:root {
            --color-bg-dark: #0B1120;
            --color-bg-dark-2: #111827;
            --color-bg-section: #0F172A;
            --color-surface-dark: #1E293B;
            --color-surface-dark-2: #1A2332;
            --color-bg-light: #ffffff;
            --color-bg-light-2: #f8fafc;
            --color-blue: #3399ff;
            --color-blue-hover: #92c8fe;
            --color-blue-light: rgba(50, 150, 255, 0.12);
            --color-blue-glow: rgba(50, 150, 255, 0.3);
            --color-blue: #3B82F6;
            --color-cyan: #22D3EE;
            --color-green: #34D399;
            --color-red: #EF4444;
            --color-text-white: #F1F5F9;
            --color-text-gray: #94A3B8;
            --color-text-dark: #0F172A;
            --color-text-dark-2: #334155;
            --color-text-dark-3: #64748B;
            --color-border-dark: rgba(255,255,255,0.08);
            --color-border-light: #E2E8F0;
            --warning: #FF8C00;
            --safe: #00D97E;
            --font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            background: var(--color-bg-dark);
            color: var(--color-text-white);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; }

        /* ===== HEADER ===== */
        .header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            padding: 0 48px;
            height: 64px;
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow 0.3s;
        }
        .header.scrolled {
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .header-logo img {
            height: 24px;
            width: auto;
        }
        .header-nav {
            display: flex;
            gap: 8px;
            flex: 1;
        }
        .header-nav a {
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-dark-3);
            border-radius: 8px;
            transition: all 0.2s;
        }
        .header-nav a:hover, .header-nav a.active {
            color: var(--color-text-dark);
            background: rgba(0,0,0,0.04);
        }
        .header-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-header-cta {
            background: var(--color-blue);
            color: white;
            padding: 10px 24px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            font-family: var(--font-family);
            white-space: nowrap;
            transition: all 0.3s;
        }
        .btn-header-cta:hover {
            background: transparent;
            color: var(--color-blue);
            box-shadow: inset 0 0 0 2px var(--color-blue);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            border: none;
            font-family: var(--font-family);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-blue);
            color: white;
        }
        .btn-primary:hover {
            background: var(--color-blue-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px var(--color-blue-glow);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-gray);
            border: 1px solid rgba(255,255,255,0.2);
        }
        .btn-outline:hover {
            border-color: var(--color-blue);
            color: var(--color-blue);
        }
        .btn-outline-dark {
            background: transparent;
            border: 1px solid var(--color-border-light);
            color: var(--color-text-dark);
        }
        .btn-outline-dark:hover {
            border-color: var(--color-blue);
            color: var(--color-blue);
        }
        .btn-ghost {
            background: rgba(255,255,255,0.06);
            color: var(--color-text-white);
            border: 1px solid rgba(255,255,255,0.12);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.1);
        }
        .btn i { font-size: 16px; }

        /* ===== HERO ===== */
        .hero {
            padding: 150px 48px 150px;
            background: var(--color-bg-dark);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('images/iseek-hoisting-port-worker-safety-harness.webp') right center / cover no-repeat;
            transform: scaleX(-1);
            -webkit-mask-image: linear-gradient(to left, transparent 0%, transparent 30%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.7) 75%, rgba(0,0,0,0.85) 100%);
            mask-image: linear-gradient(to left, transparent 0%, transparent 30%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.7) 75%, rgba(0,0,0,0.85) 100%);
            opacity: 0.45;
            pointer-events: none;
        }
        /* Grid overlay */
        .hero::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 60% 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--color-blue-light);
            border: 1px solid rgba(50,150,255,0.25);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-blue);
            margin-bottom: 24px;
        }
        .hero-badge::before {
            content: ''; width: 6px; height: 6px;
            background: var(--color-blue);
            border-radius: 50%;
        }
        .hero-title {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--color-blue);
            display: block;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--color-text-gray);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text-white);
            line-height: 1;
            margin-bottom: 4px;
        }
        .hero-stat-num {
          display: block;
          font-family: var(--font-family);
          font-size: 56px;
          font-weight: 700;
          line-height: 1;
          color: var(--color-blue);
          text-shadow: 2px 2px 8px rgba(0,0,0,0.8), 0 0 20px rgba(59,130,246,0.3);
        }
        .hero-stat-num.safe { color: var(--safe); }
        .hero-stat-num.warn { color: var(--warning); }
        .hero-stat-label {
            display: block;
            font-size: 13px;
            color: var(--color-text-gray);
            margin-top: 8px;
        }

