:root {
            --primary-red: #ff4655;
            --primary-black: #0f1923;
            --primary-dark-gray: #1a242d;
            --primary-light-gray: #ece8e1;
            --accent-cyan: #0bc4e2;
            --text-white: #ffffff;
            --text-gray: #b8b8b8;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --transition-speed: 0.3s;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            --max-content-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--primary-black);
            color: var(--text-gray);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        a:hover {
            color: var(--primary-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-content-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--primary-dark-gray);
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-red);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-white);
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo span {
            color: var(--primary-red);
        }
        .my-logo:hover {
            color: var(--accent-cyan);
        }
        .my-logo:hover span {
            color: var(--text-white);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: var(--spacing-xs);
        }
        .hamburger span {
            height: 3px;
            width: 25px;
            background-color: var(--text-white);
            margin: 3px 0;
            border-radius: 2px;
            transition: var(--transition-speed);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--text-white);
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: var(--primary-red);
            color: var(--text-white);
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            background-color: rgba(15, 25, 35, 0.8);
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: var(--spacing-xs);
            color: var(--text-gray);
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-dark-gray), #15202b);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input[type="search"] {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--primary-red);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            background-color: var(--primary-light-gray);
            color: var(--primary-black);
            font-size: 1rem;
        }
        .search-form button {
            padding: 0.8rem 1.5rem;
            background-color: var(--primary-red);
            color: white;
            border: none;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: bold;
            transition: background-color var(--transition-speed);
        }
        .search-form button:hover {
            background-color: #ff2e3f;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
        }
        main {
            background-color: var(--primary-dark-gray);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
        }
        article h1 {
            color: var(--text-white);
            font-size: 2.8rem;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
            border-left: 5px solid var(--primary-red);
            padding-left: var(--spacing-md);
        }
        article h2 {
            color: var(--accent-cyan);
            font-size: 2rem;
            margin: var(--spacing-lg) 0 var(--spacing-md);
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid rgba(255, 70, 85, 0.3);
        }
        article h3 {
            color: var(--text-white);
            font-size: 1.6rem;
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        article h4 {
            color: var(--text-gray);
            font-size: 1.3rem;
            margin: var(--spacing-sm) 0;
        }
        article p {
            margin-bottom: var(--spacing-md);
            text-align: justify;
        }
        article strong {
            color: var(--text-white);
            font-weight: 700;
        }
        article em {
            color: var(--accent-cyan);
            font-style: italic;
        }
        .content-img {
            width: 100%;
            margin: var(--spacing-md) auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .content-img img {
            transition: transform var(--transition-speed);
        }
        .content-img img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-gray);
            padding: var(--spacing-xs);
            background-color: rgba(0,0,0,0.5);
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .highlight-box {
            background: linear-gradient(90deg, rgba(255,70,85,0.1), rgba(11,196,226,0.1));
            border-left: 4px solid var(--primary-red);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        aside {
            position: sticky;
            top: calc(2rem + 80px);
            align-self: start;
        }
        .sidebar-widget {
            background-color: var(--primary-dark-gray);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-red);
            margin-bottom: var(--spacing-sm);
            padding-bottom: var(--spacing-xs);
            border-bottom: 1px solid;
        }
        .sidebar-links ul {
            list-style: none;
        }
        .sidebar-links li {
            margin-bottom: var(--spacing-xs);
            padding: var(--spacing-xs);
            border-radius: var(--border-radius);
            transition: background-color var(--transition-speed);
        }
        .sidebar-links li:hover {
            background-color: rgba(255,70,85,0.1);
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .user-interaction {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 2px solid var(--primary-red);
        }
        .interaction-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .interaction-form {
                grid-template-columns: 1fr 1fr;
            }
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: var(--spacing-xs);
            color: var(--text-white);
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border: 1px solid var(--text-gray);
            border-radius: var(--border-radius);
            background-color: var(--primary-light-gray);
            color: var(--primary-black);
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffc107;
        }
        .submit-btn {
            grid-column: 1 / -1;
            padding: 1rem;
            background: linear-gradient(90deg, var(--primary-red), #ff2e3f);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform var(--transition-speed);
        }
        .submit-btn:hover {
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: var(--primary-dark-gray);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
            border-top: 2px solid var(--primary-red);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .footer-col {
            flex: 1 1 250px;
        }
        .footer-col h4 {
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }
        friend-link {
            display: block;
            padding: var(--spacing-xs) 0;
            color: var(--accent-cyan);
        }
        friend-link::before {
            content: "🔗 ";
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .last-updated {
            color: var(--primary-red);
            font-weight: bold;
            margin-top: var(--spacing-sm);
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav ul {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background-color: var(--primary-dark-gray);
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 80px);
                padding: var(--spacing-md);
                transition: right var(--transition-speed);
                box-shadow: -5px 0 15px rgba(0,0,0,0.5);
                z-index: 999;
            }
            .main-nav.active ul {
                right: 0;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
        }