/* ==================== Reset & Base ==================== */
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: #e0e6ed;
            background: #0a0e1a;
            overflow-x: hidden;
            line-height: 1.6;
        }
        a { text-decoration: none; color: inherit; transition: color .3s; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }

        /* ==================== Utility ==================== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-title h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #00d4ff, #7b2fff);
            border-radius: 2px;
        }
        .section-title p {
            color: #8892a4;
            font-size: 16px;
            margin-top: 20px;
        }

        /* ==================== Navigation ==================== */
        .navbar {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            padding: 18px 0;
            transition: all .4s ease;
        }
        .navbar.scrolled {
            background: rgba(10, 14, 26, .92);
            backdrop-filter: blur(20px);
            padding: 12px 0;
            box-shadow: 0 2px 30px rgba(0,0,0,.3);
        }
        .navbar .container {
            display: flex; align-items: center; justify-content: space-between;
        }
        .logo {
            font-size: 20px; font-weight: 700; color: #fff;
            display: flex; align-items: center; gap: 10px;
        }
        .logo-image {
            width: 52px !important;
            height: 52px !important;
            min-width: 52px;
            min-height: 52px;
            max-width: 52px;
            max-height: 52px;
            flex: 0 0 52px;
            object-fit: contain;
            display: block;
        }
        .nav-links { display: flex; gap: 32px; align-items: center; }
        .nav-links a {
            font-size: 14px; color: #b0b8c8; font-weight: 400;
            position: relative; padding: 4px 0;
        }
        .nav-links a::after {
            content: ''; position: absolute; bottom: 0; left: 0;
            width: 0; height: 2px;
            background: linear-gradient(90deg, #00d4ff, #7b2fff);
            transition: width .3s;
        }
        .nav-links a:hover { color: #fff; }
        .nav-links a:hover::after { width: 100%; }
        .nav-contact-btn {
            padding: 8px 24px;
            background: linear-gradient(135deg, #00d4ff, #7b2fff);
            border-radius: 20px;
            font-size: 14px; font-weight: 500; color: #fff !important;
            transition: transform .3s, box-shadow .3s;
        }
        .nav-contact-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(0, 212, 255, .4);
        }
        .nav-contact-btn::after { display: none !important; }

        /* Mobile menu */
        .menu-toggle { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
        .menu-toggle span { width: 24px; height: 2px; background: #fff; transition: .3s; border-radius: 2px; }

        /* ==================== Hero ==================== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex; align-items: center; justify-content: center;
            overflow: hidden;
        }
        #particles-canvas {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            z-index: 0;
        }
        .hero-bg-gradient {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, .08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 50%, rgba(123, 47, 255, .08) 0%, transparent 60%);
            z-index: 1;
        }
        .hero-content {
            position: relative; z-index: 2;
            text-align: center; padding: 0 24px;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 20px;
            border: 1px solid rgba(0, 212, 255, .3);
            border-radius: 20px;
            font-size: 13px; color: #00d4ff;
            margin-bottom: 28px;
            backdrop-filter: blur(10px);
            background: rgba(0, 212, 255, .05);
        }
        .hero-content h1 {
            font-size: 52px; font-weight: 700; color: #fff;
            line-height: 1.3; margin-bottom: 24px;
        }
        .hero-content h1 .gradient-text {
            background: linear-gradient(90deg, #00d4ff, #7b2fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 18px; color: #8892a4;
            max-width: 640px; margin: 0 auto 40px;
            line-height: 1.8;
        }
        .hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, #00d4ff, #7b2fff);
            border: none; border-radius: 28px;
            font-size: 15px; font-weight: 500; color: #fff;
            cursor: pointer;
            transition: transform .3s, box-shadow .3s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 212, 255, .35);
        }
        .btn-secondary {
            padding: 14px 36px;
            background: transparent;
            border: 1px solid rgba(255,255,255,.2);
            border-radius: 28px;
            font-size: 15px; font-weight: 500; color: #fff;
            cursor: pointer;
            transition: all .3s;
        }
        .btn-secondary:hover {
            border-color: #00d4ff;
            background: rgba(0, 212, 255, .08);
        }
        /* Scroll indicator */
        .scroll-indicator {
            position: absolute; bottom: 40px; left: 50%;
            transform: translateX(-50%); z-index: 2;
            display: flex; flex-direction: column; align-items: center; gap: 8px;
        }
        .scroll-indicator span { font-size: 12px; color: #8892a4; }
        .scroll-mouse {
            width: 24px; height: 38px; border: 2px solid rgba(255,255,255,.2);
            border-radius: 12px; position: relative;
        }
        .scroll-mouse::after {
            content: ''; position: absolute;
            top: 6px; left: 50%; transform: translateX(-50%);
            width: 3px; height: 8px; background: #00d4ff;
            border-radius: 2px;
            animation: scrollDown 2s infinite;
        }
        @keyframes scrollDown {
            0% { opacity: 1; transform: translateX(-50%) translateY(0); }
            100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
        }

