/* roulang page: index */
:root {
            --primary: #0F52BA;
            --primary-hover: #0c4399;
            --primary-light: #eff6ff;
            --secondary: #00D084;
            --secondary-dark: #00a86b;
            --accent: #FF6B00;
            --accent-hover: #e05e00;
            --dark-bg: #0B132B;
            --dark-surface: #1C2541;
            --dark-border: #2e3a59;
            --light-bg: #F8FAFC;
            --white: #FFFFFF;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border-color: #E2E8F0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-main);
            line-height: 1.65;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Inter', 'Noto Sans SC', sans-serif;
            color: var(--text-main);
            line-height: 1.25;
            font-weight: 700;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Top Notification Bar */
        .top-bar {
            background-color: var(--dark-bg);
            color: var(--text-light);
            font-size: 0.85rem;
            padding: 8px 0;
            border-bottom: 1px solid var(--dark-border);
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-left span {
            margin-right: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-right {
            display: flex;
            gap: 15px;
        }

        .top-bar-right a:hover {
            color: var(--white);
        }

        /* Main Navigation */
        .site-header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 76px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .brand-logo i {
            font-size: 1.75rem;
            color: var(--accent);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(15, 82, 186, 0.25);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(15, 82, 186, 0.35);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(255, 107, 0, 0.25);
        }

        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 0, 0.35);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--border-color);
            color: var(--text-main);
        }

        .btn-outline:hover {
            background-color: var(--light-bg);
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-white {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--white);
        }

        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
        }

        /* Section Layouts */
        .section {
            padding: 85px 0;
            position: relative;
        }

        .section-light {
            background-color: var(--white);
        }

        .section-gray {
            background-color: var(--light-bg);
        }

        .section-dark {
            background-color: var(--dark-bg);
            color: var(--white);
        }

        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: var(--white);
        }

        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 55px;
        }

        .section-badge {
            display: inline-block;
            padding: 4px 14px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-dark .section-badge {
            background-color: rgba(0, 208, 132, 0.15);
            color: var(--secondary);
        }

        .section-title {
            font-size: clamp(1.65rem, 2.5vw, 2.25rem);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: var(--text-light);
        }

        /* 1. Hero Section */
        .hero {
            position: relative;
            background-color: var(--dark-bg);
            background-image: linear-gradient(135deg, rgba(11, 19, 43, 0.95), rgba(28, 37, 65, 0.9)), url('/assets/images/c78fe851ede7a1b2.jpg');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 80px 0 70px;
            overflow: hidden;
            border-bottom: 1px solid var(--dark-border);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 45px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: clamp(2.1rem, 3.8vw, 3.25rem);
            color: var(--white);
            margin-bottom: 20px;
            line-height: 1.2;
            letter-spacing: -0.8px;
        }

        .hero-content h1 span {
            background: linear-gradient(120deg, #60A5FA, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 30px;
            line-height: 1.75;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 35px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-badge-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .hero-badge-item i {
            color: var(--secondary);
            font-size: 1.1rem;
        }

        .hero-dashboard-preview {
            background: rgba(28, 37, 65, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-xl);
        }

        .kpi-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 20px;
        }

        .kpi-card {
            background: rgba(11, 19, 43, 0.6);
            border: 1px solid var(--dark-border);
            padding: 16px;
            border-radius: var(--radius-md);
        }

        .kpi-card-header {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 6px;
            display: flex;
            justify-content: space-between;
        }

        .kpi-card-val {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--white);
            font-family: 'Inter', sans-serif;
        }

        .kpi-card-val.green {
            color: var(--secondary);
        }

        .release-timeline {
            background: rgba(11, 19, 43, 0.6);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 16px;
        }

        .release-timeline-title {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .timeline-step {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            position: relative;
            padding-bottom: 12px;
        }

        .timeline-step:last-child {
            padding-bottom: 0;
        }

        .timeline-step::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 7px;
            bottom: 0;
            width: 2px;
            background: var(--dark-border);
        }

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

        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--dark-surface);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .timeline-dot.active {
            background: var(--secondary);
            box-shadow: 0 0 8px var(--secondary);
        }

        .timeline-info {
            font-size: 0.85rem;
        }

        .timeline-info strong {
            display: block;
            color: var(--white);
        }

        .timeline-info span {
            color: var(--text-light);
            font-size: 0.75rem;
        }

        /* 2. Intro Section */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .intro-img-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--border-color);
        }

        .intro-img-wrapper img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .intro-img-wrapper:hover img {
            transform: scale(1.03);
        }

        .intro-spec-box {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(15, 82, 186, 0.92);
            backdrop-filter: blur(8px);
            color: var(--white);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            display: flex;
            justify-content: space-around;
            text-align: center;
        }

        .intro-spec-item strong {
            display: block;
            font-size: 1.25rem;
            font-family: 'Inter', sans-serif;
        }

        .intro-spec-item span {
            font-size: 0.75rem;
            opacity: 0.85;
        }

        .intro-text-content h3 {
            font-size: 1.75rem;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .intro-text-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .intro-feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 25px;
        }

        .intro-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 500;
        }

        .intro-feature-item i {
            color: var(--primary);
            font-size: 1.1rem;
        }

        /* 3. Features Matrix */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(15, 82, 186, 0.2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon-wrapper {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 22px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon-wrapper {
            background-color: var(--primary);
            color: var(--white);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            flex-grow: 1;
        }

        /* 4. Products & Customization */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .product-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }

