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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: Arial, Helvetica, sans-serif;
            color: #222;
            background: #f8fafc;
            line-height: 1.6;
        }

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

        .container {
            width: 90%;
            max-width: 1200px;
            margin: auto;
        }

        /* NAVBAR */

        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
        }

        .nav-container {
            min-height: 75px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 25px;
            font-weight: 800;
            color: #123b63;
        }

        .logo span {
            color: #e69a23;
        }

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

        .nav-menu a {
            font-size: 15px;
            font-weight: 600;
            color: #333;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: #e69a23;
        }

        .dropdown {
            position: relative;
        }

        .dropdown-menu {
            position: absolute;
            top: 30px;
            left: 0;
            min-width: 200px;
            background: white;
            box-shadow: 0 8px 25px rgba(0, 0, 0, .12);
            border-radius: 8px;
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transition: .3s;
            list-style: none;
        }

        .dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
        }

        .dropdown-menu a {
            display: block;
            padding: 9px 16px;
        }

        .dropdown-menu a:hover {
            background: #f5f5f5;
        }

        .menu-toggle {
            display: none;
            font-size: 28px;
            cursor: pointer;
        }

        /* HEADER */

        .page-header {
            background:
                linear-gradient(rgba(9, 48, 82, .85), rgba(9, 48, 82, .85)),
                url("https://images.unsplash.com/photo-1521737711867-e3b97375f902?auto=format&fit=crop&w=1600&q=80") center/cover;

            color: white;
            padding: 70px 0;
        }

        .page-header h1 {
            font-size: 40px;
            max-width: 800px;
            margin-bottom: 10px;
        }

        .category-label {
            display: inline-block;
            padding: 6px 14px;
            background: #e69a23;
            border-radius: 20px;
            font-size: 13px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        /* DETAIL */

        .detail-section {
            padding: 70px 0;
        }

        .detail-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 35px;
        }

        .detail-main,
        .detail-sidebar {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 7px 25px rgba(0, 0, 0, .06);
        }

        .detail-image {
            width: 100%;
            height: 350px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 30px;
        }

        .detail-main h2 {
            color: #123b63;
            margin-bottom: 15px;
            font-size: 27px;
        }

        .detail-main h3 {
            color: #123b63;
            margin-top: 30px;
            margin-bottom: 12px;
            font-size: 21px;
        }

        .detail-main p {
            color: #666;
            margin-bottom: 12px;
        }

        .benefit-list {
            padding-left: 20px;
        }

        .benefit-list li {
            margin-bottom: 10px;
            color: #555;
        }

        .benefit-list li::marker {
            color: #e69a23;
        }

        /* SIDEBAR */

        .detail-sidebar {
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        .detail-sidebar h3 {
            color: #123b63;
            margin-bottom: 20px;
            font-size: 23px;
        }

        .price-box {
            background: #f3f7fa;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
        }

        .price-label {
            color: #777;
            font-size: 13px;
        }

        .detail-price {
            color: #e69a23;
            font-size: 27px;
            font-weight: 800;
            margin-top: 4px;
        }

        .info-item {
            border-bottom: 1px solid #eee;
            padding: 13px 0;
        }

        .info-item strong {
            display: block;
            color: #123b63;
            margin-bottom: 3px;
        }

        .info-item span {
            color: #777;
            font-size: 14px;
        }

        .btn {
            display: block;
            text-align: center;
            background: #123b63;
            color: white;
            padding: 13px 20px;
            border-radius: 6px;
            font-weight: bold;
            margin-top: 20px;
            transition: .3s;
        }

        .btn:hover {
            background: #e69a23;
        }

        .btn-outline {
            display: block;
            text-align: center;
            border: 2px solid #123b63;
            color: #123b63;
            padding: 11px 20px;
            border-radius: 6px;
            font-weight: bold;
            margin-top: 12px;
        }

        .btn-outline:hover {
            background: #123b63;
            color: white;
        }

        /* GET */

        .get-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }

        .get-item {
            padding: 18px;
            border: 1px solid #eee;
            border-radius: 8px;
            background: #fafafa;
        }

        .get-item strong {
            color: #123b63;
        }

        /* FOOTER */

        footer {
            background: #092c4c;
            color: white;
            padding: 50px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 35px;
        }

        .footer-logo {
            font-size: 25px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .footer-logo span {
            color: #e69a23;
        }

        footer p {
            color: #c9d4df;
            font-size: 14px;
        }

        footer h4 {
            margin-bottom: 15px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 8px;
            color: #c9d4df;
            font-size: 14px;
        }

        .footer-links li:hover {
            color: #e69a23;
        }

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            text-align: center;
            color: #aebdca;
            font-size: 13px;
        }

        @media(max-width: 800px) {

            .menu-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 75px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
            }

            .nav-menu.active {
                display: flex;
            }

            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                padding-left: 15px;
            }

            .detail-layout {
                grid-template-columns: 1fr;
            }

            .detail-sidebar {
                position: static;
            }

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

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

            .page-header h1 {
                font-size: 30px;
            }

        }