        /* Hero Dashboard Mockup */
        .hero-dashboard {
            display: none;
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            background: var(--color-surface-dark-2);
            border: 1px solid var(--color-border-dark);
            box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 60px rgba(59,130,246,0.06);
        }
        .dashboard-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .dashboard-tab {
            display: flex;
            gap: 4px;
        }
        .dashboard-tab span {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
            color: var(--color-text-gray);
        }
        .dashboard-tab span.active {
            background: var(--color-blue);
            color: white;
            font-weight: 600;
        }
        .dashboard-body {
            padding: 20px;
        }
        /* Bar chart mockup */
        .mock-chart {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 100px;
            margin-bottom: 16px;
            padding-bottom: 4px;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .mock-bar {
            flex: 1;
            border-radius: 3px 3px 0 0;
            min-height: 8px;
            transition: height 0.3s;
        }
        .mock-bar.orange { background: var(--color-blue); }
        .mock-bar.orange-light { background: rgba(50,150,255,0.35); }
        .mock-bar.gray { background: rgba(255,255,255,0.08); }

        /* Line chart area */
        .mock-line-chart {
            height: 80px;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }
        .mock-line-chart svg {
            width: 100%;
            height: 100%;
        }
        .dashboard-bottom-row {
            display: flex;
            gap: 16px;
            padding: 0 20px 20px;
        }
        .dashboard-mini-card {
            flex: 1;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--color-border-dark);
            border-radius: 10px;
            padding: 14px;
        }
        .mini-card-label {
            font-size: 10px;
            color: var(--color-text-gray);
            margin-bottom: 6px;
        }
        .mini-card-value {
            font-size: 14px;
            font-weight: 700;
            font-family: var(--font-mono);
        }
        .mini-card-bar {
            margin-top: 8px;
            height: 4px;
            background: rgba(255,255,255,0.06);
            border-radius: 4px;
            overflow: hidden;
        }
        .mini-card-bar-fill {
            height: 100%;
            border-radius: 4px;
        }
        .made-with {
            text-align: right;
            padding: 10px 20px;
            font-size: 11px;
            color: var(--color-text-gray);
            border-top: 1px solid var(--color-border-dark);
            opacity: 0.5;
        }

        /* ===== SECTION HELPERS ===== */
        .section { padding: 100px 48px; }
        .section-inner { max-width: 1200px; margin: 0 auto; }
        .section-light { background: var(--color-bg-light); color: var(--color-text-dark); }
        .section-light-2 { background: var(--color-bg-light-2); color: var(--color-text-dark); }
        .section-dark { background: var(--color-bg-dark-2); }
        .section-dark-2 { background: var(--color-bg-section); }
        .section-dark-3 { background: #0D1525; }

        /* Section dividers */
        .section-divider {
            position: relative;
        }
        .section-divider::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 1200px;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(59,130,246,0.3) 20%, rgba(59,130,246,0.5) 50%, rgba(59,130,246,0.3) 80%, transparent 100%);
        }

        .section-label {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-blue);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-title-light { color: var(--color-text-dark); }
        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            max-width: 640px;
        }
        .section-desc-light { color: var(--color-text-dark-3); }
        .section-desc-dark { color: var(--color-text-gray); }
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }

        /* ===== 職災現況與挑戰 ===== */
        .challenge-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .challenge-card {
            background: var(--color-surface-dark);
            border: 1px solid var(--color-border-dark);
            border-radius: 16px;
            padding: 32px 28px;
            text-align: center;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            overflow: hidden;
        }
        .challenge-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .challenge-card:hover::before {
            transform: scaleX(1);
        }
        .challenge-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 48px rgba(0,0,0,0.35), 0 0 24px rgba(59,130,246,0.1);
            border-color: rgba(59,130,246,0.35);
            background: var(--color-surface-dark-2);
        }
        .challenge-card-icon {
            width: 56px; height: 56px;
            background: var(--color-blue-light);
            border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: var(--color-blue);
            transition: transform 0.4s, background 0.4s;
        }
        .challenge-card:hover .challenge-card-icon {
            transform: scale(1.15) rotate(-5deg);
            background: rgba(59,130,246,0.2);
        }
        .challenge-card-title, .platform-feature-title, .flow-card-title, .benefit-card-title {
            margin: 0;
        }
        .challenge-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 10px;
            transition: color 0.3s;
        }
        .challenge-card:hover .challenge-card-title {
            color: var(--color-blue);
        }
        .challenge-card-desc {
            font-size: 14px;
            color: var(--color-text-gray);
            line-height: 1.7;
        }

