:root {
            --color-blue: #00a4e4;   /* Warna biru 'aksin' */
            --color-red: #e31837;    /* Warna merah 'personality' */
            --color-orange: #ff6600; /* Warna oranye tagline */
            --color-dark: #333333;
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--color-dark);
        }

        /* Navbar Styling */
        .navbar {
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }
        .navbar-brand img {
            height: 60px;
            transition: 0.3s;
        }
        .nav-link {
            font-weight: 500;
            color: var(--color-dark);
            margin: 0 10px;
            transition: 0.3s;
        }
        .nav-link:hover {
            color: var(--color-blue);
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--color-blue);
            color: white;
            border: none;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            transition: 0.3s;
        }
        .btn-primary-custom:hover {
            background-color: #0088bd;
            color: white;
            transform: translateY(-2px);
        }
        .btn-outline-custom {
            border: 2px solid var(--color-red);
            color: var(--color-red);
            font-weight: 600;
            padding: 8px 24px;
            border-radius: 50px;
            transition: 0.3s;
        }
        .btn-outline-custom:hover {
            background-color: var(--color-red);
            color: white;
        }

        /* Hero Section */
        .hero-section {
            padding: 100px 0 80px 0;
            background: linear-gradient(to right, rgba(0, 164, 228, 0.05), rgba(227, 24, 55, 0.05));
        }
        .hero-title {
            font-weight: 500;
            font-size: 3rem;
            line-height: 1.2;
        }
        .hero-title span.blue { color: var(--color-blue); }
        .hero-title span.red { color: var(--color-red); }

        /* Carousel Styling */
        .carousel-item img {
            height: 500px;
            object-fit: cover; /* Mencegah gambar terdistorsi */
            filter: brightness(0.7); /* Menggelapkan gambar agar teks di atasnya terbaca */
        }
        .carousel-caption {
            bottom: 40px;
        }
        
        /* Features/Metode Card */
        .metode-card {
            border: 1px solid #eee;
            border-radius: 15px;
            overflow: hidden;
            transition: 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        .metode-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .metode-img {
            height: 220px;
            object-fit: cover;
        }

        .feature-card {
            border: none;
            border-radius: 15px;
            transition: 0.3s;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            background-color: #fff;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--color-orange);
            margin-bottom: 15px;
        }

        /* Footer */
        .footer {
            background-color: #f8f9fa;
            padding: 50px 0 20px 0;
            border-top: 1px solid #eee;
        }
        /* Benefit Card Styling */
        .benefit-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        .benefit-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .benefit-img-wrapper {
            overflow: hidden;
            height: 200px;
        }
        .benefit-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .benefit-card:hover .benefit-img-wrapper img {
            transform: scale(1.1);
        }
        /* Bento Box Styling Khusus Keunggulan */
        .bento-item {
            background: #ffffff;
            border-radius: 20px;
            padding: 30px;
            height: 100%;
            border: 1px solid #eaeaea;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .bento-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,164,228,0.1); /* Glow biru Aksin */
            border-color: rgba(0,164,228,0.3);
        }
        .bento-icon {
            width: 60px;
            height: 60px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 20px;
        }
        .bg-icon-blue { background: rgba(0, 164, 228, 0.1); color: var(--color-blue); }
        .bg-icon-red { background: rgba(227, 24, 55, 0.1); color: var(--color-red); }
        .bg-icon-orange { background: rgba(255, 102, 0, 0.1); color: var(--color-orange); }
        
        /* Dark Theme Card khusus untuk memecah kejenuhan warna putih */
        .bento-dark-card {
            background: linear-gradient(135deg, var(--color-dark), #1a1a1a);
            border: none;
            color: white;
        }
        .bento-dark-card .bento-icon {
            background: rgba(255,255,255,0.15);
            color: #ffffff;
        }
        /* Reveal Card Styling (Apa yang diungkap) */
        .reveal-card {
            background: #ffffff;
            border-radius: 15px;
            padding: 30px 25px 25px 25px;
            height: 100%;
            border: 1px solid #f0f0f0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            position: relative;
            margin-top: 25px; /* Memberi ruang untuk icon mengambang */
            transition: all 0.3s ease;
        }
        .reveal-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
            border-color: var(--color-blue);
        }
        .reveal-icon-wrapper {
            position: absolute;
            top: -25px;
            left: 25px;
            width: 55px;
            height: 55px;
            background: linear-gradient(135deg, var(--color-blue), #0077a6);
            color: white;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 164, 228, 0.3);
            transition: all 0.3s ease;
        }
        /* Variasi warna gradient icon untuk memecah kebosanan visual */
        .reveal-card:hover .reveal-icon-wrapper {
            transform: scale(1.1) rotate(5deg);
        }
        .bg-gradient-red { background: linear-gradient(135deg, var(--color-red), #b3122b); box-shadow: 0 5px 15px rgba(227, 24, 55, 0.3); }
        .bg-gradient-orange { background: linear-gradient(135deg, var(--color-orange), #cc5200); box-shadow: 0 5px 15px rgba(255, 102, 0, 0.3); }
    