        .product-thumb {
            position: relative;
            height: 210px;
            overflow: hidden;
        }

        .product-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .product-card:hover .product-thumb img {
            transform: scale(1.05);
        }

        .product-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(11, 19, 43, 0.8);
            backdrop-filter: blur(4px);
            color: var(--white);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
        }

        .product-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .product-body h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .product-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .product-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 20px;
        }

        .product-badge-pill {
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 5. Deep Tech Architecture */
        .tech-cases-section {
            background-image: linear-gradient(180deg, #0B132B 0%, #111B38 100%);
            border-top: 1px solid var(--dark-border);
            border-bottom: 1px solid var(--dark-border);
        }

        .tech-diagram-container {
            background: var(--dark-surface);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-xl);
            margin-bottom: 45px;
        }

        .tech-layers {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tech-layer-card {
            background: rgba(11, 19, 43, 0.7);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .tech-layer-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
        }

        .tech-layer-card i {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .tech-layer-card h4 {
            font-size: 1.05rem;
            color: var(--white);
            margin-bottom: 8px;
        }

        .tech-layer-card p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 6. Success Stories */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .story-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .story-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .story-type {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
        }

        .story-period {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .story-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .story-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .story-metrics-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            background: var(--light-bg);
            padding: 12px;
            border-radius: var(--radius-md);
        }

        .story-metric-item strong {
            display: block;
            font-size: 1.15rem;
            color: var(--primary);
            font-family: 'Inter', sans-serif;
        }

        .story-metric-item span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 7. Metrics Bar */
        .metrics-bar {
            background-color: var(--primary);
            color: var(--white);
            padding: 50px 0;
            background-image: radial-gradient(circle at right top, rgba(0, 208, 132, 0.3), transparent 60%);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .metric-item {
            padding: 10px;
        }

        .metric-number {
            font-size: clamp(2rem, 3.5vw, 2.8rem);
            font-weight: 800;
            font-family: 'Inter', sans-serif;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }

        .metric-number span {
            color: var(--secondary);
        }

        .metric-label {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        /* 8. Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-stars {
            color: #FFB800;
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 22px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }

        .author-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .author-meta strong {
            display: block;
            font-size: 0.95rem;
        }

        .author-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 9. News & Ecosystem */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .news-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .news-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .news-card h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            flex-grow: 1;
        }

        .news-meta {
            font-size: 0.75rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* 10. FAQ Accordion */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            user-select: none;
        }

        .faq-question i {
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background-color: #FAFBFD;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 11. Guarantees */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guarantee-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .guarantee-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(0, 208, 132, 0.12);
            color: var(--secondary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 18px;
        }

        .guarantee-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .guarantee-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 12. Final CTA & Lead Form */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #152244 100%);
            color: var(--white);
            border-top: 1px solid var(--dark-border);
            padding: 85px 0;
        }

        .cta-container {
            max-width: 900px;
            margin: 0 auto;
            background: rgba(28, 37, 65, 0.85);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-lg);
            padding: 45px;
            box-shadow: var(--shadow-xl);
        }

        .cta-header {
            text-align: center;
            margin-bottom: 35px;
        }

        .cta-header h2 {
            font-size: clamp(1.8rem, 2.5vw, 2.3rem);
            color: var(--white);
            margin-bottom: 12px;
        }

        .cta-header p {
            color: var(--text-light);
            font-size: 1.05rem;
        }

        .lead-form {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-light);
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            background: rgba(11, 19, 43, 0.8);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            color: var(--white);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
            font-family: inherit;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 2px rgba(0, 208, 132, 0.2);
        }

        .form-textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-select option {
            background-color: var(--dark-bg);
            color: var(--white);
        }

        .form-btn-submit {
            grid-column: 1 / -1;
            margin-top: 10px;
            padding: 14px;
            font-size: 1.05rem;
        }

        /* Footer */
        .site-footer {
            background-color: #060a17;
            color: var(--text-light);
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand .brand-logo {
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand p {
            line-height: 1.7;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .footer-title {
            color: var(--white);
            font-size: 1.05rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
            color: var(--text-muted);
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
        }

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--white);
        }

        /* Floating Sticky Bar */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(11, 19, 43, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--dark-border);
            padding: 12px 0;
            z-index: 999;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
            transform: translateY(0);
            transition: transform 0.3s ease;
        }

        .sticky-bar.hidden {
            transform: translateY(100%);
        }

        .sticky-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .sticky-info {
            display: flex;
            align-items: center;
            gap: 15px;
            color: var(--white);
        }

        .sticky-info .tag {
            background: var(--accent);
            color: var(--white);
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 700;
        }

        .sticky-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sticky-close {
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1.1rem;
            padding: 4px;
            margin-left: 8px;
        }

        .sticky-close:hover {
            color: var(--white);
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .features-grid, .products-grid, .stories-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tech-layers, .guarantee-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .navbar {
                height: 64px;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 24px;
                box-shadow: var(--shadow-xl);
                border-bottom: 1px solid var(--border-color);
                clip-path: polygon(0 0, 100 0, 100 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                gap: 18px;
                align-items: flex-start;
            }
            .nav-menu.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .nav-actions {
                display: none;
            }
            .hero-grid, .intro-grid {
                grid-template-columns: 1fr;
                gap: 35px;
            }
            .features-grid, .products-grid, .stories-grid, .testimonials-grid, .guarantee-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .tech-layers {
                grid-template-columns: 1fr;
            }
            .lead-form {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .sticky-info span:not(.tag) {
                display: none;
            }
        }