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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px;
            border-radius: 20px;
            margin-bottom: 30px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            text-align: center;
        }

        h1 {
            font-size: 3em;
            color: #667eea;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .title {
            font-size: 1.5em;
            color: #764ba2;
            margin-bottom: 30px;
            font-weight: 500;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #555;
            font-size: 0.95em;
        }

        .contact-item svg {
            width: 20px;
            height: 20px;
            fill: #667eea;
        }

        .main-content {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 30px;
            margin-bottom: 30px;
            position: relative;
        }

        .main-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
        }

        .sidebar, .content-area {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        h2 {
            color: #667eea;
            margin-bottom: 20px;
            font-size: 1.8em;
            border-bottom: 3px solid #764ba2;
            padding-bottom: 10px;
        }

        .profile-text {
            color: #555;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .skills-list {
            list-style: none;
        }

        .skills-list li {
            padding: 12px;
            margin-bottom: 10px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 8px;
            transition: transform 0.3s ease;
            cursor: pointer;
            position: relative;
        }

        .skills-list li:hover {
            transform: translateX(10px);
        }

        .skills-list:hover li:not(:hover) {
            opacity: 0.5;
        }

        .languages-list {
            list-style: none;
        }

        .languages-list li {
            padding: 10px;
            margin-bottom: 8px;
            color: #555;
            border-left: 4px solid #667eea;
            padding-left: 15px;
        }

        .experience-item {
            margin-bottom: 30px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
            border-left: 5px solid #764ba2;
            transition: all 0.3s ease;
        }

        .experience-item.hidden {
            display: none;
        }

        section h2 {
            transition: opacity 0.3s ease;
        }

        section.experience-section.hidden {
            display: none;
        }

        .experience-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .skill-catalog {
            display: none;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .skill-catalog.active {
            display: grid !important;
            opacity: 1;
            animation: fadeInCatalog 0.4s ease;
        }

        @keyframes fadeInCatalog {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .catalog-card {
            background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-left: 4px solid #667eea;
            transition: all 0.3s ease;
        }

        .catalog-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        }

        .catalog-card h3 {
            color: #667eea;
            font-size: 1.1em;
            margin-bottom: 10px;
        }

        .catalog-card p {
            color: #666;
            font-size: 0.9em;
            line-height: 1.6;
        }

        .catalog-card ul {
            margin-top: 10px;
            margin-left: 15px;
            color: #666;
            font-size: 0.85em;
        }

        .catalog-card ul li {
            margin-bottom: 5px;
        }

        .skill-catalog[data-skill="abap"] {
            display: none;
        }

        .skills-list li[data-skill="abap"]:hover ~ .content-area .skill-catalog[data-skill="abap"],
        .sidebar:has(.skills-list li[data-skill="abap"]:hover) ~ .content-area .skill-catalog[data-skill="abap"] {
            display: grid !important;
        }

        .skills-list li[data-skill="rap"]:hover ~ .content-area .skill-catalog[data-skill="rap"],
        .sidebar:has(.skills-list li[data-skill="rap"]:hover) ~ .content-area .skill-catalog[data-skill="rap"] {
            display: grid !important;
        }

        .skills-list li[data-skill="odata"]:hover ~ .content-area .skill-catalog[data-skill="odata"],
        .sidebar:has(.skills-list li[data-skill="odata"]:hover) ~ .content-area .skill-catalog[data-skill="odata"] {
            display: grid !important;
        }

        .skills-list li[data-skill="alv"]:hover ~ .content-area .skill-catalog[data-skill="alv"],
        .sidebar:has(.skills-list li[data-skill="alv"]:hover) ~ .content-area .skill-catalog[data-skill="alv"] {
            display: grid !important;
        }

        .skills-list li[data-skill="forms"]:hover ~ .content-area .skill-catalog[data-skill="forms"],
        .sidebar:has(.skills-list li[data-skill="forms"]:hover) ~ .content-area .skill-catalog[data-skill="forms"] {
            display: grid !important;
        }

        .company-name {
            font-size: 1.3em;
            color: #667eea;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .date {
            color: #888;
            font-size: 0.9em;
            margin-bottom: 10px;
        }

        .experience-item ul {
            margin-left: 20px;
            color: #555;
        }

        .experience-item li {
            margin-bottom: 5px;
        }

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

            h1 {
                font-size: 2em;
            }

            .contact-info {
                flex-direction: column;
                align-items: center;
            }

            header, .sidebar, .content-area {
                padding: 25px;
            }
        }

        .cta-button {
            display: inline-block;
            padding: 15px 40px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            margin-top: 20px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            font-weight: 600;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
        }

        footer {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 30px 40px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            margin-top: 30px;
        }

        footer .contact-info {
            justify-content: center;
        }
.visitor-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

.counter-icon svg {
    filter: drop-shadow(0 2px 4px rgba(102, 126, 234, 0.3));
}

.counter-content {
    text-align: left;
}

.counter-label {
    font-size: 0.9em;
    color: #888;
    margin-bottom: 5px;
    font-weight: 500;
}

.counter-number {
    font-size: 2em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.loading-dots {
    display: inline-block;
    animation: pulse 1.5s ease-in-out infinite;
    font-size: 0.5em;
    letter-spacing: 3px;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}