    /* Horizontal Scroll Carousel Styling */
        .horizontal-scroll-wrapper {
            display: flex;
            overflow-x: auto;
            gap: 24px;
            padding: 10px 10px 30px 10px; /* Padding bawah untuk ruang scrollbar */
            scroll-snap-type: x mandatory;
            scroll-behavior: smooth;
            /* Styling Scrollbar Firefox */
            scrollbar-width: thin;
            scrollbar-color: var(--color-blue) #e0e0e0;
        }
        /* Styling Scrollbar Webkit (Chrome, Safari, Edge) */
        .horizontal-scroll-wrapper::-webkit-scrollbar {
            height: 8px;
        }
        .horizontal-scroll-wrapper::-webkit-scrollbar-track {
            background: #e0e0e0;
            border-radius: 10px;
        }
        .horizontal-scroll-wrapper::-webkit-scrollbar-thumb {
            background-color: var(--color-blue);
            border-radius: 10px;
        }

        .scroll-card {
            flex: 0 0 auto;
            width: 85%; /* Lebar card di mobile */
            max-width: 320px; /* Batas maksimal lebar card di desktop */
            scroll-snap-align: center; /* Membuat card selalu pas di tengah saat di-scroll */
        }
        
        .report-card {
            border: none;
            border-radius: 20px;
            padding: 15px;
            background: #ffffff;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .report-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,164,228,0.15);
        }
        .carousel-img-wrapper {
            position: relative;
            cursor: pointer;
            border-radius: 12px;
            overflow: hidden;
        }
        .carousel-img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.4s ease;
        }
        .carousel-img-wrapper:hover img {
            transform: scale(1.05);
        }
        .zoom-overlay {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 164, 228, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
            color: white;
            font-size: 3rem;
            z-index: 2;
        }
        .carousel-img-wrapper:hover .zoom-overlay {
            opacity: 1;
        }
        /* YouTube-like Video UI Styling */
        .yt-ui-section {
            background-color: #0f0f0f; /* Warna latar belakang gelap YouTube */
            color: #ffffff;
            padding: 60px 0;
        }
        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* Rasio aspek 16:9 */
            height: 0;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            background-color: #000;
        }
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }
        .video-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-top: 15px;
            margin-bottom: 8px;
        }
        .channel-info {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .channel-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            background-color: #fff;
            padding: 2px;
        }
        .subscribe-btn {
            background-color: #fff;
            color: #0f0f0f;
            border-radius: 18px;
            padding: 6px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: 0.2s;
        }
        .subscribe-btn:hover {
            background-color: #e5e5e5;
        }
        /* Thumbnail Playlist Samping */
        .playlist-card {
            display: flex;
            gap: 12px;
            margin-bottom: 15px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .playlist-card:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .playlist-thumb {
            width: 168px;
            height: 94px; /* Rasio 16:9 miniatur */
            border-radius: 8px;
            object-fit: cover;
            position: relative;
        }
        .playlist-info h6 {
            font-size: 0.9rem;
            font-weight: 600;
            line-height: 1.3;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2; /* Potong teks menjadi max 2 baris (ellipsis) */
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .playlist-info p {
            font-size: 0.75rem;
            color: #aaaaaa;
            margin-bottom: 0;
        }
        /* Service Action Card Styling (Dark Theme CTA) */
        .service-action-card {
            display: flex;
            align-items: center;
            gap: 15px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px;
            border-radius: 12px;
            margin-bottom: 15px;
            text-decoration: none;
            color: #ffffff;
            transition: all 0.3s ease;
        }
        .service-action-card:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
            border-color: var(--color-blue);
            color: #ffffff;
        }
        .service-action-icon {
            background: linear-gradient(135deg, var(--color-blue), #0077a6);
            width: 45px;
            height: 45px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            color: white;
        }
        .service-action-icon.school { background: linear-gradient(135deg, var(--color-orange), #cc5200); }
        .service-action-icon.corp { background: linear-gradient(135deg, var(--color-red), #b3122b); }

        /* Infinite Logo Marquee Styling */
        .logo-marquee-section {
            background-color: #ffffff;
            padding: 50px 0;
            border-bottom: 1px solid #eaeaea;
            overflow: hidden;
        }
        .marquee-container {
            position: relative;
            width: 100%;
            overflow: hidden;
            display: flex;
        }
        .marquee-track {
            display: flex;
            align-items: center;
            gap: 60px; /* Jarak antar logo */
            width: max-content;
            animation: scrollMarquee 55s linear infinite; /* Kecepatan gulir, sesuaikan jika ingin lebih cepat/lambat */
        }
        .marquee-container:hover .marquee-track {
            animation-play-state: paused; /* Berhenti saat kursor diarahkan ke logo */
        }
        .logo-item {
            flex: 0 0 auto;
            width: 120px; /* Ukuran kotak logo kecil dan rapi */
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .logo-item img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            filter: grayscale(100%); /* Membuat logo monokrom agar terlihat seragam & profesional */
            opacity: 0.6;
            transition: all 0.3s ease;
        }
        .logo-item img:hover {
            filter: grayscale(0%); /* Kembali berwarna saat di-hover */
            opacity: 1;
        }