        /* ==================== About Section ==================== */
        .about { padding: 120px 0; position: relative; }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px; align-items: center;
        }
        .about-left h3 {
            font-size: 28px; font-weight: 700; color: #fff;
            margin-bottom: 20px;
        }
        .about-left p {
            font-size: 15px; color: #8892a4; line-height: 1.9;
            margin-bottom: 16px;
        }
        .about-highlights {
            display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
            margin-top: 32px;
        }
        .about-highlight-item {
            padding: 20px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
            border-radius: 12px;
            transition: all .3s;
        }
        .about-highlight-item:hover {
            border-color: rgba(0, 212, 255, .2);
            background: rgba(0, 212, 255, .04);
        }
        .about-highlight-item h4 {
            font-size: 22px; font-weight: 700; color: #00d4ff;
            margin-bottom: 4px;
        }
        .about-highlight-item p { font-size: 13px; color: #8892a4; margin: 0; }
        .about-visual {
            position: relative;
            height: 400px;
            display: flex; align-items: center; justify-content: center;
        }
        .about-visual-card {
            width: 100%; height: 100%;
            background: linear-gradient(145deg, rgba(0,212,255,.06), rgba(123,47,255,.06));
            border: 1px solid rgba(255,255,255,.06);
            border-radius: 20px;
            display: flex; align-items: center; justify-content: center;
            position: relative; overflow: hidden;
        }
        .data-flow-visual {
            width: 80%; height: 80%;
            position: relative;
        }
        .flow-node {
            position: absolute;
            padding: 12px 20px;
            background: rgba(0, 212, 255, .1);
            border: 1px solid rgba(0, 212, 255, .25);
            border-radius: 10px;
            font-size: 13px; color: #00d4ff;
            white-space: nowrap;
            animation: floatNode 6s ease-in-out infinite;
        }
        .flow-node:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
        .flow-node:nth-child(2) { top: 5%; right: 15%; animation-delay: 1s; }
        .flow-node:nth-child(3) { top: 40%; left: 30%; animation-delay: 2s; background: rgba(123,47,255,.1); border-color: rgba(123,47,255,.25); color: #a78bfa; }
        .flow-node:nth-child(4) { bottom: 25%; left: 8%; animation-delay: 3s; }
        .flow-node:nth-child(5) { bottom: 15%; right: 10%; animation-delay: 1.5s; background: rgba(123,47,255,.1); border-color: rgba(123,47,255,.25); color: #a78bfa; }
        .flow-node:nth-child(6) { top: 65%; right: 25%; animation-delay: 2.5s; }
        @keyframes floatNode {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        /* ==================== Product ==================== */
        .product { padding: 120px 0; position: relative; }
        .product-slider {
            position: relative;
            margin-top: 10px;
        }
        .product-viewport {
            overflow: hidden;
            border-radius: 22px;
            border: 1px solid rgba(255,255,255,.08);
            background: linear-gradient(145deg, rgba(0,212,255,.07), rgba(123,47,255,.05));
            box-shadow: 0 24px 70px rgba(0,0,0,.35);
        }
        .product-track {
            display: flex;
            transition: transform .75s cubic-bezier(.22, .8, .22, 1);
            will-change: transform;
        }
        .product-slide {
            min-width: 100%;
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
            opacity: .68;
            filter: saturate(.85);
            transition: opacity .45s, filter .45s;
        }
        .product-slide.is-active {
            opacity: 1;
            filter: saturate(1);
        }
        .product-media {
            position: relative;
            overflow: hidden;
            border-right: 1px solid rgba(255,255,255,.08);
            background: radial-gradient(circle at 20% 20%, rgba(0,212,255,.2), transparent 60%);
        }
        .product-media::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(130deg, transparent 20%, rgba(0,212,255,.16) 50%, transparent 80%);
            transform: translateX(-120%);
            animation: techSweep 6.8s linear infinite;
            pointer-events: none;
            z-index: 2;
        }
        .product-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(
                to bottom,
                rgba(255,255,255,.05) 0,
                rgba(255,255,255,.05) 1px,
                transparent 1px,
                transparent 8px
            );
            opacity: .15;
            pointer-events: none;
            z-index: 2;
        }
        @keyframes techSweep {
            0% { transform: translateX(-120%); }
            100% { transform: translateX(120%); }
        }
        .product-card-image {
            width: 100%;
            height: 100%;
            min-height: 440px;
            object-fit: cover;
            transition: transform .8s ease, filter .5s ease;
            filter: contrast(1.06) saturate(1.05);
        }
        .product-slide.is-active .product-card-image {
            transform: scale(1.04);
        }
        .product-card-body {
            padding: 34px 30px;
            background: linear-gradient(160deg, rgba(12,22,40,.86), rgba(10,14,26,.9));
        }
        .product-slide h3 {
            font-size: 27px;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .4px;
        }
        .product-slide p {
            font-size: 15px;
            color: #a7b2c5;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .product-points {
            display: grid;
            gap: 10px;
        }
        .product-points li {
            position: relative;
            padding-left: 18px;
            font-size: 14px;
            line-height: 1.8;
            color: #b4bdcd;
        }
        .product-points li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #00d4ff;
            box-shadow: 0 0 12px rgba(0, 212, 255, .6);
        }
        .product-nav {
            position: absolute;
            top: calc(50% - 24px);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,.16);
            background: rgba(8, 14, 28, .7);
            color: #d9ecff;
            font-size: 30px;
            line-height: 1;
            cursor: pointer;
            z-index: 5;
            transition: transform .25s, background .25s, border-color .25s;
            backdrop-filter: blur(8px);
        }
        .product-nav:hover {
            transform: scale(1.05);
            background: rgba(0, 212, 255, .22);
            border-color: rgba(0,212,255,.45);
        }
        .product-nav.prev { left: -20px; }
        .product-nav.next { right: -20px; }
        .product-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 16px;
        }
        .product-dot {
            width: 34px;
            height: 8px;
            border-radius: 8px;
            border: none;
            background: rgba(255,255,255,.18);
            cursor: pointer;
            transition: all .28s;
        }
        .product-dot.is-active {
            width: 52px;
            background: linear-gradient(90deg, #00d4ff, #53e3ff);
            box-shadow: 0 0 16px rgba(0, 212, 255, .45);
        }
        .product-cta {
            text-align: center;
            margin-top: 36px;
        }

