:root {
    --primary-color: #7a7a7a;
    --primary-gradient: linear-gradient(to bottom, #7a7a7a 0, #3d3d3d 100%);
    --primary-dark: #614a27;
    --dark: #1a1a1a;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --success: #34c759;
    --warning: #ff9500;
    --danger: #ff3b30;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
    --primary-red: #D32F2F;
    --dark-red: #B71C1C;
    --link-blue: #1A73E8;
    --link-hover: #0D47A1;
    --anchor-blue: #1565C0;}
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    a {
        color: var(--link-blue);
        text-decoration: none;
        text-decoration-thickness: 1.5px;
        text-underline-offset: 3px;
        transition: var(--transition);
    }
    a:hover {
        text-decoration-thickness: 2px;
    }
    a.anchor {
        color: var(--anchor-blue);
        text-decoration: underline;
        text-decoration-thickness: 1.5px;
        text-underline-offset: 3px;
        font-weight: 500;
    }
    p a {
        color: var(--link-blue);
        font-weight: 500;
    }
    body {
        font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
        line-height: 1.6;
        color: var(--dark);
        background: linear-gradient(#ae0000, #320c0c 40%);
    }
    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        background: linear-gradient(#ae0000, #320c0c 40%);
    }
    header {
        background: linear-gradient(#ae0000, #320c0c 40%);
        box-shadow: var(--shadow-sm);
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    .header-container {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 20px;
        padding: 18px 0;
        background-color: #000;
    }
    .header-left {
        display: flex;
        align-items: center;
    }
    .header-center {
        display: flex;
        justify-content: center;
    }
    .header-right {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-left: auto;
    }
    .logo {
        font-size: 2rem;
        font-weight: 700;
        color: var(--primary-color);
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 0;
    }
    .logo img {
        height: 48px;
        width: auto;
        transition: transform 0.3s ease;
        filter: drop-shadow(0 1px 0.5px rgba(0, 0, 0, 0.4)) drop-shadow(0 2px 1px rgba(0, 0, 0, 0.3)) drop-shadow(0 4px 2px rgba(0, 0, 0, 0.2));
    }
    .logo:hover img {
        transform: scale(1.1);
    }
    .nav-links {
        display: flex;
        gap: 24px;
    }
    .nav-links a {
        font-weight: 500;
        color: #ffffff;
        transition: var(--transition);
        text-decoration: none;
    }
    .nav-links a:hover {
        color: var(--primary-color);
    }
    .auth-buttons {
        display: flex;
        gap: 12px;
        align-items: center;
    }
    .btn-login {
        padding: 10px 20px;
        border-radius: var(--radius-md);
        font-weight: 600;
        color: var(--dark);
        background-color: transparent;
        border: 2px solid var(--primary-color);
        transition: var(--transition);
    }
    .btn-login:hover {
        background-color: rgba(161, 140, 111, 0.1);
        color: var(--primary-dark);
    }
    .btn-daftar {
        padding: 10px 20px;
        border-radius: var(--radius-md);
        font-weight: 600;
        color: white;
        background: var(--primary-gradient);
        background-color: var(--primary-color);
        border: 2px solid var(--primary-color);
        transition: var(--transition);
    }
    .btn-daftar:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }
    .mobile-menu-button {
        display: none;
        background: none;
        border: none;
        color: #ffffff;
        cursor: pointer;
        padding: 10px;
    }
    .mobile-menu {
        display: none;
        flex-direction: column;
        background: var(--white);
        box-shadow: var(--shadow-md);
        padding: 20px;
    }
    .mobile-menu a {
        padding: 10px 0;
        text-decoration: none;
        color: var(--dark);
    }
    .mobile-menu.active {
        display: flex;
    }
    .breadcrumb {
        padding: 12px 0;
        font-size: 0.875rem;
        color: var(--gray);
    }
    .breadcrumb a {
        color: var(--gray);
        text-decoration: none;
    }
    .breadcrumb a:hover {
        color: var(--primary-color);
    }
    .breadcrumb-separator {
        margin: 0 8px;
        color: var(--gray);
    }
    .hero {
        background: linear-gradient(#ae0000, #320c0c 40%);
        padding: 0px 0;
        position: relative;
        overflow: hidden;
    }
    .hero-container {
        display: flex;
        align-items: center;
        gap: 60px;
        position: relative;
        z-index: 2;
    }
    .hero-content {
        flex: 1;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        background-color: var(--primary-red);
        color: white;
        padding: 6px 12px;
        border-radius: 20px;
        font-size: 0.875rem;
        font-weight: 600;
        margin-bottom: 16px;
        gap: 6px;
    }
    .hero-title {
        font-size: 2.75rem;
        font-weight: 700;line-height: 1.2;
        margin-bottom: 16px;
        color: #ffffff;
    }
    .hero-subtitle {
        font-size: 1.25rem;
        color: var(--gray);
        margin-bottom: 24px;
        max-width: 500px;
