/* CSS Reset & Variable Definitions */
        :root {
            --primary-color: #0d6efd;
            --primary-hover: #0b5ed7;
            --dark-navy: #0f172a;
            --slate-gray: #334155;
            --light-bg: #f8fafc;
            --border-color: #e2e8f0;
            --accent-green: #10b981;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-stack);
            color: var(--slate-gray);
            background-color: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Typography Helper Classes */
        h1, h2, h3 {
            color: var(--dark-navy);
            font-weight: 700;
            line-height: 1.25;
        }

        .section-tag {
            display: inline-block;
            text-transform: uppercase;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--primary-color);
            background-color: #e0edff;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .btn-primary {
            display: inline-block;
            background-color: var(--primary-color);
            color: #ffffff;
            font-weight: 600;
            padding: 16px 32px;
            border-radius: 6px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            text-align: center;
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(13, 110, 253, 0.3);
        }

        /* Placeholder Styles */
        .img-placeholder {
            background-color: #e2e8f0;
            border: 2px dashed #cbd5e1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #64748b;
            text-align: center;
            padding: 20px;
            border-radius: 8px;
            width: 100%;
            box-sizing: border-box;
        }
        
        .img-placeholder p { font-size: 0.85rem; margin-top: 8px; }

        /* ==================== AIDA SECTION 1: ATTENTION (HERO) ==================== */
        .hero-section {
            padding: 60px 0;
            background: linear-gradient(180deg, var(--light-bg) 0%, #ffffff 100%);
            border-bottom: 1px solid var(--border-color);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #475569;
            margin-bottom: 24px;
        }

        .b2b-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 30px;
        }

        .badge-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark-navy);
            background: #ffffff;
            padding: 8px 14px;
            border: 1px solid var(--border-color);
            border-radius: 20px;
        }

        .badge-item span {
            color: var(--accent-green);
        }

        /* ==================== AIDA SECTION 2: INTEREST (SPECS & ADVANTAGES) ==================== */
        .interest-section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 60px;
        }

        .feature-card {
            background: var(--light-bg);
            padding: 30px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

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

        /* Technical Specs Table */
        .specs-wrapper {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .specs-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .specs-table th, .specs-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .specs-table th {
            background-color: var(--light-bg);
            color: var(--dark-navy);
            font-weight: 700;
        }

        .specs-table tr:last-child td {
            border-bottom: none;
        }

        /* ==================== AIDA SECTION 3: DESIRE (CUSTOMIZATION & FAQ) ==================== */
        .desire-section {
            padding: 80px 0;
            background-color: var(--light-bg);
        }

        .oem-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 80px;
        }

        .oem-list {
            list-style: none;
            margin-top: 20px;
        }

        .oem-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 14px;
            font-weight: 500;
        }

        .oem-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent-green);
            font-weight: bold;
        }

        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--dark-navy);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.4rem;
            color: var(--primary-color);
        }

        .faq-item.active .faq-question::after {
            content: "−";
        }

        .faq-answer {
            padding: 0 24px 20px 24px;
            display: none;
            color: #475569;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ==================== AIDA SECTION 4: ACTION (CALL TO ACTION BANNER) ==================== */
        .action-banner-section {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .cta-banner {
            background: var(--dark-navy);
            color: #ffffff;
            border-radius: 12px;
            padding: 60px 40px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .cta-banner h2 {
            color: #ffffff;
            font-size: 2.2rem;
            margin-bottom: 16px;
        }

        .cta-banner p {
            color: #94a3b8;
            font-size: 1.1rem;
            margin-bottom: 30px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ==================== RESPONSIVE DESIGN (TABLETS & MOBILE) ==================== */
        @media (max-width: 992px) {
            .hero-grid, .oem-showcase {
                grid-template-columns: 1fr;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .cta-banner {
                padding: 40px 20px;
            }

            .cta-banner h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 576px) {
            .specs-table th, .specs-table td {
                padding: 10px 12px;
                font-size: 0.85rem;
            }
        }