/* ===== RESET & BASE ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background: #ffffff;
            color: #1e1e2a;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== BUTTONS ===== */
        .btn-primary {
            display: inline-block;
            background: #f97316;
            color: #ffffff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 14px 38px;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.15s ease;
            text-align: center;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .btn-primary:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.40);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            color: #1e1e2a;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 13px 36px;
            border-radius: 40px;
            border: 2px solid #1e1e2a;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease;
            text-align: center;
        }

        .btn-outline:hover {
            background: #1e1e2a;
            color: #ffffff;
        }

        /* ===== HERO (Attention) ===== */
        .hero {
            padding: 60px 0 56px;
            background: linear-gradient(145deg, #f8faff 0%, #eef4fa 100%);
            border-bottom: 1px solid #e6edf4;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-image {
            border-radius: 20px;
            overflow: hidden;
            background: #d9e2ec;
            box-shadow: 0 12px 40px rgba(0, 20, 40, 0.10);
        }

        .hero-image img,
        .hero-image .placeholder-img {
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            display: block;
            background: #cbd5e1;
        }

        .hero-badge {
            display: inline-block;
            background: #0b3b5c;
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -1px;
            color: #0b2a3f;
            margin-bottom: 16px;
        }

        .hero h1 .highlight {
            color: #f97316;
        }

        .hero-sub {
            font-size: 1.2rem;
            color: #2d4055;
            margin-bottom: 12px;
            font-weight: 400;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px 48px;
            margin: 24px 0 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(11, 59, 92, 0.10);
        }

        .hero-stats-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #1e3a5a;
        }

        .hero-stats-item svg {
            flex-shrink: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }

        .hero-actions .btn-primary {
            font-size: 1.1rem;
            padding: 16px 44px;
        }

        /* ===== TRUST BAR ===== */
        .trust-bar {
            background: #ffffff;
            padding: 20px 0;
            border-bottom: 1px solid #f0f4f8;
        }

        .trust-bar-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 24px 48px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #2d4055;
        }

        .trust-item svg {
            flex-shrink: 0;
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 64px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #0b2a3f;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 1.1rem;
            color: #4a5f77;
            max-width: 720px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FEATURES (Interest) ===== */
        .features {
            background: #ffffff;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }

        .feature-card {
            background: #f9fcff;
            padding: 32px 24px;
            border-radius: 16px;
            border: 1px solid #eaf0f6;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .feature-card:hover {
            border-color: #f97316;
            box-shadow: 0 8px 24px rgba(0, 20, 40, 0.06);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: #0b3b5c;
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #0b2a3f;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: #3d5670;
            font-size: 0.95rem;
        }

        /* ===== SPECS (Interest / Desire) ===== */
        .specs {
            background: #f8faff;
        }

        .specs-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .specs-image {
            border-radius: 16px;
            overflow: hidden;
            background: #d9e2ec;
        }

        .specs-image img,
        .specs-image .placeholder-img {
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            display: block;
            background: #cbd5e1;
        }

        .specs-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 24px;
        }

        .spec-item {
            display: flex;
            flex-direction: column;
            border-bottom: 1px solid #e6edf6;
            padding-bottom: 12px;
        }

        .spec-label {
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            color: #6f8aa5;
        }

        .spec-value {
            font-weight: 600;
            color: #0b2a3f;
            font-size: 1rem;
            margin-top: 2px;
        }

        .spec-note {
            grid-column: 1 / -1;
            font-size: 0.9rem;
            color: #6f8aa5;
            margin-top: 4px;
        }

        /* ===== SCENARIOS (Desire) ===== */
        .scenarios {
            background: #ffffff;
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
        }

        .scenario-card {
            background: #f9fcff;
            padding: 28px 20px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid #eaf0f6;
        }

        .scenario-card .emoji-big {
            font-size: 2.6rem;
            display: block;
            margin-bottom: 12px;
        }

        .scenario-card h4 {
            font-weight: 600;
            color: #0b2a3f;
            font-size: 1rem;
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: #4a5f77;
            margin-top: 4px;
        }

        /* ===== OEM (Desire) ===== */
        .oem {
            background: #0b2a3f;
            color: #ffffff;
        }

        .oem .section-title {
            color: #ffffff;
        }

        .oem .section-sub {
            color: #b6ccdf;
        }

        .oem-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            margin-top: 12px;
        }

        .oem-card {
            background: rgba(255, 255, 255, 0.06);
            padding: 28px 20px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(2px);
        }

        .oem-card .oem-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: block;
        }

        .oem-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: #ffffff;
        }

        .oem-card p {
            color: #b6ccdf;
            font-size: 0.95rem;
        }

        /* ===== FAQ ===== */
        .faq {
            background: #f8faff;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            background: #ffffff;
            border-radius: 12px;
            border: 1px solid #eaf0f6;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #0b2a3f;
            font-family: inherit;
            transition: background 0.15s ease;
        }

        .faq-question:hover {
            background: #f4f9ff;
        }

        .faq-question .arrow {
            transition: transform 0.25s ease;
            font-size: 1.2rem;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            color: #3d5670;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 24px 24px;
        }

        /* ===== CTA (Action) ===== */
        .cta-section {
            background: linear-gradient(145deg, #0b2a3f 0%, #123a54 100%);
            padding: 72px 0;
            text-align: center;
            color: #ffffff;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.15rem;
            color: #b6ccdf;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .cta-section .btn-primary {
            background: #f97316;
            font-size: 1.15rem;
            padding: 18px 52px;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
        }

        .cta-section .btn-primary:hover {
            background: #ea580c;
        }

        .cta-section .btn-outline-white {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 40px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: background 0.2s ease, border-color 0.2s ease;
            margin-left: 12px;
        }

        .cta-section .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: #ffffff;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero-grid {
                gap: 32px;
            }
            .specs-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero {
                padding: 40px 0 36px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-stats {
                gap: 16px 32px;
            }
            .hero-actions .btn-primary {
                font-size: 1rem;
                padding: 14px 32px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .specs-list {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section .btn-primary {
                font-size: 1rem;
                padding: 16px 36px;
            }
            .trust-bar-inner {
                gap: 16px 28px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 8px;
            }
            .specs-list {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: 1fr 1fr;
            }
            .oem-grid {
                grid-template-columns: 1fr;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-section .btn-outline-white {
                margin-left: 0;
            }
        }