@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

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

        /* ===== THEME SYSTEM (nur CSS!) ===== */
        
        /* Radio Buttons verstecken */
        .theme-radio {
            display: none;
        }

        html {
            font-size: 10px;
        }

        /* Standard: Dark Mode Farben */
        body {
            font-family: Inter, sans-serif;
            --primary-color: #ff7613;
            --bg-color: #0d1b2a;
            --container-bg: #1b263b;
            --main-text-color: white;
            --text-color: #a9b1bb;
            background-color: var(--bg-color);
            color: var(--main-text-color);
            transition: background-color 0.3s ease, color 0.3s ease;
            min-height: 100vh;
        }

        /* Light Mode: Body Hintergrund ändern */
        #light-mode:checked ~ .container {
            --bg-color: #e8edf2;
            --container-bg: #ffffff;
            --main-text-color: #1a202c;
            --text-color: #5a6c7d;
        }

        /* WICHTIG: Body Hintergrund separat setzen für Light Mode */
        body:has(#light-mode:checked) {
            background-color: #e8edf2;
        }

        /* Allgemeiner Stil*/
        img {
            width: 100%;
        }

        a {
            text-decoration: none;
            color: var(--main-text-color);
        }

        .titel {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 2rem;
            text-transform: uppercase;
        }

        .Schul-untertitel {
            font-size: 1.5rem;
            color: var(--text-color);
            font-weight: 300;
        }

        .Schul-untertitel:hover {
          color: var(--primary-color);
        }

        .untertitel {
            font-size: 1.6rem;
            color: var(--main-text-color);
            font-weight: 500;
            margin: 0.8rem 0;
        }

        .inhalt_titel {
            font-size: 1.4rem;
            color: var(--text-color);
            font-weight: 400;
        }

        /*Profil Hintergrund*/
        .container {
            max-width: 1000px;
            width: 90%;
            margin: 0 auto;
            display: grid;
            padding: 5rem;
            background: var(--container-bg);
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            transition: background-color 0.3s ease;
        }

        /*Mobile Ansicht*/
        @media only screen and (max-width: 768px) {
            .container {
                width: 70%;
                grid-template-columns: 1fr;
                padding: 3rem;
                gap: 7rem;
            }
        }

        .profil {
            grid-column: 1 / -1;
            margin-bottom: 2rem;
        }

        .gruppe-1,
        .gruppe-2 {
            display: flex;
            flex-direction: column;
            gap: 5rem;
        }

        .gruppe-3 {
            max-width: 700px;
            width: 100%;
            margin: 0 auto;
            grid-column: 1/-1;
            display: flex;
            flex-direction: row;
            gap: 5rem;
            justify-content: center;
        }

        .gruppe-3>div {
            flex: 1;
        }

        @media only screen and (max-width:768px) {
            .profil {
                margin-bottom: 0;
            }

            .gruppe-3 {
                flex-direction: column;
                align-items: center;
            }
        }

        /* profil */
        .profil_container {
            display: flex;
            gap: 4rem;
        }

        .profil_bild {
            max-width: 250px;
            
        }

        .profil_bild img {
            transition: transform 0.3s ease;
            border-radius: 50%;
        }

        .profil_bild img:hover {
            transform: scale(1.05);
        }

        .vorname {
            color: var(--main-text-color);
            font-weight: 200;
            font-size: clamp(2rem, 8vw, 4rem);
            text-transform: uppercase;
            display: block;
            margin-bottom: -0.8rem;
        }

        .nachname {
            color: var(--primary-color);
            font-weight: 700;
            font-size: clamp(2.5rem, 15vw, 7rem);
            text-transform: uppercase;
            display: block;
        }

        .profil_titel {
            font-size: 1.5rem;
            font-weight: 400;
            text-transform: uppercase;
            color: var(--main-text-color);
        }

        .beschreibung {
            margin-top: 1rem;
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--text-color);
        }

        /* ===== THEME BUTTONS ===== */
        .theme-button {
            display: inline-block;
            text-decoration: none;
            font-size: 1.4rem;
            margin-top: 1rem;
            margin-right: 1rem;
            padding: 0.8rem 1.5rem;
            border: 2px solid var(--primary-color);
            background: transparent;
            color: var(--main-text-color);
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: Inter, sans-serif;
            border-radius: 5px;
            text-align: center;
        }

        .theme-button:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }

        /* Dark Mode Button aktiv wenn #dark-mode checked */
        #dark-mode:checked ~ .container label[for="dark-mode"] {
            background-color: var(--primary-color);
            color: white;
        }

        /* Light Mode Button aktiv wenn #light-mode checked */
        #light-mode:checked ~ .container label[for="light-mode"] {
            background-color: var(--primary-color);
            color: white;
        }

        @media only screen and (max-width: 768px) {
            .profil_container {
                flex-direction: column;
            }
        }

        /*Erfahrungen*/
        .skill_liste>*:hover {
            color: var(--primary-color);
        }

        .skill_liste {
            margin-top: 1rem;
            margin-left: 2rem;
            line-height: 2;
        }

        /*Hardware*/
        .hardware_inhalt {
            margin-top: 2rem;
        }

        .hardware_name {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--main-text-color);
        }

        /*Schul-Projekte*/
        .projekt_inhalt {
            margin-top: 2rem;
        }

        /*Zertifikation*/
        .zert_inhalt {
            margin-top: 2.5rem;
        }

        /*Private-Projekte*/
        .privat_inhalt {
            margin-top: 2rem;
        }

        /*Interessen*/
        .hobby_zeug {
            margin-top: 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .hobby_zeug>div:hover {
            color: var(--primary-color);
        }

        .hobby_inhalt {
            font-size: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            color: var(--text-color);
        }

        .hobby_inhalt svg {
            width: 2rem;
        }

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

        /*Kontakt*/
        .k_beschreibung {
            margin-top: 1rem;
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--text-color);
        }

        .k_beschreibung:hover {
            color: var(--primary-color);
        }

        /*Social*/
        .soziale {
            text-align: center;
        }

        .sozial_inhalte {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .s_einzeln {
            margin-top: 2rem;
            font-size: 1.5rem;
            display: flex;
            gap: .5rem;
            align-items: center;
            justify-content: center;
            color: var(--text-color);
        }

        .s_einzeln:hover {
            color: var(--primary-color);
        }

        .s_einzeln svg {
            width: 2rem;
        }

        hr {
            grid-column: 1/-1;
            width: 80%;
            margin: 0 auto;
            margin-top: 5rem;
            margin-bottom: 1rem;
            border: none;
            border-top: 2px solid rgba(128, 128, 128, 0.63);
        }

        @media only screen and (max-width:768px) {
            hr {
                margin: 0 auto;
            }
        }