/* ------------------------------------
           1. RESET & DESIGN SYSTEM VARIABEL
        --------------------------------------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --warna-biru-logo: #0022FF;
            --warna-biru-hover: #001AD4;
            --warna-biru-gradient: linear-gradient(135deg, #0022FF, #0077FF);
            --warna-oranye-amber: #FF9900;
            --warna-oranye-hover: #E68A00;
            --warna-latar-putih: #FFFFFF;
            --warna-latar-terang: #F8FAFC;
            --warna-teks-gelap: #1E293B;
            --warna-teks-setengah: #64748B;
            --warna-garis: #E2E8F0;
        }

        body {
            background-color: var(--warna-latar-putih);
            color: var(--warna-teks-gelap);
            overflow-x: hidden;
        }

        /* ------------------------------------
           2. HEADER & NAVIGATION
        --------------------------------------- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(167, 195, 248, 0.9);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
            z-index: 1000;
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 14px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-container {
            display: flex;
            align-items: center;
            height: 30px;
        }

        .logo-img {
            height: 100%;
            width: auto;
            object-fit: contain;
        }

        .foto-container {
            display: flex;
            align-items: center;
            height: 10px;
        }

        .foto-img {
            height: 100%;
            width: auto;
            object-fit: contain;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: var(--warna-teks-gelap);
            font-weight: 600;
            font-size: 15px;
            transition: color 0.3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--warna-biru-logo);
        }

        .btn-nav {
            background-color: var(--warna-biru-logo);
            color: #ffffff;
            padding: 10px 22px;
            border-radius: 6px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid var(--warna-biru-logo);
        }

        .btn-nav:hover {
            background-color: var(--warna-biru-hover);
            box-shadow: 0 4px 12px rgba(0, 34, 255, 0.2);
        }

        /* ------------------------------------
           3. HERO SECTION
        --------------------------------------- */
        .hero-section {
            padding: 80px 20px 40px 20px;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 50px;
            min-height: 80vh;
        }

        .hero-content {
            flex: 1.1;
        }

        .hero-tag {
            display: inline-block;
            background-color: rgba(0, 34, 255, 0.06);
            color: var(--warna-biru-logo);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--warna-teks-gelap);
            margin-bottom: 20px;
        }

        /* Perubahan: Membuat teks biru jadi bergradasi modern */
        .hero-title span {
            background: var(--warna-biru-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-tagline {
            font-size: 18px;
            line-height: 1.65;
            color: var(--warna-teks-setengah);
            margin-bottom: 35px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .btn-primary {
            background-color: var(--warna-oranye-amber);
            color: #ffffff;
            text-decoration: none;
            padding: 15px 32px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 153, 0, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--warna-oranye-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--warna-biru-logo);
            text-decoration: none;
            padding: 15px 32px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 16px;
            border: 2px solid var(--warna-biru-logo);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 34, 255, 0.03);
            transform: translateY(-2px);
        }

        .hero-visual {
            flex: 0.9;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .video-container {
            width: 100%;
            max-width: 500px;
            background: #ffffff;
            border: 1px solid var(--warna-garis);
            padding: 10px;
            border-radius: 16px;
            box-shadow: 0 20px 50px rgba(0, 34, 255, 0.08);
        }

        .video-element {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
            background-color: #000000;
        }

        .foto-container {
            width: 100%;
            max-width: 500px;
            background: #ffffff;
            border: 1px solid var(--warna-garis);
            padding: 10px;
            border-radius: 16px;
            box-shadow: 0 20px 50px rgba(0, 34, 255, 0.08);
        }

        .foto-element {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
            background-color: #000000;
        }

        .video-element-2 {
            width: 50%;
            height: auto;
            display: block;
            border-radius: 10px;
            background-color: #000000;
        }

        /* ------------------------------------
           KODE BARU: 4. TRUST LOGO SECTION
        --------------------------------------- */
        .trust-section {
            padding: 40px 20px;
            background-color: var(--warna-latar-putih);
            border-bottom: 1px solid var(--warna-garis);
            text-align: center;
        }

        .trust-title {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--warna-teks-setengah);
            margin-bottom: 25px;
            font-weight: 700;
        }

        .logo-grid {
            max-width: 1000px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 60px;
            flex-wrap: wrap;
        }

        .trust-logo {
            height: 35px;
            filter: grayscale(100%);
            opacity: 0.6;
            transition: all 0.3s ease;
        }

        .trust-logo:hover {
            filter: grayscale(0%);
            opacity: 1;
        }

        /* ------------------------------------
           KODE BARU: 5. FEATURES SECTION
        --------------------------------------- */
        .features-section {
            padding: 100px 20px;
            background-color: var(--warna-latar-terang);
        }

        .section-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 60px auto;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--warna-teks-gelap);
            margin-bottom: 15px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--warna-teks-setengah);
            line-height: 1.6;
        }

        .features-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background-color: var(--warna-latar-putih);
            padding: 40px 30px;
            border-radius: 12px;
            border: 1px solid var(--warna-garis);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 34, 255, 0.05);
            border-color: rgba(0, 34, 255, 0.3);
        }

        .feature-icon {
            font-size: 32px;
            margin-bottom: 20px;
            display: inline-block;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--warna-teks-gelap);
        }

        .feature-card p {
            font-size: 15px;
            color: var(--warna-teks-setengah);
            line-height: 1.6;
        }

        /* ------------------------------------
           6. LAYOUT MODAL FORM (POP-UP)
        --------------------------------------- */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(26, 26, 46, 0.6);
            backdrop-filter: blur(4px);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .modal-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .modal-content {
            background-color: #ffffff;
            width: 100%;
            max-width: 550px;
            border-radius: 14px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            position: relative;
            transform: scale(0.9);
            transition: transform 0.3s ease;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-overlay.active .modal-content {
            transform: scale(1);
        }

