;
            font-weight: 700;
        }

        .nav-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--gradient-1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 0 15px rgba(124, 58, 237, 0.4);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 4px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-1);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--text);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--gradient-1);
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
        }

        .nav-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(124, 58, 237, 0.6);
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-menu-btn span {
            display: block;
            width: 25px;
            height: 2px;
            background: var(--text);
            transition: var(--transition);
        }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 100px 24px 60px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: 
                radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
        }

        .hero-grid {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(124, 58, 237, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(124, 58, 237, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
        }

        .hero-content {
            max-width: 900px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {

            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.3);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 24px;
            animation: fadeInUp 0.6s ease-out;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, #a78bfa 50%, #06b6d4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 0.8s ease-out 0.1s forwards;
            opacity: 0;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2.5vw, 1.25rem);
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 40px;
            animation: fadeInUp 0.8s ease-out 0.2s forwards;
            opacity: 0;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease-out 0.3s forwards;
            opacity: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: var(--gradient-1);
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 25px rgba(124, 58, 237, 0.5);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 35px rgba(124, 58, 237, 0.7);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: transparent;
            color: var(--text);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            border: 2px solid rgba(124, 58, 237, 0.5);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.1);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 60px;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease-out 0.4s forwards;
            opacity: 0;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-light);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 100px 24px;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid rgba(124, 58, 237, 0.2);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .section-title span {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* ===== Showcase Images (3 Main Images) ===== */
        .showcase {
            background: var(--dark-light);
        }

        .showcase-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .showcase-item {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background: var(--dark-card);
            border: 1px solid rgba(124, 58, 237, 0.15);
            transition: var(--transition);
            cursor: pointer;
        }

        .showcase-item:hover {
            transform: translateY(-8px);
            border-color: rgba(124, 58, 237, 0.4);
            box-shadow: var(--shadow-glow);
        }

        .showcase-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

        .showcase-item:hover .showcase-img {
            transform: scale(1.05);
        }

        .showcase-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 10, 26, 0.95) 0%, transparent 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }

        .showcase-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--gradient-1);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            width: fit-content;
        }

        .showcase-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .showcase-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Features Cards ===== */
        .features-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--dark-card);
            border: 1px solid rgba(124, 58, 237, 0.1);
            border-radius: 20px;
            padding: 36px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-1);
            transform: scaleX(0);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(124, 58, 237, 0.3);
            box-shadow: var(--shadow-card);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .feature-card:nth-child(2) .feature-icon { background: rgba(6, 182, 212, 0.1); border-color: rgba(6, 182, 212, 0.2); }
        .feature-card:nth-child(3) .feature-icon { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.2); }
        .feature-card:nth-child(4) .feature-icon { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.2); }
        .feature-card:nth-child(5) .feature-icon { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.2); }
        .feature-card:nth-child(6) .feature-icon { background: rgba(139, 92, 246, 0.1); border-color: rgba(139, 92, 246, 0.2); }

        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== Function Intro ===== */
        .function-section {
            background: var(--dark-light);
        }

        .function-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .function-img-wrapper {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .function-img {
            width: 100%;
            border-radius: 24px;
            display: block;
        }

        .function-img-glow {
            position: absolute;
            inset: -2px;
            background: var(--gradient-1);
            border-radius: 26px;
            z-index: -1;
            opacity: 0.5;
            filter: blur(20px);
        }

        .function-content h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .function-content h3 span {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .function-list {
            list-style: none;
            margin-top: 24px;
        }

        .function-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .function-list li:last-child {
            border-bottom: none;
        }

        .function-check {
            width: 24px;
            height: 24px;
            min-width: 24px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.15);
            border: 1px solid var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--success);
            font-size: 0.8rem;
            margin-top: 2px;
        }

        .function-list-text {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .function-list-text strong {
            color: var(--text);
            display: block;
            margin-bottom: 2px;
        }

        /* ===== Deploy Tutorial ===== */
        .deploy-steps {
            max-width: 1000px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: 24px;
            margin-bottom: 40px;
            position: relative;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 60px;
            bottom: -40px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), transparent);
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-number {
            width: 50px;
            height: 50px;
            min-width: 50px;
            border-radius: 50%;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
            position: relative;
            z-index: 1;
        }

        .step-content {
            background: var(--dark-card);
            border: 1px solid rgba(124, 58, 237, 0.1);
            border-radius: 16px;
            padding: 28px;
            flex: 1;
            transition: var(--transition);
        }

        .step-content:hover {
            border-color: rgba(124, 58, 237, 0.3);
            transform: translateX(5px);
        }

        .step-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .step-code {
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(124, 58, 237, 0.15);
            border-radius: 10px;
            padding: 14px 18px;
            font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
            font-size: 0.85rem;
            color: var(--primary-light);
            overflow-x: auto;
            word-break: break-all;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--dark-light);
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--dark-card);
            border: 1px solid rgba(124, 58, 237, 0.1);
            border-radius: 16px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(124, 58, 237, 0.25);
        }

        .faq-question {
            padding: 22px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: var(--transition);
            margin-left: 12px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px;
        }

        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ===== Bottom Specs ===== */
        .specs-section {
            padding: 80px 24px;
        }

        .specs-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .spec-card {
            background: var(--dark-card);
            border: 1px solid rgba(124, 58, 237, 0.1);
            border-radius: 16px;
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .spec-card:hover {
            transform: translateY(-5px);
            border-color: rgba(124, 58, 237, 0.3);
            box-shadow: var(--shadow-glow);
        }

        .spec-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 12px;
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid rgba(124, 58, 237, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }

        .spec-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-light);
            margin-bottom: 4px;
        }

        .spec-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 100px 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background: var(--gradient-1);
            opacity: 0.08;
        }

        .cta-content {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-desc {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 36px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark-light);
            border-top: 1px solid rgba(124, 58, 237, 0.1);
            padding: 60px 24px 30px;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand {
            max-width: 300px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--gradient-1);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .social-link {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid rgba(124, 58, 237, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .function-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .specs-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links, .nav-download {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .hero-stats {
                gap: 24px;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .specs-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section {
                padding: 60px 20px;
            }
            .step-item {
                gap: 16px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                min-width: 40px;
                font-size: 1rem;
            }
            .step-item::before {
                left: 19px;
            }
        }

        @media (max-width: 480px) {
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .specs-grid {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ===== Mobile Menu ===== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(15, 10, 26, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(124, 58, 237, 0.2);
            padding: 20px 24px;
            z-index: 999;
            animation: fadeIn 0.3s ease;
        }

        .mobile-nav.active {
            display: block;
        }

        .mobile-nav a {
            display: block;
            padding: 14px 0;
            color: var(--text);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .mobile-nav a:hover {
            color: var(--primary-light);
            padding-left: 10px;
        }

        .mobile-nav .mobile-download {
            display: block;
            margin-top: 16px;
            padding: 14px;
            background: var(--gradient-1);
            color: #fff;
            text-align: center;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
        }