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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
            color: #e8e8e8;
            line-height: 1.8;
            min-height: 100vh;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 2px solid #ffd700;
        }

        .logo {
            font-size: 1.5rem;
            color: #ffd700;
            text-decoration: none;
            font-weight: bold;
            letter-spacing: 2px;
        }

        .breadcrumb {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #888;
        }

        .breadcrumb a {
            color: #ffd700;
            text-decoration: none;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        article {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 20px;
            padding: 50px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        h1 {
            font-size: 2.4rem;
            color: #ffd700;
            margin-bottom: 20px;
            line-height: 1.3;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .meta {
            color: #888;
            margin-bottom: 30px;
            font-size: 0.95rem;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .intro {
            font-size: 1.15rem;
            color: #ccc;
            margin-bottom: 40px;
            padding: 25px;
            background: rgba(255, 215, 0, 0.08);
            border-left: 4px solid #ffd700;
            border-radius: 0 10px 10px 0;
        }

        h2 {
            font-size: 1.6rem;
            color: #ff6b6b;
            margin: 45px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 107, 107, 0.3);
        }

        h2.solution {
            color: #4ecdc4;
            border-bottom-color: rgba(78, 205, 196, 0.3);
        }

        p {
            margin-bottom: 20px;
            text-align: justify;
        }

        .error-number {
            display: inline-block;
            background: #ff6b6b;
            color: #1a1a2e;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            text-align: center;
            line-height: 30px;
            font-weight: bold;
            margin-right: 10px;
        }

        .highlight-box {
            background: rgba(255, 107, 107, 0.1);
            border: 1px solid rgba(255, 107, 107, 0.3);
            border-radius: 10px;
            padding: 20px;
            margin: 25px 0;
        }

        .highlight-box.tip {
            background: rgba(78, 205, 196, 0.1);
            border-color: rgba(78, 205, 196, 0.3);
        }

        .highlight-box h4 {
            color: #ffd700;
            margin-bottom: 10px;
        }

        ul {
            margin: 20px 0;
            padding-left: 25px;
        }

        li {
            margin-bottom: 12px;
            position: relative;
        }

        li::marker {
            color: #ffd700;
        }

        .solution-section {
            background: linear-gradient(135deg, rgba(78, 205, 196, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid rgba(78, 205, 196, 0.3);
        }

        .solution-section h2 {
            margin-top: 0;
        }

        .reviews-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            color: #ffd700;
            margin: 10px 0;
        }

        .stars {
            color: #ffd700;
        }

        .checklist {
            background: rgba(255, 215, 0, 0.08);
            border-radius: 15px;
            padding: 30px;
            margin: 30px 0;
        }

        .checklist h3 {
            color: #ffd700;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }

        .checklist li {
            list-style: none;
            padding-left: 30px;
            position: relative;
            margin-bottom: 15px;
        }

        .checklist li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #4ecdc4;
            font-weight: bold;
        }

        .cta-section {
            text-align: center;
            margin-top: 50px;
            padding: 40px;
            background: linear-gradient(135deg, #ffd700 0%, #ffed4a 100%);
            border-radius: 20px;
            color: #1a1a2e;
        }

        .cta-section h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .cta-section p {
            text-align: center;
            margin-bottom: 25px;
            color: #333;
        }

        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #25d366;
            color: white;
            padding: 18px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: bold;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
        }

        .whatsapp-icon {
            width: 28px;
            height: 28px;
        }

        footer {
            text-align: center;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: #666;
        }

        footer a {
            color: #ffd700;
            text-decoration: none;
        }

        @media (max-width: 600px) {
            article {
                padding: 25px;
            }

            h1 {
                font-size: 1.8rem;
            }

            h2 {
                font-size: 1.3rem;
            }

            .meta {
                flex-direction: column;
                gap: 10px;
            }
        }
    
        /* ===== NAVBAR ===== */
        .site-nav {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(11, 15, 25, 0.95);
            border-bottom: 1px solid rgba(234, 191, 17, 0.2);
            backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
        }
        .site-nav-inner {
            max-width: 900px; margin: 0 auto; padding: 12px 20px;
            display: flex; align-items: center; justify-content: space-between;
        }
        .site-nav .brand-link {
            display: flex; align-items: center; gap: 10px;
            text-decoration: none; color: #ecf2ff;
        }
        .site-nav .brand-link img { height: 36px; width: auto; border-radius: 6px; }
        .site-nav .brand-link span { font-weight: 700; font-size: 1rem; }
        .nav-right { display: flex; align-items: center; gap: 10px; }
        .nav-wa {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 16px; border-radius: 999px;
            background: linear-gradient(45deg, #25D366, #128C7E);
            color: #fff; font-weight: 700; font-size: 0.85rem;
            text-decoration: none; transition: transform 0.2s;
        }
        .nav-wa:hover { transform: translateY(-1px); }
        .nav-menu-btn {
            display: flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.14);
            background: transparent; cursor: pointer; color: #fff;
        }
        .nav-menu-btn:hover { background: rgba(255,255,255,0.06); }
        .nav-dropdown {
            display: none; background: rgba(11, 15, 25, 0.98);
            border-bottom: 1px solid rgba(234, 191, 17, 0.2); padding: 8px 0;
        }
        .nav-dropdown.open { display: block; }
        .nav-dropdown a {
            display: block; padding: 12px 24px; color: #ecf2ff;
            text-decoration: none; font-weight: 500; transition: background 0.2s;
            max-width: 900px; margin: 0 auto;
        }
        .nav-dropdown a:hover { background: rgba(255,255,255,0.06); }
        @media (max-width: 600px) {
            .nav-wa span { display: none; }
            .nav-wa { padding: 8px 12px; }
        }