        .modal-header {
            margin-bottom: 25px;
        }

        .modal-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--warna-biru-logo);
            margin-bottom: 5px;
        }

        .modal-subtitle {
            font-size: 14px;
            color: var(--warna-teks-setengah);
        }

        .btn-close-modal {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            font-size: 24px;
            color: #A0A0B0;
            cursor: pointer;
        }

        .btn-close-modal:hover {
            color: var(--warna-teks-gelap);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--warna-teks-gelap);
        }

        .form-control {
            width: 100%;
            padding: 11px 15px;
            border: 1.5px solid #DCE1ED;
            border-radius: 6px;
            font-size: 14px;
            color: var(--warna-teks-gelap);
            outline: none;
            transition: border-color 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--warna-biru-logo);
        }

        .checkbox-row {
            display: flex;
            gap: 20px;
            margin-top: 5px;
        }

        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
        }

        .checkbox-input {
            width: 18px;
            height: 18px;
            accent-color: var(--warna-biru-logo);
        }

        .chained-select .form-group {
            width: 100%;
        }

        select.form-control {
            width: 100%;
        }

        .btn-submit-form {
            width: 100%;
            background-color: var(--warna-oranye-amber);
            color: #ffffff;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            margin-top: 10px;
            transition: background-color 0.3s ease;
        }

        .btn-submit-form:hover {
            background-color: var(--warna-oranye-hover);
        }

        /* --- Penyesuaian Khusus Modal Fitur Lab (Lebih Lebar) --- */
        .modal-content-lg {
            background-color: #ffffff;
            width: 100%;
            max-width: 900px;
            /* Diperlebar menjadi 900px agar muat 3 kolom grid */
            border-radius: 14px;
            padding: 35px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            position: relative;
            transform: scale(0.9);
            transition: transform 0.3s ease;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-overlay.active .modal-content-lg {
            transform: scale(1);
        }

        /* Layout Grid Fitur di Dalam Modal */
        .lab-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 25px;
        }

        .lab-card {
            background-color: var(--warna-latar-terang);
            padding: 25px 20px;
            border-radius: 10px;
            border: 1px solid var(--warna-garis);
            transition: all 0.3s ease;
        }

        .lab-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 34, 255, 0.04);
            border-color: rgba(0, 34, 255, 0.2);
        }

        .lab-icon-box {
            width: 45px;
            height: 45px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }

        .lab-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--warna-teks-gelap);
            margin-bottom: 8px;
        }

        .lab-card p {
            font-size: 13px;
            color: var(--warna-teks-setengah);
            line-height: 1.6;
        }

        .modal-footer-action {
            display: flex;
            justify-content: flex-end;
            margin-top: 30px;
            border-top: 1px solid var(--warna-garis);
            padding-top: 15px;
        }

        .btn-close-text {
            background-color: var(--warna-garis);
            color: var(--warna-teks-gelap);
            border: none;
            padding: 10px 24px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: background 0.3s;
        }

        .btn-close-text:hover {
            background-color: #CBD5E1;
        }

        /* ------------------------------------
           KODE BARU: 7. FOOTER SECTION
        --------------------------------------- */
        footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 40px 20px;
            text-align: center;
            font-size: 14px;
            border-top: 1px solid #1E293B;
        }

        footer p {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Responsive */
        @media (max-width: 968px) {
            .hero-section {
                flex-direction: column;
                text-align: center;
                padding-top: 120px;
                gap: 30px;
            }

            .hero-tagline {
                margin: 0 auto 35px auto;
            }

            .hero-cta-group {
                justify-content: center;
            }

            .hero-title {
                font-size: 34px;
            }

            .logo-grid {
                gap: 30px;
            }
        }

        /* ====================================
   STYLE HEADER RESPONSIF
==================================== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #ffffff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            z-index: 999;
            border-bottom: 1px solid #e2e8f0;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            /* Agar elemen bisa turun baris jika perlu */
        }

        .logo-container {
            display: flex;
            align-items: center;
            height: 42px;
        }

        .logo-img {
            height: 100%;
            width: auto;
            object-fit: contain;
        }

        /* Tombol Garis Tiga */
        .menu-toggle {
            display: none;
            /* Sembunyi di layar besar */
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .menu-toggle span {
            width: 26px;
            height: 3px;
            background-color: #0056b3;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Daftar Menu */
        .nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: #334155;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 4px;
            transition: all 0.25s ease;
        }

        .nav-link:hover {
            background-color: rgba(0, 86, 179, 0.08);
            color: #0056b3;
        }

        .nav-link.active {
            background-color: #2980b9;
            color: #ffffff;
        }

        /* ====================================
   ATURAN UNTUK LAYAR HP / PORTRAIT
==================================== */
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
                /* Tampilkan tombol garis tiga */
            }

            .nav-menu {
                width: 100%;
                flex-direction: column;
                gap: 12px;
                margin-top: 15px;
                padding: 15px 0;
                background-color: #f8fafc;
                border-radius: 6px;
                box-shadow: 0 3px 6px rgba(0, 0, 0, 0.05);
                display: none;
                /* Sembunyi secara default */
            }

            .nav-menu.show {
                display: flex;
                /* Tampilkan jika diklik */
            }

            .nav-link {
                width: 100%;
                text-align: center;
                padding: 10px;
            }

            /* Beri jarak pada konten utama agar tidak tertutup header */
            main {
                padding-top: 90px !important;
            }
        }