    }
    .price-container {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 24px;
    }
    .current-price {
        font-size: 2rem;
        font-weight: 700;
        color: var(--dark);
    }
    .original-price {
        text-decoration: line-through;
        color: var(--gray);
        font-size: 1.25rem;
    }
    .discount-badge {
        background-color: var(--dark-red);
        color: white;
        padding: 4px 10px;
        border-radius: var(--radius-sm);
        font-size: 0.875rem;
        font-weight: 600;
    }
    .cta-buttons {
        display: flex;
        gap: 16px;
        margin-bottom: 32px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 28px;
        border-radius: var(--radius-md);
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
        gap: 8px;
    }
    .btn-primary {
        background: var(--primary-gradient);
        background-color: var(--primary-color);
        color: var(--white);
        border: 2px solid var(--primary-color);
    }
    .btn-primary:hover {
        background: var(--primary-dark);transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    .btn-outline {
        background-color: #181818;
        color: #fff;
        border: 2px solid var(--primary-color);
    }
    .btn-outline:hover {
        background-color: rgba(161, 140, 111, 0.08);
    }
    .benefits-list {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 32px;
    }
    .benefit-item {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9375rem;
    }
    .benefit-icon {
        color: var(--success);
        font-size: 1.25rem;
    }
    .hero-image {
        flex: 1;
        position: relative;
        min-height: 400px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-image img {
        max-width: 115%;
        height: auto;
        transition: var(--transition);
        filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    }
    .hero-image:hover img {
        transform: scale(1.05);
    }
    .section {
        padding: 80px 0;
    }
    .section-title {
        text-align: center;
        margin-bottom: 48px;
    }
    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
    .feature-card {
        background-color: var(--white);
        border-radius: var(--radius-md);
        padding: 32px;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }
    .feature-icon {
        font-size: 2.5rem;
        color: var(--primary-color);
        margin-bottom: 20px;
    }
    .feature-card h3 {
        font-size: 1.25rem;
        margin-bottom: 12px;
    }
    .feature-card p {
        color: var(--gray);
        line-height: 1.7;
    }
    .article-content {
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.8;
    }
    .article-content h3 {
        font-size: 1.5rem;
        margin: 30px 0 15px;
        color: #fffb00;
        font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }
    .article-content ul, .article-content ol {
        margin: 20px 0;
        padding-left: 20px;
    }
    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }
    .article-content table, .article-content th, .article-content td {
        border: 1px solid #ddd;
    }
    .article-content th, .article-content td {
        padding: 12px;
        text-align: left;
    }
    .article-content th {
        background-color: var(--light-gray);
    }
    .article-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
    .article-card {
        background: white;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-md);
    }
    .article-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }
    .article-card h3 {
        padding: 15px 20px 5px;
        font-size: 1.1rem;
    }
    .article-card h3 a {
        color: var(--dark);
        text-decoration: none;
    }
    .article-card h3 a:hover {
        color: var(--primary-color);
    }
    .article-card p {
        padding: 0 20px 20px;
        color: var(--gray);
        font-size: 0.9rem;
    }
    .reviews-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 24px;
    }
    .review-card {
        background-color: var(--white);
        border-radius: var(--radius-md);
        padding: 24px;
        box-shadow: var(--shadow-sm);
    }
    .review-header {
        display: flex;
        align-items: center;
        margin-bottom: 16px;
    }
    .review-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--primary-gradient);
        background-color: var(--primary-color);
        color: var(--white);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        margin-right: 16px;
        flex-shrink: 0;
    }
    .review-author {
        font-weight: 600;
    }
    .review-rating {
        color: var(--warning);
        margin-top: 4px;
        font-size: 0.875rem;
    }
    .review-date {
        color: var(--gray);
        font-size: 0.8125rem;
    }
    .review-content {
        font-style: italic;
        color: var(--dark);
        line-height: 1.7;
    }
    .review-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 16px;
        font-size: 0.8125rem;
        color: var(--gray);
    }
    .warranty-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
    }
    .warranty-card {
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-md);
        padding: 32px;
        transition: var(--transition);
    }
    .warranty-card:hover {