        /* Quote box */
        .quote-box {
            margin-top: 48px;
            background: var(--color-surface-dark-2);
            border: 1px solid var(--color-border-dark);
            border-radius: 16px;
            padding: 32px 36px;
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }
        .quote-avatar {
            width: 52px; height: 52px;
            background: var(--color-blue-light);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 22px;
            color: var(--color-blue);
            flex-shrink: 0;
        }
        .quote-content {
            flex: 1;
        }
        .quote-role {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 8px;
        }
        .quote-text {
            font-size: 15px;
            color: var(--color-text-gray);
            line-height: 1.8;
            font-style: italic;
        }
        .quote-text::before { content: '\201C'; font-size: 24px; color: var(--color-blue); margin-right: 4px; }
        .quote-text::after { content: '\201D'; font-size: 24px; color: var(--color-blue); margin-left: 4px; }

        /* ===== iSeek AI 解決方案 ===== */
        .platform-header {
            margin-bottom: 64px;
        }
        .platform-header .section-title {
            margin-bottom: 12px;
        }
        .platform-subtitle {
            font-size: 16px;
            color: var(--color-text-gray);
            letter-spacing: 2px;
        }
        .platform-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 60px;
            align-items: center;
        }
        .platform-feature {
            display: flex;
            gap: 16px;
            margin-bottom: 12px;
            padding: 16px;
            border-radius: 12px;
            border: 1px solid transparent;
            transition: all 0.35s ease;
            cursor: default;
        }
        .platform-feature:last-child {
            margin-bottom: 0;
        }
        .platform-feature:hover {
            background: rgba(255,255,255,0.04);
            border-color: rgba(52, 211, 153, 0.25);
            transform: translateX(8px);
        }
        .platform-feature-icon {
            width: 40px; height: 40px;
            background: rgba(52, 211, 153, 0.15);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 16px;
            color: var(--color-green);
            flex-shrink: 0;
            margin-top: 2px;
            transition: transform 0.35s, background 0.35s, box-shadow 0.35s;
        }
        .platform-feature:hover .platform-feature-icon {
            transform: scale(1.2);
            background: rgba(52, 211, 153, 0.25);
            box-shadow: 0 0 16px rgba(52, 211, 153, 0.2);
        }
        .platform-feature-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 6px;
            transition: color 0.3s;
        }
        .platform-feature:hover .platform-feature-title {
            color: var(--color-green);
        }
        .platform-feature-desc {
            font-size: 14px;
            color: var(--color-text-gray);
            line-height: 1.7;
        }
        .platform-image {
            border-radius: 16px;
            overflow: hidden;
            position: relative;
        }
        .platform-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 16px;
        }

        /* ===== 運作流程 (System Flow) ===== */
        .flow-header {
            margin-bottom: 48px;
            text-align: center;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            margin-top: 48px;
            background: var(--color-surface-dark);
            border: 1px solid var(--color-border-dark);
            border-radius: 16px;
            overflow: hidden;
        }
        .flow-card {
            padding: 36px 24px;
            text-align: center;
            border-right: 1px solid var(--color-border-dark);
            transition: all 0.35s ease;
        }
        .flow-card:last-child {
            border-right: none;
        }
        .flow-card:hover {
            background: rgba(59,130,246,0.12);
            box-shadow: inset 0 -3px 0 var(--color-blue);
        }
        .flow-number {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 500;
            color: var(--color-blue);
            opacity: 0.5;
            margin-bottom: 20px;
            line-height: 1;
            transition: opacity 0.3s, transform 0.3s;
        }
        .flow-card:hover .flow-number {
            opacity: 1;
            transform: scale(1.1);
        }
        .flow-icon {
            font-size: 32px;
            margin-bottom: 16px;
            display: block;
            transition: transform 0.3s;
        }
        .flow-card:hover .flow-icon {
            transform: translateY(-4px);
        }
        .flow-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 12px;
        }
        .flow-card-desc {
            font-size: 13px;
            color: var(--color-text-gray);
            line-height: 1.8;
        }