        /* ==================== Contact / CTA ==================== */
        .cta { padding: 120px 0; position: relative; }
        .cta-box {
            text-align: center;
            padding: 80px 60px;
            background: linear-gradient(145deg, rgba(0,212,255,.06), rgba(123,47,255,.06));
            border: 1px solid rgba(255,255,255,.08);
            border-radius: 24px;
            position: relative; overflow: hidden;
        }
        .cta-box::before {
            content: ''; position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(0,212,255,.04) 0%, transparent 60%);
            animation: rotateBg 20s linear infinite;
        }
        @keyframes rotateBg {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .cta-box h2 {
            font-size: 36px; font-weight: 700; color: #fff;
            margin-bottom: 16px; position: relative;
        }
        .cta-box p {
            font-size: 16px; color: #8892a4;
            margin-bottom: 40px; position: relative;
        }
        .cta-contacts {
            display: flex; gap: 40px; justify-content: center;
            flex-wrap: wrap; margin-bottom: 36px;
            position: relative;
        }
        .cta-contact-item {
            display: flex; align-items: center; gap: 10px;
            font-size: 15px; color: #b0b8c8;
        }
        .cta-contact-icon {
            width: 40px; height: 40px;
            background: rgba(0, 212, 255, .12);
            border-radius: 10px;
            display: flex; align-items: center; justify-content: center;
            font-size: 18px;
        }

        /* ==================== Footer ==================== */
        .footer {
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px; margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 18px; font-weight: 700; color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px; color: #8892a4; line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px; font-weight: 600; color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 13px; color: #8892a4;
            margin-bottom: 10px;
            transition: color .3s;
        }
        .footer-col a:hover { color: #00d4ff; }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,.06);
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 12px;
        }
        .footer-bottom p {
            font-size: 12px; color: #5a6478;
        }

        /* ==================== Animations on Scroll ==================== */
        .fade-in {
            opacity: 0; transform: translateY(30px);
            transition: opacity .8s ease, transform .8s ease;
        }
        .fade-in.visible {
            opacity: 1; transform: translateY(0);
        }

        /* ==================== Responsive ==================== */
        @media (max-width: 1024px) {
            .hero-content h1 { font-size: 40px; }
            .product-slide {
                grid-template-columns: 1fr;
            }
            .product-card-image {
                min-height: 320px;
            }
            .product-media {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,.08);
            }
            .about-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .hero-content h1 { font-size: 30px; }
            .nav-links { display: none; }
            .menu-toggle { display: flex; }
            .nav-links.active {
                display: flex; flex-direction: column;
                position: absolute; top: 100%; left: 0; width: 100%;
                background: rgba(10, 14, 26, .96);
                padding: 24px; gap: 18px;
                backdrop-filter: blur(20px);
            }
            .product-card-image { min-height: 240px; }
            .product-card-body {
                padding: 24px 20px;
            }
            .product-slide h3 {
                font-size: 22px;
            }
            .product-nav {
                width: 42px;
                height: 42px;
                top: calc(50% - 60px);
                font-size: 26px;
            }
            .product-nav.prev { left: 10px; }
            .product-nav.next { right: 10px; }
            .section-title h2 { font-size: 28px; }
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ==================== Custom Scrollbar ==================== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: #0a0e1a; }
        ::-webkit-scrollbar-thumb {
            background: linear-gradient(#00d4ff, #7b2fff);
            border-radius: 3px;
        }