        transform: translateY(-5px);
    }
    .warranty-card h3 {
        font-size: 1.25rem;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .faq-section {
        background-color: var(--light-gray);
        padding: 0px 0;
    }
    .faq-container {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        margin-bottom: 16px;
        border-radius: var(--radius-md);
        overflow: hidden;
        background-color: var(--white);
        box-shadow: var(--shadow-sm);
    }
    .faq-question {
        padding: 20px;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: var(--transition);
    }
    .faq-question:hover {
        color: var(--primary-color);
    }
    .faq-answer {
        padding: 0 20px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .faq-answer p {
        padding-bottom: 20px;
        color: var(--gray);
        line-height: 1.7;
    }
    .faq-item.active .faq-answer {
        max-height: 500px;
    }
    .chat-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: var(--primary-gradient);
        background-color: var(--primary-color);
        color: var(--white);
        box-shadow: var(--shadow-lg);
        cursor: pointer;
        transition: var(--transition);
        border: none;
    }
    .chat-btn:hover {
        background: var(--primary-dark);
        transform: scale(1.1);
    }
    .chat-icon {
        font-size: 1.5rem;
    }
    footer {
        padding: 5px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 40px;
        margin-bottom: 60px;
    }
    .footer-col h3 {
        font-size: 1.125rem;
        margin-bottom: 20px;
        color: var(--white);
    }
    .footer-col p, .footer-col a {
        color: rgba(255, 255, 255, 0.7);
        transition: var(--transition);
        line-height: 1.7;
    }
    .footer-col a:hover {
        color: var(--white);
    }
    .footer-links {
        list-style: none;
    }
    .footer-links li {
        margin-bottom: 12px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 24px 0;
        text-align: center;
    }
    .copyright {
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.875rem;
    }
    .social-links {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 20px;
    }
    .social-link {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0.1);
        color: var(--white);
        transition: var(--transition);
    }
    .social-link:hover {
        background: var(--primary-gradient);
        background-color: var(--primary-color);
        transform: translateY(-3px);
    }
    .mobile-bottom-bar {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: #c5c5c5;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
        padding: 8px 0;
    }
    .mobile-bottom-bar .bottom-bar-content {
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
    .mobile-bottom-bar .bottom-bar-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-decoration: none;
        color: #fff;
        font-size: 1rem;
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
    }
    .mobile-bottom-bar .bottom-bar-btn:hover {
        background: rgba(161, 140, 111, 0.1);
        color: var(--primary-color);
    }
    .mobile-bottom-bar .bottom-bar-btn.active {
        color: var(--primary-color);
    }
    .mobile-bottom-bar .bottom-bar-icon {
        font-size: 1.2rem;
        margin-bottom: 4px;
    }
    .mobile-bottom-bar .btn-promo {
        background: var(--primary-gradient);
        background-color: var(--primary-color);
        color: white;
        padding: 8px 16px;
        border-radius: 20px;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .mobile-bottom-bar .btn-promo:hover {
        background: var(--primary-dark);
    }
    @media (max-width: 992px)
    {
        .hero-container {
            flex-direction: column;
            gap: 40px;
        }
        .hero-content {
            text-align: center;
        }
        .hero-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .price-container, .cta-buttons, .benefits-list {
            justify-content: center;
        }
        .hero-image {
            min-height: 300px;
        }
    }
    @media (max-width: 768px) {
        .header-container {
            grid-template-columns: auto 1fr auto;
            gap: 10px;
        }
        .header-center {
            display: none;
        }
        .mobile-menu-button {
            display: block;
        }
        .auth-buttons {
            display: none;
        }
        .hero {
            padding: 0px 0;
        }
        .hero-title {
            font-size: 2rem;
        }
        .hero-subtitle {
            font-size: 1.1rem;
        }
        .current-price {
            font-size: 1.75rem;
        }
        .original-price {
            font-size: 1.1rem;
        }
        .cta-buttons {
            flex-direction: column;
        }
        .section {
            padding: 0px 0;
        }
        .mobile-bottom-bar {
            display: block;
        }
        body {
            padding-bottom: 10px;
        }
        .nav-links {
            display: none;
        }
        .logo {
            font-size: 1.5rem;
        }
        .logo img {
            height: 40px;
        }
    }
    @keyframes pulse {0% {transform: scale(1);}50% {transform: scale(1.05);}100% {transform: scale(1);}}.logo img {animation: pulse 3s infinite;}