        /* ===== iSeek 核心功能展示 ===== */
        .feature-tabs {
            display: flex;
            gap: 0;
            margin-top: 40px;
            margin-bottom: 40px;
            border-bottom: 2px solid var(--color-border-dark);
        }
        .feature-tab {
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-gray);
            cursor: pointer;
            border-bottom: 2px solid transparent;
            margin-bottom: -2px;
            transition: all 0.2s;
        }
        .feature-tab:hover {
            color: var(--color-text-white);
        }
        .feature-tab.active {
            color: var(--color-blue);
            border-bottom-color: var(--color-blue);
        }
        .feature-tabs .tab-btn {
            margin-left: auto;
            align-self: center;
            margin-bottom: 0;
        }

        .feature-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .feature-image-box {
            border-radius: 16px;
            overflow: hidden;
            background: var(--color-bg-dark);
            border: 1px solid rgba(255,255,255,0.06);
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .feature-image-placeholder {
            width: 100%;
            height: 320px;
            background:
                linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .feature-image-placeholder::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .feature-overlay-text {
            position: relative;
            z-index: 1;
            text-align: center;
            color: var(--color-text-gray);
        }
        .feature-overlay-text i {
            font-size: 48px;
            color: var(--color-blue);
            display: block;
            margin-bottom: 12px;
        }

        .iot-section {
            margin-top: 60px;
            padding: 40px;
            background: var(--color-surface-dark);
            border: 1px solid var(--color-border-dark);
            border-radius: 16px;
        }
        .iot-section-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text-white);
            margin-bottom: 16px;
        }
        .iot-section-desc {
            font-size: 15px;
            color: var(--color-text-gray);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .iot-list {
            list-style: none;
            margin-bottom: 28px;
        }
        .iot-list li {
            font-size: 14px;
            color: var(--color-text-gray);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .iot-list li::before {
            content: '';
            width: 6px; height: 6px;
            background: var(--color-blue);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-blue);
            transition: gap 0.2s;
        }
        .btn-link:hover {
            gap: 10px;
        }

        /* ===== 預期效益 ===== */
        .benefits-section {
            padding: 100px 48px;
            background: var(--color-bg-dark-2);
            text-align: center;
            position: relative;
        }
        .benefits-inner {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .benefits-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-text-white);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .benefits-subtitle {
            font-size: 16px;
            color: var(--color-text-gray);
            margin-bottom: 64px;
        }
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 48px;
        }
        .benefit-card {
            text-align: center;
        }
        .benefit-value {
            display: flex;
            align-items: baseline;
            justify-content: center;
            gap: 6px;
            margin-bottom: 16px;
        }
        .benefit-arrow {
            font-size: 28px;
            font-weight: 700;
            color: var(--warning);
        }
        .benefit-number {
            font-family: var(--font-family);
            font-size: 56px;
            font-weight: 700;
            color: var(--warning);
            line-height: 1;
        }
        .benefit-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 10px;
        }
        .benefit-card-desc {
            font-size: 14px;
            color: var(--color-text-gray);
            line-height: 1.7;
        }

        /* ===== FAQ SECTION ===== */
        .faq-list {
            max-width: 800px;
            margin: 48px auto 0;
        }
        .faq-item {
            border: 1px solid var(--color-border-dark);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(59,130,246,0.35);
        }
        .faq-question {
            width: 100%;
            background: var(--color-surface-dark);
            border: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-white);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-family: var(--font-family);
            line-height: 1.6;
        }
        .faq-question:hover {
            color: var(--color-blue);
        }
        .faq-question::after {
            content: '+';
            font-size: 24px;
            font-weight: 300;
            color: var(--color-blue);
            flex-shrink: 0;
            transition: transform 0.3s;
        }
        .faq-item.open .faq-question::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-gray);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 120px 48px;
            background: var(--color-bg-dark);
            background-image: url('images/material-handling-safety-hero-bg.webp');
            background-position: center bottom;
            background-size: cover;
            background-repeat: no-repeat;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-overlay {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(to bottom, var(--color-bg-dark) 0%, transparent 30%, transparent 65%, var(--color-bg-dark) 100%);
            pointer-events: none;
        }
        .cta-inner {
            max-width: 750px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-label {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-blue);
            margin-bottom: 24px;
            text-transform: uppercase;
        }
        .cta-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 24px;
            letter-spacing: 1px;
            color: var(--color-text-white);
            text-shadow: 1px 1px 4px rgba(0, 0, 0, 1), 0 0 1px rgba(0, 0, 0, 1);
        }
        .cta-title .highlight {
            color: var(--color-blue);
        }
        .cta-desc {
            font-size: 16px;
            margin-bottom: 40px;
            line-height: 1.8;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
        }

