/* === BASE STYLES === */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0;
        }
        
        h1, h2, h3 {
            margin-bottom: 1rem;
        }
        
        section {
            padding: 2rem 0;
            scroll-margin-top: 80px; /* Tinggi navbar */
        }
        
        /* === HEADER STYLES === */
        header {
            background: linear-gradient(135deg, #2c3e50, #3498db);
            color: #fff;
            padding: 3rem 0;
            text-align: center;
            position: relative;
        }
        
        .profile-img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid #fff;
            margin-bottom: 1rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        
        /* === NAVIGATION === */
        nav {
            height: 60px;
            display: flex;
            justify-content: center;
            background: #34495e;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        nav a {
            color: #fff;
            text-decoration: none;
            margin: 0 15px;
            font-weight: bold;
            transition: all 0.3s ease;
            padding: 5px 10px;
            border-radius: 3px;
        }
        
        nav a:hover {
            color: #3498db;
        }
        
        /* === SECTION STYLES === */
        .about, .projects, .contact {
            background: #fff;
            margin: 20px 0;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        
        .about:hover, .projects:hover, .contact:hover {
            transform: translateY(-5px);
        }
        
        /* === PROJECTS SECTION === */
        .project {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        
        .project:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .project-links {
            margin-top: 10px;
        }
        
        .project-links a {
            display: inline-block;
            margin-right: 15px;
            color: #3498db;
            text-decoration: none;
            font-weight: bold;
        }
        
        .project-links a:hover {
            text-decoration: underline;
        }
        
        /* === SKILLS SECTION === */
        .skills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        
        .skill {
            background: #3498db;
            color: #fff;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .skill:hover {
            background: #2980b9;
            transform: scale(1.05);
        }
        
        /* === CONTACT SECTION === */
        .contact-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }
        
        .contact-card {
            flex: 1;
            min-width: 200px;
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .contact-card:hover {
            background: #e9ecef;
            transform: translateY(-3px);
        }
        
        .contact-card i {
            font-size: 2rem;
            color: #3498db;
            margin-bottom: 10px;
        }
        
        /* === FOOTER === */
        footer {
            text-align: center;
            padding: 20px;
            background: #2c3e50;
            color: #fff;
            margin-top: 40px;
        }
        
        /* === RESPONSIVE DESIGN === */
        @media (max-width: 768px) {
            nav {
                flex-direction: column;
                align-items: center;
            }
            
            nav a {
                margin: 5px 0;
                display: block;
                width: 100%;
                text-align: center;
            }
            
            .contact-methods {
                flex-direction: column;
            }
            
            .profile-img {
                width: 120px;
                height: 120px;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                width: 95%;
            }
            
            .about, .projects, .contact {
                padding: 20px;
            }
            
            header {
                padding: 2rem 0;
            }
        }