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

        body {
            background-color: #FDEEC7;
            font-family: 'Comic Sans MS', 'Chalkboard SE', 'Comic Neue', cursive;
            color: #252020;
            padding: 20px;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
            border: 4px dashed #252020;
            padding: 20px;
            background-color: #FDD596;
        }

        h1 {
            font-size: 2.5em;
            text-shadow: 3px 3px #F69FC2;
            margin-bottom: 10px;
        }

        .subtitle {
            font-size: 1.2em;
            font-style: italic;
        }

        nav {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
        }

        nav a {
            background: linear-gradient(135deg, #F69FC2, #A284BC);
            color: #252020;
            text-decoration: none;
            padding: 12px 24px;
            border: 3px solid #252020;
            border-radius: 0;
            font-weight: bold;
            box-shadow: 5px 5px 0 #252020;
            transition: all 0.2s;
        }

        nav a:hover {
            transform: translate(2px, 2px);
            box-shadow: 3px 3px 0 #252020;
        }

        .divider {
            text-align: center;
            margin: 40px 0 20px 0;
            font-size: 2em;
        }

        .category {
            margin-bottom: 50px;
            border: 4px solid #252020;
            padding: 20px;
            background-color: white;
        }

        .category-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px dotted #252020;
        }

        .category-icon {
            font-size: 2em;
        }

        .category h2 {
            font-size: 2em;
        }

        .iot { border-left: 10px solid #BCD871; }
        .fullstack { border-left: 10px solid #F69FC2; }
        .raspberry { border-left: 10px solid #A284BC; }
        .frontend { border-left: 10px solid #FDD596; }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }

        .project-card {
            border: 3px solid #252020;
            padding: 15px;
            background-color: #FDEEC7;
            position: relative;
        }

        .project-card h3 {
            font-size: 1.4em;
            margin-bottom: 10px;
            color: #252020;
        }

        .project-screenshot {
            width: 100%;
            height: 150px;
            background: repeating-linear-gradient(
                45deg,
                #e0e0e0,
                #e0e0e0 10px,
                #f0f0f0 10px,
                #f0f0f0 20px
            );
            border: 2px solid #252020;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9em;
            color: #666;
        }

        .project-description {
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .tech-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-bottom: 10px;
        }

        .tech-tag {
            background-color: #252020;
            color: #FDEEC7;
            padding: 3px 8px;
            font-size: 0.8em;
            border: 1px solid #252020;
        }

        .project-links {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }

        .project-links a {
            background-color: #BCD871;
            color: #252020;
            text-decoration: none;
            padding: 8px 15px;
            border: 2px solid #252020;
            font-weight: bold;
            font-size: 0.9em;
            transition: all 0.2s;
        }

        .project-links a:hover {
            background-color: #A284BC;
            color: white;
        }

        footer {
            text-align: center;
            margin-top: 50px;
            padding: 20px;
            border-top: 3px dashed #252020;
        }

        .back-to-top {
            display: inline-block;
            margin-top: 20px;
            background-color: #F69FC2;
            color: #252020;
            text-decoration: none;
            padding: 10px 20px;
            border: 3px solid #252020;
            font-weight: bold;
        }

        .back-to-top:hover {
            background-color: #A284BC;
            color: white;
        }

        @media (max-width: 768px) {
            .projects-grid {
                grid-template-columns: 1fr;
            }
        }