        /* ===== FOOTER ===== */
        .footer {
            background: #2a2a2a;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 60px 48px 32px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
            gap: 70px;
            margin-bottom: 48px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-blue);
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo .logo-dot {
            width: 24px; height: 24px;
            background: var(--color-blue);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
        }
        .footer-brand .footer-logo .logo-dot::after {
            content: '';
            width: 8px; height: 8px;
            background: var(--color-bg-dark);
            border-radius: 50%;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-gray);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px; height: 36px;
            background: rgba(255,255,255,0.06);
            border-radius: 8px;
            display: flex; align-items: center; justify-content: center;
            color: var(--color-text-gray);
            font-size: 16px;
            transition: all 0.2s;
        }
        .footer-social a:hover {
            background: var(--color-blue);
            color: white;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 10px;
        }
        .footer-col a,
        .footer-col p {
            display: block;
            font-size: 13px;
            color: var(--color- text-gray);
            padding: 3px 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--color-blue);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: var(--color-text-gray);
            opacity: 0.5;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; }
            .hero-dashboard { max-width: 560px; }
            .platform-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            .header { padding: 0 20px; }
            .header-nav { display: none; }
            .hero { padding: 120px 20px 60px; }
            .hero-title { font-size: 36px; }
            .section { padding: 60px 20px; }
            .section-title, .benefits-title, .cta-title { font-size: 28px; }
            .challenge-cards { grid-template-columns: 1fr; }
            .flow-grid { grid-template-columns: repeat(2, 1fr); }
            .benefits-section { padding: 60px 20px; }
            .benefits-grid { gap: 32px; }
            .benefit-number { font-size: 42px; }
            .hero-stats { gap: 24px; }
            .hero-stat-value { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .feature-tabs { flex-wrap: wrap; }
            .cta-section { padding: 80px 20px; }
            .cta-buttons { flex-direction: column; align-items: center; }
        }
        @media (max-width: 480px) {
            .hero-cta { flex-direction: column; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; }
            .flow-grid { grid-template-columns: 1fr; }
            .benefits-grid { grid-template-columns: 1fr; }
        }
        /* ===== BACK TO TOP ===== */
        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 999;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-blue);
            color: #fff;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 4px 16px rgba(59,130,246,0.4);
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.3s, transform 0.3s;
            pointer-events: none;
        }
        .back-to-top.show {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: #eee;
            transform: translateY(-2px);
        }

        .back-to-top:hover i {
            color: var(--color-blue);
        }

        /* ===== SCROLL ANIMATIONS ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease-out, transform 0.7s ease-out;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .fade-up-delay-1 { transition-delay: 0.1s; }
        .fade-up-delay-2 { transition-delay: 0.2s; }
        .fade-up-delay-3 { transition-delay: 0.3s; }
        .fade-up-delay-4 { transition-delay: 0.4s; }

        /* Number count-up highlight */
        .benefit-number {
            transition: transform 0.3s;
        }
        .benefit-card:hover .benefit-number {
            transform: scale(1.1);
        }

        /* Flow card stagger */
        .flow-card {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.5s ease-out, transform 0.5s ease-out, background 0.3s;
        }
        .flow-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .flow-card:nth-child(1) { transition-delay: 0s; }
        .flow-card:nth-child(2) { transition-delay: 0.1s; }
        .flow-card:nth-child(3) { transition-delay: 0.2s; }
        .flow-card:nth-child(4) { transition-delay: 0.3s; }
        .flow-card:nth-child(5) { transition-delay: 0.4s; }

        /* Challenge card stagger */
        .challenge-card {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.5s ease-out, transform 0.5s ease-out, all 0.3s;
        }
        .challenge-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .challenge-card:nth-child(1) { transition-delay: 0s; }
        .challenge-card:nth-child(2) { transition-delay: 0.1s; }
        .challenge-card:nth-child(3) { transition-delay: 0.2s; }
        .challenge-card:nth-child(4) { transition-delay: 0.3s; }

        /* Benefit card stagger */
        .benefit-card {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.5s ease-out, transform 0.5s ease-out;
        }
        .benefit-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .benefit-card:nth-child(1) { transition-delay: 0s; }
        .benefit-card:nth-child(2) { transition-delay: 0.15s; }
        .benefit-card:nth-child(3) { transition-delay: 0.3s; }