        /* Animasi Infinite Loop */
        @keyframes scrollMarquee {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(calc(-50% - 30px));
            }
        }
        /* Testimonial Section Styling */
        .testimonial-section {
            background-color: #fafbfc;
            padding: 80px 0;
        }
        .testimonial-scroll-container {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 10px 5px 30px 5px;
            scroll-snap-type: x mandatory;
            scroll-behavior: smooth;
            scrollbar-width: thin;
            scrollbar-color: var(--color-blue) #e0e0e0;
        }
        .testimonial-scroll-container::-webkit-scrollbar {
            height: 6px;
        }
        .testimonial-scroll-container::-webkit-scrollbar-track {
            background: #e0e0e0;
            border-radius: 10px;
        }
        .testimonial-scroll-container::-webkit-scrollbar-thumb {
            background-color: var(--color-blue);
            border-radius: 10px;
        }
        .testimonial-card {
            background: #ffffff;
            border: 1px solid #eaeaea;
            border-radius: 20px;
            padding: 30px;
            flex: 0 0 100%; /* Default 1 card penuh di mobile */
            max-width: 100%;
            scroll-snap-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,164,228,0.08);
            border-color: rgba(0,164,228,0.3);
        }
        
        /* Media Query untuk Tablet & Desktop (Merubah ukuran fleksibel card) */
        @media (min-width: 768px) {
            .testimonial-card {
                flex: 0 0 calc(50% - 12px); /* 2 card di tablet */
                max-width: calc(50% - 12px);
            }
        }
        @media (min-width: 992px) {
            .testimonial-card {
                flex: 0 0 calc(33.333% - 16px); /* 3 card rapi berdampingan di desktop */
                max-width: calc(33.333% - 16px);
            }
        }

        .client-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--color-blue);
        }
        .quote-icon {
            font-size: 2.5rem;
            color: rgba(0, 164, 228, 0.15);
            line-height: 1;
        }
        /* Gallery Section Styling */
        .gallery-img-card {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            height: 250px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .gallery-img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .gallery-img-card:hover img {
            transform: scale(1.1);
        }
        .gallery-overlay {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 20px 15px 15px 15px;
            color: white;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .gallery-img-card:hover .gallery-overlay {
            opacity: 1;
        }

        /* Contact Section Styling */
        .contact-info-box {
            background: #ffffff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border: 1px solid #eaeaea;
            height: 100%;
        }
        .contact-form-box {
            background: #ffffff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border: 1px solid #eaeaea;
            height: 100%;
        }
        .contact-icon-item {
            width: 45px;
            height: 45px;
            border-radius: 12px;
            background: rgba(0, 164, 228, 0.1);
            color: var(--color-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
        }
/* WhatsApp Floating Widget Styling */
        .whatsapp-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 15px;
            text-decoration: none;
        }
        .whatsapp-icon-container {
            width: 60px;
            height: 60px;
            background-color: #25D366;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 2rem;
            box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
            position: relative;
            transition: all 0.3s ease;
        }
        .whatsapp-widget:hover .whatsapp-icon-container {
            transform: scale(1.1);
            background-color: #128C7E;
        }
        /* Efek denyut (Pulse Animation) */
        .whatsapp-icon-container::before {
            content: "";
            position: absolute;
            z-index: -1;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 100%;
            height: 100%;
            background-color: inherit;
            border-radius: 50%;
            animation: pulse-animation 2s infinite;
        }
        @keyframes pulse-animation {
            0% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.8;
            }
            100% {
                transform: translate(-50%, -50%) scale(1.5);
                opacity: 0;
            }
        }
        /* Tooltip Teks (Opsional, sembunyi di mobile) */
        .whatsapp-text {
            background-color: white;
            color: #333;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            border: 1px solid #eaeaea;
            opacity: 0;
            visibility: hidden;
            transform: translateX(10px);
            transition: all 0.3s ease;
        }
        .whatsapp-widget:hover .whatsapp-text {
            opacity: 1;
            visibility: visible;
            transform: translateX(0);
        }
        /* Responsivitas untuk layar kecil */
        @media (max-width: 768px) {
            .whatsapp-widget {
                bottom: 20px;
                right: 20px;
            }
            .whatsapp-icon-container {
                width: 50px;
                height: 50px;
                font-size: 1.5rem;
            }
            .whatsapp-text {
                display: none; /* Sembunyikan teks di HP agar tidak menutupi konten */
            }
        }